Search Results — 2000 specimen records retrieved (1430 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1029452  Abies Mrs. B. M. Berry 1954-10-7 3 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahans); Salmon Mountains 1828 Comment
  UCD70111  Abies X shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Shasta-Trinity National Forest. Mount Shasta. John Everitt Memorial Highway. 2300 Comment
  UC1319592  Abies amabilis James B. Roof, Irja Knight September 1948 Siskiyou n side of divide between head of North Fork of Salmon River and head of Hancock Creek; Salmon Mountains, Hancock Lake 2133 Comment
  HSC69551  Abies concolor Maralyn A. Renner 1980-7-28 2201 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC4983  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  UC139968  Abies magnifica var. magnifica Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 680 Siskiyou Mt. Shasta Comment
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  SBBG132985  Abies magnifica var. shastensis B. C. Templeton 1968-6-13 11332 Siskiyou near Panther Meadows, Mount Shasta, 2835 Comment
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  CAS-BOT-BC330618  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou Between Dunsmuir and Upper Soda spring Comment
  LA202806  Acer circinatum Wm. Bridge Cooke; 1940-7-12 15309 Siskiyou Box Canyon, Near the Sacramento River and near Mount Shasta City 914 Comment
  CAS-BOT-BC331050  Acer glabrum var. glabrum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 s.n. Siskiyou Near Kidd Creek Comment
  UC637141  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed (watershed of West Branch of Indian Creek, Klamath National Forest) 1463 Comment
  HSC61849  Acer glabrum var. torreyi Ruby Van Deventer 1938-8-5 Siskiyou Poker Flat 1585 Comment
  RSA211413  Acer glabrum var. torreyi William J. Ferlatte 1967-7-9 689 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  POM137064  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC336937  Acer negundo var. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek Comment
  CHSC114169  Acer platanoides R. E. Brainerd 2010-8-9 1735 Siskiyou Wed. Highway 97 on north side of railroad crossing. 1048 Comment
  CAS-BOT-BC18873  Achillea millefolium Elmer I. Applegate 1923-8-20 3909 Siskiyou Medicine Lake Comment
  CAS-BOT-BC30435  Achillea millefolium Carl B. Wolf 1927-8-26 1021 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CDA281  Achillea millefolium Gordon Leppig 1998-8-14 1029 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  RSA237218  Achillea millefolium var. occidentalis Frederick W. Oettinger 1967-8-13 266 Siskiyou Common on dry margins of Bear Meadow' midway, as the crow flies, between Tom Taylor Cabin and English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  HSC29268  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Marble Mtn. Wilderness Area, near gap between Tom's Lake Basin and Tobacco Lake Basin 1829 Comment
  CDA28100  Achnatherum lemmonii J. R. Grisham 1965-5-19 s.n. Siskiyou Yreka. At C.H. Haley property in yard, Rte 1 box 131-A. 0 Comment
  RSA582091  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1934-6-11 2682 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  JEPS25601  Achnatherum nelsonii subsp. nelsonii Rimo Bacigalupi 1959-7-2 7234 Siskiyou Big Flat Campground Caribou Mtn., Salmon River, Coffee Creek (headwaters of S Fork Salmon River; just s of Trinity County boundary) 1508 Comment
  UCD51162  Achnatherum occidentale subsp. californicum A. H. Murphy 1959-7-21 59 D Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  UCD51181  Achnatherum occidentale subsp. pubescens Mr. Roseman 1913-1 7 Siskiyou Butte Valley. Comment
  CAS-BOT-BC218015  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Beds National Monument Comment
  CHSC118648  Acmispon denticulatus Richard R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  JEPS74533  Aconitum columbianum W. J. Ferlatte 1966-8-3 291 Siskiyou Trinity Alps, Josephine Lake basin 1676 Comment
  CAS-BOT-BC391522  Aconitum columbianum subsp. columbianum G. J. Muth 1969-8-12 1379 Siskiyou Second Valley Comment
  HSC61887  Aconitum columbianum subsp. columbianum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS123409  Aconitum columbianum subsp. viviparum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -134 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CHSC71599  Aconitum columbianum var. columbianum Vernon H. Oswald; Lowell Ahart 1998-8-3 9437 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC412908  Aconogonon davisiae Ira L. Wiggins 1955-7-27 13540 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC19285  Aconogonon davisiae J. O. Sawyer 1969-7-8 1092 Siskiyou NE slope above Little Duck Lake 2140 Comment
  HSC98375  Aconogonon davisiae J. O. Sawyer 1968-7-22 555 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UCD98559  Aconogonon newberryi R. Tofsrud 1948-8-2 s.n. Siskiyou Near Panther Meadow, Mt. Shasta. Comment
  CAS-BOT-BC418816  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-18 6499 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  UCD98807  Aconogonon phytolaccifolium John M. Tucker 1963-7-7 3714 Siskiyou vicinity of Paradise Lake, on east side and at the base of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC391704  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC29325  Adenocaulon bicolor John Thomas Howell 1937-7-21 13186 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC4990  Adenocaulon bicolor J. O. Sawyer 1968-6-25 345 Siskiyou Along Horse Range Creek 1646 Comment
  HSC98138  Adenocaulon bicolor J. O. Sawyer 1969-7-23 1451 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC30618  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  UC127719  Adenocaulon bicolor Harley P. Chandler Jun 1901 1719 Siskiyou Shackleford Canon; North Coast Ranges, Marble Mountain 1524 Comment
  HSC46088  Adiantum aleuticum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC68430  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1446 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  UC371160  Adiantum aleuticum G. D. Butler 1908-8-8 242 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC540710  Agastache urticifolia Dana York 2012-7-22 3145 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 440 m ESE of Red Butte, springs around Bee Camp 1740 Comment
  CAS-BOT-BC29457  Ageratina occidentalis Doris K. Kildale 1928-7-1 5326 Siskiyou Forks of Salmon RIver Comment
  HSC2211  Ageratina occidentalis L. C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek; Mt. Diablo Mer. 1982 Comment
  RSA183723  Ageratina occidentalis Gilbert Muth 1965-8-4 167 Siskiyou Near the Marble, Marble Valley; Marble Mts. Comment
  UC75800  Agoseris X dasycarpa Milo S. Baker 1897-8-1 154 Siskiyou top Medicine Lake Mts. 2438 Comment
  HSC62468  Agoseris aurantiaca Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  HSC92334  Agoseris aurantiaca Jennifer Whipple 1976-7-24 1554 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  CAS-BOT-BC21326  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1949-7-22 5839 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC21373  Agoseris aurantiaca var. aurantiaca Gilbert Muth 1965-8-12 s.n. Siskiyou Upper meadows of Marble Valley Comment
  CAS-BOT-BC15386  Agoseris grandiflora var. grandiflora A. A. Heller 1916-7-20 12555 Siskiyou Metcalf's Ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC15388  Agoseris grandiflora var. grandiflora Grant 1902-9-11 5160 Siskiyou Sisson Comment
  CAS-BOT-BC15383  Agoseris grandiflora var. grandiflora Alice Eastwood; John Thomas Howell 1937-6-26 5064 Siskiyou Near Fork of Salmon River Comment
  CAS-BOT-BC13471  Agoseris retrorsa L. E. Smith 1913-5-27 287 Siskiyou Weed Comment
  CAS-BOT-BC127486  Agrostis capillaris W. B. Cooke; V. G. Cooke 1963-7-12 34335 Siskiyou Mount Shasta, along Memorial Highway. 1371 Comment
  LA206324  Agrostis humilis J. R. Swallen; 1939-8-8 13815 Siskiyou Mount Shasta, around the water supply spring above Horse Camp Comment
  CAS-BOT-BC139350  Agrostis idahoensis G. J. Muth 1969-8-10 1313 Siskiyou Ridge west of Boulder Peak. 2225 Comment
  UC1265313  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou midway on slope from English Lake to Dry Lake; Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  UC922324  Agrostis pallens Annie M. Alexander and Louise Kellogg 1949-7-20 5818 Siskiyou on hill n Paradise Lake; Marble Mountains 1920 Comment
  SEINET7594123 Image available Agrostis pallens F. W. Oettinger 1969-1 1537 Siskiyou northwest of English Lake, Salmon Mountains 1753 Comment
  RSA238993  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Lake shore at north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1108539  Agrostis scabra Ira L. Wiggins 1955-7-22 13448 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UCD73826  Agrostis stolonifera Mr. Roseman 1913-1 13 Siskiyou Butte Valley. Comment
  UC1265423  Agrostis thurberiana Frederick W. Oettinger 1969-9-4 1645 Siskiyou Tobacco Lake meadows, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC138355  Aira caryophyllea var. caryophyllea Dorothy Parker 1949-5-22 93 Siskiyou On the south side of School House Hill, East Fork of Scott River. 1066 Comment
  CAS-BOT-BC462379  Allium amplectens Geo. D. Butler 1910-5-17 1358 Siskiyou Dampland Yreka Comment
  POM110212  Allium amplectens Geo D. Butler s.n. Siskiyou Yreka. Comment
  HSC33999  Allium bolanderi var. bolanderi J. P. Smith 1974-5-25 7501 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC82287  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-6-15 4810 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC94475  Allium falcifolium R. C. Wenk 2005-7-19 344 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  POM110166  Allium falcifolium Geo D. Butler 1908-8-6 110 Siskiyou Marble Mountain. 2134 Comment
  RSA48580  Allium falcifolium Philip A. Munz 1949-5-18 13304 Siskiyou Divide, south of Callahan on road to Trinity Center. 1524 Comment
  JEPS81882  Allium siskiyouense Roger Raiche 1982-7-7 20562 Siskiyou Alex Hole 1950 Comment
  UCD77315  Allium validum Robert E. Preston 2001-8-26 1758 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1877 Comment
  RSA211509  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  SEINET3562419 Image available Allotropa virgata James Montgomery 1969-7-24 80918 b Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  HSC4964  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 343 Siskiyou Along Horse Range Creek 1646 Comment
  SBBG25321  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  JEPS58664  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou near Reeders; Shasta River 670 Comment
  UC141954  Alnus viridis subsp. sinuata Harley P. Chandler Jun 1901 1618 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UC1045292  Alyssum alyssoides Reed Rollins 1940-6-7 15113 Siskiyou near Black Butte (along the Pacific Highway); Pacific Highway 1219 Comment
  CAS-BOT-BC18599  Alyssum alyssoides William Bridge Cooke 1940-6-7 15113 Siskiyou Along the side of the Pacific Highway between Mount Shasta City and Black Butte. (US99) 1219 Comment
  RSA477428  Alyssum alyssoides L. C. Wheeler 1934-6-7 2653 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  CDA3619  Alyssum desertorum J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  RSA245268  Amaranthus blitoides J. P. Smith, J. Sawyer 1972-9-14 5797 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  HSC43150  Amaranthus powellii Ken Stillman 1976-8-24 426 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC136715  Amelanchier alnifolia var. pumila Gilbert J. Muth 1969-8-10 1342 Siskiyou Ridge west of Boulder Peak 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
  HSC101744  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 2010-5-2 12805 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  HSC44953  Amelanchier pallida J. O. Sawyer 1978-6-15 3210 Siskiyou Marble Mtn. Wilderness Area, ridge NE of Cash Lake on Stanshaw-Sandy Ridge Trail 1793 Comment
  HSC4957  Amelanchier pallida J. O. Sawyer 1968-9-10 691 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  UCD112893  Amelanchier pallida Roy V. Parker 1956-5-15 119 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  UCD169265  Amelanchier pallida T. Bruchman 1978-7-1 297 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CAS-BOT-BC45211  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  OBI55448  Anaphalis margaritacea David J. Keil 1992-7-20 23506 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  JEPS20406  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek Siskiyou Mountains, Greenhorn Creek 944 Comment
  UCD159784  Anemone G. Ledyard Stebbins 1972-7-3 9009 Siskiyou Northwest side of Red Butte, west of Cook and Green Pass. (Exact location unknown. Coordinates estimated by label maker.) 1828 Comment
  SBBG15606  Anemone deltoidea D. Myrick 1961-6-21 306 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  UCSB24735  Anemone deltoidea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC391799  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  UCD19276  Anemone deltoidea Julie Knorr 1980-7-16 69 Siskiyou Trinity Alps Primitive Area,1 mi. up Fish Creek Trail,. 1676 Comment
  UCD95451  Anemone deltoidea Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou Along Canyon Creek, east of Marble Mountain, Marble Mountains. 1584 Comment
  HSC722  Anemone drummondii William J. Ferlatte 1966-6-23 120 Siskiyou Dorleska Summit 2134 Comment
  JEPS40860  Anemone occidentalis Paul C. Hutchison 1962-8-2 943 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta 2895 Comment
  SBBG2108  Anemone occidentalis H. and M. Dearing 1939-7-1 3781 Siskiyou Salmon Mtn summit 1981 Comment
  HSC62128  Anemone occidentalis Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  UC668273  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou in shell-rock cirque on n.e. side of peak Salmon Summit 2103 Comment
  SFV12177  Angelica arguta J. Major, M. D. Fleschner, R. H. Pemble 1966-9-5 Siskiyou Marble Mountains, east of Marble Mountain. On dry limestone ridge. 1716 Comment
  HSC70542  Angelica arguta Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UCD127109  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  JEPS19764  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  UCD127192  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  HSC92259  Antennaria dimorpha Jennifer Whipple 1976-7-7 1330 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  JEPS22309  Antennaria dimorpha Gene Newcomb and Dr. Herbert Baker 1959-3-29 237 Siskiyou 4.5 mi n, along U.S. Hwy 99 Yreka 914 Comment
  CAS-BOT-BC69168  Antennaria dioica John Thomas Howell 1937-7-21 13177 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC485661  Antennaria geyeri Katharine Brandegee Siskiyou Edgewood Comment
  HSC92260  Antennaria microphylla Jennifer Whipple 1976-7-2 1271 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  HSC29210  Antennaria racemosa Frederick W. Oettinger 1968-9-1 654 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; above Abbott's Lake Basin 1982 Comment
  RSA238705  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou Occasional on open, granitic, rocky slope NNW of Upper English lake; western exposed and growing beneathe a sugar pine. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC84769  Antennaria umbrinella Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Around the Water Supply Spring and below Horse Camp 2468 Comment
  CAS-BOT-BC102226  Anthemis cotula Alice Eastwood 1912-7-22 1309 Siskiyou Sisson Comment
  UC164277  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones Comment
  POM43386  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou Fort Jones. Comment
  CHSC71338  Apera interrupta Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  HSC58843  Apocynum androsaemifolium Marvin Butler 1971-7-27 201 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC65308  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-7-15 4371 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  UC618796  Apocynum androsaemifolium unknown 1938-7-22 11327 Siskiyou Mt. Shasta, Sisson Southern Trail Comment
  UC922449  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1949-7-25 5871 Siskiyou s. of Paradise Lake; Marble Mt. 1920 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  HSC6553  Arabis breweri Lincoln Constance, R. C. Rollins 1942-5-13 2910 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  CDA24645  Arabis breweri Don Shaw, F. D. Horn 1978-3-1 Siskiyou Shasta River Canyon, Yreka. 0 Comment
  UCR37538  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou South ridge of Little Grayback Mtn. Comment
  UC1190238  Arabis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UC1408892  Arabis glabra F. W. Oettinger and R. F. Thorne 1969-8-5 1309 Siskiyou Abbott's Upper Cabin, w Siskiyou County Salmon Mountains 1524 Comment
  RSA237238  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou SW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA0129721  Arabis oligantha E. B. Copeland 1903-8-16 3914 Siskiyou Mount Shasta 2439 Comment
  UC1198306  Arabis oregana Mrs. F. A. Graham 1934-4-1 Siskiyou near Somes Bar 213 Comment
  RSA0129719  Arabis platysperma William J. Ferlatte 1967-8-21 1071 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake; Trinity Alps. 2287 Comment
  HSC39203  Arabis subpinnatifida J. P. Smith 1976-5-22 8785 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  POM94631  Arabis suffrutescens Geo. D. Butler 1908-8-3 128 Siskiyou Log Lake, Shackleford Creek Comment
  POM94633  Arabis suffrutescens Geo. D. Butler 1909-4-25 610 Siskiyou Quartz Valley. Comment
  HSC27900  Arbutus menziesii Carl W. Mize 1972-9-23 120 Siskiyou Along Steinacher Creek Rd. above moist draw 610 Comment
  SEINET2471230  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -33 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  CAS-BOT-BC410075  Arceuthobium douglasii William Bridge Cooke 1939-8-25 13920 Siskiyou on the SW slopes of Mount Shasta 1524 Comment
  CDA6782  Arctium minus Bill Huse 1958-9-6 1214 -58 Siskiyou Meiss Ranch, Macdoel. 0 Comment
  UCD50870  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20802 Siskiyou Around the little lake above and to east of Upper Cliff Lake. Comment
  CAS-BOT-BC45434  Arctostaphylos nevadensis Doris K. Kildale 1929-7-20 8710 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  CLARK-A1528-7768  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou Etna Comment
  UC166196  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackleford Creek Comment
  UCD59182  Arctostaphylos nevadensis Steve Edwards; Wayne Roderick 1983-7-10 102 Siskiyou On Cook and Green Pass east of the pass. 1524 Comment
  CAS-BOT-BC45413  Arctostaphylos nevadensis subsp. knightii Lester Rowntree 1934-5-11 s.n. Siskiyou Happy Camp Road, near Oregon State line. Comment
  CAS-BOT-BC46434  Arctostaphylos patula John Thomas Howell 1952-6-14 28332 Siskiyou Just n. of Black Butte. Comment
  CAS-BOT-BC46460  Arctostaphylos patula G. D. Hanna; M. M. Hanna 1956-6-6 1000 Siskiyou Glass Mt. 2316 Comment
  CAS-BOT-BC46471  Arctostaphylos patula Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46496  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  CAS-BOT-BC46498  Arctostaphylos patula Alice Eastwood 1912-7-19 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC46524  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11771 Siskiyou About 6 mi. from Etna on forks of Salmon Road. 1706 Comment
  HSC33989  Arctostaphylos patula J. P. Smith 1974-5-25 7481 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  POM77504  Arctostaphylos patula Geo D. Butler 1908-8-5 102 Siskiyou West Fork of Wooley Creek. 1677 Comment
  UC1034044  Arctostaphylos patula W. Bridge Cooke 1941-8-21 16220 Siskiyou w side Shastina (n side of canyon); Mt. Shasta, Diller Canyon 2438 Comment
  UC1483421  Arctostaphylos patula Maralyn A. Renner 1980-7-23 1929 Siskiyou w side Upper Devil's Peak; Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1767 Comment
  UC571216  Arctostaphylos patula Dorothy Tebbe 1929-7-6 27 Siskiyou near Etna Mills; Salmon Summit Comment
  CAS-BOT-BC46493  Arctostaphylos patula W. B. C. 1938-6-16 11016 Siskiyou Sisson Southern Trail. 1524 Comment
  POM163880  Arenaria congesta var. suffrutescens E. B. Copeland 1903-8-18 3908 Siskiyou Mt. Eddy. 2073 Comment
  CDA34594  Arenaria kingii var. glabrescens M. Beyers, G. F. Hrusa 2010-8-18 706 Siskiyou Highway 3; +/- south of Callahan, just N of where Pacific Crest Trail intersects hwy. 1638 Comment
  HSC46235  Arnica cordifolia Jennifer Whipple 1977-7-22 2044 Siskiyou Mt. Eddy 2256 Comment
  POM53677  Arnica discoidea E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy. 1311 Comment
  HSC58902  Arnica diversifolia Marvin Butler 1971-8-11 289 Siskiyou Near El Capitan, close to the town of Cave Junction 1524 Comment
  CAS-BOT-BC82605  Arnica lanceolata subsp. prima Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC82665  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 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
  CAS-BOT-BC82773  Arnica mollis W. B. Cooke; V. G. Cooke 1946-8-29 17629 Siskiyou along Squaw Creek, Mt. Shasta 2286 Comment
  HSC22149  Arnica mollis J. O. Sawyer 1969-8-4 1809 Siskiyou Above Sugar Lake 2134 Comment
  LA202931  Arnica mollis Wm. Bridge Cooke; 1939-8-24 13901 Siskiyou Mount Shasta, along the W branch of Squaw Valley Creek 2285 Comment
  SBBG7592  Arnica mollis H. and M. Dearing 1948-9-12 6735 Siskiyou Mt Shasta 2316 Comment
  RSA237477  Arnica nevadensis Frederick W. Oettinger 1967-7-20 177 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC85047  Arnica spathulata Volney Rattan 1903-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC85022  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mts., Mt. Diablo Mer. 1981 Comment
  RSA261515  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3750 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  RSA417212  Artemisia campestris subsp. borealis M. B. Dunkle 9356 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  CAS-BOT-BC84888  Artemisia campestris subsp. pacifica Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim, Marble Mountains 2194 Comment
  CAS-BOT-BC90471  Artemisia douglasiana H. E. Brown 1897-7-15 574 Siskiyou South side Mt. Shasta 3048 Comment
  POM261060  Artemisia douglasiana D. D. Keck 1938-8-19 11509 Siskiyou Along overflow stream from Mount Shasta City water reservoir. Comment
  HSC5013  Artemisia tridentata subsp. tridentata W. L. Jepson 1940-6-23 20022 Siskiyou Andesite Sta., N of Mt. Shasta 976 Comment
  JEPS94848  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
  UC1043534  Aruncus dioicus var. pubescens P. C. Everett and E. K. Balls 1954-10-13 20280 Siskiyou road to Kangaroo Mt. (6.5 mi ne of Hwy 96, Seiad Creek); Seiad Creek 701 Comment
  UC922318  Aruncus dioicus var. pubescens Annie M. Alexander and Louise Kellogg 1949-7-24 5866 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC447707  Aruncus dioicus var. vulgaris Alice Eastwood 1921-7-30 s.n. Siskiyou Soda Creek Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  SEINET10637017  Asclepias fascicularis George D. Butler 1910-6-29 Butler 1613 Siskiyou Near Yreka Comment
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  RSA120779  Asclepias speciosa G. D. Barbe 1955-6-28 22 Siskiyou 0.8 mile north of Callahan along an irrigation ditch. 976 Comment
  CAS-BOT-BC69557  Aspidotis densa E. K. Balls 1949-7-8 13902 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1706 Comment
  HSC46339  Aspidotis densa J. P. Smith 1973-5-5 6492 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET3868723  Aspidotis densa James P. Smith 1973-5-5 6492 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road.; 0 Comment
  CAS-BOT-BC69555  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  HSC23618  Aspidotis densa J. O. Sawyer 1969-7-10 1289 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  POM208194  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountains 1433 Comment
  CAS-BOT-BC32789  Aster brickellioides Edwin Bingham Copeland 1903-8-17 s.n. Siskiyou Mt. Eddy 2225 Comment
  POM58124  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  UC249284  Astragalus californicus H. E. Brown Jun 15 1897-Jun 30 1897 465 Siskiyou n side Mt. Shasta; n side Mt. Shasta 1524 Comment
  UC81203  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  CAS-BOT-BC178806  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  HSC42070  Astragalus californicus Sue Sweet 1977-5-21 70 Siskiyou Junction of Miner's Creek Rd. and Rd. 8, 5.5 mi. W of Callahan on Rd. 8. 1037 Comment
  RSA109717  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  SEINET5323336  Astragalus californicus Unknown 1909-5-8 593 Siskiyou Humbug Road and McNutty's Field Comment
  CAS-BOT-BC177860  Astragalus curvicarpus var. curvicarpus J. K. Nelson; Rhonda Posey; Mary Ellen Colberg; Twyla Miller 2006-5-19 2006 -015 Siskiyou North side of Mt. Shasta, south of Hwy. 97; Hotlum Fire area burned in February 2006 1090 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
  CHSC91348  Astragalus gambelianus Lowell Ahart; John Dittes 2005-6-9 12013 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
  CAS-BOT-BC186920  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA415582  Astragalus lentiginosus var. platyphyllidius M. O'Mera 1974-5-27 485 Siskiyou Along road 47N03 1280 Comment
  CAS-BOT-BC192915  Astragalus purshii var. lectulus J. P. Moore 629 Siskiyou Shasta Valley Comment
  HSC46184  Astragalus purshii var. tinctus Jennifer Whipple 1977-4-30 1879 Siskiyou Scott Valley near Weston Gulch on open hillside 854 Comment
  UC796574  Astragalus purshii var. tinctus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11710 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), East fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  RSA215617  Astragalus whitneyi var. siskiyouensis Gilbert Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge. 2470 Comment
  HSC41795  Asyneuma prenanthoides Brent Whiteley 1975-6-22 37 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  CAS-BOT-BC68705  Athyrium filix-femina var. californicum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at marble Valley Comment
  HSC35798  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-7-2 356 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC58846  Athyrium filix-femina var. cyclosorum Marvin Butler 1971-7-29 229 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Juntion 1403 Comment
  RSA482804  Athysanus pusillus L. C. Wheeler 1934-6-9 2675 Siskiyou Hungry Creek, Siskiyou Mts. Mt. Diablo Meridian. 1098 Comment
  SEINET516324  Atriplex heterosperma Vernon H. Oswald 1998-9-16 9649 Siskiyou Tour Route at Lower Klamath NWR 3 mi S of Hwy. 161. 1244 Comment
  UCD169487  Atriplex hortensis Louis C. Wheeler 1934-10-21 3329 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  JEPS93960  Atriplex prostrata Vernon H. Oswald and Lowell Ahart 1998-9-16 9650 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  JEPS90600  Atriplex truncata Dean W. Taylor 1987-8-9 9294 Siskiyou along Hwy 161 (Oregon border) 8.3 mi w from Highway 139; Lower Klamath National Wildlife Refuge 1249 Comment
  CAS-BOT-BC16686  Barbarea orthoceras John Thomas Howell 1937-7-22 13263 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  HSC78189  Barbarea orthoceras L. P. Janeway 1983-7-10 396 Siskiyou Poker Flat 1524 Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  CAS-BOT-BC75717  Berberis nervosa J. H. Thomas 1954-5-13 4133 Siskiyou Salmon Mountains. Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CHSC10132  Berberis nervosa Geo. D. Butler 1908-8-22 Siskiyou Eldredge's [looks like 'Eeldredgis' on label] Corral Russian Creek. Comment
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  JEPS82698  Berberis nervosa Wayne Roderick 1984-6-7 Siskiyou sw Streart Springs (Cabin Meadow) 1935 Comment
  SEINET3151153  Berberis nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou illegible Comment
  UC9755  Berberis nervosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC76006  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CAS-BOT-BC76008  Berberis pumila Doris K. Kildale 1929-7-20 8534 Siskiyou Trail to Elk Lick, south Fork of Indian Creek. Comment
  CAS-BOT-BC76003  Berberis pumila G. P. Rixford s.n. Siskiyou South side Shaft rock Mountain. Hilt. Comment
  CHSC110645  Betula occidentalis Julie Kierstead Nelson; Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side of Scott Mountain. Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  UCSB15840  Bistorta bistortoides Breedlove, Dennis 1962-6-11 Siskiyou along State Highway 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  CAS-BOT-BC127933  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CAS-BOT-BC127974  Blepharipappus scaber R. C. Barneby 1954-5-16 11526 Siskiyou 7 mi. n.e. of Fort Jones 1005 Comment
