Search Results — 2000 specimen records retrieved (1364 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
  UC1409512  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou s end of Diamond Lake Salmon Mts., Diamond Lake (w Siskiyou County) 2072 Comment
  CAS-BOT-BC73506  Abies concolor L. B. Kildale 1930-6-1 9791 Siskiyou Black Bear Trail to Sawyers Bar. Comment
  HSC29673  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Marble Mtn. Wilderness Area, NE of English Lake outlet 1921 Comment
  LA6362  Abies concolor Wm. Bridge Cooke; 1939-7-29 13790 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  UC1001949  Abies concolor Mrs. B. M. Berry 1954-10-7 4 Siskiyou Sugar Creek Bridge Salmon Mountains, Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan) 1828 Comment
  HSC5000  Abies lasiocarpa J. O. Sawyer 1969-8-1 1600 Siskiyou Behind Horseshoe Lake 1921 Comment
  JEPS46599  Abies magnifica var. shastensis Lemmon Siskiyou Mt. Shasta Comment
  UC338681 Image available Abies magnifica var. shastensis J. G. Lemmon and Mrs. J. G. Lemmon Siskiyou forests near Mt. Shasta; ; forests near Mt. Shasta Comment
  HSC68464  Acer circinatum Maralyn A. Renner 1980-7-5 1532 Siskiyou Doe Flat 1220 Comment
  UC580674  Acer circinatum R. Bacigalupi Sep 1934 2328 Siskiyou 5 mi sw Cayton P.O.; Shasta National Forest, Bartle Quad. Comment
  HSC69237  Acer glabrum var. torreyi Maralyn A. Renner 1980-9-1 2708 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS86134  Acer glabrum var. torreyi Wayne Roderick 1956-2 Siskiyou near start of trail to Little Castle Lake (Castle Lake); Castle Lake 1676 Comment
  RSA300515  Acer glabrum var. torreyi John Dourley, Walter Wisura 1982-10-17 3880 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
Read comments
May 21 2014
  CAS-BOT-BC332795  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek Comment
  RSA0000609  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek. Comment
  SEINET7893887  Acer macrophyllum G. D. Butler 1910-5-30 1434 Siskiyou Humbug Cr. Comment
  POM85908  Acer negundo subsp. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou [Unspecified] Comment
  HSC72673  Acer negundo var. californicum J. P. Smith 1973-5-5 6569 Siskiyou Weed lots of Etna 793 Comment
  CHSC91360  Achillea millefolium Lowell Ahart; John Dittes 2005-6-9 12039 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
  JEPS74480  Achillea millefolium W. J. Ferlatte 1966-8-3 247 Siskiyou at, in wooded area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  SD104870  Achillea millefolium Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 6 miles southeast of California Highway 97 1830 Comment
  HSC96834  Achillea millefolium S. Lyon, J. McIntire 2006-6-25 21 Siskiyou On FS 39N35, .25 mi. SE of intersection with Road 39N27 1341 Comment
  RSA463115  Achillea millefolium var. californica S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  UC1409393  Achlys triphylla subsp. triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou near gap between Tom's Lake Basin and Tobacco Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  CAS-BOT-BC210750  Achnatherum nelsonii H. A. Thomas; J. H. Thomas 1954-7-24 4513 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC216925  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1097 Comment
  UCD50891  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte north of Sisson. 1097 Comment
  CAS-BOT-BC210872  Achnatherum occidentale subsp. californicum Wm. Bridge Cooke 1938-7-15 11276 Siskiyou Mount Shasta. Wagon camp-Horse Camp Trail Comment
  RSA238983  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-3 1141 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA238984  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-8-8 454 -b Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC166598  Achyrachaena mollis Geo. D. Butler 1909-5-4 666 Siskiyou dryland near Yreka Comment
  UC166139  Aconitum columbianum Geo. D. Butler 1910-7-13 1774 Siskiyou Schackleford Creek 1219 Comment
  CAS-BOT-BC391511  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt Eddy 1828 Comment
  CAS-BOT-BC391530  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  HSC61850  Aconitum columbianum subsp. columbianum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1768 Comment
  CAS-BOT-BC412911  Aconogonon davisiae Doris K. Kildale 1928-7-2 5369 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  HSC61847  Aconogonon davisiae Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC30483  Aconogonon davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; Crapo Peak Ridge trail break 2195 Comment
  CAS-BOT-BC418819  Aconogonon phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek near head 1828 Comment
  HSC61828  Aconogonon phytolaccifolium Ruby Van Deventer 1937-7-14 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391708  Actaea rubra L. E. Smith 1914-9-1 757 Siskiyou Castle Lake Comment
  HSC22210  Actaea rubra J. O. Sawyer 1969-7-11 854 Siskiyou Ravine above Parrott Mill Rd. 1280 Comment
  RSA238292  Actaea rubra subsp. arguta Frederick W. Oettinger 1968-9-1 635 Siskiyou E. shore of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  OBI55435  Adenocaulon bicolor David J. Keil 1992-7-20 23494 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest Rd 44N45, 3.9 mi S of Scott River Rd Comment
  SEINET10953807 Image available Adiantum aleuticum Edwin B. Copel 1903-9-6 Copeland 3859 Siskiyou Mt. Eddy. 1463 Comment
  JEPS95063  Agastache parvifolia Vernon Oswald and Lowell Ahart 1997-7-28 8771 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1365 Comment
  HSC76873  Ageratina occidentalis K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  UCD77304  Ageratina occidentalis Robert E. Preston 2001-8-26 1773 Siskiyou Klamath National Forest, Rainbow Mountain. 2072 Comment
  UC163886  Agoseris X dasycarpa Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest, foothills of Goosenest 1524 Comment
  UC75800  Agoseris X dasycarpa Milo S. Baker 1897-8-1 154 Siskiyou top Medicine Lake Mts. 2438 Comment
  CHSC69063  Agoseris aurantiaca Vernon H. Oswald; Lowell Ahart 1997-7-8 8785 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southest of Paynes Springs. 1920 Comment
  HSC92582  Agoseris aurantiaca Jennifer Whipple 1977-8-6 2212 Siskiyou Mt. Eddy; SW of Dobkins Lake along drainage into the lake 2195 Comment
  UC922276  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5839 Siskiyou trail to Kings Castle ((top of ridge)); Marble Mountains, Paradise Lake 1920 Comment
  RSA14497  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CHSC69064  Agoseris glauca var. monticola Vernon Oswald; Lowell Ahart 1997-7-28 8797 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  SEINET6738522 Image available Agoseris grandiflora G. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  UCD128610  Agoseris heterophylla Robert E. Preston 2002-6-20 1850 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1968 Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  CAS-BOT-BC13473  Agoseris retrorsa LeRoy Ellsworth Detling 1950-6-9 6605 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  UCD128661  Agoseris retrorsa Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  UCD35431  Agrostis exarata Beecher Crampton 1956-8-21 3826 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  UCD52414  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1249 Comment
  CAS-BOT-BC139560  Agrostis gigantea David D. Keck 1938-8-7 4857 Siskiyou Scott mountain Lodge, 2 miles east of Callahan, on east Fork of Scott River at junction with Mill Creek. 1000 Comment
  CAS-BOT-BC139564  Agrostis gigantea David D. Keck 1949-7-19 6349 Siskiyou 2 miles south of Grenada, along R.R. right-of-way. 777 Comment
  LA206324  Agrostis humilis J. R. Swallen; 1939-8-8 13815 Siskiyou Mount Shasta, around the water supply spring above Horse Camp Comment
  RSA233687  Agrostis humilis R. F. Thorne, Fred Oettinger 1969-8-10 38956 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  JEPS84087  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  SEINET7594040 Image available Agrostis idahoensis F. W. Oettinger [s d ] 736 Siskiyou toward peak from Bear Meadow, Tom' Lake region, Salmon Mountains 2187 Comment
  RSA238348  Agrostis stolonifera Frederick W. Oettinger 1969-8-16 1397 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  UCD53604  Agrostis stolonifera Beecher Crampton 1956-8-22 3868 Siskiyou Wagon Camp Road, about 5.5 miles SW of Panther Meadow, lower south slopes of Mt. Shasta. 1645 Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  UC1059001  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou s slope Mount Shasta (Panther Meadow); s slope Mount Shasta, Panther Meadow 2316 Comment
  JEPS83010  Allium acuminatum Roger Raiche with Kurt Zadnik 1982-10-14 20807 Siskiyou Forest Service Road 42N17 about 2 mi w Stewart Springs Road; Mt. Eddy area 1219 Comment
  RSA550217  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Sandy soil layer over a conglomerate substrate on a steep slope above the dirt road running NW from Hilt, 4.8 miles NW of Interstate 5 at the Hilt exit. Comment
  UC1045265  Allium campanulatum W. Bridge Cooke 1940-7-5 15245 Siskiyou along the road below Wagon Camp; Mount Shasta Comment
  RSA237878  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou North of Tom s Lower pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  HSC91453  Allium falcifolium Jennifer Whipple 1976-7-1 1225 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS2716 Image available Allium falcifolium W. L. Jepson 1907-7-5 2830 Siskiyou Marble Mt. Comment
  CAS-BOT-BC469077  Allium falcifolium Arthur Menzies 1962-7-21 s.n. Siskiyou Mt Eddy 2529 Comment
  CAS-BOT-BC469242  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11716 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  SEINET10839450  Allium falcifolium Mary Susan Taylor 1980-7-8 Taylor 3111 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  RSA697276  Allium peninsulare var. peninsulare D. W. Taylor 1996-5-29 15641 Siskiyou Marble Mountains; Drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley, Klamath National Forest. 854 Comment
  HSC67715  Allium validum John Palmer 1980-7-24 615 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC78219  Allium validum L. P. Janeway 1983-8-6 512 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  RSA237879  Allium validum Frederick W. Oettinger 1967-7-30 219 Siskiyou The NW side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC618907  Allotropa virgata W. Bridge Cooke 1938-7-15 11227 Siskiyou Mount Shasta 2133 Comment
  CAS-BOT-BC171397  Alnus incana subsp. tenuifolia Geo. B. Grant 1902-9-6 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC169637  Alnus rhombifolia Carl B. Wolf 1927-8-26 1042 Siskiyou On the Klamath River, 4 mi N of Gottville Comment
  RSA211261  Alnus viridis subsp. sinuata W. J. Ferlatte 1966-7-7 192 Siskiyou A flora of the Trinity Alps of northern California ; Caribou Basin. 1982 Comment
  HSC63075  Alyssum alyssoides David Wheeler 1979-4-8 36 Siskiyou Comment
  UC163668  Amaranthus blitoides Geo. D. Butler 1909-8-18 1067 Siskiyou near Yreka Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  CAS-BOT-BC136891  Amelanchier utahensis A. A. Heller 1905-6-9 8003 Siskiyou On the hills just east of Yreka Comment
  UC454971  Amelanchier utahensis I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 1828 Comment
  JEPS95387  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1994-8-1 6416 Siskiyou 7.8 mi. s.w.of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 1.5 mi. e. of Forest Rd. 40N43) 1341 Comment
  RSA238884  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou North of Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1776 Comment
  RSA416596  Anaphalis margaritacea L. C. Wheeler 1934-8-14 3120 Siskiyou 1 mile W White Mt. 1921 Comment
  RSA501140  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 Comment
  SEINET8410930  Andersonglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Shackleford Creek. Comment
  HSC29427  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC40  Anemone deltoidea William J. Ferlatte 1966-8-19 433 Siskiyou Kidd Creek Trail. 1707 Comment
  UC1025127  Anemone deltoidea Douglas Barbe 1955-7-6 135 Siskiyou ne shore Taylor Lake; Klamath Mtns, Salmon Mtns 1950 Comment
  JEPS74465  Anemone drummondii W. J. Ferlatte 1966-6-23 120 Siskiyou Trinity Alps, Dorleska summit 2133 Comment
  UC1094391  Anemone drummondii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5952 Siskiyou ca. 6 mi. due s. Mt. Eddy (slope above s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  CAS-BOT-BC391931  Anemone lyallii W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, Mt Shasta region Comment
  HSC55712  Anemone occidentalis G. L. Clifton, Griswold 1979-7-26 10123 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA259561  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside W of Cliff Lake 1982 Comment
  RSA331951  Anemone occidentalis Walter Wisura 1985-7-31 4085 Siskiyou Mt. Shasta, end of Everitt Memorial Hwy, in Rocky Ravin. Comment
  RSA537380  Anemone occidentalis Walter Wisura, J. Romero 1991-10-16 4592 Siskiyou SW-slopes of Mt. Shasta near Ski bowl. Comment
  SBBG25866  Angelica breweri D. Myrick 1966-8-8 1499 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  JEPS120189  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  UC166568  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek Comment
  UC221516  Antennaria argentea H. E. Brown Jun 1 1897-Jun 10 1897 297 Siskiyou near Sisson 1083 Comment
  HSC46193  Antennaria dimorpha Jennifer Whipple 1977-4-30 1890 Siskiyou Scott Valley near Weston Gulch 854 Comment
  RSA48004  Antennaria dimorpha Roxana S. Ferris, Laura Lorraine 1948-6-12 11831 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  HSC21991  Antennaria media J. O. Sawyer 1969-7-7 1085 Siskiyou Little Duck Lake 1966 Comment
  JEPS89482  Antennaria racemosa Dean William Taylor 1972-7-3 1598 Siskiyou at Cook and Green pass Cook and Green pass 1371 Comment
  HSC33962  Antennaria rosea subsp. rosea J. P. Smith 1974-5-25 7446 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC725670  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch Comment
  UC1034585  Anthemis cotula Douglas Barbe 1955-7-1 84 Siskiyou 6 mi s Etna; Scott Valley 883 Comment
  CHSC75666  Apocynum androsaemifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9808 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  UC105499  Apocynum androsaemifolium Brandegee July 1887 Siskiyou Sissons Comment
  RSA105435  Apocynum androsaemifolium subsp. pumilum G. D. Barbe 1955-6-30 53 Siskiyou Just west of Forest Camp, Etna 915 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  CAS-BOT-BC394983  Aquilegia formosa H. A. Thomas; J. H. Thomas 1954-7-23 4476 Siskiyou Salmon - Trinity Mts, about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  SD98958  Aquilegia formosa Darley F. Howe 1977-7-1 Siskiyou Scott Mt. Creek, Scott Mts. 1096 Comment
  HSC58916  Aquilegia formosa var. truncata Marvin Butler 1971-7-19 152 Siskiyou Near El Capitan 1464 Comment
  RSA0125743  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  POM256018  Arabis divaricarpa Marion Ownbey, Ruth Ownbey 1938-7-20 1760 Siskiyou 1 mile E of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  HSC62591  Arabis glabra Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  UC61173  Arabis glabra W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  RSA0125828  Arabis glabra R. F. Thorne 1969-8-2 63331 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC165312  Arabis holboellii Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake Shackleford Creek 1219 Comment
  HSC22399  Arabis holboellii var. pinetorum J. O. Sawyer 1969-8-5 1969 Siskiyou Slopes W of South Sugar Creek 1799 Comment
  RSA482584  Arabis holboellii var. pinetorum B. C. Templeton 1964-6-9 10166 -b Siskiyou Slope of Mt. Shasta Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  HSC69259  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-20 3743 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA0129805  Arabis platysperma P. A. Munz 1960-8-22 24191 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  HSC90561  Arabis platysperma var. howellii Jennifer Whipple 1976-7-9 1404 Siskiyou N facing slopes in the Eddy Creek drainage 2226 Comment
  HSC90570  Arabis puberula Jennifer Whipple 1976-6-11 961 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC6569  Arabis rectissima W. L. Jepson 1894-7-24 59 Siskiyou Mt. Shasta region, Muir Peak and Upton Plateau, N of Sisson Comment
  RSA138227  Aralia californica P. C. Everett, E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. W from Red Bank F. S. Camp, on road to Somesbar from Sawyers Bar Comment
  CAS-BOT-BC171027  Aralia californica Doris K. Kildale 1925-9-6 1299 Siskiyou Rodger Creek bridge, Klamath River Comment
  CDA38201  Aralia californica D. H. Shaw & D. Osterhandt 1978-7-25 s.n. Siskiyou McNeal Creek, near Fork of Salmon. 0 Comment
  CAS-BOT-BC407706  Arceuthobium americanum Peter H. Raven 1956-9-5 10456 Siskiyou North Fork of Sacramento River 2011 Comment
  SEINET3239876  Arceuthobium californicum R. L. Mathiasen 2010-1 1016 Siskiyou 17.4 km from Rte. 96 on Dillon Mtn. rd. 1310 Comment
  JEPS40133  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  JEPS40134  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  UCD101939  Arceuthobium campylopodum D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Mount Shasta basis. 1650 Comment
  UCD78114  Arceuthobium campylopodum Robert E. Preston 2003-7-31 2175 Siskiyou N slope of Rainbow Mountain 1706 Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
Read comments
Jun 7 2012
  UCSB24813  Arceuthobium douglasii Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seiad Valley 1341 Comment
  UCD50870  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20802 Siskiyou Around the little lake above and to east of Upper Cliff Lake. Comment
  SEINET11989680  Arctostaphylos klamathensis Unknown 1982-1 20800 Siskiyou above middle Cliff Lake (& between Terrace Lake & Upper Cliff Lake on cliffs) 1951 Comment
  SEINET11998396  Arctostaphylos klamathensis R. Raiche, Edwards, S. 1986-1 60256 Siskiyou Terrace Lake 1914 Comment
  CAS-BOT-BC40020  Arctostaphylos nevadensis Doris K. Kildale 1929-8-25 9094 Siskiyou Wiskey Lake on trail to Preston Peak 1524 Comment
  OBI36626  Arctostaphylos nevadensis David J. Keil 1983-7-3 17383 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  RSA68855  Arctostaphylos nevadensis A. E. Culbertson 1943-6-26 101 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC412651  Arctostaphylos nevadensis Mus. Vert. Zool. 1911-6-21 166 Siskiyou Jackson Peak and Lake 2438 Comment
  UCD59182  Arctostaphylos nevadensis Steve Edwards; Wayne Roderick 1983-7-10 102 Siskiyou On Cook and Green Pass east of the pass. 1524 Comment
  UCR179177  Arctostaphylos nevadensis Robert E. Preston 2001-6-23 1560 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1829 Comment
  CAS-BOT-BC46487  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 944 Comment
  HSC30332  Arctostaphylos patula Dale R. Gradek 1974-5-27 88 Siskiyou 4 mi. SW of Chandler Glade on FS Rd. 47N03 1524 Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  UC876449  Arctostaphylos patula Lewis S. Rose 1937-7-25 37596 Siskiyou Mt. Shasta City 1158 Comment
  CDA38691  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  CAS-BOT-BC47013  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-7-20 8569 Siskiyou S. fork of Indian Creek, near Happy Camp. 457 Comment
  UC1971401  Arctostaphylos viscida subsp. viscida Louis C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  UC198692  Arenaria congesta var. suffrutescens Annie M. Alexander and L. Kellogg 1911-7-28 203 Siskiyou Wildcat Peak 2194 Comment
  CHSC69067  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1997-7-28 8805 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  POM360730  Arnica chamissonis N. C. Cooper 1948-6-16 5095 Siskiyou Margins of Grass Lake, a drying vernal lake north of Mount Shasta 1524 Comment
  UC166179  Arnica cordifolia Geo. D. Butler 1909-4-14 643 Siskiyou Humbug road Comment
  HSC29303  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area, above English Lake outlet along route from Charmaine to English Lake 1921 Comment
  HSC46235  Arnica cordifolia Jennifer Whipple 1977-7-22 2044 Siskiyou Mt. Eddy 2256 Comment
  SEINET6774985 Image available Arnica cordifolia G. D. Butler 1910-4-21 1216 Siskiyou Dry hills Oro Fiero [illegible] Comment
  CAS-BOT-BC82557  Arnica discoidea Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA237228  Arnica discoidea Frederick W. Oettinger 1967-6-28 134 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UC933412  Arnica discoidea Annie M. Alexander 1948-9-14 5620 Siskiyou on open slope near mouth of Canyon Creek; Scott River 762 Comment
  HSC29105  Arnica diversifolia Frederick W. Oettinger 1969-8-9 1441 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; 1/2 mile NNE of English Peak and within English Lake Basin 1951 Comment
  UC1540193  Arnica lanceolata subsp. prima Dean W. Taylor 1987-6-26 9062 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  CAS-BOT-BC82665  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  RSA215646  Arnica latifolia Gilbert Muth 1969-8-10 1310 Siskiyou Ridge west of Boulder Peak 2226 Comment
  RSA718800  Arnica latifolia L. P. Janeway 2006-7-2 8740 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. 1561 Comment
  CAS-BOT-BC82691  Arnica longifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  LA202931  Arnica mollis Wm. Bridge Cooke; 1939-8-24 13901 Siskiyou Mount Shasta, along the W branch of Squaw Valley Creek 2285 Comment
  JEPS105131  Arnica ovata Dean W. Taylor 1996-7-11 15783 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  JEPS125880  Arnica ovata Dean W. Taylor 1996-7-26 15842 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  HSC77111  Artemisia arbuscula subsp. thermopola K. T. Stillman 1976-6-25 97 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  CHSC71849  Artemisia douglasiana Vernon H. Oswald; Lowell Ahart 1998-9-8 9602 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  CAS-BOT-BC90484  Artemisia douglasiana K. T. Stillman 1976-9-9 486 Siskiyou Marble Mountain Wilderness Area, Trail from jump off to Paradise Lake. Scott Bar quad. 1950 Comment
  CAS-BOT-BC97416  Artemisia tridentata subsp. tridentata Alice Eastwood 1921-7-28 10879 Siskiyou Medicine Lake Comment
  RSA127616  Artemisia tridentata subsp. tridentata George H. Ward 1949-7-14 828 Siskiyou Stony, sandy soil, ca. 15 mi. NE of Weed Comment
  UC1190087  Artemisia tridentata subsp. tridentata George H. Ward and Ann Ward 1949-7-14 828 Siskiyou 15 mi ne Weed Comment
  UC166157  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC447709  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-10 15256 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC447717  Aruncus dioicus var. vulgaris Doris K. Kildale; J. W. Gillespie 1929-6-22 8028 Siskiyou Boulder Creek, south of Dunsmuir on Pacific Highway Comment
  CAS-BOT-BC400692  Asarum hartwegii J. H. Thomas 1954-5-13 4132 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  SEINET5470288 Image available Asarum hartwegii George Neville Jones 1967-6-29 45503 Siskiyou Near Dunsmuir- lower slopes of Mt. Shasta- alt. 3000 Comment
  UC164123  Asclepias cordifolia Geo. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  SEINET10580360  Asclepias cordifolia Edward L. Greene 1876-6-19 Greene 862 Siskiyou Near Yreka Comment
  CHSC71848  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  UC705672  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou near Hornbrook; Ditch Creek Comment
  SEINET10950966  Asclepias speciosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  SEINET3158828  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  SEINET3158835  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  CAS-BOT-BC69553  Aspidotis densa Ira L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake (head-waters of Grouse Creek). 1828 Comment
  CAS-BOT-BC99243  Aster W. R. Dudley 1899-8-13 s.n. Siskiyou Near Pig Creek, McCloud Comment
  RSA120878  Aster Douglas Barbe 1955-7-26 261 Siskiyou NW slope of Scott Mt. 1829 Comment
  RSA770804  Aster behringensis H. M. Hall 1902-9-6 s.n. Siskiyou [no specific location on label] 1128 Comment
  POM193509  Aster oregonensis J. B. Feudge 1928-8-11 1912 Siskiyou Mt. Shasta City 1037 Comment
  RSA770803  Aster oregonensis H. M. Hall 1902-9-6 s.n. Siskiyou [no specific location on label] 1128 Comment
  CAS-BOT-BC178820  Astragalus californicus Geo. D. Butler 1910-5-5 1284 Siskiyou Humbug Mountain Comment
  RSA111033  Astragalus curvicarpus R. C. Barneby 1954-5-18 11504 Siskiyou 2.5 miles N of Gazelle. Alt. 2750 feet. Comment
  UCD104694  Astragalus curvicarpus M. F. Wojciechowski; M. J. Sanderson 1998-6-17 809 Siskiyou Roadside, along US highway 97 at California-Oregon border. Comment
  CDA26664  Astragalus filipes L. Ahart, J. Dittes 2005-6-1 12092 Siskiyou North of the rock fence, 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. Comment
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Oct 5 2019
  NY658494  Astragalus filipes E. L. Greene 1876-6-14 847 Siskiyou Near Yreka Comment
  RSA582464  Astragalus inversus L. C. Wheeler 1935-5-26 3530 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
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Jan 30 2015
  RSA143714  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou Near Bray. Comment
  UCD105213  Astragalus purshii Wm. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  RSA48586  Astragalus purshii var. lectulus P. A. Munz 1949-5-18 13310 Siskiyou 2 miles southwest of Gazelle. Comment
  UC164061  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou dry hills near Yreka; near Yreka Comment
  CAS-BOT-BC199150  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-26 s.n. Siskiyou Slope of Mt. Eddy. Comment
  RSA516373  Astragalus whitneyi var. siskiyouensis Barbara J. Ertter 1985-5-30 5758 Siskiyou 2.6 mi N of Scott Mt Summit on Hwy 3 SE of Callahan. 1402 Comment
  HSC973  Athyrium distentifolium var. americanum Dorothy Parker 1949-7-10 332 Siskiyou Green Meadow near Paradise Lake, Salmon Mtn. 1982 Comment
  UC399393  Athyrium distentifolium var. americanum Geo. D. Butler 1909-7-15 876 Siskiyou head of Taylor Creek Comment
  JEPS80575  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 Siskiyou Creek at Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC17619  Athysanus pusillus W. J. Crins; et al 1988-4-18 7431 Siskiyou Klamath National Forest. 10 km. west of I-5 on Highway 96, Tree-of-Heaven Camp. Comment
  UC164030  Atriplex rosea Geo. D. Butler 1909-9-20 1066 Siskiyou damp fields near Yreka; damp fields near Yreka Comment
  HSC96813  Balsamorhiza deltoidea S. Lyon, J. McIntire 2006-6-25 29 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 Comment
  HSC29189  Barbarea orthoceras Frederick W. Oettinger 1969-7-13 997 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: N of Upper English Lake 1799 Comment
  RSA237234  Barbarea orthoceras Frederick W. Oettinger 1969-7-13 997 Siskiyou North of Upper English Lake; Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1777 Comment
  UC718153  Berberis aquifolium var. aquifolium Carl B. Wolf 1934-7-5 5973 Siskiyou 7 mi from Oak Knoll Ranger Station (on Klamath River, on rd to Dry Lake Lookout); Siskiyou Mts 1371 Comment
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Mar 29 2012
  HSC27973  Berberis nervosa Carl W. Mize 1972-9-23 110 Siskiyou Along Steinacher Creek Rd. 762 Comment
  HSC3350  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldredge's Corral, Russian Creek Comment
  CAS-BOT-BC75918  Berberis piperiana Doris K. Kildale 1929-4-27 7500 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CDA38215  Berula erecta Carrick 1943-1 s.n. Siskiyou Weed. 0 Comment
  CAS-BOT-BC169474  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy, W of Sisson, on open southeastern gravelly and stony slope 1524 Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 Comment
  JEPS95283  Betula occidentalis Vernon H. Oswald and L. Ahart 1994-8-1 6443 Siskiyou T41N R6W NW1/4 Sec. 22, 5600 ft, Yellow Pine Forest. Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed 1706 Comment
  RSA17903  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Sisson. Comment
  CAS-BOT-BC102031  Bidens laevis L. E. Smith 1915-8-1 s.n. Siskiyou Aetna Mills Comment
