Search Results — 2000 specimen records retrieved (1360 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1029452  Abies Mrs. B. M. Berry 1954-10-7 3 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahans); Salmon Mountains 1828 Comment
  CAS-BOT-BC78132  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  HSC68975  Abies concolor Maralyn A. Renner 1980-7-24 2128 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  RSA0091808  Abies concolor Bonnie C. Templeton 1968-6-13 11331 Siskiyou Mt. Shasta, on road to ski bowl. 2835 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SD75844  Abies concolor Darley F. Howe 1969-9-12 Siskiyou Siskiyou Mountains, west side of Grayback 1525 Comment
Read comments
Jul 10 2010
  UCSC001102  Abies magnifica var. shastensis Peter Kamb 1946-8-11 381 Siskiyou Horse camp - S.W. slope of Mt. Shasta 2499 Comment
  HSC29634  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Marble Mtn. Wilderness Area, N of peak near English Lake. Bulk Collection #51 2104 Comment
  CAS-BOT-BC330615  Acer circinatum Geo. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC330619  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou Sisson Comment
  UC1043450  Acer circinatum P. C. Everett and E. K. Balls 1954-10-11 20270 Siskiyou on road to Castle Lake 3 mi sw from town Mt. Shasta; S Fork Sacramento River, on road to Castle Lake 883 Comment
  CLARK-A1528-1053  Acer circinatum John C. Roos 1939-7-5 1520 Siskiyou 990 Comment
  HSC61849  Acer glabrum var. torreyi Ruby Van Deventer 1938-8-5 Siskiyou Poker Flat 1585 Comment
  RSA237823  Acer glabrum var. torreyi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1206 Siskiyou Slope at Willow Springs, along the trail between Abbots Upper Cabin and English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET10454033  Acer glabrum var. torreyi Mary Merello 1993-6-22 Merello 690 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC635160  Acer macrophyllum Dorothy Tebbe 1929-7-18 7 Siskiyou Mount Eddy Comment
  CDA35548  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2620 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CAS-BOT-BC336937  Acer negundo var. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek Comment
  HSC27653  Achillea millefolium Carl W. Mize 1972-6-8 10 Siskiyou Along main trail 335 Comment
  JEPS107480  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
  UC144341  Achillea millefolium A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  UCSB6310  Achillea millefolium Phillips, Priscilla 1960-6-13 Siskiyou Rt. 97, 11 miles north of Weed, lowers slopes of Mt. Shasta 1097 Comment
  CAS-BOT-BC30443  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness 1950 Comment
  CAS-BOT-BC400005  Achlys triphylla Clarence R. Quick 1959-6-19 59 -14 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC29268  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Marble Mtn. Wilderness Area, near gap between Tom's Lake Basin and Tobacco Lake Basin 1829 Comment
  UCD50508  Achnatherum lemmonii Beecher Crampton 1969-6-18 8463 Siskiyou Oro Fino. (ca. 4 miles w.s.w. Fort Jones in direct line.) Comment
  UCD50959  Achnatherum occidentale R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. 1828 Comment
  SEINET7593425 Image available Achnatherum occidentale A. S. Hitchcock 1934-1 12390 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC210862  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-29 10949 Siskiyou Medicine Lake Comment
  UCD51039  Achnatherum occidentale subsp. californicum L. Whitney 1935-7-15 3475 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UCD55544  Achnatherum occidentale subsp. californicum A. H. Murphy 1953-7-28 KNF 4 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  RSA17732  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  SEINET11696160  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou State Hwy 97, 12 mi NE of Weed Comment
  POM30811  Achyrachaena mollis Geo. D. Butler 1910-5-8 1312 Siskiyou Near Yreka. Comment
  UCD103807  Acmispon americanus var. americanus A. A. Heller 1916-8-24 12557 Siskiyou Near Sisson. 1074 Comment
  CHSC35553  Acmispon parviflorus James P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River. Comment
  JEPS74533  Aconitum columbianum W. J. Ferlatte 1966-8-3 291 Siskiyou Trinity Alps, Josephine Lake basin 1676 Comment
  SEINET4176084 Image available Aconitum columbianum Sally Walker 1983-8-24 Siskiyou Beside Pacific Crest Trail, Mt Eddy 3048 Comment
  UC166139  Aconitum columbianum Geo. D. Butler 1910-7-13 1774 Siskiyou Schackleford Creek 1219 Comment
  HSC36  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-3 292 Siskiyou Josephine Lake basin 1677 Comment
  POM148070  Aconitum columbianum var. columbianum J. B. Feudge 1927-7-22 1650 Siskiyou Trail to Mountain Eddy. 1067 Comment
  CAS-BOT-BC413843  Aconogonon davisiae J. M. Tucker 1948-8-2 1760 Siskiyou Panther Meadows, Mt. Shasta 2407 Comment
  CAS-BOT-BC391704  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  UC618887  Actaea rubra W. Bridge Cooke 1938-8-19 11530 Siskiyou Big Bear Springs meadow and Sisson Southern Trail Spring (6500 ft) Mt. Shasta Comment
  RSA262473  Actaea rubra subsp. arguta J. M. Tucker, L. K. Mann 1963-7-7 3719 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC29321  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  HSC77785  Adenocaulon bicolor L. P. Janeway 1983-9-11 677 Siskiyou Poker Flat 1524 Comment
  OBI80258  Adenocaulon bicolor David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC2405  Adenocaulon bicolor William J. Ferlatte 1966-8-18 405 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC68957  Adiantum aleuticum Doris K. Kildale 1929-8-24 9069 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  HSC46088  Adiantum aleuticum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC93001  Adiantum aleuticum Jennifer Whipple 1976-7-24 1566 Siskiyou SW of Dobkins Lake along the drainage into the lake 2134 Comment
  RSA756836  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 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
  UC160809  Adiantum aleuticum Dr. E. B. Copeland 1903-9-6 3859 Siskiyou Mt Eddy 1463 Comment
  CAS-BOT-BC110723  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou Along road just east of Montague. Comment
  CDA1642  Aegilops cylindrica T. C. Fuller 1970-5-26 19582 Siskiyou Montague 0 Comment
  OBI4708  Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Ca. 4 mi E of Montague Comment
  SEINET14139457 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  UC726050  Agastache parvifolia A. A. Heller 1938-7-13 15263 Siskiyou among lava rocks at Bray Comment
  UC637091  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  UC195217  Agastache urticifolia Annie M. Alexander and L. Kellogg 1911-7-30 305 Siskiyou Hd Rush Cr Comment
  JEPS25851  Ageratina occidentalis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7482 Siskiyou 8 mi above and e Somes Bar (along road up Salmon River, at Grants Bluffs); Salmon River, Grants Bluffs 304 Comment
  SEINET1004219  Ageratina occidentalis Mark Fishbein, Lane Greer 2006-1 5873 Siskiyou Along Forest Service Rd. 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  UC922269  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5832 Siskiyou se, in meadow Paradise Lake; Marble Mountains 1920 Comment
  UC933411  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1948-9-9 5615 Siskiyou at start of 2 mi trail to Taylor Lake, in meadow Cook and White Mine; Siskiyou Mountains Comment
  SEINET11854996  Agoseris grandiflora J. P. Tracy 1949-1 18555 Siskiyou 1.5 mi up Taylor Creek from mouth (branch of E Fork of S Fork Salmon R.) Sec.14 T38N R11W, .. 914 Comment
  UC682100  Agoseris grandiflora var. grandiflora G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3260 Siskiyou 3 mi s Yreka 810 Comment
  HSC45889  Agropyron cristatum Laura Witherspoon 1978-8-15 79 Siskiyou Klamath National Forest, 0.1 miles S of junction of Forest Service Rds. 6Q01 and 7S01 1378 Comment
  UC165784  Agrostis Geo. D. Butler 1910-7-12 1748 Siskiyou Shackleford Creek 1219 Comment
  SEINET5335956  Agrostis alba B. Cooke 1939-8-22 13880 Siskiyou Mount Shasta, Wagon Camp Transition Zone 1737 Comment
  CDA15520  Agrostis capillaris G. F. Hrusa 1998-7-5 14688 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Clumping perennial on roadside. Open dry site. Comment
  CAS-BOT-BC126996  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  UCD35432  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  HSC39909  Agrostis gigantea J. P. Smith, Steve Selva 1970-7-16 4376 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  RSA129612  Agrostis hallii A. Simontacchi 1937-6-21 175 Siskiyou Hunter Point Comment
  RSA238363  Agrostis humilis Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1285 Siskiyou SE of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC22422  Agrostis pallens J. O. Sawyer 1969-8-1 1668 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC70732  Agrostis pallens Ruby Van Deventer 1955-8-1 Siskiyou Forest Service Road 17N04 Comment
  CDA28159  Agrostis scabra T. C. Fuller, Don Shaw 1974-9-24 20033 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  UC375198  Allium acuminatum Geo. D. Butler 1910-5-17 1357 Siskiyou Yreka hills Comment
  RSA166656  Allium acuminatum A. I. Richardson 1961-6-8 14 Siskiyou Near Cedar Lake, N of Mt. Shasta. 854 Comment
  CAS-BOT-BC462376  Allium amplectens Margaret M. Hanna 1958-6-20 s.n. Siskiyou Along highway - 6 miles south of Dunsmuir Comment
  UC164023  Allium bolanderi Geo. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley Comment
  HSC21984  Allium bolanderi var. bolanderi J. O. Sawyer 1969-6-12 924 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC1045265  Allium campanulatum W. Bridge Cooke 1940-7-5 15245 Siskiyou along the road below Wagon Camp; Mount Shasta Comment
  CAS-BOT-BC469243  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  HSC99606  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 2004-6-20 9259 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3 at Scott Mtn. Pass 1707 Comment
  POM110166  Allium falcifolium Geo D. Butler 1908-8-6 110 Siskiyou Marble Mountain. 2134 Comment
  RSA367094  Allium falcifolium L. C. Wheeler 1935-6-9 3566 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA367096  Allium falcifolium Christopher Davidson 1975-6-5 2663 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC61854  Allium validum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC1133842  Allium validum H. A. Jensen 1933-6-25 331 Siskiyou near Wagon Camp; Shasta National Forest, Dunsmuir Quadrangle Comment
  UC803883  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4020 Siskiyou 10 mi w Weeds (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  UCD77315  Allium validum Robert E. Preston 2001-8-26 1758 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1877 Comment
  JEPS57164  Allium validum L. R. Heckard 1967-8-12 1657 Siskiyou along logging road heading s Stewart Springs (ca. 10 mi from U.S. Highway 99 n of Weed) 1950 Comment
  CAS-BOT-BC171397  Alnus incana subsp. tenuifolia Geo. B. Grant 1902-9-6 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC171416  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-22 s.n. Siskiyou On Craggy Peak near 1st spring Comment
  RSA1890  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  RSA47784  Alnus incana subsp. tenuifolia Roxana S. Ferris, Laura Lorraine 1948-6-16 11766 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1677 Comment
  UCD109994  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna Comment
  SBBG25320  Alnus viridis subsp. sinuata S. L. Holloway 1963-6-2 72 Siskiyou 100 yards from Deep Crk and 0.25 mi N of Deep Lake, Marble Mtns Comment
  CHSC38086  Alyssum alyssoides R. E. Preston; L. E. Preston 1983-6-9 391 Siskiyou Grass Lake Rest Area. 1542 Comment
  CAS-BOT-BC18595  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53447 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  HSC2902  Amaranthus albus R. C. Wunner 1965-8-27 490 Siskiyou California Lava Beds National Monument, top of petroglyphs Comment
  RSA245268  Amaranthus blitoides J. P. Smith, J. Sawyer 1972-9-14 5797 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  HSC44719  Amelanchier alnifolia var. pumila J. O. Sawyer, E. Cope 1977-6-18 2910 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC22281  Amelanchier alnifolia var. semiintegrifolia J. O. Sawyer 1969-7-3 1046 Siskiyou Above Lipstick Lake 1951 Comment
  HSC36903  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1974-5-26 7543 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  JEPS123503  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5-17 13 -113 Siskiyou McCloud River loop road Comment
  CAS-BOT-BC26879  Amelanchier gracilis Amos Arthur Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  HSC18536  Amelanchier pallida D. M. Thomson 1965-8-21 203 Siskiyou Lava Beds NM, 1/4 mi. S of Caldwell Cinder Pit Comment
  HSC31799  Amelanchier pallida Steve Selva, Roger Jensen 1974-8-16 7 Siskiyou Above Sugar Lake Comment
  HSC44953  Amelanchier pallida J. O. Sawyer 1978-6-15 3210 Siskiyou Marble Mtn. Wilderness Area, ridge NE of Cash Lake on Stanshaw-Sandy Ridge Trail 1793 Comment
  HSC4963  Amelanchier pallida J. O. Sawyer 1968-6-18 178 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS123617  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -351 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  CAS-BOT-BC136901  Amelanchier utahensis G. P. Rixford s.n. Siskiyou Hilt Comment
  UC637027  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback; Siskiyou-Del Norte County line 1798 Comment
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  UC1584291  Anaphalis margaritacea Julie Kierstead 1990-8-23 90 -144 Siskiyou Cold Creek; Mt. Shasta, McCloud R. D. 1584 Comment
  CAS-BOT-BC391752  Anemone John Thomas Howell 1939-8-8 15165 Siskiyou Black Mt., Marble Mts. Comment
  CHSC32971  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  CHSC95118  Anemone deltoidea L. P. Janeway 2006-7-2 8745 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope just above the creek. 1762 Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  SBBG30505  Anemone deltoidea D. Myrick 1968-6-27 2034 Siskiyou Big Flat Public Camp, head of Coffee Crk 1524 Comment
  HSC41040  Anemone lyallii J. O. Sawyer 1970-3-4 2059 Siskiyou N of Idlewild Campground 762 Comment
  JEPS60521  Anemone multifida Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring 1828 Comment
  CAS-BOT-BC391973  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  RSA211132  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UC1356635  Angelica arguta J. F. Emmel 1968-7-22 90 Siskiyou Trinity Alps, Caribou Lake Caribou Lake; Trinity Alps, Caribou Lake 2103 Comment
  HSC71954  Angelica tomentosa J. M. DiTomaso 1980-8-4 1847 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. 1341 Comment
  HSC86533  Antennaria alpina D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  CAS-BOT-BC59288  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  RSA120795  Antennaria argentea S. S. Tillett 1956-7-11 700 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CAS-BOT-BC59281  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath National Forest 1127 Comment
  POM34162  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek. Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC59164  Antennaria dimorpha L. E. Smith 1913-4-22 96 Siskiyou Yreka Comment
  UC165968  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  CHSC30243  Antennaria geyeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 Siskiyou Little Mt. Hoffman, W side, between road and lookout. 2225 Comment
  JEPS22834  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on Highway 49) 1066 Comment
  HSC29211  Antennaria howellii Frederick W. Oettinger 1986-9-3 679 Siskiyou High Lake Basins of the Marble Mountains Wilderness Area; between Horse Range Lake and 'Horses Hole' pond 1860 Comment
  JEPS25842  Antennaria media Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7457 Siskiyou meadow at headwaters of, just of Jeep Rd from Poker Flat to Twin Valley Indian Creek; Siskiyou Mts., Indian Creek 1584 Comment
  CAS-BOT-BC79901  Antennaria microphylla Hans Leschke 1960-8-10 1761 Siskiyou Badger Flat 1912 Comment
  CAS-BOT-BC79908  Antennaria microphylla Geo. D. Butler 1910-6-5 1519 Siskiyou Loy Lake Comment
  CAS-BOT-BC84793  Antennaria racemosa John Thomas Howell 1939-8-2 14904 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC84731  Antennaria umbrinella Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA105409  Anthemis cotula G. D. Barbe 1955-7-1 084 Siskiyou 6 mi. south of Etna at junction of the Westside Rd. and the east-west road crossing Scott Valley. 884 Comment
  UC1238901  Antirrhinum vexillocalyculatum subsp. breweri Freed W. Hoffman 1950-7-11 3724 Siskiyou 2.0 mi from north end of Cedar Camp road (Cedar Camp road, where the road joins the Klamath <River> again, and 42.5 mi n of Klamath <River> from the s end of Cedar Camp road, w Siskiyou Co.); North Coast Ranges Comment
  HSC65081  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-6-15 3892 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  RSA166009  Apocynum androsaemifolium subsp. pumilum Donald Myrick 1961-6-20 292 Siskiyou On Old McCloud Road to Bear Springs just east of Mt. Shasta City. 1098 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-BC394982  Aquilegia formosa John Thomas Howell 1937-7-22 13318 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC395148  Aquilegia formosa Alice Eastwood 1912-7-16 1128 Siskiyou McCloud Comment
  RSA366903  Aquilegia formosa Bonnie C. Templeton 1960-6-21 8541 Siskiyou Near summit of Scott Mt. Comment
  UC853775  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou near Wagon Creek Falls e side of Mt. Eddy Comment
  CAS-BOT-BC395151  Aquilegia formosa Douglas Barbe 1955-6-30 054 Siskiyou 0.5 mile NW of Forest Camp, Etna, along Johnson Creek 914 Comment
  HSC81750  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6199 Siskiyou Along USFS Rd. 41N17 1.0mi junction with Callahan-Cecilville Rd. 1585 Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC28661  Aquilegia formosa var. truncata Frederick W. Oettinger 1968-8-6 422 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  UC705860  Arabis glabra Marion Ownbey and Fred G. Meyer 1940-7-7 2207 Siskiyou sw of Yreka (along Soap Ridge Road) Comment
  UC166148  Arabis holboellii Geo. D. Butler 1910-7-5 1505 Siskiyou Shackleford Creek Comment
  HSC26568  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer 1972-8-20 5758 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC92772  Arabis modesta D. L. Goforth 1980-4-23 475 Siskiyou Salmon River at Tripp Creek 351 Comment
  UC673140  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2911 Siskiyou 2 mi nw Scott Bar; Klamath-Siskiyou Region, Scott River 487 Comment
  CAS-BOT-BC17368  Arabis oregana F. D. Douthitt 1926-3-16 5 Siskiyou Klamath Forest. Klamath River near Horse Creek. 487 Comment
  JEPS84110  Arabis oregana L. R. Heckard with J. Hickman et al. 1986-7-17 6452 Siskiyou ca 5 mi n Seiad Valley town (s of Lily Pad Lake, trail to Kangaroo Peak); Kangaroo Peak 1820 Comment
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Feb 24 2021
  UCR37603  Arabis subpinnatifida K. Faber, Scott LaChance, Mike Rekart 1984-5-26 51 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  UC1174942  Aralia californica P. C. Everett and E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. w. Red Bank F. S. Camp (on rd. to Somes Bar from Sawyers Bar) 609 Comment
  SEINET2471283  Arceuthobium abietinum R. L. Mathiasen 2007-8-14 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake 1345 Comment
  SEINET2471351  Arceuthobium abietinum R. L. Mathiasen 2007-9-18 2007 -49 Siskiyou 41.6 km N. of St. Rte. 96 on forest road 15N01 1420 Comment
  SEINET2471295  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-18 2007 -48 Siskiyou 46 km N. of St. Rte. 96 on forest road 15N01 1470 Comment
  CAS-BOT-BC407706  Arceuthobium americanum Peter H. Raven 1956-9-5 10456 Siskiyou North Fork of Sacramento River 2011 Comment
  UC618794  Arceuthobium campylopodum W. B. C. 1938-9-2 11593 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  SEINET3239867  Arceuthobium monticola R. L. Mathiasen 2003-1 2003 -62 Siskiyou 1.4 km W of Cook and Green Pass. 1640 Comment
  RSA0044721  Arctium minus L. C. Wheeler 1934-9-17 3276 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  CAS-BOT-BC45433  Arctostaphylos nevadensis Doris K. Kildale 1928-7-2 5335 Siskiyou Salmon Summit on Hom Creek Trail. 1981 Comment
  CAS-BOT-BC45439  Arctostaphylos nevadensis H. A. Thomas; J. H. Thomas 1954-7-24 4506 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 mi. e. of Cecilville. 1828 Comment
  HSC4919  Arctostaphylos nevadensis J. O. Sawyer 1968-6-18 223 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA60638  Arctostaphylos nevadensis I. L. Wiggins 1950-5-28 12373 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  UC796483  Arctostaphylos nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11801 Siskiyou on Scott Mt. Rd. at Mule Creek Crossing (s of Callahan) 1493 Comment
  SEINET11989082  Arctostaphylos nevadensis subsp. knightii R. Raiche, Zadnik, K. 1982-1 20558 Siskiyou Deadwood Lookout near Yreka 1676 Comment
  CAS-BOT-BC46463  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mts. Comment
  CAS-BOT-BC46469  Arctostaphylos patula Alice Eastwood 1917-9-2 6683 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46481  Arctostaphylos patula Doris K. Kildale 1928-7-4 5522 Siskiyou Summit of divide between Salmon River & Scott Valley. Comment
  CAS-BOT-BC46514  Arctostaphylos patula A. A. Heller 1921-7-23 13586 Siskiyou Very common near the ice cave near the Pilgrim Creek forestry nursery. Comment
  JEPS38834  Arctostaphylos patula Geo. D. Butler 1909-4-11 756 Siskiyou Weed Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  SEINET11988198  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Little Grayback between O'Brien & Happy Camp 1372 Comment
  SBBG5517  Arctostaphylos viscida subsp. viscida H. and M. Dearing 1939-6-3 3535 Siskiyou near Scott Bar 609 Comment
  UC1190191  Arenaria congesta var. suffrutescens Ira L. Wiggins 1955-7-27 13515 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC2413  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn. 2470 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
  HSC46236  Arnica cordifolia Jennifer Whipple 1976-7-1 1276 Siskiyou Mt. Eddy 2317 Comment
  HSC28398  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Marble Mountain Wilderness Area, below Tom's Lower Pond 1860 Comment
  HSC49949  Arnica viscosa Muth, Overton 1979-8-12 13687 Siskiyou Near Cliff Lake, close to the town of Fort Jones 1952 Comment
  UC444336  Arnica viscosa W. L. Jepson and N. B. Greene 1894-1 45941 Siskiyou Mt. Shasta Comment
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Jan 18 2009
  CAS-BOT-BC84978  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1939-8-8 15167 Siskiyou Marble Mts., Black Mt. Comment
  RSA186317  Artemisia campestris subsp. borealis Gilbert Muth 1966-7-22 186317 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  CHSC86655  Artemisia cana subsp. bolanderi Jenny Marr 1993-7-1 38 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC28251  Artemisia douglasiana J. P. Smith, J. O. Sawyer 1971-9-18 4816 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  RSA186322  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-10-16 9 Siskiyou Marble Mountains 1793 Comment
  CAS-BOT-BC90783  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1939-8-8 15146 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  CAS-BOT-BC97420  Artemisia tridentata subsp. tridentata W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  CAS-BOT-BC447712  Aruncus dioicus var. vulgaris Edward Lee 1934-8-11 1031 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  CAS-BOT-BC400586  Asarum caudatum Alice Eastwood 1912-7-17 1174 Siskiyou Sisson Comment
  JEPS32483  Asarum caudatum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  HSC36712  Asarum caudatum Brent Whiteley 1975-7-3 138 Siskiyou 1220 Comment
  RSA416094  Asarum caudatum M. B. Dunkle 1945-1 s.n. Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. 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
  CAS-BOT-BC400701  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou Plateau above Shasta Springs Comment
  SEINET3158762  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  SEINET10814570  Asclepias speciosa Edward L. Greene 1876-6-28 Greene 899 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC69598  Aspidotis densa Doris K. Kildale 1928-7-25 5913 Siskiyou Klamath River at Mack's Creek, near Hamburg. Comment
  POM210963  Aspidotis densa L. C. Wheeler 1934-8-26 3224 Siskiyou Trapper Creek, Siskiyou Mountains 1982 Comment
  RSA14493  Aster eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Low alkaline ground along Willow Creek S of lower Keamath marsh Comment
  RSA351096  Aster frondosus L. C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek. 1220 Comment
  UCR37820  Aster ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn., Scott Bar 15' Q. Comment
  CAS-BOT-BC178802  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1739 Siskiyou Near Yreka on Ft. Jones Road Comment
  JEPS116601  Astragalus californicus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -14 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  RSA0006722  Astragalus californicus R. C. Barneby 1954-5-16 11518 Siskiyou Scott Bar. 549 Comment
  JEPS94893  Astragalus curvicarpus var. curvicarpus Vernon H. Oswald and Lowell Ahart 1998-6-11 9183 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  JEPS82699  Astragalus filipes Wayne Roderick 1984-6-6 Siskiyou South Fork Sacramento River 1524 Comment
  CDA26673  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2597 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  CAS-BOT-BC193068  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  CAS-BOT-BC516178  Astragalus purshii var. tinctus Dana York 2011-8-13 3069 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  HSC46184  Astragalus purshii var. tinctus Jennifer Whipple 1977-4-30 1879 Siskiyou Scott Valley near Weston Gulch on open hillside 854 Comment
  RSA47607  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River. Comment
  HSC82563  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-5-26 4722 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC65080  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  RSA237518  Athyrium americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou On the southeast bank of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA215608  Athyrium americanum Anonymous 1969-8-7 1270 Siskiyou Boulder Peak Ridge. 2470 Comment
  HSC67757  Athyrium distentifolium var. americanum John Palmer 1980-7-24 602 Siskiyou Elk Hole 1503 Comment
  HSC76657  Athyrium distentifolium var. americanum K. T. Stillman 1976-7-22 294 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC68705  Athyrium filix-femina var. californicum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at marble Valley Comment
  CAS-BOT-BC66195  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Cold Spring Woolly Creek Comment
  HSC19251  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-8-5 1789 Siskiyou Along Sugar Creek. 1921 Comment
  UC1408832  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou just below Tom Taylor Cabin spring; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2042 Comment