  OBI55409  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  RSA49959  Blepharipappus scaber E. K. Balls 1949-7-8 13896 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CHSC30061  Boechera breweri Harritta Gaussoin 1980-3-26 6 Siskiyou Ca. .25 miles NE of rest stop of jct. of Interstate % N and Highway 96 E. 91 Comment
  SEINET3166348  Boechera breweri subsp. shastaensis P. J. Alexander, C. D. Bailey 2009-4-2 980 -B Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  CAS-BOT-BC13808  Boechera howellii Reed Rollins 1938-7-28 11373 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  CAS-BOT-BC13810  Boechera howellii Marion Ownbey; Fred G. Meyer 1940-7-4 2188 Siskiyou East side of Mount Shasta. On ridge above head of Brewer Creek. Comment
  CAS-BOT-BC14271  Boechera pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5308 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  CAS-BOT-BC14411  Boechera platysperma R. E. Frenkel 1964-10-2 921 Siskiyou In Panther Meadow Campground near Mount Shasta. 2377 Comment
  CAS-BOT-BC14536  Boechera puberula A. A. Heller 1920-7-9 13434 Siskiyou Long bare easterly slope of Mount Eddy. 2438 Comment
  UC932078  Boechera sparsiflora Verne Grant and Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  SEINET5340463  Boechera stricta G. Butler 1900-7-8 1664 Siskiyou 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
  UC1159804  Bolboschoenus maritimus Edward J. O'Neill Sep 1965 Siskiyou Tulelake Fish and Game Preserve Comment
  CAS-BOT-BC438785  Boykinia major Dana York 2012-7-20 3120 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  HSC67713  Boykinia major John Palmer 1980-7-24 613 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC100469  Brickellia californica Louis C. Wheeler 1934-9-15 3264 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  CAS-BOT-BC127857  Brickellia grandiflora Alice Eastwood 1912-7-26 1459 Siskiyou Pitt to Kennet. Sisson. Comment
  JEPS7663  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-6-13 891 Siskiyou Oro Fino Comment
  JEPS72945  Bromus carinatus var. carinatus W. L. Jepson 1940-6-23 20017 Siskiyou 1 mi s of Andesite Station (n of Mount Shasta) 975 Comment
  UCD59161  Bromus carinatus var. marginatus T. C. Fuller 1958-6-19 1801 Siskiyou Tom Williams property. 4 miles northeast of Montague. Comment
  UCD59192  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-25 843 Siskiyou Near Yreka. Comment
  CAS-BOT-BC155961  Bromus commutatus Louis C. Wheeler 1934-6-22 2748 Siskiyou Klamath National Forest. Cottonwood Creek. 914 Comment
  CAS-BOT-BC155981  Bromus diandrus Dorothy Parker 1949-6-16 91 Siskiyou Along the road at the edge of a field entrance to McConahue Gulch. Scott Valley. 853 Comment
  HSC65264  Bromus diandrus J. P. Smith 1973-5-5 6397 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  POM216038  Bromus diandrus L. C. Wheeler 1935-5-7 3469 Siskiyou Klamath River at Ash Creek 610 Comment
  UCD59474  Bromus diandrus August L. Hormay 1932-4-20 s.n. Siskiyou Brownell. Comment
  POM363435  Bromus marginatus M. B. Dunkle 1945-1 9287 Siskiyou King's Castle; Klamath National Forest. Marble Mountains Comment
  RSA184783  Bromus marginatus Gilbert Muth 1966-7-22 434 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  HSC778  Bromus orcuttianus William J. Ferlatte 1967-8-17 953 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC161705  Bromus rubens L. R. Short 1933-5-31 80 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  UC1265363  Bromus suksdorfii F. W. Oettinger 1969-9-2 1588 Siskiyou above Bear Meadow (near Tom Taylor Cabin, Salmon Mountains); Salmon Mountains 2026 Comment
  HSC101709  Bromus tectorum J. P. Smith, J. O. Sawyer 2011-6-25 13257 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  NY664732  Bromus tectorum var. glabratus A. Eastwood 1912-7-17 1126 Siskiyou McCloud Comment
  HSC67716  Calamagrostis canadensis var. langsdorffii John S. Palmer 1980-7-24 616 Siskiyou Elk Hole 1503 Comment
  HSC22197  Calamagrostis koelerioides J. O. Sawyer 1968-7-9 419 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC85740  Calocedrus decurrens L. B. Kildale 1930-6-1 9838 Siskiyou Mill Creek near Etna Mills Comment
  UC618884  Calocedrus decurrens unknown 1938-9-2 11592 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  UC1076028  Calochortus coeruleus Herbert L. Mason 1947-5-17 14765 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  UC422991  Calochortus coeruleus Milo S. Baker 1896-6-10 97 Siskiyou Sisson Comment
  UC54189  Calochortus coeruleus H. M. Hall and E. B. Babcock Jun 1903 4033 Siskiyou Dunsmuir Upper Sacramento Valley 609 Comment
  SEINET8201963  Calochortus elegans Unknown 1938-7-19 1748 Siskiyou 2.5 miles northeast of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  UC54188  Calochortus nudus H. M. Hall and E. B. Babcock Jun 1903 4067 Siskiyou n of Sisson (to near Upton); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CAS-BOT-BC493094  Calochortus nudus Alice Eastwood 1921-7-24 10791 Siskiyou Castle Lake Comment
  CAS-BOT-BC181505  Caltha leptosepala D. M. Traugh 1933-8-7 17 Siskiyou Marble Valley Comment
  CAS-BOT-BC181519  Caltha leptosepala Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC4944  Caltha leptosepala J. O. Sawyer 1968-7-22 256 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC49832  Caltha leptosepala Maralyn O'Meara 1973-6-5 194 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  HSC77039  Caltha leptosepala K. T. Stillman 1976-6-18 22 Siskiyou Marble Mountain Wilderness Area, Skyhigh Lakes 1707 Comment
  CAS-BOT-BC181500  Caltha leptosepala Milo S. Baker 1926-8-21 293 b-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  HSC31620  Calypso bulbosa Gleen McGourty 1974-5-25 53 Siskiyou Near junction of Road 8 and French Creek Rd. 1280 Comment
  HSC58959  Calyptridium monospermum Gilbert Muth 1976-7-26 Siskiyou Near Poker Flat, close to the town of Happy Camp 1561 Comment
  SD53343  Calyptridium umbellatum Darley F. Howe 1962-8-6 3410 Siskiyou Mt. Shasta 2440 Comment
  UC135678  Calyptridium umbellatum Dr. E. B. Copeland 1903-7-17 3507 Siskiyou Mount Shasta; Pacific Coast, Mount Shasta 2316 Comment
  UC618664  Calyptridium umbellatum W. Bridge Cooke 1938-8-21 11538 Siskiyou Mount Shasta, Horse Camp Flats Horse Camp Flats; Mount Shasta, Horse Camp Flats 2438 Comment
  JEPS31594  Calystegia malacophylla subsp. malacophylla Willis L. Jepson Jul 24 1894-Aug 10 1894 14525 Siskiyou Sisson , Sisson (region of the Upper Sacramento) Comment
  POM208190  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1934-6-28 2817 Siskiyou Little Soda Creek, Sterling Mt. 1067 Comment
  RSA699533  Camassia quamash subsp. breviflora Jenny Marr 1993-07 137 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  CDA3579  Camelina microcarpa T. C. Fuller 1958-6-18 1807 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CHSC78257  Camissonia contorta Vernon H. Oswald 2000-6-5 9926 Siskiyou Butte Valley National Grassland between Macdoel and Dorris, on the north side of Meiss Lake-Sams Neck Road 0.6 mi west of Hwy. 97. 1295 Comment
  POM89723  Campanula prenanthoides H. E. Brown 1897-7-15 527 Siskiyou South side Mt. Shasta. 1524 Comment
  SEINET10972065  Campanula prenanthoides Muth 1975-8-1 MUTH s.n. Siskiyou NR SUTCLIFFE CR., PRESTON PK QUAD, NR HAPPY CAMP 4400', COBBLY SOIL Comment
  SEINET191600 Image available Campanula prenanthoides Marion Ownbey, Fred G Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts NW of Hornbrook. Comment
  UC29009  Campanula prenanthoides Edward L. Greene 1876-7-21 958 Siskiyou near Yreka Comment
  SEINET10463007  Campanula prenanthoides Young 1921-9-15 YOUNG ? Siskiyou ETNA MILLS Comment
  SEINET10463031  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou RIDGE W OF CHINE CR, S SIDE OF S FORK SALMON RIVER IN PARTIAL SHADE, 3150 Comment
  CAS-BOT-BC266451  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10463383  Campanula scabrella William R. Dudley 1899-8-26 Dudley s.n. Siskiyou Slopes and top of Mount Eddy Comment
  SEINET10939036  Campanula scabrella Edwin B. Copel 1903-8-18 Copeland 3844 Siskiyou MT. EDDY 2743 Comment
  HSC101873  Campanula shetleri R. D. Whittlesey 2013-6-5 8 Siskiyou Near Castella: 4.6 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  SEINET10463871  Campanula wilkinsiana Renner 1980-8-21 RENNER 2538 Siskiyou Coffee Creek Quadrangle; south corner boundry, Kidd Creek, streamside. T37N R9W Sec. 32-33 2042 Comment
  SEINET10463879  Campanula wilkinsiana Prouty 1979-8-14 PROUTY 79 .40 Siskiyou CREEKSIDE, COLD CREEK, E SLOPE OF MT. SHASTA T41N R2W SEC. 20 NE 1/4 1890 Comment
  SEINET10644476  Carex A. Arthur Heller 1920-6-20 Heller 13390 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Shrubs are willow, Corylus, & Ceanothus. 1158 Comment
  SEINET6332594 Image available Carex abrupta Unknown 2008-1 9475 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Condrey Mtn. 7.5' quad. Comment
  NY25680  Carex amplifolia A. A. Heller 1905-6-5 7974 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  UC822760  Carex aquatilis Frank W. Gould 1940-5-14 1229 Siskiyou Bull Meadows Goosenet Mountains, Bull Meadows 1524 Comment
  POM82013  Carex aquatilis Geo D. Butler 1910-5-21 1377 Siskiyou Locality unsure? Klamath River Comment
  UCD140145  Carex athrostachya William E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  JEPS63748  Carex bolanderi B. C. Goldsmith 1916-7-23 8 Siskiyou 6 mi from McCloud; McCloud River Comment
  CAS-BOT-BC19660  Carex brainerdii John Thomas Howell 1937-7-24 13427 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC34884  Carex deflexa var. boottii John Thomas Howell 1937-7-24 13430 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC88398  Carex dudleyi Jenny Marr 1993-7-1 157 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC20044  Carex echinata H. E. Brown 1897-6-16 416 Siskiyou North side of Mount Shasta. Comment
  HSC101885  Carex echinata subsp. echinata Dana York 2011-9-9 3095 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC39845  Carex echinata subsp. echinata J. O. Sawyer 1969-7-25 1563 Siskiyou Above High Lake 2104 Comment
  RSA237321  Carex echinata subsp. echinata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1270 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC91192  Carex geyeri Jennifer Whipple 1976-6-18 1037 Siskiyou Slopes near Little Crater Lake 2195 Comment
  UC833774  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou at Medicine Lake Medicine Lake 2133 Comment
  SEINET13371885  Carex inops subsp. inops D. W. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta, southeastern flank of the base of the mountain, Squaw Valley Creek watershed 1664 Comment
  UC618786  Carex inops subsp. inops J. W. Stacey 1938-7-22 11331 Siskiyou Mount Shasta: Sisson Southern Trail. Comment
  CAS-BOT-BC7660  Carex integra W. J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine. 1981 Comment
  HSC85799  Carex integra L. P. Janeway 1983-7-24 445 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  SEINET4292186 Image available Carex integra Unknown 2006-1 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Moutain Summit. Scott Mountain 7.5' quad. Comment
  JEPS100906  Carex interior Dean W. Taylor 1988-7-8 9936 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  CAS-BOT-BC35477  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou meadow of Toad Well, road to Medicine Lake, ca. 12 mi. N of Bartle 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
  CHSC113777  Carex klamathensis Barbara L. Wilson; Richard E. Brainerd 2010-8-10 16313 Siskiyou Klamath National Forest, along road 41N03, about 1.5 miles from road 2H001. 1591 Comment
  SEINET7563577 Image available Carex laeviculmis Ray Tallent 1987-8-12 899 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  SEINET7563561 Image available Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Just N of Tobacco Lake. High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  HSC33317  Carex lanuginosa William J. Ferlatte 1974-7-14 1531 Siskiyou Big Flat, near S fork of Salmon River, 100 yds W of campground 1524 Comment
  UCD140530  Carex luzulina A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  JEPS109246  Carex luzulina var. ablata D. W. Taylor 2005-8-18 19481 b Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  JEPS25658  Carex mertensii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7301 Siskiyou 4 air-line mi n-ne of Preston Peak (just e of Del Norte County line, in Twin Valley, Siskiyou Mountains, watershed of Indian Creek); Siskiyou Mountains, Twin Valley 1493 Comment
  HSC76805  Carex microptera L. P. Janeway 1982-8-15 140 Siskiyou Above Echo Lake 1799 Comment
  RSA60627  Carex multicaulis I. L. Wiggins 1950-5-28 12363 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UC195518  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  SEINET10883334  Carex multicaulis David Castaner 1989-6-19 Castaner 10243 Siskiyou Trinity Creek campground. Along highway 3 by Trinity River. North Trinity Center. Comment
  CAS-BOT-BC23425  Carex multicostata John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC32280  Carex multicostata R. Tallent 1961-7-14 644 -A Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  SEINET7568490 Image available Carex multicostata Ray Tallent 1987-8-13 915 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  HSC92751  Carex multicostata Jennifer Whipple 1976-7-2 1273 Siskiyou Ridge W of Dobkins Lake 2317 Comment
  UC1265347  Carex nigricans Frederick W. Oettinger and R. F. Thorne 1969-8-6 1261 Siskiyou w Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CHSC40157  Carex nudata L. P. Janeway 1983-6-25 337 Siskiyou Along west side Klamath Rover at Swillup Creek. 243 Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CAS-BOT-BC119480  Carex nudata Alice Eastwood 1923-5-27 11947 Siskiyou Shasta Springs. Comment
  POM224492  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. Comment
  UCR37816  Carex pachystachya K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  JEPS25564  Carex phaeocephala Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7189 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  POM80147  Carex phaeocephala E. B. Copeland 1903-7-16 3568 Siskiyou Mt. Shasta. 3171 Comment
  UC144465  Carex praegracilis A. A. Heller 1905-6-20 8072 Siskiyou Gazelle Comment
  CAS-BOT-BC118779  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  HSC69185  Carex rostrata Maralyn A. Renner 1980-8-31 2633 Siskiyou Twin Valley. 1494 Comment
  HSC39280  Carex scopulorum J. O. Sawyer 1969-7-25 1562 Siskiyou Above High Lake 2104 Comment
  HSC39290  Carex spectabilis J. O. Sawyer 1969-8-4 1802 Siskiyou Above Sugar Lake 2134 Comment
  HSC69359  Carex spectabilis Maralyn A. Renner 1980-8-19 2486 Siskiyou S side of Caribou Lake 2104 Comment
  UC1265454  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 a Siskiyou above Tom Taylor Cabin (Bear Meadow); Salmon Mountains, Marble Mountain Wilderness 2164 Comment
  UC922497  Carex spectabilis Annie M. Alexander and Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley Marble Mountains 1767 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
  SEINET7575752 Image available Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, Bear Meadow above Tom Taylor Cabin. 2164 Comment
  UC1265479  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou se Arrow Peak (n of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CHSC98757  Carex straminiformis L. P. Janeway; B. Castro 2007-7-29 9140 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
  UC70467  Carex straminiformis Geo. B. Grant September, 1902 5129 Siskiyou Horse Camp Mount Shasta 2438 Comment
  SEINET7576422 Image available Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC115858  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CHSC106465  Carex subfusca Peter F. Zika 2009-8-16 24599 Siskiyou Cascade Range Highlands (CaRH). Damp meadows near north end of Juanita Lake, Forest Service Road 46N04. 1550 Comment
  SEINET7577150 Image available Carex subfusca Ray Tallent 1987-8-13 912 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  UC922500  Carex subfusca Annie M. Alexander and Louise Kellogg 1949-7-28 5887 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  CAS-BOT-BC115851  Carex subfusca William Bridge Cooke 1940-7-5 15272 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  HSC19562  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1968-7-23 570 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC22112  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-9 1274 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  HSC29628  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  HSC20506  Castilleja applegatei D. M. Thomson 1965-8-7 173 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  CAS-BOT-BC241138  Castilleja applegatei subsp. pinetorum John Thomas Howell 1939-8-4 15037 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC20503  Castilleja applegatei subsp. pinetorum R. C. Wunner 1965-6-7 109 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  JEPS5212  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-4-17 630 Siskiyou near Yreka Comment
  JEPS84007  Castilleja applegatei subsp. pinetorum L. R. Heckard with J. Hickman et al. 1986-7-17 6506 Siskiyou e of Condrey Mt. (slopes of Alex Hole); slopes of Alex Hole 1890 Comment
  JEPS9786  Castilleja applegatei subsp. pinetorum W. L. Jepson Jul 24 1894-Aug 10 1894 21482 Siskiyou Sisson Comment
  UC725615  Castilleja arachnoidea A. A. Heller 1940-7-25 15770 Siskiyou about Horse Camp; Mt. Shasta 2438 Comment
  JEPS13484  Castilleja arachnoidea Douglas Barbe 1955-7-26 285 Siskiyou n slope below the summit Scott Mountain; Klamath Mountains, Scott Mountain 1981 Comment
  UCD122129  Castilleja arachnoidea A. H. Murphy 1958-8-6 58 -F Siskiyou Big Meadows, Marble Mts. 2346 Comment
  CDA18397  Castilleja lacera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2784 Siskiyou Klamath Ranges; Yreka, behind (west of ) Motel 6, southside of town, north of Greenhorn Creek Road. 2194 Comment
  CAS-BOT-BC254102  Castilleja miniata L. E. Detling 1950-6-9 6603 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  HSC690  Castilleja miniata William J. Ferlatte 1967-8-23 1112 Siskiyou Head of Kidd Creek 2134 Comment
  HSC69093  Castilleja miniata Maralyn A. Renner 1980-8-4 2224 Siskiyou Flint Valley 1390 Comment
  HSC77011  Castilleja miniata K. T. Stillman 1976-7-7 163 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS74695  Castilleja miniata T. C. Fuller 1974-9-24 20044 Siskiyou sw slope White Mtn. (headwaters of Horse Creek); Siskiyou Mts, , Horse Creek Comment
  UC1187078  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi sw Grass Lake 1524 Comment
  RSA184819  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -B Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  RSA428398  Castilleja pruinosa M. B. Dunkle 1945-7-19 9226 Siskiyou Sky-High. Klamath Nat'l Forest. Marble Mts. Comment
  RSA700165  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2674 Siskiyou Siskiyou mountains, O'Brien-Happy Camp road, 15 miles north of Happy Camp (Indian Creek drainage). 960 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
  CAS-BOT-BC49192  Ceanothus cuneatus Doris K. Kildale 1929-7-20 8545 Siskiyou Trail to Preston Peak along South Fork Indian Creek 2133 Comment
  RSA256607  Ceanothus cuneatus J. P. Smith 1974-5-25 7398 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  CAS-BOT-BC63603  Ceanothus integerrimus Clarence R. Quick 1958-6-17 58 -27 Siskiyou Near Black Bear Summit s. of Sawyer's Bar on ridge road to cecilville. 1356 Comment
  CAS-BOT-BC63606  Ceanothus integerrimus Doris K. Kildale 1928-7-2 5353 Siskiyou Salmon Summit via How Creek Trail. 1981 Comment
  HSC42900  Ceanothus integerrimus J. O. Sawyer, Ken Stillman 1976-5-29 2733 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  RSA399890  Ceanothus integerrimus E. E. Stanford 1930-6-15 1588 Siskiyou 1 mile north of Dunsmuir. Comment
  SBBG16397  Ceanothus integerrimus D. Myrick 1961-6-21 299 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  CAS-BOT-BC52114  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou Weed Comment
  HSC100191  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13411 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  JEPS42173  Ceanothus prostratus W. L. Jepson 1940-6-23 20015 Siskiyou 2 mi s Andesite 975 Comment
  UC54493  Ceanothus prostratus H. M. Hall and E. B. Babcock June, 1903 4032 Siskiyou around Dunsmuir; Sierra Nevada Mountains, around Dunsmuir 609 Comment
  UC909375  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou ca 1.5 mi e Scott Mountain Road; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  LA105199  Ceanothus velutinus Steve Morgan; 1987-7-28 sn Siskiyou Shasta-Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud, , S of Mt. Shasta 1767 Comment
  CAS-BOT-BC52804  Ceanothus velutinus var. velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC281967  Centaurea benedicta Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 850 Comment
  CDA15579  Centaurea nigra G. F. Hrusa 1998-7-5 14686 Siskiyou Siskiyou Mountains; Immed. S of Indian Creek Bridge at base of pass between Happy Camp CA. & O'Brien OR. Comment
  HSC68079  Centaurea solstitialis J. P. Smith, Steve Selva 1970-6-17 4091 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  RSA285948  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka Comment
  UC165259  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou near Yreka Comment
  UC1190153  Cephalanthera austiniae Ira L. Wiggins 1955-7-29 13586 Siskiyou slope just e. Thompson Creek 1432 Comment
  HSC26147  Cerastium beeringianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5688 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC135446  Cercocarpus betuloides var. betuloides Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  UC165260  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  UC718144  Cercocarpus betuloides var. betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 mi from Oak Knoll Ranger Station (on Klamath River, on road to Dry Lake Lookout); Siskiyou Mountains, Klamath River 1066 Comment
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Mar 29 2012
  UCD113090  Cercocarpus ledifolius Joseph M. DiTomaso 1976-9-9 690 Siskiyou Trinity Alps. 2 miles N of Upper Caribou Lake. 2164 Comment
  CAS-BOT-BC276772  Chaenactis douglasii var. douglasii L. E. Smith 1914-5-21 704 Siskiyou Montague Comment
  OBI55466  Chaenactis douglasii var. douglasii David J. Keil, Kathleen Keil 1992-7-21 23538 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  UC128643  Chaenactis suffrutescens Harley P. Chandler 1731 Siskiyou Etna Mills North Coast Ranges 914 Comment
  CAS-BOT-BC141580  Chamaebatiaria millefolium Elmer I. Applegate 1935-6-5 9303 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  RSA11887  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
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Feb 10 2013
  UC1539999  Chamaebatiaria millefolium M. Mitchell 1936-5-21 24 Siskiyou Lava Beds National Monument, Frozen River Cave Frozen River Cave; Lava Beds National Monument, Frozen River Cave 1348 Comment
  CAS-BOT-BC85661  Chamaecyparis lawsoniana W. R. Dudley 1905-7-7 s.n. Siskiyou Shasta Springs Comment
  UCD126574  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  RSA432491B  Chamaesyce serpillifolia W. Bridge Cooke 1939-7-7 13578 Siskiyou Wagon Camp Road at Howard. Also seen commonly along the old MacBride Spring Road. Comment
  CAS-BOT-BC160569  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  CAS-BOT-BC165981  Chamerion angustifolium L. R. Short 1933-8-7 114 Siskiyou Klamath National Forest. Marble Mts. 1798 Comment
  UC61178  Chamerion angustifolium subsp. circumvagum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  HSC65357  Cheilanthes gracillima R. White 1978-7-3 208 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  UCD21470  Cheilanthes gracillima Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1210 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  SEINET5764003 Image available Chenopodium berlandieri A. A. Heller 1915-1 12212 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1189 Comment
  JEPS75210  Chenopodium botrys W. B. and V. G. Cooke 1975-9-3 50487 Siskiyou Ash Creek Area Mt. Shasta (at Military Pass Rd.) Comment
  CLARK-A1528-7840  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  CAS-BOT-BC451437  Chimaphila menziesii Louis C. Wheeler 1934-8-24 3221 Siskiyou Siskiyou Mts., Trapper Creek 1615 Comment
  HSC61509  Chimaphila menziesii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC19324  Chimaphila umbellata J. O. Sawyer 1968-6-18 172 Siskiyou Above S Russian Creek on W side. 1463 Comment
  SD53384  Chimaphila umbellata Darley F. Howe 1962-8-4 3386 Siskiyou Baldy Mt., damp hillside Comment
  CAS-BOT-BC452271  Chimaphila umbellata G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC452278  Chimaphila umbellata Doris K. Kildale 1929-7-20 8629 Siskiyou Trail up South Fork Indian Creek to Elk Lick elev. Comment
  HSC30460  Chimaphila umbellata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou W end of English Lake 1753 Comment
  SEINET12047170  Chlorogalum pomeridianum F. H. Utech 1978-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  UC849194  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird (Mount Shasta); , Pitt to Baird Comment
  CAS-BOT-BC36379  Chrysolepis chrysophylla Doris K. Kildale 1928-8-20 6626 Siskiyou at lead of north Fork Salmon River, Finleys upper Camp Comment
  HSC4935  Chrysolepis sempervirens J. O. Sawyer 1968-6-18 230 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  UC847773  Chrysolepis sempervirens Lewis S. Rose 1937-7-25 37594 Siskiyou Mt. Shasta City 1158 Comment
  CAS-BOT-BC36240  Chrysolepis sempervirens W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Tavern Comment
  RSA30402  Chrysothamnus nauseosus subsp. consimilis A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles south of Grenada 915 Comment
  SEINET3134428  Chrysothamnus viscidiflorus subsp. viscidiflorus L. S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  UC1048584  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  UC1598730  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Sisson Comment
  UCD127362  Cicuta douglasii P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  HSC19053  Cinna latifolia J. O. Sawyer 1969-8-4 1861 Siskiyou Slope SW of Sugar Lake 2195 Comment
  UCD59780  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC64524  Circaea alpina subsp. pacifica J. P. Smith, Steve Selva 1970-6-15 3900 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA264971  Circaea alpina subsp. pacifica G. L. Clifton 1975-7-28 7199 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  RSA0070591  Cirsium ciliolatum D. H. Shaw, T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  CAS-BOT-BC278033  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km. east of Bryant-Willow Creek Road, 15 km. north of Montague Comment
  CHSC91197  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12056 Siskiyou Meadow area, on the west side of a poor dirt road, about 1.6 miles (air) south of Highway 99/97 Cutoff, about 5 3/4 miles (air) east-southeast of Grenada. 799 Comment
  CAS-BOT-BC278054  Cirsium cymosum Alice Eastwood; John Thomas Howell 1936-6-13 2758 Siskiyou 8 miles n. of Weed Comment
  CDA1180  Cirsium cymosum Don Shaw 1974-8-2 s.n. Siskiyou Dorris-Brownell Rd., SE of Dorris. 0 Comment
  UCD130565  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 s.n. Siskiyou north side York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  CAS-BOT-BC279878  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  UC454287  Cirsium douglasii var. breweri I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC32806  Cirsium drummondii subsp. lanatum Alice Eastwood 1912-8-30 2054 a Siskiyou Mount Eddy Comment
  CAS-BOT-BC285551  Cirsium occidentale var. candidissimum Alice Eastwood 1917-9-2 6668 Siskiyou Shasta Springs Comment
  CAS-BOT-BC288008  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  HSC26756  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer 1971-9-18 4809 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC288773  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC286465  Cirsium scariosum Alice Eastwood; John Thomas Howell 1936-6-13 2759 Siskiyou 5 miles n. of Gazelle Comment
  SBBG4974  Clarkia lassenensis H. and M. Dearing 1939-6-3 3633 Siskiyou near Scott Bar Comment