  CAS-BOT-BC413081  Bistorta bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  HSC92980  Bistorta bistortoides Jennifer Whipple 1976-7-8 1355 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  CAS-BOT-BC127936  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  JEPS95284  Blepharipappus scaber Vernon H. Oswald and L. Ahart 1994-8-1 6444 Siskiyou T41N R6W NW1/4 Sec. 22, 3760 ft, Yellow Pine Forest. Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed 1146 Comment
  POM250770  Blepharipappus scaber D. D. Keck 1938-8-8 4861 Siskiyou 0.4 mile south of Scoot Mountain Lodge, near Mill Creek Scott Mountains. 1040 Comment
  UCD114342  Boechera howellii Robert E. Preston 1984-7-26 495 Siskiyou Green Butte, on s slope of Mt. Shasta. Comment
  CAS-BOT-BC14112  Boechera pauciflora Alice Eastwood; John Thomas Howell 1934-4-20 1768 Siskiyou Near Yreka along Shasta River. Comment
  CAS-BOT-BC14272  Boechera pinetorum John Thomas Howell 1937-7-29 13675 Siskiyou North slope of Scott Mountains. 1676 Comment
  CAS-BOT-BC14414  Boechera platysperma G. B. Grant 1902-9-7 s.n. Siskiyou Mount Shasta. Horse Camp. 1219 Comment
  CAS-BOT-BC14670  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC25729  Boechera sparsiflora Alice Eastwood 1912-8-30 1962 Siskiyou Mount Eddy. Comment
  UC932078  Boechera sparsiflora Verne Grant and Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  SEINET3561644 Image available Boschniakia strobilacea James Montgomery 1969-7-24 80918 c Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  HSC63260  Boykinia major M. A. Baker 1979-7-30 1079 Siskiyou Draw W of trail to Rainy Lake Comment
  UCD77426  Brickellia grandiflora Robert E. Preston 2001-7-21 1711 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2026 Comment
  RSA238756  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou Base of cliff due ENE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC3257  Brodiaea coronaria subsp. coronaria Miss Edmonds 1890-7-8 Siskiyou Comment
  SEINET10533786  Brodiaea crocea F. Marion Ownbey 1941-6-22 Ownbey 2419 Siskiyou Gravelly soil in open pine forest, just south of Craggy Mounatin, Northwest of Yreka. Comment
  JEPS73754  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-2 814 Siskiyou near Yreka Comment
  UC70745  Bromus carinatus var. carinatus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  UCD59177  Bromus carinatus var. marginatus Geo. D. Butler 1909-5-21 815 Siskiyou Near Yreka. Comment
  UCD59192  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-25 843 Siskiyou Near Yreka. Comment
  CDA1822  Bromus inermis T. C. Fuller 1962-8-3 9494 Siskiyou Highway 139 to Stronghold, 0.2 miles southeast of the town of Tulelake. 0 Comment
  UCR37855  Bromus marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC204779  Bromus racemosus Geo. D. Butler 1908-6-25 476 Siskiyou near Yreka Comment
  RSA184791  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Trail to lookout, on ridge, Marble Mountains 2043 Comment
  CAS-BOT-BC185596  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97. 1554 Comment
  CAS-BOT-BC185600  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  CAS-BOT-BC185604  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  HSC43112  Bromus tectorum Maralyn O'Meara 1974-5-25 365 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCD59948  Bromus tectorum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3382 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  HSC26914  Calamagrostis canadensis var. langsdorffii J. P. Smith, J. O. Sawyer 1971-9-17 4777 Siskiyou Little Duck Lake Comment
  HSC30655  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1184 Siskiyou Marble Mtn. Wilderness Area, on moraine N of Tobacco Lake 1890 Comment
  UC816584  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou Mt. Eddy; n side Comment
  UCD57255  Calamagrostis koelerioides A. H. Murphy 1955-7-28 55 H Siskiyou Klamath National Forest, Marble Mountains, Hancock Lake. 1889 Comment
  UC163688  Callitriche verna Geo. D. Butler 1908-8-27 406 Siskiyou Oro Fino Creek Comment
  HSC92674  Calocedrus decurrens Jennifer Whipple 1977-8-5 2191 Siskiyou Slopes near Little Crater Lake 2195 Comment
  JEPS39848  Calocedrus decurrens W. L. Jepson 1907-7-19 2946 Siskiyou Indian Creek Siskiyou Mts., Indian Creek Comment
  RSA121614  Calochortus coeruleus G. D. Barbe 1955-7-6 115 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  SBBG16027  Calochortus elegans D. Myrick 1961-6-20 283 Siskiyou Bear Springs, Mt Shasta 1676 Comment
  CAS-BOT-BC488613  Calochortus elegans var. nanus Wm. Bridge Cooke 1938-7-1 11154 Siskiyou Above Bear Spring. (Transition); Mount Shasta 1600 Comment
  SEINET10971608 Image available Calochortus greenei Edward L. Greene 1876-7-6 Greene 914 Siskiyou on Table Rock, Little Shasta River. Comment
  CHSC2237  Calochortus macrocarpus V. Holt 1932-7-11 Siskiyou Haystack Butte. Comment
  RSA52433  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near Calif.-Ore. border 1220 Comment
  CHSC2227  Calochortus nudus V. Holt 1932-6-29 Siskiyou Castle Lake. 1950 Comment
  SEINET8214323  Calochortus persistens Frank T. Callahan 1972-7-15 Siskiyou Gunsight Peak, Mahogany Pt; west of Yreka, California. 1896 Comment
  HSC44905  Calochortus tolmiei J. P. Smith 1973-5-5 6409 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC132652  Calochortus uniflorus Mrs. H. P. Bracelin 1931-6-20 441 Siskiyou Northeast slope of Mt. Eddy, Wagon Creek Canyon 1188 Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC22852  Caltha leptosepala J. O. Sawyer 1969-6-13 943 Siskiyou W of Little Duck Lake 2043 Comment
  HSC44941  Caltha leptosepala J. O. Sawyer 1978-6-20 3263 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UCD95573  Caltha leptosepala John M. Tucker; D. V. Hemphill 1974-7-27 4308 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA788190  Calycadenia ciliosa R. L. Carr 1978-8-21 2159 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Rd. Comment
  CAS-BOT-BC273386  Calycadenia fremontii G. D. Carr 1974-9-11 780 Siskiyou 2.0 mi NE of Callahan on Gazelle-Callahan Rd 1007 Comment
  HSC45198  Calypso bulbosa J. O. Sawyer, E. Cope 1977-6-21 2983 Siskiyou Near Prescott Peak 1677 Comment
  SEINET7096759  Calyptridium monandrum A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  UCD77436  Calyptridium monospermum Robert E. Preston 2003-7-29 2165 Siskiyou S slope of Rainbow Mountain. 1787 Comment
  CAS-BOT-BC221258  Calystegia malacophylla subsp. malacophylla Alice Eastwood No date on label 1276 Siskiyou Sisson Comment
  RSA394811  Calystegia occidentalis subsp. occidentalis M. B. Dunkle 1944-7-15 9109 Siskiyou Siskiyou Natl. Forest. Comment
  CAS-BOT-BC497586  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  UC1096786  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou just s of Weed (Northern Coast Ranges); Northern Coast Ranges Comment
  SEINET3142707  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  UC1190263  Campanula prenanthoides Ira L. Wiggins 1955-7-23 13463 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  POM148010  Campanula rotundifolia J. B. Feudge 1927-7-22 1776 Siskiyou Trail to Mt. Shasta City to Mt. Eddy. Comment
  SEINET10972072  Campanula scabrella Muth 1978-8-1 MUTH 6957 Siskiyou Near Cory Peak, on the China Mountain quadrangle, close to the town of Callahan 2195 Comment
  SEINET10463374  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou NEAR DEADFALL, CHINA MT QUAD., IN CONIFER FOREST 2341 Comment
  UC334030  Campanula scouleri unknown Siskiyou near Shasta Comment
  SEINET10463435  Campanula scouleri A. Arthur Heller 1915-7-18 Heller 12106 Siskiyou METCALF'S RANCH, NE BASE OF MT EDDY, MOIST SOIL 1189 Comment
  SEINET10463780  Campanula scouleri Sawyer 1971-8-19 SAWYER 2452 Siskiyou Scott Bar quadrangle; on trail to Marble Valley near Lovers Camp. T43N R11W Sec. 7 1311 Comment
  CHSC99588  Campanula shetleri L. P. Janeway 2008-7-22 9448 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  UCD66988  Campanula wilkinsiana Joseph DiTomaso 1980-8-21 1893 Siskiyou Kidd Creek Meadows, Trinity Alps Primitive Area. 2042 Comment
  SEINET10463876  Campanula wilkinsiana Hosford 1881-8-24 HOSFORD s.n. Siskiyou Mount Shasta Comment
  SEINET10905984  Campanula wilkinsiana John G. Lemmon 1888-9-12 Lemmon s.n. Siskiyou Side of Mount Shasta Comment
  HSC78220  Capsella bursa-pastoris L. P. Janeway 1983-8-28 648 Siskiyou Poker Flat 1529 Comment
  UCD114132  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  UC1368675  Cardamine bellidifolia var. pachyphylla W. B. and V. G. Cooke Siskiyou n side Red Butte (neath the South Gate, Mount Shasta); Mount Shasta, n side Red Butte Comment
  HSC77125  Cardamine nuttallii K. T. Stillman 1976-6-25 101 Siskiyou Marble Mtn. Wilderness Area, upper Marble Valley Comment
  JEPS116630  Carduus nutans Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -005 Siskiyou North side Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  POM254197  Carex abrupta J. T. Howell 1939-8-9 15192 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA237333  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1249 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC822666  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou a short distance below Shasta Springs (between Shasta Retreat and Shasta Springs) Comment
  HSC41063  Carex amplifolia J. O. Sawyer 1969-6-27 861 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  CAS-BOT-BC17894  Carex angustata W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain. Comment
  CAS-BOT-BC17968  Carex angustata Frank Walton Gould 1940-5-14 1229 Siskiyou Bull Meadows, Goosenest Mountain. 1524 Comment
  UCD140097  Carex angustata A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  HSC76314  Carex aquatilis L. P. Janeway 1982-8-22 178 Siskiyou Near the old jeep road between Poker Flat and Kelly Lake 1555 Comment
  CHSC40184  Carex aquatilis var. aquatilis L. P. Janeway 1982-8-21 167 Siskiyou From the upper Twin Valley meadow. 1584 Comment
  SEINET11309953 Image available Carex atherodes Unknown 2009-1 24601 Siskiyou North side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area, Cascade Range Highlands (CaRH). Comment
  HSC76844  Carex athrostachya L. P. Janeway 1982-8-13 121 Siskiyou 4 m from creeklet that joins Bear Creek 1555 Comment
  SEINET13329598  Carex aurea D. W. Taylor 2002-6-10 18126 Siskiyou Scott Mountain, bog along unnamed creek between Grouse Creek and Little Carmen Creek along Forest Road 40N08 1189 Comment
  CAS-BOT-BC19096  Carex aurea William Bridge Cooke 1939-6-23 13539 Siskiyou In the Lower Wagon Camp spring area. 1737 Comment
  JEPS63754  Carex barbarae W. L. Jepson Jul 1894 57 a Siskiyou Sisson Comment
  RSA237237  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Hot slope above English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  LA17374  Carex breweri L. Ellison; 1928-9-12 500 Siskiyou Mount Shasta 3017 Comment
  HSC81983  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4855 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  HSC73326  Carex concinnoides Gail Newton 1980-6-20 488 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC98367  Carex echinata subsp. echinata Thomas W. Nelson; Jane P. Nelson 1984-7-28 7708 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  HSC76833  Carex exsiccata L. P. Janeway 1982-8-2 103 Siskiyou 3.5 mi. up FS Rd. 18N30 from S Fork Indian Creek, 1.25 mi. down spur road into Coon Run 793 Comment
  CHSC40187  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou At edge of rd 18N33 ca 7 mi from the Grayback Rd. 1463 Comment
  CHSC69096  Carex halliana Vernon Oswald; Lowell Ahart 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  JEPS100298  Carex halliana Dean W. Taylor 2001-8-28 17906 Siskiyou Mt. Shasta; western base of Ash Creek Butte 1767 Comment
  HSC97428  Carex hoodii Jennifer Whipple 1978-7-20 2353 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  CHSC82806  Carex inops subsp. inops L. P. Janeway 2002-7-12 7623 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek. 1573 Comment
  JEPS25936  Carex inops subsp. inops B. C. Goldsmith 1916-6-22 2 Siskiyou SE of Mount Shasta, Pilgrim Creek, McCloud Flat. Comment
  POM254203  Carex integra J. T. Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC61817  Carex interior Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SEINET10710013  Carex jonesii A. Arthur Heller 1922-7-15 Heller 13706 Siskiyou Plentiful in moist meadows at Medicine Lake, Canadian zone. 2134 Comment
  RSA237328  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET7563585 Image available Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou From Tom's Upper Pond to Tom's Lower Pond. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area. 2012 Comment
  POM81782  Carex lenticularis var. impressa Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  CHSC107133  Carex leptopoda R. E. Brainerd 2009-7-22 1554 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  HSC73328  Carex leptopoda Gail Newton 1980-6-20 490 Siskiyou Near Bald Mtn. 1097 Comment
  HSC96546  Carex luzulina Gordon Leppig 1998-7-10 911 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC31629  Carex luzulina var. ablata John Thomas Howell 1939-8-3 14968 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA237350  Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou Southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2149 Comment
  CAS-BOT-BC32004  Carex multicaulis George Dexter Butler 1909-5-30 856 Siskiyou Humbug Mountain. Comment
  HSC37143  Carex multicaulis J. O. Sawyer 1968-6-25 312 Siskiyou Along Horse Range Creek 1829 Comment
  JEPS63686  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  HSC76788  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  CAS-BOT-BC23423  Carex multicostata John Thomas Howell 1937-7-24 13429 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  CAS-BOT-BC23426  Carex multicostata John Thomas Howell 1939-8-9 15231 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  HSC29633  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  HSC76373  Carex nebrascensis L. P. Janeway 1982-8-14 133 Siskiyou Between Hwy. 96 and Klamath River, near level of Hwy. 427 Comment
  HSC29644  Carex nigricans Frederick W. Oettinger 1968-8-2 359 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  SEINET7568931 Image available Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, north side of English Peak. 2164 Comment
  CAS-BOT-BC119467  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CAS-BOT-BC119210  Carex pachystachya H. M. Hall; E. B. Babcock 1903-6-1 4063 Siskiyou Sisson, in the Transition Zone., Mt Shasta. 1066 Comment
  CHSC71507  Carex pellita Vernon H. Oswald; Lowell Ahart 1998-7-21 9353 Siskiyou Northeast of Weed and south of Macdoel in an area of marshes and wet meadow along Old State Highway on the west side of Bray. 1417 Comment
  RSA577426  Carex praegracilis L. C. Wheeler 1935-6-30 3633 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  POM81204  Carex preslii Geo D. Butler 1909-6-13 806 Siskiyou Orr Hins? Comment
  HSC76823  Carex scabriuscula L. P. Janeway 1982-8-13 125 Siskiyou 70 m N of Bear Lake at edge of seasonal channel 1814 Comment
  HSC39284  Carex scopulorum J. O. Sawyer 1969-7-11 1327 Siskiyou S Sugar Creek 1829 Comment
  CAS-BOT-BC118224  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Along Wagon creek on Mt. Eddy 2225 Comment
  JEPS84063  Carex scopulorum var. bracteosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6435 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  HSC96604  Carex scopulorum var. bracteosa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 485 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET7575051 Image available Carex scopulorum var. bracteosa Ray Tallent 1987-8-12 906 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  CAS-BOT-BC117239  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows. Upper portions of the meadows at Squaw and Panther Creeks 2590 Comment
  SEINET7575714 Image available Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 a Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, Bear Meadow above Tom Taylor Cabin. 2164 Comment
  SEINET10749734  Carex sterilis A. Arthur Heller 1905-6-15 Heller 8041 Siskiyou Near Sisson. Comment
  SEINET4292102 Image available Carex straminiformis L. Janeway, Castro, B 2007-1 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the north-west-trending shoulder. Open exposed slope above theforest of mountain hemlock and red fir. Comment
  CAS-BOT-BC117067  Carex straminiformis William Henry Brewer 1398 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC33155  Carex straminiformis William Henry Brewer 1397 Siskiyou Pyramid Peak 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
  CAS-BOT-BC115844  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Mt Shasta. 1981 Comment
  POM211462  Carex subfusca L. C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  JEPS109253  Carex whitneyi D. W. Taylor 2005-7-12 19382 Siskiyou Antelope Creek, along unnamed tributary that drians from Rainbow Mountain, just upstream from the crossing of Forest road 42N16. Comment
  JEPS95112  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 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
  RSA211455  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC249374  Castilleja applegatei K. L. Chambers 1967-6-22 2866 Siskiyou Siskiyou Mountains. About 500 ft. above and east of the freeway (Hwy. 5) at Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC241142  Castilleja applegatei subsp. pinetorum Donald Myrick 1961-6-19 267 Siskiyou Near Mt. Shasta City Comment
  HSC42879  Castilleja applegatei subsp. pinetorum John Sawyer, Ken Stillman 1976-7-1 2794 Siskiyou Mid slopes and ridges E of Little North Fork Trail. 732 Comment
  JEPS23282  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lincoln Constance 1959-6-16 7149 Siskiyou 0.3 mi e Deadhorse summit (on State Highway 89) 1341 Comment
  JEPS26516  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-7-1 1821 Siskiyou White Mountain, e slope, just below peak White Mountain Comment
  SBBG6734  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1939-6-4 3545 Siskiyou neer Weed Comment
  UC1012497  Castilleja arachnoidea Francis W. Pennell 1940-7-17 26176 Siskiyou w of Etna; Salmon Mountains 1981 Comment
  UC1037255  Castilleja arachnoidea Leo Whitney 1935-7-15 3476 Siskiyou 2 mi s Medicine Lake; Bullseye Lake Comment
  RSA105430  Castilleja arachnoidea G. D. Barbe 1955-7-26 281 Siskiyou On the north slope of Scott Mtn. 1921 Comment
  SEINET10549343  Castilleja arachnoidea F. Marion Ownbey 1938-7-20 Ownbey 1761 Siskiyou Open gravelly slopes, near dry lake lookout, summit of the siskiyou mtns. Comment
  UCD122129  Castilleja arachnoidea A. H. Murphy 1958-8-6 58 -F Siskiyou Big Meadows, Marble Mts. 2346 Comment
  CAS-BOT-BC254008  Castilleja miniata Doris K. Kildale 1929-7-20 8722 Siskiyou Raspberry Lake, South Fork Indian Creek 1676 Comment
  CAS-BOT-BC254101  Castilleja miniata John Thomas Howell 1937-7-22 13293 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA0010947  Castilleja minor subsp. minor L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1978-7-18 4872 Siskiyou West of Table Rock, 9 air miles east of Montague. 854 Comment
  CAS-BOT-BC32551  Castilleja pilosa Amos Arthur Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  HSC19304  Castilleja pruinosa J. O. Sawyer 1968-6-25 310 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC76975  Castilleja pruinosa K. T. Stillman 1976-6-25 71 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  JEPS26523  Castilleja pruinosa Lauramay T. Dempster 1961-7-2 1860 Siskiyou sw of Etna (ridge w of Salmon Mountain Summit) 1828 Comment
  JEPS80488  Castilleja pruinosa Gilbert Muth 1966-7-14 394 A Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  POM42532  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain. Comment
  CHSC57458  Castilleja tenuis L. P. Janeway 1984-6-21 863 Siskiyou Garvey Bar, south side Klamath River just east of humbug Point. 594 Comment
  CAS-BOT-BC48655  Ceanothus cordulatus Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  RSA1116  Ceanothus cordulatus B. D. Stark 1929-7-25 1392 Siskiyou 8 miles N of Dunsmuir. 610 Comment
  CAS-BOT-BC48717  Ceanothus cordulatus W. B. Cooke 1947-8-8 17783 Siskiyou along the old snowline road, Mt. Shasta 1219 Comment
  RSA1354  Ceanothus cuneatus B. D. Stark 1929-7-25 594 Siskiyou 2 miles S of Yreka. 793 Comment
  JEPS103784  Ceanothus cuneatus var. cuneatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near South Fork of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 Comment
  UC1037444  Ceanothus cuneatus var. cuneatus Douglas Barbe 1955-6-28 14 Siskiyou 0.4 mi n, Callahan; Klamath Mts. 1005 Comment
  UC163698  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1910-5-28 1418 Siskiyou near Yreka Comment
  JEPS42461  Ceanothus integerrimus W. L. Jepson 1902-7-17 2063 A Siskiyou Devil's Backbone 1828 Comment
  CAS-BOT-BC50689  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring, along the Sacramento Comment
  UC1076021  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou on Scott Mountain road five mi s Callahan; s of Callahan Comment
  RSA63225  Ceanothus sanguineus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  SEINET3162954  Ceanothus sanguineus G. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountain 2134 Comment
  CHSC9495  Ceanothus velutinus J. F. Goodwin 1971-7-3 131 Siskiyou North side of road on dry rocky bank with scattered pines and firs, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  UC449590  Ceanothus velutinus var. velutinus Milo S. Baker 1896-1 Siskiyou Stage road between Bartles and Sisson; between Bartles and Sisson Comment
  SEINET10798231  Centaurea solstitialis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-1 Conrad 6970 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  CAS-BOT-BC281204  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16263 Siskiyou N side of Highway 97 (Weed to Macdoel), W of RR spur at Grass Lake Comment
  HSC2261  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  CAS-BOT-BC384968  Cerastium arvense Annie M. Alexander; Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  UC465650  Cerastium arvense Annie M. Alexander and L. Kellogg 1911-7-16 256 Siskiyou S. Fork Salmon R. 1524 Comment
  UCD97999  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  LA47784  Cercocarpus ledifolius W. B. C.; 1940-6-4 15011 Siskiyou Mount Shasta, Shasta Valley near Bolam Comment
  CAS-BOT-BC100653  Chaenactis douglasii var. alpina Wm. Bridge Cooke 1938-9-8 11662 Siskiyou Mount Shasta, near Squaw Creek Meadows 2590 Comment
  HSC29199  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou Marble Mtn. Wilderness Area: Near summit of 'Little Medicine Mtn.' (N of Hancock Lake) 2104 Comment
  UC163898  Chaenactis douglasii var. douglasii Geo. D. Butler 1910-6-17 1573 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC276761  Chaenactis douglasii var. douglasii Geo. D. Butler 1909-6-12 332 Siskiyou Greenhorn Mountain Comment
  RSA105314  Chaenactis suffrutescens Milo S. Baker 1955-6-26 13072 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  HSC65290  Chamaecyparis lawsoniana Rich White 1978-7-18 258 Siskiyou Near stream outlet of Raspberry Lake. 1555 Comment
  HSC69036  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-7 2366 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC334091  Chamaesyce glyptosperma Lemmon Siskiyou near Shasta; Northern Claifornia Comment
  RSA624995  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  CHSC26170  Chamerion angustifolium subsp. circumvagum J. P. Kroessig 1977-8-5 48 Siskiyou McBrides Springs Campground on Mt. Shasta, ca. 4.5 km n of Mt. Shasta City. 1460 Comment
  CAS-BOT-BC68208  Cheilanthes gracillima Marion Ownbey; Ruth P. Ownbey 1938-7-19 1754 Siskiyou Summit of the siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout Comment
  HSC19171  Cheilanthes gracillima J. O. Sawyer 1969-6-10 808 Siskiyou S face near Sugar Lake 1829 Comment
  HSC27081  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5781 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  POM255830  Cheilanthes gracillima Marion Ownbey, Ruth P. Ownbey 1938-7-19 1754 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout Comment
  UC2026485  Cheilanthes gracillima Louis C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UC71521  Cheilanthes gracillima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson; Mt Shasta Comment
  CAS-BOT-BC68245  Cheilanthes gracillima Doris K. Kildale 1928-8-20 6592 Siskiyou Lily Pad Lake, near Hancock Lookout Comment
  HSC34468  Cheilanthes gracillima J. D. Ackerman, A. M. Montalvo 1974-8-18 432 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. in the Siskiyou Mtns. 1829 Comment
  UC1216706  Chenopodium album W. B. and V. G. Cooke 1962-8-19 33545 Siskiyou in clearings along Memorial Highway; Mt. Shasta Comment
  CDA3040  Chenopodium botrys T. C. Fuller 1966-10-7 15247 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  UC21639  Chimaphila menziesii Brewer 1862-9-16 1413 Siskiyou Camp 98 1828 Comment
  UC722500  Chimaphila menziesii C. L. Hitchcock and J. S. Martin 1939-7-7 5269 Siskiyou ca. 13 mi. s. Takilma, Oregon; Sanger Peak Trail 1066 Comment
  CAS-BOT-BC452256  Chimaphila umbellata W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  CAS-BOT-BC452269  Chimaphila umbellata Dr. E. B. Copeland 1903-8-15 s.n. (distributed as C.F. Baker's 3828 ) Siskiyou Mt. Shasta 1828 Comment
  HSC142  Chimaphila umbellata William J. Ferlatte 1966-8-3 271 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC73212  Chimaphila umbellata Gail Newton 1980-6-20 499 Siskiyou Near Bald Mtn. 1097 Comment
  HSC92971  Chimaphila umbellata Jennifer Whipple 1976-9-3 1767 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  RSA68953  Chimaphila umbellata subsp. occidentalis A. E. Culbertson 1943-7-17 5 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
  RSA697617  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  CAS-BOT-BC36235  Chrysolepis sempervirens Wm. Bridge Cooke 1938-9-8 11645 Siskiyou North side of Red Butte, Mount Shasta 2468 Comment
  CAS-BOT-BC36241  Chrysolepis sempervirens W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte top of highest peak Comment
  RSA14165  Chrysolepis sempervirens C. Hart Merriam 1898-09 s.n. Siskiyou From south side of Mt. Shasta. 2439 Comment
  RSA594178  Chrysothamnus nauseosus subsp. albicaulis S. O. Mattoon 1978-9-23 47 Siskiyou Shasta Valley, Stewart Springs Road; vicinity of Weed 854 Comment
  RSA14487  Chrysothamnus nauseosus subsp. consimilis Elmer I. Applegate 1923-8-21 3926 Siskiyou Low alkaline ground along Willow Creek S of lower Klamath marsh Comment
  SEINET10615096 Image available Chrysothamnus parryi subsp. latior A. Arthur Heller 1915-8-26 Heller 12250 Siskiyou Wagon creek at the foot of Mt. Eddy. The original stand of Jeffrey pine has been succeeded by a good growth of Pseudotsuga and white fur. Common undershrubs are manzanita, Ceanothus and Pasania. Comment
  CAS-BOT-BC100858  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  SD73144  Chrysothamnus viscidiflorus var. viscidiflorus Darley F. Howe 1969-8-31 Siskiyou 4.5 miles north of Weed on Highway 97. 1035 Comment
  JEPS8809  Cichorium intybus W. L. Jepson 1940-6-23 19980 a Siskiyou Yreka 822 Comment
  JEPS15738  Cicuta douglasii Willis L. Jepson July, 1894 14231 Siskiyou by stage-road n of Sisson (Mount Shasta); Mount Shasta Comment
  JEPS15739  Cicuta douglasii Willis L. Jepson July, 1894 14231 Siskiyou by stage-road n of Sisson (Mount Shasta); Mount Shasta Comment
  SD76166  Cicuta maculata var. maculata Helen V. Witham 1969-10-7 586 Siskiyou along Scott River 700 Comment
  HSC64524  Circaea alpina subsp. pacifica J. P. Smith, Steve Selva 1970-6-15 3900 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS16947  Cirsium andersonii Peter H. Raven 1956-9-4 10377 Siskiyou on the ridge s Mount Eddy 2286 Comment
  CDA1133  Cirsium ciliolatum G. D. Barbe, Don Shaw 1982-7-14 3890 -A Siskiyou Willow Creek; Bryant Rd. at York Rd., 3.5 mi east of Willow Creek School. Comment
  CDA1137  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -B Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CDA1182  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CDA1183  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CDA1187  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou Hawkinsville; Humbug Rd., about 2 mi. W of Hwy 263, BLM land. 0 Comment