  JEPS93962  Atriplex heterosperma Vernon H. Oswald and Lowell Ahart 1998-9-16 9649 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  CDA2952  Atriplex heterosperma R. Pederson, G. Pederson 1979-9-26 111 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  HSC59893  Atriplex micrantha R. & G. Pederson 1979-10-10 51 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC1408929  Barbarea orthoceras Frederick W. Oettinger 1969-6-13 997 Siskiyou n of Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  RSA210843B  Bassia hyssopifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39042 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CAS-BOT-BC75917  Berberis piperiana Doris K. Kildale 1928-8-18 6428 Siskiyou North Fork Salmon River at Finley Camp. Comment
  CAS-BOT-BC75938  Berberis piperiana W. R. Dudley 1901-8-26 s.n. Siskiyou Trail above Callahans. Comment
  CAS-BOT-BC76002  Berberis pumila Mrs. Eric Anderson 1923-4-19 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC102122  Bidens cernua L. E. Smith 1915-7-1 s.n. Siskiyou Desty Comment
  HSC76736  Bistorta bistortoides K. T. Stillman 1976-7-14 236 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  CAS-BOT-BC127901  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Siskiyou Mts. Cottonwood Creek 914 Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  UC1112866  Blepharipappus scaber Milo S. Baker 1957-6-16 3125 Siskiyou Scott Mt. 1615 Comment
  UC1278816  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains Siskiyou Mountains, Cottonwood Creek 914 Comment
  UC166059  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  JEPS82472  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  RSA0125481  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  SBBG111487  Boechera J. M. Tucker 1963-7-7 3723 Siskiyou Marble Mtn Wilderness Area, vicinity of Paradise Lake at E base of King's Castle 1981 Comment
  SEINET197954  Boechera breweri T. Howell 1884-6-17 Siskiyou Siskiyou Mts. Comment
  UC165320  Boechera breweri Geo. D. Butler 1910-5-21 1379 Siskiyou Klamath River Comment
  CAS-BOT-BC16046  Boechera breweri subsp. shastaensis J. H. Thomas 1954-5-14 4175 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  CHSC102556  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.2 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  UC618750  Boechera howellii unknown 1938-7-28 11373 Siskiyou Mount Shasta, North Ridges Mount Shasta 2743 Comment
  UCD77348  Boechera howellii Robert E. Preston 2001-6-30 1647 b Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  JEPS53088  Boechera pauciflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka Comment
  CAS-BOT-BC14111  Boechera pauciflora A. A. Heller 1905-6-20 8083 Siskiyou Between Igerna and Weed. Collected near the railraod a short distance south of Weed, not many miles from Yreka. Comment
  JEPS90245  Boechera paupercula Dean W. Taylor 1975-8-14 5356 Siskiyou between Shasta Ski Area and Green Butte (Mount Shasta); Mount Shasta 2590 Comment
  CAS-BOT-BC14413  Boechera platysperma Alice Eastwood 2076 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC25424  Boechera retrofracta Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  SEINET3166090  Boechera retrofracta P. J. Alexander 2008-7-23 867 -A Siskiyou Boulder Creek Trail, +-1.9 miles N of Boulder Peak, +-6 miles ENE of Black Marble Mountain, +-15 miles NW of Etna, Salmon Mountains, Klamath National Forest. 1798 Comment
  JEPS53188  Boechera subpinnatifida J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC25923  Boechera suffrutescens Doris K. Kildale 1928-8-20 6597 Siskiyou Lily Pad Lake near Hancock Lookout trail to Marble Mountain. 2133 Comment
  HSC22126  Boschniakia strobilacea J. O. Sawyer 1969-7-1 996 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  JEPS109872  Botrychium simplex var. simplex Dean W. Taylor 2005-7-13 19398 Siskiyou Deter Spring, at northern base Buck Mountain (ca 11 air miles N of Bartle on Highway 89) 1554 Comment
  HSC4949  Boykinia major J. O. Sawyer 1968-7-23 581 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  CAS-BOT-BC30273  Brassica nigra Henry M. Pollard 1947-8-22 s.n. Siskiyou North of Somes Bar. Fontana's Fishing Lodge. Comment
  CAS-BOT-BC127718  Brickellia greenei Alice Eastwood 1912-8-30 2073 Siskiyou Deer Creek; Mount Eddy Comment
  SEINET10615085 Image available Brickellia greenei Edward L. Greene 1870-8-24 Greene 1012 Siskiyou At head of Scott River. Comment
  UC164282  Brodiaea elegans subsp. elegans Geo. D. Butler 1910-5-29 1421 Siskiyou meadow near Yreka Comment
  UC337864  Brodiaea elegans subsp. elegans unknown 1889-7-26 Siskiyou Edgwood Comment
  RSA577539  Bromus carinatus L. C. Wheeler 1935-5-11 3476 Siskiyou Klamath River at Ash Creek 610 Comment
  HSC103049  Bromus carinatus var. carinatus J. P. Smith 2014-6-7 13907 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1687 Comment
  UC1265361  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake, Salmon Mountains, western Siskiyou County Horse Range Lake; Salmon Mountains, Horse Range Lake 1821 Comment
  UC1483565  Bromus carinatus var. carinatus J. Sawyer and J. Cole 1980-7-21 3855 Siskiyou n of F.S. Road 44N01 (near intersection with road to Lava Camp, Klamath National Forest); Klamath National Forest 1676 Comment
  UC60463  Bromus carinatus var. carinatus E. Palmer 1892-1 2626 Siskiyou near Mount Shasta Comment
  CAS-BOT-BC148790  Bromus carinatus var. marginatus M. B. Dunkle 1945-7-8 9214 Siskiyou Klamath Forest. Black Marble Mountain shoulder. 2133 Comment
  CAS-BOT-BC148799  Bromus carinatus var. marginatus William Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  UCD59121  Bromus carinatus var. marginatus Beecher Crampton 1956-8-21 3816 Siskiyou Ca. 15-16 miles southwest of Mt. Shasta City. Above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  CAS-BOT-BC148795  Bromus carinatus var. marginatus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mountain Hilt. Comment
  UCD59193  Bromus carinatus var. marginatus Geo. D. Butler Date Unknown 844 Siskiyou Near Yreka. Comment
  UCD58540  Bromus diandrus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3391 Siskiyou At Weed. Comment
  HSC9187  Bromus inermis D. M. Thomson 1965-7-18 154 Siskiyou Lava Beds N.M., N Boundry Rd., near Canbys Bay. Comment
  CAS-BOT-BC162473  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek & Klamath River. 502 Comment
  CAS-BOT-BC162137  Bromus orcuttianus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Mountain. Comment
  UC1152023  Bromus racemosus Joseph P. Tracy 1951-6-16 19488 Siskiyou about 3 mi s of Oregon-California State Line (at crossing of Takilma-Happy Camp Road, Summit of the Siskiyous); the Siskiyous Comment
  POM112727  Bromus rubens Geo D. Butler 1910-5-4 1270 Siskiyou Dry hill near Yreka Comment
  CAS-BOT-BC185598  Bromus tectorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53428 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan. 853 Comment
  JEPS69221  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou roadside near Yreka Comment
  HSC30541  Bromus vulgaris Frederick W. Oettinger, R. F. Thorne 1969-8-6 1246 Siskiyou Salmon Mountains, woods below Pine Lake Basin 1829 Comment
  CAS-BOT-BC273225  Cacaliopsis nardosmia Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Along ridge road to Deadwood Lookout, mountains west of Yreka Comment
  HSC95754  Calamagrostis breweri Gordon Leppig 1998-8-14 1037 Siskiyou Klamath National Forest, Little Duck Lake Fen, Russian Wilderness, SW of Little Duck Lake 2073 Comment
  HSC245  Calamagrostis koelerioides William J. Ferlatte 1966-8-4 315 Siskiyou Yellow Rose Mine 1982 Comment
  POM353039  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Marble Mts., Klamath National Forest. Comment
  CAS-BOT-BC112323  Calliscirpus criniger Doris K. Kildale 1928-7-1 5333 Siskiyou Forks of Salmon. 152 Comment
  SEINET7584064 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 754 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, near Hancock Lake outlet. 1935 Comment
  JEPS42820  Callitriche heterophylla var. bolanderi Geo. D. Butler 1908-12-27 1540 Siskiyou Oro Fino Comment
  CHSC118255  Callitriche palustris R. E. Brainerd; N. Otting 2013-7-12 2187 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  UC1265403  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 b Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2072 Comment
  HSC31982  Callitropsis nootkatensis Steve Selva, Roger Jensen 1974-8-23 40 Siskiyou Devils Punchbowl Comment
  RSA184686  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  SEINET4169790  Calochortus elegans Marion Ownbey, D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak , Mountains west of Yreka Comment
  HSC45146  Calochortus elegans var. nanus J. O. Sawyer, E. Cope 1977-6-20 2962 Siskiyou Behind Devil's Punchbowl 1829 Comment
  CHSC67725  Calochortus longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou At Wiley Ranch. Comment
  UCD139525  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou Center of the east edge of the large meadow at Wiley Ranch. Comment
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Oct 9 2014
  CAS-BOT-BC483440  Calochortus macrocarpus Peter H. Raven 1956-8-11 10067 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 97 Comment
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  SBBG22937  Calochortus nudus H. and M. Dearing 1939-6-5 3558 Siskiyou S of McCloud Comment
  CAS-BOT-BC493092  Calochortus nudus W. B. C. 1938-7-15 11219 Siskiyou Wagon camp 1706 Comment
  CAS-BOT-BC132458  Calochortus persistens Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  JEPS86146  Calochortus persistens Mr. L. P. Crocker 1890-1 Siskiyou near Yreka Comment
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Jan 10 2020
  SEINET8214323  Calochortus persistens Frank T. Callahan 1972-7-15 Siskiyou Gunsight Peak, Mahogany Pt; west of Yreka, California. 1896 Comment
  UC337923  Calochortus tolmiei unknown Siskiyou near Shasta Comment
  JEPS82681  Caltha biflora Wayne Roderick 1984-6-7 Siskiyou North side of Mt. Eddy road 17. 1676 Comment
  CAS-BOT-BC181501  Caltha leptosepala Milo S. Baker 1926-8-21 293 c-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  RSA11162  Calycadenia ciliosa C. B. Wolf 1927-8-27 1152 Siskiyou Klamath River, 1 mile above mouth of Salmon Comment
  JEPS81792  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  POM55529  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  CAS-BOT-BC272750  Calycadenia truncata subsp. truncata Alice Eastwood 1922-10-23 11552 Siskiyou Yreka Comment
  UC164385  Calypso bulbosa Geo. D. Butler 1910-6-5 1512 Siskiyou Shackleford Creek Comment
  HSC4431  Calyptridium umbellatum William J. Ferlatte 1966-6-22 77 Siskiyou Josephine Lake Basin 1677 Comment
  CDA39861  Calystegia malacophylla D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Coffee Creek near Big Flat Campground, Klamath National Forest. 0 Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  UC163724  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou 2 mi ne of Mount Shasta (Goosenest Foothills); Goosenest Foothills Comment
  CDA39273  Camassia quamash subsp. quamash T. C. Fuller 1962-6-13 8994 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  HSC6617  Camelina microcarpa W. L. Jepson 1940-6-23 19984 Siskiyou ca. 2 mi. E of Montague 823 Comment
  RSA29661  Camissonia contorta Louis C. Wheeler 1935-5-26 3527 Siskiyou Yreka Creek, Siskiyou Mountains 854 Comment
  POM160660  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Medicine Lake 2134 Comment
  SEINET10462934  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5998 Siskiyou NR MCNEAL CR., SALMON MT QUAD., NR FORKS OF SALMON 2402', CLIFF OR BLUFF, BOULDERS Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  UC334033  Campanula prenanthoides unknown Sept. 1883 Siskiyou near Shasta Comment
  SEINET10462854  Campanula prenanthoides Brown 1897-7-15 Brown 527 Siskiyou SOUTH SIDE MT SHASTA 5000-10000 Comment
  SEINET10463200  Campanula prenanthoides Rexford REXFORD s.n. Siskiyou S SIDE OF SHAFT-ROCK HUT(?), HILT Comment
  SEINET10840317  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 MI UP FOREST SERVICE RD 12N13 W OF BALD BUTTE. T12N R6E SEC. 11 610 Comment
  SEINET10939017  Campanula prenanthoides A. Arthur Heller 1920-7-28 Heller 13486 Siskiyou ALONG HIGHWAY NORTH SLOPE OF SISKIYOU MTNS YELLOW PINE AND OAK BELT Comment
  SEINET10972404  Campanula prenanthoides Lathrop 1903-7-10 LATHROP s.n. Siskiyou Shasta Retreat Comment
  UC1212559  Campanula prenanthoides Francia Chisaki and Helen Sharsmith 1959-8-20 4736 Siskiyou in forest near Carter Meadow; Inner North Coast Ranges, canyon of East Fork Salmon River 1828 Comment
  UC70377  Campanula rotundifolia Milo S. Baker 1899-7-31 Siskiyou E slope of Mt Shasta, on Ash Creek Comment
  RSA456187  Campanula rotundifolia M. B. Dunkle 1945-7-19 9220 Siskiyou Klamath Natl. Forest. Marble Mts. Southern exposure, Marble ledge Comment
  POM59313  Campanula scouleri E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy. 1311 Comment
  SD88346  Campanula scouleri Darley F. Howe 1972-7-6 4877 Siskiyou 1.3 miles south of Oregon State line on road to Happy Camp. 1645 Comment
  HSC69419  Campanula scouleri John Palmer 1980-8-13 769 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  SEINET10463604  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou SISSON, MT. SHASTA Comment
  SEINET10463791  Campanula scouleri Hemphill 1970-7-5 HEMPHILL s.n. Siskiyou Buck Lake 1311 Comment
  SEINET10463876  Campanula wilkinsiana Hosford 1881-8-24 HOSFORD s.n. Siskiyou Mount Shasta Comment
  SEINET10840063  Campanula wilkinsiana Ditomaso 1980-8-21 DITOMASO 1893 Siskiyou Open area nest to Kidd Creek, in Kedd Creek Meadows, Trinity Alps Primitive Area 2042 Comment
  SEINET10872989  Campanula wilkinsiana Cooke 1938-9-17 COOKE 11698 Siskiyou Mount Shasta; Horse Camp Springs, on the Summit trail & Squaw Cr. Meadows. 2469 Comment
  CAS-BOT-BC37235  Cardamine bellidifolia R. H. Bolimannsou 1926-7-16 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC37314  Cardamine breweri Reed Rollins 1939-6-23 13508 Siskiyou Mount Shasta. Bear Springs. 1524 Comment
  POM95616  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley. 1829 Comment
  CAS-BOT-BC37798  Cardamine nuttallii R. C. Barneby 1954-5-17 11541 Siskiyou Scott Mountain Summit, Siskiyou-Trinity County line. Comment
  RSA60623  Cardamine pulcherrima I. L. Wiggins 1950-5-28 12375 Siskiyou On ridge between Carmen Lake and headwaters of Grouse Creek. 1799 Comment
  CDA6890  Carduus nutans R. S. Richards 1965-7-27 Siskiyou Between Mt Shasta & Highway 99, ca 2 miles north of Mt Shasta City. 0 Comment
  CDA6891  Carduus nutans C. S. Giebner 1966-7-1 Siskiyou Colly Road south of Grenada. 0 Comment
  CAS-BOT-BC19768  Carex abrupta John Thomas Howell 1937-7-24 13428 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC45543  Carex amplifolia J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 Siskiyou 0.9 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  SEINET10586479  Carex amplifolia A. Arthur Heller 1905-6-5 Heller 7974 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  SEINET7549680 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC33303  Carex angustata William J. Ferlatte 1974-7-26 1594 Siskiyou Big Flat, near S fork of the Salmon River. Bottom of meadow W of campground 1509 Comment
  CAS-BOT-BC64987  Carex atherodes Peter F. Zika 2009-8-16 24601 Siskiyou On north side of route 97, 0.4 road miles ENE of Grass Lake Rest Area 1540 Comment
  CAS-BOT-BC18133  Carex athrostachya George Dexter Butler 1909-6-22 854 Siskiyou Goosenest Foothills. Comment
  UC143808  Carex athrostachya Dr. E. B. Copeland 1903-9-7 3866 Siskiyou Mount Eddy 2133 Comment
  HSC76845  Carex athrostachya L. P. Janeway 1982-8-2 104 Siskiyou 3 1/2 mi. along spur road into Coon Run 793 Comment
  JEPS25573  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7198 Siskiyou near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  HSC76386  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  JEPS25915  Carex densa W. L. Jepson July, 1884 51 a Siskiyou Sisson Comment
  UC1265328  Carex echinata subsp. echinata Frederick W. Oettinger and R. F. Thorne 1969-8-7 1270 Siskiyou margin of English Lake Salmon Mts., Marble Mountain Wilderness Area, English Lake 1767 Comment
  UC642555  Carex echinata subsp. echinata J. W. Stacey 1939-7-7 13615 Siskiyou in the Wagon Camp Sedge Swamp Mount Shasta, Wagon Camp Comment
  UC55223  Carex feta H. M. Hall and E. B. Babcock June, 1903 4061 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  HSC33307  Carex fracta William J. Ferlatte 1974-7-15 1535 Siskiyou Yellow Rose Mine Trail 1555 Comment
  HSC48100  Carex fracta D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19537 Siskiyou Along Hwy. 96 about 8 mi. W of junction with I-5 Comment
  CHSC90366  Carex geyeri Martin J. Lenz 2004-7-2 223 Siskiyou Miller Mtn.; approx. 2.6 mi. (4.2 km) 319 degree T from Herd Peak. UTM: 10 561352 E 4611707 N. 1797 Comment
  JEPS105060  Carex gigas Dean W. Taylor 1996-7-11 15777 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  JEPS87798  Carex gigas Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city)); Gumboot Creek 1783 Comment
  RSA13866  Carex hoodii L. C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  JEPS25936  Carex inops subsp. inops B. C. Goldsmith 1916-6-22 2 Siskiyou SE of Mount Shasta, Pilgrim Creek, McCloud Flat. Comment
  RSA237299  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou Meadows near Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC166  Carex interior William J. Ferlatte 1966-8-2 236 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  UCD140468  Carex interior A. A. Heller 1920-7-11 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  HSC76370  Carex lenticularis var. impressa L. P. Janeway 1982-8-15 142 Siskiyou Below Echo Lake 1646 Comment
  HSC76371  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Springy bench above and on NE side of Bear Creek, along the trail 1616 Comment
  RSA237288  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou North side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  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
  HSC103368  Carex luzulina Thomas W. Nelson, Jane Nelson 1984-7-28 7707 Siskiyou Along west side of Gumboot Lake 1860 Comment
  CAS-BOT-BC31634  Carex luzulina var. ablata R. Tallent 1987-8-16 943 Siskiyou Mt. Shasta area. Panther Meadows Trailhead area. 2219 Comment
  UC1608360  Carex luzulina var. ablata J. Kierstead 1991-7-3 91 -93 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  CAS-BOT-BC31626  Carex luzulina var. ablata A. A. Heller 1922-7-3 13674 Siskiyou Wet soil along Wagon creek on Mt. Eddy. 2225 Comment
  HSC76808  Carex microptera L. P. Janeway 1982-7-18 79 Siskiyou Near FS 19N07 crossing Two Bit Gulch, N side of road 1311 Comment
  HSC39866  Carex multicaulis J. O. Sawyer 1969-7-11 1308 Siskiyou Along S Sugar Creek below S Sugar Lake 2012 Comment
  CHSC40193  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou On ridge nw of Poker Flat (the Siskiyou crest). 1584 Comment
  UC194548  Carex nebrascensis Geo. D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  CAS-BOT-BC119469  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  UCR45815  Carex nudata L. P. Janeway 1984-6-21 461 Siskiyou Dillon Mtn. Q., East side of Klamath River at Persido Bar. 213 Comment
  HSC60837  Carex pachystachya Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM80147  Carex phaeocephala E. B. Copeland 1903-7-16 3568 Siskiyou Mt. Shasta. 3171 Comment
  CAS-BOT-BC118781  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC118793  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek, the creek which flows in a gully S of Horse Camp. 2438 Comment
  RSA238956  Carex preslii Frederick W. Oettinger 1969-8-19 1465 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC118214  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, Along the Twin Valley-Poker Flat trail. 1676 Comment
  CAS-BOT-BC117911  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC68517  Carex scabriuscula Maralyn A. Renner 1980-6-26 1170 Siskiyou Flint Valley. 1390 Comment
  HSC39283  Carex scopulorum J. O. Sawyer 1969-6-13 944 Siskiyou W of Little Duck Lake 2043 Comment
  HSC91374  Carex scopulorum Jennifer Whipple 1978-10-6 2424 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA238965  Carex scopulorum Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC39299  Carex scopulorum var. bracteosa J. O. Sawyer 1969-8-5 1752 Siskiyou W of Little Duck Lake 2073 Comment
  UCD63042  Carex scopulorum var. bracteosa Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  HSC77255  Carex scopulorum var. bracteosa L. P. Janeway 1983-7-9 393 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  CAS-BOT-BC117242  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  CHSC106463  Carex spectabilis Peter F. Zika 2009-8-16 24608 Siskiyou Cascade Range Highlands (CaRH). Near Road A10 (Everett Memorial Highway), Panther Meadows, S slope of Mt. Shasta, along creek. 2280 Comment
  UC1190189  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1363  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC117014  Carex straminiformis Paul Clifford Hutchison 1962-8-2 929 Siskiyou Exposed S slopes, Mt. Shasta, between Panther Meadow and top of ski lift. 2743 Comment
  CAS-BOT-BC117067  Carex straminiformis William Henry Brewer 1398 Siskiyou Mt. Shasta Comment
  UC195509  Carex subfusca Geo. D. Butler 1910-5-29 1426 Siskiyou near Yreka Comment
  UCD140910  Carex subfusca A. A. Heller 1920-6-24 13390 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC115852  Carex subfusca William Bridge Cooke 1940-8-8 15540 Siskiyou Along the upper Squaw Valley Creek in a meadow-like area fed by springs. 1737 Comment
  POM81966  Carex subfusca Geo D. Butler 1910-5-29 1426 Siskiyou Slough near Yreka. Comment
  SEINET13260545  Carex subfusca P. E. Hyatt 2002-7-31 11135 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  UC1265469  Carex vesicaria var. major Frederick W. Oettinger 1968-9-4 693 Siskiyou Salmon Mountains, high lake basins in the vicinity of English Peak Marble Mountain wilderness area, along west shoreline of Abbott's Lake; white Fir Forest-Red Fir forest transition area 1722 Comment
  CAS-BOT-BC59705  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou N. side of White Mt., Siskiyou Mts. Mt. Diablo Mer. 1828 Comment
  UC1951314  Cassiope mertensiana Robert F. Thorne and Fred Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of diamond Lake. Comment
  HSC30461  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, inlet stream to Little Hancock Lake 2043 Comment
  HSC86455  Castilleja affinis D. K. Imper Jun 1989 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2287 Comment
  HSC58882  Castilleja applegatei Marvin Butler 1971-7-13 121 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  HSC69119  Castilleja applegatei Maralyn A. Renner 1980-8-7 2389 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC63263  Castilleja applegatei M. A. Baker 1979-7-31 1101 Siskiyou Johnson's Hunting Grounds, near border of wilderness Comment
  CAS-BOT-BC241142  Castilleja applegatei subsp. pinetorum Donald Myrick 1961-6-19 267 Siskiyou Near Mt. Shasta City Comment
  HSC77352  Castilleja applegatei subsp. pinetorum L. P. Janeway 1983-8-7 518 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  JEPS23766  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6785 Siskiyou a little above and e McBride Springs (s slopes of Mt. Shasta); Mt. Shasta 1432 Comment
  JEPS57395  Castilleja applegatei subsp. pinetorum L. R. Heckard with T. I. Chuang 1968-7-2 1970 Siskiyou n side Mt. Shasta (at fork in Bolam road) 1463 Comment
  POM44685  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC383123  Castilleja arachnoidea Andrew Townesmith; Karen M. Meyer 2007-7-30 869 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
  JEPS84015  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  UC705755  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-4 2190 Siskiyou ridge above Head of Brewer Creek (e side of Mt. Shasta); Mt. Shasta Comment
  HSC61964  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak 2073 Comment
  RSA249713  Castilleja arachnoidea Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  CAS-BOT-BC32639  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  HSC76698  Castilleja glandulifera K. T. Stillman 1976-8-9 218 Siskiyou Marble Mtn. Wilderness area 2134 Comment
  UC164373  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  RSA104156  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou Laird's Ranch, south end of Lower Klamath Lake. Comment
  CAS-BOT-BC254108  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  CAS-BOT-BC253614  Castilleja miniata Annie M. Alexander; Louise Kellogg 1949-7-20 5811 Siskiyou Paradise Lake, Marble Mountains, on slope above lake 1920 Comment
  CAS-BOT-BC241052  Castilleja pilosa Alice Eastwood 1921-7-28 10888 Siskiyou Medicine Lake Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  NY68148  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Comment
  UC1037203  Castilleja pruinosa Leo Whitney 1934-6-17 1552 Siskiyou canyon side Mt. Shasta 2590 Comment
  UC164434  Castilleja pruinosa Geo. D. Butler 1909-5-30 757 Siskiyou Humbug Mountain Comment
  UC705595  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou nw of Yreka (w of Craggy Mountain) Comment
  HSC76870  Castilleja pruinosa K. T. Stillman 1976-9-9 468 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  CAS-BOT-BC47943  Ceanothus Roxana S. Ferris; Laura Lorraine 1948-6-12 11850 Siskiyou 1.5 miles below summit, east side, of Gazelle Mt. grade. 1417 Comment
  CAS-BOT-BC48655  Ceanothus cordulatus Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  HSC45163  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2956 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC96808  Ceanothus integerrimus S. Lyon 2006-6-9 5 Siskiyou E side of Eddy Gulch, 3 mi S of the intersection with Sawyers Bar Rd. 915 Comment
  UC375368  Ceanothus integerrimus Geo. D. Butler Jun 22 1908-Jul 12 1908 411 Siskiyou Humphrey Mountain Comment
  CAS-BOT-BC51170  Ceanothus leucodermis C. G. Pringle August 13 s.n. Siskiyou unspecified 914 Comment
  CAS-BOT-BC53093  Ceanothus prostratus Roxana S. Ferris; Laura Lorraine 1948-6-12 11737 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC53099  Ceanothus prostratus Elmer I. Applegate 1935-6-8 9422 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UCD112668  Ceanothus prostratus C. L. Schmidt 1990-6-22 1266 Siskiyou 4 mi. E of Dana on A19 (Mac Arthur Road) to Spring Creek Rd. then 5.2 mi up Spring Creek Rd. then ca. 1.5 mi on jeep road near Timbered Crater. 1005 Comment
  CDA35686  Ceanothus prostratus T. C. Fuller 1962-6-11 8949 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  CAS-BOT-BC52171  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn road Comment
  CAS-BOT-BC53031  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC63157  Ceanothus velutinus Miss Kilbourn 1923-7-1 1214 Siskiyou Near Sisson. Comment
  CAS-BOT-BC63200  Ceanothus velutinus Alice Eastwood 1921-7-28 10890 Siskiyou Little Mt. Hoffman. Comment
  OBI10323  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  RSA3390  Ceanothus velutinus Carl B. Wolf 1931-9-3 2395 Siskiyou 1 miles W of summit of grade on road from Mt Shasta City to Mccloud. 1220 Comment