  UC61179  Clarkia rhomboidea W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CDA23948  Claytonia exigua subsp. exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2616 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC163720  Claytonia exigua subsp. exigua Geo. D. Butler 1909-3-28 678 Siskiyou near Yreka Comment
  HSC39748  Claytonia exigua subsp. exigua J. O. Sawyer 1970-4-4 2087 Siskiyou Along Sugar Creek 823 Comment
  HSC61812  Claytonia lanceolata Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  RSA48006  Claytonia parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11886 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  SEINET7042820  Claytonia perfoliata A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. 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
  CDA23963  Claytonia rubra subsp. depressa T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC4459  Claytonia rubra subsp. rubra William J. Ferlatte 1967-6-5 495 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC443833  Claytonia rubra subsp. rubra G. C. Kimber 1934-6-9 35 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 Comment
  HSC22230  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 958 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  CAS-BOT-BC443863  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  UCR26232  Claytonia sibirica John C. Roos 1948-9-1 3982 Siskiyou high ridge SW of Etna Comment
  HSC26751  Clematis ligusticifolia J. P. Smith, J. O. Sawyer 1971-9-18 4826 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC144225  Cleome platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  HSC60116  Clinopodium douglasii M. A. Baker 1977-5-14 275 Siskiyou Karok garden in Happy Camp Comment
  HSC61808  Collinsia parviflora Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC68497  Collinsia parviflora Maralyn A. Renner 1980-6-22 887 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 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
  HSC19051  Collinsia parviflora J. O. Sawyer 1969-7-1 964 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  HSC69373  Collinsia parviflora J. O. Sawyer, J. Cole 1980-7-19 3677 Siskiyou Near FS Rd. 45N0 2018 Comment
  HSC90174  Collinsia parviflora Andrew Enberg, Brad Penkala and Dan Scofield 1990-4-4 33 Siskiyou E side of Hwy. 3, about 8 mi. N of Scott River Ranger Station 1159 Comment
  UC1229805  Collinsia parviflora Francia Chisaki, Gene Newcomb 1958-6-22 1157 a Siskiyou 9.6 mi w of Fort Jones (on road to Gazelle and 9.4 mi s from this road to Duzel Rock, between Fort Jones and Gazelle); Duzel Rock 1645 Comment
  HSC91182  Collinsia rattanii Jennifer Whipple 1976-6-30 1189 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  RSA412244  Collinsia torreyi Christopher Davidson 1975-6-5 2671 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  UCSB13154  Collomia grandiflora Breedlove, Dennis 1962-6-10 Siskiyou Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  HSC30447  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between lily pond and Tobacco Lake 1890 Comment
  JEPS71017  Collomia grandiflora Ruby Van Deventer 1938-7-31 192 Siskiyou on Del Norte-Siskiyou boundary Summit Siskiyou Mts. 1158 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
  RSA409235  Collomia heterophylla L. C. Wheeler 1934-8-5 3046 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  UCSB3064  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Cudahy Lakes; Marble Mountains 1219 Comment
  HSC19056  Collomia tinctoria J. O. Sawyer 1969-7-16 1148 Siskiyou W of Waterdog Lake 2073 Comment
  JEPS71071  Collomia tinctoria S. Brown July 1900 Siskiyou Sisson Comment
  SBBG30599  Collomia tinctoria D. Myrick 1968-6-25 2023 a Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC41071  Collomia tinctoria J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC119  Collomia tracyi William J. Ferlatte 1967-8-23 1103 Siskiyou Kidd Creek Trail, densely wooded canyon 1677 Comment
  RSA240080  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 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
  UCR94143  Conium maculatum N. F. McBain, N. A. Alexander, J. A. Alexander 1995-6-30 411 Siskiyou Shasta Valley, near Grenada, on Montague-Grenada Rd. 2 mi. north of US Hwy 97 cutoff. 762 Comment
  JEPS41828  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek 1158 Comment
  UC455186  Corallorhiza maculata I. J. Condit 1911-7-22 Siskiyou Mt. Shasta; trail to Horse Camp Comment
  HSC19038  Corallorhiza mertensiana J. O. Sawyer 1969-8-4 1848 Siskiyou Slopes S of S Sugar Lake 2134 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
  RSA0006005  Cordylanthus pallescens Francis W. Pennell 1940-7-18 26184 Siskiyou 2-3 mi. north of Mt. Shasta City. 1159 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
  SBBG55406  Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City; ISOTYPE: C. pallescens 1158 Comment
  JEPS60491  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6742 Siskiyou 1/2 mi w Hamburg (on Hwy 96 above the Klamath River) 426 Comment
  UC144139  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou near Shackelford Creek; Quartz Valley Comment
  UCD123184  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road. 996 Comment
  JEPS3576  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s of summit of road from Happy Camp CA to Waldo, OR Comment
  RSA523462  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  RSA0019560  Cornus californica C. B. Wolf 1934-7-6 5988 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC166604  Cornus glabrata Geo. D. Butler 1908-8-7 84 Siskiyou bank of Lake at head of W. Fork Woolly Creek Comment
  UC1585391  Cornus nuttallii R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 Siskiyou n. of Seiad Valley (at Cook & Green Pass) 1425 Comment
  UC637143  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou e. end Seiad Valley (Walker Creek); e. end Seiad Valley, Walker Creek (tributary of Klamath R.) 609 Comment
  SEINET3161704  Cornus pubescens G. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29143  Cornus sericea subsp. sericea Frederick W. Oettinger 1969-7-18 1058 Siskiyou Marble Mtn. Wilderness Area, outlet of upper English Lake. 1768 Comment
  UC165420  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek Comment
  JEPS75962  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Trinity Alps, Yellow Rose Mine Trail 1706 Comment
  JEPS78178  Corylus californica Gary W. Zamzow 1972-7-20 93 Siskiyou 7 mi e of McCloud (on Highway 89, Fowlers Campground, on e-facing bank of McCloud River); McCloud River, Fowlers Campground, Highway 89 1066 Comment
  RSA481445  Corylus cornuta var. californica M. B. Dunkle 1944-6-25 9010 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC76954  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area. Comment
  CDA4447  Crepis occidentalis J. Grisham 1958-5-14 399 -58 Siskiyou W. H. Gamble property, Yreka. 0 Comment
  UC163911  Crepis occidentalis Geo. D. Butler 1909-5-31 748 Siskiyou field near Hawkinsville Comment
  SEINET7838868 Image available Crepis pleurocarpa H. M. Hall, E. B. Babcock 4024 Siskiyou Upper Sacramento River near Chromite 457 Comment
  UC129571  Crocidium multicaule F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  UC166183  Crocidium multicaule Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka Hills Comment
  HSC68062  Croton setiger J. P. Smith, Steve Selva 1970-7-16 4401 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  RSA591655  Crypsis vaginiflora L. C. Wheeler 1934-10-14 3322 Siskiyou Siskiyou Mts.; Shasta River 2 mi. below Yreka Creek 671 Comment
  HSC82249  Cryptantha affinis Thomas W. Nelson, Jane P. Nelson 1980-7-5 5982 Siskiyou Fowler's Campground 1006 Comment
  UC163852  Cryptantha dissita Geo. D. Butler 1910-5-27 1416 Siskiyou near Yreka Comment
  JEPS107383  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-10 12070 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 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
  CAS-BOT-BC33114  Cryptantha hendersonii Copeland 1903-7-5 s.n. (= no. 3550 of C.F. Baker's distribution) Siskiyou Klamathon Comment
  UC61054  Cryptantha torreyana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  RSA758587  Cryptogramma acrostichoides R. F. Thorne 1969-8-2 63393 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  UCSB51229  Cryptogramma acrostichoides Almanza, Ed 1976-7-13 Siskiyou The "Gate" Pass, Mt. Shasta 2438 Comment
  UC42455  Cryptogramma cascadensis W. H. Brewer 1862-9-13 1394 Siskiyou Mt Shasta 2438 Comment
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Sep 12 2011
  UC42458  Cryptogramma cascadensis Marshall A. Howe 1894-8-4 Siskiyou Mt Shasta 2590 Comment
  CAS-BOT-BC80550  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-9 6170 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3.4 mi. above forks of creek 1158 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
  UC202175  Cupressus bakeri Geo. D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills in rocky canyon Goosenest foothills 1219 Comment
  RSA17605  Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6170 Siskiyou Above west fork Seiad Creek, 3/4 mile above forks of creek. Siskiyou Mountains [ridge between the west and east forks of Seiad Creek, south slope hillside] 1159 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  SEINET8253674  Cupressus bakeri Frank Callahan, John Erwin 1998-8-8 Siskiyou Goosenest Mtn. GrassLake 7.5' Quad; south of Ball Mtn./Little Shasta Rd.; (uphill south of Smith's Sawmill [Historical]). 1676 Comment
  CHSC65214  Cymopterus terebinthinus var. californicus Julie Kierstead 1991-4-23 91004 Siskiyou Mt. Shasta Ranger District. North side of Mt. Shasta, north of Hwy. 97, 2 mi. SW of Haystack Rock. 1066 Comment
  UCD77584  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-7-12 1908 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1789 Comment
  HSC34152  Cynoglossum occidentale J. O. Sawyer 1969-9-11 2002 Siskiyou Along trail to Big Duck Lake 1707 Comment
  CDA37842  Cynoglossum officinale Ashley Knight 2012-7-16 PDR# 470 P06027571 Siskiyou Slightly west of Slagger Camp, Shasta/Trinity National Forest. 0 Comment
  CAS-BOT-BC114150  Cyperus squarrosus Carl B. Wolf 1927-8-26 1087 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  SBBG30575  Cypripedium montanum D. Myrick 1968-6-29 2060 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CDA42723  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou North side of road, 2 miles (3.2 km) east of Callahan, at Highway 3 bridge over East Fork Scott River. Comment
  RSA692794  Cystopteris fragilis L. C. Wheeler 1934-7-5 2879 Siskiyou Deer creek, Serling Mountain Comment
  RSA184775  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  CAS-BOT-BC192260  Danthonia californica W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  HSC19079  Danthonia unispicata J. O. Sawyer 1969-7-15 1114 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  CAS-BOT-BC383127  Darlingtonia californica Andrew Townesmith; Karen M. Meyer 2007-8-1 888 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) 1983 Comment
  POM142718  Darlingtonia californica E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1220 Comment
  SEINET10937535  Darlingtonia californica Mary Susan Taylor 1980-7-22 Taylor 3171 Siskiyou T40N R7W ne sec 32, China Mt quad. Klamath Natl Forest, along creek and meadow, ca. 0.1 mi SW of Big Carmen Lake, on S side of rd 40N08, ca. 2.3 mi NE of its jct with Hwy 3 at Scott Mt summit. 1737 Comment
  CHSC1457  Delphinium M. Yoder 1941-7-19 Siskiyou Castle Lake. 1981 Comment
  CHSC71318  Delphinium andersonii Vernon H. Oswald; Lowell Ahart 1998-6-11 9227 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC9047  Delphinium decorum subsp. tracyi Alice Eastwood 1912-8-30 2001 Siskiyou Mount Eddy Comment
  HSC40241  Delphinium nudicaule J. P. Smith 1976-5-5 8693 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  RSA59503  Delphinium nudicaule E. K. Balls 1950-5-16 14711 Siskiyou E slope, Caldwell Butte, Lava Beds National Monument. Comment
  UC375267  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbug Mountain Comment
  HSC67778  Delphinium nuttallianum J. O. Sawyer, J. Cole 1980-7-21 3871 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  SEINET4344614 Image available Deschampsia cespitosa Unknown 1990-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mile N of Morgan Meadows, Steep E-facing serpentine hillside. 1676 Comment
  SEINET10835347  Deschampsia cespitosa subsp. cespitosa Lawrence P. Janeway 1983-1 Janeway 545 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. In upper portion of the meadow; wet. 1524 Comment
  UC651085  Deschampsia cespitosa subsp. cespitosa L. Whitney 1933-8-2 Siskiyou Slate Creek Comment
  POM161562  Deschampsia danthonioides Geo D. Butler 1908-6-25 477 Siskiyou Yreka Creek Comment
  RSA30673  Deschampsia danthonioides L. C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek; Siskiyou Mts. 915 Comment
  CHSC61566  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Northwest edge of the meadow, on the upper side of the road. 1524 Comment
  HSC26620  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC91415  Deschampsia elongata Jennifer Whipple 1977-7-21 2020 Siskiyou Near Durney Lake 2073 Comment
  UC673281  Descurainia pinnata subsp. halictorum Lincoln Constance and Reed C. Rollins 1942-5-14 2932 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  UC165738  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-5-15 727 Siskiyou Klamath River Comment
  CHSC93525  Descurainia sophia Lowell Ahart; John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC855986  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  HSC43327  Dicentra uniflora Maralyn O'Meara 1974-5-26 468 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  UC796627  Dichelostemma multiflorum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11784 Siskiyou outskirts of Etna Etna Comment
  HSC5957  Dieteria canescens var. canescens D. M. Thomson 1965-8-21 202 Siskiyou California Lava Beds National Monument; 1/2 mi. N of Devil's Homestead Lava Flow Comment
  CAS-BOT-BC290995  Dieteria canescens var. shastensis J. W. Congdon 1900-8-12 s.n. Siskiyou Foot Mt. Shasta Comment
  HSC92173  Dieteria canescens var. shastensis Jennifer Whipple 1978-10-6 2392 Siskiyou N-facing slopes in the Eddy Creek Drainage 2378 Comment
  OBI55452  Dieteria canescens var. shastensis David J. Keil 1992-7-20 23509 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 8.2mi W of Scott river Rd Comment
  CHSC69092  Diplacus jepsonii Vernon H. Oswald; Lowell Ahart 1997-7-28 8783 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
  CAS-BOT-BC153654  Diplacus jepsonii A. A. Heller 1922-7-14 13682 Siskiyou About 12 miles north of Bartle Comment
  CDA6684  Dipsacus fullonum J. R. Grisham 1958-1 2241 Siskiyou Ft. Jones. 0 Comment
  SEINET10929825  Distichlis spicata var. stricta George D. Butler 1910-8-21 Butler 1844 Siskiyou Saline flats, Shasta Valley. Comment
  UC1409478  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou high lake basins in the vicinity English Peak (sw side of Upper English Lake); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  RSA78835  Dodecatheon hendersonii P. A. Munz 1952-7-2 17913 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  RSA238713  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  POM78431  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  UCD55035  Downingia bacigalupii Robert E. Preston 2002-6-22 1885 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  CHSC71479  Downingia pulcherrima Vernon H. Oswald; Lowell Ahart 1998-7-21 9356 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  HSC90896  Draba carnosula Jennifer Whipple 1976-6-17 1032 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  SEINET5342912  Draba howellii G. Butler 1910-7-10 1716 Siskiyou In rock crevices-Marble mountain. 1676 Comment
  HSC77078  Draba pterosperma K. T. Stillman 1976-6-16 2 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UCD115549  Draba pterosperma Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou NE-face of Marble Mountain, Marble Mountains. 2133 Comment
  UCR37813  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn Wilderness Area, ridge top just north of Black Mt. 2104 Comment
  JEPS18871  Draperia systyla Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5965 Siskiyou Canyon at the headwaters of the South Fork of Sacramento River, about 3.5 miles below southwest of the town of Mt. Shasta [formerly Sisson] 1371 Comment
  HSC103177  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  CHSC29779  Drosera rotundifolia M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2784 Siskiyou Bog around Cedar Lake. ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  POM34596  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC159291  Drymocallis lactea var. lactea Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  CAS-BOT-BC158422  Drymocallis rhomboidea John Thomas Howell 1937-7-21 13162 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC4378  Dysphania botrys C. B. Wolf 1927-8-26 1008 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC65120  Dysphania botrys J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5725 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  UC197106  Echinochloa crus-galli Geo. D. Butler 1909-9-5 865 Siskiyou Yreka; Gardens Comment
  CHSC107139  Eleocharis decumbens R. E. Brainerd 2009-7-21 1536 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  CHSC111065  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16886 Siskiyou Toad Lake 2117 Comment
  CAS-BOT-BC113319  Eleocharis montevidensis 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. 1127 Comment
  HSC45949  Eleocharis parishii J. P. Smith, Steve Selva 1970-6-15 3917 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC227126  Elymus Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  RSA603996  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou White Mountains 1768 Comment
  HSC30568  Elymus X hansenii Frederick W. Oettinger 1969-9-2 1589 Siskiyou Marble Mtn. Wilderness Area, meadow above Bear Meadow, near Tom Taylor Cabin. 2043 Comment
  CHSC91371  Elymus cinereus Lowell Ahart; John Dittes 2005-6-10 12109 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC227914  Elymus elymoides Peter H. Raven 1956-9-4 10421 Siskiyou Summit of Mt. Eddy 2758 Comment
  CAS-BOT-BC227926  Elymus elymoides Alice Eastwood 1921-7-29 10980 Siskiyou Bear Spring on road to Medicine Lake Comment
  POM359941  Elymus elymoides M. B. Dunkle 1945-08 9284 Siskiyou Paradise Lake, rocky ledge. Comment
  HSC26575  Elymus elymoides var. californicus J. P. Smith 1972-8-17 5748 Siskiyou Medicine Lake 2012 Comment
  UC157086  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC206592  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SJSU11312  Elymus hispidus S. H. Casey 1981-7-3 1205 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
  CAS-BOT-BC235220  Elymus multisetus Doris K. Kildale 1929-7-20 8557 Siskiyou South Fork of Indian Creek near Happy Camp 457 Comment
  CAS-BOT-BC235225  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  RSA15689  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1077 Siskiyou On the Klamath River, near Hamburg. Comment
  HSC29132  Epilobium ciliatum subsp. ciliatum Frederick W. Oettinger, R. F. Thorne 1969-8-5 1201 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail to Abbotts 1677 Comment
  SBBG126111  Epilobium ciliatum subsp. ciliatum L. Ahart, J. Dittes 2010-7-30 16952 Siskiyou S edge of Shasta River, ca 100 yards E of S edge of the Shasta River, ca 100 yards E of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam, 5.7 mi SE of Grenad 716 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  JEPS38211  Epilobium densiflorum Geo. D. Butler 1908-7-26 164 Siskiyou near Yreka; Butler's Ranch Comment
  HSC19500  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-8-4 1868 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  HSC29168  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  UC1188086  Epilobium hornemannii subsp. hornemannii Philip A. Munz 1960-8-22 24180 Siskiyou Panther Meadows Mt. Shasta (stream bank) 2377 Comment
  HSC29141  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Salmon Mtns., stream inlet into Hancock Lake 1890 Comment
  RSA598062  Epilobium lactiflorum Louis C. Wheeler 1963-8-31 8325 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  CAS-BOT-BC419731  Epilobium luteum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -086 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  UCR37556  Epilobium luteum L. P. Janeway 1983-9-11 679 a Siskiyou Poker Flat 1524 Comment
  HSC76708  Epilobium minutum K. T. Stillman 1976-7-14 227 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  HSC49642  Epilobium minutum J. P. Smith, Steve Selva 1970-6-16 4038 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC69083  Epilobium oreganum Maralyn A. Renner 1980-8-4 2218 Siskiyou Flint Valley 1390 Comment
  JEPS82422  Epilobium oreganum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area 1792 Comment
  POM251090  Epilobium paniculatum W. Bridge Cooke 1938-7-22 11314 Siskiyou Mt. Shasta 1220 Comment
  RSA211354  Epilobium siskiyouense William J. Ferlatte 1966-8-4 303 Siskiyou Dorleska summit. 2134 Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  UC371171  Equisetum laevigatum G. D. Butler 1909-6-20 880 Siskiyou Yreka Comment
  UC637177  Equisetum telmateia subsp. braunii Edward Lee 1934-8-11 1036 Siskiyou e end Seiad Valley (Walker Creek - a tributary of the Klamath River) 609 Comment
  HSC70480  Eragrostis cilianensis J. P. Smith 1976-9-5 8983 Siskiyou Scott Valley 671 Comment
  UC909314  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou East Fork of Scott River Plowman's Valley; , Plowman's Valley 1188 Comment
  HSC77115  Eremogone congesta K. T. Stillman 1976-6-25 94 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  HSC8  Eremogone congesta William J. Ferlatte 1966-6-23 121 Siskiyou Dorleska Summit 2134 Comment
  UCD21461  Eremogone congesta Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1200 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along trail to Gray Rock Lake. 1819 Comment
  CAS-BOT-BC168328  Eremogone congesta var. congesta W. R. Dudley 1905-8-4 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC174227  Eremogone congesta var. congesta C. L. Hitchcock; J. S. Martin 1939-7-9 5324 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  SD76180  Ericameria bloomeri Helen V. Witham 1969-10-9 597 Siskiyou McBride Springs Road, Mount Shasta 1500 Comment
  CAS-BOT-BC294303  Ericameria nauseosa var. speciosa Doris K. Kildale 1929-8-24 8815 Siskiyou Preston Peak 2225 Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC127574  Erigeron aliceae Harley P. Chandler 1901-6-1 1628 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  POM253603  Erigeron aliceae C. L. Hitchcock, J. S. Martin 1939-7-6 5202 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp Road 1555 Comment
  RSA238733  Erigeron aliceae Frederick W. Oettinger 1967-8-12 247 Siskiyou Below Crapo Peak Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC485174  Erigeron aphanactis var. aphanactis M. K. Curran 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC294496  Erigeron bloomeri var. bloomeri Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Summit of Marble Mt. Comment
  HSC92420  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-6-30 1197 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  JEPS101369  Erigeron bloomeri var. nudatus Dean W. Taylor 1997-6-12 16053 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  JEPS125959  Erigeron cervinus D. W. Taylor 1996-6-18 15699 Siskiyou Shasta-Trinity National Forest; Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles w of Scott Valley. Comment
  JEPS84320  Erigeron cervinus L. R. Heckard with J. Hickman et al. 1986-7-17 6477 Siskiyou above an w of Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  HSC44956  Erigeron compositus J. O. Sawyer 1978-6-16 3229 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  UC1540130  Erigeron compositus Dean W. Taylor 1987-6-26 9072 Siskiyou 2 mi w Medicine Lake; Little Mount Hoffman 2209 Comment
  UC1409441  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou summit of English Peak (in Red Fir Forest); Salmon Mountains,Marble Mountain Wilderness Area, High Lake 2228 Comment
  JEPS75885  Erigeron glacialis var. glacialis W. J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mountain; Trinity Alps, Caribou Mountain 2468 Comment
  UCD131990  Erigeron inornatus R. Tofsrud; J. M. Tucker 1948-8-2 1755 Siskiyou Open Yellow Pine woods, outskirts of McCloud. Comment
  CAS-BOT-BC295426  Erigeron inornatus var. calidipetris Alice Eastwood 1921-7-25 10809 Siskiyou Bigelows, McCloud River Comment
  CHSC71857  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1998-9-8 9609 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  OBI55539  Erigeron inornatus var. inornatus David J. Keil, Kathleen Keil 1992-7-24 23565 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  SEINET5708481 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  UC163916  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug <?> Mountain 1066 Comment
  JEPS41523  Erigeron klamathensis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine Comment
  UC637132  Erigeron klamathensis Edward Lee 1934-8-14 1109 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1859 Comment
  RSA238772  Erigeron klamathensis Frederick W. Oettinger 1968-8-19 588 Siskiyou Along trail near gap in ridge between Toms and Hancock Lake basins. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2146 Comment
  RSA792296  Erigeron petrophilus var. viscidulus Rebecca Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  CAS-BOT-BC300083  Erigeron philadelphicus W. B. Cooke; V. G. Cooke 1962-8-19 33551 Siskiyou McBride Springs, Mt. Shasta Comment
  CAS-BOT-BC300312  Erigeron tener Alice Eastwood 1912-8-30 2011 Siskiyou Mount Eddy Comment
  CAS-BOT-BC224139  Eriodictyon californicum J. H. Thomas 1954-5-14 4188 E Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 6 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  CAS-BOT-BC224144  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC70316  Eriodictyon californicum M. A. Baker 1980-6-20 2212 Siskiyou Near Bald Mtn. 1036 Comment
  UC904786  Eriogonum baileyi var. baileyi W. Bridge Cooke 1949-8-26 25650 Siskiyou along logging road above Bolam Station; Mount Shasta 1524 Comment
  CAS-BOT-BC250064  Eriogonum compositum var. compositum John Thomas Howell 1937-7-26 13548 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC248811  Eriogonum compositum var. compositum William A. Dayton 1913-6-16 278 Siskiyou Shasta National Forest. E. slope, Scott Mt., near Callahan - Gazelle stage road 1524 Comment
  CAS-BOT-BC250073  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 s.n. Siskiyou Upper 3rd to top of ridge, Marble Valley Comment
  CAS-BOT-BC242532  Eriogonum congdonii James L. Reveal; Darin S. Reveal 1978-8-8 4805 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3 1645 Comment
  HSC39820  Eriogonum diclinum J. O. Sawyer 1969-8-1 1683 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA165451  Eriogonum douglasii Clare B. Hardham 1961-6-30 8033 Siskiyou Near Mud Springs. 1829 Comment
  CAS-BOT-BC255758  Eriogonum elatum var. villosum L. R. Abrams 1922-8-6 9907 Siskiyou Between summit and Hornbrook Comment
  SDSU6553  Eriogonum hirtellum D. F. Howe 1962-8-4 3385 Siskiyou Baldy Mountain. 1433 Comment
  UC1475703  Eriogonum hirtellum G. L. Clifton 1979-8-5 12714 Siskiyou near Twin Valley (close to town of Happy Camp); Preston Peak quadrangle 1646 Comment
  HSC58960  Eriogonum lobbii Gilbert Muth 1975-7-31 4439 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  RSA184662  Eriogonum lobbii var. lobbii Clare B. Hardham 1965-8-20 13033 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  CAS-BOT-BC263661  Eriogonum luteolum var. luteolum Elmer I. Applegate 1923-9-6 3941 Siskiyou Along the Klamath River about 20 miles below the Pacific Highway Comment
  CAS-BOT-BC419707  Eriogonum marifolium Twyla Miller 2012-8-6 s.n. Siskiyou Mt. Shasta; adjacent to Everitt Memorial Highway near Panther Meadow Campground. Comment
  RSA756711  Eriogonum marifolium Barbara J. Ertter 1990-7-16 9382 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge. 2317 Comment
  UC598749  Eriogonum marifolium C. Hart Merriam 1898-7-19 4 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC263187  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  CAS-BOT-BC267404  Eriogonum microthecum Elmer I. Applegate 1915-9-20 3322 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, northeast corner of Siskiyou County Comment