  CAS-BOT-BC278042  Cirsium cymosum L. B. Kildale 1930-6-1 9742 Siskiyou Salmon River at Somes Bar Comment
  HSC5394  Cirsium cymosum R. C. Wunner 1965-6-29 308 Siskiyou 1/4 mi. above Indian Well Campground; California Lava Beds N.M. 1433 Comment
  POM33212  Cirsium cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Near Yreka. Comment
  RSA0039347  Cirsium cymosum John F. Emmel 1993-7-28 1281 Siskiyou Northwest Trinity Alps area, Salmon Mts.; slope SE above Rays Gulch, 0.8 air mile north and 0.1 air mile west of peak 4853. 1097 Comment
  OBI54130  Cirsium cymosum var. cymosum David J. Keil, Kathleen Keil 1992-7-21 23515 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  SEINET5506296 Image available Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1829 Comment
  CAS-BOT-BC288013  Cirsium occidentale var. candidissimum Lewis S. Rose 1945-6-22 45155 Siskiyou Walker, Klamath River 533 Comment
  HSC40242  Cirsium occidentale var. candidissimum J. P. Smith 1976-5-5 8701 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  CAS-BOT-BC288778  Cirsium remotifolium Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture, Marble Mts 1792 Comment
  JEPS59177  Cirsium remotifolium var. odontolepis Geo. D. Butler 1908-8-4 335 Siskiyou Cold Spring Camp , Wooly Creek 1676 Comment
  JEPS80598  Cirsium remotifolium var. odontolepis Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC286472  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Klamath Mountains. Hiwy 99, 4 mi. S of Gazelle Comment
  CAS-BOT-BC228959  Cistanthe umbellata Annie M. Alexander; Louise Kellogg 1949-7-21 5826 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC228966  Cistanthe umbellata Wm. Bridge Cooke 1939-7-13 13658 Siskiyou Mount Shasta. Red Butte in The South Gate Comment
  CAS-BOT-BC228981  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC163184  Clarkia lassenensis Elmer I. Applegate 1935-6-6 9348 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC163283  Clarkia mildrediae subsp. mildrediae A. A. Heller 1928-6-10 14611 Siskiyou Along the Pacific Highway on a shale bank between Salt Creek and Pollock Comment
  UC164325  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1940-5-21 1375 Siskiyou Klamath Hills Comment
  JEPS43837  Clarkia rhomboidea Geo. D. Butler 1909-7-15 926 Siskiyou Higland Mine Highland Mine Comment
  UC618770  Clarkia rhomboidea W. Bridge Cooke 1938-6-17 11047 Siskiyou Sisson Southern Trail Mount Shasta Comment
  JEPS82478  Claytonia cordifolia Gilbert Muth 1966-7-8 354 Siskiyou Marble Mt. Wilderness Area; Marble Valley 1792 Comment
  RSA50231  Claytonia cordifolia E. K. Balls 1949-7-9 13939 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  JEPS43321  Claytonia exigua subsp. exigua J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  SBBG15810  Claytonia palustris D. Myrick 1961-6-20 289 Siskiyou Bear Springs, Mt Shasta E of Mt Shasta City 1676 Comment
  CAS-BOT-BC439624  Claytonia parviflora subsp. parviflora Alice Eastwood 1923-5-18 11846 Siskiyou Shasta Springs Comment
  HSC64297  Claytonia parviflora subsp. parviflora J. P. Smith 1973-5-5 6456 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC78390  Claytonia perfoliata subsp. intermontana L. P. Janeway 1983-9-11 655 Siskiyou Poker Flat 1524 Comment
  RSA60492  Claytonia sibirica John H. Thomas 1949-6-16 943 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  CAS-BOT-BC443859  Claytonia sibirica J. H. Thomas 1949-6-16 943 Siskiyou Beaver Creek Public Camp, along Beaver Creek, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest. Comment
  CAS-BOT-BC443866  Claytonia sibirica Clarence R. Quick 1959-6-19 59 -23 Siskiyou 6.7 miles south of Cour [Four] Corners on ridge south-east of Seiad Valley Comment
  RSA593952  Clintonia uniflora Louis C. Wheeler 1963-8-29 8305 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1432 Comment
  CAS-BOT-BC500967  Clintonia uniflora Geo. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  UC1733721  Collinsia Frank Gould, Kay H. Beach 1940-5-15 1248 Siskiyou Bald Mtn Comment
  HSC36934  Collinsia parviflora J. P. Smith 1974-5-26 7560 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC180110  Collinsia rattanii H. M. Hall and E. B. Babcock Jun 1903 4051 Siskiyou near Sissons (at 18th Crossing, Mount Shasta, Sierra Nevada Mountains); Sierra Nevada Mountains, Mount Shasta 1036 Comment
  RSA237558  Collinsia rattanii Frederick W. Oettinger 1968-9-9 794 Siskiyou Northeast of Tom's Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC25480  Collinsia torreyi J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5721 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC1409407  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-11 977 Siskiyou area w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness 1950 Comment
  CAS-BOT-BC229543  Collomia diversifolia Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek 1097 Comment
  RSA12605  Collomia grandiflora C. B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi. east of Mt. Shasta City. S.W. slope of Mt. Shasta. Comment
  RSA50221  Collomia grandiflora E. K. Balls 1949-7-9 13928 Siskiyou 4.3 miles from Etna on road to Sawyer's Bar Comment
  POM208267  Collomia heterophylla L. C. Wheeler 1934-7-6 2889 Siskiyou Siskiyou Mountains: Hungry Creek. 1371 Comment
  JEPS71071  Collomia tinctoria S. Brown July 1900 Siskiyou Sisson Comment
  UC902031  Collomia tracyi Joseph P. Tracy 1949-9-18 18558 Siskiyou on road between Cecilville and Sawyer's Bar; Blue Ridge 1584 Comment
  CAS-BOT-BC180414  Comandra umbellata subsp. californica Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  SEINET10694144  Conium maculatum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area). T46N R11W S12. 593 Comment
  UC1190177  Corallorhiza maculata Ira L. Wiggins 1955-7-24 13491 Siskiyou ridge betw. upper reaches of China Creek and upper reaches of Blind Horse Creek 1508 Comment
  UC4425  Corallorhiza maculata C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC278773  Cordylanthus tenuis subsp. tenuis Peter F. Zika; Barbara Wilson 2011-7-31 25697 Siskiyou Road 26, 10.2 road miles from junction with FS Road 40N405, 1 air mile W of N end of Siskiyou Lake, Klamath Range (KR) 1060 Comment
  JEPS66527  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1971-8-28 2784 Siskiyou 5.3 mi s Callahan (3 mi below road summit, along road up to Scott Mt.) 1341 Comment
  HSC60674  Cornus canadensis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  CAS-BOT-BC212279  Cornus glabrata C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  UC1045280  Cornus glabrata W. Bridge Cooke 1940-6-20 15171 Siskiyou Klamath R. near Pacific Hwy. below Hornbrook; Klamath R. Comment
  CAS-BOT-BC212051  Cornus nuttallii Roxana S. Ferris; Laura Lorraine 1948-6-12 11748 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC212063  Cornus nuttallii Alice Eastwood 1923-5-27 11994 Siskiyou Shasta Springs Comment
  HSC99831  Cornus nuttallii T. Jimerson, J. Pageau 1979-6-15 568 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  RSA47649  Cornus nuttallii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11748 Siskiyou French Creek logging road west of Callahan. 1067 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
  CAS-BOT-BC210411  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  HSC61806  Cornus sericea subsp. sericea Ruby Van Deventer 1938-7-13 Siskiyou Poker Flat. 1585 Comment
  CAS-BOT-BC180202  Corylus cornuta subsp. californica Alice Eastwood 1912-7-15 1093 Siskiyou Mc. Cloud Comment
  JEPS124700 Image available Corylus cornuta subsp. californica Rechen 1964-7-8 90 Siskiyou Fowlers Camp. Lower falls. McCloud River just off HW 89. Comment
  CDA39610  Corylus cornuta var. californica T. C. Fuller, D. H. Shaw 1974-9-24 20037 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  SEINET6892684  Corylus cornuta var. californica M. K. Solecki, J. B. Taft 1986-9-13 2157 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  CDA25822  Crataegus douglasii G. D. Barbe 1984-6-8 4169 Siskiyou West side of Highway 3 at Holzhauser Lane, north of Etna. Comment
  UC91846  Crepis modocensis subsp. modocensis T. S. Brandegee July, 1887 Siskiyou Ager Comment
  JEPS36499  Crepis occidentalis Harley P. Chandler June, 1901 1644 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC376485  Crepis occidentalis subsp. conjuncta Roxana S. Ferris; Laura Lorraine 1948-6-12 11712 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], e. fork of Scott River Comment
  CAS-BOT-BC290838  Crepis occidentalis subsp. pumila Roxana S. Ferris; Laura Lorraine 1948-6-12 11786 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC376576  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  CDA4439  Crepis pleurocarpa Agricultural Commissioner Aug 1951 Siskiyou Macdoel. 0 Comment
  HSC2264  Crepis pleurocarpa Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  JEPS16944  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou pass just s Mount Eddy 2438 Comment
  CAS-BOT-BC290872  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  POM211803  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  SEINET11840723  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou about the head waters of Sacramento River 2438 Comment
  CAS-BOT-BC299731  Crocidium Doris K. Kildale 1929-5-1 7834 Siskiyou Callahan Comment
  RSA610185  Cryptantha flaccida L. C. Wheeler 1935-5-18 3494 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  JEPS125890  Cryptantha milobakeri Dean W. Taylor 1996-7-11 15786 Siskiyou Shasta Trinity National Forest; Scott Mountains, ridge dividing West Fork Parks Creek drainage from Willow Creek drainage, ca 15 air miles W of Weed and 3 air miles W of Stewart Springs. Comment
  HSC33977  Cryptantha muricata var. jonesii J. P. Smith 1974-5-25 7441 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC63984  Cryptantha torreyana J. P. Smith 1976-5-22 8783 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  SBBG25894  Cryptantha torreyana D. Myrick 1966-8-9 1508 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC399487  Cryptogramma acrostichoides Geo. D. Butler 1909-7-15 875 Siskiyou Highland Mine Comment
  RSA237233  Cryptogramma acrostichoides Frederick W. Oettinger 1967-7-8 158 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA142617  Cryptogramma cascadensis P. A. Munz 1960-8-22 24192 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC80537  Cupressus bakeri O. V. Matthews 1939-7-19 39 Siskiyou N.E. slope of [Goose Nest] Goosenest 1828 Comment
  POM265146  Cupressus bakeri O. V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove; Cook and Green Reg. 1067 Comment
  UC650667  Cupressus bakeri Oliver V. Matthews 1939-7-11 31 Siskiyou Seiad Grove 1432 Comment
  UC650672  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  SEINET10531424  Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Wolf 2127 Siskiyou Modoc Lava beds, 1 mi N.E. of timbered crater on old stage Rd. from Dana to Little Hot Springs Valley. Arid transition:- Arctostaphlos Patula, Yellow Pines. Sun. Lava Rock. 1220 Comment
  SEINET10531077  Cupressus bakeri subsp. matthewsii Matthews 1939-7-11 MATTHEWS 32 Siskiyou Salad Grove. 855 Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  UCD77582  Cycladenia humilis Robert E. Preston 2001-7-21 1746 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2194 Comment
  UC572799  Cycladenia humilis var. humilis unknown 1937-9-3 9340 Siskiyou Mt. Shasta Comment
  CHSC96784  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou In fencerow and adj. pasture, w. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud, Siskiyou Co. Comment
  SBBG26901  Cyperus acuminatus L. C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River 670 Comment
  CAS-BOT-BC114689  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  RSA15460  Cyperus bipartitus Carl B. Wolf 1927-8-26 1085 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  HSC26114  Cystopteris fragilis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5682 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC69493  Cystopteris fragilis Maralyn A. Renner 1980-8-19 2490 Siskiyou S side of Caribou Lake 2104 Comment
  UCD78123  Cystopteris fragilis Robert E. Preston 2001-6-23 1584 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  CAS-BOT-BC70709  Cystopteris fragilis Gilbert Muth 1966-7-17 404 Siskiyou Marble, off trail to lookout, Marble Mts. 1828 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  RSA239120  Danthonia californica var. americana Frederick W. Oettinger 1969-9-4 1657 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA233683  Danthonia intermedia R. F. Thorne, Frederick W. Oettinger 1969-8-10 38960 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. Comment
  HSC82476  Danthonia unispicata Thomas W. Nelson, Jane P. Nelson 1979-6-15 4798 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC11158  Darlingtonia californica Geological Survey 1862-1 1356 Siskiyou near streams Mt Shasta Comment
  CAS-BOT-BC420668  Darmera peltata A. A. Heller 1905-6-1 7922 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  RSA30642  Darmera peltata Lincoln Constance, R. C. Rollins 1942-5-13 s.n. Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  POM71157  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka. Comment
  JEPS86129  Delphinium Wayne Roderick 1958-4 Siskiyou w Etna; Salmon Mt. Summit 1828 Comment
  UCD95647  Delphinium andersonii Collector unknown 1957-7-23 57 L Siskiyou On the border of Trinity County. Klamath and Shasta National Forest. Deadfall Creek S.N.F. 2011 Comment
  CAS-BOT-BC9572  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  CAS-BOT-BC9049  Delphinium decorum subsp. tracyi Dorothy Inez Parker 1948-5-11 45 Siskiyou Around old Southern Oregon Sawmill, Plowman's Valley 1219 Comment
  CAS-BOT-BC8968  Delphinium depauperatum Lillian Mott 1976-7-14 4 OLM76 Siskiyou Vicinity of Lily Pad Lake, ca. 3 mi. west of Cook and Green Pass 2011 Comment
  CAS-BOT-BC8757  Delphinium glaucum John Thomas Howell 1939-8-5 15075 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UC1225882  Delphinium glaucum Helen K. Sharsmith Aug 27 1960-Aug 29 1960 4839 Siskiyou along streamlet draining into lower Mill Creek Lake (upper Mill Creek basin); Scott Mountains, Shasta National Forest, Salmon-Trinity Alps 2103 Comment
  SEINET3159328  Delphinium nudicaule G. D. Butler 1910-5-7 1299 Siskiyou near Yreka Comment
  HSC44952  Delphinium nuttallianum J. O. Sawyer 1978-6-16 3217 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  RSA790244  Delphinium nuttallianum Rebecca Wenk 2005-7-19 347 Siskiyou Border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses road at top of pass. 2091 Comment
  UC1949312  Deschampsia cespitosa Barbara Ertter 1900-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  UCD21467  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  POM161565  Deschampsia elongata Geo D. Butler 1909-6-20 840 Siskiyou Damp land near Yreka Comment
  POM229971  Deschampsia elongata L. C. Wheeler 1935-7-26 3704 Siskiyou Siskiyou mountains; Jaynes Canyon. 1951 Comment
  RSA238402  Deschampsia elongata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1190 Siskiyou Northwest of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET3927620  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-17 4464 Siskiyou Below Kangaroo Lake.; 0 1890 Comment
  POM369565  Descurainia incana subsp. incisa L. C. Wheeler 1934-7-3 2856 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 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
  UC855986  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC43525  Descurainia sophia Roxana S. Ferris; Laura Lorraine 1948-6-12 11829 Siskiyou Gazelle Mountain Grade, Gazelle-Callahan Road. 1499 Comment
  CDA3434  Dianthus deltoides D. Dunning 1921-7-16 Siskiyou Southeastern Siskiyou County; Toad Lake, southeast of Toad Mountain, northwest of Hambone. 0 Comment
  CDA17140  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  UC375155  Dichelostemma multiflorum Geo. D. Butler 1909-7-20 887 Siskiyou Highland Mine Salmon Range 1828 Comment
  CAS-BOT-BC500991  Dichelostemma multiflorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53568 Siskiyou Yreka 822 Comment
  CAS-BOT-BC502676  Dichelostemma multiflorum A. A. Heller 1919-6-27 7942 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC13853  Dichelostemma multiflorum C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC291006  Dieteria canescens var. shastensis A. A. Heller 1920-8-12 13521 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  CHSC69473  Dieteria canescens var. shastensis James D. Jokerst 1992-7-30 3421 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  CAS-BOT-BC153728  Diplacus nanus John Thomas Howell 1937-7-21 13174 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SD53405  Dipsacus fullonum Darley F. Howe 1962-8-5 3398 Siskiyou 56.8 miles east of Happy Camp on #96, Bank of Klamath River. 609 Comment
  SDSU13054  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  RSA120755  Dodecatheon alpinum subsp. majus S. S. Tillett 1956-7-9 642 Siskiyou Northeast facing slope of Scott Mountain. Trinity-Siskiyou Cos line. 1829 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
  HSC19083  Dodecatheon jeffreyi J. O. Sawyer 1969-6-12 940 Siskiyou On trail to Duck Lakes 1890 Comment
  SEINET8563813  Dodecatheon redolens G. D. Butler 1910-6-5 1522 Siskiyou Loy Lake, Shackleford Creek Comment
  CHSC71477  Downingia bacigalupii Vernon H. Oswald; Lowell Ahart 1998-7-21 9363 Siskiyou Between Weed and Macdoel on Hwy. 97 0.9 mi southwest of Tennant Rd. In a roadside meadow. 1188 Comment
  UC1520669  Downingia bacigalupii Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9449 Siskiyou 13.3 mi ssw Macdoel (U.S. Highway 97) Comment
  CAS-BOT-BC41843  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  JEPS53500  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka Comment
  CAS-BOT-BC41315  Draba pterosperma D. M. Traugh 1933-8-6 9 Siskiyou Klamath Forest. Marble Valley. 1981 Comment
  POM366552  Drymocallis glandulosa M. B. Dunkle 1944-6-25 9021 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC159292  Drymocallis lactea var. lactea A. M. Vollmer; L. Beane 1951-5-31 36 Siskiyou Near highway, Scott Mountain Comment
  CAS-BOT-BC158429  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi. S. of Macdoel, on U.S. 97 between Dorris and Weed 1465 Comment
  HSC72105  Echinochloa crus-galli J. P. Smith 1976-9-5 8983 Siskiyou Scott Valley 671 Comment
  UC197106  Echinochloa crus-galli Geo. D. Butler 1909-9-5 865 Siskiyou Yreka; Gardens Comment
  JEPS19813  Elatine triandra Rimo Bacigalupi with S. Galen Smith 1957-6-26 5970 Siskiyou ca 2.5 mi nw Weed (close to US Hwy 99) 1005 Comment
  CAS-BOT-BC113723  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  UC1265386  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou vicinity of English Peak (inlet to Upper English Lake); Salmon Mountains, Western Siskiyou County, Marble Mountain W 1767 Comment
  HSC46340  Eleocharis macrostachya J. P. Smith, Steve Selva 1970-6-15 3918 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SEINET7587040 Image available Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Between David Mt and Abbotts Lake Basin. 1905 Comment
  CAS-BOT-BC451556  Elodea canadensis Wm. Bridge Cooke 1940-6-20 15164 Siskiyou In the Klamath River along the Pacific Highway below Hornbrook. Comment
  POM208264  Elodea canadensis L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC227127  Elymus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  RSA238987  Elymus elymoides Frederick W. Oettinger 1969-9-2 1583 Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC197117  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-3 1632 Siskiyou Goosenest foothills 1219 Comment
  RSA126910  Elymus glaucus H. S. Yates 1936-6-20 5807 Siskiyou Siskiyou Summit 1372 Comment
  JEPS73753  Elymus glaucus subsp. glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Comment
  CAS-BOT-BC206603  Elymus glaucus subsp. glaucus W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains 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-BC235224  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou Near Yreka Comment
  HSC101396  Elymus spicatus J. P. Smith, J.0. Sawyer, R. J. Cole 2010-8-7 13052 Siskiyou Kalmath National Forest. Forest Service Road 40N24 to Crater Lake 1768 Comment
  SEINET10566639  Elytrigia dasystachya subsp. dasystachya Louis C. Wheeler 1935-6-30 Wheeler 3627 Siskiyou Shasts Valley, 3 miles S of Grenada. Dry subsaline abobe flat. 792 Comment
  CDA2052  Elytrigia repens Bill Huse 1960-6-2 4517 Siskiyou Tulelake. 0 Comment
  CAS-BOT-BC392234  Enemion stipitatum Geo. D. Butler 1910-3-10 1120 Siskiyou Near Yreka Comment
  HSC29169  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  RSA15795  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1034 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC94896  Epilobium brachycarpum R. C. Wenk 2005-7-19 320 Siskiyou Along Pacific Crest Trail, 1-2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2133 Comment
  SEINET6637243 Image available Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-1 12213 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  POM171580  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-7-25 5862 Siskiyou Klamath River between Gottville and Browns Resort 579 Comment
  RSA211361  Epilobium ciliatum subsp. ciliatum William J. Ferlatte 1966-8-2 226 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  SDSU8813  Epilobium ciliatum subsp. ciliatum D. F. Howe 1972-7-5 4873 Siskiyou 0.6 mile south of Oregon state line on road to Happy Camp. 1707 Comment
  UC637087  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou e end of valley Seiad Valley, Walker Creek (creek is a tributary of Klamath River) 457 Comment
  POM248147  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13718 Siskiyou Bear Springs, Mount Shasta. 1524 Comment
  OBI55425  Epilobium densiflorum David J. Keil 1992-7-20 23484 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  RSA790243  Epilobium glaberrimum subsp. fastigiatum Rebecca Wenk 2005-7-19 323 Siskiyou Along Pacific Crest Trail, 2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2165 Comment
  UC1190252  Epilobium glaberrimum subsp. glaberrimum Ira L. Wiggins 1955-7-22 13452 Siskiyou 9.5 mi above Cecilville; S. Fork of Salmon R 1066 Comment
  UC61177  Epilobium glaberrimum subsp. glaberrimum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  HSC29141  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Salmon Mtns., stream inlet into Hancock Lake 1890 Comment
  HSC61783  Epilobium luteum Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  JEPS25836  Epilobium luteum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7450 Siskiyou along brook above and flanking Poker Flat (near trail to Twin Valley, about 12 mi nw of Happy Camp); Siskiyou Mts. 1524 Comment
  RSA691939  Epilobium minutum Barbara Ertter 1990-7-14 9309 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  SEINET10632309  Epilobium oreganum Willis L. Jepson 1914-8-14 Jepson 6162 Siskiyou Dunsmuir 780 Comment
  SEINET3149901  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC171858  Epilobium septentrionale Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  CDA42478  Equisetum laevigatum L. Ahart, John Dittes 2006-6-1 12107 Siskiyou 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. Comment
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Oct 5 2019
  RSA715774  Equisetum laevigatum L. Ahart, John Dittes 2005-6-10 12107 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  UC185239  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 881 Siskiyou Shasta Springs Comment
  UCSC004623  Eragrostis Randall Morgan 2004-5-31 4176 Siskiyou Castle Crags State Park, shore of Sacramento River Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC174221  Eremogone congesta var. congesta Thomas W. Nelson; Jane P. Nelson 1980-7-17 6084 Siskiyou Along Forest Service road 17 1 mile north of summit at county line 2072 Comment
  UCD131320  Ericameria bloomeri Lorry Dunning 1967-8-11 s.n. Siskiyou Mt. Shasta Ski Bowl. 2438 Comment
  CAS-BOT-BC287500  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou Mt Eddy 1889 Comment
  HSC24683  Ericameria greenei J. O. Sawyer 1969-9-11 2001 Siskiyou On E-facing slope above Duck Lake Creek 1905 Comment
  JEPS16943  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou pass just s of Mount Eddy 2438 Comment
  UCR80264  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Siskiyou Mtns, Trapper Creek. 1860 Comment
  CAS-BOT-BC299463  Ericameria nauseosa var. speciosa John Thomas Howell 1939-8-6 15105 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC482440  Ericameria nauseosa var. speciosa Dana York 2010-9-11 3016 Siskiyou Six Rivers Naitonal Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1435 Comment
  SD98956  Ericameria nauseosa var. speciosa Darley F. Howe Oct 1977 Siskiyou Route 3, 7.7 miles south of Aetna. Comment
  CAS-BOT-BC294406  Ericameria parryi var. latior A. A. Heller 1925-7-21 13898 Siskiyou At Spring Hill on the Pacific highway near the town of Mt. Shasta Comment
  SJSU6079  Erigeron aliceae R. W. Trivelpiece 1971-8-22 74 Siskiyou upper Tompkins Creek on west side Scott River about 6 miles SW of Scott Bar, Marble Mts 1524 Comment
  HSC75806  Erigeron bloomeri var. bloomeri J. P. Smith, Thomas W. Nelson 1979-6-15 10122 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC163866  Erigeron bloomeri var. bloomeri Geo. D. Butler 1910-5-16 1350 Siskiyou Yreka 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
  CAS-BOT-BC509282  Erigeron cervinus Dana York 2012-7-20 3121 Siskiyou Rogue River--Siskiyou National Forest, Siskiyou Mountains, ca 2.4 km WSW of Cook and Green Pass, moist slope above Echo Lake 1710 Comment
  HSC19548  Erigeron cervinus J. O. Sawyer 1969-8-5 1743 Siskiyou W of Little Duck Lake 2073 Comment
  CHSC36145  Erigeron compositus K. Bridwell 1978-4-15 93 Siskiyou Cliff ca. 400 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  CAS-BOT-BC297185  Erigeron concinnus var. concinnus Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  UCD77643  Erigeron eatonii var. plantagineus Robert E. Preston 2002-6-20 1833 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  UC1299458  Erigeron eatonii var. plantagineus Freed W. Hoffman 1948-7-12 2459 Siskiyou Little Shasta to Mt. Hebron road 10 mi w Mt. Hebron 1615 Comment
  UC87695  Erigeron filifolius Mrs. T. S. Brandegee 1887-7-1 Siskiyou Edgewood Comment
  UCR93349  Erigeron filifolius var. filifolius Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  CAS-BOT-BC295385  Erigeron inornatus A. A. Heller 1914-8-25 11717 Siskiyou Near Deetz station opposite Black Butte 1158 Comment
  JEPS101305  Erigeron inornatus var. inornatus Dean W. Taylor 1999-8-12 17309 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  JEPS83868  Erigeron petrophilus var. petrophilus Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1767 Comment
  HSC39755  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-8-1 1636 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1282031  Erigeron petrophilus var. viscidulus Louise Kellogg Aug 8 1953-Aug 9 1953 123 Siskiyou near Scott Mountain Public Campground; Klamath National Forest, Blue Point 1630 Comment
  RSA789814  Erigeron petrophilus var. viscidulus Rebecca Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta Comment
  RSA60477  Erigeron philadelphicus John H. Thomas 1949-6-16 945 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  RSA715773  Erigeron philadelphicus L. Ahart, John Dittes 2005-6-10 12082 Siskiyou South edge of a water ditch, pipe discharge, irrigated pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 air miles S of Highway 99/97 cutoff, about 6 air miles ESE of Grenada 777 Comment
  CAS-BOT-BC300089  Erigeron philadelphicus David D. Keck 1938-8-7 4849 Siskiyou 1 mi. N. of Schmitt Mill, road betw. Gazelle and Callahan. Scott Mts. 1465 Comment
  JEPS93895  Erigeron pumilus var. intermedius Vernon H. Oswald and Lowell Ahart 1998-7-21 9331 Siskiyou on the s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake); Tennant Road 1402 Comment
  RSA105313  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou Shasta Valley between Weed and Gazelle. 915 Comment
  CAS-BOT-BC224140  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CAS-BOT-BC224144  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC96824  Eriodictyon californicum S. Lyon, J. McIntire 2006-6-25 27 Siskiyou 1 mi. W of Blackbear Summit at jct. of USFS Rd. 39N28 and 39N41 1341 Comment