  SEINET5339428  Ceanothus velutinus G. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC52806  Ceanothus velutinus var. velutinus Brandegee 2 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CAS-BOT-BC52849  Ceanothus velutinus var. velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou Ridge betw. upper reaches of China and Blind Horse Creek Comment
  UC618737  Ceanothus velutinus var. velutinus W. Bridge Cooke 1938-6-17 11022 Siskiyou Sisson Southern Trail Mount Shasta Comment
  SEINET13331149 Image available Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adjacent lawn of ranch house and rangeland, W.H. Kerr, Flying K Ranch, upper Quartz Valley, 2 mi. S. of Mugginsville Comment
  UCR242095  Centaurea solstitialis Steve B. Orloff 2011-1 SQK 472276 S1-D Siskiyou property along the Klamath River 213 Comment
  CAS-BOT-BC489620  Centaurea solstitialis Steve Orloff 2011-9-1 SQK 472276 S1-D Siskiyou From a property along the Klamath River Comment
  CDA38008  Centaurea squarrosa CDFA Staff 1991-1 s.n. Siskiyou Hawkinsville. 0 Comment
  OBI54096  Centaurea stoebe subsp. micranthos David J. Keil 1992-7-20 23500 Siskiyou Klamath NF, SW of Fort Jones. 1 mi N of Kelsey crk along Scott River Rd 800 Comment
  HSC14  Cerastium arvense William J. Ferlatte 1966-6-22 96 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC384983  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CAS-BOT-BC384986  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CDA3352  Cerastium dichotomum C. S. Giebner 1963-4-3 Siskiyou Chili Hammond property, halfway between Yreka and Montague. 0 Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  HSC68106  Cerastium fontanum subsp. vulgare J. P. Smith 1973-5-5 6499 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  RSA240103  Cerastium fontanum subsp. vulgare Frederick W. Oettinger 1969-8-9 1321 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott s upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  UC718144  Cercocarpus betuloides var. betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 mi from Oak Knoll Ranger Station (on Klamath River, on road to Dry Lake Lookout); Siskiyou Mountains, Klamath River 1066 Comment
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Mar 29 2012
  RSA449453  Cercocarpus ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Summit of Sterling Mt. 2128 Comment
  SBBG27254  Cercocarpus ledifolius var. intermontanus L. C. Wheeler 1934-9-5 3246 Siskiyou summit of Sterling Mtn 2127 Comment
  CAS-BOT-BC148532  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  SEINET6921078  Cercocarpus montanus var. glaber M. K. Solecki, J. B. Taft 1986-9-9 2150 Siskiyou About 15 miles southwest of Grenada, near lava tube cave. Comment
  POM208295  Chaenactis carphoclinia L. C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  CAS-BOT-BC276782  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Between Squaw Valley Creek and Mud Creek Canyon Comment
  UC472229  Chaenactis douglasii var. douglasii Annie M. Alexander and Louise Kellogg 1911-8-14 318 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC276763  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-1-1 3867 Siskiyou Top of Redshale Mountain, E of Medicine Lake 2438 Comment
  CAS-BOT-BC106044  Chaenactis suffrutescens Louis C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley 883 Comment
  CAS-BOT-BC85660  Chamaecyparis lawsoniana W. R. Dudley 1901-8-16 s.n. Siskiyou Salmon Mountains Comment
  HSC101477  Chamaecyparis lawsoniana J. P. Smith, J. O. Sawyer 2011-7-21 13029 Siskiyou Forest Service Road 14N03 to Flint Valley 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
  SEINET13289857 Image available Chamaecyparis lawsoniana C. G. Pringle 1882-1 Siskiyou Siskiyou County Comment
  CHSC4549  Chamaesaracha nana J. E. Bowlin 1967-7-18 54 Siskiyou On bank beside the road, 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  UC164158  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 70 Siskiyou dry falls near Yreka Comment
  CAS-BOT-BC166097  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou Near Black Butte north of Sisson 1127 Comment
  JEPS43908  Chamerion angustifolium subsp. circumvagum Geo. D. Butler 1908-8-2 158 Siskiyou Bottom's Camp Shackelford Creek 1219 Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  JEPS355  Cheilanthes gracillima Geo. D. Butler 1910-7-12 1754 Siskiyou Shackelford Creek Shackelford Creek Comment
  SEINET3166359  Cheilanthes gracillima P. J. Alexander 2009-4-7 992 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  CAS-BOT-BC68209  Cheilanthes gracillima W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  RSA120811  Cheilanthes gracillima G. D. Barbe 1955-7-9 156 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  SJSU15098  Chenopodium rubrum C. W. Sharsmith 1992-9-17 9245 Siskiyou 1225 Comment
  CAS-BOT-BC94551  Chimaphila umbellata R. C. Wenk 2006-9-2 553 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  HSC19017  Chimaphila umbellata J. O. Sawyer 1969-7-23 1163 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC19324  Chimaphila umbellata J. O. Sawyer 1968-6-18 172 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC637049  Chimaphila umbellata Edward Lee 1934-8-13 1086 Siskiyou watershed of W. Branch Indian Creek (Happy Camp-Waldo (Oregon) Rd.); Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  UCD77530  Chimaphila umbellata Robert E. Preston 2001-8-26 1760 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1883 Comment
  UCR52373  Chimaphila umbellata Barry Silver 1986-5-24 621 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  HSC96818  Chimaphila umbellata S. Lyon, J. McIntire 2006-6-25 22 Siskiyou On FS Rd. 39N35, 0.26 mi. SE of intersection with FS Rd. 39N27 1341 Comment
  JEPS58868  Chimaphila umbellata W. L. Jepson 1902-7-22 2088 Siskiyou trail from Salmon Forks (Salmon Summit); Western Siskiyou, Salmon Summit 1371 Comment
  RSA605356  Chimaphila umbellata subsp. occidentalis L. C. Wheeler 1959-7-25 7596 b Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA467022  Chimaphila umbellata subsp. occidentalis M. B. Dunkle 1944-8-25 9170 Siskiyou Hungry Creek. 1829 Comment
  SEINET6976053  Chimaphila umbellata subsp. occidentalis Unknown 1986-9-13 2156 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction; near Marble Mountain Wilderness. Comment
  CAS-BOT-BC252662  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird, Mount Shasta Comment
  POM267300  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  CAS-BOT-BC36400  Chrysolepis sempervirens Alice Eastwood 1912-9-1 s.n. Siskiyou Mount Shasta Comment
  CHSC617  Chrysolepis sempervirens V. Holt 1939-7-1 Siskiyou Mt. Shasta City. 1097 Comment
  HSC4936  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 332 Siskiyou 1646 Comment
  UC618841  Chrysolepis sempervirens unknown 1938-7-22 11330 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CDA14222  Chrysothamnus nauseosus subsp. albicaulis G. F. Hrusa 1997-9-18 14104 Siskiyou Summit of Pass between Calahan & Gazelle, W of Mountain House. Comment
  CAS-BOT-BC100855  Chrysothamnus viscidiflorus subsp. viscidiflorus S. F. Blake 1941-8-22 16205 Siskiyou in the Lava Park above Hotlum Station, north side of Mt. Shasta 1676 Comment
  CAS-BOT-BC100859  Chrysothamnus viscidiflorus subsp. viscidiflorus Ynez Winblad 1936-8-22 s.n. Siskiyou 22 miles se. of Weed 1463 Comment
  UC165249  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou near Oro Fino Comment
  CAS-BOT-BC190007  Cinna latifolia John Thomas Howell 1939-8-6 15094 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  HSC19003  Cinna latifolia J. O. Sawyer 1969-8-4 1806 Siskiyou Above Sugar Lake 2134 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  HSC19228  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1405 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC1483452  Circaea alpina subsp. pacifica Maralyn A. Renner 1980-6-24 1022 Siskiyou tributary stream to E. Fork Seiad Creek (where crossed by F.S. rd. 48N20); Klamath Nat'l Forest, Seiad Valley Quad. 1018 Comment
  HSC29133  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Marble Mtn. Wilderness Area, near Tom Tyler Cabin 2012 Comment
  CDA1027  Cirsium andrewsii M. R. Pryor 1950-7-26 s.n.-B Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC278051  Cirsium cymosum T. C. Fuller 1960-6-29 4644 Siskiyou Scott Mtn. road, 3.6 miles S/Callahan Comment
  CAS-BOT-BC32849  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  UC454287  Cirsium douglasii var. breweri I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC32806  Cirsium drummondii subsp. lanatum Alice Eastwood 1912-8-30 2054 a Siskiyou Mount Eddy Comment
  CDA1274  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -A Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  CDA1325  Cirsium occidentale var. candidissimum T. C. Fuller 1958-6-18 1793 Siskiyou 2 mi. W of town of Klamath River. Roadside Hwy 96 above river. Comment
  CDA1553  Cirsium remotifolium var. odontolepis F. D. Horn 1970-7-16 s.n. Siskiyou Salmon Mtns.; Callahan - Cecilville Rd., E of Carter Meadows, Klamath National Forest. Comment
  HSC92686  Cirsium scariosum Jennifer Whipple 1976-7-24 1559 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  CAS-BOT-BC286466  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CAS-BOT-BC286471  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  HSC75625  Cirsium scariosum J. O. Sawyer, R. J. Cole 1980-7-23 3907 Siskiyou S of Tennant 1524 Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CDA1609  Cirsium undulatum J. Massey 1988-7-7 s.n.-(A) Siskiyou East of Dorris, Glenn Butler property. 0 Comment
  CAS-BOT-BC285893  Cirsium vulgare W. B. Cooke; V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway, Mt. Shasta Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC228963  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3883 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228982  Cistanthe umbellata John Thomas Howell 1937-7-22 13297 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC228971  Cistanthe umbellata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  JEPS43670  Clarkia rhomboidea W. L. Jepson July, 1894 14420 Siskiyou Sisson Comment
  UC930719  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou n Sisson (near Black Butte) 1127 Comment
  HSC29137  Clarkia rhomboidea Frederick W. Oettinger, R. F. Thorne 1969-8-5 1212 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail 1677 Comment
  RSA448345  Clarkia rhomboidea Louis C. Wheeler 1934-6-2 2611 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  SEINET10689255  Clarkia rhomboidea H. E. Brown 1897-7-15 Brown 537 Siskiyou Southwest side Mt. Shasta. Altitude 5000-10000 feet. 1525 Comment
  CAS-BOT-BC439102  Claytonia cordifolia L. B. Kildale 1930-5-31 9740 Siskiyou Summit between Sawyers Bar and Etna Mills Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  JEPS69765  Claytonia rubra W. B. and V. G. Cooke 1972-6-30 45422 Siskiyou Military Pass Road; Mt. Shasta Comment
  CAS-BOT-BC443863  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  UC61062  Claytonia sibirica W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou McCloud River Mount Shasta (The Bend) Comment
  CAS-BOT-BC92764  Clematis ligusticifolia Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir. 609 Comment
  UC35092  Cleome platycarpa G. H. Chambers 1901-9-2 Siskiyou Montague Comment
  UC142134  Clintonia uniflora Mrs. Legge Aug. 1900 Siskiyou Warm Castle Comment
  JEPS23806  Collinsia linearis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7315 Siskiyou jeep rd between Poker Flat and Twin Valley between Poker Flat and Twin Valley, (ridge top marking Del Norte-Siskiyou County line); Siskiyou Mtns 1664 Comment
  SEINET13395184  Collinsia parviflora B. Byrne 1941-4-10 s.n. Siskiyou Sugar Creek. Comment
  HSC68488  Collinsia rattanii Maralyn A. Renner 1980-6-9 843 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC164260  Collinsia rattanii Geo. D. Butler 1911-7-9 758 Siskiyou Humbug Road between Yreka and Humbug; Humbug Road Comment
  RSA412242  Collinsia torreyi Louis C. Wheeler 1935-4-17 3423 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  HSC4799  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 193 Siskiyou Caribou Basin 1982 Comment
  RSA409250  Collomia diversifolia M. B. Dunkle 1944-7-15 9105 Siskiyou Siskiyou National Forest Comment
  HSC44931  Collomia grandiflora J. O. Sawyer 1978-6-19 3252 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  CDA40001  Collomia grandiflora R. P. Allen 1952-7-31 s.n. Siskiyou McCloud. 0 Comment
  RSA237937  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou between lily pond and Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  UC52508  Collomia tinctoria Harley P. Chandler 1901-6-1 1634 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  HSC77500  Collomia tinctoria L. P. Janeway 1983-8-6 510 Siskiyou At Poker Flat, E side of meadow 1524 Comment
  CAS-BOT-BC180423  Comandra umbellata subsp. californica Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  JEPS41828  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek 1158 Comment
  RSA273385  Conyza canadensis J. P. Smith, J. O. Sawyer 1972-9-14 5806 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  UCD13229  Corallorhiza maculata Clyde byfield 1973-6-28 S 218 Siskiyou Klamath National Forest, beside Kidder Creek Trail, U.S.F.S. trail 11W23. 4 miles west of end of Kidder Creek Road. 1524 Comment
  HSC29150  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Salmon Mountains, across meadow from base camp, Hancock Lake 1951 Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  SBBG100088  Cordylanthus tenuis subsp. viscidus G. T. Robbins, C. L. Custer 1954-8-13 4795 Siskiyou lower part of grade over Scott Mtn, on rd from Callahan to Carrville, 1.2 mi above (and S of) jct with Gazelle Rd 1097 Comment
  CAS-BOT-BC212283  Cornus glabrata L. R. Short 1933-6-8 126 Siskiyou Bank of Klamath River, Klamath Forest 701 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
  JEPS50169  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek 1219 Comment
  UC165290  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek Comment
  SEINET6976042  Cornus nuttallii Unknown 1986-9-13 2155 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  CAS-BOT-BC210394  Cornus sericea Doris K. Kildale 1929-7-20 8665 Siskiyou Trail for Elk Lick to Raspberry Lake near east spur Preston Peak 1828 Comment
  CAS-BOT-BC210471  Cornus sericea subsp. occidentalis Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  JEPS50180  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek 1219 Comment
  UC164271  Corylus californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC180200  Corylus cornuta subsp. californica Alice Eastwood 1923-5-29 12005 Siskiyou Cantara Comment
  CAS-BOT-BC180205  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  POM106653  Corylus cornuta var. californica Geo. D. Butler 1909-3-21 564 Siskiyou Oro Fino Hills. Comment
  POM208197  Crataegus suksdorfii Louis C. Wheeler 1934-6-27 2804 Siskiyou Siskiyou Mountains : Cottonwood Creek. 884 Comment
  POM356326  Crepis acuminata M. B. Dunkle 1945-8-6 9329 Siskiyou Big ridge, Marble Mountain Comment
  UC346588  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  UC163909  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  UC581274  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1930 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  JEPS36407  Crepis occidentalis W. L. Jepson 1940-6-23 19981 Siskiyou hillslope e Montague 822 Comment
  UC581300  Crepis occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2441 Siskiyou stream bank 2 1/2 mi ne Fort Jones (along hwy to Yreka) 850 Comment
  CAS-BOT-BC376493  Crepis occidentalis subsp. conjuncta Lewis S. Rose 1937-7-3 37388 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  SEINET2142064 Image available Crepis occidentalis subsp. conjuncta Unknown 1644 Siskiyou Marble Mountain 2440 Comment
  HSC44385  Crepis occidentalis subsp. occidentalis M. A. Baker 1977-5-22 321 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  CAS-BOT-BC290842  Crepis occidentalis subsp. pumila Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  CAS-BOT-BC290880  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  UC166184  Crocidium multicaule Geo. D. Butler 1909-3-7 553 Siskiyou drylands near Yreka Comment
  UC1409420  Cryptantha affinis Frederick W. Oettinger 1969-7-11 991 Siskiyou Mt. Chaparral, near the spring along English Lake-Diamond Lake Trail, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1897 Comment
  CDA40516  Cryptantha flaccida L. Ahart, John Dittes 2005-6-9 12022 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  HSC46232  Cryptantha flaccida Jennifer Whipple 1978-6-5 2344 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC133720  Cryptantha simulans A. A. Heller 1905-6-15 8035 Siskiyou near Sisson Comment
  SD76175  Cryptogramma cascadensis Helen V. Witham 1969-10-9 611 Siskiyou Panther Meadow, Mt. Shasta 2400 Comment
  CAS-BOT-BC70534  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80537  Cupressus bakeri O. V. Matthews 1939-7-19 39 Siskiyou N.E. slope of [Goose Nest] Goosenest 1828 Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  POM264954  Cupressus bakeri O. V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, Goose Nest Region 1524 Comment
  POM264956  Cupressus bakeri O. V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green region 1067 Comment
  UC1321452  Cupressus bakeri C. O. Stone 1964-6-6 COS 286 Siskiyou recent lava flow n of Timbered Crater (on old jeep trail to Gassaway Reservoir); Fall River Mills Quad. 1097 Comment
  SEINET10834035  Cupressus bakeri John Thomas Howell 1934-7-4 Howell 12386 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley. Comment
  SEINET11052424  Cupressus bakeri D. Charlet, T. Charlet 1996-11-25 2344 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey station. 683 Comment
  SEINET8253674  Cupressus bakeri Frank Callahan, John Erwin 1998-8-8 Siskiyou Goosenest Mtn. GrassLake 7.5' Quad; south of Ball Mtn./Little Shasta Rd.; (uphill south of Smith's Sawmill [Historical]). 1676 Comment
  JEPS24621  Cupressus lawsoniana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6774 Siskiyou on river bank directly opposite Mossbrae Falls (between Shasta Retreat and Shasta Springs); Sacramento River 731 Comment
  JEPS85596  Cuscuta howelliana W. Robert Powell 1989-7-19 3533 Siskiyou 16 air mi n Fall River Mills (and 6 air mi w of Day, Modoc County, 1.2 mi e of Springs Creek Rd); Timbered Crater 7.5' Quad. 1097 Comment
  JEPS48635  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  SD104868  Cynoglossum occidentale Darley Howe 1979-6-26 5103 Siskiyou Military Pass Road, 19 miles east of Highway 97. 1769 Comment
  UC164134  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  CAS-BOT-BC114775  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  CAS-BOT-BC114150  Cyperus squarrosus Carl B. Wolf 1927-8-26 1087 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  HSC58994  Cypripedium californicum G. L. Clifton 1975-7-28 5360 Siskiyou Near Elk Meadow, close to the town of Seiad Valley 1634 Comment
  HSC66257  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
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Jun 7 2012
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC19007  Cystopteris fragilis J. O. Sawyer 1969-7-16 1117 Siskiyou NE facing slope above Siphon Lake 2226 Comment
  HSC26704  Cystopteris fragilis William J. Ferlatte 1971-9-18 1381 Siskiyou Caribou Basin, Sawtooth Ridge 2378 Comment
  HSC29364  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  RSA237511  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Vernally moist dry meadows N.W. of upper English Lake. Salmon Mtns. High Lakes Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD136360  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave, Lava Beds National Monument. 1402 Comment
  RSA603759  Dactylis glomerata L. C. Wheeler 1935-6-30 3626 Siskiyou 3 mi. S [of] Yreka; dry roadside ditch 854 Comment
  HSC34136  Danthonia californica J. O. Sawyer 1969-8-5 1780 Siskiyou W of Little Duck Lake 2073 Comment
  UCD60991  Danthonia californica R. Tofsrud 1948-8-3 Siskiyou Poker Flat, near Del Norte Co. border. Comment
  UCD60722  Danthonia californica var. americana R. Tofsrud 1948-8-3 Siskiyou About 1 mi. SW of Happy Camp. Hwy 96. Comment
  JEPS121609  Danthonia intermedia Kendra Sikes 2011-9-14 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Flat wet meadow, over gabbro. China Mountain quadrangle. CLB_F Comment
  HSC19074  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-5 1753 Siskiyou W of Little Duck Lake 2073 Comment
  RSA120926  Danthonia unispicata Milo S. Baker, G. D. Barbe, H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mountains Comment
  POM83288  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta. Comment
  CAS-BOT-BC8952  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Summit of Salmon Mtn. Comment
  CAS-BOT-BC8753  Delphinium glaucum Annie M. Alexander; Louise Kellogg 1949-7-23 5851 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  JEPS23312  Delphinium glaucum Geo. D. Butler 1908-6-1 353 Siskiyou Whiskey Camp Marble Mountains, Independence Creek (w slope of mts) 1676 Comment
  CAS-BOT-BC10145  Delphinium menziesii L. R. Short 1933-5-22 54 Siskiyou Klamath National Forest 609 Comment
  CAS-BOT-BC9889  Delphinium nudicaule Elmer Ivan Applegate 1895-5-29 10 a Siskiyou Sisson Comment
  HSC24998  Delphinium nudicaule R. C. Wunner 1965-6-6 77 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  UCD77598  Delphinium nuttallianum Robert E. Preston 2001-6-23 1615 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  UC204781  Deschampsia danthonioides Geo. D. Butler 1908-6-25 477 Siskiyou along creek near Yreka (Butler's Ranch); Butler's Ranch Comment
  HSC39862  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  RSA126058  Deschampsia elongata I. L. Wiggins 1955-7-22 13449 Siskiyou Gravel bar in S Fork of Salmon R, 9.5 mi. above Cecilville 1067 Comment
  CAS-BOT-BC201932  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  CAS-BOT-BC65374  Descurainia incana R. C. Wenk 2005-7-15 232 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. 1828 Comment
  SEINET7073596  Descurainia incisa A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC43267  Descurainia pinnata subsp. glabra R. E. Frenkel 1963-7-13 257 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RailRoad crossing near Mount Shasta. 1176 Comment
  CHSC33173  Descurainia pinnata subsp. halictorum R. E. Preston 1981-5-2 57 Siskiyou S side of Irongate Reservoir, ca. 32 km ne of Yreka. 732 Comment
  UC1034067  Descurainia sophia unknown 1941-7-11 16044 Siskiyou vicinity MacBride Springs (along the Memorial Highway); Mount Shasta Comment
  JEPS14815  Descurainia sophia W. L. Kleaver 1919-5-16 1 Siskiyou Comment
  RSA297039  Dicentra formosa subsp. formosa John F. Emmel 1974-7-19 516 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  RSA297053  Dicentra formosa subsp. formosa John F. Emmel 1974-7-20 520 Siskiyou Meadow 0.6 air mile SE of Dry Lake Lookout, Siskiyou Mountains. 1890 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
  UCD150605  Dicentra pauciflora Rolf Y. Berg 1964-7-3 8204 Siskiyou Soapstone Trail, in Castle Crags area. Comment
  UCD139161  Dichelostemma ida-maia Louis K. Mann 1963-7-5 s.n. Siskiyou South Russian Creek, around 3 miles (airline) east of Finley Camp, Salmon Mountains. Comment
  HSC33991  Dichelostemma multiflorum J. P. Smith 1974-5-25 7499 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC291004  Dieteria canescens var. shastensis Robert F. Thorne; Fred Oettinger 1969-8-10 39003 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  UC1286474  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1963-7-12 34333 Siskiyou along Memorial Highway (Mt. Shasta); Mt. Shasta 1371 Comment
  UC303520  Dieteria canescens var. shastensis Geo. B. Grant 1902-9-7 5111 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC153730  Diplacus nanus John Thomas Howell 1939-8-3 14997 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC153735  Diplacus nanus Carl B. Wolf 1934-7-5 5963 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  SEINET185054 Image available Diplacus nanus C. L. Hitchcock, J. S. Martin 1939-1 5318 Siskiyou Between King's Castle and Black Mountain, west side of ridge. 1829 Comment
  CAS-BOT-BC153739  Diplacus nanus W. B. Cooke; V. G. Cooke 1966-7-16 37213 Siskiyou Above Hotlum Station, Mt. Shasta 1676 Comment
  SEINET4170351  Disporum hookeri Unknown 1921-9-14 Siskiyou Siskiyou Comment
  JEPS107661  Distichlis spicata Lowell Ahart, John Dittes 2005-6-9 12004 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
  SEINET10929825  Distichlis spicata var. stricta George D. Butler 1910-8-21 Butler 1844 Siskiyou Saline flats, Shasta Valley. Comment
  CHSC1391  Dodecatheon alpinum V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2590 Comment
  HSC92946  Dodecatheon alpinum Jennifer Whipple 1976-6-12 972 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  SEINET4904065 Image available Dodecatheon alpinum Unknown 1991-5-27 s.n. Siskiyou Klamath National Forest, Poker Flats. West Branch (2200 ft) a Forest Service Camp Ground or Poker Flats (5200 ft) a high mountain meadow. 671 Comment
  UC1037375  Dodecatheon alpinum Douglas Barbe 1955-7-6 126 Siskiyou se end of Taylor Lake , se end of Taylor Lake (Salmon Mountains) 1950 Comment
  UCD119026  Dodecatheon jeffreyi J. M. Tucker 1974-7-28 4307 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  JEPS29151  Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou 2.7 mi sw California-Oregon border (at the side of Dorris-Beswick road) Comment
  HSC59900  Draba howellii D. L. Goforth 1979-7-19 248 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  JEPS53503  Draba howellii Geo. D. Butler 1908-8-8 33 Siskiyou Marble Valley 1676 Comment
  CAS-BOT-BC41318  Draba pterosperma Harley Pierce Chandler 1901-6-1 1654 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  JEPS18871  Draperia systyla Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5965 Siskiyou Canyon at the headwaters of the South Fork of Sacramento River, about 3.5 miles below southwest of the town of Mt. Shasta [formerly Sisson] 1371 Comment
  UCD35436  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  CAS-BOT-BC438787  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Marble Mountain Wilderness. Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC68983  Drymocallis glandulosa Maralyn A. Renner 1980-7-24 2001 Siskiyou Lily Pad Lake 1768 Comment
  JEPS47209  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Comment
  UC165739  Drymocallis lactea var. austiniae Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC159290  Drymocallis lactea var. lactea K. T. Stillman 1976-9-9 476 Siskiyou N & NE & E side of Black Mtn., Marble Mountain Wilderness Area Comment
  CAS-BOT-BC159295  Drymocallis lactea var. lactea Alice Eastwood 1921-7-28 10901 Siskiyou Medicine Lake Comment
  HSC132  Drymocallis lactea var. lactea William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin 1982 Comment
  HSC58950  Drymocallis lactea var. lactea Marvin Butler 1979-7-8 66 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC545672  Drymocallis rhomboidea Louis C. Wheeler 1934-6-18 2732 Siskiyou West Fork Cottonwood Creek Siskiyou Mts., West Fork Cottonwood Creek 1432 Comment
  HSC65322  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4438 Siskiyou 915 Comment