  CAS-BOT-BC261675  Eriogonum nudum var. nudum Doris K. Kildale 1928-7-3 5431 Siskiyou Forks of Salmon, Salmon River 365 Comment
  HSC42993  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-15 4365 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  UC1043396  Eriogonum nudum var. nudum P. C. Everett and E. K. Balls 1954-10-13 20279 Siskiyou 6.7 mi ne, road to Kangaroo Mt. Hwy. 96; Seiad Creek 701 Comment
  HSC23546  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-18 1383 Siskiyou Ridge above S Russian Creek 1921 Comment
  HSC42996  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-6-14 3860 Siskiyou Comment
  CAS-BOT-BC272487  Eriogonum nudum var. pubiflorum Carl B. Wolf 1927-8-26 1024 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC272467  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-27 1605 Siskiyou Near Yreka Comment
  HSC17326  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 130 Siskiyou Lava Beds N.M., 0.5 mi. S of Cauldwell Butte along main rd. Comment
  POM195480  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou About 3 miles south of Yreka Comment
  UC1505835  Eriogonum pyrolifolium Robert T. Clausen and Harold Trapido 1940-7-27 4968 Siskiyou 3 mi nne summit of Mt. Shasta (w side of w fork of Mountainhouse Creek); So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2438 Comment
  CAS-BOT-BC268584  Eriogonum siskiyouense Thomas W. Nelson; Jane P. Nelson 1980-7-21 6153 Siskiyou North Coast Ranges. Along Forest Serice road 40N08 ca. .6 miles from junction with State Route 3 1645 Comment
  CHSC67580  Eriogonum siskiyouense James D. Jokerst 1992-7-30 3415 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  RSA601669  Eriogonum sphaerocephalum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka. 808 Comment
  CAS-BOT-BC271963  Eriogonum sphaerocephalum var. halimioides M. K. Curran 1887-7-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC263385  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC43454  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  CAS-BOT-BC263391  Eriogonum strictum var. proliferum Lester Rowntree 1937-8-5 2 Siskiyou Between Etna Mills and Fort Jones Comment
  CAS-BOT-BC263398  Eriogonum strictum var. proliferum Alice Eastwood; John Thomas Howell 1937-6-25 5025 Siskiyou Callahan Comment
  SEINET5331685  Eriogonum strictum var. proliferum W. Roderick 1967-7-28 s.n. Siskiyou Scott Valley, W side of valley. 914 Comment
  HSC69556  Eriogonum ternatum Maralyn A. Renner 1980-6-26 1290 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS84293  Eriogonum ternatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 Siskiyou ca 1/2 mi se Red Butte (slope e of road; ca. 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  CAS-BOT-BC94549  Eriogonum umbellatum R. C. Wenk 2006-9-2 545 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  HSC65577  Eriogonum umbellatum R. White 1977-7-7 111 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  HSC69234  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2712 Siskiyou S side of Devil's Punchbowl 1829 Comment
  CAS-BOT-BC267933  Eriogonum umbellatum A. A. Heller 1938-7-13 15271 Siskiyou About a mile south of Bray Comment
  RSA68952  Eriogonum umbellatum var. argus A. E. Culbertson 1943-7-21 6 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 ft. above Sacramento R. within 10 mi. of its headwaters to the west. 1657 Comment
  POM274349  Eriogonum umbellatum var. argus B. W. Heacox 1947-9-11 186 Siskiyou Dry-Lake Look-out Station. 2043 Comment
  HSC43435  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-7 1328 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  UC1949261  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-16 9385 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  UC727195  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy 2682 Comment
  UC77425  Eriogonum umbellatum var. humistratum H. E. Brown Jun 15 1897-Jun 30 1897 Siskiyou n side Mt. Shasta Mt. Shasta 1524 Comment
  RSA420695  Eriogonum umbellatum var. modocense M. B. Dunkle 1945-08 9276 Siskiyou Paradise Lake, rocky ledge. Comment
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  RSA65958  Eriogonum umbellatum var. nevadense F. W. Peirson 1923-7-19 3711 Siskiyou Near Bray. Comment
  UCD101401  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  SD98969  Eriogonum umbellatum var. polyanthum D. F. Howe 1977-7-5 4997 Siskiyou 15 mi. SE Granada Comment
  CAS-BOT-BC262383  Eriogonum vimineum L. R. Abrams 1927-9-11 12144 Siskiyou Fork of Klamath and Shasta Rivers Comment
  UC1112260  Eriophorum crinigerum Rimo C. Bacigalupi with Galen Smith 1957-6-26 5953 Siskiyou ca. 6 mi. due s. Mt. Eddy (head of S. Fork of Sacramento R., w. side Gumboot Lake); Gumboot Lake 1859 Comment
  JEPS19990  Eriophorum gracile W. L. Jepson Aug. 1894 Siskiyou near Sisson Comment
  HSC35113  Eriophyllum lanatum J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC301098  Eriophyllum lanatum var. achilleoides J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC301100  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301105  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  JEPS34609  Eriophyllum lanatum var. achilleoides George D. Butler 1909-4-30 688 Siskiyou near Yreka Comment
  CAS-BOT-BC301119  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 86 Siskiyou 1 mile south of Weed Comment
  POM30094  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-4 1279 Siskiyou Dry hill, Yreka. Comment
  CAS-BOT-BC301450  Eriophyllum lanatum var. grandiflorum Lewis S. Rose 1937-7-3 37392 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  CAS-BOT-BC301720  Eriophyllum lanatum var. lanceolatum D. E. Breedlove 1962-6-10 3314 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  CAS-BOT-BC301725  Eriophyllum lanatum var. lanceolatum Lewis S. Rose 1945-6-19 45145 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC2273  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mtn. 1220 Comment
  RSA184629  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1965-8-20 13039 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UCD132196  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  SD104855  Eriophyllum lanatum var. monoense Darley Howe 1979-6-26 Siskiyou Military Pass Road, 6 miles southeast of Highway 97. 1830 Comment
  UC2043245  Eryngium articulatum Barbara Ertter 1996-7-24 15023 Siskiyou Klamath River at mouth of Dillon Creek, Route 96 ca 14 air miles N of Somes Bar/Humboldt County line. Comment
  CAS-BOT-BC54569  Erysimum capitatum Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy. Comment
  HSC62632  Erysimum capitatum Stansell 1928-6-18 Siskiyou Youngs Valley Comment
  HSC195  Erysimum perenne William J. Ferlatte 1966-7-7 214 Siskiyou N side of Caribou Mtn. 1982 Comment
  CHSC33275  Erysimum repandum R. E. Preston 1981-5-2 61 Siskiyou On a roadside cut, ca. 50 m n of Camp Creek where it joins Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  SJSU917  Erythranthe guttata J. W. Tilden 1946-6-20 1007 Siskiyou Spring Flat, NW from Fort Jones, Scott R Comment
  CHSC71502  Erythranthe inflatula Vernon H. Oswald; Lowell Ahart 1998-7-21 9359 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  SEINET8264805  Erythranthe nasuta L. E. Detling 1948-5-20 6200 Siskiyou Klamath River near Rocky Bar Forest Camp. 457 Comment
  CAS-BOT-BC133301  Erythronium hendersonii Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville Comment
  JEPS50874  Erythronium klamathense Wayne Roderick 1963-6-10 Siskiyou along trail from Castle Lake to Little Castle Lake 1828 Comment
  UC375278  Eschscholzia californica Geo. D. Butler 1908-6-23 1063 Siskiyou near Yreka Comment
  CAS-BOT-BC403673  Eschscholzia californica W. R. Ernst 1958-8-11 301 Siskiyou Town of Mt. Shasta, between Highway 99 and railroad station Comment
  JEPS51783  Eschscholzia californica Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Horseshoe Bend Region of the Upper Sacramento 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
  SD75848  Eucephalus glabratus Darley F. Howe 1969-8-9 Siskiyou North entrance to Siskyou National Forest. 1525 Comment
  HSC41059  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou S of South Sugar Lake 2073 Comment
  CAS-BOT-BC383118  Eucephalus tomentellus Andrew Townesmith; Karen M. Meyer 2007-7-28 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  CAS-BOT-BC202763  Euonymus occidentalis Doris K. Kildale 1928-7-3 5456 Siskiyou 8 miles east of Forks of Salmon on road to Little North Fork Salmon River Comment
  RSA126073  Euonymus occidentalis I. L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  JEPS51919  Euphorbia crenulata W. L. Jepson 1940-6-27 20056 Siskiyou McCloud 975 Comment
  UC572797  Eurybia radulina W. Bridge Cooke 1937-8-6 9177 Siskiyou Mt. Shasta 1219 Comment
  UC166191  Eurybia radulina Geo. D. Butler 1908-7-22 293 Siskiyou on Fort Jones and Yreka Road Fort Jones, Yreka Road Comment
  RSA507775  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-16 8468 Siskiyou CA-96, 1.6 km W of Horse Creek, before CA-3; by Klamath River Comment
  UCD98901  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway. Along Siskiyou Ave., n. limits of Dunsmuir. Comment
  UCD98903  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway. Along Siskiyou Ave., n. limits of Dunsmuir. Comment
  HSC39752  Festuca arundinacea J. O. Sawyer 1969-8-1 1617 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  HSC102709  Festuca idahoensis J. P. Smith 2013-6-17 13742 Siskiyou Tennat-Bray. 1485 Comment
  HSC30510  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  JEPS73756  Festuca idahoensis Geo. D. Butler 1909-6-22 841 Siskiyou Goosenest foothills Comment
  UCD66110  Festuca idahoensis Mr. Roseman 1913-1 18 Siskiyou Butte Valley. Comment
  SEINET10559260  Festuca idahoensis Barbara L. Wilson 1996-6-21 Wilson 8159 Siskiyou Klamath National Forest; 3.4 miles east of the highway rest area at Grass Lake on Highway 97, at intersection with a dirt road marked "M.P. 372.8"; T44N R2W, probably SW 1/4 of Section 17. 1524 Comment
  UC818049  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  UC593532  Festuca roemeri E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1910 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  UCD66277  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  CAS-BOT-BC279074  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  HSC30647  Festuca rubra Frederick W. Oettinger 1969-9-2 1585 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  HSC30499  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  JEPS80531  Festuca viridula Gilbert Muth 1966-7-17 403 Siskiyou trail to Marble Mountain Wilderness Area 1828 Comment
  HSC78202  Floerkea proserpinacoides L. P. Janeway 1983-8-6 485 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  HSC73338  Fragaria vesca Gail Newton 1980-6-20 465 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS44870  Fragaria vesca W. L. Jepson Jul 1894 13874 Siskiyou stage road between Sisson and Upton Comment
  HSC69376  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-19 3680 Siskiyou Near FS Rd. 45N0 2018 Comment
  HSC68992  Frangula californica Maralyn A. Renner 1980-7-28 2170 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  SBBG19298  Frangula californica subsp. occidentalis M. A. Piehl 1956-8-14 Siskiyou near jade mine, vicinity of Happy Camp Comment
  CAS-BOT-BC55715  Frangula rubra subsp. obtusissima Alice Eastwood 1921-7-31 11013 Siskiyou Shasta Springs Comment
  CAS-BOT-BC55717  Frangula rubra subsp. obtusissima Wm. F. Herrin 1920-8-25 s.n. Siskiyou road to Mt. Eddy Comment
  CAS-BOT-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  RSA60644  Frasera albicaulis var. nitida Dorothy Parker 1948-7-11 103 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  UC141797  Fraxinus latifolia Dr. E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  CAS-BOT-BC502837  Fritillaria atropurpurea Milo S. Baker 1933-4-22 7425 Siskiyou Pacific Highway between Shasta and Shasta Springs Comment
  CAS-BOT-BC502840  Fritillaria atropurpurea A. M. Vollmer; L. Beane 1951-6-2 60 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC502845  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12390 Siskiyou Hillside .3 mile west of Carmen Lake 1706 Comment
  UC672099  Fritillaria pudica D. Tebbe 1930-3-28 69 Siskiyou near Weed Comment
  CAS-BOT-BC506212  Fritillaria pudica F. M. Anderson 1896-4-1 s.n. Siskiyou Near Yreka Comment
  HSC68347  Galium aparine J. P. Smith 1973-5-5 6382 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC58971  Galium bifolium Gilbert Muth 1975-7-30 4034 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  JEPS6708  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek 1158 Comment
  UC888781  Galium bolanderi John Thomas Howell 1937-7-26 13553 Siskiyou Caribou Gulch Comment
  HSC70606  Galium glabrescens J. O. Sawyer, R. J. Cole 1981-7-2 4146 Siskiyou Near Scott Mtn. Campground 1585 Comment
  SD70495  Galium glabrescens F. Ehrendorfer, Stebbins, Dempster 1959-9-26 5963 Siskiyou I(c) mile south-southeast of Castle Lake, southwest of Mount Shasta Village 1830 Comment
  JEPS83624  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 940 Siskiyou e FS Rd. 40N03 (on s side of creek, slope facing nw at creek crossing); Klamath National Forest, Scott River District, China Mtn. SW 1188 Comment
  HSC19185  Galium triflorum J. O. Sawyer 1968-7-23 584 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS80604  Galium triflorum Gilbert Muth 1966-7-29 461 Siskiyou by waterfall Marble Mt. Wilderness Area, Marble Valley 1798 Comment
  UC139340  Galium triflorum Copeland 1903-9-14 3933 Siskiyou Sisson Comment
  UCD77233  Galium triflorum Robert E. Preston 2001-6-30 1635 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  CAS-BOT-BC182276  Garrya fremontii John Thomas Howell 1937-7-23 13346 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM208314  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mountains. 1067 Comment
  POM78080  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Near Yreka. Comment
  RSA238747  Garrya fremontii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1199 Siskiyou South east facing slope by 'Willow Springs' along the trail between Abbotts Upper Cabin and English Lake; Salmon Mountains, Marble Mountain Wilderness Area. 1677 Comment
  RSA238889  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  UC527339  Garrya fremontii C. B. Wolf 1931-9-2 Siskiyou 4 mi above McCloud Road junction with Pacific Highway 1188 Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  CAS-BOT-BC56237  Gaultheria humifusa Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lake, Salmon Alps 2133 Comment
  HSC26905  Gaultheria humifusa J. P. Smith 1971-9-17 4782 Siskiyou Little Duck Lake 1921 Comment
  SEINET3150045  Gayophytum diffusum G. D. Butler 1910-7-3 1630 Siskiyou Goosenest foothills 1219 Comment
  POM261010  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1941-9-10 16307 Siskiyou In the yard at Horse Camp, Mt. Shasta. 2439 Comment
  POM355398  Gayophytum diffusum subsp. parviflorum L. S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 915 Comment
  UC873647  Gayophytum heterozygum W. Bridge Cooke 1941-9-5 16273 Siskiyou along the Memorial Hwy below MacBride Springs; Mt. Shasta Comment
  HSC41060  Gentiana newberryi J. O. Sawyer 1969-8-17 1972 Siskiyou W of Little Duck Lake 2012 Comment
  UC1584288  Gentiana newberryi var. newberryi J. Kierstead, R. Bittman, and M. Meyers 1989-8-11 89 -71 Siskiyou s side Forest Service Rd. 26 (Gumboot Creek); Shasta/Trinity National Forest, Mt. Shasta Ranger Dist. 1767 Comment
  UC1608325  Gentiana newberryi var. newberryi J. Kierstead 1990-8-9 90 130 A Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyone end of Forest Service rd 40N42); Shasta-Trinity National Forests, Shasta Ranger Dist. 1828 Comment
  CAS-BOT-BC217413  Gentiana plurisetosa Doris K. Kildale 1928-8-19 6508 Siskiyou English Lake, head of north fork of Salmon River 1828 Comment
  SEINET4853845  Gentiana plurisetosa George D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  UCD102203  Gentianella amarella subsp. acuta Daniel Sanchez-Mata; Tomas Santamaria 2008-8-1 s.n. Siskiyou Stewarts Springs Road to Parks Road. 1720 Comment
  UC163809  Geranium viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  RSA454259  Geum macrophyllum Louis C. Wheeler 1934-6-14 2712 Siskiyou Siskiyou Mts. 1280 Comment
  UC1733717  Geum triflorum Kay H. Beach, Frank Gould 1940-5-15 626 Siskiyou Bull Meadows Comment
  CAS-BOT-BC143592  Geum triflorum Dorothy Parker 1948-7-11 96 Siskiyou Sam's Neck, near Dorris 1371 Comment
  HSC43269  Gilia capitata K. Irwin 1977-5-22 393 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  HSC30424  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Marble Mtn. Wilderness Area, Red Hill N of Hancock Lake 2058 Comment
  SEINET198288 Image available Glyceria declinata G. L. Church 1941-6-19 1328 Siskiyou 1 mi W of Mt Shasta City rd to Abrams Lake Comment
  CAS-BOT-BC282716  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC282724  Glyceria elata John Thomas Howell 1939-8-5 15071 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS83991  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6374 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA238998  Glyceria striata Frederick W. Oettinger 1969-8-16 1403 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC88403  Gnaphalium palustre Jenny Marr 1993-7-1 162 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM208364  Gnaphalium palustre L. C. Wheeler 1934-6-10 2676 Siskiyou Hungry Creek; Siskiyou Mts. Comment
  UC1192118  Gnaphalium palustre Herbert L. Mason 1948-7-17 13605 Siskiyou Eastern Grass Lake Comment
  RSA237526  Gnaphalium palustre Frederick W. Oettinger 1969-8-14 1368 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  HSC19399  Goodyera oblongifolia J. O. Sawyer 1968-7-10 458 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS83864  Goodyera oblongifolia Wayne Roderick 1976-7-1 Siskiyou vicinity of Cook and Green Pass (ne side of Pass, Siskiyou Mountains); Siskiyou Mountains 1463 Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  CDA3424  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou West of Medo-Bel Dairy, College Avenue, southwest part of Weed. 0 Comment
  CHSC66538  Hackelia californica Vernon H. Oswald 1996-7-12 8000 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 6 and 7. At roadside. 1767 Comment
  RSA747341  Hackelia californica K. M. Meyer, A. Townesmith 2007-7-29 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  RSA12573  Hackelia californica C. B. Wolf 1934-7-6 6013 Siskiyou 0.5 mi. so. of Wagon Camp, So. slope of Mt. Shasta. 1524 Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  RSA167324  Hackelia micrantha Joseph P. Tracy 1951-6-16 19494 Siskiyou Summit of the Siskiyous, at crossing of Takilma-Happy Camp Road, near State Line. 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
  CAS-BOT-BC504593  Hastingsia alba Lillian Mott 1977-7-4 32 LM76 Siskiyou Along road from Creek and Green Pass to Lily Pad Lake 1524 Comment
  CAS-BOT-BC504601  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC504608  Hastingsia alba Alice Eastwood 1912-7-17 1190 Siskiyou Sisson Comment
  RSA377543  Hastingsia alba M. B. Dunkle 1945-7-24 9260 Siskiyou Klamath National Forest. Marble Mtns. Comment
  JEPS120254  Hazardia whitneyi var. discoidea Julie Kierstead Nelson 2011-8-23 2011 -46 Siskiyou Eastern Klamath Mountains, The Eddys, North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  LA203710  Hazardia whitneyi var. discoidea Louis Wheeler; 1934-8-5 3045 Siskiyou Siskiyou Mountains, Condrey Mt 2163 Comment
  RSA215643  Hazardia whitneyi var. discoidea Gilbert Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge. 2378 Comment
  CDA6451  Helenium autumnale T. C. Fuller 1958-8-13 1234 -58 Siskiyou 10 miles south of Fort Jones, Scott Valley. 0 Comment
  UCR37839  Helenium bigelovii L. P. Janeway 1983-7-31 479 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  UC1282024  Helianthella californica subsp. nevadensis Louise Kellogg Aug 8 1953-Aug 9 1953 115 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  CAS-BOT-BC305570  Helianthus bolanderi Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Rogers Creek, Somes Bar Comment
  CAS-BOT-BC305575  Helianthus bolanderi L. R. Abrams 1922-8-6 9910 Siskiyou Between Summit and Hornbrook Comment
  CAS-BOT-BC313462  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  JEPS88984  Hemizonella minima Steve Morrell 1994-6-30 Siskiyou on Rd. 43N03 1/4 mi w Military Pass Road (43N19) (0.4 mi s of Hwy 97); Shasta-Trinity National Forests 1341 Comment
  HSC76749  Heracleum maximum K. T. Stillman 1976-7-15 253 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  JEPS107319  Hesperochiron californicus Lowell Ahart, John Dittes 2005-6-10 12105 Siskiyou 30 yards E of Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air mi S of Hwy 99/97 Cutoff, about 6 air mi E-SE of Grenada 776 Comment
  JEPS1684  Hesperochiron californicus J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UCD77767  Hesperolinon micranthum Robert E. Preston 2002-6-22 1884 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  JEPS16282  Heterocodon rariflorum A. A. Heller 1916-6-20 12410 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC890667  Heterocodon rariflorum A. A. Heller 1916-6-20 12410 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC311092  Heterotheca oregona var. rudis Louis C. Wheeler 1934-9-15 3265 Siskiyou Klamath National Forest. Walker 518 Comment
  UC922302  Heuchera merriamii Annie M. Alexander and Louise Kellogg 1949-7-24 5860 Siskiyou Paradise Lake, trail to Bear Lake Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  HSC64677  Heuchera merriamii J. O. Sawyer 1977-7-6 3036 Siskiyou Behind S Sugar Lake 1982 Comment
  UC455375  Heuchera micrantha var. erubescens I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC319677  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest 1463 Comment
  UC1483516  Hieracium albiflorum John Palmer 1980-8-13 767 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UC485540  Hieracium albiflorum H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  HSC22257  Hieracium albiflorum J. O. Sawyer 1968-7-10 490 Siskiyou 1768 Comment
  RSA758219  Hieracium albiflorum R. F. Thorne 1969-8-2 66328 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC318510  Hieracium bolanderi Doris K. Kildale 1929-7-20 8540 Siskiyou Trail to Preston Peak along South Fork INdian Creek 2133 Comment
  HSC81198  Hieracium bolanderi Thomas W. Nelson, Jane P. Nelson 1980-7-5 5966 Siskiyou Fowler's Campground 1006 Comment
  CAS-BOT-BC318546  Hieracium greenei Gilbert J. Muth 1969-8-6 1238 Siskiyou Boulder Peak Ridge 2468 Comment
  HSC69195  Hieracium horridum Maralyn A. Renner 1980-9-1 2692 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC316035  Hieracium scouleri A. A. Heller 1905-6-22 s.n. Siskiyou Igerna Comment
  HSC2411  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC204676  Holodiscus discolor James R. Shevock 2012-7-19 40512 Siskiyou Klamath Range, Klamath National Forest. Along forest road 48N20, 5.8 miles north of Seiad Valley above the Klamath River toward Cook and Green Pass 716 Comment
  HSC62599  Holodiscus discolor Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  CAS-BOT-BC152361  Holodiscus discolor var. discolor E. K. Balls 1949-7-10 13960 Siskiyou 8 miles from Sawyers Bar on the way to Cecilville 792 Comment
  CAS-BOT-BC152368  Holodiscus discolor var. discolor Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  CAS-BOT-BC152381  Holodiscus discolor var. discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 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
  RSA233673  Holodiscus microphyllus var. glabrescens Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38989 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
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Sep 13 2009
  SDSU9087  Holodiscus microphyllus var. glabrescens D. F. Howe 1964-8-4 3933 Siskiyou Probably Modoc or Shasta National Forest., 9.0 miles from entrance to Lava Bed National Monument. 2042 Comment
  POM208203  Hordeum murinum subsp. glaucum L. C. Wheeler 1934-6-16 2721 Siskiyou Ditch Creek, near Hornbrook; Siskiyou Mts., Mt. Diablo Mer. 823 Comment
  CHSC57449  Horkelia daucifolia L. P. Janeway 1984-6-22 870 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08/ 1645 Comment
  CAS-BOT-BC143946  Horkelia daucifolia J. P. Smith; T. W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 miles from its junction with State Route 3 1645 Comment
  JEPS82693  Horkelia daucifolia Wayne Roderick 1984-6-6 Siskiyou about 5 mi s Gazelle 1021 Comment
  POM88098  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Dry hill, Yreka. Comment
  RSA3817  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Siskiyou County: Klamath and Shasta Valley, near Gazelle Comment
  HSC39327  Horkelia daucifolia var. daucifolia J. P. Smith 1974-5-25 7376 Siskiyou Along Road 8, 2.4 mi. W from its junction with Hwy. 3 1006 Comment
  CHSC99207  Horkelia fusca subsp. parviflora L. P. Janeway; B. Castro 2007-7-28 9127 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  RSA275399  Horkelia tridentata subsp. flavescens J. O. Sawyer, E. Cope 1977-6-18 2926 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  JEPS88752  Horkelia tridentata subsp. tridentata Dean W. Taylor 1993-5-26 13521 Siskiyou ca 400 m e Forest Road 40N04 and right-of-way PG&E natural gas pipeline (1 mi nw Timbered Crater, on border of narrow meadows along unnamed creek tributary to Abode Flat); Modoc Plateau, nw Timbered Crater 1120 Comment
  UC481099  Horkelia tridentata subsp. tridentata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC539426  Horkelia tridentata var. tridentata Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -019 Siskiyou North side of Mt. shasta, south of Hwy. 97, along Forest Service Rd. 42N84; in area burned by Hotlum Fire in february 2006; CA. 4 miles NE of town of Weed. 1249 Comment
  CAS-BOT-BC539431  Horkelia tridentata var. tridentata Wm. Bridge Cooke 1940-7-6 15097 Siskiyou Dry openings in pine woods along the Pacific Highway, US99, between Mount Shasta City and Black Butte Comment
  CAS-BOT-BC539438  Horkelia tridentata var. tridentata A. A. Heller 1916-8-24 12565 Siskiyou Near Sisson 1074 Comment
  JEPS79757  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  UC90395  Hulsea nana Miss Eastwood 1893-7-1 Siskiyou Mt. Shasta Comment
  UC1733771  Hydrophyllum capitatum var. alpinum Kay H. Beach 1940-5-15 1038 Siskiyou Bull Meadows Comment
  POM73770  Hydrophyllum capitatum var. alpinum Geo. D. Butler 1910-5-10 1324 Siskiyou Goosenest foothills 1677 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA78829  Hydrophyllum occidentale P. A. Munz 1952-7-2 17907 Siskiyou Exposed stony ridge west of Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mountains. 1784 Comment
  SEINET5518744  Hydrophyllum occidentale var. watsonii G. D. Butler 1910-1 1720 Siskiyou Marble Mountain 1676 Comment
  POM67032  Hymenoxys lemmonii Geo D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  SBBG28011  Hymenoxys lemmonii L. C. Wheeling 1934-10-21 1934 Siskiyou 4 mi E of Grenada 853 Comment
  CAS-BOT-BC400987  Hypericum anagalloides H. A. Thomas; J. H. Thomas 1954-7-23 4461 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC34148  Hypericum anagalloides J. O. Sawyer 1969-8-18 1988 Siskiyou S Sugar Lake Creek 1829 Comment
  HSC67767  Hypericum anagalloides John Palmer 1980-8-15 964 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  HSC99604  Hypericum anagalloides Gail Newton 1980-6-20 443 Siskiyou Near Bald Mtn. 1097 Comment
  POM86619  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  JEPS5827  Idahoa scapigera J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  HSC45997  Ipomopsis aggregata J. P. Smith, Steve Selva 1970-7-18 4490 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS25591  Ipomopsis aggregata Rimo Bacigalupi 1959-7-2 7223 Siskiyou near n base of Caribou Mtn. (just s of low divide separating Coffee Creek drainage from that of the Salmon River, headwaters of the South Fork of Salmon River, nr. Trinity Co. line); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS810  Ipomopsis aggregata Geo. D. Butler 1908-8-3 134 Siskiyou Shackleford Creek near Log Lake 1524 Comment
  UC648263  Ipomopsis aggregata John Thomas Howell 1939-8-2 14898 Siskiyou Spirit Lake Marble Mtns Comment
  HSC22108  Ipomopsis aggregata J. O. Sawyer 1969-7-16 1126 Siskiyou SW-facing slope W of Russian Lake 2210 Comment