  UC164144  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou near Yreka; near Yreka Comment
  UCD13254  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Along dirt road. Elev. 5000. Comment
  HSC92093  Eriogonum alpinum Jennifer Whipple 1978-10-6 2411 Siskiyou E face of ridge above Dale Creek Drainage 2256 Comment
  UCR42328  Eriogonum compositum G. R. Ballmer 1986-5-14 s.n. Siskiyou Hornbrook, at the exit from I-15 640 Comment
  CAS-BOT-BC248837  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  HSC19476  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou SW slope above Music Creek 2360 Comment
  RSA237750  Eriogonum compositum var. compositum Frederick W. Oettinger 1967-7-26 199 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC49939  Eriogonum diclinum G. L. Clifton, Ground 1978-7-30 2437 Siskiyou Near Big Rock 2059 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  CAS-BOT-BC255730  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Marble Mts., Klamath Nat'l Forest 1828 Comment
  HSC43400  Eriogonum elatum var. elatum K. T. Stillman 1976-7-30 316 Siskiyou Marble Mtn. Wilderness Area, ridge top just N of Black Mtn. 2104 Comment
  CAS-BOT-BC255760  Eriogonum elatum var. villosum A. A. Heller 1925-7-25 13906 Siskiyou About 7 miles south of Yreka Comment
  CAS-BOT-BC261212  Eriogonum hirtellum D. F. Howe 1962-8-4 s.n. Siskiyou Baldy Mt. 1432 Comment
  CAS-BOT-BC263662  Eriogonum luteolum var. luteolum Carl B. Wolf 1927-8-26 1010 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA46819  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar. Comment
  CHSC99209  Eriogonum marifolium L. P. Janeway; B. Castro 2007-7-28 9125 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  JEPS56732  Eriogonum marifolium W. L. Jepson 1940-6-28 20063 Siskiyou McCloud 975 Comment
  CAS-BOT-BC263192  Eriogonum marifolium var. cupulatum G. A. Coleman 1901-8-17 s.n. Siskiyou On Red Butte, Mt. Shasta 2560 Comment
  HSC17301  Eriogonum microthecum var. laxiflorum R. C. Wunner 1965-8-21 457 Siskiyou Lava Beds National Monument, 1.5 mi. from NW ranger station along rd. at base of Gillem's Bluff 1250 Comment
  CAS-BOT-BC261621  Eriogonum nudum var. nudum Alice Eastwood 1912-7-17 1194 Siskiyou Sisson Comment
  UCR37584  Eriogonum nudum var. nudum L. P. Janeway 1983-8-7 516 Siskiyou Peak '5148' East of Preston Peak 1555 Comment
  UC1034615  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou roadside bank 0.2 mi n Callahan 975 Comment
  CAS-BOT-BC269747  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 365 Comment
  SEINET5330933  Eriogonum nudum var. oblongifolium G. Butler 1910-6-26 1605 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC272497  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-15 2723 Siskiyou 3 miles south of Weed 914 Comment
  HSC67790  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-20 3751 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  SBBG1575  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-3 3538 Siskiyou near Scott Bar 609 Comment
  SD133754  Eriogonum nudum var. pubiflorum L. R. Heckard, I. T. Chuang 1968-7-2 1969 Siskiyou Along U.S. Highway 97, 6 miles north of Weed 1219 Comment
  CAS-BOT-BC272486  Eriogonum nudum var. pubiflorum L. R. Abrams 1926-7-4 11235 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  UC726561  Eriogonum ovalifolium var. purpureum A. A. Heller 1938-7-13 15272 Siskiyou meadow about 1 mi s Bray 1402 Comment
  SEINET10733992  Eriogonum pyrolifolium Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  CAS-BOT-BC252965  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1921-7-29 10960 Siskiyou Little Mt. Hoffmann Comment
  SD76169  Eriogonum pyrolifolium var. pyrolifolium Helen V. Witham 1969-10-9 605 Siskiyou Mt. Shasta, in scree at timberline 2400 Comment
  JEPS109709  Eriogonum siskiyouense Dean W. Taylor 2002-7-20 18257 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  RSA123700  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1955-7-16 174 Siskiyou In dry, Powdery Shale-like rock on the east ridge leading to the summit of South Yolla Bally ( Mt. Linn) 2287 Comment
  RSA126681  Eriogonum sphaerocephalum Peter H. Raven 1957-9-4 10375 Siskiyou Slope of metamorphic rocks, Sacromento-Trinity Pass south of Mout Eddy. 2256 Comment
  CAS-BOT-BC262727  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren; James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed 1341 Comment
  HSC43456  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  UC164081  Eriogonum strictum var. proliferum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  UC164295  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou near Yreka Comment
  SEINET5331685  Eriogonum strictum var. proliferum W. Roderick 1967-7-28 s.n. Siskiyou Scott Valley, W side of valley. 914 Comment
  HSC67771  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-20 3801 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC267978  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-29 13629 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  JEPS93921  Eriogonum umbellatum var. argus Vernon H. Oswald and Lowell Ahart 1998-8-3 9406 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  UC203863  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou e side of Mt. Eddy Mt. Eddy 2194 Comment
  JEPS56199  Eriogonum umbellatum var. dumosum B. Wise Neilson 1936-10-18 Siskiyou 2 mi nw Elna Mt.; Salmon Mt. Comment
  UC849589  Eriogonum umbellatum var. dumosum A. A. Heller 1938-7-13 15271 Siskiyou just s Bray 1402 Comment
  CAS-BOT-BC268148  Eriogonum umbellatum var. humistratum Peter H. Raven 1956-9-4 10374 Siskiyou Sacramento-Trinity Pass south of Mt. Eddy 2255 Comment
  CAS-BOT-BC268156  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  HSC19518  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-7-25 1547 Siskiyou W of High Lake 2256 Comment
  CAS-BOT-BC435531  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5mi WSW of Ca. Hwy 3, about 6.1 air miles SW of Fort Jones and 5.7 air mi N of Etna 868 Comment
  SEINET10919210 Image available Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 Reveal 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 miles west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna, on gravelly soil in open grasslands. T.43N, R9W, sec. 30 NE1/4 of the NE1/4. 869 Comment
  CHSC30840  Eriogonum umbellatum var. nevadense M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3261 Siskiyou Little Mt. Hoffman, in pumice. 2225 Comment
  CHSC99208  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2007-7-28 9128 Siskiyou High Cascade Range. Medicine Lake Highlands; just north of the north edge of Medicine Lake Glass Flow. 2109 Comment
  RSA622148  Eriogonum vimineum James L. Reveal, Coroline G. Reveal 1974-8-17 3796 Siskiyou Along California Highway 3, 4.5 mi. east of Callahan and 2.5 southeast of the junction with the county road to Gazeele 1372 Comment
  CAS-BOT-BC112321  Eriophorum crinigerum John Thomas Howell 1937-6-24 13411 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  RSA238941  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 754 Siskiyou Local on shistose rock of the Hancock Lake outlet falls surrounded by running water. Open site on NE end of Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD19437  Eriophorum crinigerum Charlotte K. Glenn 1967-1 165 Siskiyou Castle Lake. 1584 Comment
  CAS-BOT-BC301113  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou East side of Mt. Eddy Comment
  UC1034610  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-6-29 32 Siskiyou 2 mi e of Callahan (at Trinity Center Rd. junction); Klamath Mountains, Scott River 975 Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  CAS-BOT-BC301099  Eriophyllum lanatum var. achilleoides L. E. Smith 1913-5-12 262 Siskiyou Edgewood Comment
  HSC27652  Eriophyllum lanatum var. grandiflorum Carl W. Mize 1972-6-8 11 Siskiyou 335 Comment
  JEPS34745  Eriophyllum lanatum var. integrifolium Geo. D. Butler 1908-8-3 344 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  CAS-BOT-BC301715  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  HSC41804  Eriophyllum lanatum var. lanceolatum Brent Whiteley 1975-6-24 60 Siskiyou Near Somes Bar along Salmon River Rd. 235 Comment
  HSC67902  Eriophyllum lanatum var. lanceolatum J. P. Smith 1973-5-5 6543 Siskiyou Scott Bar along the Scott River Comment
  RSA166005  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City 1067 Comment
  SBBG16530  Eriophyllum lanatum var. lanceolatum D. Myrick 1961-6-20 274 Siskiyou near Mt Shasta City 1066 Comment
  SEINET3892024  Eriophyllum lanatum var. lanceolatum P. Burchstead 2008-6-12 16340 Siskiyou Scott Valley, South Kidder Creek, Klamath Region; west of Greenview on north side of Hwy 3, between Ft. Jones and Etna.; 0 860 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
  CAS-BOT-BC301722  Eriophyllum lanatum var. lanceolatum Lester Rowntree 1935-6-6 s.n. Siskiyou Klamath River Comment
  UC166140  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-6-20 1050 Siskiyou Yreka, field near Comment
  JEPS24799  Eryngium articulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6808 Siskiyou ca. 3 mi. n.w. Weed (head of Shasta Valley) 975 Comment
  HSC21486  Eryngium articulatum C. B. Wolf 1927-8-27 1144 Siskiyou Klamath River at mouth of Dillon Creek Comment
  UC1559632  Eryngium mathiasiae Beth Corbin 1989-7-10 515 Siskiyou 1 mi. s.e. Adobe Flat (ca. 14 air miles n. of Fall River Mills); Lassen Nat'l Forest 1097 Comment
  UC1565572  Eryngium mathiasiae Beth Corbin 1989-8-28 546 Siskiyou ca. 14 air mi. n. Fall River Mills (ca. 1/4 mi. s. of Adobe Flat Reservoir) 1097 Comment
  CAS-BOT-BC54583  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-7 5286 Siskiyou Sanger Peak, ca. 13 miles south Takilma, Oregon and just near California border. 1780 Comment
  HSC64096  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6457 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET11249702  Erysimum capitatum var. capitatum L. E. Detling 1947-6-3 6057 Siskiyou Klamath NF, Happy Camp. 335 Comment
  RSA262447  Erysimum capitatum var. perenne J. M. Tucker 1963-7-7 3717 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  HSC19559  Erysimum perenne J. O. Sawyer 1969-7-9 1260 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC30463  Erysimum perenne Frederick W. Oettinger 1967-8-12 250 Siskiyou Marble Mtn. Wilderness Area, near Tom Taylor Cabin 2104 Comment
  CHSC71503  Erythranthe floribunda Vernon H. Oswald; Lowell Ahart 1998-7-21 9347 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
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  CHSC35569  Erythranthe microphylla James P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  CAS-BOT-BC133272  Erythronium citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  CAS-BOT-BC502723  Erythronium grandiflorum V. Rattan 1879-6-1 s. n. Siskiyou NW California, Siskiyou Mts. Comment
  CAS-BOT-BC403688  Eschscholzia californica W. B. Cooke; V. G. Cooke 1963-7-9 34217 Siskiyou Along Memorial Highway, at side of road, Mt. Shasta Comment
  JEPS51783  Eschscholzia californica Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Horseshoe Bend Region of the Upper Sacramento Comment
  CAS-BOT-BC516179  Eucephalus breweri Dana York; Jim Shevock 2011-9-8 3079 Siskiyou Marble Mountain Wilderness: Klamath National Forest, along Kelsey Creek Trail, ca 290 m E of Paradise Lake 1900 Comment
  CHSC99589  Eucephalus glabratus L. P. Janeway 2008-7-22 9449 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. 1871 Comment
  CAS-BOT-BC310479  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  SEINET10453752  Euphorbia crenulata Mary Merello 1993-6-25 Merello 720 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  HSC68016  Euphorbia esula J. P. Smith, Steve Selva 1970-7-17 4446 Siskiyou 915 Comment
  UCR66546  Euphorbia lathyris L. C. Wheeler 1934-11-4 03358 Siskiyou Marble Mtns, Scott Bar, Scott River 518 Comment
  SD215493  Euphorbia maculata Louis C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll) Comment
  UC135418  Eurybia radulina Dr. E. B. Copeland 1903-9-8 3869 Siskiyou foot of Mt. Eddy Mt. Eddy 121 Comment
  UCD98904  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  HSC19063  Festuca californica J. O. Sawyer 1969-6-12 900 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC283178  Festuca californica subsp. californica Clarence R. Quick 1959-6-19 59 -05 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC92559  Festuca idahoensis Jennifer Whipple 1977-8-4 2154 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  HSC92562  Festuca idahoensis Jennifer Whipple 1977-8-4 2150 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  RSA414218  Festuca idahoensis M. B. Dunkle 1945-8-2 9283 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  RSA414219  Festuca idahoensis M. B. Dunkle 1945-7-22 s.n. Siskiyou Marble Mts., Klamath National Forest. Comment
  HSC42963  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2757 Siskiyou Along Specimen Creek. 915 Comment
  UCD66151  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC67780  Festuca rubra J. O. Sawyer`, J. Cole 1980-7-21 3857 Siskiyou N of F.S. Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC73338  Fragaria vesca Gail Newton 1980-6-20 465 Siskiyou Near Bald Mtn. 1097 Comment
  UC466547  Fragaria vesca Milo S. Baker Jun 1896 114 Siskiyou Sisson Comment
  CAS-BOT-BC447515  Fragaria virginiana var. platypetala John Thomas Howell 1937-7-23 13361 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC53415  Frangula californica subsp. occidentalis Edward Lee 1934-8-13 1060 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1219 Comment
  CAS-BOT-BC59977  Frangula purshiana Alice Eastwood 1912-7-23 1333 Siskiyou Cantaria. Comment
  CAS-BOT-BC60010  Frangula purshiana Wm. F. Herrin 1920-1-1 s.n. Siskiyou Shasta Springs. Comment
  RSA60644  Frasera albicaulis var. nitida Dorothy Parker 1948-7-11 103 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  CAS-BOT-BC223579  Fraxinus latifolia A. M. Vollmer; L. Beane 1951-6-2 46 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CAS-BOT-BC223587  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Klamath National Forest. Walker 518 Comment
  CAS-BOT-BC130173  Fritillaria affinis Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon Boundary Comment
  UCD77732  Fritillaria atropurpurea Robert E. Preston 2002-6-20 1862 Siskiyou Klamath National Forest, Rainbow Mountain. 1910 Comment
  CAS-BOT-BC502834  Fritillaria atropurpurea W. R. Dudley 1893-6-21 s.n. Siskiyou Near spring on Mount Shasta Comment
  CAS-BOT-BC505272  Fritillaria atropurpurea John Thomas Howell 1939-8-2 14896 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC69734  Fritillaria atropurpurea Heidi Daetwyler 1981-5-18 1 Siskiyou Elk Flat, logged area, 11 mi. NE of McCloud 1524 Comment
  SEINET12054443  Fritillaria atropurpurea H. P. Chandler 1901-1 Siskiyou Comment
  CAS-BOT-BC506207  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  HSC61793  Galium bifolium Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UCD121596  Galium bifolium G. J. Muth 1975-7-29 5878 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1755 Comment
  JEPS6707  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou roadside Oro Fino Comment
  HSC30493  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Salmon Mtns., along trail entering Horse Range Lake Basin 1768 Comment
  HSC43142  Galium bolanderi Ken Stillman 1976-8-24 419 Siskiyou E and N slopes of Williams Point 366 Comment
  UCD121617  Galium boreale P. B. Schultz 1967-7-12 83 Siskiyou 8 miles north of Siskiyou-Shasta county line on State Highway 89. 1219 Comment
  HSC61212  Galium glabrescens subsp. glabrescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS27425  Galium glabrescens subsp. glabrescens Lauramay T. Dempster and Clare Hardham 1961-7-3 1875 Siskiyou w face Scott Mountain (se of Callahan); w face of Scott Mountain Comment
  CHSC91385  Galium parisiense Lowell Ahart; John Dittes 2005-6-10 12116 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA165562  Galium serpenticum Clare B. Hardham 1961-7-3 8115 Siskiyou Scott R, SW of Callahan Comment
  UCD121914  Galium serpenticum subsp. scotticum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Five miles southwest of Yreka on Fort Jones Road. 914 Comment
  RSA276855  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  HSC393  Galium triflorum William J. Ferlatte 1966-8-18 406 Siskiyou 3 mi. S of Big Flat, along Willow Creek Trail 1585 Comment
  POM60669  Galium triflorum Copeland 1903-9-14 3933 Siskiyou Sisson. Comment
  CAS-BOT-BC182272  Garrya fremontii John Thomas Howell 1939-8-2 14865 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC19180  Garrya fremontii J. O. Sawyer 1968-7-23 608 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC30218  Garrya fremontii William J. Ferlatte 1968-6-8 1129 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  UC21601  Garrya fremontii Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  UCSB24872  Garrya fremontii Favero, R. 1968-3-27 Siskiyou on southwest steep slopes; 1.5 miles west of Yreka, Calif, on Humbug road, Humbug Mountain 975 Comment
  POM78084  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  LA97737  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou S side of Monument Lake, Marble Mountain Wilderness Area 1798 Comment
  RSA238356  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou Along the e. shore of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA34393  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17791 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  UC904788  Gayophytum heterozygum W. Bridge Cooke 1949-8-26 25667 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  HSC78249  Gayophytum humile L. P. Janeway 1983-7-3 367 Siskiyou NW of Poker Flat 1585 Comment
  POM192605  Gayophytum racemosum M. S. Baker 1898-8-1 504 Siskiyou S west side of Medicine Lake Comment
  HSC91289  Gentiana calycosa Jennifer Whipple 1976-7-24 1562 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  UC70426  Gentiana calycosa Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  JEPS50870  Gentiana calycosa Al Hobart 1967-8-8 Siskiyou n side Preston Peak (w-most Siskiyou County); Siskiyou Range 1828 Comment
  HSC524  Gentiana newberryi William J. Ferlatte 1966-8-17 388 Siskiyou Caribou Basin 1982 Comment
  HSC96313  Gentiana newberryi var. newberryi Gordon Leppig 1998-8-14 1020 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC1059019  Gentianopsis simplex A. H. Murphy 1956-8-16 56 R Siskiyou Klamath Nat'l Forest, Big Marshy Meadows 1981 Comment
  SEINET3151360  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  UC1299120  Geum macrophyllum Freed W. Hoffman 1951-7-15 4032 Siskiyou Marble Mountains, Hammond Camp, western Siskiyou County Hammond Camp; North Coast Ranges, Marble Mountains, Hammond Camp 1524 Comment
  UC165386  Geum macrophyllum Geo. D. Butler 1908-8-11 1592 Siskiyou Shackleford Creek Comment
  HSC45988  Gilia capitata J. P. Smith 1973-5-5 6545 Siskiyou Scott Bar along the Scott River Comment
  HSC46241  Gilia capitata Jennifer Whipple 1978-6-5 2324 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA469330  Gilia capitata N. G. Sugihara 1977-5-28 73 Siskiyou hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar. 1128 Comment
  UC52440  Gilia capitata subsp. capitata W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Comment
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  JEPS125866  Glossopetalon spinescens Dean W. Taylor 1996-7-10 15769 Siskiyou Head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley, about 10 air miles E of Etna Comment
  HSC22305  Glyceria elata J. O. Sawyer 1969-8-5 1958 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC22311  Glyceria elata J. O. Sawyer 1969-7-12 1353 Siskiyou Edge of Sugar Lake 1799 Comment
  RSA238349  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA239001  Glyceria striata Frederick W. Oettinger 1968-9-2 665 Siskiyou Southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  SJSU11315  Glyceria striata S. H. Casey 1981-7-4 1208 Siskiyou by Seiad Creek Road, Siskiyou Mts c. 6 mi N of Seiad Valley 1371 Comment
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  UCD85212  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  HSC77418  Gnaphalium palustre L. P. Janeway 1983-9-11 664 Siskiyou Poker Flat 1524 Comment
  POM208364  Gnaphalium palustre L. C. Wheeler 1934-6-10 2676 Siskiyou Hungry Creek; Siskiyou Mts. Comment
  RSA237525  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  HSC29152  Goodyera oblongifolia Frederick W. Oettinger 1968-8-5 416 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  JEPS41882  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou roadside near Montague Comment
  CAS-BOT-BC314627  Grindelia hirsutula Lewis S. Rose 1941-8-28 41428 Siskiyou Macdoel 1297 Comment
  CAS-BOT-BC388473  Gypsophila paniculata L. E. Smith 1912-7-1 s.n. Siskiyou Yreka Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  SEINET10497304  Hackelia bella Mary Merello 1993-6-23 Merello 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. Mixed conifer-hardwood forest. 1800 Comment
  UC164133  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackelford Creek 1371 Comment
  UC722440  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-6 5219 Siskiyou Takilma-Happy Camp Road 1676 Comment
  UC1035169  Hackelia micrantha Dorothy Parker 1953-8-9 585 Siskiyou along edge of small lake in the Salmon Mountain Range; Siskiyou Mountains, Salmon Mountain Range Comment
  HSC98369  Hastingsia alba G. L. Clifton, Griswold 1979-6-28 6102 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS62093  Hastingsia alba W. L. Jepson 1937-7-30 18543 Siskiyou headwaters Indian Creek (Poker Flat); Siskiyou Mountains, headwaters Indian Creek, Poker Flat 1584 Comment
  CAS-BOT-BC504611  Hastingsia alba W. R. Dudley 1903-8-3 s.n. Siskiyou By upper Sacramento River, near Sissons Comment
  JEPS80489  Hastingsia alba Gilbert Muth 1966-7-17 387 Siskiyou ridge near Lookout (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2042 Comment
  RSA211315  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  RSA237443  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 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
  CAS-BOT-BC306353  Helenium L. E. Smith 1913-6-29 435 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC306734  Helenium bigelovii John M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  UC456025  Helenium bigelovii I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  CAS-BOT-BC305315  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC103499  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  NY179044  Helianthella californica var. shastensis A. A. Heller 1916-7-22 12489 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC314840  Helianthella californica var. shastensis L. E. Smith 1913-5-16 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC314844  Helianthella californica var. shastensis Harley P. Chandler 1901-6-1 1535 Siskiyou Klamath River 426 Comment
  HSC68351  Helianthus annuus J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC305567  Helianthus bolanderi L. E. Smith 1913-8-13 515 Siskiyou Montague Comment
  CAS-BOT-BC305573  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  CLARK-A1528-7876  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  UCD132902  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou near Yreka. Comment
  JEPS109554  Helianthus exilis Dean W. Taylor 2002-7-20 18251 Siskiyou West Fork Parks Creek, along Forest Road 1310 Comment
  HSC3682  Heliotropium curassavicum C. B. Wolf 1927-8-26 1057 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  JEPS75211  Hemitomes congestum W. B. & V. G. Cooke 1975-9-3 50497 Siskiyou Ash Creek area below timberline East side of Mt. Shasta 2286 Comment
  CHSC30914  Hemizonella minima M. S. Taylor 1980-7-8 3113 Siskiyou On ridge s of Castle Lake, above Hearts lake. 2016 Comment
  RSA183682  Heracleum maximum Gilbert Muth 1965-7-28 129 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  SEINET10460606  Heterocodon rariflorum Willis L. Jepson Jepson 20116 Siskiyou BIG BEAR FLAT 5 MI SE OF BARTLE Comment
  UC166203  Heterotheca oregona var. rudis Geo. D. Butler 1908-8-27 321 Siskiyou Oro Fino, old mining dump Oro Fino Comment
  POM40918  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  RSA0062921  Heuchera cylindrica var. alpina E. K. Balls, P. C. Everett 1952-10-12 18180 Siskiyou 7.2 miles SW of boundary Lava Beds National Monument. Road from Indian Well Ranger Station to Tennant. 1311 Comment
  UC530057  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jaynes Canyon; Siskiyou Mts 2042 Comment
  HSC69292  Hieracium albiflorum Maralyn A. Renner 1980-7-24 1945 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 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-BC318508  Hieracium bolanderi J. P. Smith; J. O. Sawyer 1975-10-23 8488 Siskiyou Unspecified 1767 Comment
  HSC29111  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Next basin E of Salamander Lake Basin, region of Abbott's Lake 1799 Comment
  RSA211519  Hieracium horridum William J. Ferlatte 1967-8-20 1041 Siskiyou Caribou Mountain. 2470 Comment
  UC1408933  Hieracium nudicaule Frederick W. Oettinger 1969-8-9 1257 Siskiyou Toms Lake Basin, w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area Salmon Mountains, Toms Lake Basin 1889 Comment
  CAS-BOT-BC316021  Hieracium scouleri P. A. Munz 1951-7-17 16602 Siskiyou Grasshopper Public Camp 2.5 mi. n.w. of Stuart Gap, North Yolla Bolly Mts. 1371 Comment
  CAS-BOT-BC316038  Hieracium scouleri Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  RSA238749  Hieracium scouleri Frederick W. Oettinger 1969-9-4 1642 Siskiyou Slope from Lily Pond to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC320103  Hieracium triste J. M. Tucker; L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  JEPS93890  Hippuris vulgaris Vernon H. Oswald and Lowell Ahart 1998-7-21 9349 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  CDA12233  Holodiscus discolor G. F. Hrusa 1993-8-14 11401 Siskiyou Region of Little Grayback Mountain; Summit of pass between Happy Camp, Ca. & O' Brien, Oregon, on Ca. side of state boundary. Comment
  SBBG21848  Holodiscus discolor var. glabrescens D. Myrick 1964-7-25 962 Siskiyou above Ski Bowl Lodge on Mt Shasta 2407 Comment
  CHSC69087  Holodiscus microphyllus var. glabrescens Vernon Oswald; Lowell Ahart 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  CAS-BOT-BC289275  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  RSA715639  Hordeum depressum L. Ahart, John Dittes 2005-6-9 12001 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  SEINET10887945  Hordeum depressum Lowell Ahart, John Dittes 2005-6-9 Ahart 12001 Siskiyou T44N, R5W, southwest 1/4 Section 30. 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. 775 Comment
  CAS-BOT-BC143962  Horkelia daucifolia Alice Eastwood; John Thomas Howell 1934-4-20 1791 Siskiyou 4 miles n. of Weed Comment
  RSA611292  Horkelia daucifolia Louis C. Wheeler 1935-5-26 3528 Siskiyou Siskiyou Mts. 854 Comment
  JEPS102921  Horkelia daucifolia Thomas W. Nelson and Jane P. Nelson 1985-6-20 7848 Siskiyou near Scott Mountain Pass (Along FS road 40N08, .5 mi e of junction with SR 3); Scott Mountaio Comment
  RSA3817  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Siskiyou County: Klamath and Shasta Valley, near Gazelle Comment
  CAS-BOT-BC514289  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  CAS-BOT-BC538246  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  CAS-BOT-BC539435  Horkelia tridentata var. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek, Siskiyou Mountains, Mt. Diablo Mer. 1341 Comment
  HSC24693  Hosackia crassifolia J. O. Sawyer 1969-7-23 1171 Siskiyou Near Horse Range Creek 1341 Comment
  HSC61503  Hosackia oblongifolia var. oblongifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UC1949031  Hosackia pinnata Barbara Ertter with Julie Kierstead and Jim Nelson 1990-4-15 9355 Siskiyou MOrgon Meadows on E side of Mt Eddy ca 5 airmiles due W of Mt Shasta City Comment
  JEPS25569  Hulsea nana Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7194 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (sw slopes of mountain); Mt. Shasta 2834 Comment