  HSC9662  Echinochloa crus-galli C. B. Wolf 1927-8-26 994 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UCD169261  Elaeagnus angustifolia T. Bruchman 1978-7-1 299 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  OBI80338  Elatine chilensis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  RSA238954  Eleocharis acicularis var. acicularis Frederick W. Oettinger 1968-9-3 673 Siskiyou North side of Horse Range Lake. Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1822 Comment
  CAS-BOT-BC113319  Eleocharis montevidensis David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr head of Yreka Creek at first spring. 1127 Comment
  CAS-BOT-BC113106  Eleocharis obtusa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  CHSC106361  Eleocharis rostellata Lowell Ahart; John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Spring Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC106104  Elodea canadensis Lowell Ahart; John Dittes 2010-7-30 16964 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
  CAS-BOT-BC451558  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat 518 Comment
  CAS-BOT-BC227126  Elymus Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  POM359909  Elymus X hansenii M. B. Dunkle 1945-1 9321 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC103026  Elymus caput-medusae J. P. Smith 2014-6-7 13884 Siskiyou Yreka 844 Comment
  UC1024954  Elymus elymoides subsp. elymoides Leo Whitney 1935-6-25 3308 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UC1265446  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou at junction of trail to English Peak and trail to Uncle's Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  HSC25414  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5661 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC69216  Elymus elymoides var. elymoides Maralyn A. Renner 1980-7-24 2088 Siskiyou Lily Pad Lake 1768 Comment
  HSC76951  Elymus elymoides var. elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  RSA238401  Elymus glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou North end of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC206595  Elymus glaucus subsp. glaucus L. P. Janeway 1983-9-11 682 Siskiyou Poker Falt, Siskiyou Mountains 1524 Comment
  CAS-BOT-BC206599  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC206601  Elymus glaucus subsp. glaucus David D. Keck 1949-7-19 6355 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, near head of Yreka Creek at firest spring Serpentine outcropping here. 1127 Comment
  SJSU11311  Elymus hispidus S. H. Casey 1981-7-2 1204 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
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Jul 10 2014
  CAS-BOT-BC235218  Elymus multisetus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mile north of Weed Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  HSC68507  Elymus spicatus Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  UCD62613  Elymus stebbinsii subsp. septentrionalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3406 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC204305  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  CHSC91356  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2005-6-10 12077 Siskiyou On the north side of the Shasta River, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC392233  Enemion stipitatum Geo. D. Butler 1909-2-28 584 Siskiyou Unspecified Comment
  CAS-BOT-BC165905  Epilobium Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo Summit, Trinity Mts. 1889 Comment
  POM248138  Epilobium anagallidifolium W. Bridge Cooke 1939-8-24 13902 Siskiyou Mount Shasta: West branch of Squaw Valley Creek in the Heather Meadow. Comment
  RSA31203  Epilobium brachycarpum W. Bridge Cooke 1940-7-12 15331 Siskiyou Along the Memorial Highway 1372 Comment
  RSA126051  Epilobium ciliatum subsp. ciliatum I. L. Wiggins 1955-7-22 13450 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UC164342  Epilobium ciliatum subsp. glandulosum Geo. D. Butler 1908-8-2 159 Siskiyou below Bottom's Camp; Shackleford Creek Comment
  UCD77622  Epilobium ciliatum subsp. glandulosum Robert E. Preston 2001-7-20 1696 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1755 Comment
  HSC213  Epilobium hallianum William J. Ferlatte 1966-6-22 95 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC91954  Epilobium hallianum Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC43866  Epilobium minutum Maralyn O'Meara 1974-5-25 377 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC49634  Epilobium minutum J. P. Smith 1973-5-5 6451 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  JEPS39209  Epilobium minutum Geo. D. Butler 1909-4-26 612 Siskiyou Oro Fino Comment
  CDA38114  Epilobium minutum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2649 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  RSA458714  Epilobium minutum Christopher Davidson 1975-6-5 2665 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-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  JEPS39223  Epilobium siskiyouense Geo. D. Butler 1908-8-5 46 Siskiyou summit above Cold Spring; Woolly Creek Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  SEINET192292 Image available Equisetum hyemale W. B. Cooke 1941-8-28 16227 Siskiyou Near the Big Squaw Valley Creek spring above McCloud Mt Shasta 1464 Comment
  CAS-BOT-BC57235  Equisetum laevigatum Alice Eastwood 1923-5-22 11885 Siskiyou Sisson Comment
  HSC36221  Equisetum laevigatum John Rehling 1974-8-24 40 Siskiyou Along Hwy. 3, 1.5 mi. N of Fort Jones Comment
  RSA86785  Eragrostis mexicana subsp. virescens L. C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River; Mt Diablo Mer; Siskiyou Mts. 671 Comment
  CHSC36187  Eriastrum signatum K. Bridwell 1978-7-5 166 A Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  CAS-BOT-BC286693  Ericameria bloomeri Wm. Bridge Cooke 1938-9-17 11687 Siskiyou Mount Shasta. Horse Camp Comment
  CAS-BOT-BC286710  Ericameria bloomeri Elmer I. Applegate 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  JEPS19232  Ericameria bloomeri W. L. Jepson 1940-7-3 20098 Siskiyou se Siskiyou County; Bartle 1188 Comment
  UC1188089  Ericameria bloomeri Philip A. Munz 1960-8-22 24172 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2286 Comment
  UC31093  Ericameria bloomeri W. H. Brewer 1862-9-16 1415 Siskiyou Mount Shasta; ; Mt. Shasta 1828 Comment
  UCD131319  Ericameria bloomeri Joseph M. DiTomaso 1976-9-7 686 Siskiyou Big Flat. Trinity Alps. 1524 Comment
  SEINET5709305 Image available Ericameria bloomeri J. Semple, B. Semple 1981-1 5712 Siskiyou Mt. Shasta, A 10.; Shasta 1524 Comment
  CAS-BOT-BC287490  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou E side, Mt Eddy 1889 Comment
  CAS-BOT-BC287502  Ericameria greenei E. B. Copeland 1903-9-8 3868 Siskiyou Mt Eddy 1767 Comment
  JEPS97193  Ericameria greenei Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95033 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  HSC76861  Ericameria nauseosa var. speciosa K. T. Stillman 1976-9-9 482 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  SEINET5708362 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7695 Siskiyou Scott Mts., collected along road 17, 8.8 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UC205552  Ericameria nauseosa var. speciosa H. M. Hall 1919-10-3 10985 Siskiyou near Yreka Hills Comment
  UC1540155  Ericameria parryi var. latior Dean Wm. Taylor and Glenn L. Clifton 1987-8-6 9249 Siskiyou near Bartle (road to Medicine Lake from Highway 89) 1389 Comment
  CHSC36118  Erigeron K. Bridwell 1978-7-6 169 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  CAS-BOT-BC293505  Erigeron aliceae Doris K. Kildale 1928-8-20 6616 Siskiyou Hancock Lookout, on trail to Marble Mt., B.M. 2151 Comment
  HSC69305  Erigeron aliceae Maralyn A. Renner 1980-7-24 1984 Siskiyou Pacific Crest Trail above Lily Pad Lake 1799 Comment
  SD249139  Erigeron aliceae David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Moutains. Klamath National Forest. Rye Patch Creek Trail. 1700 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
  UC160448  Erigeron bloomeri var. nudatus I. J. Condit 1911-7-28 Siskiyou summit of ridge from Castle Lake to Mt. Bradley Comment
  UC1409465  Erigeron cervinus F. W. Oettinger 1968-8-23 608 Siskiyou rock-crevices on Shasta Ridge, se of Diamond Lake; Salmon Mts., English Peak area, Red Fir Forest 2072 Comment
  CAS-BOT-BC296125  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  HSC29194  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou Summit of English Peak 2229 Comment
  HSC19478  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-3 1781 Siskiyou Near Little Duck Lake 2073 Comment
  CAS-BOT-BC295387  Erigeron inornatus L. E. Smith 1914-7-6 749 Siskiyou Sisson Comment
  JEPS109824  Erigeron inornatus var. calidipetris Dean W. Taylor 2005-7-13 19396 Siskiyou Big Sand Flat (ca. 8 air miles N of Bartle on Highway 89), along Forest Road 40N17 road leaving SW corner of the flat 1402 Comment
  HSC5519  Erigeron klamathensis Lauramay T. Dempster 1961-7-1 1832 Siskiyou Slope SE of White Mtn. Comment
  JEPS41494  Erigeron klamathensis W. L. Jepson 2071 Siskiyou rocky cliffs on the knife's edge the ridge; Western Siskiyou, Devil's Backbone Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  HSC92776  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-4 2155 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  RSA792296  Erigeron petrophilus var. viscidulus Rebecca Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  JEPS24438  Erigeron pumilus var. intermedius G. Thomas Robbins 1959-6-10 4041 Siskiyou 4 mi s Gazelle (U.S. Highway 99); Shasta Valley 914 Comment
  HSC92398  Erigeron tener Jennifer Whipple 1977-8-5 2193 Siskiyou Near Little Crater Lake 2195 Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  UC1211908  Eriodictyon californicum Roy L. Taylor 1960-6-12 4447 Siskiyou 1 mi w of jtn of Hwy 96 (Klamath River Rd.) and Hwy 99 n Yreka (above Klamath River); above Klamath River Comment
  CAS-BOT-BC255434  Eriogonum alpinum Peter H. Raven 1956-9-4 10405 Siskiyou South side of Mt. Eddy 2682 Comment
  HSC35112  Eriogonum compositum var. compositum J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS82707  Eriogonum compositum var. compositum Wayne Roderick 1984-6-6 Siskiyou 1 mi n on Highway 3 Callahan Comment
  UC163876  Eriogonum compositum var. compositum Geo. D. Butler 1908-8-6 201 Siskiyou Whiskey Camp Independence Creek, Whiskey Camp Comment
  HSC30408  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-9-6 748 Siskiyou Marble Mtn. Wilderness area, ridge trail E of Tom's Lake 2104 Comment
  JEPS98387  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its jct. with Kangaroo Lake Road 1737 Comment
  SEINET5329119  Eriogonum diclinum J. L. Reveal, Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40801), 0.5 mi west of Dry Lake Lookout near the Buckthorn Trail, in open places on the upper slopes 2042 Comment
  UC375311  Eriogonum elatum Geo. D. Butler 1908-8-4 210 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  JEPS84299  Eriogonum elatum var. elatum L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6331 A Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 air mi from Red Butte) 1730 Comment
  CAS-BOT-BC33527  Eriogonum elatum var. villosum George Dexter Butler 1910-6-26 1606 Siskiyou Near Yreka Comment
  RSA756416  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Road, and just north of Jackson Ranch Road. Comment
  HSC30293  Eriogonum lobbii J. O. Sawyer 1970-8-5 2356 Siskiyou Near Caribou Lake 2073 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
  JEPS56733  Eriogonum marifolium W. L. Jepson 1940-6-28 20064 Siskiyou McCloud 975 Comment
  SBBG21292  Eriogonum marifolium D. Myrick 1964-7-25 960 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  CAS-BOT-BC269747  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 365 Comment
  HSC67753  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-21 3827 Siskiyou N of F.S. Road 44N01 near intersection with road to Lava Camp 1677 Comment
  UCD100723  Eriogonum nudum var. pubiflorum J. M. Tucker 1950-7-25 1953 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  RSA19313  Eriogonum nudum var. pubiflorum L. S. Rose 1937-7-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  CAS-BOT-BC252955  Eriogonum pyrolifolium var. pyrolifolium G. A. Coleman 1901-8-18 s.n. Siskiyou Head of Panther Creek, Mt. Shasta Comment
  CAS-BOT-BC252959  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1882-8-30 s.n. Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC267711  Eriogonum roseum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  JEPS82246  Eriogonum siskiyouense Roger Raiche 1983-8-14 30614 Siskiyou fell-field slope near summit of road to Mt. Eddy (<road> A.K.A. road to Dead Fall Meadow, Park Creek Rd. or Forest Rd. 42N17) 2133 Comment
  CAS-BOT-BC271963  Eriogonum sphaerocephalum var. halimioides M. K. Curran 1887-7-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC262753  Eriogonum strictum var. anserinum Elmer I. Applegate 1932-6-8 9441 Siskiyou Bear-paw [Bearpaw] Cave, Lava Beds National Monument Comment
  CAS-BOT-BC263384  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  JEPS93922  Eriogonum strictum var. proliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9407 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  JEPS56463  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Stones Hill Yreka Comment
  UC849749  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou n slope of Scott Mountains Scott Mountains 1676 Comment
  CAS-BOT-BC267953  Eriogonum umbellatum Isabelle C. Kimber 1934-6-9 25 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  HSC66394  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-22 3932 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  SEINET13710392  Eriogonum umbellatum Lowell William Ahart, Lowell William Ahart 1998-1 9320 Siskiyou Hwy. 97 at The 11 Mi. Marker 1.2 Mi. W of A12 NW of Weed (T43N, R4W, sec 35, NE 1/4) 3900 Ft. 1189 Comment
  JEPS74482  Eriogonum umbellatum var. argus W. J. Ferlatte 1966-8-2 240 Siskiyou wooded area near public camp (Big Flat); Trinity Alps, Big Flat 1524 Comment
  RSA12619  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
Read comments
Mar 29 2012
  UC163829  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  POM105092  Eriogonum umbellatum var. polyanthum Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest Foothills. 1524 Comment
  HSC36668  Eriogonum umbellatum var. speciosum Brent Whiteley 1975-7-5 142 Siskiyou 213 Comment
  RSA11905  Eriogonum umbellatum var. speciosum Elmer I. Applegate 1923-9-7 3961 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  CAS-BOT-BC262383  Eriogonum vimineum L. R. Abrams 1927-9-11 12144 Siskiyou Fork of Klamath and Shasta Rivers Comment
  POM105146  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Summer Fallow Fish near Yreka 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
  UC164458  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Comment
  HSC58860  Eriophorum crinigerum Marvin Butler 1971-7-8 69 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC300353  Eriophyllum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 8 Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  RSA105497  Eriophyllum lanatum Douglas Barbe 1955-7-26 264 Siskiyou NW slope of Scott Mt. 1829 Comment
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  CAS-BOT-BC301115  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301124  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-4 1279 Siskiyou Near Yreka Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  UC472272  Eriophyllum lanatum var. achilleoides H. W. Furlong Sep 1901 Siskiyou summit to Ager; Northern Siskiyou Co Comment
  POM30801  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1067 Comment
  CAS-BOT-BC301448  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-22 12438 Siskiyou Near Black Butte north of Sisson 1097 Comment
  CAS-BOT-BC308280  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  CAS-BOT-BC308285  Eriophyllum lanatum var. integrifolium John Thomas Howell 1939-8-2 14890 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC30611  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1414 Siskiyou Pierce's Draw, Horse Range Lake Trail 1738 Comment
  HSC58871  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-8-31 332 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  JEPS34742  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-20 298 Siskiyou head of Long Gulch (near Yreka) Comment
  OBI55483  Eriophyllum lanatum var. lanceolatum David J. Keil, Kathleen Keil 1992-7-21 23523 Siskiyou Klamath NF SE of Callahan on hwy 3, 0.8 mi NW of Scott Mtn summit Comment
  RSA50226  Eriophyllum lanatum var. lanceolatum E. K. Balls 1949-7-9 13933 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  UC165442  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  CAS-BOT-BC301717  Eriophyllum lanatum var. lanceolatum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CDA33622  Erysimum capitatum R. A. Price 2010-7-3 1655 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 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
  HSC97704  Erysimum capitatum var. capitatum Thomas W. Nelson, Jane Nelson 2006-7-1 9451 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  UC922602  Erysimum capitatum var. capitatum Annie M. Alexander and Louise Kellogg 1948-9-7 5594 Siskiyou on road between first fork to Lookouts and second fork to Lookouts; Siskiyou Mountains, Black Bear Summit Comment
  RSA238397  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-14 271 Siskiyou Near English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  UC536687  Erysimum perenne D. H. Johnson and F. G. Palmer 1935-7-2 Siskiyou 12 mi nw Happy Camp; Poker Flat 1524 Comment
  CHSC31215  Erythranthe breweri M. S. Taylor 1980-7-8 3103 Siskiyou On nw side of Castle Lake. 1615 Comment
  HSC67492  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-15 3941 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC68355  Eschscholzia californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River Comment
  HSC67862  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4045 Siskiyou Etna 897 Comment
  NY1085467  Eschscholzia confinis C. F. Baker 1903-7-2 3532 Siskiyou Klamathon Comment
  HSC61823  Eucephalus glabratus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC22122  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou Above South Sugar Creek 2134 Comment
  HSC62120  Eucephalus ledophyllus var. ledophyllus Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1890 Comment
  HSC69202  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2686 Siskiyou Bear Mtn. 1936 Comment
  JEPS31925  Eurybia radulina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento, Mt. Shasta Comment
  HSC102709  Festuca idahoensis J. P. Smith 2013-6-17 13742 Siskiyou Tennat-Bray. 1485 Comment
  HSC68574  Festuca idahoensis Maralyn A. Renner 1980-6-23 977 Siskiyou W Fork Seiad Creek 878 Comment
  UCD66151  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC437073  Fragaria vesca subsp. bracteata A. A. Heller 1916-6-20 12406 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  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-BC447519  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  HSC19400  Frangula californica J. O. Sawyer 1968-9-10 674 Siskiyou 1524 Comment
  CAS-BOT-BC60011  Frangula purshiana Lewis S. Rose 1925-7-25 s.n. Siskiyou Shasta Springs. Comment
  HSC27624  Frangula purshiana Carl W. Mize 1972-7-22 101 Siskiyou 884 Comment
  SBBG26935  Frangula purshiana subsp. purshiana D. K. Kildale 1928-7-25 Siskiyou Mack's Crk near Hamburg along Klamath River Comment
  CAS-BOT-BC59596  Frangula rubra subsp. rubra John Thomas Howell 1934-7-4 12402 Siskiyou Se. croner of Siskiyou Co. Comment
  SEINET8584493  Frasera albicaulis var. nitida L. C. Wheeler 1934-6-21 2742 Siskiyou Siskiyou Mountains, West Fork Cottonwood Creek. 1372 Comment
  CAS-BOT-BC223583  Fraxinus latifolia Carl B. Wolf 1927-8-26 998 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC502834  Fritillaria atropurpurea W. R. Dudley 1893-6-21 s.n. Siskiyou Near spring on Mount Shasta Comment
  HSC69734  Fritillaria atropurpurea Heidi Daetwyler 1981-5-18 1 Siskiyou Elk Flat, logged area, 11 mi. NE of McCloud 1524 Comment
  UC705736  Fritillaria atropurpurea Marion Ownbey, D. H. Brown 1941-6-25 2433 Siskiyou near Donomore Meadow (e end of Siskiyou Mountains, near the Oregon Line); Siskiyou Mountains Comment
  HSC78195  Fritillaria glauca L. P. Janeway 1983-7-3 366 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  UC375203  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  JEPS26667  Galium bolanderi Lauramay T. Dempster 1961-7-3 1876 Siskiyou se Callahan (w face of mt.); Scott Mtn. Comment
  JEPS6708  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek 1158 Comment
  UC163753  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou hill e Oro Fino Comment
  UC722297  Galium bolanderi C. L. Hitchcock and J. S. Martin 1939-7-7 5298 Siskiyou ca 15 mi n Happy Camp (on Happy Camp-Takilma Hwy) 914 Comment
  HSC90595  Galium glabrescens subsp. glabrescens Jennifer Whipple 1976-6-19 1062 Siskiyou Mt. Eddy, near Dobkins Lake 2073 Comment
  POM253613  Galium glabrescens subsp. glabrescens C. Leo Hitchcock, J. S. Martin 1939-7-6 5228 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  HSC75344  Galium grayanum var. grayanum J. O. Sawyer, M. Mesler 1980-8-11 4040 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  HSC49954  Galium serpenticum subsp. scotticum G. L. Clifton, Ground 1978-6-30 1661 Siskiyou Near Forest House, close to the town of Yreka 1098 Comment
  HSC39829  Galium triflorum J. O. Sawyer 1969-7-18 1398 Siskiyou Above S Russian Creek 1905 Comment
  CAS-BOT-BC182155  Garrya fremontii J. H. Thomas 1954-5-13 4162 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek 1127 Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  HSC27595  Garrya fremontii Carl W. Mize 1972-6-21 66 Siskiyou Along main trail 305 Comment
  UC165291  Garrya fremontii Geo. D. Butler 1908-8-5 40 Siskiyou below Cold Spring (on West Fork of Wooley Creek); West Fork of Wooley Creek Comment
Read comments
Nov 25 2011
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA597979  Gaultheria ovatifolia L. C. Wheeler 1963-8-29 8302 Siskiyou Siskiyou Mountains. West fork Clear Creek. 1341 Comment
  JEPS40900  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  JEPS83832  Gayophytum diffusum subsp. parviflorum Wayne Roderick July 1978 Siskiyou Cook and Green Pass Siskiyou Mts., vicinity of Cook and Green Pass (s side, edge of road) 1463 Comment
  UC1409238  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co. high lake basins in vicinity of English Peak) 1889 Comment
  RSA237863  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1890 Comment
  UC873647  Gayophytum heterozygum W. Bridge Cooke 1941-9-5 16273 Siskiyou along the Memorial Hwy below MacBride Springs; Mt. Shasta Comment
  UCD77734  Gayophytum humile Robert E. Preston 2002-6-20 1832 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  RSA600334  Gayophytum humile Louis C. Wheeler 1935-7-24 3691 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  SEINET12193190  Gayophytum humile C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2134 Comment
  UC141171  Gentiana calycosa Dr. E. B. Copeland 1903-8-18 3829 Siskiyou Mt. Eddy 2286 Comment
  HSC24867  Gentiana calycosa Richard Spjut Aug 1970 1265 Siskiyou Marble Mtn. Wilderness Area, W side of ridge between Bear Lake and Turk Lake 2012 Comment
  UC1608325  Gentiana newberryi var. newberryi J. Kierstead 1990-8-9 90 130 A Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyone end of Forest Service rd 40N42); Shasta-Trinity National Forests, Shasta Ranger Dist. 1828 Comment
  JEPS24353  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  POM130560  Gentianella amarella E. B. Copeland 1903-9-6 3849 Siskiyou Mt. Eddy. Comment
  CHSC661  Gentianella amarella subsp. acuta N. Jaekel 1939-7-29 Siskiyou Black Butte Meadow. 1158 Comment
  HSC91278  Gentianella amarella subsp. acuta Jennifer Whipple 1976-9-3 1782 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  UC1212152  Gentianella amarella subsp. acuta Francia Chisaki and Helen K. Sharsmith 1959-8-19 4730 Siskiyou just w Scott Mountain grade summit (just beyond Trinity County line); Inner North Coast Ranges 1584 Comment
  JEPS47061  Gentianopsis simplex W. L. Jepson July 1894 14648 Siskiyou Sisson near Mt. Shasta; Sisson Comment
  UC375378  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills 1524 Comment
  POM65721  Gilia capitata Geo D. Butler 1910-5-8 1311 Siskiyou Near Yreka. Comment
  RSA47617  Githopsis specularioides Roxana S. Ferris, Laura Lorraine 1948-6-12 11732 Siskiyou French Creek Logging Road W of Callahan. 1067 Comment
  NY329474  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  HSC61788  Glyceria elata Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  SEINET6836555 Image available Glyceria striata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  CAS-BOT-BC302667  Gnaphalium palustre Alice Eastwood 1921-7-29 10967 Siskiyou Medicine Lake Comment
  HSC19398  Goodyera oblongifolia J. O. Sawyer 1968-9-13 718 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA381795  Goodyera oblongifolia Louis C. Wheeler 1934-8-14 3118 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  UCD98140  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  SEINET3890845  Habenaria dilatata var. leucostachys Alv Dan Youngberg 1964-1 Siskiyou Comment
  SEINET1911810  Hackelia R. Tofsrud, J. M. Tucker 1948-1 1783 Siskiyou Openings in Yellow Pine woods, ca. 1.5 miles northwest of McCloud, California Comment
  RSA211250  Hackelia bella W. J. Ferlatte 1966-7-7 211 Siskiyou A flora of the Trinity Alps of northern California. Northwest side of Caribou Mountain. 1829 Comment
  JEPS101589  Hackelia californica Dean W. Taylor 1999-7-18 17274 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  CDA36166  Hackelia californica C. Pirosko s.n. Siskiyou Highway 89 north before McCloud. 0 Comment
  HSC61913  Hackelia micrantha Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC62458  Hackelia micrantha Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  HSC810  Hackelia micrantha William J. Ferlatte 1967-7-26 737 Siskiyou Caribou Basin 1982 Comment
  HSC61917  Hackelia micrantha Ruby Van Deventer 1937-7-24 Siskiyou Poker Flat 1585 Comment
  HSC44863  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3936 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC560  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  HSC91990  Hastingsia alba Jennifer Whipple 1976-7-13 1456 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  JEPS62096  Hastingsia alba W. L. Jepson 1902-7-19 2082 Siskiyou Forks of Salmon to Cecilville; Salmon <River> Comment
  JEPS93917  Hastingsia alba Vernon H. Oswald and Lowell Ahart 1998-8-3 9423 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road (at its intersection with USFS41N10); Kangaroo Lake Road 1554 Comment
  UC796499  Hastingsia alba Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11730 Siskiyou French Creek Logging Road w Callahan; w of Callahan 1066 Comment
  HSC29098  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; Crapo Ridge where the trail crosses it. 2195 Comment
  JEPS116588  Hazardia whitneyi var. discoidea Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad Lake, headwaters of Middle Fork of upper Sacramento River Mt. Eddy 2103 Comment
  CAS-BOT-BC306743  Helenium bigelovii D. M. Traugh 1933-8-4 2 Siskiyou Shackelford [Shackleford] Creek near Dry Lake Comment
  RSA183722  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley; Marble Mts. Comment