  CHSC71588  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9455 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  RSA469557  Ipomopsis congesta M. B. Dunkle 1945-1 9350 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  RSA699547  Iris missouriensis Jenny Marr 1993-07 139 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  UC127335  Iris missouriensis H. M. Hall and E. B. Babcock 1903-6-18 4140 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  UC164475  Iris missouriensis Geo. D. Butler 1909-6-22 883 Siskiyou Goosenest foothills Comment
  SEINET4061569  Iris missouriensis C. Davidson 1975-1 2667 Siskiyou 0.8 miles from gate on special service road branching southeast of road from Gazelle to Callahan. Roughly 9.3 miles west of Gazelle in the Klamath National Forest. 1508 Comment
  SEINET3875938  Iris tenuissima Alv Dan Youngberg 1964-6-17 27 Siskiyou Humbolt Meridian.; 0 579 Comment
  NY411181  Isatis tinctoria F. M. Ownbey 1940-7-7 2208 Siskiyou Soap Ridge road, southwest of Yreka Comment
  UCD115202  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  UC400939  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 B Siskiyou Shackleford Creek Log lake Comment
  HSC34263  Isoetes occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7316 Siskiyou Around Cliff Lake 1860 Comment
  UC1408840  Isoetes occidentalis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1268 Siskiyou w end English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1752 Comment
  UC922487  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-25 5849 Siskiyou pond s of Lake Paradise Lake; Marble Mts 2072 Comment
  CDA8048  Iva axillaris T. C. Fuller 1960-7-26 4879 Siskiyou Sam s Neck, ca. 10 miles southwest of Dorris. 0 Comment
  CAS-BOT-BC135374  Ivesia gordonii K. T. Stillman 1976-6-25 60 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  CDA39574  Juglans hindsii D. H. Shaw &Q. L. Holdeman 1977-9-26 s.n. Siskiyou Klamath River Lodge, Klamath River. 0 Comment
  CAS-BOT-BC110017  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CAS-BOT-BC110021  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou On Highway 97 at Hebron Summit. Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  JEPS107851  Juncus balticus var. balticus Lowell Ahart, John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107945  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2005-6-9 12055 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC1265305  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou e shore Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  HSC74815  Juncus dubius J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  CHSC71609  Juncus ensifolius Vernon H. Oswald; Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  HSC30699  Juncus ensifolius Frederick W. Oettinger 1969-7-29 1104 Siskiyou Marble Mtn. Wilderness Area, N shore of Uncle's Lake 1845 Comment
  RSA238898  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-24 1520 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC110801  Juncus mertensianus John Thomas Howell 1939-8-8 15154 Siskiyou Black Mountain. Marble Mountains. Comment
  UC1265333  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou just sw Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  HSC22485  Juncus parryi J. O. Sawyer 1969-7-25 1534 Siskiyou SE facing upper slope above Sugar Lake 1997 Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC80907  Juniperus Doris K. Kildale; J. W. Gillespie 1929-6-23 8039 Siskiyou Shasta River near Yreka 762 Comment
  HSC30624  Juniperus communis var. saxatilis Frederick W. Oettinger 1969-8-23 1513 Siskiyou Base of slope near Smith Lake, Salmon Mtns. 1677 Comment
  SFV5113  Juniperus grandis B. C. Templeton 1957-6-21 Siskiyou North of Callahan Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  UCR4291  Juniperus occidentalis var. occidentalis Frank C. Vasek 1965-8-31 650831- 01 Siskiyou Lava Beds National Monument, at the turn-off to Valentine Cave 1393 Comment
  RSA352529  Juniperus occidentalis var. occidentalis B. C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  RSA592549  Juniperus occidentalis var. occidentalis S. O. Mattoon 1976-6-19 36 Siskiyou Gazelle Callahan Road; 6.7 miles W of Callahan 1128 Comment
  CAS-BOT-BC56361  Kalmia microphylla subsp. microphylla Doris K. Kildale 1928-8-19 6511 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC69360  Kalmia polifolia Maralyn A. Renner 1980-8-19 2488 Siskiyou S side of Caribou Lake 2104 Comment
  RSA46968  Keckiella corymbosa Carl B. Wolf 1927-8-27 1125 Siskiyou On the Klamath River, 4 miles below Happy Camp. Comment
  RSA537375  Keckiella corymbosa Walter Wisura, J. Romero 1991-10-18 4598 Siskiyou Salmon River, 3.4 mi E of Sommes Bar, on exposed rock face. Comment
  CAS-BOT-BC246175  Keckiella lemmonii Alice Eastwood 1917-9-2 6635 Siskiyou Shasta Springs Comment
  HSC23541  Kelloggia galioides J. O. Sawyer 1969-7-24 1190 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  UC1023834  Kelloggia galioides Douglas Barbe 1955-7-26 273 Siskiyou n slope Scott Mtn.; Klamath Mountains 1828 Comment
  UC455874  Kelloggia galioides I. J. Condit 1911-7-5 Siskiyou Mt. Bradley; Shasta Retreat 1524 Comment
  CAS-BOT-BC340372  Kyhosia bolanderi Alice Eastwood 1912-8-30 1988 Siskiyou Mount Eddy Comment
  JEPS109402  Lactuca serriola Dean W. Taylor 2004-7-19 19182 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  CAS-BOT-BC341693  Lagophylla ramosissima Alice Eastwood 1922-10-23 11556 Siskiyou Yreka Comment
  POM215857  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek, Siskiyou Mts, Mt. Diablo Mer. 1006 Comment
  SEINET3131407  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC204983  Lathyrus jepsonii var. californicus Alice Eastwood 1921-7-30 10998 Siskiyou Soda Creek Comment
  RSA0069323  Lathyrus nevadensis subsp. nevadensis Dean Wm. Taylor, Tom Engstrom 2005-7-12 19384 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  CAS-BOT-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  CHSC33171  Lepidium campestre R. E. Preston 1981-5-2 54 Siskiyou At Camp Creek Recreation Area, on Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  HSC6830  Lepidium virginicum D. M. Thomson 1965-7-10 124 Siskiyou California Lava Beds National Monument, by Information Center, next to parking lot Comment
  SEINET14160959  Leptosiphon bolanderi D. W. Taylor 2003-5-21 18579 Siskiyou Mount Shasta, Weed ca. 2 miles west of downtown, situated just south of Interstate 5, 1.6 miles west from the North Weed exit, Shasta National Forest. 982 Comment
  POM43381  Leptosiphon bolanderi Geo D. Butler 1910-4-14 1172 Siskiyou Dry hills, Yreka. Comment
  CHSC40747  Leptosiphon ciliatus A. A. Heller 1938-7-12 15247 Siskiyou Five miles north of Weed on U.S. Highway #97. Comment
  UCSB7737  Leptosiphon ciliatus Hardham, Clare 1961-6-30 Siskiyou White Mt. 1828 Comment
  POM96126  Lesquerella occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mtn Comment
  SEINET12006370  Lesquerella occidentalis H. P. Chandler 1901-1 1653 Siskiyou Marble Mountain 2438 Comment
  UC455815  Lessingia nemaclada I. J. Condit 1911-7-13 Siskiyou Dunsmuir Sacramento River Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  RSA507783  Lessingia nemaclada J. C. Semple, S. Heard 1986-8-16 8467 Siskiyou CA-96, 1.6 km west of Horse Creek, before CA-3 Comment
  CAS-BOT-BC342102  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  JEPS74505  Leucothoe davisiae W. J. Ferlatte 1966-8-3 279 Siskiyou Trinity Alps, Josephine Lake basin Josephine Lake basin; Trinity Alps, Josephine Lake basin 1676 Comment
  UC1951316  Leucothoe davisiae Robert F. Thorne and Fred Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  HSC27337  Lewisia cotyledon J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5707 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA237461  Lewisia cotyledon Frederick W. Oettinger 1968-8-23 606 Siskiyou Ridge below English Lake overlook by English Peak meadow trail Y going to Hancock Lake, Crapo Peak and Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET11942479  Lewisia cotyledon H. P. Chandler 1901-1 1594 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  UC164414  Lewisia cotyledon var. heckneri Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
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Jun 6 2012
  SEINET5336465  Lewisia cotyledon var. howellii G. Butler 1910-6-5 1527 Siskiyou Loy Lake. Comment
  HSC77067  Lewisia leeana K. T. Stillman 1976-6-26 134 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UC164246  Lewisia leeana Geo. D. Butler 1910-8-8 1687 Siskiyou Shackleford Creek 1828 Comment
  CAS-BOT-BC444080  Lewisia leeana Lester Rowntree 1931-7-26 s.n. Siskiyou Caribou Lakes Comment
  CAS-BOT-BC444085  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  UC52210  Lewisia rediviva W. T. Mooney 1908-5-28 Siskiyou Yreka Comment
  UC1408940  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou n Upper English Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 1950 Comment
  CAS-BOT-BC283812  Leymus cinereus Geo. D. Butler 1909-6-19 839 Siskiyou Near Yreka Comment
  UCD64279  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley. Comment
  CAS-BOT-BC272171  Leymus triticoides L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  UC197190  Leymus triticoides Geo. D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  UCD127546  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC436054  Ligusticum grayi Annetta Carter 1939-8-21 1472 Siskiyou Above SE end of Taylor Lake, 12 miles SW of Etna, Salmon Mountains 2194 Comment
  JEPS84045  Ligusticum grayi L. R. Heckard with J. Hickman et al. 1986-7-17 6537 Siskiyou Road end area and camp overlooking S end of Alex Hole, SE of Condrey Mt. Comment
  UC1400373  Ligusticum grayi Robert F. Thorne and Fred Oettinger 1969-8-10 38967 Siskiyou s. slope Mt. Shasta (Panther Creek Meadows); Mt. Shasta nat'l Forest, , Panther Creek Meadows 2194 Comment
  UC1483536  Ligusticum grayi Maralyn A. Renner 1980-8-19 2497 Siskiyou s. side Caribou Lake; Coffee Creek Quad., Caribou Lake 2103 Comment
  UC30112  Lilium bolanderi W. C. Blasdale Jul 1899 1073 Siskiyou Siskiyou Mts. Comment
  JEPS61988  Lilium columbianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC130819  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  HSC66400  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow 1646 Comment
  RSA264948  Lilium washingtonianum Gilbert Muth 1975-7-30 6048 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  SEINET8480955  Lilium washingtonianum W. Roderick 1967-7-28 s.n. Siskiyou SW side of Mount Shasta. 1372 Comment
  CAS-BOT-BC133019  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-4 5546 Siskiyou Etna Creek, on road from Sawyers Bar to Etna Comment
  JEPS62032  Lilium washingtonianum subsp. washingtonianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  UC984811  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer and L. Beane Jul 1951 186 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC133097  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-7-22 1301 Siskiyou Sisson Comment
  UC971774  Linanthus bolanderi Douglas Horn 1938-4-17 45 Siskiyou e of Etna (on the e side of Scott Valley); Scott Valley 883 Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  HSC30489  Linnaea borealis subsp. longiflora Frederick W. Oettinger 1969-8-9 1319 Siskiyou Stream crossing of N Fork River enroute to Abbott's Upper Cabin, Salmon Mtns. 1357 Comment
  HSC18961  Listera caurina J. O. Sawyer 1969-7-26 1588 Siskiyou Along Sugar Creek 1707 Comment
  CAS-BOT-BC36535  Lithocarpus densiflorus var. echinoides L. R. Abrams 1922-8-7 9920 Siskiyou Shasta springs Comment
  CAS-BOT-BC36537  Lithocarpus densiflorus var. echinoides W. R. Dudley 1905-8-4 s.n. Siskiyou South spur of Mt. Eddy Comment
  RSA697649  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  UC585241  Lithocarpus densiflorus var. echinoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1982 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  CAS-BOT-BC432289  Lithophragma affine Geo. D. Butler unspecified 687 Siskiyou Shasta Rim hills Comment
  SEINET6032583  Lithophragma parviflorum G. D. Butler 1910-5-8 1307 Siskiyou Near Yreka Comment
  HSC71190  Lolium perenne M. A. Baker 1980-6-20 2223 Siskiyou Near Bald Mtn. 1036 Comment
  UC923160  Lomatium macrocarpum Freed W. Hoffman 1950-7-13 3287 Siskiyou Baldy Mountain Lookout North Coast Ranges, western Siskiyou Co. Comment
  UCR37581  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  JEPS116613  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -010 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73, 4 miles NE of town of Weed Mt. Shasta 1090 Comment
  RSA237411  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 986 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SD98968  Lomatium marginatum Darley F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada 1220 Comment
  CHSC88783  Lomatium nudicaule Jenny Marr 1993-7-1 192 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  HSC38864  Lomatium nudicaule J. P. Smith 1973-5-5 6463 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA30660  Lomatium peckianum Lincoln Constance, R. Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
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Apr 26 2007
  UC1552568  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2112 Siskiyou 5 1/2 mi NW of Weed (0.1 mi N of Edgewood Road on access road to Airport & Freeway Rest Area, E side of frontage road, 100 yds E of Hwy I-5) 893 Comment
  SEINET11131417  Lomatium triternatum var. triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  LA205969  Lonicera conjugialis W. B. C.; 1939-7-7 sn Siskiyou Mount Shasta, between Wagon Camp and Bear Springs 1615 Comment
  RSA105386  Lonicera conjugialis G. D. Barbe 1955-7-6 130 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UCSB24823  Lonicera conjugialis Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1706 Comment
  RSA602929  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek. Comment
  RSA138228  Lonicera hispidula var. vacillans P. C. Everett, E. K. Balls 1959-10-24 23943 Siskiyou 3 miles SW from Red Bank F.S. Camp along road from Sawyers Bar to Somes Bar. 518 Comment
  POM46730  Lonicera interrupta E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon. Comment
  RSA181624  Lonicera involucrata Dorothy Parker 1950-6-7 456 Siskiyou Scott River. 854 Comment
  SEINET3131483  Lotus denticulatus G. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek Comment
  POM27604  Lotus douglasii Geo. D. Butler 1909-5-23 777 Siskiyou Near Yreka Comment
  UC163679  Lotus humistratus Geo. D. Butler 1910-7-3 1623 Siskiyou Goosenest foothills Goosenest 1219 Comment
  RSA105331  Lotus nevadensis G. D. Barbe 1955-6-28 011 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  UCR94141  Lotus nevadensis var. nevadensis N. A. Alexander, N. F. McBain, J. A. Alexander 1995-6-30 423 Siskiyou Lime Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 mi. W (293 deg. ) of intersection with Interstate Hwy 5, near Clyburn home (1917-1966). 518 Comment
  UC454685  Lotus oblongifolius var. oblongifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  JEPS55748  Lotus purshianus var. purshianus W. L. Jepson Jul 1894 13777 Siskiyou Sisson Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  CAS-BOT-BC140209  Luetkea pectinata Annie M. Alexander; Louise Kellogg 1949-7-29 5895 Siskiyou Near Hidden Lake above Sky High Lake. Sky High Valley, Marble Mountains 1859 Comment
  CAS-BOT-BC140210  Luetkea pectinata R. F. Thorne; Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  CAS-BOT-BC140246  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Trail from Big Rock Camp to Jump off, Marble Mountain Wilderness Area 1981 Comment
  RSA237597  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC922373  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-22 5838 Siskiyou on trail to Kings Castle; Marble Mountains, Paradise Lake 1996 Comment
  CAS-BOT-BC342566  Luina hypoleuca Doris K. Kildale 1928-8-19 6526 Siskiyou Trail between English Lake & Hancock Lake on way to Marble Mt. 2133 Comment
  RSA119499  Lupinus C. P. Smith 1947-5-13 47269 Siskiyou 2.6 miles east of Weed. Highway 97. Comment
  HSC89805  Lupinus albicaulis D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  POM24891  Lupinus albicaulis var. shastensis Geo. D. Butler 1909-6-23 913 Siskiyou Goosenest foothills. 1524 Comment
  RSA11951  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3853 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. 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-BC196042  Lupinus albifrons var. collinus Alice Eastwood; John Thomas Howell 1934-4-21 1800 A Siskiyou Shasta City Comment
  HSC78218  Lupinus andersonii L. P. Janeway 1983-8-6 504 Siskiyou At Poker Flat. NW edge of Meadow along the road. 1524 Comment
  SEINET10484722  Lupinus arbustus subsp. silvicola Katherine L. Morris 1973-5-25 Morris 280 Siskiyou 4.2 miles ne of the junction of hwy 5 and 97 on hwy 97 in an area of purshia, Artemisia, sparse yellow pine, and arctostaphylos Comment
  CAS-BOT-BC8427  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  RSA91209  Lupinus argenteus var. argenteus F. W. Peirson 1923-7-19 3609 Siskiyou Lairds Landing. Comment
  HSC70490  Lupinus croceus J. P. Smith, Steve Selva 1970-6-15 3971 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC1481286  Lupinus croceus M. L. Conrad, LeDoux, and Kenney 1973-6-2 6981 Siskiyou 6 mi sw Callahan; sw of Callahan 1524 Comment
  RSA790240  Lupinus croceus Rebecca Wenk 2005-7-15 229 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail, near mines. 2104 Comment
  UC1090384  Lupinus croceus Milo S. Baker 1957-6-16 13146 Siskiyou Forested Canyon rd side North Coast Ranges 1219 Comment
  UC1481294  Lupinus croceus var. pilosellus M. L. Conrad, Dunn, and Kenney 1973-6-2 6988 Siskiyou on road to Callahan, ne Cecilville Store; ne of Cecilville Store 2072 Comment
  SEINET7040263 Image available Lupinus densiflorus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  SD125501  Lupinus klamathensis Melvin L. Conrad, D. B. Dunn, P. Kenney 1973-6-2 6972 Siskiyou 1.1 mile from I-5 on Hwy 3 SW of Yreka, in open exposed area, gravelly roadside 914 Comment
  CAS-BOT-BC202057  Lupinus lapidicola Marck Menke 1999-7-9 65 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  HSC63293  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, .8 k. SE of Tickner (Peak) 2100 Comment
  UC796665  Lupinus lepidus var. sellulus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11759 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  UC922412  Lupinus lepidus var. sellulus Annie M. Alexander and Louise Kellogg 1949-7-22 5841 Siskiyou trail to Kings Castle; Marble Mountains, Paradise Lake 2072 Comment
  UC727081  Lupinus lepidus var. sellulus A. A. Heller 1938-7-12 15259 Siskiyou along the old U.S. Highway #97 to Bray near the eastern base Deer Mountain; near eastern base of Deer Mountain 1432 Comment
  SBBG3659  Lupinus leucophyllus H. and M. Dearing 1939-6-3 3539 Siskiyou near Scott Bar Comment
  UC157000  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou near Yreka; near Yreka Comment
  RSA331949  Lupinus obtusilobus Dave Kelly, Walter Wisura, A. Kelly 1985-7-31 4087 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  JEPS65410  Lupinus onustus J. G. Lemmon July, 1879 Siskiyou Indian Valley to Shasta; Indian Valley to Shasta Comment
  RSA582436  Lupinus rivularis Louis C. Wheeler 1935-7-26 3707 Siskiyou Siskiyou Mts.; Jaynes Canyon 1951 Comment
  POM11085  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-9-11 1867 Siskiyou [Unspecified] Comment
  JEPS67168  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  HSC30722  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Marble Mtn Wilderness Area, where old Tanner's Peak Trail meets English Peak Trail along ridge heading to the peak 2165 Comment
  HSC632  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  HSC69538  Luzula parviflora Maralyn A. Renner 1980-8-6 2250 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA605981  Luzula parviflora L. C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  SEINET3155225  Lythrum adsurgens G. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  RSA0015089  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  SEINET2121892  Machaeranthera canescens M. L. Carson 1968-12-8 1294 Siskiyou US Highway 97 ca. 20 mi S of Macdoel and 7.8 mi N of junction of road to Yreka at Yellow Butte, close to Mount Shasta viewpoint before going down a long hill 1430 Comment
  RSA237494  Madia bolanderi Frederick W. Oettinger 1967-8-21 312 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  JEPS40212  Madia citriodora Geo. D. Butler 1908-5-14 698 Siskiyou Klamath River Comment
  CAS-BOT-BC344540  Madia exigua Lewis S. Rose 1945-6-18 45066 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC75680  Madia exigua Vernon H. Oswald; Lowell Ahart 1999-7-5 9794 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. Roadside. 914 Comment
  CAS-BOT-BC344545  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  JEPS69752  Madia gracilis W. B. and V. G. Cooke 1972-7-6 45454 Siskiyou along Mud Creek Dam road Mt. Shasta 1066 Comment
  UCR45390  Madia gracilis D. H. Norris 1970-5-23 12233 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  RSA0034413  Madia gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  RSA238989  Maianthemum racemosum Frederick W. Oettinger 1966-6-27 29 Siskiyou 400 yeards up road from Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  CAS-BOT-BC512762  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1923-5-20 11870 Siskiyou Shasta Springs Comment
  CAS-BOT-BC514182  Maianthemum stellatum H. E. Brown 1897-6-1 340 Siskiyou Near Mount Shasta 2133 Comment
  SEINET11601609 Image available Malacothrix floccifera L. Constance 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 914 Comment
  CAS-BOT-BC348079  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC43365  Medicago minima N. G. Sugihara 1977-5-28 87 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  CAS-BOT-BC271163  Melica W. R. Dudley 1899-7-5 s.n. Siskiyou Near Bartlett Trail, Preston's Peak, Siskiyou Mountains Comment
  UCD86255  Melica aristata A. A. Heller 1921-7-5 13563 Siskiyou Chico State College grounds. North of Sisson (Mt. Shasta City). Comment
  CAS-BOT-BC271213  Melica bulbosa Jason Swallen 1939-7-21 13735 Siskiyou Above Wagon Camp, Mount Shasta 1767 Comment
  HSC76712  Melica bulbosa K. T. Stillman 1976-7-30 344 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  SEINET10860810  Melica californica Lincoln Constance, Reed C. Rollins 1942-5-14 Constance 2934 Siskiyou Basaltic slope with Ceanothus, Schmaltzia, Toxicodendron and Artemisia, Pinus ponderosa-Juniperus association. Shasta River 6 miles north of Yreka. 762 Comment
  HSC42962  Melica harfordii J. O. Sawyer, K. T. Stillman 1976-5-30 2758 Siskiyou Along Specimen Creek. 915 Comment
  POM299029  Melica harfordii Marion Ownbey, Fred G. Meyer 1940-7-7 2217 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  UCD88597  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3436 Siskiyou 5 miles northeast of Happy Camp. Above Klamath River. Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  SEINET3416626 Image available Micranthes ferruginea Rimo Bacigalupi, Lincoln Constance & L. Heckard 1960-7-20 7448 Siskiyou Siskiyou Mountains; Poker Flat (about 12 air miles northwest of Happy Camp) 1524 Comment
  CAS-BOT-BC429034  Micranthes nidifica Roxana S. Ferris; Laura Lorraine 1948-6-12 11774 Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  UC2015375  Microseris laciniata subsp. siskiyouensis K. L. Chambers 1964-7-10 2242 Siskiyou Hwy. 199, 5.0 mi by road up the Smith River from Patricks Creek Guard Staation. Comment
  CAS-BOT-BC349376  Microseris nutans Elmer I. Applegate 1935-6-8 9417 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  JEPS75973  Microseris nutans William J. Ferlatte 1974-7-14 1523 Siskiyou U.S.F.S. Campground at Big Flat; Trinity Alps. 1524 Comment
  HSC17119  Microsteris gracilis R. C. Wunner 1965-6-29 306 Siskiyou Lava Beds National Monument, below upper Caldwell Ice Cave along fire rd. 1433 Comment
  JEPS120238  Mimulus Julie Kierstead Nelson with Brenna Montagne 2012-9-10 2012 -098 Siskiyou Coonrod Flat, east side of Mount Shasta Comment
  POM43383  Mimulus alsinoides Geo. D. Butler 1910-3-13 1129 Siskiyou Klamath River Comment
  HSC36529  Mimulus breweri J. O. Sawyer 1969-6-13 1104 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC61897  Mimulus breweri Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS29094  Mimulus breweri Lauramay T. Dempster 1961-7-2 1864 Siskiyou ridge w Salmon Mountain Summit (sw of Etna) 1828 Comment
  JEPS2965  Mimulus layneae W. L. Jepson 1940-7-1 20078 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 975 Comment
  UC1112264  Mimulus layneae R. C. Bacigalupi with S. Galen Smith 1957-6-25 5929 Siskiyou s Weed (just w of Black Butte railroad junction) Comment
  UCR137198  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Marble Mtns., Klamath National Forest, Marble Valley Summit Trail 2134 Comment
  RSA211433  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  HSC44938  Mimulus moschatus J. O. Sawyer 1978-6-19 3244 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  RSA237574  Mimulus moschatus var. moniliformis Frederick W. Oettinger 1967-8-20 289 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 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
  HSC68583  Mimulus nanus var. nanus Maralyn A. Renner 1980-6-24 1064 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS32001  Mimulus nanus var. nanus W. B. and V. G. Cooke 1963-7-10 34263 Siskiyou n side Mt. Shasta (Bolam Road) Comment
  RSA59506  Mimulus nanus var. nanus E. K. Balls 1950-5-16 14708 Siskiyou Caldwell Butte, east slope. Lava beds Nat'l Monument. 1646 Comment
  POM252820  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mile south of Bray. 1402 Comment
  HSC71101  Mimulus primuloides Thomas W. Nelson, J. P. Smith, Jane P. Nelson 1978-7-24 4507 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  RSA12576  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 0.5 mi. south of Wagon Camp. South slope of Mt. Shasta. 1524 Comment
  UCD77258  Mimulus primuloides Robert E. Preston 2001-7-20 1700 Siskiyou Klamath National Forest, Rainbow Mountain, N of Hemlock Lake. 1676 Comment
  HSC429  Mimulus pulsiferae William J. Ferlatte 1967-6-30 586 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC68551  Minuartia douglasii Maralyn A. Renner 1980-6-8 801 Siskiyou Slopes E of Hwy. 3 1341 Comment
  CAS-BOT-BC174734  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  HSC70603  Minuartia nuttallii J. O. Sawyer, R. J. Cole 1981-7-2 4150 Siskiyou Near Scott Mtn. Campground 1585 Comment
  HSC69000  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-7-28 2163 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  POM151712  Minuartia nuttallii subsp. gregaria E. B. Copeland 1903-9-7 3870 Siskiyou Mt. Eddy. 2317 Comment
  UC1586849  Minuartia nuttallii subsp. gregaria Juha Pykala and D. H. Norris 1987-6-26 2004 Siskiyou n Sulphur Springs (between Doolittle Creek and Stanza Creek, e tributaries of Eel Creek); Klamath National Forest 1400 Comment
  UC852409  Minuartia nuttallii subsp. gregaria A. A. Heller 1915-8-26 12219 Siskiyou near source of Wagon Creek (on canyon at upper limit of Pinus monticola); Nt. Eddy 2590 Comment
  UC1190268  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou China Creek; diversion dam 1097 Comment
  UC165271  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  UC30026  Mitella diversifolia Harley P. Chandler June, 1901 1555 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC530062  Mitella diversifolia Louis C. Wheeler 1934-7-12 2899 Siskiyou Cottonwood Creek Siskiyou Mts. 1066 Comment
  CAS-BOT-BC433063  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC433074  Mitella trifida Doris K. Kildale 1928-7-2 5413 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC99251  Mitella trifida G. L. Clifton 1979-7-1 6176 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC29428  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Marble Mtn. Wilderness Area, head of Pierce's Draw 1829 Comment
  RSA48003  Mitella trifida Roxana S. Ferris 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  UCD98356  Moehringia macrophylla Jeff Kennedy 1994-4-24 1 Siskiyou Four-acre private parcel, 1.1 air miles W of the Ctrl. Mt. Shasta exit from Interstate 5; 0.5 air miles W of Mt. Shasta State Fish Hatcher, S of W end of Melo Road (off of Old Stage Road); W of and adj. to Wagon Creek; E of ranch with large stock pond. 1042 Comment
  LA62572  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  SFV3187  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1921 Comment