  UC90395  Hulsea nana Miss Eastwood 1893-7-1 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC312573  Hulsea nana Elmer I. Applegate 1935-6-11 9515 Siskiyou Cinder crater of Cinder Cone near west boundary of Lava Beds National Monument Comment
  POM73590  Hydrophyllum occidentale Geo. D. Butler 1910-4-25 1241 Siskiyou Oro Fino. Comment
  JEPS35539  Hymenoxys hoopesii Geo. D. Butler 1908-8-2 318 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  CAS-BOT-BC312852  Hymenoxys lemmonii Brandegee No date on label s.n. Siskiyou Montague Comment
  CHSC106092  Hymenoxys lemmonii Lowell Ahart; John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  SBBG28011  Hymenoxys lemmonii L. C. Wheeling 1934-10-21 1934 Siskiyou 4 mi E of Grenada 853 Comment
  UC1034644  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99 4 mi s Gazelle 914 Comment
  HSC99601  Hypericum anagalloides William J. Ferlatte 1966-6-23 142 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  UC1034069  Hypericum formosum var. scouleri W. Bridge Cooke 1941-8-8 16142 Siskiyou between Wagon Camp Rd. and McCloud R.R. near Howard; Mt. Shasta 1219 Comment
  SEINET3157535  Hypericum scouleri G. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  CAS-BOT-BC206833  Iliamna bakeri R. E. Frenkel 1964-7-13 667 Siskiyou Ca. 50 miles south of the Everitt Memorial Highway on the slopes of Mt. Shasta 1402 Comment
  JEPS82490  Ipomopsis aggregata Gilbert Muth 1965-8-6 185 Siskiyou Marble Valley and hillside Marble Mtn Wilderness Area 1792 Comment
  HSC76768  Ipomopsis congesta K. T. Stillman 1976-8-7 377 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  UC1034647  Ipomopsis congesta Milo S. Baker 1955-6-26 13081 Siskiyou ca 4 mi s Gazelle (Hwy 99); Klamath Mtns 914 Comment
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  HSC65870  Iris tenax subsp. klamathensis M. A. Baker 1980-6-20 2182 Siskiyou Near Bald Mtn. 275 Comment
  SEINET3875954  Iris tenax subsp. klamathensis Marc A. Baker 1980-6-20 2182 Siskiyou Orleans Quad. Near Bald Mountain.; 0 1036 Comment
  HSC27669  Iris tenuissima Carl W. Mize 1972-6-8 21 Siskiyou Along the main trail 351 Comment
  UC705594  Iris tenuissima Marion Ownbey and D. H. Brown 1941-6-22 2421 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  JEPS47363  Isatis tinctoria L. R. Heckard 1966-6-20 1528 Siskiyou Mount Shasta (town), near Chandon's motel Mount Shasta 1097 Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  CAS-BOT-BC88651  Isatis tinctoria Gilbert Muth 1960-7-5 349 Siskiyou Lover Camp. 1249 Comment
  CHSC114666  Isatis tinctoria D. B. Joley 1976-6-24 Siskiyou Lake Siskiyou. Comment
  UC166110  Isatis tinctoria Geo. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  HSC28732  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1822 Comment
  CAS-BOT-BC69863  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mi. ne. of Sawtooth Mountain. 1615 Comment
  RSA237979  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou NW side of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  UC1745893  Isoetes occidentalis Annetta M. Carter, Eder Lindsay 1939-8-20 1463 Siskiyou NW side of Taylor Lake. 2026 Comment
  CAS-BOT-BC135372  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou Ridge of Marble Mountain - Marble Mts. 2194 Comment
  HSC85677  Ivesia pickeringii J. P. Smith 1980-8-24 10348 Siskiyou Klamath National Forest; SR 3, 2.4 mi. from Scott Mtn. summit 1341 Comment
  CAS-BOT-BC110021  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou On Highway 97 at Hebron Summit. Comment
  SEINET5715683 Image available Juncus balticus Sandy Holloway 1963-1 73 Siskiyou Perennial from creepimg rootstock; along a spring drainage area 1 mile south of Oberlin Road, 8 miles southeast of Yreka, Siskiyou County, California.; Yreka 762 Comment
  HSC82374  Juncus balticus subsp. ater Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4527 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC74839  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Williams Point along the Klamath River S of Hwy. 96 Comment
  RSA44507  Juncus bolanderi Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, north of Somes Bar. Comment
  UC842317  Juncus bufonius A. A. Heller 1916-6-20 12411 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC30704  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Marble Mtn. Wilderness Area. shoreline of Tom's Upper Pond 2020 Comment
  HSC78913  Juncus effusus subsp. effusus Paul Wilson 1984-8-26 354 Siskiyou Juanita Lake Reservoir, edge of lake 1555 Comment
  HSC74840  Juncus effusus subsp. pacificus J. P. Smith, J. O. Sawyer 1978-7-3 10009 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  UC1108536  Juncus ensifolius Ira L. Wiggins 1955-7-21 13430 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  CHSC2218  Juncus mertensianus V. Holt 1943-8-11 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC127619  Juncus mertensianus W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Camp) Craggy Peak. Comment
  POM119126  Juncus mexicanus Geo D. Butler 1910-5-26 1409 Siskiyou Yreka. Comment
  JEPS121646  Juncus nevadensis Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL03A Comment
  JEPS66697  Juncus orthophyllus B. C. Goldsmith 1916-6-22 1 Siskiyou se of Mt. Shasta; McCloud Flat, Pilgrim Creek Comment
  HSC69218  Juncus orthophyllus Maralyn A. Renner 1980-8-31 2625 Siskiyou Twin Valley. 1494 Comment
  HSC69397  Juncus orthophyllus Maralyn A. Renner 1980-8-8 2451 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC22103  Juncus parryi J. O. Sawyer 1969-8-4 1852 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  HSC39843  Juncus parryi J. O. Sawyer 1969-7-23 1442 Siskiyou Near N Horse Range Creek along Rd. 41N14 1037 Comment
  POM256459  Juncus tenuis Edward Lee 1934-8-11 1028 Siskiyou Walker Creek canyon, a tributary of the Klamath River (east end of Seiad Valley). 610 Comment
  CAS-BOT-BC419727  Juniperus communis Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -078 Siskiyou Lower Parks Creek Lake margin, east side. 1 mile NE of China Mountain, eastern Klamath Ranges. 2200 Comment
  CAS-BOT-BC81143  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou Klamath National Forest, 1/2 mi. W. White. Mt. 1920 Comment
  HSC92548  Juniperus communis var. saxatilis Jennifer Whipple 1976-7-8 1354 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  CAS-BOT-BC81237  Juniperus occidentalis Elmer I. Applegate 1935-6-5 9293 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC1001948  Juniperus occidentalis Mrs. B. M. Berry 1954-10-10 6 Siskiyou near Callahan; Scott Mountains, Scott Valley 914 Comment
  CAS-BOT-BC56362  Kalmia microphylla subsp. microphylla H. A. Thomas; J. H. Thomas 1954-7-24 4504 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC56350  Kalmia microphylla subsp. microphylla Dorothy Parker 1950-6-4 445 Siskiyou in the Salmon Mountain Range 1920 Comment
  RSA305804  Keckiella corymbosa James R. Shevock 1972-7-26 2226 Siskiyou Along the Klamath River. 518 Comment
  RSA293293  Keckiella lemmonii D. C. Michener 1980-8-3 3773 Siskiyou Klamath Mtns. Along the Klamath River and CA 96, 8.2 miles east of Happy Camp. 400 Comment
  HSC23541  Kelloggia galioides J. O. Sawyer 1969-7-24 1190 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  RSA238883  Kelloggia galioides Frederick W. Oettinger 1968-8-10 464 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1936 Comment
  RSA238887  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou On the NE side of the saddle between Toms Lake Basin and Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1951 Comment
  UC164058  Kelloggia galioides Geo. D. Butler 1910-7-9 1707 Siskiyou Shackleford Creek 1219 Comment
  CHSC71341  Koeleria macrantha Vernon H. Oswald; Lowell Ahart 1998-6-11 9194 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CHSC86623  Koeleria macrantha Jenny Marr 1993-7-1 6 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET212850 Image available Koeleria macrantha L. E. Detling 1959-6-7 8213 Siskiyou Brush Cr near Klamath River 716 Comment
  CAS-BOT-BC273775  Koeleria pyramidata Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  UCD123810  Kopsiopsis strobilacea J. M. Tucker; D. V. Hemphill 1974-7-27 4302 Siskiyou beside trail from Haypress Meadows to Monument Lake, on Sandy Ridge ca. 4 miles from Haypress Meadows; Marble Mountain Wilderness Area. 1859 Comment
  CAS-BOT-BC499659  Kopsiopsis strobilacea Marion Ownbey; Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  RSA0076567  Kopsiopsis strobilacea Marion Ownbey, F. G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  RSA0104248  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-16 537 Siskiyou Near the summit of Little Medicine Mountain N of Hancock Lake. 2057 Comment
  CAS-BOT-BC341702  Lagophylla ramosissima H. M. Hall 1919-10-2 s.n. Siskiyou Near Weed Comment
  HSC68228  Lagophylla ramosissima J. P. Smith, J. O. Sawyer 1971-9-18 4828 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  RSA715638  Lagophylla ramosissima L. Ahart, John Dittes 2005-6-9 12016 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  CAS-BOT-BC341694  Lagophylla ramosissima Doris K. Kildale 1928-7-25 5866 Siskiyou Klamath River between Gottville & Brown's Resort Comment
  RSA78689  Lathyrus P. A. Munz 1952-7-2 17878 Siskiyou Road to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1463 Comment
  HSC103308  Lathyrus jepsonii subsp. californicus Thomas W. Nelson, Jane Nelson 1983-7-29 7505 Siskiyou Along Forest Service Rd. 41N14, 1.7 mi. N of junction with Callahan-Cecilville County Rd. 1463 Comment
  CAS-BOT-BC204982  Lathyrus jepsonii var. californicus Alice Eastwood 1923-5-23 11937 Siskiyou Cantara, S.P.R.R. Comment
  JEPS96695  Lathyrus lanszwertii var. aridus Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15984 Siskiyou ca. 4 air mi. s.w. Gazelle; Scott Mts., Yreka Ditch, Shasta Valley; ca. 4 air mi. s.w.; hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley 960 Comment
  UC673249  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2898 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  RSA237895  Lathyrus nevadensis subsp. nevadensis Frederick W. Oettinger 1969-8-1 1136 Siskiyou Between English Lake and Wire Grass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC164285  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Goosenest 1524 Comment
  UCD106398  Lathyrus nevadensis var. nevadensis Freed W. Hoffman 1948-7-9 2567 Siskiyou 6.5 miles north of West Branch Public Camp, Waldo-Happy Camp Road. Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  UC61172  Lemna turionifera W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  CDA36979  Lepidium campestre CDFA Staff 12 Siskiyou Mt. Shasta. 0 Comment
  HSC193  Lepidium campestre William J. Ferlatte 1966-8-3 255 Siskiyou Mtn. Meadow Ranch 1524 Comment
  NY76302  Lepidium montanum subsp. canescens A. A. Heller 1905-6-19 8068 Siskiyou "No. 8068, collected June 19 in the Shasta Valley near Grenada station" Comment
  NY76303  Lepidium montanum subsp. canescens A. A. Heller 1928-6-9 14610 Siskiyou Along the railroad between Gazelle and Grenada in the Shasta Valley Comment
  CDA24934  Lepidium montanum subsp. canescens R. S. Richards 1975-6-9 Siskiyou E. Dougherty & Sons potato sorting shed, Gazelle. 0 Comment
  CDA3822  Lepidium perfoliatum T. C. Fuller 1958-6-19 1825 Siskiyou Railroad yard, Montague. 0 Comment
  UC881523  Leptodactylon pungens Lewis S. Rose 1940-6-14 40585 Siskiyou Indian Well; lava Beds National Monument, Indian Well 1524 Comment
  POM364701  Leptosiphon bolanderi Christopher Davidson 1975-6-5 2661 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  SBBG30497  Leptosiphon ciliatus D. Myrick 1968-6-25 2018 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  POM74191  Leptosiphon harknessii Edward Palmer 1892-7-13 2463 Siskiyou Mt. Shasta and vicinity. Comment
  RSA75627  Lesquerella occidentalis Albert M. Vollmer, L. Beane 1951-5-31 24 Siskiyou Scott Mountain Comment
  JEPS6664  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 914 Comment
  HSC8217  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1972-9-14 5801 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  POM256458  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 442 Comment
  UC1287434  Lessingia nemaclada John Weiler and A. P. Nelson 1960-6-26 60225 Siskiyou 2.2 mi nw second bridge across Salmon River (nw of town of Forks of Salmon, on banks of rive); Salmon River Comment
  HSC83882  Leucothoe davisiae K. Berg, Stephanie Bennett 1986-8-25 640 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  RSA238392  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou N. end of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC58258  Leucothoe davisiae W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak. Salmon Mts. 2133 Comment
  SEINET4903945  Lewisia columbiana Jack Seely 1991-5-27 s.n. Siskiyou Klamath National Forest, West Branch (2200 ft) Forest service Camp Ground, Poker Flats (5200 ft) a high mountain meadow. Comment
  UC922366  Lewisia cotyledon var. cotyledon Annie M. Alexander and Louise Kellogg 1949-7-20 5816 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  UCR259343  Lewisia kelloggii Glenn L. Clifton 1997-6-27 35538 Siskiyou Soapstone Gulch [c. 7.9 miles WSW of Dunsmuir] 1991 Comment
  HSC65349  Lewisia leeana Rich White 1978-7-3 214 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC69262  Lewisia leeana John Palmer 1980-7-24 661 Siskiyou Dillon Divide 1707 Comment
  UC1190112  Lewisia leeana Ira L. Wiggins 1955-7-29 13569 Siskiyou Caribou Lake, pass at sw end Salmon-Trinity Alps Primitive Area 2072 Comment
  UC454264  Lewisia leeana I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UC1949212  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou W of small streamlet; N-facing slope; N side of ridge W of Parks Creek trailhead (Pacific Crest Trail crossing of Rt 17); ca 8 airmiles SW of Weed Comment
  CAS-BOT-BC444192  Lewisia nevadensis Gilbert Muth 1966-7-14 383 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  SBBG1936  Lewisia nevadensis H. and M. Dearing 1939-6-5 3559 Siskiyou SE of McCloud 1371 Comment
  RSA464484  Lewisia rediviva Christopher Davidson 1975-6-5 2660 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CAS-BOT-BC444580  Lewisia triphylla Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  HSC29446  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1951 Comment
  UC144162  Leymus cinereus A. A. Heller 1905-6-19 8069 Siskiyou Grenada Station Comment
  CAS-BOT-BC272170  Leymus triticoides L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  SEINET10531236  Libocedrus decurrens Edward L. Greene 1876-9-6 Greene 1040 Siskiyou collected near Yreka Comment
  SEINET10531252  Libocedrus decurrens Edwin B. Copel 1903-8-13 Copeland 3913 Siskiyou Sisson. On Big Spring Creek. 3500 feet. 1050 Comment
  HSC22239  Ligusticum californicum J. O. Sawyer 1969-8-18 1974 Siskiyou S of S Sugar Lake 2104 Comment
  HSC97417  Ligusticum grayi J. M. DiTomaso 1980-8-26 1913 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  UCD77824  Ligusticum grayi Robert E. Preston 2001-7-21 1727 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  UC454438  Lilium I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  CAS-BOT-BC508258  Lilium columbianum W. R. Dudley 1905-8-3 s. n. Siskiyou Sacramento River Comment
  HSC44999  Lilium kelleyanum J. P. Smith, Steve Selva 1970-7-17 4448 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC76742  Lilium kelleyanum K. T. Stillman 1976-7-15 269 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC509367  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC130823  Lilium pardalinum R. C. Wooley 1931-6-1 s.n. Siskiyou Shasta Retreat Comment
  CHSC2292  Lilium pardalinum subsp. pardalinum V. Holt 1943-8-7 Siskiyou Marble Mountains. 1828 Comment
  HSC96874  Lilium pardalinum subsp. shastense Gordon Leppig, J. Cromwell 1997-7-25 581 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  UC1483484  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  HSC77935  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1502 Siskiyou Near Flint Valley 1402 Comment
  CAS-BOT-BC133095  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-8-28 1950 Siskiyou Cantara Comment
  CAS-BOT-BC133104  Lilium washingtonianum subsp. washingtonianum Wm. Bridge Cooke 1938-7-22 11328 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC133100  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles north-east of the town of Mount Shasta 1402 Comment
  UC880334  Linanthus ciliatus A. A. Heller 1916-6-23 12428 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UC163851  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  HSC99615  Linum lewisii Jennifer Whipple 1976-6-19 1066 Siskiyou N-facing slopes in the Eddy Creek drainage 2195 Comment
  UC1333303  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Etna Creek Salmon Mountains Range 1176 Comment
  CAS-BOT-BC36010  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  CAS-BOT-BC36537  Lithocarpus densiflorus var. echinoides W. R. Dudley 1905-8-4 s.n. Siskiyou South spur of Mt. Eddy Comment
  POM267232  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi. northwest of McCloud. Comment
  CAS-BOT-BC435475  Lithophragma glabrum J. P. Moore unspecified s.n. Siskiyou Sisson, now Mt. Shasta City Comment
  HSC22240  Lithophragma heterophyllum J. O. Sawyer 1969-7-18 1378 Siskiyou Near South Russian Creek 1890 Comment
  CAS-BOT-BC325941  Lithospermum californicum Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CHSC71287  Lithospermum ruderale Vernon H. Oswald; Lowell Ahart 1998-6-11 9176 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  HSC78321  Lomatium californicum L. P. Janeway 1983-7-17 425 Siskiyou Poker Flat, E edge of upper portion of meadow 1524 Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  CHSC91232  Lomatium macrocarpum Lowell Ahart; John Dittes 2005-6-9 12032 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
  HSC34149  Lomatium macrocarpum J. O. Sawyer 1969-7-1 985 Siskiyou Above Paynes Lake Creek 1951 Comment
  RSA237415  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou SSW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA47656  Lomatium nevadense Roxana S. Ferris, Laura Lorraine 1948-6-16 11842 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1500 Comment
  UC106270  Lomatium nudicaule Brandegee July, 1887 Siskiyou Edgewood Comment
  UC54311  Lomatium nudicaule H. M. Hall and E. B. Babcock June, 1903 4053 Siskiyou 18th crossing Sacramento R. Mt. Shasta; Sierra Nevada Mts., , Sacramento R. 1280 Comment
  HSC68484  Lomatium triternatum Maralyn A. Renner 1980-6-22 879 Siskiyou Slopes N of Little Shasta River 1372 Comment
  SEINET11131417  Lomatium triternatum var. triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  HSC4899  Lonicera conjugialis J. O. Sawyer 1968-7-23 621 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  UC1190106  Lonicera conjugialis Ira L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC243921  Lonicera involucrata var. involucrata H. E. Brown 1897-7-15 473 Siskiyou South side of Mt. Shasta 3048 Comment
  UC54575  Lonicera involucrata var. involucrata H. M. Hall and E. B. Babcock June, 1903 4137 Siskiyou Pole Canyon Sierra Nevada Mountains 1463 Comment
  POM27604  Lotus douglasii Geo. D. Butler 1909-5-23 777 Siskiyou Near Yreka Comment
  SFV5182  Lotus oblongifolius B. C. Templeton 1960-6-21 8558 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  UC1561366  Lotus purshianus var. purshianus Barbara Ertter 1987-7-26 7324 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction, w of road) 1371 Comment
  UC75216  Lotus purshianus var. purshianus Copeland 1903-7-6 3495 Siskiyou Hornbrook Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  RSA624978  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge. 2134 Comment
  UC1409366  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou se corner Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC342563  Luina hypoleuca John Thomas Howell 1939-8-6 15104 Siskiyou Elk Mt., Marble Mts. Comment
  SBBG3502  Lupinus albicaulis H. and M. Dearing 1939-6-19 3680 Siskiyou high up French Crk 914 Comment
  SBBG94889  Lupinus albicaulis S. Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity Nat Forest, S of Mt Shasta 1767 Comment
  HSC608  Lupinus albicaulis William J. Ferlatte 1967-7-26 760 Siskiyou NW side of Caribou Mtn., Browns Meadow. 1829 Comment
  RSA300985  Lupinus albicaulis var. albicaulis David B. Dunn 1971-8-15 18141 Siskiyou 1/2 mi. east of McCloud Ranger Station on Hwy. 89. Comment
  POM24891  Lupinus albicaulis var. shastensis Geo. D. Butler 1909-6-23 913 Siskiyou Goosenest foothills. 1524 Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  UC15787  Lupinus albifrons T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC640281  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  UC157010  Lupinus albifrons var. albifrons Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka Comment
  CAS-BOT-BC196323  Lupinus albifrons var. flumineus Charles Piper Smith 1947-5-13 47271 Siskiyou 9.2 miles east of Weed. Highway 97 Comment
  HSC30774  Lupinus albifrons var. flumineus J. P. Smith, J. O. Sawyer 1972-5-28 5374 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  JEPS65308  Lupinus arbustus Geo. D. Butler 1909-5-14 705 Siskiyou near Yreka (Klamath Hills); Klamath Hills Comment
  UC1303128  Lupinus argenteus A. A. Heller 1928-6-9 14607 Siskiyou near the creamery at Montague Montague Comment
  UCD106798  Lupinus argenteus var. argenteus J. M. Tucker 1950-7-24 1960 Siskiyou outskirts of Dorris. Comment
  JEPS117905  Lupinus breweri var. breweri L. P. Janeway 2008-7-23 9480 Siskiyou crest of mountain 2.1 air km northeast of Condrey Mountain Siskiyou Mountains; Klamatha Ranges 2115 Comment
  NY15835  Lupinus corymbosus A. A. Heller 1905-6-9 8015 Siskiyou Montague Comment
  UCD15150  Lupinus croceus K. F. Mawdsley 1996-7-10 13 Siskiyou Along paved road to Castle Lake. 1584 Comment
  CAS-BOT-BC215178  Lupinus croceus Wm. Bridge Cooke 1940-6-6 15079 Siskiyou Roadside on the way to Castle Lake 1524 Comment
  CHSC69477  Lupinus croceus var. croceus James D. Jokerst 1992-7-30 3423 Siskiyou Top of divide between Trinity River, summit of reddish mountains S of road crossing saddle. Comment
  SDSU4985  Lupinus lapidicola D. F. Howe 1972-7-4 4869 Siskiyou Ranger Peak road, stoney hilltop just south of Del Norte, marker near Youngs Valley. 1737 Comment
  CAS-BOT-BC202057  Lupinus lapidicola Marck Menke 1999-7-9 65 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  UC144499  Lupinus latifolius var. viridifolius C. F. Baker 1903-8-13 3887 Siskiyou Sisson Comment
  UC162165  Lupinus latifolius var. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  JEPS105171  Lupinus lepidus var. lobbii Dean W. Taylor 1993-7-30 14021 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  UC1034068  Lupinus lepidus var. sellulus W. Bridge Cooke 1941-8-18 16189 Siskiyou Mount Shasta Comment
  UC157029  Lupinus lepidus var. sellulus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek Comment
  UC865433  Lupinus lepidus var. sellulus A. A. Heller 1916-7-21 12481 Siskiyou near Upton; near Upton 1097 Comment
  UCSB16731  Lupinus lepidus var. sellulus 1962-6-11 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  RSA25916  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou Dry land near Yreka. Comment
  HSC71358  Lupinus polyphyllus J. P. Smith, Steve Selva 1970-7-17 4441 Siskiyou 915 Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  CDA27572  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  UC454945  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
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Nov 3 2007
  HSC92406  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-7-9 1395 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC41643  Lupinus sellulus subsp. ursinus J. O. Sawyer, Ed Cope 1977-6-21 2982 Siskiyou Near Prescott Peak along headwaters of W Fork of Clear Creek 1677 Comment
  POM26284  Lupinus subvexus var. transmontanus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  HSC49940  Lupinus tracyi G. L. Clifton, Ground 1978-7-13 2116 Siskiyou Near Flint Valley, close to Orleans 1418 Comment
  UC1483487  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou se edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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Oct 13 2011
  CAS-BOT-BC436709  Luzula comosa var. laxa Alice Eastwood 1921-7-28 10908 Siskiyou Medicine Lake Comment
  JEPS67159  Luzula comosa var. laxa Geo. D. Butler 1910-4-19 1197 Siskiyou Near Yreka Comment
  HSC288  Luzula divaricata William J. Ferlatte 1967-8-21 1078 Siskiyou Caribou Basin, ridge W of Big Caribou Lake, Sawtooth Ridge 2134 Comment
  CAS-BOT-BC441293  Luzula macrantha W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink Meadow Comment
  HSC103819  Lycium barbarum G. Fred Hrusa, T. D. Wilfred 1999-5-31 15065 Siskiyou East side of I-5 at Klamath River rest area, ~10 mi. N of Yreka; former homestead 640 Comment
  CDA40731  Lycopus asper H. Christensen 1964-7-21 s.n. Siskiyou East side of Lower Sump, Modoc Wildlife Refuge. 0 Comment
  HSC36660  Lysichiton americanus Brent Whiteley 1975-6-29 105 Siskiyou 976 Comment
  CAS-BOT-BC27563  Machaeranthera canescens var. shastensis Edward Lee Greene 1876-1-1 s.n. Siskiyou unspecified Comment
  RSA78944  Machaeranthera canescens var. shastensis E. K. Balls, Percy C. Everett 1952-10-12 18171 Siskiyou 1.8 miles south of junction along road to Medicine Lake, from Indian Well Ranger Station 1402 Comment
  UC89538  Madia citriodora K. Brandegee July 1887 Siskiyou Ager Klamath River, Ager Comment
  CAS-BOT-BC343997  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC344015  Madia elegans Lewis S. Rose 1937-7-3 37394 Siskiyou Weed 944 Comment
  JEPS40344  Madia elegans Geo. D. Butler 1909-8-17 450 Siskiyou along creek near Yreka Comment
  CHSC71473  Madia exigua Vernon H. Oswald; Lowell Ahart 1998-7-12 9355 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
  RSA120895  Madia exigua Milo S. Baker 1957-6-16 13149 Siskiyou Scott Mountain 1768 Comment
  CAS-BOT-BC334668  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC343431  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC36815  Madia gracilis J. P. Smith 1974-5-27 7619 Siskiyou Along FS Rd. 47N03 1280 Comment
  UCR66722  Madia minima L. C. Wheeler 1934-6-1 02601 Siskiyou Siskiyou Mtns., Mt. Diablo mer. 2058 Comment
  RSA12611  Mahonia aquifolium C. B. Wolf 1934-7-5 5974 Siskiyou 4 7/10 mi. from Oak Knoll R.S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1220 Comment
  SEINET6909344  Mahonia piperiana M. K. Solecki, J. B. Taft 1986-9-9 2141 Siskiyou Along Scott River. Comment
  POM97669  Mahonia repens Geo. D. Butler 1910-8-1 1807 Siskiyou Yreka Creek. Comment
  HSC18911  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-7-10 472 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA264977  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mountain, near Seiad Valley 1756 Comment
  HSC69332  Maianthemum stellatum John Palmer 1980-8-13 760 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  HSC96417  Maianthemum stellatum Gordon Leppig, J. Kalt 1996-7-9 374 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC67155  Malacothrix floccifera J. P. Smith, Steve Selva 1970-6-15 3974 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC165396  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  UCD134395  Malacothrix floccifera Steve Selva; James Payne Smith, Jr 1970-7-15 3974 Siskiyou 1 mile west of junction California 3 and Road 8 leading to Sugar Creek. 1158 Comment
  RSA239019  Melica aristata Frederick W. Oettinger 1969-8-4 1159 Siskiyou Above Half-way Spring between English Lake and Diamond Lake. Salmon Mountains: The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC271211  Melica bulbosa C. L. Hitchcock; J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  HSC76712  Melica bulbosa K. T. Stillman 1976-7-30 344 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  CAS-BOT-BC269363  Melica californica Lincoln Constance; Reed C. Rollins 1942-5-14 2934 Siskiyou Klamath--Siskiyou Region. Shasta River 6 miles north of Yreka 762 Comment
  CHSC36113  Melica californica K. Bridwell 1978-4-14 83 Siskiyou Along Klamath River ca. 4 mi s of Hornbrook. 670 Comment
  HSC21981  Melica fugax J. O. Sawyer 1969-7-9 1271 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  POM114773  Melica fugax Geo D. Butler 1910-4-30 1251 Siskiyou Yreka. Comment
  UCD87482  Melica harfordii Beecher Crampton 1956-8-21 3844 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle Fork with the south Fork. 1112 Comment