  CAS-BOT-BC305472  Helianthus annuus Carl B. Wolf 1927-8-26 999 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC5782  Helianthus annuus D. M. Thomson 1965-8-4 162 Siskiyou Califrornia Lava Beds National Monument; Near Canbys Cross Comment
  CAS-BOT-BC305572  Helianthus bolanderi Carl B. Wolf 1927-8-26 1055 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC195378  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou treeless plains near Yreka Comment
  JEPS84217  Hemitomes congestum L. R. Heckard with J. Hickman et al. 1986-7-17 6449 Siskiyou Cook and Green Pass ca. 5 mi N of the town of Seiad Valley 1465 Comment
  CAS-BOT-BC313445  Hemizonella minima C. L. Hitchcock; J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC313463  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  CAS-BOT-BC313449  Hemizonella minima Wm. Bridge Cooke 1940-6-4 15006 Siskiyou Old Bolam Road, Mount Shasta 1219 Comment
  UCD77758  Heracleum lanatum Robert E. Preston 2002-6-21 1880 Siskiyou Klamath National Forest, Rainbow Mountain, S slope 1819 Comment
  SD43482  Hesperocyparis bakeri Carl B. Wolf 1944-10-30 11481 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
  RSA238408  Heterocodon rariflorum Frederick W. Oettinger 1969-8-18 1427 Siskiyou Due N of Horse Range Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC18658  Heteromeles arbutifolia C. B. Wolf 1927-8-27 1151 Siskiyou On Klamath River, 6 mi. above the mouth of Salmon River Comment
  HSC36744  Heteromeles arbutifolia Brent Whitely 1975-6-24 52 Siskiyou 235 Comment
  JEPS5823  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou near Yreka (McNulty's field) Comment
  UCD133097  Heterotheca villosa Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1584 Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  JEPS81941  Heterotheca villosa var. minor Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7982 Siskiyou about 7 1/2 mi ne Weed (along US Hwy 97) 1127 Comment
  CAS-BOT-BC312299  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  JEPS26525  Heuchera merriamii Lauramay T. Dempster 1961-7-2 1863 Siskiyou sw of Etna (ridge w of Salmon Mountain Summit); Salmon Mountain 1828 Comment
  JEPS84338  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6370 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 mi e of Red Butte summit) 1900 Comment
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Jul 30 2009
  HSC77088  Heuchera merriamii K. T. Stillman 1976-8-7 361 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  CAS-BOT-BC424369  Heuchera rubescens C. S. Robinson 1927-7-28 107 Siskiyou Sequoia Forest. Grantie Gulch Long Mdw. 2987 Comment
  HSC58886  Hieracium albiflorum Marvin Butler 1971-8-2 253 Siskiyou Near El Capitan 2013 Comment
  UC166115  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  HSC28228  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou 320 Comment
  JEPS95042  Hieracium greenei Vernon Oswald and Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat 3.9 mi s of Medicine Lake Road Grasshopper Flat; Forest Route 15 1700 Comment
  UC642532  Hieracium greenei W. Bridge Cooke 1939-8-25 13919 Siskiyou above MacBride Springs; Mount Shasta 1676 Comment
  UC92059  Hieracium greenei T. S. Brandegee Siskiyou Mount Shasta Comment
  CAS-BOT-BC316012  Hieracium nudicaule H. M. Hall 1928-7-4 5484 Siskiyou Summit of dividt between Sawyers Bar and Etna Comment
  HSC36471  Hieracium scouleri J. O. Sawyer 1969-8-1 1643 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC280782  Holcus lanatus Dorothy Parker 1948-7-18 79 Siskiyou In Plowman's Valley, East Fork of Scott River 1188 Comment
  JEPS46111  Holodiscus discolor Duncan Dunning 1923-6-16 Siskiyou Happy Camp; northwestern Siskiyou County Comment
  CAS-BOT-BC152362  Holodiscus discolor var. discolor Gilbert Muth 1965-8-3 s.n. Siskiyou Creek below Marble Valley Guard Station Comment
  CAS-BOT-BC152383  Holodiscus discolor var. discolor John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC150144  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1935-6-12 9527 Siskiyou Between Capt. Jack's Ice Cave and Three Sisters, Lava Beds National Monument Comment
  HSC4858  Holodiscus microphyllus var. microphyllus J. O. Sawyer 1968-6-25 302 Siskiyou NE of N Horse Range Lake 2012 Comment
  UCD85470  Hordeum brachyantherum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, north of Happy Camp. Comment
  UCD85471  Hordeum brachyantherum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, north of Happy Camp. Comment
  CAS-BOT-BC289275  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  HSC101712  Hordeum marinum subsp. gussoneanum J. P. Smith, J. O. Sawyer 2011-6-25 13261 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  UC197113  Hordeum marinum subsp. gussoneanum Geo. D. Butler 1908-6-25 470 Siskiyou near Yreka Comment
  CHSC75747  Horkelia daucifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  RSA166765  Horkelia daucifolia H. Dearing, M. Dearing 1939-6-3 s.n. Siskiyou Near Scotts Bar Comment
  RSA88251  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  CHSC30905  Horkelia fusca subsp. parviflora M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 Siskiyou Yellow Pine plantation, ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  UC609363  Horkelia fusca subsp. parviflora Eleanor Burks Hart 1938-8-18 949 Siskiyou ridge above Big Meadow 2377 Comment
  CAS-BOT-BC536222  Horkelia fusca var. parviflora Alice Eastwood 1921-7-29 10981 Siskiyou Bear Spring on raod to Medicine Lake Comment
  CAS-BOT-BC514292  Horkelia fusca var. pseudocapitata Alice Eastwood 1921-7-25 10810 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC539437  Horkelia tridentata var. tridentata Wm. F. Herrin; L. E. Smith 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  LA47886  Hosackia crassifolia var. crassifolia Wm. Bridge Cooke; 1940-7-26 15360 Siskiyou Mount Shasta, around the Black Butte Spring 1219 Comment
  CHSC63336  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1994-7-11 6401 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  CAS-BOT-BC95002  Hydrophyllum occidentale R. C. Wenk 2005-7-19 343 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA12609  Hymenoxys lemmonii C. B. Wolf 1934-7-5 5976 Siskiyou Shasta Valley, 4.6 miles north of Gazelle. 823 Comment
  CAS-BOT-BC400987  Hypericum anagalloides H. A. Thomas; J. H. Thomas 1954-7-23 4461 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC400988  Hypericum anagalloides John Thomas Howell 1939-8-5 15083 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  SBBG25919  Hypericum anagalloides D. Myrick 1966-8-11 1536 Siskiyou Adams Lake, Mountain Meadow Ranch, Big Flat, Trinity Alps 1828 Comment
  HSC29201  Hypericum anagalloides Frederick W. Oettinger 1968-8-7 444 Siskiyou Marble Mts. Wilderness Area, inlet of Tobacco Lake 1890 Comment
  HSC99612  Hypericum scouleri J. O. Sawyer 1969-7-26 1593 Siskiyou Along Sugar Creek 1707 Comment
  CHSC52811  Iliamna bakeri L. R. Heckard; L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U.S. 97, 0.7 mile south of Bolam road junction. Comment
  RSA25624  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  JEPS24628  Ipomopsis aggregata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6781 Siskiyou near beginning of road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt. Shasta); Mt. Shasta 1737 Comment
  UC1409307  Ipomopsis aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Pine Trail Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  CHSC88128  Iris missouriensis Jenny Marr 1993-7-1 139 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS17222  Iris missouriensis Geo. D. Butler 1909-7-22 883 Siskiyou Goosenest Mountain Comment
  UC909355  Iris missouriensis Ira L. Wiggins 1950-5-27 12357 Siskiyou Callahan Ranger Station Callahan, Scott River (banks of e fork of Scott River) 975 Comment
  UC1094383  Isatis tinctoria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97 Grass Lake 1524 Comment
  UCR247348  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Creek, 1.5 mi. west of Yreka 881 Comment
  CAS-BOT-BC88665  Isatis tinctoria George Dexter Butler 1909-6-13 804 Siskiyou Scott River near Fort Jones. Comment
  CAS-BOT-BC57772  Isoetes Clare B. Hardham 1965-8-20 13022 Siskiyou Cudahy Lakes, Marble Lakes. Comment
  SD230095  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1615 Comment
  JEPS98784  Juncus Sue Pappalardo 1993-7-19 505 B Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  RSA368201  Juncus articulatus J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest; O Neill Creek Campground. 488 Comment
  HSC46746  Juncus balticus subsp. ater William J. Ferlatte 1974-7-26 1597 Siskiyou Big Flat near S Fork of Salmon River, 100 m W of campground 1524 Comment
  UC637023  Juncus bolanderi Edward Lee 1934-8-13 1057 Siskiyou 4 mi n Happy Camp; Klamath National Forest, Indian Creek 411 Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  RSA759843  Juncus covillei Robert F. Thorne 1969-8-2 63397 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC76933  Juncus drummondii K. T. Stillman 1976-8-8 397 Siskiyou Marble Mtn. Wilderness Area, trail from Jump off to Paradise Lake Comment
  RSA22443  Juncus drummondii J. T. Howell 1937-7-24 13425 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  JEPS124474  Juncus effusus subsp. effusus Daniel Slakey 2015-7-14 161 Siskiyou South side of Copco Lake. Along Ager-Beswick Rd. just south of junction with Patricia Ave. Comment
  HSC61118  Juncus ensifolius Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  POM111089  Juncus ensifolius Geo D. Butler 1910-6-21 1596 Siskiyou Yreka Creek. Comment
  POM229961  Juncus ensifolius L. C. Wheeler 1935-7-26 3710 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC30678  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  HSC61161  Juncus mertensianus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  JEPS63807  Juncus mexicanus B. C. Goldsmith 1916-9-29 31 Siskiyou Medicine Lake Mt. Hoffman 2042 Comment
  JEPS84176  Juncus mexicanus L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6380 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  JEPS121613  Juncus nevadensis Danielle Roach 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SSE aspect, over gabbro. China Mountain quadrangle. CLS_1C Comment
  HSC39843  Juncus parryi J. O. Sawyer 1969-7-23 1442 Siskiyou Near N Horse Range Creek along Rd. 41N14 1037 Comment
  POM21816  Juniperus communis var. montana E. B. Copeland 1903-10-6 3782 Siskiyou Mt. Eddy 2287 Comment
  HSC92548  Juniperus communis var. saxatilis Jennifer Whipple 1976-7-8 1354 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  SD76159  Juniperus communis var. saxatilis Helen V. Witham 1969-10-5 564 Siskiyou Salmon Mountains, Duck Lake 1950 Comment
  CAS-BOT-BC81222  Juniperus occidentalis L. E. Smith 1913-4-10 s.n. Siskiyou Yreka Comment
  HSC31502  Juniperus occidentalis Steve Selva, Roger Jensen 1974-8-24 45 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  NY19868  Juniperus occidentalis E. P. Lee 1934-8-9 1014 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC91307  Kalmia polifolia Jennifer Whipple 1977-8-5 2172 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  HSC77232  Keckiella lemmonii L. P. Janeway 1983-8-21 577 Siskiyou FS Rd. 18N15, 3 mi. from FS Rd. 18N24 (Mill Creek Rd.) 1311 Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  HSC97687  Kelloggia galioides Thomas W. Nelson, Jane Nelson 2006-7-1 9446 Siskiyou Along FS Rd. 4319, Military Pass Rd., the Whaleback 1392 Comment
  UC1023834  Kelloggia galioides Douglas Barbe 1955-7-26 273 Siskiyou n slope Scott Mtn.; Klamath Mountains 1828 Comment
  UC138607  Kelloggia galioides Dr. E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta Comment
  SEINET212850 Image available Koeleria macrantha L. E. Detling 1959-6-7 8213 Siskiyou Brush Cr near Klamath River 716 Comment
  CAS-BOT-BC499664  Kopsiopsis strobilacea W. R. Dudley 1893-6-23 s.n. Siskiyou Near Castle Crag, vicinity of Mt. Shasta Comment
  CAS-BOT-BC340367  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  HSC41075  Kyhosia bolanderi J. O. Sawyer 1969-9-11 2017 Siskiyou Behind Sugar Lake 2073 Comment
  CAS-BOT-BC340613  Lactuca serriola Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  RSA190722  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mile NE of Macdoel. Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC341704  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  UCD133625  Lagophylla ramosissima P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  UC796605  Lathyrus brownii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11828 Siskiyou 1 mi below w side Gazelle Mt. Grade (Gazelle-Callahan Road) 1219 Comment
  CAS-BOT-BC204982  Lathyrus jepsonii var. californicus Alice Eastwood 1923-5-23 11937 Siskiyou Cantara, S.P.R.R. Comment
  SEINET955921  Lathyrus maritimus G. D. Butler 1910-1 1588 Siskiyou Dlaup Bank 1524 Comment
  UC1069724  Layia glandulosa M. H. Mitchell 1936-5-8 9 Siskiyou 1/2 mi ssw of Hospital Rock; Dorris Quadrangle Comment
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Jun 18 2011
  CAS-BOT-BC321059  Layia glandulosa M. H. Mitchell 1936-5-8 9 Siskiyou 0.5 mile SSW of Hospital Rock, Modoc Lava Beds, National Manument 1242 Comment
  CAS-BOT-BC534901  Lemna turionifera Douglas Barbe 1955-6-29 050 Siskiyou 4.1 miles southeast of Etna on the East-side Rd. 914 Comment
  CAS-BOT-BC88864  Lepidium campestre Alice Eastwood 1923-5-18 11835 Siskiyou Shasta Springs. Comment
  UC375301  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  POM94079  Lepidium ramosissimum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC60146  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-26 1095 Siskiyou On the Klamath River, 14 miles above Happy Camp. Comment
  HSC45901  Leptosiphon nuttallii Laura Witherspoon 1978-8-18 103 Siskiyou Klamath National Forest, Rd. to Baal Mtn. Lookout 2134 Comment
  UCSB2974  Leptosiphon nuttallii subsp. nuttallii Hardham, Clare 1965-8-20 Siskiyou Near the Cudahy Lakes; on the Granite Trail; Marble Mountains 1524 Comment
  CAS-BOT-BC341897  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) 441 Comment
  CAS-BOT-BC341900  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Greenview Comment
  UC306184  Lessingia nemaclada G. B. Grant 1902-9-11 5213 Siskiyou Dunsmuir Comment
  CAS-BOT-BC341905  Lessingia nemaclada Louis C. Wheeler 1934-7-16 2907 Siskiyou Klamath National Forest. Gottville 563 Comment
  RSA245197  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1972-9-14 5801 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  CAS-BOT-BC342101  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Cinnabar Mine, W Fork Beaver Creek, Siskiyou Mts. 1127 Comment
  JEPS80659  Leucocrinum montanum W. B. and V. G. Cooke Jun 1979 3750 Siskiyou Timber Hills Mt. Shasta (garden of Mrs. R. Bangsberg) Comment
  JEPS66649  Leucothoe davisiae John P. Young 1921-9-15 Siskiyou near summit of Whisky Butte, Etna Mills, w Siskiyou County Whisky Butte; , Etna Mills Comment
  CAS-BOT-BC229450  Lewisia cotyledon John Thomas Howell 1937-7-25 13474 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  POM117377  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  CAS-BOT-BC444053  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC99690  Lewisia cotyledon var. cotyledon L. P. Janeway 2008-7-24 9466 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  UCD13276  Lewisia leeana K. F. Mawdsley 1996-7-9 10 Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6680. Comment
  RSA215601  Lewisia leeana Gilbert Muth 1969-8-10 1338 Siskiyou Ridge W of Boulder Peak. 2409 Comment
  RSA237331  Lewisia leeana Frederick W. Oettinger 1967-7-8 166 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SEINET11942480  Lewisia leeana J. G. Lemmon n d s.n. Siskiyou above Castle Lake, near Shasta Comment
  UC246736  Leymus cinereus H. E. Brown Jul 15 1897-Jul 31 1897 504 Siskiyou Mt. Shasta; s side 1524 Comment
  HSC69244  Ligusticum californicum Maralyn A. Renner 1980-8-6 2340 Siskiyou Cracker Meadow 1555 Comment
  RSA183707  Ligusticum californicum Gilbert Muth 1965-7-28 130 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  JEPS123402  Ligusticum grayi Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -126 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  RSA453855  Ligusticum grayi L. C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC35786  Lilium kelleyanum J. O. Sawyer 1969-8-1 1611 Siskiyou Behind Horseshoe Lake 1921 Comment
  RSA12590  Lilium kelleyanum Carl B. Wolf 1934-7-6 5996 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  SJSU10000  Lilium kelleyanum M. R. Kempf 1964-7-13 304 Siskiyou Dead Horse Summit, State Rte 89 c. 7 mi SE Bartle 1341 Comment
  CAS-BOT-BC130814  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  CAS-BOT-BC130820  Lilium pardalinum R. F. Thorne; Frederick W. Oettinger 1969-8-4 63355 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC130825  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  LA22067  Lilium pardalinum William Bridge Cooke; 1938-7-15 11197 Siskiyou Mount Shasta, along the creeks at Bear Springs 1523 Comment
  SEINET8260300  Lilium pardalinum Richard Olmstead 1983-7-13 478 Siskiyou along small stream crossed by road to Cave Jct. ca. 14 mil. N. of Happy Camp (2 mi. N of West Branch Campground). 1000 Comment
  CAS-BOT-BC133023  Lilium washingtonianum subsp. purpurascens L. E. Smith 1913-6-29 439 Siskiyou Mt. Eddy Comment
  HSC22272  Lilium washingtonianum subsp. purpurascens J. O. Sawyer 1969-8-5 1960 Siskiyou Slopes W of South Sugar Creek 1799 Comment
  CAS-BOT-BC133106  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1917-9-2 6706 Siskiyou Shasta Springs Comment
  UC907988  Linanthus androsaceus Mabel Ruttle 1927-5-5 Siskiyou Dunsmuir Comment
  UC56698  Linanthus ciliatus Harley P. Chandler Jun 1901 1671 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  JEPS25586  Linanthus harknessii Rimo Bacigalupi 1959-7-2 7218 Siskiyou near n base of Caribou Mtn. (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground, headwaters); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC106763  Linanthus harknessii K. Brandegee Jul 1887 Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC416403  Linnaea borealis subsp. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SBBG69501  Linnaea borealis var. longiflora J. G. Lemmon 1879-7-4 Siskiyou near Shasta Comment
  UC1045254  Linnaea borealis var. longiflora W. Bridge Cooke 1940-8-8 15421 Siskiyou along Squaw Valley Creek below McCloud intake; Mount Shasta, along Squaw Valley Creek below McCloud intake Comment
  CHSC1014  Linum lewisii var. lewisii V. Holt 1932-7-7 Siskiyou Mt. Eddy 1524 Comment
  JEPS64492  Listera convallarioides W. L. Jepson Jul 1894 21281 Siskiyou Sisson Comment
  UC61186  Listera convallarioides W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Sisson Mount Shasta Comment
  UC5554  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 Soda Springs (at foot of Mt Shasta); Mt. Shasta Comment
  CAS-BOT-BC36537  Lithocarpus densiflorus var. echinoides W. R. Dudley 1905-8-4 s.n. Siskiyou South spur of Mt. Eddy Comment
  RSA79096  Lithocarpus densiflorus var. echinoides E. K. Balls, P. C. Everett 1952-10-13 18193 Siskiyou 3 mi. e. of jct. of hwys 99 and 89 on road to McCloud. 1220 Comment
  UC1167563  Lithophragma glabrum Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 244 Siskiyou on US Highway 99, 4.5 mi n Yreka City limits 914 Comment
  CHSC31062  Lithospermum californicum M. S. Taylor 1980-7-8 3088 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou. 1036 Comment
  POM265895  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  JEPS98786  Lolium Sue Pappalardo 1993-7-19 508 B Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  CHSC91354  Lolium perenne Lowell Ahart; John Dittes 2005-6-10 12064 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC29128  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou High Lake Basins, Marble Mountain Wilderness Area, NW of Upper English Lake 1845 Comment
  HSC91133  Lomatium engelmannii Jennifer Whipple 1976-7-14 1470 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS17115  Lomatium macrocarpum Geo. D. Butler 1909-5-9 744 Siskiyou Yreka Comment
  UCR37581  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  POM82359  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou Yreka Comment
  JEPS177  Lomatium peckianum Geo. D. Butler 1909-4-14 638 Siskiyou Block 5 Yreka Comment
  RSA30650  Lomatium vaginatum Lincoln Constance, Reed Rollins 1942-5-14 2924 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  UC61163  Lonicera ciliosa W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  LA205970  Lonicera conjugialis Charles Darland; 1940-6-6 sn Siskiyou Castle Lake Comment
  CAS-BOT-BC240842  Lonicera interrupta L. E. Detling 1950-6-10 6618 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  UC139361  Lonicera interrupta Dr. E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon Comment
  JEPS16020  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  UC60885  Lotus crassifolius var. crassifolius W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  SEINET3694633 Image available Lotus nevadensis var. douglasii Roxana S. Ferris, Laura Lorraine 1948-6-12 11866 Siskiyou 1 mile W of Gazelle Comment
  UC917242  Lotus nevadensis var. nevadensis R. Tofsrud and J. M. Tucker 1948-8-2 1756 Siskiyou outskirts of McCloud McCloud Comment
  HSC30470  Lotus unifoliolatus var. unifoliolatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1215 Siskiyou Abbott's Upper Cabin, Salmon Mts. 1524 Comment
  CAS-BOT-BC140211  Luetkea pectinata Ken Berg; Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, Headwaters of Little South Fork of Salmon River; above Little S. Fk. Lake 2286 Comment
  HSC84  Luetkea pectinata William J. Ferlatte 1967-8-20 1049 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  SEINET11546885 Image available Luetkea pectinata C. L. Hitchcock, J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle; Marble Mountains 1829 Comment
  UC1971262  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou PRESTON PEAK: Summit ridge. North side. Comment
  SEINET6924762  Luetkea pectinata M. K. Solecki, J. B. Taft 1986-9-13 2169 Siskiyou Marble Mountain Wilderness, peak east of Marble Mountain. Comment
  JEPS82111  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  JEPS25638  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7277 Siskiyou Poker Flat 1536 Comment
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  RSA237948  Lupinus albicaulis var. shastensis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Dryish area near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  SEINET10838377  Lupinus albifrons var. flumineus Katherine L. Morris 1973-5-25 Morris 281 Siskiyou 9.5 miles ne of the junction of hwy 97 and 5 on us 97, in an area of Arctostaphylos and juniper Comment
  RSA11948  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou Redshale Mountain, east side of Medicine Lake. Comment
  UC727141  Lupinus arbustus A. A. Heller 1938-7-12 15260 Siskiyou on the old U.S. Highway #97 border of a meadow e Deer Mountain; e of Deer Mountain 1402 Comment
  RSA622141  Lupinus arbustus subsp. silvicola David B. Dunn, B. J. Cox 1971-6-10 17952 Siskiyou 5 miles north of Weed, on U. S. Highway 97. Comment
  CAS-BOT-BC196376  Lupinus argenteus var. heteranthus Elmer I. Applegate 1923-9-17 3830 Siskiyou South end of Lower Klamath Lake Comment
  UC796571  Lupinus bicolor Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11727 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  SD98878  Lupinus bicolor Darley F. Howe 1977-7-2 4985 Siskiyou Scott River Road, 7 miles NW of Fort Jones 671 Comment
  RSA582458  Lupinus bicolor subsp. microphyllus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  JEPS65034  Lupinus breweri W. L. Jepson 1907-7-6 2856 Siskiyou ridge above Cuddihy Valley Marble Mt. region Comment
  UC1409231  Lupinus breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou rocky ridge e English Peak Lookout (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2209 Comment
  HSC30418  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Salmon Mtns., E of English Peak Lookout. 2210 Comment
  HSC70490  Lupinus croceus J. P. Smith, Steve Selva 1970-6-15 3971 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC683333  Lupinus croceus Mrs. H. P. Bracelin 1931-6-21 466 Siskiyou n side of Mt. Eddy Dobkin's Lake (near Mt. Shasta City); , Dobkin's Lake 1828 Comment
  RSA666384  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1890 Comment
  UC1299682  Lupinus grayi Freed W. Hoffman 1950-7-14 3659 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) Comment
  CAS-BOT-BC202056  Lupinus lapidicola Richard R. Halse 1989-5-6 3817 Siskiyou Along Old Highway 99, 3.2 miles south of Gazelle or 4.2 miles north of its junction with Old Stage Road 888 Comment
  SEINET10489289  Lupinus latifolius subsp. viridifolius Joseph W. Congdon 1900-8-9 Congdon s.n. Siskiyou Near sisson. Comment
  UC865221  Lupinus latifolius var. viridifolius W. Bridge Cooke 1941-6-7 16009 Siskiyou near the e base Mt. Eddy; near the e base of Mt. Eddy Comment
  OBI35630  Lupinus lepidus var. lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou Klamath Natl Forest, Marble Mts. King's Castle Comment
  UC1332444  Lupinus lepidus var. sellulus Ralph K. Gierisch 1968-8-6 3366 Siskiyou Elk Flat; Shasta-Trinity National Forest, Elk Flat 1310 Comment
  JEPS80547  Lupinus lepidus var. sellulus Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on backside Black Mt. (Marble Mt. Wilderness Area); , backside of Black Mt. 2133 Comment
  SEINET8056246  Lupinus lepidus var. sellulus G. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek Comment
  SBBG3658  Lupinus leucophyllus H. and M. Dearing 1939-6-30 3751 Siskiyou near Etna 1219 Comment
  RSA0064514  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 491 Comment
  HSC45897  Lupinus luteolus Laura Witherspoon 1978-8-2 10 Siskiyou Klamath National Forest Comment
  JEPS105207  Lupinus microcarpus var. microcarpus Dean W. Taylor 1995-6-4 14962 Siskiyou 2 miles southeast of Montague; Shasta Valley Wildlife Management Area; Little Shasta River 853 Comment
  JEPS91330  Lupinus microcarpus var. microcarpus Dean W. Taylor 1987-6-6 9010 Siskiyou Fall River Valley, road from Bieber to Lookout, 0.5 miles south of the Modoc County Line 1249 Comment
  RSA237952  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1799 Comment
  SD113682  Lupinus sellulus Darley F. Howe 1964-8-4 3929 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  POM260225  Lupinus sellulus subsp. ursinus C. Leo Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-9 5323 Siskiyou 1/2 mile SE of Kings Castle, Marble Mts. 1829 Comment
  SEINET4460493 Image available Lupinus viridifolius A. A. Heller 1905-1 7928 Siskiyou Comment
  JEPS67159  Luzula comosa var. laxa Geo. D. Butler 1910-4-19 1197 Siskiyou Near Yreka Comment
  RSA299464  Luzula comosa var. laxa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass road. Comment
  UC1025122  Luzula divaricata Douglas Barbe 1955-8-1 326 Siskiyou summit Mount Bolivar (Scott Mountains); Klamath Mountains, , Mt. Bolivar 2468 Comment
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  HSC22266  Luzula parviflora J. O. Sawyer 1969-6-12 897 Siskiyou Along CCC rd. just S of Sugar Creek 1463 Comment
  RSA22087  Luzula parviflora J. T. Howell 1939-8-3 15000 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC98169  Luzula parviflora J. O. Sawyer 1969-8-11 2003 Siskiyou Along S French Creek 1692 Comment