  HSC44616  Monardella odoratissima Laura Witherspoon 1977-7-13 Siskiyou Periphery of Flint Valley 1341 Comment
  CAS-BOT-BC222035  Monardella odoratissima subsp. glauca Alice Eastwood 1912-8-30 1987 Siskiyou Mount Eddy Comment
  SBBG25897  Monardella odoratissima subsp. pallida D. Myrick 1966-8-8 1497 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC2035914  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-7-12 15349 Siskiyou Along the Sisson Southern Trail near the S. S. Trail spring, Mount Shasta Comment
  SEINET10582081  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 345 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  HSC60798  Monardella purpurea Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA0022805  Monardella villosa Edward Palmer 1892-7-13 2508 Siskiyou Mt. Shasta and vicinity. Comment
  SEINET13948723 Image available Monardella villosa E. K. Balls 1949-1 13906 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 5750 ft alt. 1753 Comment
  CAS-BOT-BC445111  Montia linearis James P. Smith 1974-5-25 7472 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3. 1158 Comment
  CAS-BOT-BC7353  Montia obtusata Amos Arthur Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC445207  Montia parvifolia John Thomas Howell 1939-8-5 15062 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC64785  Montia parvifolia J. P. Smith, Steve Selva 1970-6-15 3910 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC445214  Montia parvifolia Lillian Mott 1976-6-6 22 LM76 Siskiyou Road between Seiad Valley and Cook & Green Pass, Klamath River canyon 670 Comment
  SEINET7296346 Image available Muhlenbergia andina Beecher Crampton 1956-1 3837 Siskiyou Boulder strewn, wet banks of a mountain stream, lower slopes of White Ridge, canyon of the south fork of the Sacramento River. 1372 Comment
  UC711878  Muhlenbergia asperifolia Roxana S. Ferris and Laura Lorraine 1941-8-11 10502 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  CHSC61581  Muhlenbergia filiformis L. P. Janeway 1983-9-11 663 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Along the dirt road. 1524 Comment
  JEPS120259  Muhlenbergia filiformis Julie Kierstead Nelson 2011-8-23 2011 -45 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  RSA239108  Muhlenbergia filiformis Frederick W. Oettinger 1969-8-22 1492 Siskiyou Horse Hole pond, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD86612  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  CDA34725  Myosotis laxa L. Ahart, John Dittes 2010-7-3 16944 Siskiyou About 30 yards south the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 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. Comment
  CHSC88118  Myosurus minimus Jenny Marr 1993-7-1 128 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA77513  Myriophyllum sibiricum Louis C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi. NW Montague. 762 Comment
  JEPS1429  Nama densa W. L. Jepson 1940-6-23 19991 Siskiyou e Mayten (e side Little Shasta Valley); , e of Mayten 883 Comment
  UC57351 Image available Nama densa J. G. Lemmon and Mrs. Lemmon 1889-7-28 Siskiyou near Edgewood; ; near Edgewood, Siskiyou Co. Comment
  CHSC96709  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  JEPS101669  Navarretia heterandra Dean W. Taylor 1999-6-9 17244 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC1191629  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake Comment
  UC538023  Navarretia linearifolia subsp. linearifolia Louis C. Wheeler 1934-6-22 2771 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 1005 Comment
  UCD48626  Navarretia pubescens Robert E. Preston 1995-6-18 879 Siskiyou CA: Siskiyou Co.; ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  UC880876  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Yreka Creek , Yreka Creek (Siskiyou Mts.) 853 Comment
  RSA211323  Nemophila parviflora var. austiniae William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail. 1982 Comment
  HSC93079  Nemophila pedunculata Jennifer Whipple 1976-7-2 1278 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS109401  Nepeta cataria Dean W. Taylor 2004-7-19 19183 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UC904783  Nicotiana attenuata unknown 1949-8-26 25656 Siskiyou near Bolam Station (along old logging road); Mount Shasta Comment
  HSC20458  Nicotiana attenuata D. M. Thomson 1965-8-4 163 Siskiyou Lava Beds National Monument, Black Crater trail, close to main road Comment
  UCD126706  Nicotiana attenuata P. Quentin Tomich 1954-6-18 441 Siskiyou Indian Well, Lava Beds National Monument. 1463 Comment
  CHSC81484  Nitrophila occidentalis Ann Willyard 2000-6-21 418 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  UCD102186  Noccaea fendleri subsp. californica Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Mountain House. Klamatah National Forest. Scott Mountains. Rail Creek Road. Kangaroo Lake. Kangaroo Lake Botanical Area. 1850 Comment
  HSC68982  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-7-24 2056 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC60580  Noccaea fendleri subsp. glauca Geo. D. Butler 1908-8-5 129 Siskiyou Summit above Cold Spring Wooley Creek. Comment
  RSA237486  Nothocalais alpestris Frederick W. Oettinger 1967-8-17 272 Siskiyou Crapo Peak Ridge where trail crosses it. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  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
  UC595100  Nothochelone nemorosa David D. Keck 1938-8-6 4821 Siskiyou Poker Flat, on n slope just se of summit, Siskiyou Mountains Poker Flat; Siskiyou Mountains, Poker Flat 1402 Comment
  RSA238825  Nothochelone nemorosa Frederick W. Oettinger 1967-7-30 225 Siskiyou Between Abbott's Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS40273  Nuphar lutea subsp. polysepala Geo. D. Butler 1908-8-3 525 Siskiyou Log Lake Comment
  HSC41047  Oemleria cerasiformis J. O. Sawyer 1970-3-4 2066 Siskiyou N of Idlewild Campground 762 Comment
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Mar 12 2012
  CHSC1155  Oenothera elata subsp. hirsutissima K. Jaekel; N. Jaekel 1939-7-14 Siskiyou Near Mt. Shasta. 1097 Comment
  CHSC26182  Oenothera villosa subsp. strigosa J. P. Kroessig 1977-8-5 47 Siskiyou Along e margin of Everitt Memorial Hwy., between hwy entrance and Penny Pines Plantation, ca. 3 km n of Mt. Shasta City. 1220 Comment
  RSA201753  Olsynium douglasii Sandra Holloway 1963-4-9 18 Siskiyou Road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99 762 Comment
  UC164241  Olsynium douglasii var. douglasii Geo. D. Butler 1909-3-14 561 Siskiyou hills near Yreka Comment
  CDA20567  Onopordum tauricum C. Pirosko 2005-7-29 PDR 1303860 Siskiyou Klamath Ranges; Schoolhouse Rd in eastern Siskiyou County, near Hwy 97. 0 Comment
  CDA7576  Onopordum tauricum T. C. Fuller 1960-6-3 4648 Siskiyou F. Voelker property, west edge of Meiss Lake Basin just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  RSA128657  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris Comment
  HSC71106  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4503 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS123404  Oreostemma alpigenum var. andersonii Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -123 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  RSA0059425  Orobanche fasciculata Frederick W. Oettinger 1969-7-28 1092 Siskiyou HIgh lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Hairpin switchback along trail from Tom Taylor Cabin to Pine Lake. 2004 Comment
  CAS-BOT-BC458092  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  SD230221  Orthilia secunda Louis C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC458078  Orthilia secunda Milo S. Baker 1926-8-21 307 -26 Siskiyou Near Sulphur Springs, 9.5 miles from Mineral 2072 Comment
  UCR40028  Orthocarpus copelandii var. copelandii T. Worley, M. Mill, F. Rosenthal 1985-6-1 84 Siskiyou Shasta-Trinity National Forest, Scott Mountain 1829 Comment
  CHSC1813  Orthocarpus cuspidatus subsp. copelandii K. Jaekel 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  RSA237570  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou East of Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCSB24668  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mtns. south of Calahan Comment
  POM43391  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest Foothills. 1524 Comment
  SEINET10913365 Image available Orthocarpus pachystachyus Edward L. Greene 1876-5-26 Greene 813 Siskiyou Collected near Yreka. Siskiyou County. Comment
  HSC69285  Osmorhiza berteroi Maralyn A. Renner 1980-7-24 1952 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC91161  Osmorhiza berteroi Jennifer Whipple 1977-7-22 2050 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  RSA68878  Osmorhiza berteroi A. E. Culbertson 1943-7-1 78 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  SEINET11141888  Osmorhiza occidentalis G. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek. 1219 Comment
  SD88391  Ozomelis trifida Darley F. Howe 1972-7-5 4875 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  JEPS26959  Packera cana W. L. Jepson 1940-6-23 20007 Siskiyou n of Mt. Shasta (near Andesite station) 975 Comment
  JEPS94100  Panicum capillare Vernon H. Oswald and Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir; Julia Glover Flat 1112 Comment
  POM198349  Panicum capillare Geo D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  UCD89493  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest of Mt. Shasta City. Along Castle Lake Road 1036 Comment
  CAS-BOT-BC253811  Panicum dichotomiflorum Henry Pollard 1956-10-7 s.n. Siskiyou Klamath River on Spink's Ranch at Roger's Creek about 5 miles above Somes Bar Comment
  CAS-BOT-BC175610  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  POM137034  Paxistima myrsinites E. B. Copeland 1903-9-6 3880 Siskiyou Mt. Eddy. 1402 Comment
  POM228954  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  HSC685  Pedicularis attollens William J. Ferlatte 1967-8-20 1063 Siskiyou Caribou Basin 1982 Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC266638  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6573 Siskiyou Hancock Lake, on trail to Marble Mountains 2133 Comment
  UC922551  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1948-9-9 5612 Siskiyou Trail to Taylor Lake (near top of trail); Siskiyou Mountains Comment
  JEPS80561  Pedicularis contorta Gilbert Muth 1965-8-6 180 Siskiyou backside of Black Mountain; , Marble Mountain Wilderness Area 2072 Comment
  RSA183698  Pedicularis contorta Gilbert Muth 1965-8-6 181 Siskiyou Marble Mountains; backside of Black Mountain Comment
  HSC20918  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek, Salmon Mtns. range 1677 Comment
  UC672571  Pedicularis densiflora Dorothy Tebbe 1930-3-28 61 Siskiyou near Weed Comment
  LA209462  Pedicularis densiflora Joseph Andorfer Ewan; 1939-6-30 13558 Siskiyou Mount Shasta, Long the MacBride Springs Road Comment
  CHSC99995  Pedicularis howellii L. P. Janeway 2008-7-25 9499 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1834 Comment
  JEPS3356  Pedicularis racemosa H. W. Furlong Sept., 1901 Siskiyou Summit to Ager Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  IRVC4790  Pellaea brachyptera William B. Cooke 1941-9-5 16275 Siskiyou MacBride Springs Mt. Shasta Comment
  RSA87592  Pellaea brachyptera Arthur R. Kruckeberg 1951-9-3 2802 Siskiyou On open dirt road above Joe Spini Ranch, just west of town of Mount Shasta, across river, between Wagon Creek and Deer Creek Bridges Comment
  HSC44951  Pellaea breweri J. O. Sawyer 1978-6-16 3214 Siskiyou Marble Mtn. Wilderness Area slopes 1829 Comment
  JEPS26526  Penstemon anguineus Lauramay T. Dempster 1961-7-2 1865 Siskiyou sw Etna (just ne of Salmon Summit); ne of Salmon Summit, sw of Etna 1828 Comment
  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
  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
  JEPS74563  Penstemon anguineus W. J. Ferlatte 1966-8-5 325 Siskiyou n side Caribou Mtn Trinity Alps, n side of Caribou Mtn 1981 Comment
  NY571152  Penstemon azureus var. azureus R. Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280.2 Comment
  JEPS44101  Penstemon cinereus W. B. and V. G. Cooke 1965-7-12 35173 Siskiyou along the Bolam Road Mt. Shasta, Bolam Road Comment
  RSA17739  Penstemon cinereus Elmer I. Applegate 1935-6-5 9344 Siskiyou Skull Cave, Lave Beds National Monument. Comment
  CLARK-A1528-1220  Penstemon davidsonii John C. Roos 1948-9-1 3983 Siskiyou Etna Comment
  NY591454  Penstemon davidsonii var. davidsonii E. I. Applegate 1931-6-24 6806 Siskiyou Near summit of ridge between Modoc Lava Beds and Medicine Lake. Comment
  UC139723  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3048 Comment
  JEPS11237  Penstemon deustus var. deustus Geo. D. Butler 1908-7-12 434 Siskiyou w Yreka (Humbug Mt.); , w of Yreka 1219 Comment
  NY609829  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-17 26169 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  CHSC30239  Penstemon gracilentus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3262 Siskiyou Little Mt. Hoffman, n side. 2225 Comment
  CHSC66547  Penstemon gracilentus Vernon H. Oswald 1996-7-12 8003 Siskiyou On Mt. Shasta 0.5 mi N of Everitt Memorial Hwy. (A10) on the road to Sand Flat. 2026 Comment
  HSC20971  Penstemon humilis subsp. humilis D. M. Thomson 1965-6-19 102 Siskiyou Lava Beds National Monument, 0.5 mi. S of Merril Ice Cave, on fire road Comment
  HSC20973  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 155 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  RSA17740  Penstemon humilis var. humilis Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells; Lava Beds Nat'l Monument Comment
  NY603842  Penstemon humilis var. humilis E. I. Applegate 1931-6-24 6804 Siskiyou Between Bear Paw Cave, Modoc Lava Beds, and Medicine Lake Comment
  JEPS83891  Penstemon laetus var. sagittatus Wayne Roderick Jul 1976 Siskiyou along Copper Butte Trail Siskiyou Mountains Comment
  NY604555  Penstemon laetus var. sagittatus K. A. Vincent 1987-8-12 4510 Siskiyou Cascade Range, Mount Shasta; along east side of US 97, ca. 5.1 miles northeast of jct. I-5 Business Loop in Weed. 1158.2 Comment
  RSA29475  Penstemon laetus var. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  UCD69102  Penstemon laetus var. sagittatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-11 s.n. Siskiyou Siskiyou: Mount Shasta-Shasta Peak. J. Everitt Memorial Highway. White fir forests (Castanopsio sempervirentis-Abietetum lowianae Rivas-Martinez and Sanchez-Mata 1997). 1520 Comment
  CHSC31046  Penstemon newberryi M. S. Taylor; W. Overton 1980-7-8 3089 Siskiyou On n side of 40N43 at point in rd, ca. 2.4 mi w of its jct with 40N26 at w end of Lake Siskiyou. 1341 Comment
  RSA211463  Penstemon newberryi William J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  HSC23  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin 1677 Comment
  HSC4838  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-22 538 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC4839  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-9 412 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  LA28971  Penstemon newberryi var. newberryi E. B. Copeland; 1903-7-17 3510 Siskiyou Mt Shasta 1828 Comment
  CAS-BOT-BC94477  Penstemon parvulus R. C. Wenk 2005-7-19 346 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  RSA238763  Penstemon parvulus Frederick W. Oettinger 1967-8-13 263 Siskiyou 1/8 miles east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2037 Comment
  HSC19134  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-7-10 1285 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC60465  Penstemon procerus var. brachyanthus Carl Wishner 1978-7-19 549 Siskiyou Sandy Ridge trail 11W21E, Monument Lake, Marble Mtn. Wilderness 1768 Comment
  HSC91117  Penstemon roezlii Jennifer Whipple 1976-7-9 1396 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  NY651257  Penstemon rydbergii var. oreocharis P. Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Highway 97 Comment
  CAS-BOT-BC6686  Penstemon rydbergii var. varians David Daniels Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  RSA233702  Penstemon shastensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38971 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  UC1312906  Perideridia bolanderi subsp. bolanderi L. Constance and T. I. Chuang 1967-7-22 3801 Siskiyou 4 mi s Callahan (n slope of mt.); Scott Mountain 1371 Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
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Jun 12 2012
  HSC69081  Perideridia howellii Maralyn A. Renner 1980-8-4 2220 Siskiyou Flint Valley 1390 Comment
  UC1312871 Image available Perideridia leptocarpa L. Constance, T. I. Chuang and Fei-Mei Chuang, M. Sousa 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (slope above Trinity River); Trinity River; NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  SEINET12122372  Perideridia oregana Unknown 1986-1 60331 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Rd (45N22) at int with rds to Davis Gulch, 1018 Comment
  CAS-BOT-BC423356  Peritoma platycarpa L. E. Smith 1912-7-1 s.n. Siskiyou Montague Comment
  CAS-BOT-BC419261  Persicaria maculosa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch, at Roger's Creek, Somes Bar Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  UC60932  Petasites frigidus var. palmatus Geo. B. Grant Sep 1902 5253 Siskiyou Shasta Springs Mount Shast 609 Comment
  RSA0003819  Phacelia cookei L. R. Heckard, Constance, Ornduff 1969-6-24 2294 Siskiyou N of Mt. Shasta, junc. of old Military Pass Rd. and U.S. Hwy. 97. Comment
  RSA30618  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-13 2900 Siskiyou Klamath River near Clear Creek, eight miles south of Happy Camp. 305 Comment
  HSC75157  Phacelia greenei Unknown Siskiyou 1433 Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  JEPS107411  Phacelia heterophylla subsp. virgata Lowell Ahart, John Dittes 2005-6-9 12026 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
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  HSC2372  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat, near public camp 1524 Comment
  HSC78199  Phacelia mutabilis L. P. Janeway 1983-8-28 644 Siskiyou At Poker Flat, dry NE edge of lower portion of meadow. 1524 Comment
  POM299318  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  JEPS80594  Phacelia procera Gilbert Muth 1966-8-3 496 Siskiyou off trail to 4 corners Marble Mt. Wilderness Area, Marble 1792 Comment
  RSA715804  Phacelia ramosissima var. ramosissima L. Ahart, John Dittes 2005-6-10 12084 Siskiyou About 50 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  CDA30917  Phalaris arundinacea M. Beyers, G. F. Hrusa 2010-8-18 702 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  UC570849  Philadelphus lewisii Dorothy Tebbe 1929-7-9 28 Siskiyou White's Gulch Salmon Mountains, Salmon River Comment
  CAS-BOT-BC250787  Phleum alpinum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  JEPS82419  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area; , Marble Valley horse pasture 1792 Comment
  HSC4773  Phleum pratense William J. Ferlatte 1966-8-16 372 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  UC1037381  Phleum pratense Douglas Barbe 1955-7-5 109 Siskiyou on highway to Fort Jones at Greenview city limits (s side of road); Klamath Mountains 883 Comment
  UC1408778  Phlox adsurgens Frederick W. Oettinger and R. F. Thorne 1969-8-6 1240 Siskiyou Pine Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  UC643265  Phlox caespitosa unknown 1940-7-26 15382 Siskiyou w side Shastina; Mount Shasta Comment
  HSC19155  Phlox diffusa J. O. Sawyer 1969-7-24 1484 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  SD114161  Phlox diffusa Darley F. Howe 1979-6-26 5110 Siskiyou Military Pass Road, 19 miles east of Highway 97. 1768 Comment
  POM75617  Phlox diffusa subsp. diffusa Geo D. Butler 1910-7-8 1688 Siskiyou Shakleford Creek 1372 Comment
  RSA83077  Phlox diffusa subsp. diffusa Verne Grant, Alva Grant 1947-6-5 7977 Siskiyou Modoc Lava Beds Comment
  CDA40279  Phlox speciosa subsp. nitida R. P. Allen 1952-5-15 s.n. Siskiyou Dunsmuir. 0 Comment
  CHSC4633  Phlox speciosa subsp. occidentalis R. Carter 1966-5-15 414 Siskiyou 5.3 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd., growing on E side of road on slope above road. Comment
  JEPS69984  Phlox speciosa subsp. occidentalis J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC585232  Phlox speciosa subsp. occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1943 Siskiyou 8 mi s Yreka 822 Comment
  POM255838  Phoenicaulis cheiranthoides Marion Ownbey, Ruth Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles NW of Dry Lake Lookout. Comment
  RSA431456  Phoenicaulis cheiranthoides L. C. Wheeler 1934-8-9 3078 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. (Mt. Diablo Mer.) 1921 Comment
  UC618793  Phoradendron libocedri W. Bridge Cooke 1938-8-19 11520 Siskiyou Mt. Shasta, Bear Springs Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UCSB27387  Phyllodoce empetriformis Wilken, Dieter 1969-7-26 Siskiyou Panther Meadows, near the summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  HSC76935  Physaria occidentalis K. T. Stillman 1976-8-7 381 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  CAS-BOT-BC60773  Physaria occidentalis Edwin Bingham Copeland 1903-7-6 s.n. Siskiyou Cottonwood Creek, Hornbrook. Comment
  CAS-BOT-BC140600  Physocarpus capitatus Carl B. Wolf 1927-8-26 1072 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC140605  Physocarpus capitatus L. E. Smith 1913-6-12 352 Siskiyou Road between Sisson and Castle Lake Comment
  RSA105421  Physocarpus capitatus G. D. Barbe 1955-6-29 45 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  UC1409271  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou cliffs above Hell Hole (near Hancock Lake, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UCD134305  Picea breweriana G. L. Stebbins 1963-7-5 s.n. Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC73434  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges - Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian. 1432 Comment
  UC718127  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River 0.3 mi below Walker Creek Klamath River 426 Comment
  HSC4807  Pinus balfouriana J. O. Sawyer 1968-7-9 406 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA215637  Pinus balfouriana Gilbert Muth 1969-8-10 1355 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  CAS-BOT-BC78412  Pinus balfouriana Milo S. Baker Aug 8 246 a-'26 Siskiyou Saddle bet. Red Mt and Granite 2286 Comment
  CAS-BOT-BC73262  Pinus contorta var. latifolia H. A. Thomas 1954-7-24 4516 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC32544  Pinus contorta var. murrayana Steven Lagos 1974-5-26 81 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 57 2073 Comment
  CAS-BOT-BC78719  Pinus jeffreyi Doris K. Kildale 1929-8-23 8801 Siskiyou Young's Valley, trail to Preston Peak 1524 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
  CAS-BOT-BC78926  Pinus monticola W. B. C. 1938-9-17 11705 Siskiyou Slopes below Horse Camp 2133 Comment
  CAS-BOT-BC78962  Pinus monticola W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  HSC49105  Pinus monticola Maralyn O'Meara 1972-9-14 114 Siskiyou Below trail to Yellow Rose Mine Comment
  HSC69371  Pinus monticola J. O. Sawyer, J. Cole 1980-7-19 3673 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  CAS-BOT-BC72864  Pinus ponderosa Doris K. Kildale 1927-11-20 4174 Siskiyou Klamath River at Hornbrook Comment
  HSC67814  Pinus ponderosa J. O. Sawyer, J. Cole 1980-7-20 3789 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UC70583  Pinus ponderosa Mrs. Stirring May 1905 Siskiyou Etna Comment
  SEINET10966122  Pinus ponderosa Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6982 Siskiyou Western Yellow Pine, Libocedrus, Douglas Fir forest, 6 mi SW of Callahan. 1524 Comment
  RSA68909  Piperia unalascensis A. E. Culbertson 1943-7-17 49 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  CAS-BOT-BC231004  Plagiobothrys hispidulus Alice Eastwood 1921-7-24 10737 Siskiyou Castle Lake Comment
  SBBG28858  Plagiobothrys hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Crk, Sterling Mtn, Siskiyou Mtns 1676 Comment
  UC618700  Plagiobothrys hispidus Ivan Johnston 1938-7-22 11350 Siskiyou Shasta Fir Forest, Sisson Southern TrailShasta Fir Forest Mount Shasta; , Shasta Fir Forest, Sisson Southern Trail Comment
  JEPS105206  Plagiobothrys kingii var. harknessii Dean W. Taylor 1995-6-4 14965 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  JEPS68106  Plagiobothrys nothofulvus Geo. D. Butler 1909-5-2 694 Siskiyou Yreka Comment
  UC903389  Plagiobothrys nothofulvus Dorothy Parker 1948-5-3 Siskiyou 4 mi s Yreka (along Highway 99) 878 Comment
  UC163848  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou hills near Yreka Comment
  HSC96827  Plantago major S. Lyon 2006-7-18 12 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  RSA237607  Plantago major Frederick W. Oettinger 1969-8-13 1359 Siskiyou Where stock are kept at English Lake main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC67711  Platanthera dilatata var. leucostachys John S. Palmer 1980-7-24 611 Siskiyou Elk Hole 1503 Comment
  HSC69053  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-8-6 2310 Siskiyou Cracker Meadow 1555 Comment
  RSA121890  Plectritis macrocera M. H. Mitchell 1936-5-8 s.n. Siskiyou 2 miles E of Schonchin Butte. 1372 Comment
  UC618751  Pleuricospora fimbriolata W. Bridge Cooke 1938-8-5 11460 Siskiyou Sisson Southern Trail, Canadian 1828 Comment
  CAS-BOT-BC261055  Poa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53431 A Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  RSA238339  Poa bolanderi Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1236 b Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  CAS-BOT-BC255003  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53402 Siskiyou Forest Mountain Summit, 6 miles SW of Yreka on road to Fort Jones 1249 Comment
  HSC100250  Poa bulbosa J. P. Smith, & J. O. Sawyer 2010-5-2 12806 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  CAS-BOT-BC255056  Poa compressa L. P. Janeway 1983-8-26 599 Siskiyou Siskiyou Mountains. At Poker Flat, front edge of the upper part of the meadow 1524 Comment
  RSA211242  Poa compressa William J. Ferlatte 1966-6-23 139 Siskiyou along the Yellow Rose Mine Trail 1677 Comment
  HSC30577  Poa cusickii subsp. epilis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1218 Siskiyou Marble Mountain Wilderness Area, Crapo View Gap above English Lake. 1829 Comment
  UCD91090  Poa howellii A. A. Beetle 1942-5-31 3420 Siskiyou north of Willow Creek, 5 miles west of Gazelle. Comment
  CAS-BOT-BC247010  Poa nervosa Douglas Barbe 1955-8-1 331 Siskiyou Summit, Mt. Bolivar, Scott Mts. 2468 Comment
  CAS-BOT-BC256014  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  HSC73356  Poa pratensis Gail Newton 1980-6-20 448 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET10523337  Poa pratensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6987 Siskiyou Yellow Pine, Libocedrus, Douglas Fir, Western Hemlock forest, 17.4 mi NE of Cecilville Store, on road to Callahan. 2073 Comment
  HSC643  Poa pringlei William J. Ferlatte 1967-7-6 610 Siskiyou Dorleska summit. 2134 Comment
  JEPS82332  Poa pringlei Roger Raiche 1983-8-13 30595 Siskiyou summit area Mt Eddy 2743 Comment
  UCD91765  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western side of Baldy Mountain. Comment
  SEINET10869056  Poa rhizomata George D. Butler 1910-4-21 Butler 1205 Siskiyou Comment
  HSC45896  Poa secunda subsp. juncifolia Laura Witherspoon 1978-7-13 34 Siskiyou 1 mi. SE of junction of State Hwy. 97 and F.S. Rd. 8Q01 (Tennant Rd.). 1478 Comment
  HSC31102  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou Salmon Mountains, NW of English Lake. 1951 Comment
  HSC39635  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-6-30 5644 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  HSC92028  Poa secunda subsp. secunda Jennifer Whipple 1976-7-15 1484 Siskiyou S face of Mount Eddy draining into the N fork of the Sacramento River. 2287 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC197103  Poa secunda subsp. secunda Geo. D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1219 Comment
  JEPS101164  Poa wheeleri Dean W. Taylor 1996-6-19 15709 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  JEPS121612  Podagrostis thurberiana Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  RSA183689  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Rim trail, Marble Mt, Marble Mountains 1829 Comment