  HSC69248  Melica subulata Maralyn A. Renner 1980-7-24 2064 Siskiyou Lily Pad Lake 1768 Comment
  UC164049  Mentzelia dispersa Geo. D. Butler 1908-7-3 1026 Siskiyou Comment
  UCD18334  Mentzelia laevicaulis F. G. Parsons 1946-7-26 s.n. Siskiyou Scott Mountain. Comment
  UCD77990  Micranthes aprica Robert E. Preston 2001-6-23 1602 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC429035  Micranthes nidifica Edna Churchill 1904-4-11 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC322661  Microseris laciniata Geo. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  CHSC71283  Microseris nutans Vernon H. Oswald; Lowell Ahart 1998-6-11 9198 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  POM35783  Microseris nutans Geo D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek. Comment
  RSA801991  Microseris nutans Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 1006 Comment
  POM208263  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-7 2650 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC71504  Mimetanthe pilosa Vernon H. Oswald; Lowell Ahart 1998-7-21 9360 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
  JEPS25060  Mimulus alsinoides Joseph P. Tracy 1939-4-29 16272 Siskiyou Somes Bar 182 Comment
  JEPS11704  Mimulus breweri F. W. Pennell 1940-7-19 26197 Siskiyou Mount Shasta 1981 Comment
  RSA119355  Mimulus breweri S. S. Tillett 1956-7-9 638 Siskiyou E. of Scott Mtn., s. end of small lake. Siskiyou -Trinity Co. Line. 8 mi. se. of Callahan 1829 Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  UC1019310  Mimulus kelloggii Dorothy Parker 1953-5-24 536 Siskiyou Scott River Siskiyou Mountains 609 Comment
  UC445160  Mimulus layneae W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  POM252819  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 5 miles north of Weed on US Hwy no. 97. 1067 Comment
  UC164375  Mimulus moniliformis Geo. D. Butler 1910-7-8 1685 Siskiyou Shackleford Creek 1219 Comment
  HSC73317  Mimulus moschatus Gail Newton 1980-6-20 498 Siskiyou Near Bald Mtn. 1097 Comment
  UCD122800  Mimulus moschatus J. M. Tucker; R. Tofsrud 1948-8-3 1778 Siskiyou 3 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  HSC72407  Mimulus moschatus J. P. Smith, Steve Selva 1970-7-27 4510 Siskiyou Gumboot Lake 1768 Comment
  RSA529964  Mimulus nanus var. jepsonii D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9020 Siskiyou S end of Saddle Hills 1646 Comment
  UCSB59405  Mimulus nanus var. jepsonii Thompson, David 1988-6-4 Siskiyou 8.0 mi E of McCloud along Hwy 89; SW corner of jct of Bigelow Meadows Road and Hwy 89; Opposite Hwy 89 from USFS Road 40N16; 2.4 mi W of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi W of USFS Ash Creek Station; T39N, R1W, S5 1100 Comment
  JEPS32001  Mimulus nanus var. nanus W. B. and V. G. Cooke 1963-7-10 34263 Siskiyou n side Mt. Shasta (Bolam Road) Comment
  JEPS4010  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  UC445180  Mimulus pilosus Dr. E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy 2286 Comment
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Sep 16 2010
  RSA771671  Mimulus primuloides A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  HSC91001  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-8-20 1729 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  RSA666377  Mimulus primuloides var. linearifolius Barbara J. Ertter, Julie Kierstead, James Nelson 1990-7-15 9354 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  JEPS4671  Mimulus pulsiferae Willis L. Jepson July, 1894 55 m Siskiyou Sisson Region of the Upper Sacramento Comment
  CAS-BOT-BC388881  Minuartia douglasii J. H. Thomas 1954-5-14 4166 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  UC1213802  Minuartia douglasii Jean Langenheim 1957-5-19 4347 Siskiyou intersection of Miner's Creek Rd and Tiger Creek Road Comment
  RSA423559  Minuartia douglasii N. G. Sugihara 1977-5-28 74 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA666373  Minuartia nuttallii subsp. gregaria Barbara Ertter 1990-7-14 9308 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UC852385  Minuartia nuttallii subsp. gregaria Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  CAS-BOT-BC181107  Minuartia nuttallii var. gregaria Gilbert J. Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge 2316 Comment
  JEPS51504  Minuartia pusilla Geo. D. Butler 1909-4-25 619 Siskiyou Quartz Valley; pine barrens Comment
  SEINET4853159  Minuartia stolonifera Unknown 1983-7-29 7500 Siskiyou Along west side of State Rt. 3, 2.4 mi N. of Scott Mountain Pass just S of junction with road 40N03. 1372 Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC229606  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Hill E from Yreka Comment
  CAS-BOT-BC433018  Mitella diversifolia Antone Q. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC433020  Mitella diversifolia Clarence R. Quick 1958-6-17 58 -24 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  HSC64877  Mitella pentandra J. P. Smith, Steve Selva 1970-6-16 4069 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  JEPS49682  Mitella pentandra Geo. D. Butler 1908-8-8 219 Siskiyou Marble Valley Camp Comment
  CAS-BOT-BC433079  Mitella trifida Ella Dales Cantelow 1936-5-20 1415 Siskiyou Cow Creek. Turned here on Salmon Mt. Comment
  POM91919  Mitella trifida Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mtn. 1220 Comment
  UC162893  Moehringia macrophylla Harley P. Chandler June, 1901 1568 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges, near Marble Mountain 1828 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC97824  Monardella odoratissima Juha Pykala, D. H. Norris 1987-7-7 2385 Siskiyou Camp Two Rd., 3 mi. from the jct. of Rd. 15 and Rd. 49 to Medicine Lake 1402 Comment
  SEINET3996417 Image available Monardella odoratissima J. M. Tucker, L. K. Mann, S. L. Holloway 1963-1 3754 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2134 Comment
  JEPS84084  Monardella odoratissima subsp. glauca L. R. Heckard with J. Hickman et al. 1986-7-17 6515 Siskiyou N slope Condrey Mt. 1960 Comment
  RSA264973  Monardella odoratissima subsp. glauca G. L. Clifton 1975-7-28 7219 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  SEINET3152593  Monardella odoratissima subsp. glauca G. B. Grant 796 Siskiyou Mount Shasta. 2438 Comment
  UC144545  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  UC2035858  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-6-8 9432 Siskiyou Bear Paw Cave Lava Beds National Monument Comment
  UC2035946  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  UCD125202  Monardella odoratissima subsp. glauca K. M. Meyer; A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest; 10.1 miles on National Forest Road 70, off Highway 97 toward Oregon. 1956 Comment
  CAS-BOT-BC220367  Monardella odoratissima subsp. pallida Geo. B. Grant 1902-9-1 796 Siskiyou Mt. Shasta Comment
  SBBG25897  Monardella odoratissima subsp. pallida D. Myrick 1966-8-8 1497 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC917237  Monardella odoratissima subsp. pallida R. Tofsrud and J. M. Tucker 1948-8-2 1757 Siskiyou Cemetery ca. 2 mi s McCloud Comment
  RSA215625  Monardella odoratissima subsp. pallida Gilbert Muth 1969-8-6 1196 Siskiyou Boulder Park. 2530 Comment
  RSA401676B  Monardella odoratissima subsp. pallida M. B. Dunkle 1944-7-18 s.n. Siskiyou Siskiyou National Forest Comment
  RSA0022798  Monardella villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch. 671 Comment
  HSC64318  Montia parvifolia J. P. Smith, Steve Selva 1970-6-16 4056 Siskiyou 8 mi. W of Etna on road to Sawyers Bar 1372 Comment
  UC196950  Muhlenbergia asperifolia Geo. D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  UCD86526  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Gravelly soil between Gazelle and Edgwood in the Shasta Valley. Upper Sonoran Life Zone. Comment
  HSC65681  Muhlenbergia filiformis Donald W. Miles 1979-7-25 19 Siskiyou 3/4 way up Shirttail Canyon near Black Fox Mtn. on logging spur 20 miles NE of McCloud. Comment
  UCD86576  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  CAS-BOT-BC275341  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  HSC22229  Muhlenbergia montana J. O. Sawyer 1969-8-1 1690 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30602  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  SD122127  Myriopteris gracillima Robert T. Clausen, Harold Trapido 1940-7-26 4953 Siskiyou Canyon on Mud Creek, Mt. Shasta, southern Cascade Mountains 1584 Comment
  JEPS3050 Image available Nama densa John G. Lemmon 1889-6-28 Siskiyou near Edgewood; Shasta Valley; near Edgewood, Shasta Valley Comment
  CHSC33986  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  CHSC9485  Nama lobbii J. F. Goodwin 1971-7-3 136 Siskiyou 6.0 mi. south of Mt. Shasta Ski Bowl area. 1737 Comment
  UC1495355  Narthecium californicum Robert T. Clausen and Harold Trapido 1940-7-26 4955 Siskiyou Wagon Camp, Mt. Shasta S. Cascade Mts., Sacramento R. Basin, Mt. Shasta, Wagon Camp 1737 Comment
  SEINET3991320  Narthecium californicum Unknown 1953-7-29 Siskiyou Summit of Scott Mountain 1625 Comment
  UC1409297  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou drying meadows nw Upper English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, Upper English 1950 Comment
  RSA237995  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET14055717  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Jaynes Canyon, Siskiyou Mts. 1951 Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  UC1409294  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wildeness Area 1889 Comment
  RSA26220  Navarretia divaricata J. T. Howell 1937-7-27 13572 Siskiyou Salmon River near Big Flat 1524 Comment
  UC711846  Navarretia intertexta subsp. propinqua Roxana S. Ferris and Laura Lorraine 1941-8-11 10500 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  UC1112256  Navarretia leucocephala subsp. leucocephala R. C. Bacigalupi with S. Galen Smith 1957-6-27 5979 Siskiyou 4.0 mi s Dorris; Butte Valley 1280 Comment
  UC24281  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1706 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1981 Comment
  UC52235  Nemophila pedunculata H. M. Hall and E. B. Babcock 1903-6-18 4121 Siskiyou Bartles Station , Bartles Station (McCloud River) 1219 Comment
  CHSC97390  Nicotiana attenuata Jenny Marr 2006-6-18 226 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  RSA80775  Nicotiana attenuata F. W. Peirson 1923-7-19 3837 Siskiyou 20 miles north of Bray. Comment
  CAS-BOT-BC60567  Noccaea fendleri subsp. glauca Alice Eastwood 1912-7-23 1330 Siskiyou Cantara. Comment
  CHSC71284  Nothocalais troximoides Vernon H. Oswald; Lowell Ahart 1998-6-11 9199 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  JEPS105141  Nothochelone nemorosa Dean W. Taylor 1993-7-30 13990 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS11222  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou bluff s of lake at head of West Fork Wooley Creek West Fork Wooley Creek 1676 Comment
  NY790539  Nothochelone nemorosa H. L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  NY790540  Nothochelone nemorosa J. P. Tracy 1935-8-1 14420 Siskiyou Head of Knownothing Creek. 1 mile northeast of Summit Mine, 3 miles southeast of Salmon Summit. 1767.8 Comment
  RSA0013864  Nuphar lutea subsp. polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou East side of English Lake. Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC1409397  Nuphar polysepala Frederick W. Oettinger and R. F. Thorne 1969-8-7 1273 Siskiyou e side of English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  CHSC4521  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 44 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  UC1181808  Olsynium douglasii var. douglasii Dorothy Parker 1950-4-1 300 Siskiyou near Callahan; Siskiyou Mountains 914 Comment
  JEPS26035  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou just s of Sam's Neck; Fred Voelker ranch, Meiss Lake Basin, Dorris Comment
  RSA64022  Opuntia fragilis C. B. Wolf 1944-10-28 11477 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague). Comment
  HSC73298  Orobanche fasciculata M. A. Baker 1980-6-20 2213 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC500329  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1966-7-18 417 Siskiyou Marble Mountains: Marble Gap Trail, above Marble Valley 1828 Comment
  HSC69387  Orthilia secunda Maralyn A. Renner 1980-8-31 2664 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CHSC28801  Orthocarpus bracteosus J. D. Jokerst 1978-9-3 159 Siskiyou Five miles east of Weed. Comment
  UC1333322  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou near summit of Scott Mountain; near summit of Scott Mountain 1582 Comment
  UCSB21963  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mts. south of Calahan Comment
  UC103148  Orthocarpus imbricatus J. W. Congdon 1900-8-13 Siskiyou foot Mt. Shasta Comment
  CAS-BOT-BC7008  Orthocarpus pachystachyus Edward Lee Greene 1876-5-26 s.n. Siskiyou Near Yreka Comment
  SEINET10483819  Osmaronia cerasiformis David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20648 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly. Comment
  RSA126288  Osmorhiza berteroi I. L. Wiggins 1955-7-21 13428 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  CAS-BOT-BC318450  Packera cana Elmer Ivan Applegate 1935-6-5 9338 Siskiyou Lyons road, north boundaty of lava Beds national Monument Comment
  HSC90558  Packera cana Jennifer Whipple 1976-7-25 1579 Siskiyou N face of Mt. Eddy 2500 Comment
  UCSC004605  Panicum capillare Randall Morgan 2004-5-31 4178 Siskiyou Castle Crags State Park, Sacramento River Comment
  CAS-BOT-BC175611  Parnassia palustris L. E. Smith 1913-9-1 552 Siskiyou Mt. Eddy Comment
  HSC19160  Parnassia palustris J. O. Sawyer 1969-8-17 1973 Siskiyou West of Little Duck Lake. 2073 Comment
  CAS-BOT-BC202845  Paxistima myrsinites Alice Eastwood 1912-7-15 1117 Siskiyou McCloud Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC202861  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near jct. of Boulder Creek and N. Fork Salmon River, along trail to English Peak Comment
  JEPS9620  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou Woolly Creek Comment
  UC1608338  Paxistima myrsinites J. Kierstead 1990-5-8 90 -61 Siskiyou McCloud Ranger District, Lower Falls of McCloud River Shasta-Trinity Nat'l Forests, McCloud Ranger District 975 Comment
  SJSU3571  Paxistima myrsinites G. R. Ostrander 1965-7-13 75 Siskiyou by McCloud R 5 mi E of Mc Cloud, 0.5 mi S of Sate Rte 89 1219 Comment
  POM228954  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  CAS-BOT-BC266648  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  UCD123289  Pedicularis bracteosa var. flavida Alfred H. Murphy 1961-7-19 61 D Siskiyou Marble Mtns., Klamath National Forest, Sky High Valley, north end. 1584 Comment
  UC672571  Pedicularis densiflora Dorothy Tebbe 1930-3-28 61 Siskiyou near Weed Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  UC1483483  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley; Klamath National Forest 1524 Comment
  HSC60797  Pedicularis racemosa Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  UC221507  Pedicularis racemosa H. E. Brown Jul 1 1897-Jul 15 1897 488 Siskiyou n side of Mount Shasta 1524 Comment
  UC595099  Pedicularis racemosa David D. Keck 1938-8-6 4822 Siskiyou Poker Flat, Siskiyou County at Del Norte County line Poker Flat; Siskiyou Mountains 1463 Comment
  UC886715  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3022 Siskiyou head Jaynes Canyon; Siskiyou Mountains 2072 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  RSA577172  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains: Trapper Creek. 1372 Comment
  CAS-BOT-BC67672  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake 1828 Comment
  JEPS7204  Penstemon anguineus W. L. Jepson 1937-7-30 18537 Siskiyou near Poker Flat summit; Siskiyou Mts., nr Poker Flat summit 1584 Comment
  JEPS84083  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6294 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line); Indian Creek Road fr Takilma to Happy Camp 1420 Comment
  UC1222500  Penstemon anguineus Joseph P. Tracy 1950-7-20 19212 Siskiyou 5 mi se Elk Valley (Flint Valley); , se of Elk Valley 1432 Comment
  POM42970  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek. 1220 Comment
  RSA126289  Penstemon anguineus I. L. Wiggins 1955-7-24 13490 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks. 1494 Comment
  RSA138224  Penstemon anguineus Percy C. Everett, E. K. Balls 1959-10-23 23941 Siskiyou 4.6 miles SW from Etna on rd from Callaban to Somesbar. Salmon Mtns. 1768 Comment
  RSA238748  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Ridge between English Peak and Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  HSC62465  Penstemon azureus Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley, 2 mi. from Poker Flat Comment
  SEINET7073520  Penstemon centranthifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
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Jul 13 2018
  UC1238935  Penstemon cinereus Freed W. Hoffman 1948-7-12 2456 Siskiyou Little Shasta River 22.8 mi e Montague (Lava Flow); North Coast Ranges, Little Shasta River, Lava flow 1584 Comment
  HSC69367  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3782 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  JEPS22930  Penstemon deustus Volney Rattan June 1879 Siskiyou below Orleans; Klamath, below Orleans Comment
  JEPS107481  Penstemon deustus var. suffrutescens Lowell Ahart, John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north 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
  SFV5160  Penstemon deustus var. suffrutescens B. C. Templeton 1960-6-21 8527 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CHSC4531  Penstemon gracilentus J. E. Bowlin 1967-7-18 38 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  HSC69372  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-19 3675 Siskiyou Near FS Rd. 45N05 2018 Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  RSA659604  Penstemon laetus subsp. sagittatus J. C. Roos 1948-9-2 3974 Siskiyou 6 miles SW of Yreka. Comment
  SEINET10744645 Image available Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-11 Brown 360 Siskiyou Collected North side Mt. Shasta. 1524 Comment
  JEPS69755  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1972-6-30 45409 Siskiyou Andesite-Military Pass Road Mt. Shasta 1524 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  NY604574  Penstemon laetus var. sagittatus W. B. Cooke 1975-9-3 50481 Siskiyou Above Andesite Station in pine plantation, Mount Shasta Comment
  SEINET5328855 Image available Penstemon laetus var. sagittatus G. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  HSC59936  Penstemon newberryi subsp. berryi D. L. Goforth 1979-7-19 247 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  HSC29293  Penstemon newberryi subsp. berryi Frederick W. Oettinger, R. F. Thorne 1969-8-5 1219 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo View Gap along English Lake trail Comment
  CAS-BOT-BC239343  Penstemon newberryi var. berryi Wm. Bridge Cooke 1938-6-17 11010 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC174047  Penstemon newberryi var. berryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek Comment
  JEPS26254  Penstemon newberryi var. berryi Friedrich Ehrendorfer 1959-5-29 loc. 22 Siskiyou to the S of the road, at Etna summit, on road from Etna to Finley Camp (Salmon Mtn. summit) 1813 Comment
  UC27481  Penstemon newberryi var. newberryi C. B. Bradley 1879-1 Siskiyou Comment
  UC335593  Penstemon newberryi var. newberryi unknown Aug. 1878 Siskiyou Shasta Comment
  UC696739  Penstemon newberryi var. newberryi David D. Keck 1927-8-16 304 Siskiyou 4 mi E of Mt. Shasta City (Sisson) (W flank of Mt. Shasta); Sierra Nevada 1609 Comment
  UC887197  Penstemon newberryi var. newberryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  JEPS11203  Penstemon parvulus Ruby Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280 Comment
  NY629984  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou East side of Mt. Eddy Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  HSC19131  Penstemon parvulus J. O. Sawyer 1969-7-2 1036 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  CHSC57459  Penstemon roezlii L. P. Janeway 1984-6-22 869 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  POM42981  Penstemon roezlii Geo. D. Butler 1910-6-23 1601 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC239415  Penstemon rupicola C. L. Hitchcock; J. S. Martin 1939-7-6 5231 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  CHSC118594  Penstemon speciosus Richard R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  RSA12669  Penstemon speciosus Carl B. Wolf 1934-7-6 6025 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC796494  Penstemon speciosus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11729 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  RSA401884  Penstemon speciosus Edwin Kline 1920-6-20 s.n. Siskiyou Siskiyou Mtns. Comment
  UC725619  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou 5 mi n Weed (along highway #97); n of Weed Comment
  JEPS107491  Perideridia lemmonii Lowell Ahart, John Dittes 2005-6-10 12112 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC64423  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-17 4419 Siskiyou Along Klamath River Comment
  CAS-BOT-BC419258  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  UC1177549  Phacelia Lincoln Constance and Rimo Bacigalupi 1959-6-16 3673 Siskiyou w slope of mt 3.6 mi above Mt. Shasta (city) (on road to Panther Meadows); Mt. Shasta 1524 Comment
  HSC49957  Phacelia cookei G. L. Clifton, Ground 1978-6-14 1040 Siskiyou Near Andesite, close to the town of Weed 1464 Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  JEPS2782 Image available Phacelia corymbosa W. L. Jepson 1914-8-13 6161 Siskiyou Dunsmuir 670 Comment
  UC164114  Phacelia corymbosa Geo. D. Butler 1910-5-4 1280 Siskiyou dry hill near Yreka Comment
  UC901813  Phacelia corymbosa L. Constance 1950-7-16 3361 Siskiyou summit Little Grayback Peak 1859 Comment
  RSA78825  Phacelia corymbosa P. A. Munz 1952-7-2 17903 Siskiyou Baldy Mountain, six air line miles west of Happy Camp, Siskiyou Mountains. 1738 Comment
  SEINET5759868  Phacelia dalesiana W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mts., Kangaroo Lake 1981 Comment
  SD98970  Phacelia frigida Darley F. Howe 1977-7-5 Siskiyou Are north of Mt. Shasta. 1463 Comment
  RSA120921  Phacelia greenei Milo S. Baker s.n. Siskiyou Along road to summit Scott Mountain 1646 Comment
  SFV3013  Phacelia greenei L. Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3200 Siskiyou Summit of northwest spur of Scott Mountain. 1829 Comment
  JEPS35235  Phacelia hastata L. R. Heckard and R. Bacigalupi, J. Weiler 1961-7-2 1254 Siskiyou about 7 1/2 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 1127 Comment
  UC794431  Phacelia hastata subsp. compacta W. Bridge Cooke 1949-8-22 25560 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  HSC68494  Phacelia heterophylla Maralyn A. Renner 1980-6-10 868 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek. 1341 Comment
  UC726922  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  RSA183654  Phacelia humilis var. humilis Gilbert Muth 1965-8-16 227 Siskiyou Marble Valley Comment
  JEPS23866  Phacelia leonis Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-10 7296 Siskiyou about 4 mi nne of Preston Peak (just e of Del Norte County line, watershed of Indian Creek, Siskiyou Mountains, Twin Valley); Siskiyou Mountains, Twin Valley 1493 Comment
  JEPS57393  Phacelia linearis L. R. Heckard with T. I. Chuang 1968-7-2 1967 Siskiyou along U.S. Hwy 97 6 mi n Weed 1219 Comment
  SD76168  Phacelia mutabilis Helen V. Witham 1969-10-9 594 Siskiyou Mt. Shasta. Disturbed area near McBride Springs Road. 1500 Comment
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  HSC61878  Phacelia procera Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS1091  Phacelia procera Ruby Van Deventer 1938-7-31 203 Siskiyou Poker Flat w. Siskiyou Mts. 1584 Comment
  CAS-BOT-BC141449  Phacelia ramosissima var. eremophila Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC1037415  Philadelphus lewisii Douglas Barbe 1955-8-4 358 Siskiyou about 1/2 mi w Big Flat (on trail to Caribou Lake); Klamath Mountains, Salmon Mountains 1524 Comment
  UCR93361  Philadelphus lewisii Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  CAS-BOT-BC250787  Phleum alpinum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  HSC86559  Phleum alpinum D. K. Imper 1987-7-21 4500 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  JEPS72962  Phleum pratense W. L. Jepson 1940-7-3 20113 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC196936  Phleum pratense Geo. D. Butler 1908-6-25 1094 Siskiyou along creek near Yreka Comment
  HSC27689  Phlox adsurgens Carl W. Mize 1972-6-8 39 Siskiyou Along main trail 1/2 mi. before Deer Lick Creek 396 Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  RSA78295  Phlox adsurgens P. A. Munz 1952-7-1 17863 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 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
  CAS-BOT-BC383122  Phlox diffusa Andrew Townesmith; Karen M. Meyer 2007-7-30 868 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  JEPS25568  Phlox diffusa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7193 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  SJSU11450  Phlox diffusa M. R. Kempf 1965-7-13 312 Siskiyou above Horse Camp W slope Mt Shasta 2438 Comment
  HSC86537  Phlox diffusa D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, W of Red Butte 2134 Comment
  RSA237978  Phlox diffusa subsp. subcarinata Frederick W. Oettinger 1968-8-19 586 Siskiyou English Peak Gap. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SEINET7963210 Image available Phlox douglasii Marion Ownbey, Ruth P. Ownbey 1938-1 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mountains Comment
  UC880428  Phlox douglasii subsp. rigida L. E. Smith 1913-1 Siskiyou Mt. Shasta Comment
  JEPS71115  Phlox gracilis J. W. Kisling Mar 1910 Siskiyou Edgewood Comment
  POM75054  Phlox hirsuta Geo D. Butler 1910-4-10 1165 Siskiyou Yreka. Comment
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  RSA47600  Phlox speciosa subsp. occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-12 11848 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  CAS-BOT-BC135338  Phoradendron juniperinum Alice Eastwood 1922-10-18 11543 Siskiyou Shasta Springs Comment
  HSC30282  Phoradendron juniperinum William J. Ferlatte 1969-6-25 1184 Siskiyou Big Flat 1524 Comment
  LA209831  Phoradendron juniperinum subsp. juniperinum Wm. Bridge Cooke; 1939-7-21 13699 Siskiyou Mount Shasta, on the SW side of the mountain. Howard 1219 Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  RSA91819  Phragmites australis L. C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley 4 miles E Grenada 869 Comment
  SEINET3108276  Phyllodoce empetriformis Steve Selva, Roger Jensen 1974-8-23 41 Siskiyou Collected in the environs of Devil's Punchbowl. Comment
  RSA186830  Physalis virginiana var. sonorae T. C. Fuller 1966-10-6 15246 Siskiyou Siskiyou County: Clement ranch, 5 miles N of Montague Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC76935  Physaria occidentalis K. T. Stillman 1976-8-7 381 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  JEPS46721  Picea breweriana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6882 Siskiyou junction of Poker Flat forest road with Takilma-Happy Camp trans-Siskiyou Mts. road 1376 Comment
  JEPS83900  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou 6 mi e Cook and Green Pass (on nw slope of White Mountain); White Mountain Comment
  UC407005  Picea breweriana Peter Bennett 1928-7-11 Siskiyou head of No Nothing Creek Salmon Mts., No Nothing Creek Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  UC1220342  Picea engelmannii H. G. Baker 1963-7-5 Siskiyou w Russian Creek; Sawyer's Bar District, Blake's Fork Meadow 1676 Comment
  CAS-BOT-BC73392  Pinus albicaulis L. A. Siemens 1970-5-9 170 Siskiyou Mt. Shasta - Cascade Ridge 2590 Comment
  SEINET10530651  Pinus attenuata Katherine L. Morris 1973-5-25 Morris 276 Siskiyou Collected 7.0 mi E of McCloud on Hwy 89 in an area of Pinus ponderosa and Pinus attenuata. Comment