  RSA14489  Machaeranthera canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger station, west end of Medicine Lake 1982 Comment
  UC165404  Madia citriodora Geo. D. Butler 1909-5-14 698 Siskiyou Klamath River Comment
  JEPS24808  Madia elegans Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6817 Siskiyou 7 mi e Callahan 1127 Comment
  HSC26763  Madia elegans J. P. Smith, J. O. Sawyer 1971-9-18 4850 Siskiyou 3.9 mi. from the junction of S.R. 3 and Rd. 8 near Callahan 1189 Comment
  UC165393  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mt. 1066 Comment
  HSC77501  Madia exigua L. P. Janeway 1983-6-25 332 Siskiyou Ca. 500 m from West Branch Guard Station 671 Comment
  CAS-BOT-BC343428  Madia gracilis Lewis S. Rose 1945-6-19 45140 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC343443  Madia gracilis Carl B. Wolf 1934-7-6 5981 Siskiyou SW. slope of Mt. Shasta. 1/4 mi. E. of Mt. Shasta City 1097 Comment
  HSC43829  Madia gracilis Maralyn O'Meara 1974-5-27 480 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA237501  Madia gracilis subsp. gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  SEINET5339049  Mahonia nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  RSA264979  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-28 s.n. Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  HSC30445  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  RSA377706  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  SBBG25909  Malva neglecta D. Myrick 1966-8-13 1551 Siskiyou below barns at Mountain Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  RSA184733  Malva neglecta Gilbert Muth 1966-8-1 479 Siskiyou Marble Valley Horse Pasture, Marble Mountain, Siskiyou County 1793 Comment
  HSC6017  Matricaria discoidea R. C. Wunner 1965-6-29 309 Siskiyou California Lava Beds National Monument; Indian Wells Campground, lower loop 1433 Comment
  CAS-BOT-BC269230  Melica aristata Wm. Bridge Cooke 1938-7-22 11335 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC269235  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek Comment
  UC1265395  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou n side Tom Lake Basin (vicinity of English Peak, Marble Mt Wilderness Area, Salmon Mtns); Salmon Mtns, Marble Mt Wilderness Area 1950 Comment
  HSC26105  Melica bulbosa J. P. Smith, J. O. Sawyer, Marilyn O'Meara 1972-7-3 5674 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  POM259099  Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  UCD87261  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3381 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  SEINET207388 Image available Melica geyeri Rimo Bacigalupi, Mr. & Mrs. Van Deventer 1959-7-10 7312 Siskiyou Twin Valley Siskiyou Mts. just east of Del Norte County Line; 4 airmiles north-northeast of Preston Peak 1494 Comment
  UC167214  Melica harfordii Geo. D. Butler 1910-7-12 1745 Siskiyou Shackleford Creek 1371 Comment
  SEINET10599420  Melica harfordii A. Arthur Heller 1905-6-1 Heller 7935 Siskiyou Between Upper Soda Spring & Shasta Retreat. Comment
  HSC27345  Melica subulata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5700 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CDA30915  Melilotus albus M. Beyers, G. F. Hrusa 2010-8-18 704 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  POM211182  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  JEPS20796  Menyanthes trifoliata Willis L. Jepson Jul 24 1894-Aug 10 1894 14643 Siskiyou near Sisson (Upper Sacramento Region); Upper Sacramento Region Comment
  CAS-BOT-BC428981  Micranthes ferruginea W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  SJSU2555  Micranthes odontoloma H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1219 Comment
  CAS-BOT-BC348422  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  UC1048144  Microseris laciniata subsp. laciniata Univ. of Calif., Division of Genetics 600 Siskiyou Comment
  UC2015375  Microseris laciniata subsp. siskiyouensis K. L. Chambers 1964-7-10 2242 Siskiyou Hwy. 199, 5.0 mi by road up the Smith River from Patricks Creek Guard Staation. Comment
  CAS-BOT-BC349380  Microseris nutans Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  UC130567  Microseris nutans H. M. Hall July, 1909 8676 Siskiyou Salmon River Salmon Mountains 1615 Comment
  HSC61903  Microsteris gracilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA120818  Microsteris gracilis subsp. gracilis G. D. Barbe 1955-7-6 128 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  HSC60799  Mimulus breweri Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  HSC90994  Mimulus breweri Jennifer Whipple 1976-7-9 1386 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  SEINET11262493  Mimulus cardinalis Alv Dan Youngberg 1964-6-21 57 Siskiyou Humbolt Meridian.; 0 427 Comment
  UC164367  Mimulus guttatus Geo. D. Butler 1909-5-2 714 Siskiyou near Yreka Comment
  UC609342  Mimulus guttatus Eleanor Burks Hart 1938-8-25 947 Siskiyou Upper Wright Lake 2225 Comment
  HSC420  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou NW side of Caribou Mtn. 1982 Comment
  JEPS74148  Mimulus inodorus J. M. Tucker with D. V. Hemphill 1974-7-27 4305 Siskiyou Haypress Meadows Marble Mts. Wilderness Area, Haypress Creek 1463 Comment
  UC726457  Mimulus microphyllus A. A. Heller 1919-6-25 13271 Siskiyou Compton's Prairie Comment
  UC1409381  Mimulus moniliformis Frederick W. Oettinger 1968-8-11 478 Siskiyou just below spring Tom Taylor Cabin (High Lakes Basin in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2048 Comment
  UC618865  Mimulus nanus var. jepsonii W. Bridge Cooke 1938-7-29 11403 Siskiyou above Bear Springs; Mount Shasta Comment
  RSA535617  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1300 Comment
  UC164054  Mimulus nanus var. nanus Geo. D. Butler 1909-6-29 60 Siskiyou Cherry Creek Comment
  UC1177937  Mimulus nanus var. nanus Francia Chisaki, Gene B. Newcomb 1958-6-22 1159 Siskiyou 9.6 mi from Ft. Jones (between Ft. Jones and Gazelle, on road 9.4 mi s of the turn-off to Duzel Rock); Duzel Rock 1645 Comment
  JEPS11009  Mimulus primuloides F. W. Morse July, 1886 Siskiyou near Mt. Shasta Comment
  JEPS84010  Mimulus primuloides L. R. Heckard with J. Hickman et al. 1986-7-17 6503 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  UC1584289  Mimulus primuloides J. Kierstead, R. Bittman, and M. Meyers 1989-8-11 89 -73 Siskiyou Gumboot Creek Crossing Shasta-Trinity NF, Mt. Shasta RD (s side of FS Rd 26) 1767 Comment
  UC535784  Mimulus primuloides Elmer I. Applegate 1923-8-17 3833 Siskiyou w end Medicine Lake Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC1409388  Mimulus tilingii Frederick W. Oettinger 1969-8-25 1542 Siskiyou w Arrow Peak (near Tom Taylor Cabin, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1981 Comment
  HSC434  Mimulus tilingii William J. Ferlatte 1967-7-26 756 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  RSA28128  Minuartia douglasii Elmer I. Applegate 1936-7-4 10509 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  RSA576936  Minuartia nuttallii subsp. gracilis L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 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
  RSA792294  Minuartia nuttallii subsp. gregaria Rebecca Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  RSA600376  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  SEINET843661  Mirabilis greenei Rachel Levin 1998-1 98- 4 -B Siskiyou On Copco Rd, 2.4-5 mi from junction with I-5. As head east towards the Copco Dam, plants on left side of road. Comment
  UC1459328  Mirabilis greenei George E. Pilz 1973-5-25 993 Siskiyou 4 mi n Yreka (above Shasta River) 700 Comment
  JEPS26520  Mitella diversifolia Lauramay T. Dempster 1961-7-2 1850 Siskiyou Mill Creek; at road crossing sw of Etna Comment
  HSC61890  Mitella pentandra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA238319  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  HSC22247  Monardella glauca J. O. Sawyer 1969-8-4 1837 Siskiyou Above Sugar Lake 2134 Comment
  HSC22276  Monardella glauca J. O. Sawyer 1969-7-3 1053 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  HSC77059  Monardella odoratissima K. T. Stillman 1976-8-7 193 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SFV3187  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1921 Comment
  RSA183457  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou headwaters of Canyon Creek, Marble Mtn Wilderness Area 1921 Comment
  SEINET3152593  Monardella odoratissima subsp. glauca G. B. Grant 796 Siskiyou Mount Shasta. 2438 Comment
  UC2037103  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-8-3 10012 Siskiyou North base of Caldwell Butte; Lava Beds National Monument Comment
  RSA183662  Monardella odoratissima subsp. glauca Gilbert Muth 1965-8-12 209 Siskiyou Upper meadow, Marble Valley, Marble Mts. Comment
  RSA401653B  Monardella odoratissima subsp. pallida Bonnie C. Templeton 1960-6-21 8590 Siskiyou Near summit of Scott Mt. Comment
  SEINET3996791 Image available Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  UC2035853  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-6-7 15091 Siskiyou near Mount Shasta city (along the Pacific Highway at Spring Hill) Comment
  RSA238539  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1967-8-20 293 Siskiyou along the wet meadow & alder thicket of Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CDA40783  Monardella sheltonii J. Anslem 1958-7-1 670 -58 Siskiyou Scott s Bar. 0 Comment
  RSA135346  Monotropa hypopitys Volney Rattan 1879-06 s.n. Siskiyou Klamath. Comment
  JEPS43184  Montia fontana Geo. D. Butler 1909-3-26 679 Siskiyou Oro Fino Comment
  CAS-BOT-BC445208  Montia parvifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5288 Siskiyou Sanger Peak 1780 Comment
  UC637038  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou 4 mi n of Happy Camp (Indian Creek, Klamath National Forest); Klamath National Forest, Indian Creek 411 Comment
  UC454265  Montia parvifolia I. J. Condit 1911-7-13 Siskiyou Shasta Retreat, Cal. Comment
  RSA211319  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake Basin. Trinity Alps. 1829 Comment
  UCD86406  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Siskiyou County, southeast base of White Ridge, canyon of south fork of Sacramento River. 1371 Comment
  UCD86503  Muhlenbergia andina R. Tofsrud 1950-7-24 s.n. Siskiyou E. side of Mt. Shasta. Cold Creek. Comment
  UC1059006  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou banks of mt. stream on lower slopes White Ridge; Canyon of the South Fork of the Sacramento River 1371 Comment
  UCD86564  Muhlenbergia asperifolia R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  HSC30599  Muhlenbergia filiformis Frederick W. Oettinger 1968-8-22 592 Siskiyou Ridge between Diamond Lake and English Peak, Salmon Mountains. 2195 Comment
  JEPS120259  Muhlenbergia filiformis Julie Kierstead Nelson 2011-8-23 2011 -45 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  RSA603014  Muhlenbergia filiformis L. C. Wheeler 1935-7-26 3703 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC53720  Muhlenbergia filiformis unknown Aug 1894 Siskiyou Shasta Comment
  JEPS45831  Muhlenbergia jonesii Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mountain Comment
  JEPS95094  Muhlenbergia jonesii Vernon Oswald and Lowell Ahart 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  HSC22179  Muhlenbergia montana J. O. Sawyer 1969-7-10 1304 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  HSC22229  Muhlenbergia montana J. O. Sawyer 1969-8-1 1690 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30600  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Marble Mtn. Wilderness Area, SW of Wire Grass Meadow, near Upper English Lake. 1677 Comment
  CDA34725  Myosotis laxa L. Ahart, John Dittes 2010-7-3 16944 Siskiyou About 30 yards south the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  UC1299127  Nama lobbii Freed W. Hoffman 1948-7-13 2660 Siskiyou 9.4 mi sw of Tennant Comment
  HSC12279  Narthecium californicum Richard Spjut 1970-7-17 450 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake 1829 Comment
  UC1001154  Narthecium californicum Dorothy Parker 1953-7-29 Siskiyou summit Scott Mt.; Siskiyou Mts., Scott Mt. Comment
  UCD48378  Navarretia divaricata Robert F. Preston 2002-6-20 1831 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  UC24282  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1649 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2286 Comment
  RSA211323  Nemophila parviflora var. austiniae William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail. 1982 Comment
  UC1114141  Nemophila pedunculata Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 230 Siskiyou on the road to Callahan 11.9 mi w Gazelle; w of Gazelle 1219 Comment
  CAS-BOT-BC60585  Noccaea fendleri subsp. glauca Jean Langenheim 1957-5-19 4344 Siskiyou At intersection of Miner's Creek road and Tiger Creek road. Comment
  UC2013020  Noccaea fendleri subsp. glauca Barbara Ertter 1990-7-14 9337 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  UC1299298  Nothocalais alpestris Freed W. Hoffman 1950-7-13 3557 Siskiyou Baldy High Peak Comment
  HSC92178  Nothocalais alpestris Jennifer Whipple 1976-7-2 1286 Siskiyou Dale Creek drainage on the N face of Mount Eddy, ridge between Dale Creek and Deadfall drainage 2195 Comment
  JEPS93853  Nothocalais troximoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9199 Siskiyou Dry Lake on south side of Tennant Road, ca. 9 air mi east of Grass Lake, ca 22 air mi northeast of Weed. 1402 Comment
  JEPS74468  Nothochelone nemorosa W. J. Ferlatte 1967-8-21 1076 Siskiyou between Caribou Basin and Little South Fork Lake (Trinity Alps, Sawtooth Ridge); Trinity Alps, Sawtooth Ridge 2286 Comment
  RSA14377  Nothochelone nemorosa Elmer I. Applegate 1923-9-7 3959 Siskiyou Dry Lake Lookout Station; Doggett Ridge, Siskiyou Mountains, Klamath River watershed. Comment
  RSA331962  Nothochelone nemorosa Walter Wisura, Dave Kelly 1985-7-30 4074 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  SD88339  Nothochelone nemorosa Darley F. Howe 1972-7-7 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp 1646 Comment
  UCR246789  Notholithocarpus densiflorus Matt K. Beyers 2010-8-18 691 Siskiyou Klamath Ranges, Siskiyou Mountains, O'Brien-Happy Camp Road, 1 mi above road to Kelley Lake, c. 2 mi above West Branch Campground Comment
  UC1409399  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou near inlet English Lake, the High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  SEINET8884740  Olsynium douglasii G. Butler 1910-3-11 1123 Siskiyou Ureka hills 914 Comment
  HSC62121  Oreostemma alpigenum var. andersonii Al Hobart 13 Aug [year missing] Siskiyou Preston Peak Comment
  UC1608320  Oreostemma alpigenum var. andersonii J. Kierstead 1990-8-9 90 -132 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist., Mt (s side of mt., beyond end of Forest Service Rd 40N42) 1828 Comment
  HSC73298  Orobanche fasciculata M. A. Baker 1980-6-20 2213 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS100531  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap trail, meadow above Marble Valley, Marble Mt. Wilderness Area. Comment
  UC164090  Orobanche uniflora subsp. occidentalis Geo. D. Butler 1909-4-4 730 Siskiyou Shasta Valley between Yreka and Montague. Comment
  HSC77236  Orogenia fusiformis L. P. Janeway 1983-7-10 410 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC458092  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  CAS-BOT-BC458076  Orthilia secunda Wm. Bridge Cooke 1938-8-5 11457 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  UC922481  Orthocarpus cuspidatus subsp. copelandii Annie M. Alexander and Louise Kellogg 1949-7-20 5822 Siskiyou near Paradise Lake Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  UCR101775  Orthocarpus cuspidatus subsp. copelandii L. C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  RSA211401  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1967-8-17 958 Siskiyou Yellow Rose Mine, Trinity Alps. 1982 Comment
  RSA488703  Orthocarpus cuspidatus subsp. cuspidatus James L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath Nat'l Forest, along the Dry Lake Lookout road (FS 40S01), 0.6 mile north of the turnof to Deep Camp and about 2.7 miles southeast of Dry Lake Lookout. Comment
  UC1713697  Orthocarpus pachystachyus Edward Lee Greene 1876-1 Siskiyou Yreka Comment
  CAS-BOT-BC94388  Osmorhiza occidentalis R. C. Wenk 2005-6-17 167 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  CAS-BOT-BC316758  Packera cana John William Thompson 1936-7-8 13150 Siskiyou Lava Slopes of Lava Beds Nat. Monument Comment
  UC579117  Packera cana J. William Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument Comment
  SBBG14792  Paeonia brownii P. H. Raven 1962-5-30 17903 Siskiyou US Hwy 97, 8.3 mi N of Weed Comment
  HSC102663  Papaver rhoeas J. P. Smith 2009-6-1 12621 Siskiyou Gazelle to Callahan Road. Comment
  CAS-BOT-BC422855  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  UC618609  Parnassia californica W. Bridge Cooke 1938-9-8 11671 Siskiyou Mount Shasta, Upper and Middle Heather Meadows, Squaw Creek Squaw Creek; Mount Shasta, Heather Meadows, Squaw Creek 2590 Comment
  CAS-BOT-BC175508  Parnassia fimbriata J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  HSC41129  Paspalum distichum J. P. Smith, Steve Selva 1970-7-17 4432 Siskiyou Along Klamath River Comment
  CAS-BOT-BC202848  Paxistima myrsinites Alice Eastwood 1912-7-19 s.n. Siskiyou Mount Shasta Comment
  UC1190160  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC228584  Pedicularis densiflora Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1924 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  CHSC1838  Pedicularis densiflora M. Yoder 1941-6-28 Siskiyou Castle Lake. 1920 Comment
  HSC699  Pedicularis racemosa William J. Ferlatte 1967-8-23 1101 Siskiyou Head of Kidd Creek 1982 Comment
  JEPS80571  Pedicularis racemosa Gilbert Muth 1965-8-3 159 Siskiyou Marble Valley and slopes Marble Valley; , Marble Mountain Wilderness Area 1792 Comment
  JEPS84183  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC34132  Pedicularis racemosa J. O. Sawyer 1970-7-3 2318 Siskiyou Trail to Haypress Meadows 1524 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  RSA749256  Pedicularis racemosa var. racemosa K. M. Meyer, A. Townesmith 2007-7-31 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  CAS-BOT-BC69318  Pellaea brachyptera Alice Eastwood 1922-10-18 11541 Siskiyou Shasta Springs Comment
  IRVC4790  Pellaea brachyptera William B. Cooke 1941-9-5 16275 Siskiyou MacBride Springs Mt. Shasta Comment
  UC1874951  Pellaea brachyptera Ruth Kirkpatrick 2003-8-1 1175 Siskiyou 7 air mi NNE of Seiad Valley. Along Seiad Creek Road (FS Road 48N20). East Fork of Seiad Creek. 1 air mile W of Copper Butte. 1396 Comment
  UC673175  Pellaea brachyptera Lincoln Constance and Reed C. Rollins 1942-5-14 2933 Siskiyou Shasta River 6 mi n of Yreka; Klamath-Siskiyou Region 762 Comment
  POM208290  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mountains:West Fork Cottonwood Creek. 1238 Comment
  HSC26148  Pellaea breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5689 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS84174  Pellaea breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6423 Siskiyou ca. 5 mi. n. town of Seiad Valley (cirque at head of Hell's Canyon, e. slope Kangaroo Mt.); Kangaroo Mt. 1828 Comment
  POM120360  Pellaea breweri Geo D. Butler 1910-7-9 1718 Siskiyou Marble Mtn. 1677 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
  SFV17489  Penstemon anguineus P. Wilson 1998-7-23 3547 dup. Siskiyou Marble Mountain Wilderness at Bear Lake. 1900 Comment
  UC922585  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-8 5597 Siskiyou top of grade between Sawyers Bar and Etna; between Sawyers Bar and Etna Comment
  RSA238751  Penstemon anguineus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1171 -a Siskiyou Near outlet, south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA50222  Penstemon anguineus E. K. Balls 1949-7-9 13929 Siskiyou 7.6 miles from Etna on road to Sawyer's Bar. 915 Comment
  SD73155  Penstemon anguineus Darley F. Howe 1969-8-30 Siskiyou North Fork of Salmon River near Blakes Creek, about 20 miles southwest of Aetna 1829 Comment
  UCSB22041  Penstemon anguineus Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; south of O'Brien; 22.6 miles north of Happy Camp 1219 Comment
  JEPS84074  Penstemon azureus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 a Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, 1/2 air mi fr Red Butte 1750 Comment
  JEPS101470  Penstemon azureus var. azureus Dean W. Taylor 1972-7-4 1596 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  UC1187077  Penstemon cinereus David D. Keck 1940-6-13 5174 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  CHSC110960  Penstemon davidsonii B. Castro; L. P. Janeway 2007-7-28 1663 Siskiyou High Cascade Range. SE shoulder of Glass Mountain, along trail ca 0.3 mi N of Modoc NF Rd43N99. 2145 Comment
  HSC91150  Penstemon davidsonii Jennifer Whipple 1976-7-25 1583 Siskiyou N slopes of Mt. Eddy 2561 Comment
  CAS-BOT-BC265364  Penstemon davidsonii var. davidsonii H. M. Hall 1902-9-7 s.n. Siskiyou Horse Camp, Mount Shasta Comment
  HSC20981  Penstemon deustus R. C. Wunner 1965-6-7 115 Siskiyou Lava Beds National Monument, 0.2 mi. from Indian Well Camp Ground 1387 Comment
  RSA238831  Penstemon deustus Frederick W. Oettinger 1967-8-3 238 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1941 Comment
  RSA47613  Penstemon deustus subsp. deustus Roxana S. Ferris, Laura Lorraine 1948-6-12 11728 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CHSC96032  Penstemon deustus var. suffrutescens L. P. Janeway 2006-7-3 8767 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  NY609822  Penstemon deustus var. suffrutescens C. L. Hitchcock 1939-7-7 5293 Siskiyou North side of Sanger Peak 1645.9 Comment
  NY600709  Penstemon gracilentus F. M. Ownbey 1940-7-3 2195 Siskiyou Near timber line on east side of Mt. Shasta Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  JEPS101503  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16048 Siskiyou Mallethead Rock, headwaters Willow Creek, Shasta Valley River drainage 1645 Comment
  SEINET10432477  Penstemon humilis var. humilis Karl A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Rd. ca 4.6 mi SE of jct. US 97 located 14.4 mi NE of Jct. US 97 and I-5 Business loop in Weed 1554 Comment
  SJSU6070  Penstemon humilis var. humilis R. W. Trivelpiece 1971-7-5 44 Siskiyou Little Shasta Cr c. 8 mi E of shasta Valley 1219 Comment
  JEPS107410  Penstemon laetus var. sagittatus Lowell Ahart, John Dittes 2005-6-9 12029 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
  SJSU6061  Penstemon laetus var. sagittatus R. W. Trivelpiece 1971-6-28 40 Siskiyou N of Alder Cr divide between whaleback & Haight Mt c. 15 mi N of Mt Shasta 1524 Comment
  CHSC118644  Penstemon laetus var. sagittatus Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -032 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539279m E, 4587169m N. 4944 Comment
  NY604568  Penstemon laetus var. sagittatus N. H. Holmgren 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 miles) northeast of Weed. 1100 Comment
  RSA43895  Penstemon laetus var. sagittatus H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  SEINET5328855 Image available Penstemon laetus var. sagittatus G. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  CAS-BOT-BC239335  Penstemon newberryi var. berryi Carl B. Wolf 1934-7-6 6021 Siskiyou SW. slope of Mt. Shasta. 1/2 mi. So. of trail to Horse Camp 1524 Comment
  CAS-BOT-BC239339  Penstemon newberryi var. berryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  UC27481  Penstemon newberryi var. newberryi C. B. Bradley 1879-1 Siskiyou Comment
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CAS-BOT-BC94548  Penstemon procerus subsp. brachyanthus R. C. Wenk 2006-9-2 544 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  UC130602  Penstemon procerus var. brachyanthus H. M. Hall 1909-7-28 8672 Siskiyou head of Salmon River Salmon Mountains, head of Salmon River 1645 Comment
  HSC99984  Penstemon roezlii Thomas W. Nelson, & Sydney Carothers 2005-7-17 9383 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  UC1045256  Penstemon roezlii W. Bridge Cooke 1940-7-26 15389 Siskiyou along the junction of the Memorial Highway and the Wagon Camp Road; Mount Shasta 1828 Comment
  HSC71133  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1978-7-24 4495 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  POM42981  Penstemon roezlii Geo. D. Butler 1910-6-23 1601 Siskiyou Yreka Creek. Comment
  UC722171  Penstemon rupicola C. L. Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak Comment
  JEPS82505  Penstemon rupicola Todd Keeler-Wolf 1983-8-14 728 Siskiyou 1/4 mi S of Terrace lake 2087 Comment
  NY661037  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou Near Yreka Comment
  RSA114968  Penstemon speciosus E. K. Balls, Lee W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  HSC4832  Perideridia gairdneri subsp. gairdneri J. O. Sawyer 1968-9-10 688 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  SEINET9615222 Image available Perideridia leptocarpa L. Constance, T. I & Fei-Mei Chuang, M. Sousa S. 1966-1 Siskiyou Cecilville, 5 miles nw of Cecilville 762 Comment
  UC1595826  Perideridia leptocarpa Wayne Rolle 1991-7-25 466 Siskiyou above road less than 1/4 mi s Butcher Gulch (above river); Rogue River National Forest, S Fork Salmon River Comment
  CAS-BOT-BC419263  Persicaria maculosa Doris K. Kildale 1928-7-25 5987 Siskiyou Klamath River, Mack's Creek near Hamburg 457 Comment
  UC165414  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  CAS-BOT-BC142702  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  UC910006  Phacelia corymbosa A. A. Heller 1916-7-22 12486 Siskiyou e side Mt. Eddy Comment
  UC673183  Phacelia egena Lincoln Constance and Reed C. Rollins 1942-5-13 2900 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  JEPS2095  Phacelia glandulifera W. L. Jepson 1940-6-23 20001 Siskiyou e Mayten (e side of valley); Little Shasta Valley 883 Comment
  CDA40413  Phacelia heterophylla subsp. virgata E. Hale 1984-5-8 s.n. Siskiyou At junction of Shasta and Klamath Rivers, near Yreka. 0 Comment
  JEPS81015  Phacelia heterophylla subsp. virgata J. P. Smith and Steve Selva 1970-6-15 Siskiyou 1 mi w junction Calif. 3 and Road 8 leading to Sugar Creek (sw of Callahan) 1158 Comment
  RSA427988  Phacelia heterophylla subsp. virgata Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  HSC2372  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat, near public camp 1524 Comment
  HSC41644  Phacelia mutabilis William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  SBBG41209  Phacelia mutabilis J. T. Howell 1939-8-2 Siskiyou Spirit Lake, Marble Mtns 1828 Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  JEPS100470  Phacelia pringlei Dean W. Taylor 2002-6-29 18201 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  UC909517  Phacelia pringlei Ira L. Wiggins 1950-5-28 12385 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  POM299318  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  SEINET12280311  Phacelia pringlei Unknown 1953-1 105 Siskiyou Cabin Meadow, 1 mi N of Cory Peak, Klamath National Forest 1844 Comment
  UC922466  Phacelia procera Annie M. Alexander and Louise Kellogg 1949-7-20 5814 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  UCR17259  Philadelphus lewisii subsp. californicus Frank C. Vasek 1975-6-29 750629- 04 Siskiyou 5.4 mi SW of Gazelle Comment