  POM75067  Polemonium carneum Geo D. Butler 1910-5-15 1344 Siskiyou McAdam Creek. Comment
  UC939437  Polemonium carneum E. L. Greene 1876-6-5 796 Siskiyou near Yreka; near Yreka Comment
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  UC572805  Polemonium pulcherrimum W. Bridge Cooke 1937-7-31 9167 Siskiyou Mt. Shasta 3048 Comment
  LA206593  Polemonium pulcherrimum L. Ellison; 1928-11-11 516 Siskiyou Mt Shasta 2743 Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  CAS-BOT-BC74173  Polyctenium fremontii Dean W. Taylor 1980-7-15 7782 Siskiyou Mono Basin. Larkin Lake in Trench Canyon. 2042 Comment
  HSC27592  Polygala cornuta Carl W. Mize 1972-6-21 69 Siskiyou Along trail about 3/8 mi. from corner 343 Comment
  JEPS43020  Polygala cornuta var. cornuta W. L. Jepson July, 1894 13574 Siskiyou Sisson Comment
  UC705877  Polygala cornuta var. cornuta Marion Ownbey and Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi nw McCloud Comment
  UC163656  Polygonum bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  CDA22762  Polygonum bistortoides T. C. Fuller 1962-6-13 8995 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  RSA211290  Polygonum davisiae William J. Ferlatte 1966-8-5 341 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  UC558482  Polygonum davisiae W. B. Cooke 1936-8-9 7241 Siskiyou Panther Creek Meadows Mount Shasta (avalanche flat) 2286 Comment
  HSC74927  Polygonum douglasii J. P. Smith, Jennifer Whipple 1978-7-2 9978 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  RSA237771  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou Trail side above Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1409206  Polygonum douglasii subsp. douglasii Frederick W. Oettinger 1969-8-14 1378 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (campsite, w Siskiyou Co.) 1828 Comment
  UC164243  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-7 1787 Siskiyou Shackleford Creek 914 Comment
  UC850102  Polygonum douglasii subsp. douglasii A. A. Heller 1915-7-18 12121 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC850385  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC850395  Polygonum douglasii subsp. spergulariiforme A. A. Heller 1916-7-20 12477 Siskiyou near Wagon Creek Falls (e side of mt.); Mt. Eddy 1371 Comment
  UC6697  Polygonum douglasii subsp. spergulariiforme C. B. Bradley 1879-1 Siskiyou Comment
  CDA22791  Polygonum majus Vernon H. Oswald & Lowell Ahart 1998-6-11 9187 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  JEPS24027  Polygonum minimum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6890 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  RSA237767  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou West rocky bank, Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  UC166100  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  POM211806  Polygonum persicaria Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mts. Mt. Diablo Mer. 671 Comment
  SEINET3160424  Polygonum phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  SEINET13711311  Polygonum polygaloides subsp. confertiflorum Lowell William Ahart, Lowell William Ahart 1998-1 9335 Siskiyou NE of Weed and E of Grass Lake at Gravel Pit on S Side of Tennant Rd. (T44N, R1W, sec 32, NW 1/4) 4600 Ft. 1402 Comment
  HSC60788  Polygonum polygaloides subsp. kelloggii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1524 Comment
  SBBG18316  Polygonum sawatchense C. B. Hardham 1961-7-2 8063 Siskiyou Mill Crk 1219 Comment
  CDA22796  Polygonum sawatchense subsp. oblivium F. D. Horn 1980-7-18 Siskiyou End of Big Rock Road, Shastina Properties, Weed. 0 Comment
  CAS-BOT-BC109286  Polygonum shastense Peter Kamb 1949-8-25 1491 Siskiyou Southwest slope of Mount Shasta above Horse Camp. 2895 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
  RSA82768  Polygonum shastense R. Tofsrud, J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows, S slope of Mt. Shasta. 2409 Comment
  SEINET3404053 Image available Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  CAS-BOT-BC421086  Polygonum spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  RSA18970  Polygonum spergulariiforme J. T. Howell 1937-7-21 13159 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  SEINET10937598  Polygonum spergulariiforme Lowell Ahart, Peter Ahart 1983-9-13 Ahart 4411 Siskiyou Near Hwy 96, near the Klamath River, ca. 5 mi w of Interstate 5. Yellow Pine Forest; 1000 m. 1000 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
  CAS-BOT-BC237390  Polypogon monspeliensis Dorothy Parker 1948-7-28 74 Siskiyou Scott Valley 853 Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC150381  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou near Sisson Comment
  HSC27350  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5696 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC1076339  Polystichum lemmonii Dorothy Tebbe 1929-6-28 26 Siskiyou Mt. Eddy Comment
  UC150386  Polystichum lemmonii Dr. E. B. Copeland 1903-8-18 3814 Siskiyou Mt. Eddy 1676 Comment
  UC334281  Polystichum lemmonii unknown 1878-7-12 Siskiyou near Mt. Shasta Comment
  UC371159  Polystichum lemmonii G. D. Butler 1908-8-8 241 Siskiyou Wooly Creek 1676 Comment
  UCR110585  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou S side of Preston Peak at the head of Rattlesnake Creek. 1829 Comment
  SFV94  Polystichum lemmonii D. Parker 1960-7-20 s. n. Siskiyou Cory Peak. Alono Cabin, Meadow Creek. 1829 Comment
  HSC79159  Polystichum lonchitis C. J. Thomas 1983-10-1 90 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  HSC79160  Polystichum lonchitis C. J. Thomas 1983-10-1 89 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  JEPS100527  Polystichum lonchitis Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15859 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  RSA693280  Polystichum lonchitis S. W. H. 1932-07 115 Siskiyou Somes Bar to Forks of Salmon River. Comment
  SEINET10929408  Polystichum munitum Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7017 Siskiyou Matthew's Creek Campground on S fork of Salmon River. 549 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  SBBG28170  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Crk 1981 Comment
  RSA693356  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  UC1481732  Polystichum scopulinum Lefebvre 1941-10-4 Siskiyou trail from Castle Lake to Little Castle Lake Comment
  CAS-BOT-BC102953  Populus trichocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53413 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC102964  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs Comment
  RSA184757  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  SBBG126112  Potamogeton berchtoldii L. Ahart, J. Dittes 2010-7-30 16963 Siskiyou swift deep water of the Shasta River, ca. 30 yards NW of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  UC1600947  Potamogeton foliosus var. foliosus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 mi se of Etna (on the Eastside Road, Klamath Mountains); Klamath Mountains 914 Comment
  CAS-BOT-BC438791  Potamogeton richardsonii Dana York; Jim Shevock 2012-7-20 3114 Siskiyou Klamath/Siskiyou Mts. Klamath National Forest, 4 km W-SW of Cook and Green Pass, in Lily Pad Lake. 1735 Comment
  HSC90540  Potentilla breweri Jennifer Whipple 1976-6-19 1052 Siskiyou Near Durney Lake 2073 Comment
  UC648266  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  JEPS82728  Potentilla drummondii Wayne Roderick 1983-7-10 Siskiyou Doe Flat near the Del Norte County line; Doe Flat 1143 Comment
  HSC96434  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 481 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC143260  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  RSA237616  Potentilla flabellifolia Frederick W. Oettinger 1968-9-5 718 Siskiyou Stream near campsite, SE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD113749  Potentilla flabellifolia Dean William Taylor 1972-7-4 1616 Siskiyou Near Little Duck Lake. 1981 Comment
  RSA237859  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-16 531 Siskiyou Summit of Red Hill, N of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  CAS-BOT-BC540554  Potentilla gracilis var. fastigiata Geo B. Grant 1902-9-6 5086 Siskiyou Sisson Comment
  CAS-BOT-BC540563  Potentilla gracilis var. fastigiata W. R. Dudley 1899-8-13 s.n. Siskiyou Near McCloud Comment
  CAS-BOT-BC540574  Potentilla gracilis var. fastigiata Alice Eastwood; John Thomas Howell 1936-6-13 2754 Siskiyou 6 miles north of Weed Comment
  CHSC38997  Potentilla millefolia J. D. Jokerst 1983-7-5 1821 Siskiyou Portions of the east edge of Atkin's Meadow, ca 15 air miles E of McCloud. Comment
  UC639592  Potentilla millefolia Henry Fitch April, 1933 Siskiyou 5 mi s Shasta Valley (Yreka); s of Shasta Valley, Yreka Comment
  RSA105311  Potentilla millefolia M. S. Baker 1955-6-26 13080 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  HSC58918  Prosartes hookeri Marvin Butler 1971-7-6 26 Siskiyou Near El Capitan 1524 Comment
  HSC73351  Prosartes hookeri Gail Newton 1980-6-20 447 Siskiyou Near Bald Mtn. 1097 Comment
  HSC29322  Prunella vulgaris subsp. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake outlet 1822 Comment
  CHSC1583  Prunus emarginata M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC25760  Prunus emarginata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19532 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC68389  Prunus emarginata Maralyn A. Renner 1980-6-26 1251 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS82469  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountain Wilderness Area Marble Valley Meadow; , Marble Mountain Wilderness Area 1792 Comment
  RSA593947  Prunus emarginata Louis C. Wheeler 1963-9-3 8335 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  UC861016  Prunus emarginata Lewis S. Rose 1937-7-25 37595 Siskiyou Mount Shasta City 1158 Comment
  SEINET9362850  Prunus emarginata Unknown 2009-5-31 Siskiyou High elevation, semi-arid ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  POM88254  Prunus subcordata Geo. D. Butler 1909-4-14 644 Siskiyou Humbug divide. Comment
  CAS-BOT-BC159729  Prunus subcordata var. oregana C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  JEPS44926  Prunus virginiana var. demissa W. L. Jepson July, 1894 13839 Siskiyou Sisson Comment
  UC1034612  Prunus virginiana var. demissa Douglas Barbe 1955-6-28 24 Siskiyou 0.8 mi n of Callahan; Klamath Mountains 1005 Comment
  CDA26212  Prunus virginiana var. melanocarpa T. Gallion 1959-5-12 2363 Siskiyou North of Dunsmuir. 0 Comment
  CAS-BOT-BC357395  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  JEPS33954  Pseudognaphalium stramineum George D. Butler 1908-9-6 316 Siskiyou Butler's ranch near Yreka Comment
  CAS-BOT-BC239807  Pseudoroegneria spicata D. M. Traugh 1933-5-25 63 Siskiyou Klamath National Forest 609 Comment
  CAS-BOT-BC94427  Pseudostellaria jamesiana R. C. Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  HSC75249  Pseudostellaria jamesiana J. P. Smith, Steve Selva 1970-7-17 4474 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC92199  Pterospora andromedea Jennifer Whipple 1976-9-3 1766 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  UC375216  Pterospora andromedea Geo. D. Butler 1908-6-28 21 Siskiyou Quartz Valley Comment
  CAS-BOT-BC460551  Pterospora andromedea H. E. Brown 1897-6-11 418 Siskiyou North side of Mount Shaska 2743 Comment
  HSC97135  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  UCD91868  Puccinellia lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3591 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  CHSC8611  Purshia tridentata G. Smalley 1967-7-15 Siskiyou Collected ca. 10 miles e of Fort Jones. 1371 Comment
  SD90132  Purshia tridentata Nancy Ryan Zabriskie, Walter Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  CAS-BOT-BC147902  Purshia tridentata var. tridentata Carl B. Wolf 1927-8-26 1033 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC19591  Purshia tridentata var. tridentata R. C. Wunner 1965-6-7 102 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  RSA121381  Purshia tridentata var. tridentata G. D. Barbe 1955-6-28 13 Siskiyou 0.4 mile N of Callahan 1006 Comment
  RSA449668  Purshia tridentata var. tridentata H. E. McMinn 1931-6-27 2517 Siskiyou Shasta City. Comment
  UC1034040  Purshia tridentata var. tridentata unknown 1941-8-21 16219 Siskiyou n side Diller Canyon (w side of Shastina); Mount Shasta, Shastina Comment
  UC1096826  Purshia tridentata var. tridentata Milo S. Baker 1957-6-15 13103 Siskiyou road cut just s Weed; North Coast Ranges Comment
  CAS-BOT-BC465508  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson Comment
  UC166181  Pyrola picta Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC466129  Pyrola picta Alice Eastwood 1921-7-24 10800 Siskiyou Castle Lake Comment
  CAS-BOT-BC466130  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC466135  Pyrola picta Doris K. Kildale 1928-8-20 6601 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC466308  Pyrola picta C. L. Hitchcock; J. S. Martin 1939-7-8 5301 Siskiyou 15 miles No of Happy Camp on Happy Camp--Takilma Hwy 914 Comment
  JEPS117464  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  CAS-BOT-BC68602  Quercus chrysolepis Carl B. Wolf 1927-8-26 1079 Siskiyou on the Klamath River, 4 mi below Hamburg Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCD82869  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1220 -6 Siskiyou Next to Klamath River, past Horse Creek. 500 Comment
  RSA13724  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Siskiyou County: Oak Knoll Ranger Station, Klamath River, Siskiyou Mtn. 671 Comment
  UC848033  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Oak Knoll Ranger Station Siskiyou Mountains, Klamath River 670 Comment
  HSC29146  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Marble Mtn. Wilderness Area, slope above English Lake about halfway up to Diamond Lake along trail from English Lake 1890 Comment
  CDA15399  Quercus garryana var. garryana G. F. Hrusa 1997-9-18 14108 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  OBI36119  Quercus garryana var. garryana David J. Keil 1983-7-3 17379 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  HSC36740  Quercus sadleriana Brent Whitely 1975-7-3 128 Siskiyou 1220 Comment
  RSA758222  Quercus sadleriana Robert F. Thorne 1969-8-2 63325 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SD126416  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Crek trail; Marble Mountain Wilderness Area. 1341 Comment
  SD75845  Quercus sadleriana Darley F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback 1524 Comment
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Jul 11 2010
  UCD47245  Quercus sadleriana Reino Alava; Aloha Alava, 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
  CAS-BOT-BC104616  Quercus vacciniifolia L. E. Smith 1913-6-29 417 Siskiyou Rainbow Comment
  CAS-BOT-BC104624  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC104640  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  HSC68399  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1450 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  SEINET234405  Quercus vacciniifolia John Tucker 1948-8-3 1776 Siskiyou 6.7 road mi below the summit of Happy Camp Waldo road Comment
  UC5830  Quercus wislizeni var. frutescens W. H. Brewer 1862-8-21 1330 Siskiyou near Shasta 914 Comment
  UCD135378  Raillardella pringlei Bruce G. Baldwin 1986-6-27 608 Siskiyou Shasta-Trinity National Forest, immediately south of toad Lake trailhead (at terminus of Forest Service road travesing the Middle Fork of Sacramento River, west of Lake Siskiyou). Comment
  CAS-BOT-BC379130  Ranunculus aquatilis var. diffusus Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  UC635098  Ranunculus glaberrimus D. Tebbe 1930-3-28 70 Siskiyou Weed Comment
  JEPS2826 Image available Ranunculus occidentalis Harley P. Chandler Jun 1901 1691 Siskiyou near Marble Mountain; North Coast Ranges; Near Marble Mt., Siskiyou Co. Comment
  POM99425  Ranunculus occidentalis var. eisenii Geo. D. Butler 1908-6-28 362 Siskiyou Siskiyou county: Meadow near Oro Fino Comment
  HSC68500  Ranunculus occidentalis var. occidentalis Maralyn A. Renner 1980-6-22 902 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC61938  Ranunculus orthorhynchus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC98181  Ranunculus uncinatus William J. Ferlatte 1967-8-23 1109 Siskiyou Head of Kidd Creek 2134 Comment
  RSA13286  Rhamnus californica subsp. occidentalis Doris K. Kildale 1929-7-20 8571 Siskiyou Trail up S Fork of Indian Creek. 457 Comment
  RSA12076  Rhamnus purshiana Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  RSA238023  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou Mid way down the steep spillway from Diamond Lake to upper English Lake and along the spillway stream. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1921 Comment
  SJSU6535  Rhodiola integrifolia subsp. integrifolia R. W. Trivelpiece 1973-6-30 162 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  RSA697561  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CHSC96002  Rhododendron neoglandulosum L. P. Janeway 2006-7-4 8786 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CAS-BOT-BC199725  Rhododendron occidentale L. B. Kildale 1930-6-1 9730 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  CAS-BOT-BC56661  Rhododendron occidentale Mrs. H. P. Bracelin 1931-6-19 413 Siskiyou North side of Mt. Eddy. Up the side from Metcalf's ranch house 1463 Comment
  OBI14446  Rhododendron occidentale H. E. McMinn 1931-6-27 2535 Siskiyou Summit above Weitchpec Comment
  SBBG17619  Rhododendron occidentale M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine Comment
  HSC68581  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-6-23 976 Siskiyou W Fork Seiad Creek 878 Comment
  CAS-BOT-BC200746  Rhus aromatica C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  UC1045240  Rhus trilobata W. Bridge Cooke 1940-6-4 15010 Siskiyou Shasta Valley Mount Shasta (along the Bolam road) 1219 Comment
  UC1174944  Rhus trilobata P. C. Everett and E. K. Balls 1959-10-24 23945 Siskiyou 7 mi sw from Red Bank F. S. Camp ( on road from Sawyers Bar to Somesbar) Comment
  POM85301  Rhus trilobata var. quinata Geo. D. Butler 1910-4-1 1151 Siskiyou [No further location information.] Comment
  CAS-BOT-BC92542  Ribes binominatum A. A. Heller 1920-7-9 13430 Siskiyou Sope of Mount Eddy. 2438 Comment
  HSC23460  Ribes binominatum J. O. Sawyer 1968-7-23 614 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  UC796515  Ribes binominatum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11769 Siskiyou about 6 mi from Etna (on Forks of Salmon Rd.) 1706 Comment
  LA205410  Ribes cereum Louis C. Wheeler; 1934-6-29 2825 Siskiyou Siskiyou Mountains, Soda Creek, Sterling Mountain 1280 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
  CAS-BOT-BC108766  Ribes cereum 1940-6-2 s.n. Siskiyou West of Indian Wells Ranger Station. Comment
  RSA0021094  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Yreka Creek. Comment
  RSA0021095  Ribes inerme var. klamathense G. D. Barbe 1955-6-29 42 Siskiyou 1.8 miles east of Callahan, south bank of Scott River. 976 Comment
  HSC19430  Ribes lacustre J. O. Sawyer 1968-7-9 451 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC34292  Ribes lacustre J. P. Smith, J. O. Sawyer 1973-8-14 7286 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  HSC77492  Ribes lacustre L. P. Janeway 1983-6-26 344 Siskiyou Along FS Rd. 18N33 towards Poker Flat, 9 mi. from Grayback Rd. 1433 Comment
  HSC96865  Ribes lacustre Gordon Leppig 1998-7-10 916 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  UC1736426  Ribes lacustre Dean W. Taylor 1999-6-9 17228 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  RSA0021101  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  HSC44979  Ribes lobbii J. O. Sawyer 1978-6-21 3282 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC65689  Ribes lobbii J. P. Smith, Steve Selva 1970-6-15 3964 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC375354  Ribes lobbii Geo. D. Butler 1908-7-19 267 Siskiyou Humbug Creek Comment
  RSA0021142  Ribes lobbii J. M. Tucker 1974-7-28 4324 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  SEINET3151815  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  HSC41076  Ribes roezlii J. O. Sawyer 1970-4-3 2051 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  RSA0018039  Ribes roezlii I. L. Wiggins 1950-5-28 12374 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  CAS-BOT-BC200000  Ribes roezlii var. cruentum Roxana S. Ferris; Laura Lorraine 1948-6-12 11782 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  JEPS84052  Ribes sanguineum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC165273 Image available Ribes sanguineum Geo. D. Butler 1909-4-24 670 Siskiyou Greenhorn road Comment
  UC921841  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek Siskiyou Mts. 1310 Comment
  HSC44887  Ribes sanguineum var. sanguineum Maralyn O'Meara 1974-5-25 401 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC69389  Ribes sanguineum var. sanguineum Maralyn A. Renner 1980-8-31 2661 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC100037  Ribes velutinum J. P. Smith, & J. O. Sawyer 2010-5-6 12823 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  CAS-BOT-BC168791  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168798  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  CAS-BOT-BC168800  Ribes viscosissimum Edna Kelsey 1961-8-1 s.n. Siskiyou Skyhigh Lake, Marble Mts. Comment
  CAS-BOT-BC168805  Ribes viscosissimum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta 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
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC69302  Ribes viscosissimum Maralyn A. Renner 1980-7-24 1987 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS84104  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  SEINET5760509 Image available Rorippa curvisiliqua var. orientalis H. E. Brown 1897-1 573 Siskiyou S side of Mount Shasta 1524 Comment
  UC164304  Rosa Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek Comment
  UC1871382  Rosa Barbara Ertter 2006-7-30 18738 Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  CHSC1596  Rosa bridgesii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC147465  Rosa californica Doris K. Kildale 1929-6-25 8371 Siskiyou Klamath River, 6 miles north of Hornbrook Comment
  CAS-BOT-BC147460  Rosa californica William A. Dayton 1913-9-14 584 1/2 Siskiyou Shasta National Forest, E. Fk. of Scott River Range along trail up Rail Creek 1463 Comment
  UC164064  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC146765  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  HSC19389  Rosa gymnocarpa J. O. Sawyer 1968-7-23 601 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  HSC36725  Rosa gymnocarpa Brent Whitely 1975-6-23 44 Siskiyou 223 Comment
  HSC69497  Rosa gymnocarpa John Palmer 1980-8-12 737 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC146760  Rosa gymnocarpa W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mi. post, Salmon Creek, Salmon Mts. Comment
  SEINET10628435 Image available Rosa nutkana H. E. Brown 1897-6-11 Brown 349 Siskiyou Collected North side Mt. Shasta. 1524 Comment
  UC768887  Rosa pisocarpa Doris K. Kildale 1929-7-20 8715 Siskiyou Raspberry Lake upper Indian Creek 1828 Comment
  CAS-BOT-BC147062  Rosa pisocarpa W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  HSC43137  Rosa rubiginosa Ken Stillman 1976-8-24 414 Siskiyou E and N slopes of Williams Point 366 Comment
  HSC61951  Rubus lasiococcus Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  JEPS25620  Rubus lasiococcus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7253 Siskiyou Poker Flat 1536 Comment
  JEPS44737  Rubus leucodermis W. L. Jepson July, 1894 13880 Siskiyou near Sisson (foot of Black Butte (Muir Peak) = Sugar Loaf); Mt. Shasta, foot of Black Butte (Muir Peak) Comment
  CAS-BOT-BC147313  Rubus parviflorus John Thomas Howell 1939-8-2 14937 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC44380  Rubus parviflorus Maralyn O'Meara 1973-6-25 235 Siskiyou Music Creek 1463 Comment
  HSC99747  Rubus parviflorus Carl W. Mize 1972-6-22 93 Siskiyou Cut bank 1 1/2 mi. from Offield Lookout 854 Comment
  CAS-BOT-BC157161  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC157168  Rubus ursinus D. E. Breedlove 1962-6-11 3351 Siskiyou On bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  POM208282  Rubus vitifolius Louis C. Wheeler 1934-6-29 2824 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  RSA92514  Rudbeckia occidentalis L. C. Wheeler 1934-8-2 3024 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1829 Comment
  UC1409248  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou e side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC422227  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  CHSC71495  Rumex crispus Vernon H. Oswald; Lowell Ahart 1998-7-21 9345 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
  UC618783  Sagina saginoides W. Bridge Cooke 1938-8-18 11474 Siskiyou Mt. Shasta, Horse Camp Springs Comment
  UC5247  Salix boothii Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC103534  Salix commutata John Thomas Howell 1939-8-7 15125 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC45040  Salix delnortensis J. O. Sawyer, E. Cope 1977-6-19 2953 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC33924  Salix eastwoodiae J. O. Sawyer 1968-7-10 501 Siskiyou Along S Sugar Creek 1982 Comment
  HSC34266  Salix eastwoodiae J. P. Smith, J. O. Sawyer 1973-8-14 7312 Siskiyou Around Cliff Lake 1860 Comment
  POM106928  Salix exigua Geo. D. Butler 1910-5-20 1369 Siskiyou Near Yreka. Comment
  LA208557  Salix exigua var. exigua W. B. C.; 1940-6-20 15157 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  SBBG58916  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River, at Gibson flag station, 125 km N of Red Bluff 450 Comment
  UC506510  Salix exigua var. hindsiana B. S. and C. S. Ball 1933-9-21 2535 Siskiyou 5 mi s Hornbrook (beside Hwy. 99, on Klamath R.) Comment
  HSC68562  Salix jepsonii Maralyn A. Renner 1980-6-26 1154 Siskiyou Flint Valley. 1390 Comment
  RSA0034682  Salix lasiandra H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  CAS-BOT-BC125466  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-23 s.n. Siskiyou [Callahans] Callahan Comment
  UC482244  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CHSC9563  Salix lemmonii E. L. Smith 1971-4-8 937 Siskiyou At Mt. Shasta City. 1097 Comment
  POM107036  Salix lucida subsp. lasiandra Geo. D. Butler 1910-3-29 1149 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC125933  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou [Glazier] Glacier/Glaser along McCloud Comment
  CAS-BOT-BC126124  Salix scouleriana L. S. Smith 1931-6-7 16 Siskiyou Mt. Shasta 1066 Comment
  HSC65499  Salix scouleriana R. White 1977-6-20 90 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  RSA238271  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC375239  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC128970  Salix sitchensis John Thomas Howell 1939-8-5 15079 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC28675  Salix sitchensis Frederick W. Oettinger 1968-9-4 695 Siskiyou Marble Mtn. Wilderness Area, W shoreline, Abbott's Lake 1723 Comment
  HSC91170  Salix sitchensis Jennifer Whipple 1976-9-4 1800 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1252124  Salvia dorrii var. dorrii Garrett Smathers 1964-7-16 Siskiyou Black Crater Trail; Lava Beds National Monument Comment
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Nov 22 2007
  CAS-BOT-BC225206  Salvia sonomensis L. E. Smith 1913-8-12 521 Siskiyou McCloud Comment
  UC61047  Sambucus mexicana W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC238881  Sambucus nigra subsp. caerulea John Thomas Howell 1934-7-4 12409 Siskiyou Unspecified Comment
  CAS-BOT-BC238888  Sambucus nigra subsp. caerulea W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon Creek Comment
  CAS-BOT-BC238895  Sambucus nigra subsp. caerulea Milo S. Baker; Douglas Barbe 1955-7-5 96 Siskiyou Klamath Mountains. 5.7 mi. South of Etna on French Cr. Rd. 883 Comment
  JEPS45510  Sanguisorba annua W. L. Jepson July 1894 13862 Siskiyou Sisson Comment
  UC584355  Sanguisorba annua G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2431 Siskiyou along Sulloway Creek (near Mt. Shasta); , along Sulloway Creek 1158 Comment