  RSA183476  Pinus balfouriana J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  UC1452397  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-7-14 Siskiyou upper slope near Fire Lookout (on ridge); Lake Mountain 2097 Comment
  CAS-BOT-BC78362  Pinus contorta W. R. Dudley 1899-8-1 s.n. Siskiyou At Glazier 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
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  RSA237337  Pinus jeffreyi Frederick W. Oettinger 1969-8-21 1539 Siskiyou 0.1 mile north of English Lake outlets. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA82766  Pinus lambertiana J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
  CHSC2355  Piperia unalascensis V. Holt 1932-7-23 Siskiyou Spring Hill near Mt. Shasta City. 1158 Comment
  RSA715802  Plagiobothrys bracteatus L. Ahart, John Dittes 2005-6-9 12035 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC2196  Plagiobothrys bracteatus L. C. Wheeler 1934-6-3 2627 Siskiyou Cherry Flat, Klamath River 518 Comment
  UCD120771  Plagiobothrys bracteatus K. L. Chambers; C. G. Carlbom 1962-4-21 2109 Siskiyou Hwy. 99, 5.6 mi. s. of the center of Yreka. Comment
  CHSC86627  Plagiobothrys cognatus Jenny Marr 1993-7-1 10 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS69750  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 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
  SD61055  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou 3.7 mi. so. Of no. entrance to Klamouth Nat. Forest on #97. 1584 Comment
  HSC82264  Plagiobothrys kingii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5981 Siskiyou Fowler's Campground 1006 Comment
  POM228957  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1935-6-27 3613 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC46183  Plagiobothrys tenellus Jennifer Whipple 1977-4-30 1873 Siskiyou Scott Valley near Weston Gulch 854 Comment
  JEPS68126  Plagiobothrys tenellus George D. Butler 1909-4-13 654 Siskiyou near Yreka Comment
  HSC68388  Plantago lanceolata Maralyn A. Renner 1980-6-26 1252 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC26933  Plantago major J. P. Smith, J. O. Sawyer 1971-9-18 4838 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UCSB24814  Platanthera dilatata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  UCD138977  Platanthera dilatata var. leucostachys J. M. Tucker; D. V. Hemphill 1974-7-26 4291 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  JEPS64398  Platanthera leucostachys Willis L. Jepson 1894-8-9 21276 a Siskiyou Shasta Springs Region of Upper Sacramento Comment
  HSC29094  Platanthera sparsiflora Frederick W. Oettinger 1969-7-29 1101 Siskiyou Marble Mountain Wilderness Area, High Lakes Basins, outlet of Uncle's Lake 1829 Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  SEINET3162859  Plectritis G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  CHSC86624  Plectritis macrocera Jenny Marr 1993-7-1 7 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC73288  Pleuricospora fimbriolata Gail Newton 1980-6-20 517 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC254783  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  RSA484232  Poa bulbosa L. C. Wheeler 1935-5-11 3479 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC247523  Poa pringlei Wm. Bridge Cooke 1939-7-26 13755 Siskiyou Mount Shasta. Below Lake Helen on the Summit Trail 3048 Comment
  SEINET10659282  Poa pringlei William B. Cooke 1941-9-10 Cooke 16293 Siskiyou Occasional among boulders on ridges above Horse Camp, Mt. Shasta. Comment
  RSA239018  Poa secunda Frederick W. Oettinger 1969-9-2 1594 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC243216  Poa secunda subsp. secunda John Thomas Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC243227  Poa secunda subsp. secunda H. A. Thomas; J. H. Thomas 1954-7-24 4512 Siskiyou Salmon-Trinity Mountains, vicinity of Rush Lake and rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CHSC98796  Poa secunda subsp. secunda J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  UC1265393  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou wnw of English Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1950 Comment
  UCD91994  Poa wheeleri Robert E. Preston 2001-6-23 1617 Siskiyou Klamath National Forest, north-facing slope of Rainbow Mountain. 1889 Comment
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Nov 7 2014
  JEPS69921  Polemonium californicum Geo. D. Butler 1908-8-8 29 Siskiyou foot of bluff Marble Valley 1676 Comment
  JEPS84252  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ridge e Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley) 1900 Comment
  SEINET5732309 Image available Polemonium californicum J. M. Tucker 1963-1 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  UCD77931  Polemonium occidentale subsp. occidentale Robert E. Preston 2001-7-20 1697 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  CAS-BOT-BC231348  Polemonium pulcherrimum Marion Ownbey; Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, East side of Mt. Shasta Comment
  HSC45188  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  RSA96064  Polygala cornuta var. cornuta Percy C. Everett, E. K. Balls 1954-10-10 20260 Siskiyou Highway 89, 6.8 miles west of McCloud on road to the town of Mt. Shasta 1174 Comment
  UC1101135  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-7-18 13613 Siskiyou Grass Lake 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
  RSA273321  Polygonum buxiforme J. P. Smith, J. O. Sawyer 1972-9-14 5807 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  JEPS50534  Polygonum davisiae Chesnut and Drew 1890-1 Siskiyou Mt. Shasta and Lassen's Peak Trip Comment
  UC1215081  Polygonum davisiae Paul C. Hutchison 1962-8-2 927 Siskiyou between Panther Meadow and top of ski lift (s slopes); Mount Shasta 2438 Comment
  JEPS84296  Polygonum davisiae L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6416 Siskiyou e slope of mt. town of Seiad Valley (ca 5 mi n, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  CAS-BOT-BC414592  Polygonum douglasii Alice Eastwood 1921-7-28 10877 Siskiyou Medicine Lake Comment
  CAS-BOT-BC414585  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  CAS-BOT-BC414603  Polygonum douglasii Doris K. Kildale 1928-7-4 5527 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna 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
  UC1408829  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side of creek bed, w Siskiyou Co.) 2042 Comment
  CAS-BOT-BC418593  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CHSC86639  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 22 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS85597  Polygonum polygaloides subsp. confertiflorum W. Robert Powell 1989-7-19 3535 Siskiyou 16 air mi n of Fall River Mills (and 6 air mi w of Day, 1.2 mi e of Spring Creek Road) 1097 Comment
  JEPS77491  Polygonum polygaloides subsp. confertiflorum Susan Horner 1978-6-30 414 a Siskiyou about 4 mi sse of Hambone (road between 40N05 and Sand Flat Well, about 22 air mi ene of McCloud); ; 40N3E30 Comment
  CAS-BOT-BC420067  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 a Siskiyou Medicine Lake Comment
  CAS-BOT-BC420073  Polygonum polygaloides subsp. kelloggii Doris K. Kildale 1928-7-4 5528 Siskiyou 1 1/2 miles east of summit between Salmon River & Etna. Comment
  CAS-BOT-BC420225  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC421066  Polygonum spergulariiforme A. A. Heller 1914-8-28 11725 Siskiyou East side of Mt. Eddy 1889 Comment
  CAS-BOT-BC421081  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou North fork trail, Mount Eddy Comment
  RSA466410  Polygonum spergulariiforme Robert Gustafson 1985-10-19 3306 Siskiyou Gazelle Callahan Road 1372 Comment
  UC673174  Polypodium glycyrrhiza Lincoln Constance and Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 mi e of Seiad; Klamath-Siskiyou Region 457 Comment
  HSC27335  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5709 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  POM120354  Polystichum imbricans Geo D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1220 Comment
  UC375479  Polystichum imbricans subsp. imbricans W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mt. Shasta 1676 Comment
  CAS-BOT-BC72390  Polystichum lemmonii G. J. Muth 1969-8-10 1339 Siskiyou Red Mt. Ridge 2438 Comment
  JEPS95341  Polystichum lemmonii Vernon H. Oswald and Lowell Ahart 1994-7-11 6404 Siskiyou W of Dunsmuir (Gumboot Lake Rd (40N37) just off Forest Rd (to Mt Shasta)) 1777 Comment
  RSA624979  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  POM114187  Polystichum lemmonii Geo D. Butler 1908-8-5 238 Siskiyou West Fork of Wooley Creek. 1677 Comment
  RSA123580  Polystichum lemmonii G. D. Barbe 1955-7-9 147 Siskiyou Among rocks beside a stream on SW shore of Kangaroo Lake, Scott Mts. 1829 Comment
  UC185240  Polystichum lemmonii Geo. D. Butler 1910-7-12 1756 Siskiyou Schackleford Creek 1371 Comment
  LA2445  Polystichum lonchitis Louis Wheeler; 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  OBI1446  Polystichum lonchitis Lawrence L. Kiefer 1963-8-11 805 Siskiyou Kangaroo Lake (NE Callahan), E side of lake 2134 Comment
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Oct 24 2014
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  HSC67731  Polystichum munitum John Palmer 1980-8-12 698 Siskiyou SE of Ward's Gap. 1189 Comment
  CAS-BOT-BC72510  Polystichum scopulinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  SBBG28170  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Crk 1981 Comment
  RSA693351  Polystichum scopulinum Anonymous 1913-8-26 s.n. Siskiyou Trail to Mt Eddy. 1372 Comment
  CAS-BOT-BC102766  Populus tremuloides L. B. Kildale 1930-6-1 9732 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  HSC28674  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 1860 Comment
  POM107368  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek. Comment
  UC845952  Populus trichocarpa W. Bridge Cooke 1942-7-2 16363 Siskiyou bed of Mud Creek Canyon above the Dam Mount Shasta; , bed of Mud Creek Canyon Comment
  UC416612  Porterella carnosula H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; about 10 mi (air) s of the Oregon boundary and about 11 mi (by road) n of Montague, northern Siskiyou Co. Comment
  CHSC32957  Potamogeton crispus J. P. Smith 1970-7-16 4380 Siskiyou Along Klamath River 2 miles west of Seiad Creek. 518 Comment
  RSA238841  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Mucky bottom of Horses Hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  CHSC106269  Potamogeton pusillus var. tenuissimus Lowell Ahart; John Dittes 2010-7-30 16963 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SEINET3893289  Potamogeton richardsonii K. Morris, Conrad; Dunn 1973-6-2 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263.; 0 Comment
  CAS-BOT-BC141968  Potentilla bruceae Gilbert J. Muth 1969-8-8 1280 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC90530  Potentilla cristae Jennifer Whipple 1977-7-20 1986 Siskiyou N slopes of Mt. Eddy 2530 Comment
  CAS-BOT-BC142033  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC44969  Potentilla drummondii J. O. Sawyer 1978-6-20 3270 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC86548  Potentilla drummondii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  JEPS84267  Potentilla fruticosa L. R. Heckard with J. Hickman et al. 1986-7-17 6542 Siskiyou se Condrey Mt. (Alex Hole); se of Condrey Mt., Alex Hole 1960 Comment
  CAS-BOT-BC540565  Potentilla gracilis var. fastigiata L. E. Smith 1914-6-24 721 Siskiyou Sisson Comment
  UC1037371  Potentilla gracilis var. fastigiata Douglas Barbe 1955-7-7 140 Siskiyou s Forest Camp; Klamath Mountains, Etna 883 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
  UCD20355  Potentilla millefolia Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  UCR52365  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  CAS-BOT-BC516381  Prosartes hookeri Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  UCLA49270  Prunella vulgaris W. Bridge Cooke 1939-7-7 13600 Siskiyou along the road between Bear Springs and Wagon Camp Mount Shasta; , between Bear Springs and Wagon Camp Comment
  JEPS62506  Prunella vulgaris var. lanceolata W. L. Jepson Aug. 1894 14898 Siskiyou near Sisson; near Sisson Comment
  UCD77960  Prunella vulgaris var. lanceolata Robert E. Preston 2001-7-20 1685 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1712 Comment
  HSC23589  Prunus emarginata J. O. Sawyer 1969-9-12 2006 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC61838  Prunus emarginata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC90549  Prunus emarginata Jennifer Whipple 1977-8-6 2202 Siskiyou W side of Dobkins Lake 2073 Comment
  POM88101  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain 1220 Comment
  UC618730  Prunus subcordata W. Bridge Cooke 1938-8-5 11437 Siskiyou ount Shasta, MacBride Spring Road Mount Shasta; , MacBride Spring Road 1371 Comment
  CAS-BOT-BC151228  Prunus virginiana var. demissa A. A. Heller 1905-6-9 8004 Siskiyou Yreka, at the base of the hills east of the town, along an irrigating ditch. Comment
  CAS-BOT-BC151245  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp Comment
  HSC19190  Prunus virginiana var. demissa J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  RSA237591  Prunus virginiana var. demissa Frederick W. Oettinger 1969-8-29 1564 Siskiyou Along English Lake trail above Willow Spring. Marble Mtn Wilderness Area. Salmon Mtns. High Lake Basins in the vicinity of English Peak. 1677 Comment
  UC1281136  Prunus virginiana var. demissa H. E. McMinn 1931-6-27 2524 Siskiyou near Gottville River (Klamath); Klamath Comment
  HSC67479  Pseudognaphalium stramineum J. P. Smith, Steve Selva 1970-6-15 3903 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC239812  Pseudoroegneria spicata Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  CAS-BOT-BC80177  Pseudotsuga menziesii Doris K. Kildale 1927-11-20 4178 Siskiyou Fort Jones Comment
  HSC46225  Psilocarphus tenellus Jennifer Whipple 1978-6-5 2336 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC17382  Ptelea crenulata Miss Edmonds 1890-7-21 Siskiyou Comment
  CAS-BOT-BC72685  Pteridium aquilinum H. A. Thomas; J. H. Thomas 1954-7-21 4390 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, West side of Rush Creek 1036 Comment
  CAS-BOT-BC460556  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4400 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UC1409506  Pterospora andromedea F. W. Oettinger 1969-8-21 1482 Siskiyou trail from Abbott's Lake to Cold Springs (w Siskiyou Co.) 1524 Comment
  RSA176490  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 s.n. Siskiyou Located on Spring Hill near Sisson. Comment
  UCD91861  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  JEPS107662  Puccinellia lemmonii Lowell Ahart, John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC147905  Purshia tridentata var. tridentata C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  JEPS44606  Purshia tridentata var. tridentata W. L. Jepson 1940-6-28 20057 Siskiyou McCloud 975 Comment
  UC775003  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 Siskiyou 12 mi ne Weed (on U.S. Hwy 97, at junction with road to Montague, sw end of Little Shasta Valley); Little Shasta Valley 914 Comment
  CAS-BOT-BC460865  Pyrola aphylla Ira L. Wiggins 1955-7-23 13463 A Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  CAS-BOT-BC460870  Pyrola aphylla Alice Eastwood 1921-7-26 10860 Siskiyou Soda Creek Comment
  CAS-BOT-BC460874  Pyrola aphylla Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC462797  Pyrola dentata L. E. Smith 1913-6-29 438 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC462800  Pyrola dentata Doris K. Kildale 1929-8-24 9059 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC462804  Pyrola dentata L. E. Smith no date on label s.n. Siskiyou North side of Mt. Shasta: Weed Comment
  UCD77971  Pyrola picta Robert E. Preston 2001-7-20 1676 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  CAS-BOT-BC466129  Pyrola picta Alice Eastwood 1921-7-24 10800 Siskiyou Castle Lake Comment
  CAS-BOT-BC466141  Pyrola picta John Thomas Howell 1939-8-5 15073 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC27641  Pyrola picta Carl W. Mize 1972-6-22 83 Siskiyou 976 Comment
  UC705687  Pyrola picta Marion Ownbey, Fred G. Meyer 1940-7-8 2225 Siskiyou 17 mi n of Happy Camp (near Summit of Siskiyou Mountains); Siskiyou Mountains Comment
  JEPS105036  Pyrrocoma racemosa var. pinetorum Dean W. Taylor 1996-7-7 15821 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  RSA44901  Pyrrocoma racemosa var. pinetorum J. C. Roos 1948-9-1 3954 Siskiyou Near Fort Jones. 854 Comment
  CAS-BOT-BC362388  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou Shasta Valley five miles south of Gazelle 914 Comment
  CAS-BOT-BC362390  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC68643  Quercus chrysolepis J. H. Thomas 1954-5-14 4188 c Siskiyou Salmon Montains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  HSC36690  Quercus chrysolepis Brent Whitely 1975-6-21 15 Siskiyou 223 Comment
  JEPS37854  Quercus chrysolepis Geo. D. Butler 1908-12-1 548 Siskiyou Kidder Creek Comment
  CAS-BOT-BC94649  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  CAS-BOT-BC94664  Quercus garryana C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  JEPS37853  Quercus garryana Geo. D. Butler 1908-7-4 492 Siskiyou near mouth of Shasta River Comment
  CDA21914  Quercus garryana E. Hale 1983-10-24 Siskiyou Guy s Gulch near Yreka. Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62763  Quercus garryana var. breweri Doris K. Kildale 1928-8-19 6531 Siskiyou on trail from English Lake to top of Divide to Hancock Lake Comment
  JEPS37953  Quercus garryana var. breweri Geo. D. Butler 1908-8-16 233 Siskiyou e of Yreka Comment
  RSA23946  Quercus garryana var. breweri O. V. Matthews 1939-7-3 20 Siskiyou Maybe 1500 yards southwest of Sullivan Mine. Cook-Green Region W side of creek, maybe 3 miles by trail south of Blue Ledge Mine. 1067 Comment
  RSA639548  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6940 Siskiyou [No location information on label.] Comment
  CAS-BOT-BC104340  Quercus sadleriana Baki Kasapligil 1981-6-26 6188 Siskiyou Between road junction going to Bolan Lake (glacier lake) Comment
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Jun 23 2018
  CAS-BOT-BC104344  Quercus sadleriana Marion Ownbey; Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles N of Happy Camp Comment
  CAS-BOT-BC104357  Quercus sadleriana D. E. Breedlove 1962-6-10 3289 Siskiyou on SW slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles NW of Happy Camp 1554 Comment
  CAS-BOT-BC104371  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Dryish meadow, on Blacj Mountain trail, marble Mts. 1798 Comment
  RSA23948  Quercus sadleriana O. V. Matthews 1939-7-3 22 Siskiyou Upper Limits of Sullivan Mine Grove, Cook-Green region. 1067 Comment
  UCD47231  Quercus sadleriana T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1371 Comment
  UCD47260  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  RSA697640  Quercus sadleriana Leo Miller 1938-07 s.n. Siskiyou On top of mountains between Illinois and Roove Rivers 12 miles east of Agness Ore. 762 Comment
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Apr 26 2014
  CAS-BOT-BC104640  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC104644  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  HSC68342  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1426 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC69277  Quercus vacciniifolia Maralyn A. Renner 1980-9-1 2678 Siskiyou Bear Mtn. 1936 Comment
  UCR45373  Quercus vacciniifolia Barry Silver 1986-5-24 636 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  HSC36880  Ranunculus alismifolius var. hartwegii J. P. Smith 1974-5-26 7533 Siskiyou Chandler Glade on FS 47N03 1768 Comment
  RSA99973  Ranunculus alismifolius var. hartwegii Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow, Goosenest Mt. 1677 Comment
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Jan 23 2011
  SBBG27176  Ranunculus aquatilis var. aquatilis L. C. Wheeler 1935-6-13 3569 Siskiyou Greenview, Scott Valley 883 Comment
  CHSC86638  Ranunculus californicus Jenny Marr 1993-7-1 21 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM99905  Ranunculus flammula var. ovalis Geo. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek. 1220 Comment
  HSC33982  Ranunculus orthorhynchus var. orthorhynchus J. P. Smith 1974-5-25 7471 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CDA3484  Ranunculus repens C. S. Giebner 1959-5-29 Siskiyou Copeland Ranch, Weed. 0 Comment
  UC1025102  Ranunculus uncinatus Leo Whitney 1934-6-24 1851 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC56110  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA7809  Rhamnus purshiana Doris K. Kildale 1928-8-18 6435 Siskiyou N Fork Salmon River at Finley Camp. Comment
  UC1409293  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou midway down the steep spillway from Diamond Lake to Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, English Peak 1920 Comment
  RSA237250  Rhodiola integrifolia subsp. integrifolia Frederick W. Oettinger 1967-7-8 162 Siskiyou Above Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2107 Comment
  HSC22279  Rhododendron columbianum J. O. Sawyer 1969-7-11 1334 Siskiyou S Sugar Creek 1829 Comment
  CAS-BOT-BC58186  Rhododendron columbianum Volney Rattan 1879-1-1 10345 Siskiyou Illinois River. Comment
  RSA471030  Rhododendron occidentale var. paludosum Maude Minthorn 1922-06 s.n. Siskiyou Near California - Oregon Line Comment
  CAS-BOT-BC438016  Ribes A. M. Vollmer; L. Beane 1951-6-2 66 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klammath River Highway Comment
  CAS-BOT-BC92545  Ribes binominatum Saxton; Canfield 1922-8-26 87 Siskiyou Klamath Forest. Greider [Grider] Creek. 1524 Comment
  RSA237679  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  UCD102136  Ribes cereum Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy 97, southwest of Hebron Summit. 1524 Comment
  SEINET13942355 Image available Ribes cereum W. M. Bridge Cooke 1941-1 16379 Siskiyou A large colony of shrubs occurs around the source of MacBride Springs, Mt. Shasta. Elevation 5000 Comment
  JEPS95064  Ribes cereum var. cereum Vernon Oswald and Lowell Ahart 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat (3.9 mi s of Medicine Lake Road); Forest Route 15 1700 Comment
  SEINET4853858  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka. Comment
  CAS-BOT-BC168865  Ribes inerme var. klamathense Doris K. Kildale 1929-4-27 7842 Siskiyou Cecilville, Upper South Fork of Smith River Comment
  CAS-BOT-BC168874  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Ditch bank Yreka Comment
  HSC19426  Ribes lacustre J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC33959  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 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
  LA205433  Ribes lacustre Louis C. Wheeler; 1934-6-14 2713 Siskiyou Siskiyou Mountains, Arrastre Creek, off Hungry Creek 1280 Comment
  HSC29418  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou Marble Mtn. Wilderness Area, saddle along ridge between Charmaine Lake and Abbott's Lake 1890 Comment
  UC570823  Ribes lobbii Dorothy Tebbe 1929-6-12 15 Siskiyou White's Gulch Salmon Mountains Comment
  RSA237678  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC212481  Ribes marshallii Lillian Henningsen 1972-6-8 s.n. Siskiyou Happy Camp Road to Takilma Comment
  CAS-BOT-BC219271  Ribes nevadense Ira L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1005 Comment
  HSC32249  Ribes nevadense J. O. Sawyer 1970-6-17 2208 Siskiyou On trail to South Sugar Lake 1829 Comment
  JEPS86133  Ribes roezlii Wayne Roderick 1956-2 Siskiyou Castle Lake 1676 Comment
  UC375353  Ribes roezlii Geo. D. Butler 1908-7-19 269 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC198873  Ribes roezlii var. amictum L. E. Smith 1913-6-18 377 Siskiyou Castle Creek Comment
  CAS-BOT-BC200001  Ribes roezlii var. cruentum Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC186292  Ribes roezlii var. roezlii Wm. Bridge Cooke 1938-8-19 11516 Siskiyou Lower Bear Spring Comment
  RSA0019537  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC144515  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-20 8693 Siskiyou trail fm Elk Lick to Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC173909  Ribes velutinum Alice Eastwood; John Thomas Howell 1934-4-20 1758 Siskiyou Near Yreka along Shasta River Comment
  RSA0019712  Ribes velutinum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39015 Siskiyou Lava Beds National Monument, near Fleener Chimneys. 1524 Comment
  UC165744  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath Rim 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-BC168806  Ribes viscosissimum John Thomas Howell 1937-7-26 13549 Siskiyou Caribou Gulch Comment
  HSC29416  Ribes viscosissimum Frederick W. Oettinger 1969-7-9 934 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  HSC33927  Ribes viscosissimum J. O. Sawyer 1968-7-23 594 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC1182087  Ribes viscosissimum C. R. Quick 1936-8-18 Siskiyou near summit Siskiyou Mountains (Poker Flat) Comment
  UC1408855  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou e side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CHSC118456  Rigiopappus leptocladus Richard R. Halse 2016-5-29 9719 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  CHSC75693  Rorippa curvisiliqua Vernon H. Oswald; Lowell Ahart 1999-7-5 9805 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn. 1188 Comment
  HSC43151  Rorippa curvisiliqua Ken Stillman 1976-8-24 427 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UCR51813  Rorippa curvisiliqua L. C. Wheeler 1934-7-3 02872 Siskiyou Siskiyou Mtns, Soda Creek, Sterling Mtn. 1768 Comment
  HSC77283  Rorippa curvisiliqua L. P. Janeway 1983-8-27 620 Siskiyou Along Twin Valley/Poker Flat trail 1677 Comment
  UC637097  Rosa Annetta Carter 1934-8-13 705 Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian (at edge of dry creek) 1371 Comment
  HSC64784  Rosa californica J. P. Smith, Steve Selva 1970-6-15 3939 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC146736  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC146766  Rosa gymnocarpa Doris K. Kildale 1928-7-4 5469 Siskiyou 3 miles west of Summit of Divide between Sawyers Bar & Etna Mills 1828 Comment
  UC2046562  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  CDA38670  Rosa multiflora Larry Livesay 2013-4-23 PDR# 470 P06027592 Siskiyou East of Montague; on the west side of Lichens Rd., 0.25 miles north of Ball Mountain Road. Comment
  HSC44578  Rosa pisocarpa Laura Witherspoon 1977-7-30 Siskiyou W edge of Flint Valley 1341 Comment
  JEPS84263  Rosa pisocarpa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6360 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley w of Cook and Green pass) 1900 Comment
  JEPS100526  Rosa pisocarpa subsp. pisocarpa Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15852 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  JEPS83869  Rosa pisocarpa subsp. pisocarpa Wayne Roderick 1976-7-1 Siskiyou vicinity of Cook and Green Pass Siskiyou Mts. 1463 Comment
  RSA96941  Rosa pisocarpa subsp. pisocarpa Percy C. Everett, E. K. Balls 1954-10-10 20265 Siskiyou n. end of Castle Lake SW from town of Mt. Shasta. 1585 Comment
  CAS-BOT-BC149745  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  UCD98621  Rubus fruticosus Lindsay Clark 2009-9-3 DMU 1 Siskiyou Dunsmuir, CA at Manfredi's Food and Gas Depot off of Interstate 5. 694 Comment
  UCR66438  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Siskiyou Mountains: semi-shady E slope. Bear Creek off W Fork Beaver Creek 1768 Comment
  HSC96406  Rubus lasiococcus Gordon Leppig, J. Kalt 1996-7-9 363 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC637072  Rubus lasiococcus Edward Lee 1934-8-13 1079 Siskiyou Happy Camp to Waldo (Oregon) (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  CAS-BOT-BC147319  Rubus parviflorus G. P. Rixford s.n. Siskiyou Hilt Comment