  UCSB14858  Phlox adsurgens Breedlove, Dennis 1961-7-2 Siskiyou 14.0 miles southeast of O'brien on road to Happy Camp; Siskiyou Mountains 1463 Comment
  UC106962  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC52514  Phlox austromontana Geo. B. Grant Sep 1902 5099 Siskiyou Horse Camp Mount Shasta 2438 Comment
  JEPS69942  Phlox diffusa W. L. Jepson 1940-6-27 20046 Siskiyou above head of Brewer Creek (e slope of Mt. Shasta); Mt. Shasta 2133 Comment
  POM75602  Phlox douglasii subsp. rigida Geo D. Butler 1910-3-13 1127 Siskiyou Klamath Hills. Comment
  RSA468395  Phlox hoodii subsp. canescens Christopher Davidson 1975-6-5 2682 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  SEINET3145518  Phlox hoodii subsp. canescens G. D. Butler 1910-3-13 1127 Siskiyou Klamath hills Comment
  HSC17167  Phlox rigida R. C. Wunner 1965-6-7 132 Siskiyou Lava Beds National Monument, near N prefab near Indian Well Campground 1433 Comment
  RSA52436  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman s Valley. 1159 Comment
  CAS-BOT-BC135022  Phoradendron bolleanum L. E. Smith 1914-3-19 s.n. Siskiyou Yerka Comment
  JEPS26589  Phyllodoce empetriformis Peter Kamb 1949-8-25 1483 Siskiyou s slope of Mount Shasta above Horse Camp; Mount Shasta 2468 Comment
  UC618899  Phyllodoce empetriformis W. Bridge Cooke 1938-7-21 11291 Siskiyou Mount Shasta, Heather Meadow, Panther Creek, (feature of the meadows at Panther and Squaw Creeks) Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  CAS-BOT-BC140608  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  CHSC1565  Physocarpus capitatus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  POM139966  Physocarpus capitatus M. S. Baker 1899-07 s.n. Siskiyou East slope of Mt. Shasta near Sisson on Ask Creek. Comment
  LA86569  Picea breweriana J. M. Tucker; 1963-7-5 3698 Siskiyou Blake's Fork of S Russian Creek (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar 1615 Comment
  SBBG47340  Picea breweriana J. T. Howell, G. H. True 1972-6-8 Siskiyou S of summit on rd from Takilma to Happy Camp Comment
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  NY30477  Picea breweriana L. E. Berriman 1940-9-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  UCD134319  Pinus albicaulis Robert E. Preston 2001-6-30 1649 d Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC78320  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  POM120194  Pinus attenuata Geo D. Butler 1908-8-26 518 Siskiyou Russian Creek 1220 Comment
  POM299043  Pinus attenuata Marion Ownbey, Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  UC1190165  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC705871  Pinus attenuata Marion Ownbey and Fred G. Meyer 1940-7-7 2219 Siskiyou near summit of Cayenne Ridge Marble Mountain, Cayenne Ridge Comment
  HSC4807  Pinus balfouriana J. O. Sawyer 1968-7-9 406 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC1585380  Pinus balfouriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 72 Siskiyou cirque above Deadfall Lakes (near Trinity Co. line); Mt. Eddy 2440 Comment
  UC1980210  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe 1972-7-21 s.n. Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  UC1980215  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe 1972-6-23 720623 Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  UCD134408  Pinus balfouriana J. M. Tucker; L. K. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  HSC29658  Pinus jeffreyi Frederick W. Oettinger 1968-9-8 775 Siskiyou 1/10 mi. N of English Lake, Bulk Collection # 49 1768 Comment
  RSA184684  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mountains. 2043 Comment
  HSC27950  Pinus lambertiana Carl W. Mize 1972-9-23 118 Siskiyou End of road 945 Comment
  HSC36706  Pinus lambertiana Brent Whitely 1975-6-28 103 Siskiyou 915 Comment
  RSA237207  Pinus lambertiana Frederick W. Oettinger 1967-8-26 329 Siskiyou Southeast of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CAS-BOT-BC73093  Pinus lambertiana William R. Dudley 1893-6-23 s.n. Siskiyou Near the top of the Castle Crags. Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  CAS-BOT-BC72870  Pinus ponderosa Doris K. Kildale 1928-7-3 5435 Siskiyou Forks of Salmon Comment
  UC1600413  Pinus ponderosa Hall and Babcock 1903-6-1 Siskiyou near Sisson Comment
  UC455180  Piperia colemanii I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  CAS-BOT-BC228038  Plagiobothrys Geo. D. Butler 1909-5-23 732 Siskiyou Near [Yreka?] Comment
  POM72154  Plagiobothrys greenei Geo. D. Butler 1909-4-30 668 Siskiyou Yreka Comment
  RSA610188  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  HSC76630  Plagiobothrys hispidulus K. T. Stillman 1976-6-26 119 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  UC163847  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou hills near Yreka Comment
  POM72138  Plagiobothrys tenellus Geo. D. Butler 1909-4-13 654 Siskiyou Yreka. Comment
  HSC86551  Platanthera dilatata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows region 1372 Comment
  HSC69212  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-7-24 2083 Siskiyou Lily Pad Lake 1768 Comment
  SBBG30576  Platanthera dilatata var. leucostachys D. Myrick 1968-6-28 2053 Siskiyou Mtn Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  HSC61293  Platanthera dilatata var. leucostachys Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley Comment
  RSA211309  Platanthera leucostachys William J. Ferlatte 1966-6-23 141 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  HSC60787  Platanthera sparsiflora Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  POM67770  Plectritis macrocera subsp. grayi Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek. Comment
  SEINET10960596  Poa A. Arthur Heller 1919-6-25 Heller 13266 Siskiyou Compton's prairie, north base of Mt. Eddy in the yellow pine belt. An almost treeless grassy area, well watered by the small streams forming the Shasta river. 1158 Comment
  HSC30565  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  CAS-BOT-BC6490  Poa bolanderi Harley Pierce Chandler 1901-6-1 1703 Siskiyou Near Marble Mountain, Shackleford Canyon 1524 Comment
  UC1265390  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou sw of Wire Grass Meadow above English Lake; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1676 Comment
  UCD90583  Poa bolanderi A. H. Murphy 1955-7-29 55 S Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  SEINET10660119  Poa gracillima A. Arthur Heller 1905-6-9 Heller 8007 Siskiyou Montague. Comment
  CAS-BOT-BC247010  Poa nervosa Douglas Barbe 1955-8-1 331 Siskiyou Summit, Mt. Bolivar, Scott Mts. 2468 Comment
  CDA2362  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2634 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  UCD91851  Poa pratensis Geo. D. Butler 1908-6-25 478 Siskiyou near Greka. Comment
  RSA129263  Poa pratensis H. S. Yates 1936-6-20 5806 Siskiyou Siskiyou Summit 1372 Comment
  UC1535351  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2107 Siskiyou ca 2.5 mi s Gazelle (e side of Old Hwy 99); Weed Quadrangle 902 Comment
  POM215748  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  RSA578034  Poa secunda L. C. Wheeler 1935-5-18 3498 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  SD107317  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazell to Callahan, 9.3 mi W of Gazell. Klamath National Forest 1470 Comment
  CAS-BOT-BC243223  Poa secunda subsp. secunda Douglas Barbe 1959-7-4 530 Siskiyou N shore of Caribou Lake, about 4 miles SW of Big Flat Camp, Klamath National Forest 2103 Comment
  CAS-BOT-BC243226  Poa secunda subsp. secunda Ira L. Wiggins 1955-7-27 13527 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive area 2042 Comment
  CDA18409  Poa secunda subsp. secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2618 Siskiyou Klamath Ranges; north edge of Fort Jones beside Hwy 3; ; 0.1 mi N of Hamilton St., Ft. Jones. 822 Comment
  SJSU6477  Poa secunda subsp. secunda R. W. Trivelpiece 1972-6-9 104 Siskiyou c. 4 mi E of Grass Lake 1524 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC1265444  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-6 1223 Siskiyou s side Pine Lake; Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1950 Comment
  UC197103  Poa secunda subsp. secunda Geo. D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1219 Comment
  UCD91740  Poa wheeleri Dean Wm. Taylor 1975-8-14 5462 Siskiyou Mt. Shasta. Between Shasta Ski area and Green Butte. 2590 Comment
  UC1112247  Pogogyne zizyphoroides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5940 Siskiyou ca. 2 miles North of Weed along Highway 99 1036 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  UC933398  Polemonium californicum Annie M. Alexander and Louise Kellogg 1948-9-9 5608 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake 1828 Comment
  HSC76631  Polemonium californicum K. T. Stillman 1976-6-17 17 Siskiyou Marble Mtn. Wilderness Area 1768 Comment
  RSA262351  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC232902  Polemonium carneum Grace Wood 1919-5-9 s.n. Siskiyou Greenhorn Road Comment
  UC335946  Polemonium occidentale J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  CAS-BOT-BC74164  Polyctenium fremontii H. Lewis 1940-1-1 1901 Siskiyou At edge of Grass Lake. 1219 Comment
  RSA275400  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
  RSA460151  Polygala cornuta var. cornuta Cora Mae Life 1923-08 s.n. Siskiyou Mt. Shasta Comment
  UC618619  Polygala cornuta var. cornuta W. Bridge Cooke 1938-7-22 11324 Siskiyou on lava outcropping along trail Mount Shasta, Sisson Southern Trail 1371 Comment
  CAS-BOT-BC170333  Polygala cornuta var. cornuta W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton, near Black Butte Comment
  CHSC88095  Polygonum aviculare Jenny Marr 1993-7-1 105 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC164038  Polygonum bistortoides Geo. D. Butler 1908-8-4 183 Siskiyou Shackleford Creek; head Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  JEPS50517  Polygonum convolvulus Geo. D. Butler 1908-8-29 197 Siskiyou near Oro Fino; Marlahan Ranch Comment
  CAS-BOT-BC414587  Polygonum douglasii Wm. Bridge Cooke 1938-8-5 11447 Siskiyou Mount Shasta. MacBride Springs Comment
  RSA237769  Polygonum douglasii Frederick W. Oettinger 1968-9-2 676 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  RSA33410  Polygonum douglasii Doris K. Kildale 1925-9-6 1282 Siskiyou Somes Bar. Comment
  JEPS83570  Polygonum douglasii subsp. douglasii Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9226 Siskiyou Forest Rd 36N06 at crossing of Tate Creek; McCloud River drainage 1484 Comment
  CHSC71597  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald; Lowell Ahart 1998-8-3 9405 Siskiyou Junction of Gazelle-Callahan Rd. and USFS 41N03 11.5 mi west of Gazelle. 1524 Comment
  UC1509617  Polygonum douglasii subsp. spergulariiforme L. and P. Ahart 1983-9-13 4411 Siskiyou near Hwy 96 (near the Klamath River, ca 5 mi w of Interstate 5) 1000 Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  POM211807  Polygonum hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. Mt. Diablo Mer. 671 Comment
  UC1312939  Polygonum minimum J. M. Tucker and L. K. Mann 1963-8-17 3743 Siskiyou Marble Mountain Wilderness Area; along trail from Red Rock Valley to top of ridge to s 1859 Comment
  CAS-BOT-BC420951  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  HSC28660  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  CAS-BOT-BC76729  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  CAS-BOT-BC76765  Polystichum imbricans subsp. imbricans William Bridge Cooke 1938-9-2 11594 Siskiyou Mount Shasta - along the Sisson Southern Trail on a lava flow. Comment
  UC185240  Polystichum lemmonii Geo. D. Butler 1910-7-12 1756 Siskiyou Schackleford Creek 1371 Comment
  UC371156  Polystichum lemmonii G. D. Butler 1908-8-5 238 Siskiyou meadow below Cold Spring (Wooly Creek) Comment
  UC1313058  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek; Marble Mt. Wilderness Area 1950 Comment
  HSC67731  Polystichum munitum John Palmer 1980-8-12 698 Siskiyou SE of Ward's Gap. 1189 Comment
  CHSC40  Polystichum scopulinum V. Holt 1936-7-2 Siskiyou Mt. Eddy. 1828 Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  SBBG28170  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Crk 1981 Comment
  RSA693355  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  CAS-BOT-BC102762  Populus tremuloides W. B. C. 1938-8-25 11586 Siskiyou Along Pilgrim Creek, forest along Pilgrim Creek east of Widow Spring 1371 Comment
  JEPS125852  Potamogeton alpinus subsp. tenuifolius Dean W. Taylor 1996-6-24 15741 Siskiyou Klamath River canyon near Oregon State line Comment
  UC725956  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou Abram Lake Comment
  CDA848  Potamogeton pectinatus P. Zedeker 1964-7-28 Siskiyou Orr Lake, northwest of Bray. 0 Comment
  UCR101770  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  CDA26068  Potentilla anserina D. L. Janssen, F. D. Horn 1978-6-16 Siskiyou Just west of Bray. 0 Comment
  SD231135  Potentilla breweri James R. Shevock, B. Williams. 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains. 2012 Comment
  SEINET11916232  Potentilla breweri var. expansa H. P. Chandler 1901-1 1697 Siskiyou Ridges & meadows near Marble Mtn 1524 Comment
  UC648279  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  RSA134220  Potentilla glandulosa var. nevadensis Peter H. Raven 1956-9-4 10401 Siskiyou S side of Mt. Eddy 2561 Comment
  HSC62286  Potentilla gracilis Al Hobart 1967-8-8 Siskiyou Youngs Valley 1524 Comment
  JEPS121622  Potentilla gracilis Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. SW aspect. Mount Eddy quadrangle. TL04A Comment
  CAS-BOT-BC540561  Potentilla gracilis var. fastigiata A. A. Heller 1905-6-22 8092 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC540573  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-29 10985 Siskiyou Pumice Mt. Comment
  RSA105311  Potentilla millefolia M. S. Baker 1955-6-26 13080 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  HSC73351  Prosartes hookeri Gail Newton 1980-6-20 447 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC516388  Prosartes hookeri Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  UCLA49010  Prunella vulgaris W. Bridge Cooke 1940-8-2 15401 Siskiyou Bear Springs Mount Shasta; , Bear Springs Comment
  HSC18927  Prunella vulgaris subsp. lanceolata J. O. Sawyer 1969-7-26 1586 Siskiyou Along Sugar Creek 1707 Comment
  RSA238553  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Local population in wet meadow near spring hole just west of the Horse Range Lake outlet. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  CAS-BOT-BC158210  Prunus emarginata L. R. Abrams 1922-8-7 9919 Siskiyou Shasta Springs Comment
  CAS-BOT-BC158215  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  CAS-BOT-BC158219  Prunus emarginata Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC158242  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  CHSC1583  Prunus emarginata M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 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
  UC154511  Prunus emarginata Harley P. Chandler June, 1901 1603 Siskiyou near Marble Mountain (Klamath River to Marole Mountain); North Coast Range 1828 Comment
  POM88254  Prunus subcordata Geo. D. Butler 1909-4-14 644 Siskiyou Humbug divide. Comment
  SEINET10542452  Prunus subcordata David B. Dunn 1971-8-15 Dunn 18143 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  CAS-BOT-BC151232  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, south of camp, Marble Mts. 1792 Comment
  JEPS44608  Prunus virginiana var. demissa W. L. Jepson 1940-7-3 20092 Siskiyou 6 mi e of McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp 944 Comment
  HSC43366  Pseudognaphalium stramineum N. G. Sugihara 1977-5-28 86 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  UCD91516  Pseudoroegneria spicata W. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, 12 miles NE of Weed. Comment
  RSA17736  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Bed National Monument Comment
  CAS-BOT-BC94427  Pseudostellaria jamesiana R. C. Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  UC1185304  Pseudostellaria jamesiana H. E. Brown 1897-6-10 Siskiyou near Sisson; near Sisson 1083 Comment
  RSA52432  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  RSA68884  Pseudostellaria jamesiana A. E. Culbertson 1943-7-2 72 Siskiyou Along Castle Lake road from town of Shasta, 6600ft eastern spur of Trinity Mts, 10 air miles from headwaters of Sacramento River to w and 12 miles SW of Mt Shasta 1219 Comment
  CAS-BOT-BC80177  Pseudotsuga menziesii Doris K. Kildale 1927-11-20 4178 Siskiyou Fort Jones Comment
  RSA24182  Pseudotsuga menziesii C. B. Wolf 1940-12-11 9795 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  UC401305  Pseudotsuga menziesii var. menziesii Geo. D. Butler 1908-7-20 522 Siskiyou Humbug Mountain Comment
  UC60896  Pseudotsuga menziesii var. menziesii W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  JEPS24801  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6810 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  JEPS94101  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald and Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir 1112 Comment
  CAS-BOT-BC361905  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath River at Cherry Flat, Siskiyou Mts. 518 Comment
  CHSC1418  Pterospora andromedea 1936-7-14 Siskiyou Black Butte 1158 Comment
  HSC30610  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Marble Mountain Wilderness Area. Trail from Abbott's Lake to Cold Springs. 1524 Comment
  HSC67724  Pterospora andromedea John S. Palmer 1980-8-12 680 Siskiyou SE of Wards Gap. 1189 Comment
  UC637120  Pterospora andromedea Edward Lee 1934-8-13 1077 a Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian 1432 Comment
  CDA38858  Pterospora andromedea J. R. Grisham 1962-7-26 s.n. Siskiyou Near Medicine Lake. 0 Comment
  RSA578036  Puccinellia distans L. C. Wheeler 1935-6-30 3634 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA715803  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CHSC88366  Puccinellia nuttalliana Jenny Marr 1993-7-1 172 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC147902  Purshia tridentata var. tridentata Carl B. Wolf 1927-8-26 1033 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC99616  Pyrola aphylla J. O. Sawyer 1969-7-11 856 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC460857  Pyrola aphylla David D. Keck 1938-8-6 4805 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  CAS-BOT-BC460870  Pyrola aphylla Alice Eastwood 1921-7-26 10860 Siskiyou Soda Creek Comment
  RSA0082808  Pyrola aphylla M. B. Dunkle 1944-7-17 9119 Siskiyou Deer Creek. 1767 Comment
  RSA240092  Pyrola californica Frederick W. Oettinger 1969-8-9 1322 Siskiyou At the stream crossing that is crossed approx. 0.6 mi. before the last crossing of the North Fork River en route up to Abbotts Upper Cabin on the main trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 1357 Comment
  HSC44709  Pyrola dentata J. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  UC933401  Pyrola picta Annie M. Alexander and Louise Kellogg 1948-9-8 5605 Siskiyou Top of grade between Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC466137  Pyrola picta L. B. Kildale 1930-6-1 9783 Siskiyou Black Bear Trail to Sawyers Bar 609 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
  CAS-BOT-BC362390  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  CAS-BOT-BC94666  Quercus garryana Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles N of Happy Camp. Comment
  CHSC86650  Quercus garryana Jenny Marr 1993-7-1 33 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC27242  Quercus garryana J. P. Smith, J. O. Sawyer 1971-9-18 4815 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC142637  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  SFV5114  Quercus garryana B. C. Templeton 1957-6-21 s. n. Siskiyou North of Callahan Comment
  CAS-BOT-BC62762  Quercus garryana var. breweri Doris K. Kildale 1929-7-20 8626 Siskiyou trail along South Fork Indian Creek to Elk Lick Comment
  RSA639547  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6941 Siskiyou [No location information on label.] Comment
  UC705928  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou 21 mi n Happy Camp; Summit of Siskiyou Mountains Comment
  SEINET5644358  Quercus kelloggii Alv Dan Youngberg 1964-7-18 91 Siskiyou Elevation 2100 feet. Growing at West Branch Guard Station. Humbolt Meridian.; 0 640 Comment
  CAS-BOT-BC104337  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1371 Comment
  HSC64656  Quercus sadleriana J. O. Sawyer 1977-7-7 3042 Siskiyou Rd. to Haypress Meadows at Camp 3 1037 Comment
  SBBG25325  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou jct Red Rock Valley trail and Cyn Crk trail; Marble Mtn Wilderness 1341 Comment
  SFV17814  Quercus sadleriana J. M. Tucker 1972-8-8 4247 B Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UC1409454  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou n shore Tobacco Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Engliah P 1889 Comment
  CAS-BOT-BC104632  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  POM106390  Quercus vacciniifolia Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain. Comment
  RSA237819  Quercus vacciniifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1252 Siskiyou Southwest-facing slope of lower Toms Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1483520  Quercus vacciniifolia John Palmer 1980-7-24 671 Siskiyou Dillon Divide Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
  UC338543  Quercus vacciniifolia unknown 1888-8-24 Siskiyou near Castle Lake (near Sisson's) Comment
  HSC43362  Ranunculus alismifolius var. alismellus N. G. Sugihara 1977-5-28 64 Siskiyou Bank along Haypress Meadow trail 1372 Comment
  HSC60673  Ranunculus flammula var. ovalis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  HSC28743  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Marble Mtn. Wilderness Area, 100 ft. down outlet stream at NE corner of Charmaine Lake 1905 Comment
  RSA49963  Ranunculus orthorhynchus E. K. Balls 1949-7-8 13898 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  RSA604933  Ranunculus uncinatus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  UC705886  Rhamnus californica subsp. californica Marion Ownbey and Fred G. Meyer 1940-7-8 2224 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  CAS-BOT-BC56115  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Cottville, Klamath River, Mt. Diablo Mer. 566 Comment
  POM210877  Rhamnus purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  CAS-BOT-BC109793  Rhodiola integrifolia subsp. integrifolia Gilbert Muth 1966-7-31 474 Siskiyou North side of Black Mountain. Marble Mountains. 2057 Comment
  CAS-BOT-BC53739  Rhododendron columbianum Gilbert J. Muth 1969-8-10 1349 Siskiyou Buckhorn Lake, along shore 2255 Comment
  CHSC86649  Rhododendron neoglandulosum Jenny Marr 1993-7-1 32 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC22136  Rhododendron occidentale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA471029  Rhododendron occidentale var. californicum B. C. Templeton 1960-6-21 8537 Siskiyou Between Callahan and the summit of Scott mts. Comment
  CAS-BOT-BC200400  Rhododendron occidentale var. paludosum Doris K. Kildale 1929-7-21 8741 Siskiyou Elk Lick, south fork Indian Creek Comment
  CAS-BOT-BC200405  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  POM92097  Ribes aureum Geo. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92410  Ribes aureum var. aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC173291  Ribes lacustre Roxana S. Ferris; Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA0021101  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC173385  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek S side of S Fork of Salmon River 960 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  JEPS89033  Ribes lobbii Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC1408857  Ribes lobbii Frederick W. Oettinger 1969-8-6 1250 Siskiyou outlet Pine Lake; Salmon Mountains, Marble Mountain Wilderness 1828 Comment
  UCD102253  Ribes lobbii Geo C. Wood 1940-4-30 s.n. Siskiyou Yreka. Comment
  RSA0021151  Ribes lobbii Geo. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC6179  Ribes nevadaense Alice Eastwood 1893-8-13 s.n. Siskiyou Mt. Shasta Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  SEINET5339750  Ribes nevadense G. Butler 1910-7-12 1759 Siskiyou Dry ridge Shackleford Creek 1372 Comment
  CDA25560  Ribes odoratum J. R. Grisham 1965-7-29 Siskiyou F. Schultz property, Yreka. 0 Comment
  CAS-BOT-BC200013  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-4 5521 Siskiyou Summit of divide between Salmon River and Scott Valley on road to Etna Comment
  HSC65648  Ribes roezlii var. cruentum J. P. Smith 1976-5-5 8700 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  CAS-BOT-BC186290  Ribes roezlii var. roezlii Laura M. Lathrop 1903-7-22 s.n. Siskiyou Shasta Retreat Comment
  JEPS49240  Ribes sanguineum Geo. D. Butler 1909-4-26 672 Siskiyou Quartz Valley Comment
  CAS-BOT-BC173902  Ribes velutinum Doris K. Kildale 1929-6-25 8369 Siskiyou 6 miles north of Hornbrook on Klamath River 609 Comment
  UC54302  Ribes velutinum H. M. Hall and E. B. Babcock June, 1903 4102 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 914 Comment
  CAS-BOT-BC168790  Ribes viscosissimum Harley P. Chandler 1901-6-1 1597 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC168795  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  CAS-BOT-BC168799  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mts. 1813 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
  JEPS74540  Ribes viscosissimum W. J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  CAS-BOT-BC74372  Rorippa columbiae L. E. Smith 1915-6-30 s.n. Siskiyou Bray. Comment
  CDA33348  Rorippa columbiae Dale Woods 2010-9-9 s.n. Siskiyou In the vicinity of Medicine Lake (Dry Lake). 0 Comment
  CDA23021  Rorippa columbiae F. D. Horn, M. Coll. 1977-7-28 s.n. Siskiyou Wildlife Refuge, Tulelake. 0 Comment
  RSA184740  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  RSA237785  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Between English Lake and Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  CAS-BOT-BC147141  Rubus glaucifolius D. K. Noyes 1911-9-29 22 Siskiyou Klamath National Forest Comment
  SEINET10542809  Rubus leucodermis LeRoy E. Detling 1947-6-4 Detling 6108 Siskiyou Slater butte, klamath national forest. T17n,r7e,sec.13. Douglas fir, oak Forest. Humboldt mer. Pseudotsuga tacifolia, quercus chrysolepis, q. Kelloggii, Arbutus menziesii, acer macrophyllum, pinus lambertiana. Mountain slope. Nw Exsposure. Rocky clay-loam. Mod. Dry, partial shade. Occasional 1067 Comment
  CAS-BOT-BC147315  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou On the Sacramento opposite Upper Soda Spring and Shasta Retreat Comment
  CHSC1599  Rubus parviflorus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  HSC65560  Rubus parviflorus R. White 1977-7-21 132 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  RSA237646  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UCR66495  Rubus ursinus L. C. Wheeler 1934-6-29 2824 Siskiyou Siskiyou Mtns, Soda Creek, Sterling Mountain 1280 Comment