  HSC19457  Sanicula graveolens J. O. Sawyer 1969-8-1 1649 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC61165  Sanicula graveolens Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  HSC61953  Sanicula graveolens Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC62024  Sanicula graveolens Ruby Van Deventer 5 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS1005  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Divide Comment
  RSA60665  Sanicula tuberosa I. L. Wiggins 1950-5-28 12381 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  SEINET3240202  Santalaceae R. L. Mathiasen 2003-1 2003 -50 Siskiyou 0.7 km S of Eaton Lake, Russian Peak Wilderness 1900 Comment
  CAS-BOT-BC110339  Sarcobatus vermiculatus Louis C. Wheeler 1934-10-21 3333 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  RSA70031  Sarcobatus vermiculatus F. W. Peirson 1923-7-19 3717 Siskiyou 2 miles below Oregon line, lowest dry Klamath lake. Comment
  UC56718  Saxifraga aprica Harley P. Chandler June, 1901 1675 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  SEINET3411941 Image available Saxifraga fragarioides C. L. Hitchcock, J. S. Martin 1939-7-7 5285 a Siskiyou Sanger Peak 1780 Comment
  CAS-BOT-BC283650  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC283655  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, NE base of Mount Eddy 1188 Comment
  SEINET7592335 Image available Scirpus congdonii Frederick W. Oettinger 1968-1 357 Siskiyou Common on E side of Diamond Lake near outlet. High lake basins in the vicinity of English Peak Marble Mountain Wilderness area. 2073 Comment
  SEINET7592337 Image available Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1290 Siskiyou High lake basins in the vicinity of English peak marble mountain wilderness area 1829 Comment
  JEPS63970  Scirpus microcarpus Mrs. B. C. Goldsmith 1916-9-19 24 Siskiyou Sisson Comment
  UC852754  Scleranthus annuus subsp. annuus Louis C. Wheeler 1935-6-15 3585 Siskiyou Scott Valley Greenview; Scott Valley 883 Comment
  JEPS117469  Sclerochloa dura Lowell Ahart, John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Gr 716 Comment
  SJSU7863  Sclerolinon digynum M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1219 Comment
  CAS-BOT-BC243527  Scribneria bolanderi E. L. Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  POM43114  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  RSA789787  Scutellaria antirrhinoides Rebecca Wenk 2005-7-16 250 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  UC1299473  Scutellaria siphocampyloides Freed W. Hoffman 1948-7-8 2563 Siskiyou s of Scott Bar (along Scott River); North Coast Ranges, Scott River Comment
  CDA2410  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC64661  Sedum kiersteadiae Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  UC198693  Sedum lanceolatum Annie M. Alexander and Louise Kellogg 1911-8-14 323 Siskiyou Mt. Eddy 2789 Comment
  CAS-BOT-BC61467  Sedum laxum subsp. laxum Gilbert Muth 1969-8-6 s.n. Siskiyou Boulder Peak Ridge 2468 Comment
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Oct 29 2020
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  UCR37579  Sedum obtusatum subsp. boreale L. P. Janeway 1983-7-3 374 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  HSC19538  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-10 1300 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  HSC69553  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-6-26 1293 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC1190187  Sedum oregonense Ira L. Wiggins 1955-7-27 13521 Siskiyou Caribou Lake Salmon-Trinity Alps Prmitive Area, Caribou Lake (Salmon-Trinity Alps Primitive Area) 2042 Comment
  CAS-BOT-BC64081  Sedum oregonense Lester Rowntree 1937-7-23 s.n. Siskiyou Caribou Lakes, Trinity Mountains Comment
  RSA0083645  Sedum oregonense R. F. Thorne, Frederick W. Oettinger 1969-8-4 63383 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  JEPS121415  Sedum spathulifolium Peter F. Zika 2011-7-19 25646 Siskiyou Forest Service Road 1055, 7.7 road miles above junction with Road 1050, 2.5 air mile SSE of Windy Peak, Siskiyou Mountains Comment
  JEPS25711  Sedum spathulifolium P. C. Hutchison 1961-5-22 2041 Siskiyou 2.8 mi e Seiad Valley (6.4 mi w of Hamburg, Klamath River); Klamath River, e of Seiad Valley, w of Hamburg 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
  JEPS82439  Sedum stenopetalum Gilbert Muth 1966-7-25 499 Siskiyou Marble Mt. Lookout , Marble Mt. Lookout (Marble Mt. Wilderness Area) 2097 Comment
  RSA576448  Selaginella densa var. scopulorum Louis Cutter Wheeler 1934-8-14 3122 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 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
  CHSC90388  Selaginella wallacei Martin J. Lenz 2004-12-17 1085 Siskiyou Road cutbank near small tributary of Tompkins Cr., approx. 7.1 air mi. SW of mouth of Scott River. UTM: 10 489596 E 4616333 N. 957 Comment
  JEPS19024  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Salmon Range 1828 Comment
  RSA237268  Selaginella wallacei Frederick W. Oettinger 1967-7-8 157 Siskiyou Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC711811  Senecio aronicoides Roxana S. Ferris and Laura Lorraine 1941-8-11 10505 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  CAS-BOT-BC363420  Senecio aronicoides A. M. Vollmer; L. Beane 1951-5-31 31 Siskiyou Near highway, Scott Mountain Comment
  CAS-BOT-BC363425  Senecio aronicoides Alice Eastwood 1923-5-22 11888 Siskiyou Sisson Comment
  RSA0013325  Senecio aronicoides B. C. Templeton 1964-6-9 10066 -a Siskiyou Slope of Mt. Shasta Comment
  HSC91209  Senecio fremontii Jennifer Whipple 1978-10-6 2391 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  CAS-BOT-BC363643  Senecio fremontii var. occidentalis Wm. Bridge Cooke 1938-8-23 11572 Siskiyou Mount Shasta. North slope of Shastina Comment
  CAS-BOT-BC341179  Senecio hydrophiloides Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest foothills 1524 Comment
  CDA8621  Senecio hydrophilus David Van Baren 2007-8-27 PDR# 1278072 Siskiyou Butte Valley Wildlife Area; Pond 8A-Z. Comment
  UC166186  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain Comment
  HSC22187  Senecio integerrimus var. major J. O. Sawyer 1969-7-11 1319 Siskiyou Near S Sugar Creek 1982 Comment
  RSA94751  Senecio streptanthifolius F. W. Peirson 1923-7-19 3922 Siskiyou Lairds Landing Comment
  CAS-BOT-BC364788  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  CAS-BOT-BC240270  Setaria viridis Dorothy Parker 1948-8-24 88 Siskiyou Garden in Plowman's Valley, East Fork of Scott River 1188 Comment
  UC196948  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Dooryand> Comment
  RSA233678  Sibbaldia procumbens Robert F. Thorne, F. Oettinger 1969-8-10 38965 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  POM84123  Sidalcea malviflora subsp. asprella Geo. D. Butler 1909-6-4 768 Siskiyou Fields near Guka Comment
  HSC76675  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-21 280 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC166193  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou Oro Fino Comment
  HSC34117  Sidalcea oregana subsp. spicata J. O. Sawyer 1969-8-18 1996 Siskiyou Slopes of S Sugar Lake Creek 1829 Comment
  UCD98560  Silene campanulata subsp. glandulosa James P. Smith 1973-5-5 6370 Siskiyou in and around the O'neill campground near Seiad Valley. 487 Comment
  HSC68056  Silene campanulata subsp. greenei J. P. Smith 1976-5-5 8684 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  RSA11897  Silene douglasii Elmer I. Applegate 1923-8-18 3876 Siskiyou Redshale Mountain, E side of Medicine Lake. 2439 Comment
Read comments
Dec 30 2016
  UC1540254  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou 2 mi se from Medicine Lake (moist meadow margin near head of easternmost spring); Paynes Springs, se from Medicine Lake 1996 Comment
  HSC4208  Silene douglasii R. C. Wunner 1965-6-25 273 Siskiyou Lava Bed NM, Indian Well Cave area 1433 Comment
  HSC92645  Silene douglasii var. douglasii Jennifer Whipple 1977-8-6 2206 Siskiyou Dobkins Lake, just below outlet of lake 2058 Comment
  POM151379  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  RSA233662  Silene grayi R. F. Thorne, Frederick W. Oettinger 1969-8-10 39001 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC618781  Silene grayi W. Bridge Cooke 1938-8-18 11494 Siskiyou Horse Camp Slopes , Horse Camp Slopes (sw slopes Mount Shasta) 2514 Comment
  HSC65510  Silene grayi Rich White 1977-7-21 135 Siskiyou Near top of False Peak NW from Preston Peak 1738 Comment
  HSC64807  Sisymbrium altissimum J. P. Smith 1976-5-21 8776 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  RSA120903  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou Roadcut just S of Weed. Comment
  HSC69086  Sisyrinchium bellum Maralyn A. Renner 1980-8-4 2212 Siskiyou Flint Valley 1390 Comment
  SEINET3920543  Sisyrinchium bellum Douglass Henderson 1985-6-8 6974 Siskiyou Shasta-Trinity NF along Hwy 89 between McLeod and Susanville, ca 1 mile SE of Bartle. Along north side of Hwy.; 0 1207 Comment
  UC375213  Sisyrinchium idahoense var. idahoense Geo. D. Butler 1908-6-29 532 Siskiyou Cherry Creek Comment
  UC375211  Smilacina racemosa Geo. D. Butler 1908-7-19 1088 Siskiyou Humbug Creek Comment
  UC637146  Smilacina racemosa Edward Lee 1934-8-13 1070 Siskiyou Happy Camp to Waldo (oregon) road Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  UC3906  Smilax californica W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  CDA39211  Smilax californica County Ag Comm. Office 1957-10-17 s.n. Siskiyou M. Williams property. 0 Comment
  UC1409319  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou outlet of Abbott's Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1722 Comment
  RSA0000534  Smilax jamesii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1193 Siskiyou Trail from English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC91239  Solanum dulcamara Lowell Ahart; John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 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
  CDA5945  Solanum dulcamara E. Deal 1963-10-1 Siskiyou Shasta Valley; Paul Kottel property, Grenada. 0 Comment
  HSC664  Solanum parishii William J. Ferlatte 1967-7-9 680 Siskiyou Kidd Creek Trail 1768 Comment
  CAS-BOT-BC157045  Solanum umbelliferum C. R. Quick 1958-6-17 58 -32 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  RSA68867  Solanum umbelliferum A. E. Culbertson 1943-6-24 89 Siskiyou At lake level in rocks along the road at Castle Lake, 5434, in a north facing cirque with an abrupt 1000' back wall; 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mts., 2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CDA8704  Solidago californica R. P. Allen 1952-7-31 Siskiyou McCloud. 0 Comment
  CAS-BOT-BC385863  Solidago canadensis D. H. Norris 1968-7-29 2213 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  POM211817  Solidago canadensis subsp. elongata L. C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  RSA293120  Solidago canadensis subsp. elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8963 Siskiyou Half a mile north of Siskiyou-Trinity County line on State Route 3. Comment
  UCR37811  Solidago canadensis subsp. elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  CAS-BOT-BC365576  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  JEPS47362  Solidago elongata L. R. Heckard 1966-6-20 1529 Siskiyou on old McCloud Road about 1 mi ne Mt. Shasta (town) 1127 Comment
  UC1557825  Solidago elongata J. Semple, S. Heard 1986-8-14 8460 Siskiyou behind grade school (on East Lake St., Mt. Shasta City); Mt. Shasta City Comment
  CAS-BOT-BC339859  Solidago multiradiata Alice Eastwood 1912-8-30 1996 Siskiyou Mount Eddy Comment
  HSC6196  Solidago multiradiata D. M. Thomson 1965-8-14 193 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  JEPS121624  Solidago multiradiata Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  HSC61979  Sorbus californica Al Hobart 1961-7-16 Siskiyou Preston Peak 1982 Comment
  UC618791  Sorbus californica W. B. Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail Spring [Canadian] Sisson Southern Trail Spring; Mount Shasta 1981 Comment
  CAS-BOT-BC157319  Sorbus californica W. R. Dudley 1901-8-23 s.n. Siskiyou 1st ravine north of Amphitheatre below Caribou Glacier Comment
  CAS-BOT-BC149683  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between Igerna and Weed Comment
  RSA30418  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch. NE base of Mt Eddy, 1189 Comment
  CAS-BOT-BC149674  Spiraea douglasii W. R. Dudley 1901-8-25 s.n. Siskiyou 14 mile post, Salmon Creek, Salmon Mts. Comment
  CAS-BOT-BC152556  Spiraea splendens Doris K. Kildale 1929-8-25 9016 Siskiyou Near Youngs Valley, trail to Preston Peak 1524 Comment
  HSC62275  Spiraea splendens var. splendens Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  RSA237645  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Tobacco Lake trail. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  RSA28132  Spiranthes romanzoffiana Elmer I. Applegate 1923-8-18 3884 Siskiyou Medicine Lake. Comment
  SEINET9345824  Stachys ajugoides Unknown 2002-7-12 1902 Siskiyou Klamath National Forest Comment
  SD88345  Stachys emersonii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  HSC27640  Stachys pycnantha Carl W. Mize 1972-6-21 74 Siskiyou Along main trail 305 Comment
  HSC27981  Stachys pycnantha Carl W. Mize 1972-9-24 124 Siskiyou Along logging road 816 Comment
  POM208265  Stachys rigida subsp. rigida Louis C. Wheeler 1934-6-4 2631 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  RSA610003  Stellaria calycantha L. C. Wheeler 1935-7-26 3697 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC181418  Stellaria calycantha Wm. Bridge Cooke 1939-8-8 13820 Siskiyou Frequent in the border of the wet area around the upper spring along the Summit Trail above Horse Camp - Mount Shasta 2514 Comment
  CAS-BOT-BC391217  Stellaria longipes subsp. longipes Wm. Bridge Cooke 1937-8-6 9184 Siskiyou Mount Shasta. Bear Springs Comment
  UC524160  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  RSA577802  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  CAS-BOT-BC375666  Stephanomeria paniculata Louis C. Wheeler 1934-7-17 2912 Siskiyou Cottonwood Creek, Siskiyou Mts. 1036 Comment
  JEPS81795  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  JEPS87638  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  UC166153  Stephanomeria paniculata Geo. D. Butler 1908-8-1 324 Siskiyou near Forest House Comment
  HSC16332  Stephanomeria tenuifolia D. M. Thomson 1965-8-18 186 Siskiyou California Lava Beds National Monument; E slope of Caldwell Butte 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
  HSC92575  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-8 1363 Siskiyou Mt. Eddy, N and NE facing granite bluff above Dobkins Lake. 2317 Comment
  HSC101541  Stipa thurberiana J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12994 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC71172  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1978-7-24 4494 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  CAS-BOT-BC87843  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1937-6-26 5038 Siskiyou Salmon Mountains above Taylor Creek. Comment
  CAS-BOT-BC87846  Streptanthus tortuosus John Thomas Howell 1937-7-24 13385 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC87848  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC87865  Streptanthus tortuosus Margaret M. Hanna 1956-6-6 s.n. Siskiyou Glass Mountain. 2316 Comment
  CAS-BOT-BC87867  Streptanthus tortuosus Doris K. Kildale 1928-7-4 5501 Siskiyou Summit of divide between Salmon River and Scott Valley. Comment
  SEINET3149309  Streptanthus tortuosus L. S. Rose 1937-7-3 37386 Siskiyou Black Butte, N of Mt. Shasta City 1006 Comment
  UC137034  Streptanthus tortuosus var. orbiculatus J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  UC1601630  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta Comment
  HSC69714  Streptopus amplexifolius Maralyn A. Renner 1980-7-15 1770 Siskiyou English Lake inlet 1780 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  JEPS80511  Streptopus amplexifolius var. americanus Gilbert Muth 1966-7-24 443 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UCD138354  Stuckenia pectinata Verne Grant; Irving Schneider 1947-8-26 8289 Siskiyou 1/2 mile west of Tulelake. Comment
  OBI9065  Styrax redivivus H. E. McMinn 1931-6-26 2493 Siskiyou Pit River Bridge and hwy Comment
  SD61056  Suaeda calceoliformis Darley F. Howe 1964-8-5 3939 Siskiyou 13.4 miles east of junction with Highway 97 on state line road. 1220 Comment
  JEPS47018  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka (Butler's Ranch) Comment
  UC456202  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1524 Comment
  CAS-BOT-BC245847  Symphoricarpos W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon Mountains Comment
  RSA105400  Symphoricarpos albus var. laevigatus G. D. Barbe 1955-6-30 059 Siskiyou 0.8 mile NW of Forest Camp, Etna; along Johnson Creek. 945 Comment
  CAS-BOT-BC234790  Symphoricarpos mollis A. A. Heller 1905-6-5 7985 Siskiyou Above Shasta Springs Comment
  CAS-BOT-BC234795  Symphoricarpos mollis Alice Eastwood 1917-9-2 6672 Siskiyou Shasta Springs Comment
  HSC27962  Symphoricarpos mollis Carl W. Mize 1972-9-23 122 Siskiyou 610 Comment
  HSC42981  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-29 2734 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC73353  Symphoricarpos mollis Gail Newton 1980-6-20 442 Siskiyou Near Bald Mtn. 1097 Comment
  UC166162  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Edgewood Comment
  CAS-BOT-BC97881  Symphyotrichum eatonii Geo. B. Grant 1902-9-1 69 Siskiyou Shasta Springs Comment
  CAS-BOT-BC98942  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-2 14877 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC98441  Symphyotrichum spathulatum Wm. Bridge Cooke 1938-9-8 11607 Siskiyou Mount Shasta, Little Red Butte 2590 Comment
  CAS-BOT-BC98925  Symphyotrichum spathulatum var. intermedium Wm. F. Herrin 1920-8-25 s.n. Siskiyou Road to Mt. Eddy Comment
  JEPS86149  Synthyris reniformis Wayne Roderick 1965-1 Siskiyou Cook & Green Pass area Cook & Green Pass 1524 Comment
  POM205586  Taeniatherum caput-medusae E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon. Comment
  UCD86093  Taeniatherum caput-medusae A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3426 Siskiyou 3 miles north of Yreka. Comment
  CAS-BOT-BC85235  Taxus brevifolia Louis C. Wheeler 1934-8-14 3138 Siskiyou West end White Mt., Siskiyou Mts., Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC85237  Taxus brevifolia H. E. Brown 1897-6-1 311 Siskiyou Near Sisson 1082 Comment
  HSC18878  Taxus brevifolia J. O. Sawyer 1968-9-13 758 Siskiyou W Branch Campground on Indian Creek N of Happy Camp Comment
  UC637045  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  UC166555  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  UC1126994  Thelypodium brachycarpum H. S. Yates 1936-6-21 5817 Siskiyou 6 mi n Gazelle; Yreka Quad. 792 Comment
  CHSC99708  Thlaspi montanum var. montanum L. P. Janeway 2008-7-22 9451 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; top of slope overlooking Little Castle Lake from the southwest; 0.6 air km southwest of Little Castle Lake. 1896 Comment
  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
  CAS-BOT-BC66794  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  UC70447  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  CHSC43139  Tolmiea menziesii R. Banchero 1982-8-17 649 Siskiyou Ca 6 mi n of Happy Camp. N 1/4 mi from jct of F. S. roads 18N16 and 18N22 along 18N22. 975 Comment
  CAS-BOT-BC447628  Tolmiea menziesii H. A. Thomas; J. H. Thomas 1954-7-23 4474 Siskiyou Salmon- Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  CAS-BOT-BC169252  Toxicodendron diversilobum Alice Eastwood 1921-7-31 11019 Siskiyou Shasta Springs Comment
  CHSC88389  Tragopogon dubius Jenny Marr 1993-7-1 148 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC519566  Triantha occidentalis subsp. occidentalis Annie M. Alexander; Louise Kellogg 1949-7-29 5894 Siskiyou Sky High Valley, Marble Mts.: Edge Hidden Lake, above Sky High Lake 1859 Comment
  HSC27625  Trientalis latifolia Carl W. Mize 1972-6-22 91 Siskiyou About 1 1/2 mi. from Offield Lookout 854 Comment
  UC164232  Trifolium albopurpureum var. albopurpureum Geo. D. Butler 1909-5-13 710 Siskiyou Klamath Hills Comment
  POM28721  Trifolium cyathiferum Edward Palmer 1892-7-13 2475 Siskiyou Mount Shasta and vicinity Comment
  POM28036  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 918 Siskiyou Goosenest Comment
  RSA90949  Trifolium eriocephalum subsp. eriocephalum J. T. Howell 1937-7-23 13360 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC163745  Trifolium hybridum Geo. D. Butler 1909-5-20 716 Siskiyou near Yukia (along creek) Comment
Read comments
Nov 25 2011
  HSC71103  Trifolium longipes Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4509 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC454732  Trifolium longipes var. hansenii I. J. Condit 1911-7-27 Siskiyou near Sisson (Castle Lake) 1828 Comment
  UC618762  Trifolium longipes var. hansenii W. B. Cooke 1938-7-1 11151 Siskiyou below Wagon Camp; Mt. Shasta 1676 Comment
  UC866839  Trifolium longipes var. shastense A. A. Heller 1915-10-26 12222 Siskiyou near source of Wagon Creek; Mt. Eddy 2590 Comment
  RSA582466  Trifolium variegatum var. variegatum Louis C. Wheeler 1935-6-27 3618 Siskiyou Greenview, Scott Valley. 884 Comment
  SEINET10577454  Trifolium wormskioldii var. wormskioldii Wiegand 1921-8-23 WIEGAND 1389 Siskiyou Marshy subalkaline soil, south of Montague. Comment
  CAS-BOT-BC520838  Trillium albidum Geo. D. Butler 1910-4-3 1168 Siskiyou Humbug Creek Comment
  HSC36716  Trillium ovatum Brent Whitely 1975-7-1 116 Siskiyou 671 Comment
  RSA605355  Trillium ovatum subsp. ovatum Louis C. Wheeler 1959-7-25 7599 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC196952  Trisetum canescens Geo. D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek Comment
  HSC41807  Trisetum spicatum Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  RSA233685  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38957 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD94373  Trisetum spicatum R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  HSC73275  Triteleia bridgesii Gail Newton 1980-6-20 471 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC2072  Triteleia crocea V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  JEPS29126  Triteleia crocea Lauramay T. Dempster 1961-7-1 1836 Siskiyou just n Horse Creek Drainage (s slope just e White Mountain, just s Oregon boundary); Siskiyou Mountains, Horse Creek drainage, White Mt. 1889 Comment
  JEPS5655  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  UC160439 Image available Triteleia crocea I. J. Condit 1911-7-27 Siskiyou Castle Lake; ; Castle Lake, Siskiyou Co. 1981 Comment
  SEINET200218  Triteleia ixioides subsp. anilina Francia Chisaki, Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek on road to ice cavesnorth of McCloud 1158 Comment
  JEPS48254  Tsuga mertensiana W. L. Jepson 1907-7-5 2820 Siskiyou Marble Mt. Comment
  RSA184702  Tsuga mertensiana Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley near meadow, Marble Mountains. 1793 Comment
  CAS-BOT-BC80259  Tsuga mertensiana subsp. grandicona Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  SEINET4854382  Tsuga mertensiana subsp. grandicona Carl B. Wolf 1934-7-5 5970 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake Lookout on road to Horse Creek. 2134 Comment
  CAS-BOT-BC74102  Turritis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou In south fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  HSC46194  Uropappus lindleyi Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC18867  Vaccinium cespitosum J. O. Sawyer 1968-6-25 288 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC18970  Vaccinium cespitosum J. O. Sawyer 1969-7-8 1098 Siskiyou SE facing slope W of Little Duck Lake 2268 Comment
  HSC91292  Vaccinium cespitosum Jennifer Whipple 1976-6-30 1213 Siskiyou Wagon Creek drainage near Wagon Creek 370 Comment
  JEPS93910  Vaccinium cespitosum Vernon H. Oswald and Lowell Ahart 1998-8-3 9454 Siskiyou e of Kangaroo Lake (e end of Rock Fence Lake Road (USFS 41N18) in the Scott Mountains, near Rock Fence Creek); Scott Mountains, Rock Fence Lake Road 1920 Comment
  UCD118045  Vaccinium cespitosum D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp. Marble Mountain Wilderness Area. 1554 Comment
  HSC19360  Vaccinium membranaceum J. O. Sawyer 1968-6-18 224 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC19371  Vaccinium membranaceum J. O. Sawyer 1968-6-18 174 Siskiyou Above S Russian Creek on W side. 1463 Comment
  SEINET3107073  Vaccinium membranaceum Steve Selva, Roger Jensen 1974-8-22 34 Siskiyou Collected along trail from Doe Flat campground to Buck Lake. Comment
  SEINET11971724  Vaccinium membranaceum H. P. Chandler 1901-1 1577 Siskiyou near Marble Mountain 2134 Comment
  CAS-BOT-BC199475  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8618 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  HSC18948  Vaccinium parvifolium J. O. Sawyer 1968-9-11 704 Siskiyou Slopes above Twin Valley 1524 Comment
  HSC68457  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1442 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CAS-BOT-BC199482  Vaccinium scoparium Doris K. Kildale 1928-8-19 6552 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC23660  Vaccinium scoparium J. O. Sawyer 1969-8-3 1941 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  SEINET3107076  Vaccinium scoparium Steve Selva, Roger Jensen 1974-8-25 47 Siskiyou Meadow at west end of Little Duck Lake. Comment
  HSC69062  Vaccinium uliginosum Maralyn A. Renner 1980-8-6 2324 Siskiyou Cracker Meadow 1555 Comment
  LA44769  Vaccinium uliginosum subsp. occidentale Wm. Bridge Cooke; 1939-7-7 13606 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  CAS-BOT-BC199796  Vahlodea atropurpurea Wm. Bridge Cooke 1939-8-24 13892 Siskiyou Along the bank of Squaw Valley Creek in its middle cascade portion Comment
  HSC18952  Valeriana sitchensis subsp. sitchensis J. O. Sawyer 1968-7-2 371 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC7408791  Valeriana sitchensis subsp. sitchensis Frederick W. Oettinger 1968-8-6 425 Siskiyou along stream at se corner of Hancock Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC100331  Ventenata dubia J. P. Smith 2011-7-15 13299 Siskiyou Off Tennant Road at a large, open borrow pit 1417 Comment
  UC1409322  Veratrum californicum var. californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Tobacco Lake Salmon Mountains 1889 Comment
  HSC36207  Veratrum viride John Rehling 1975-8-11 103 Siskiyou S end of Little Duck Lake Comment
  UC1174940  Veratrum viride P. C. Everett and E. K. Balls 1959-10-23 23940 Siskiyou 4 mi sw from Etna (on road from Callaban to Somesbar); Salmon Mountains 1676 Comment
  UCD124681  Verbascum blattaria Daryl Koutnik; Martha Townsend 1979-9-10 590 Siskiyou Five miles SW of Yreka, on Fort Jones Road. 914 Comment
  CHSC8613  Verbascum thapsus G. Smalley 1967-6-17 Siskiyou Collected 6 miles e of Callahan. 1310 Comment
  HSC70531  Veronica americana J. P. Smith, Steve Selva 1970-6-15 3908 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS23292  Veronica americana Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7261 Siskiyou Poker Flat 1536 Comment
  UC455534  Veronica americana I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC86528  Veronica americana D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Jawbone Camp 1372 Comment
  RSA211146  Veronica americana William J. Ferlatte 1967-6-27 527 Siskiyou Big Flat. Between campground and S Fork of the Salmon River. 1524 Comment
  CAS-BOT-BC238136  Veronica copelandii Alice Eastwood 1912-8-30 2003 Siskiyou Mount Eddy Comment
  UC1026906  Veronica peregrina subsp. xalapensis W. Bridge Cooke 1940-6-6 15081 A Siskiyou near the outlet of Castle Lake 1676 Comment
  UCD78079  Veronica wormskjoldii Robert E. Preston 2001-7-21 1719 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  CDA28314  Vicia americana var. americana G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2615 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC15245  Vicia americana var. americana D. M. Thomson 1965-6-19 94 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC19091  Vicia americana var. americana J. O. Sawyer 1969-6-11 833 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  UC618894  Vicia americana var. americana unknown 1938-7-22 11310 Siskiyou Wagon Camp; Mount Shasta Comment