  CHSC1599  Rubus parviflorus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  HSC69026  Rubus parviflorus Maralyn A. Renner 1980-7-28 2189 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  CHSC63500  Rudbeckia californica var. glauca Vernon H. Oswald; Lowell Ahart 1994-8-1 6418 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  UC179524  Rudbeckia klamathensis A. A. Heller 1914-8-28 11731 Siskiyou Mt. Eddy 1524 Comment
  HSC67721  Rudbeckia occidentalis John Palmer 1980-8-15 971 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  HSC19447  Rumex acetosella J. O. Sawyer 1969-7-1 981 Siskiyou Above Paynes Lake Creek 1951 Comment
  SEINET4903549  Rumex acetosella Jack Seely 1991-6-3 s.n. Siskiyou Klamath National Forest, Gordon's Ferry. Comment
  CAS-BOT-BC433694  Rumex obtusifolius H. A. Thomas; J. H. Thomas 1954-7-26 4547 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  CAS-BOT-BC454115  Ruppia cirrhosa Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39035 Siskiyou Along Hwy 161 at N edge of White Lake, 13.5 mi E of junction of Hwys 97 and 161 1280 Comment
  HSC92643  Sagina saginoides Jennifer Whipple 1977-8-6 2204 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake. 2073 Comment
  HSC65319  Sagittaria cuneata J. P. Smith, Steve Selva 1970-8-8 4547 Siskiyou Juanita Lake Comment
  CAS-BOT-BC102815  Salix boothii John Thomas Howell 1939-8-7 15132 A Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC1409266  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou near Horse's Hole Horse Range Lake basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  UC846308  Salix eastwoodiae John Thomas Howell 1939-8-5 15078 Siskiyou Spirit Lake; Marble Mts. Comment
  UCD110840  Salix eastwoodiae John M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  POM106927  Salix exigua Geo. D. Butler 1908-6-25 150 Siskiyou Near Yreka. Comment
  CAS-BOT-BC107781  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC125479  Salix lasiandra var. lasiandra L. E. Smith 1914-4-26 646 Siskiyou Near Dunsmuir Comment
  SJSU263  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy, c. 13 km NW of Shasta City 1109 Comment
  CAS-BOT-BC124540  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC124544  Salix lasiolepis var. lasiolepis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  CAS-BOT-BC128303  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7851 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  SBBG29052  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  SEINET10682432  Salix lemmonii Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 188 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  CAS-BOT-BC125685  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-23 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  UC437366  Salix melanopsis Annie M. Alexander and L. Kellogg 1911-6-13 142 Siskiyou 6 mi. n.w. Callahan Comment
  POM362922  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  UC1539980  Salvia dorrii var. dorrii M. Mitchell 1936-5-21 45 Siskiyou Frozen River Cave; Lava Beds National Monument Comment
  UCD102291  Salvia dorrii var. pilosa Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Between Tenant and Lava Beds Mational Monument. Tenant Lava Beds Road. 1660 Comment
  CAS-BOT-BC225204  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou Back of Sisson on the Mt. Shasta Trail Comment
  CDA5770  Salvia virgata C. S. Giebner 1968-7-29 Siskiyou E.H. Marlow property, Greenhorn Valley, ca. 2 miles west of Yreka Comment
  UC1408790  Sambucus racemosa var. microbotrys Frederick W. Oettinger 1969-7-18 1059 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co., high lake basins in vicinity of English Peak) 1767 Comment
  SEINET11918953  Sanguisorba annua H. M. Hall, Babcock, E. B. 1903-1 4046 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1036 Comment
  SEINET13945133 Image available Sanicula bipinnatifida Lincoln Constance, R. H. Shan 1946-1 3060 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  HSC76751  Sanicula graveolens K. T. Stillman 1976-7-15 252 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC12270  Saponaria officinalis Richard Spjut 1970-7-17 467 Siskiyou Just off Hwy. 89 at the W end of McCloud 1220 Comment
  CHSC72236  Sarcobatus vermiculatus Vernon H. Oswald; Lowell Ahart 1998-8-16 9632 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
  CHSC81485  Sarcobatus vermiculatus Ann Willyard 2000-6-21 417 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
  CDA8574  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  JEPS82700  Saxifraga aprica Wayne Roderick 1984-6-5 Siskiyou 12 air km sw of Mount Shasta City (aabove Castle Lake) 1981 Comment
  RSA184699  Saxifraga caespitosa Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  UC1053439  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River, e side of canyon); cliffs along Sacramento River Comment
  UC166551  Saxifraga californica Geo. D. Butler 1909-4-4 583 Siskiyou near Yreka Comment
  JEPS25636  Saxifraga ferruginea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7275 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC482444  Saxifraga mertensiana Dana York 2011-8-13 3052 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-slope of Black Marble Mountain 1950 Comment
  SEINET3411466 Image available Saxifraga mertensiana E. A. Meola 1939-4-22 68 Siskiyou Siskiyou lowlands; near Gasquet Comment
  POM354577  Saxifraga odontoloma M. B. Dunkle 1945-8-2 9271 Siskiyou Klamath Natl Forest. Marble Mt. Comment
  HSC29407  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  JEPS117472  Scirpus americanus Lowell Ahart, John Dittes 2010-7-30 16968 Siskiyou About 10 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  HSC69227  Scirpus congdonii Maralyn A. Renner 1980-8-31 2617 Siskiyou Twin Valley. 1494 Comment
  HSC30713  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-7 1271 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1753 Comment
  HSC86426  Scirpus microcarpus D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, Marble Mtn. Wilderness Area, near Jawbone Camp 1372 Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  HSC102660  Secale cereale J. P. Smith 2009-6-1 12618 Siskiyou Old U.S. 99 South, south of Gazelle. Comment
  CAS-BOT-BC64656  Sedum kiersteadiae Wm. Bridge Cooke 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. 1676 Comment
  JEPS57176  Sedum lanceolatum L. R. Heckard 1967-8-13 1698 Siskiyou summit region Mt. Eddy; summit region Mt. Eddy 2743 Comment
  CAS-BOT-BC59184  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Jaynes Canyon 1920 Comment
  HSC63300  Sedum lanceolatum var. lanceolatum M. A. Baker 1979-7-30 1072 Siskiyou E facing rock slope. 2200 Comment
  CAS-BOT-BC64641  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  HSC603  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-26 750 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  HSC645  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-6 612 Siskiyou Dorleska summit. 2134 Comment
  HSC90581  Sedum obtusatum subsp. retusum Jennifer Whipple 1976-7-9 1393 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  HSC19537  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1501 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  RSA0083646  Sedum oregonense L. C. Wheeler 1935-6-27 3604 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  CAS-BOT-BC59094  Sedum spathulifolium L. B. Kildale 1930-6-1 9733 Siskiyou Salmon River between Oak Bottom and Soames Bar. Comment
  HSC64818  Sedum spathulifolium var. spathulifolium J. P. Smith 1976-5-5 8688 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CAS-BOT-BC363426  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  JEPS82268  Senecio fremontii var. fremontii Roger Raiche 1983-8-13 30600 Siskiyou near summit of Mt. Eddy; Mt. Eddy 2743 Comment
  CAS-BOT-BC363644  Senecio fremontii var. occidentalis G. J. Muth 1969-8-10 1333 Siskiyou Red Mt. Ridge Comment
  CDA8621  Senecio hydrophilus David Van Baren 2007-8-27 PDR# 1278072 Siskiyou Butte Valley Wildlife Area; Pond 8A-Z. Comment
  CHSC71474  Senecio hydrophilus Vernon H. Oswald; Lowell Ahart 1998-7-21 9348 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow. 1417 Comment
  CAS-BOT-BC363943  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11808 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  JEPS37654  Senecio integerrimus var. exaltatus Geo. D. Butler 1908-4-28 701 Siskiyou near Fort Jones; McAdams Creek Comment
  CDA7627  Senecio jacobaea Don Shaw 1980-10-2 Siskiyou Indian Creek Road, 11 miles north of Happy Camp. 0 Comment
  CAS-BOT-BC364452  Senecio triangularis Harley P. Chandler 1901-6-1 1576 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  RSA237444  Senecio triangularis Frederick W. Oettinger 1968-8-1 342 Siskiyou Wet meadow south of Hancock Lake. The Salmon Mountains. The High Lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2043 Comment
  UC196947  Setaria viridis Geo. D. Butler 1910-8-13 1834 Siskiyou Quartz Valley Comment
  HSC75  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC213142  Sidalcea Margaret M. Hanna 1956-6-2 s.n. Siskiyou 6 mi. E of Redding, Hiway 299 Comment
  HSC75347  Sidalcea malviflora subsp. nana J. O. Sawyer, M. Mesler 1980-8-10 4029 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  RSA448577  Sidalcea oregana subsp. oregana M. B. Dunkle 1945-8-7 9336 Siskiyou Paradise Lake Comment
  UC221438  Sidalcea oregana subsp. spicata Dr. Edward Palmer Jul 13 1892-Jul 20 1892 2532 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  UC933364  Sidalcea oregana subsp. spicata Annie M. Alexander and Louise Kellogg 1948-9-9 5609 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake (lake shore and in meadows along trail) 1828 Comment
  UC465676  Silene californica H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  CHSC75697  Silene campanulata subsp. glandulosa Vernon H. Oswald; Lowell Ahart 1999-7-5 9822 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UC166129  Silene campanulata subsp. glandulosa Geo. D. Butler 1908-8-3 59 Siskiyou canyon near Log Lake (Shackleford Creek); , near Log Lake Comment
  HSC29623  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou Marble Mtn. Wilderness Area, N of Red Hill near outlet of Hancock Lake 1997 Comment
  SBBG30596  Silene douglasii var. douglasii D. Myrick 1968-6-29 2059 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  UC852865  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  CAS-BOT-BC388967  Silene grayi M. A. Showers 1981-8-8 2107 mas Siskiyou Basin between Shastina and Mt. Shasta at head of Cascade Gulch 2804 Comment
  HSC606  Silene grayi William J. Ferlatte 1967-7-26 753 Siskiyou Caribou Basin, N slope on Sawtooth Ridge 2287 Comment
  RSA145075  Silene grayi P. A. Munz 1960-8-22 24188 Siskiyou Panther Meadows, Mount Shasta. 2530 Comment
  CAS-BOT-BC389436  Silene lemmonii J. H. Thomas 1954-5-14 4178 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  CAS-BOT-BC389527  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou Near Yreka Comment
  JEPS50875  Silene menziesii Geo. D. Butler 1908-6-28 103 Siskiyou near Yreka (along creek at Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC1333307  Silene vulgaris Dorothy Parker 1949-6-30 Siskiyou along the banks of Crystal Creek banks of Crystal Creek, Scott Valley (Scott Valley) 871 Comment
  HSC40424  Silene vulgaris J. O. Sawyer 1973-7-16 2542 Siskiyou Trail along Canyon Creek above Jct. with Wooley Creek 488 Comment
  RSA715777  Sisyrinchium bellum Lowell A. Ahart, John Dittes 2005-6-10 12102 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  UCR19715  Solanum physalifolium var. nitidibaccatum John C. Roos 1948-9-1 3988 Siskiyou Ft. Jones 838 Comment
  RSA211244  Solanum umbelliferum W. J. Ferlatte 1967-7-9 680 Siskiyou Kidd Creek Trail 1768 Comment
  JEPS32420  Solidago elongata Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson region of the Upper Sacramento, Sisson Comment
  CHSC114087  Solidago multiradiata Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. 1947 Comment
  RSA749254  Solidago multiradiata K. M. Meyer, A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  UC727197  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy 2682 Comment
  OBI55475  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC365240  Solidago velutina subsp. californica Wm. Bridge Cooke 1937-8-6 9190 Siskiyou Mount Shasta. Above Bear Springs Comment
  HSC27239  Solidago velutina subsp. californica J. P. Smith, J. O. Sawyer 1971-9-18 4812 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC18905  Sorbus californica J. O. Sawyer 1968-7-23 590 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS95096  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  CAS-BOT-BC158929  Sorbus scopulina Gilbert Muth 1966-7-8 363 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC466712  Sorbus scopulina Annie M. Alexander and Louise Kellogg 1911-8-23 341 Siskiyou Castle Lake 1656 Comment
  RSA237821  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1968-8-13 501 Siskiyou S inlet to Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC29506  Sorbus sitchensis var. sitchensis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1276 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1799 Comment
  SD98959  Spiraea densiflora D. F. Howe 1977-7-1 Siskiyou Mountain Creek on Scott River Road 1463 Comment
  UC1608324  Spiraea densiflora J. Kierstead 1990-8-9 90 -129 Siskiyou s side Mt. Eddy (Fawn Creek meadow, below end of Forest Service Rd 40N42); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  HSC73  Spiraea douglasii William J. Ferlatte 1966-8-2 229 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  POM148450  Spiraea douglasii J. B. Feudge 1927-7-22 1683 Siskiyou Mt. Shasta City. 1067 Comment
  SEINET3157634  Spiraea douglasii G. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  UC136434  Spiraea douglasii Dr. E. B. Copeland 1903-8-12 3836 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC152553  Spiraea splendens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  HSC58946  Spiraea splendens var. splendens Marvin Butler 1971-7-27 214 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC78331  Spiranthes romanzoffiana L. P. Janeway 1983-9-11 667 Siskiyou Poker Flat, seep at NW side 1524 Comment
  JEPS95522  Spiranthes romanzoffiana Vernon H. Oswald 1994-8-10 6461 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  HSC85692  Spiranthes romanzoffiana J. P. Smith 1980-8-24 10341 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 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
  RSA238545  Stachys rigida subsp. rivularis Frederick W. Oettinger 1967-8-13 257 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains; the High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC175330  Stellaria borealis subsp. sitchana Volney Rattan 1879-1-1 s.n. Siskiyou Klamath River Comment
  HSC18969  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-7-11 857 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC181420  Stellaria calycantha Wm. Bridge Cooke 1940-8-22 15457 Siskiyou Common near springs in Mud Creek Canyon, especially near Clear Creek - Mount Shasta 1981 Comment
  POM101775  Stellaria nitens Geo. D. Butler 1910-4-9 1158 Siskiyou Around Yreka. Comment
  CAS-BOT-BC375639  Stephanomeria lactucina Wm. Bridge Cooke 1938-7-29 11389 Siskiyou Mount Shasta. Howard Comment
  UCD78020  Stephanomeria lactucina Robert E. Preston 2001-8-26 1768 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2072 Comment
  RSA237481  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou On English Lake trail, below Willow Spring. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  JEPS24625  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  CAS-BOT-BC322913  Stephanomeria tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  HSC61  Stipa occidentalis var. occidentalis William J. Ferlatte 1966-6-23 136 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  CHSC4560  Streptanthus tortuosus J. E. Bowlin 1967-7-18 67 Siskiyou On roadside, ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 Comment
  RSA237371  Streptanthus tortuosus Frederick W. Oettinger 1967-8-26 333 Siskiyou 1/8 mile from Diamond Lake on trail to English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CHSC96096  Streptanthus tortuosus var. orbiculatus L. P. Janeway 2006-7-3 8766 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  CAS-BOT-BC516432  Streptopus amplexifolius Doris K. Kildale 1929-8-24 9080 Siskiyou Rattlesnake Meadow, near Preston Peak, Whiskey Lake 1524 Comment
  CHSC95110  Streptopus amplexifolius var. americanus L. P. Janeway 2006-7-4 8781 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  UC796666  Streptopus amplexifolius var. americanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11749 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  RSA210857  Suaeda calceoliformis R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-3 39041 a Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  HSC18989  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1968 Siskiyou Along Sugar Creek. 1707 Comment
  RSA215620  Symphoricarpos vaccinioides Gilbert Muth 1969-8-7 1259 Siskiyou East side of Boulder Peak Ridge. 2470 Comment
  SBBG7655  Symphyotrichum ascendens H. and M. Dearing 1948-9-12 7631 Siskiyou Panther Crk, Mt Shasta 2316 Comment
  CAS-BOT-BC97885  Symphyotrichum eatonii Alice Eastwood 1921-7-31 11026 Siskiyou Shasta Springs Comment
  JEPS24798  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6807 Siskiyou near outlet of Castle Lake at its ne end Castle Lake, Sacramento River (headwaters of Sacramento River) 1661 Comment
  JEPS81907  Symphyotrichum spathulatum Roger Raiche 1982-10-14 20825 Siskiyou Stewart Springs Road 914 Comment
  CAS-BOT-BC98853  Symphyotrichum spathulatum var. intermedium Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CDA17129  Taeniatherum caput-medusae G. F. Hrusa 2001-6-5 15843 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  UCD86125  Taeniatherum caput-medusae Beecher Crampton 1969-6-18 8462 Siskiyou Oro Fino. (ca. 4 miles w.s.w. of Fort Jones in direct line.) Comment
  CAS-BOT-BC376854  Taraxacum Wm. Bridge Cooke 1939-6-23 13532 Siskiyou Mount Shasta. At Wagon Camp Comment
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  HSC33992  Taraxacum officinale J. P. Smith 1974-5-25 7476 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC81347  Taxus brevifolia A. Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  HSC68398  Taxus brevifolia Maralyn A. Renner 1980-7-4 1451 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  HSC98257  Taxus brevifolia G. L. Clifton, Griswold 1979-6-28 6128 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  POM210933  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Siskiyou Mountains, west end of White Mountain 1768 Comment
  UC1190267  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou diversion dam China Creek 1158 Comment
  UC902021  Taxus brevifolia Joseph P. Tracy 1949-9-14 18553 Siskiyou 6 mi ne Cecilville; Shadow Creek 914 Comment
  HSC6272  Tetradymia canescens D. M. Thomson 1965-7-17 150 Siskiyou Lava Beds National Monument, N boundary Comment
  UC1539985  Tetradymia canescens M. Mitchell 1936-5-2 41 Siskiyou 0.25 mi sw Fleener Chimneys; Lava Beds National Monument 1402 Comment
  UC165954  Thalictrum fendleri Geo. D. Butler 1908-8-9 359 Siskiyou near Shackelford divide; Wooly Creek Comment
  HSC49929  Thelypodium brachycarpum Gilbert Muth 1978-8-2 7326 Siskiyou Near Cabin Meadow Creek, close to the town of Callahan 1853 Comment
  HSC78057  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  JEPS68262  Thelypodium brachycarpum L. R. Heckard 1972-5-31 2935 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  UC1034643  Thelypodium brachycarpum Milo S. Baker 1955-6-26 13074 Siskiyou 4 mi s Gazelle (Highway 99) 914 Comment
  SD46554  Thelypodium flexuosum E. K. Balls, L. W. Lenz 1956-6-18 21721 Siskiyou 5.7 miles southeast of Gazelle, U. S. Highway 99, Yreka to Dunsmuir. 885 Comment
  CAS-BOT-BC88113  Thelypodium laciniatum L. E. Smith 1913-4-25 642 Siskiyou Yreka. Comment
  HSC73350  Thermopsis macrophylla Gail Newton 1980-6-20 441 Siskiyou Near Bald Mtn. 1097 Comment
  CDA3886  Thlaspi arvense Don Shaw 1978-3-13 Siskiyou Clement Brothers property, Montague. 0 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
  JEPS54040  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-3 127 Siskiyou Log Lake , Log Lake (Shackleford Creek) 1524 Comment
  UC10993  Thysanocarpus curvipes T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA0049970  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou In a field along U.S. Highway #99, 2 miles south of Yreka. Comment
  HSC31129  Tiarella trifoliata var. unifoliata J. O. Sawyer 1971-8-19 2453 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  RSA237921  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-3 232 Siskiyou West end of Little Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2043 Comment
  UC844400  Tofieldia occidentalis subsp. occidentalis Alice Eastwood 1912-9-1 551 Siskiyou Mount Eddy Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC70529  Tonella tenella J. P. Smith 1973-5-5 6509 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC169254  Toxicodendron diversilobum Alice Eastwood 1917-9-2 6694 Siskiyou Shasta Sprnigs Comment
  HSC71099  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4505 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  CAS-BOT-BC519563  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1928-8-19 6509 Siskiyou Siskiyou: English Lake, Salmon River Comment
  HSC14451  Trichostema lanceolatum C. B. Wolf 1927-8-26 1041 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  UCD107926  Trifolium eriocephalum subsp. eriocephalum A. H. Murphy 1958-8-4 58 -E Siskiyou Klamath National Forest. Little Elk Lake Marble Mts. 1676 Comment
  UC1190264  Trifolium eriocephalum var. eriocephalum Ira L. Wiggins 1955-7-23 13480 Siskiyou w China Creek (ridge) 1005 Comment
  HSC18999  Trifolium longipes J. O. Sawyer 1969-7-11 1343 Siskiyou Along trail to Sugar Lake 1707 Comment
  HSC86527  Trifolium longipes D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CHSC977  Trifolium longipes subsp. hansenii E. England 1939-6-30 Siskiyou Mt. Eddy. 1828 Comment
  UC866843  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy 1676 Comment
  UC70432  Trifolium longipes var. elmeri Milo S. Baker Aug 1897 Siskiyou Payne's Spring Comment
  UC454732  Trifolium longipes var. hansenii I. J. Condit 1911-7-27 Siskiyou near Sisson (Castle Lake) 1828 Comment
  CAS-BOT-BC230884  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mt. 1676 Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  UC726465  Trifolium wormskioldii A. A. Heller 1919-6-30 13285 Siskiyou near Durny's Mill Comment
  RSA582467  Trifolium wormskioldii Louis C. Wheeler 1935-6-27 3620 Siskiyou Greenview, Scott Valley. 884 Comment
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Aug 1 2014
  SEINET10577454  Trifolium wormskioldii var. wormskioldii Wiegand 1921-8-23 WIEGAND 1389 Siskiyou Marshy subalkaline soil, south of Montague. Comment
  JEPS47264  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Comment
  CAS-BOT-BC520839  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  HSC69282  Trillium ovatum Maralyn A. Renner 1980-7-24 1963 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS86150  Trillium ovatum Wayne Roderick 1958-4 Siskiyou Cook and Green Pass area 1371 Comment
  CHSC95115  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8739 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  HSC76925  Trillium ovatum subsp. oettingeri William J. Ferlatte 1983-6-29 2102 Siskiyou Near confluence of Cow Creek and McCloud River, E of Rd. 39N93 1220 Comment
  CAS-BOT-BC200092  Trisetum canescens Lewis S. Rose 1945-6-18 45088 Siskiyou Horse Creek & Klamath River 502 Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  HSC86562  Trisetum cernuum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  RSA233684  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38958 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC1265476  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou on trail se Tom's Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UC164091  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  SEINET10472653  Triteleia grandiflora Mary Susan Taylor 1980-7-8 Taylor 3116 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  CAS-BOT-BC524313  Triteleia ixioides subsp. anilina Francia Chisaki; Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek, on road to ice caves north of McCloud 1158 Comment
  CAS-BOT-BC526139  Triteleia laxa Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou County Comment
  HSC69713  Tsuga mertensiana Maralyn A. Renner 1980-7-15 1772 Siskiyou English Lake inlet 1780 Comment
  JEPS80542  Tsuga mertensiana Gilbert Muth 1965-8-16 223 E Siskiyou Black Mt. Marble Mt. Wilderness Area, Black Mt. 1792 Comment
  CAS-BOT-BC80253  Tsuga mertensiana subsp. grandicona Louis C. Wheeler 1934-9-1 3237 Siskiyou Klamath Forest, Mud Springs 1889 Comment
  CAS-BOT-BC91275  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  CAS-BOT-BC376181  Urtica dioica Andrew Townesmith; Karen M. Meyer 2007-8-3 895 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CAS-BOT-BC199182  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Shores of Jackson Lake, Salmon Mts. Comment
  CAS-BOT-BC199195  Vaccinium cespitosum W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mt Eddy Comment
  HSC91310  Vaccinium cespitosum Jennifer Whipple 1976-6-17 1023 Siskiyou Near Durney Lake 2073 Comment
  JEPS91235  Vaccinium cespitosum Dean W. Taylor 1988-7-9 9946 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  RSA285942  Vaccinium cespitosum H. E. Brown 1897-7-15 520 Siskiyou South side Mt. Shasta. Comment
  UCD118054  Vaccinium cespitosum R. Tofsrud; J. M. Tucker 1948-8-2 1766 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  UC1409404  Vaccinium deliciosum Frederick W. Oettinger 1969-7-11 990 Siskiyou a short way up the trail from Hancock Lake to Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  UC1409422  Vaccinium deliciosum Frederick W. Oettinger 1969-7-14 1013 b Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  CAS-BOT-BC199231  Vaccinium membranaceum W. R. Dudley 1901-8-18 s.n. Siskiyou Shore of Jackson Lake, Salmon Mountains Comment
  UC1409403  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou near Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  HSC23552  Vaccinium parvifolium J. O. Sawyer 1970-7-3 2313 Siskiyou W of Camp 3 Comment
  HSC19093  Vaccinium scoparium J. O. Sawyer 1969-8-5 1736 Siskiyou W of Little Duck Lake 2073 Comment
  HSC19527  Vaccinium scoparium J. O. Sawyer 1969-8-5 1735 Siskiyou W of Little Duck Lake 2073 Comment
  UC70299  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1898-8-1 478 Siskiyou Medicine Lake Comment
  RSA22057  Vahlodea atropurpurea J. T. Howell 1939-8-3 15003 Siskiyou Spirit Lake, Marble Mountains. 1829 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
  UC169080  Valeriana sitchensis subsp. sitchensis Harley P. Chandler 1901-6-22 1583 Siskiyou Haypress Meadow Marble Mountain (ridges and meadows near); North Coast Ranges, Marble Mountain 1828 Comment
  UC637032  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Happy Camp to Waldo (Oregon) road watershed of West Branch of Indian Creek; Klamath National Forest, watershed West Branch Indian Crk 1463 Comment
  RSA238572  Vancouveria hexandra Frederick W. Oettinger, R. Thorne 1969-8-6 1232 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1409394  Vancouveria hexandra Frederick W. Oettinger and R. F. Thorne 1969-8-6 1232 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC164070  Verbascum blattaria Geo. D. Butler 1908-6-24 1007 Siskiyou Yreka Comment
  POM43036  Verbascum blattaria Edward Palmer 1892-7-13 2540 Siskiyou Mt. Shasta and vicinity. Comment
  SDSU11033  Verbascum blattaria D. F. Howe 1961-8-3 3131 Siskiyou 4.1 miles NE of Happy Camp on #96. 457 Comment
  HSC69322  Verbascum thapsus John Palmer 1980-8-12 730 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CHSC1906  Veronica copelandii A. Anderson 1962-8-1 Siskiyou Near E. Boulder Lake, between Trinity and Scott river drainage. 2225 Comment
  SEINET4938455  Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy [Plants of the Pacific Coast. Distributed by C.F. Baker] Comment
  SEINET3160870  Veronica scutellata T. S. Brandegee sn Siskiyou Sisson's Comment
  HSC69008  Veronica serpyllifolia subsp. humifusa Maralyn A. Renner 1980-7-24 2050 Siskiyou Lily Pad Lake 1768 Comment