  POM208282  Rubus vitifolius Louis C. Wheeler 1934-6-29 2824 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  CAS-BOT-BC363144  Rudbeckia californica L. R. Short 1933-9-8 67 Siskiyou Klamath National Forest. Deer Camp near Dry Lake 1889 Comment
  UC1023810  Rumex acetosella Douglas Barbe 1955-6-29 41 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  CAS-BOT-BC422224  Rumex acetosella Doris K. Kildale 1928-7-4 5497 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC376593  Rumex maritimus Andrew Townesmith; Karen M. Meyer 2007-8-3 897 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  JEPS39939  Rumex occidentalis W. L. Jepson 1914-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  UC54227  Rumex occidentalis H. M. Hall and E. B. Babcock Jun 1903 4065 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CAS-BOT-BC433865  Rumex salicifolius Peter H. Raven 1956-8-11 10068 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 91 Comment
  CDA23190  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  HSC17613  Rumex triangulivalvis R. C. Wunner 1965-6-22 264 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  RSA210801  Ruppia cirrhosa Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39035 Siskiyou Along Highway 161 at north edge of White Lake, 13.5 miles east of junction of Highways 97 and 161. 1280 Comment
  SEINET10612171  Sabina occidentalis A. Arthur Heller 1938-7-12 Heller 15262 Siskiyou About 2 miles north of Bray, scattered among the sagebrush, in the Upper Sonoran Life Zone. It is one of the index plants for this zone here. Comment
  HSC44957  Sagina saginoides J. O. Sawyer 1978-6-16 3228 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC29621  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou Marble Mountain Wilderness Area, near Abbott's 1860 Comment
  HSC92353  Sagina saginoides Jennifer Whipple 1976-7-24 1569 Siskiyou Near Dobkins Lake 2073 Comment
  UC935797  Sagittaria cuneata Herbert L. Mason 1948-7-18 13607 Siskiyou Grass Lake Comment
  HSC19410  Salix eastwoodiae J. O. Sawyer 1968-7-22 540 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC28670  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou Marble Mtn. Wilderness Area, E outlet of Diamond Lake 2073 Comment
  HSC28671  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  RSA184759  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  UC922325  Salix eastwoodiae Annie M. Alexander and Louise Kellogg 1949-7-21 5828 Siskiyou Paradise Lake; Marble Mts. 1920 Comment
  POM106927  Salix exigua Geo. D. Butler 1908-6-25 150 Siskiyou Near Yreka. Comment
  SD79846  Salix exigua var. hindsiana Helen V. Witham 1969-10-8 579 Siskiyou Scott River at Indian Scotty Campground 700 Comment
  CAS-BOT-BC125464  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 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-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC576384  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124546  Salix lasiolepis var. lasiolepis Doris K. Kildale 1928-7-1 5322 Siskiyou Forks of Salmon - Salmon River Comment
  LA208890  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-19 415 Siskiyou NE side of Mount Eddy, about 16 km NW of Shasta City, above Metcalf ranch house 1455.0 Comment
  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
  SJSU191  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou above Metcalf Ranch House, NE side of Mt Eddy c. 16 km NW of Shasta City 1463 Comment
  POM107035  Salix lucida subsp. lasiandra Geo. D. Butler 1910-4-13 1171 Siskiyou Yreka Creek. Comment
  POM208268  Salix lucida subsp. lasiandra Louis C. Wheeler 1934-7-5 2893 Siskiyou Hungry Creek. Siskiyou Mtns. 1372 Comment
  SBBG57824  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  UC481729  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp; Flume Creek - tributary of Pit River 555 Comment
  CAS-BOT-BC125931  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou McCloud River at [Glazier] Glaser/Glacierview Comment
  CAS-BOT-BC220806  Salvia dorrii var. dorrii Elmer I. Applegate 1932-6-13 7242 Siskiyou Lava Beds National Monument. Captain Jack's Stronghold, north of the monument area, near old shoreline of Tule Lake Comment
  HSC14354  Salvia dorrii var. incana R. C. Wunner 1965-6-13 150 Siskiyou Lava Beds National Monument, Devil's Homestead Lava Flow 1296 Comment
  CAS-BOT-BC233267  Salvia mellifera Kate Eastwood Phelps 1935-4-1 s.n. Siskiyou Pt. Sal Comment
  CAS-BOT-BC235043  Sambucus A. M. Vollmer; L. Beane 1953-7-1 111 Siskiyou Junction, Horse Creek-Klamath River Comment
  HSC91433  Sambucus nigra subsp. caerulea Jennifer Whipple 1978-10-6 2417 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  CAS-BOT-BC236480  Sambucus racemosa subsp. racemosa Wm. Bridge Cooke 1938-9-8 11674 Siskiyou South side of Red Butte, Mount Shasta 2286 Comment
  HSC674  Sambucus racemosa var. melanocarpa William J. Ferlatte 1967-7-26 747 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  SEINET11912599  Sanguisorba annua Unknown 1986-1 60333 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Road (Rd 45N22) at intersection with roads 1018 Comment
  JEPS30256  Sanicula graveolens Al Hobart 1963-6-8 Siskiyou Siskiyou Mountains, Poker Flat Poker Flat; Siskiyou Mountains, Poker Flat 1536 Comment
  SD79816  Saponaria officinalis Helen V. Witham 1969-10-7 580 Siskiyou Along Scott River. 500 Comment
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Jul 10 2010
  UCD98483  Saponaria officinalis J. M. Tucker 1950-7-24 1947 Siskiyou lot beside Highway 99 on outskirts of town of Mount Shasta. Comment
  UCD98487  Saponaria officinalis Francia Chisaki; Helen Sharsmith 1959-8-20 4740 Siskiyou in Scott Valley, 3 miles before reaching Etna on road from Callahan. 853 Comment
  UCSB24548  Saponaria officinalis Keefe, Joseph 1967-7-11 Siskiyou Fort Goff Campground; east of Seiad Valley 396 Comment
  HSC49938  Saussurea americana G. L. Clifton, Ground 1978-7-30 2461 Siskiyou Near White Mt., close to the town of Seiad Valley 1738 Comment
  JEPS84347  Saxifraga ferruginea L. R. Heckard with J. Hickman et al. 1986-7-17 6531 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA760537  Saxifraga ferruginea R. F. Thorne, Frederick W. Oettinger 1969-8-4 63360 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CDA25440  Saxifraga nidifica G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2655 Siskiyou Behind motel and restaurant at Old Highway 99 and Greenhorn Road, south edge of Yreka. 0 Comment
  RSA238323  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice S of Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  CAS-BOT-BC445883  Saxifragopsis fragarioides C. G. Pringle 1909-7-15 897 Siskiyou Highland Mine 1828 Comment
  UC1360404  Saxifragopsis fragarioides Jack Major, M. Fleschner, and R. Pemble 1966-9-4 Siskiyou near top Marble Mountain; Marble Mountains 2225 Comment
  SEINET3991640  Schoenolirion Unknown 1941-6-20 Siskiyou Between Weed and zreka. Comment
  CAS-BOT-BC111413  Schoenoplectus acutus var. occidentalis Doris K. Kildale 1929-7-21 8742 Siskiyou Elk Lisk, South Fork of Indian Creek 1219 Comment
  HSC68402  Scirpus congdonii Maralyn A. Renner 1980-6-26 1136 Siskiyou Flint Valley. 1390 Comment
  HSC69109  Scirpus congdonii Maralyn A. Renner 1980-8-6 2306 Siskiyou Cracker Meadow 1555 Comment
  RSA119342  Scirpus congdonii S. S. Tillett 1956-7-9 641 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  HSC73230  Scirpus microcarpus Gail Newton 1980-6-20 514 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET13751479  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  HSC92411  Scutellaria antirrhinoides Jennifer Whipple 1976-7-13 1455 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  UC1713595  Scutellaria antirrhinoides C. Epling 1938-6-12 Siskiyou between Happy Camp and Orleans Comment
  UCD69139  Scutellaria antirrhinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  HSC29313  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Marble Mtn. Wilderness Area, Wiregrass Meadow below English Lake 1677 Comment
  HSC63624  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-6-14 3867 Siskiyou Comment
  POM208261  Scutellaria antirrhinoides Louis C. Wheeler 1934-6-4 2633 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  POM69571  Scutellaria antirrhinoides Geo. D. Butler 1910-5-23 1401 Siskiyou Dry land near Yreka Comment
  UC164121  Scutellaria siphocampyloides Geo. D. Butler 1909-6-20 939 Siskiyou near Yreka Comment
  CAS-BOT-BC240099  Secale cereale Milo S. Baker 1955-6-27 13088 Siskiyou About 1 mi. W of Gazelle on rd. to Callahan 914 Comment
  HSC77356  Sedum lanceolatum var. lanceolatum L. P. Janeway 1982-6-27 28 Siskiyou SE side of Elk Creek 701 Comment
  UC1736760  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  UCD77119  Sedum obtusatum Robert E. Preston 2001-6-30 1648 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1828 Comment
  UCSB22048  Sedum obtusatum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  HSC19539  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1918 Siskiyou South Sugar Creek 2043 Comment
  HSC90579  Sedum obtusatum subsp. retusum Jennifer Whipple 1976-7-2 1254 Siskiyou Mt. Eddy: Near Dobkins Lake 2073 Comment
  UC1190125  Sedum radiatum Ira L. Wiggins 1955-7-22 13458 Siskiyou ridge w China Creek (s side of S Fork Salmon River); , w of China Creek 944 Comment
  CAS-BOT-BC278103  Sedum spathulifolium Peter F. Zika 2011-7-19 25646 Siskiyou Forest Service Road 1055, 7.7 road miles above junction with Road 1050; 2.5 air miles SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR) 1510 Comment
  JEPS83985  Sedum stenopetalum L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6485 Siskiyou w ridge Copper Butte (e of Cook and Green Pass); w ridge Copper Butte, e of Cook and Green Pass 1554 Comment
  RSA0035471  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  UC371152  Selaginella wallacei G. D. Butler 1909-7-20 874 Siskiyou Highland Mine Comment
  JEPS19024  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Salmon Range 1828 Comment
  HSC43380  Senecio aronicoides Maralyn O'Meara 1974-5-26 457 Siskiyou Along FS road 47N03 1524 Comment
  RSA0013320  Senecio aronicoides J. P. Smith 1974-5-26 7546 Siskiyou Along Forest Service Road 47N03 1524 Comment
  SEINET10908347  Senecio aronicoides Katherine L. Morris, David B. Dunn; Melvin L. Conrad 1973-5-25 Morris 273 Siskiyou Collected 32.9 mi. NW of the junction of Hwy. 89 & 299 on Hwy. 89, in a pure stand of ponderosa pine. 14.3 mi. E of McCloud. Comment
  RSA0124984  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou U.S. Highway 97 12.3 miles south of Macdoel. Comment
  HSC27490  Senecio integerrimus var. major J. P. Smith, J. O. Sawyer 1972-5-27 5346 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  OBI55440  Senecio sylvaticus David J. Keil 1992-7-20 23499 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest rd 46N64, 6.5 mi W of Scott river Rd, 1 mi S of turnoff to Lover's camp Comment
  CAS-BOT-BC364425  Senecio triangularis John Thomas Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA22180  Senecio triangularis J. T. Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC163919  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC4762  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou N side of Caribou Mtns. 1982 Comment
  UC34808  Sericocarpus oregonensis subsp. oregonensis Brewer 1432 Siskiyou Strawberry Hill Mt. Shasta 1066 Comment
  CHSC99695  Sibbaldia procumbens L. P. Janeway 2008-7-24 9473 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  HSC73257  Sidalcea malviflora M. A. Baker 1980-6-20 2186 Siskiyou Near Bald Mtn. 1036 Comment
  UC454909  Sidalcea oregana subsp. oregana I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Shasta Retreat (dry bank by R.R.) Comment
  UC108898  Sidalcea oregana subsp. spicata T. S. Brandegee July 1887 Siskiyou Sissons Comment
  UC642536  Sidalcea oregana subsp. spicata W. Bridge Cooke 1939-7-7 13589 Siskiyou established at Bear Springs Mount Shasta, Bear Springs Comment
  RSA448234  Sidalcea oregana subsp. spicata L. S. Rose 1937-7-26 37608 Siskiyou McCloud 1006 Comment
  JEPS50938  Silene antirrhina W. L. Jepson 1894-7 Siskiyou Sisson Comment
  UC609314  Silene bernardina Eleanor Burks Hart 1938-8-16 951 Siskiyou Upper Wright Lake 2225 Comment
  JEPS84222  Silene campanulata subsp. glandulosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6365 Siskiyou ca 7 mi nne Seiad Valley (ca 1/2 mi e of Red Butte summit, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1900 Comment
  UCD98560  Silene campanulata subsp. glandulosa James P. Smith 1973-5-5 6370 Siskiyou in and around the O'neill campground near Seiad Valley. 487 Comment
  SEINET1004224  Silene douglasii var. douglasii Mark Fishbein, Lane Greer 2006-1 5880 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 1990 Comment
  HSC92645  Silene douglasii var. douglasii Jennifer Whipple 1977-8-6 2206 Siskiyou Dobkins Lake, just below outlet of lake 2058 Comment
  CAS-BOT-BC388960  Silene grayi John Thomas Howell 1937-7-26 13534 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC388965  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  HSC18949  Silene grayi G. L. Clifton, Griswold 1979-6-28 6103 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS40851  Silene grayi Paul C. Hutchison 1962-8-2 940 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta; , between Panther Meadow and top of ski lift 2621 Comment
  UC722486  Silene grayi C. L. Hitchcock, J. S. Martin 1939-7-9 5320 Siskiyou between King's Castle and Black Mt. (w side of ridge); btw King's Castle and Black Mt. 1828 Comment
  CAS-BOT-BC388943  Silene grayi Mary Ann Showers 1980-8-7 1983 Siskiyou Summit ridge of Marble Mt., 1/4 mi w of summit 2042 Comment
  CAS-BOT-BC388946  Silene grayi Mary Ann Showers 1980-7-23 1909 b Siskiyou At summit of Little Mt. Hoffman 2225 Comment
  HSC59820  Silene menziesii D. H. Norris 1968-7-28 2198 Siskiyou Along Salmon River ca. 1 mi. S of Big Flat 1524 Comment
  CAS-BOT-BC75155  Sisymbrium altissimum Doris K. Kildale 1928-7-25 5864 Siskiyou Klamath River. Clyborne's Ranch - between Gottville and Brown's Resort. Comment
  UC429226  Sisyrinchium bellum Annie M. Alexander and L. Kellogg 1911-7-16 250 Siskiyou South Fork of Salmon River Comment
  UC375213  Sisyrinchium idahoense var. idahoense Geo. D. Butler 1908-6-29 532 Siskiyou Cherry Creek Comment
  HSC61170  Smilax californica Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CHSC91239  Solanum dulcamara Lowell Ahart; John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA238032  Solanum umbelliferum Frederick W. Oettinger 1969-7-11 971 Siskiyou Approx. 0.2 mile below the 13 mile marker along the trail from English to Diamond Lake. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains. 2012 Comment
  CAS-BOT-BC365580  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Comment
  JEPS80578  Solidago elongata Gilbert Muth 1965-8-3 146 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  CAS-BOT-BC339855  Solidago multiradiata C. F. Baker 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC339859  Solidago multiradiata Alice Eastwood 1912-8-30 1996 Siskiyou Mount Eddy Comment
  HSC6197  Solidago multiradiata R. C. Wunner 1965-8-14 429 Siskiyou California Lava Beds N. P.; 2 mi. SW on Tichner Rd. from Mammoth Crater 1494 Comment
  JEPS95389  Solidago multiradiata Vernon H. Oswald and L. Ahart 1994-8-1 6419 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. 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
  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
  UC195207  Solidago multiradiata Annie M. Alexander and Louise Kellogg 1911-8-14 326 Siskiyou Mt. Eddy 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-BC374523  Sonchus asper W. B. Cooke; V. G. Cooke 1963-7-12 34329 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC157323  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 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
  UC1190120  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake; Salmon Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC158894  Sorbus scopulina D. M. Traugh 1933-8-6 5 Siskiyou Klamath National Forest 1783 Comment
  CAS-BOT-BC158933  Sorbus scopulina W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  HSC30220  Spergularia rubra William J. Ferlatte 1968-6-8 1126 Siskiyou Mountain Meadow Ranch. 1524 Comment
  HSC34316  Sphenosciadium capitellatum J. P. Smith, J. O. Sawyer 1973-8-15 7330 Siskiyou Along Shakleford Creek 1524 Comment
  JEPS84262  Spiraea densiflora L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6356 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  POM91543  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC149681  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC149693  Spiraea douglasii Alice Eastwood 1912-8-30 1968 Siskiyou Mount Eddy Comment
  RSA237603  Spiraea douglasii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1213 Siskiyou Young's Cabin on English Lake trail towards Abbotts. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  JEPS78185  Spiraea douglasii Gary W. Zamzow 1972-7-20 97 Siskiyou 28.8 mi nw Highway 89 junction with Highway 299 (growing beside Highway 89) 1158 Comment
  UC1408913  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1889 Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA382197  Spiranthes romanzoffiana Louis C. Wheeler 1934-8-14 3117 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  JEPS84076  Stachys ajugoides var. rigida L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6306 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp) Comment
  UC416580  Stachys ajugoides var. rigida H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  HSC48294  Stachys mexicana J. O. Sawyer, K. Stillman 1978-7-6 3353 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC27097  Stachys rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  JEPS128457  Stellaria crispa Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -058 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  SEINET10537638  Stellaria jamesiana Mary Susan Taylor 1980-6-23 Taylor 2941 Siskiyou T39N R5W sw sec 28 Dunsmuir quad; Shasta Trinity Natl Forest. Soapstone Gulch, on E side of Rd 39N45, ca. 2 mi S of its jct with Hwy 26, ca. 8 mi SW of Mt Shasta City. With B. Williams. (Meadows 0.3, .55 and .05 mi from end of road have Darlingtonia). 1676 Comment
  CAS-BOT-BC181446  Stellaria littoralis Volney Rattan 1879-1-1 s.n. Siskiyou Unspecified Comment
  UC375264  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  CAS-BOT-BC204674  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Siskiyou Mts., Rogue River National Forest. Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage 1432 Comment
  CAS-BOT-BC516472  Stenanthium occidentale J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness ARea 1920 Comment
  RSA377577  Stenanthium occidentale M. B. Dunkle 1945-7-24 9250 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  UC584352  Stephanomeria paniculata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2444 Siskiyou about 1 mi n Scott River (at Wicks Ranch, 2 mi below Quartz Valley) 914 Comment
  HSC36418  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-9 1267 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC70595  Streptanthus barbatus J. O. Sawyer, R. J. Cole 1981-7-2 4157 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CAS-BOT-BC87082  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1927-4-12 2071 a Siskiyou Southeast slope Herds Peak. 396 Comment
  CAS-BOT-BC87861  Streptanthus tortuosus Gilbert J. Muth 1969-8-8 1300 Siskiyou Boulder Peak Ridge. 2286 Comment
  RSA142606  Streptanthus tortuosus P. A. Munz 1960-8-22 24193 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
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Jun 28 2018
  UC625501  Streptanthus tortuosus Frank W. Gould 1938-6-27 472 Siskiyou 3 mi n Mt. Shasta (town) (near hwy) 1082 Comment
  UCD78029  Streptanthus tortuosus Robert E. Preston 2001-6-23 1612 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  UC1601623  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-7-23 1342 Siskiyou Cantara Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC60663  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-22 8781 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC516436  Streptopus amplexifolius Ira L. Wiggins 1955-7-24 13502 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  SD53388  Swertia albicaulis var. nitida Darley F. Howe 1962-8-4 3389 Siskiyou Near summit of Baldy Mountain. 1737 Comment
  RSA300513  Symphoricarpos albus var. laevigatus John Dourley, W. Wisura 1982-10-17 3882 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  HSC19110  Symphoricarpos mollis J. O. Sawyer 1969-7-23 1179 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC67829  Symphoricarpos mollis J. O. Sawyer, J. Cole 1980-7-20 3758 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC69557  Symphoricarpos mollis Maralyn A. Renner 1980-8-6 2293 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC1037472  Symphoricarpos rotundifolius var. rotundifolius Douglas Barbe 1955-8-1 334 Siskiyou Summit of Mt. Bolivar; Klamath Mountains, Scott Mts. 2468 Comment
  UC60980  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5156 Siskiyou Mount Shasta 914 Comment
  SBBG25841  Symphyotrichum foliaceum D. Myrick 1966-8-9 1509 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SJSU15089  Symphyotrichum frondosum C. W. Sharsmith 1992-9-17 9247 Siskiyou edge of Lower Klamath Lake, 3-4 mi E of Higway 97 on Stateline Road, Klamath Wildlife Refuge 1225 Comment
  UC166578  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou near Bottoms' Camp (Shackelford Creek); Shackelford Creek Comment
  UC76034  Symphyotrichum spathulatum Milo S. Baker 1899-7-18 Siskiyou near, on Sacramento River (e slope of Mt. Shasta) Sissons; Mt. Shasta Comment
  CAS-BOT-BC98429  Symphyotrichum spathulatum A. A. Heller 1939-7-31 15432 Siskiyou Among grasses in Panther Meadows Mt. Shasta. 2438 Comment
  CHSC63493  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald; Lowell Ahart 1994-8-1 6420 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
  HSC36891  Taraxacum officinale J. P. Smith 1974-5-26 7534 Siskiyou Chandler Glade on FS 47N03 1768 Comment
  CHSC32898  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  CAS-BOT-BC81338  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  UC1190267  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou diversion dam China Creek 1158 Comment
  UCD135162  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  CAS-BOT-BC447415  Tellima grandiflora Alice Eastwood 1923-5-18 11847 Siskiyou Shasta Springs Comment
  HSC18991  Tellima grandiflora J. O. Sawyer 1969-7-18 1386 Siskiyou Near South Russian Creek 1890 Comment
  HSC640  Tellima grandiflora William J. Ferlatte 1967-6-30 599 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC447419  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Kidder Creek 914 Comment
  UC163881  Tetradymia canescens Geo. D. Butler 1909-6-27 955 Siskiyou Shasta Rim hills Shasta Rim Comment
  HSC73350  Thermopsis macrophylla Gail Newton 1980-6-20 441 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC86664  Thlaspi arvense Jenny Marr 1993-7-1 47 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC88121  Thlaspi arvense Jenny Marr 1993-7-1 131 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS105430  Thlaspi arvense Dean W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  CHSC100003  Thlaspi montanum var. montanum L. P. Janeway 2008-7-25 9496 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  JEPS54040  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-3 127 Siskiyou Log Lake , Log Lake (Shackleford Creek) 1524 Comment
  JEPS82688  Thlaspi montanum var. montanum Wayne Roderick 1984-6-5 Siskiyou above Castle Lake (ca 12 air km sw of Mt. Shasta city); above Castle Lake 1981 Comment
  UC857500  Thlaspi montanum var. montanum Alice Eastwood 1912-7-23 1330 Siskiyou Cantara Comment
  UC909332  Thlaspi montanum var. montanum Ira L. Wiggins 1950-5-28 12359 Siskiyou about 1.5 mi e of Scott Mountain road margins Carmen Lake; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  RSA0036026  Thysanocarpus curvipes var. curvipes Louis C. Wheeler 1925-5-11 3477 Siskiyou Klamath River at Ash Creek, Sisikyou Mts. 609 Comment
  UC1483560  Tiarella trifoliata var. unifoliata John Palmer 1980-8-12 710 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  UC1001156  Tofieldia occidentalis subsp. occidentalis Dorothy Parker 1953-7-29 Siskiyou summit of Scott Mountain Siskiyou Mountains 1630 Comment
  HSC72671  Tonella tenella J. P. Smith 1976-5-5 8697 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  SEINET5357974  Torreyochloa pauciflora E. Palmer 1892-1 2615 Siskiyou Near Mt. Shasta Comment
  CAS-BOT-BC169256  Toxicodendron diversilobum Alice Eastwood 1923-5-18 11836 Siskiyou Shasta Sprnigs Comment
  CAS-BOT-BC377095  Tragopogon dubius Roxana S. Ferris; Laura Lorraine 1948-6-12 11723 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  SFV5156  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  POM33167  Tragopogon pratensis Geo D. Butler 1910-7-1 1619 Siskiyou Yreka. Comment
  CAS-BOT-BC376177  Triantha occidentalis subsp. occidentalis Andrew Townesmith; Karen M. Meyer 2007-8-1 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  OBI55487  Trichostema simulatum David J. Keil, Kathleen Keil 1992-7-21 23521 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 I NW of Scott Mtn summit Comment
  UC618635  Trientalis latifolia W. Bridge Cooke 1938-6-17 11050 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  UCSC008680  Trifolium cyathiferum Randall Morgan 2003-7-12 3012 Siskiyou Cleghorn Meadow, circa 13 road miles north of Highway 96 on Oak Knoll Ranger Station Road, +/- east of Klamath River Village Comment
  RSA78688  Trifolium eriocephalum Philip A. Munz 1952-7-2 17883 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  UCD111282  Trifolium longipes L. Whitney 1934-6-10 s.n. Siskiyou location unknown. 1463 Comment
  HSC92942  Trifolium longipes subsp. shastense Jennifer Whipple 1977-7-20 1993 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC631140  Trifolium longipes var. shastense A. A. Heller 1920-6-28 13404 Siskiyou e side Mt. Eddy (trail to Wagaon Creek Falls) 1371 Comment
  RSA184745  Trifolium longipes var. shastense Gilbert Muth 1966-8-3 s.n. Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  POM216002  Trifolium macrocephalum Louis C. Wheeler 1935-6-2 3540 Siskiyou Shasta River, Siskiyou Mts. 732 Comment
  UCD109295  Trifolium pratense L. Whitney 1934-6-24 s.n. Siskiyou location unknown. 1463 Comment
  SJSU6543  Trifolium productum R. W. Trivelpiece 1973-6-28 157 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  RSA60498  Trifolium repens John H. Thomas 1949-6-16 942 Siskiyou Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest. Comment
  UCD78047  Trifolium repens Robert E. Preston 2003-7-31 2177 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow 1661 Comment
  CAS-BOT-BC520840  Trillium albidum A. M. Vollmer; L. Beane 1951-6-2 71 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  HSC36716  Trillium ovatum Brent Whitely 1975-7-1 116 Siskiyou 671 Comment
  HSC18874  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-6-18 185 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC780  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-7-9 691 Siskiyou Kidd Creek Trail 1890 Comment
  RSA184784  Trisetum canescens Gilbert Muth 1966-7-22 433 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  JEPS40858  Trisetum spicatum Paul C. Hutchison 1962-8-2 937 Siskiyou between meadow and top of ski lift Panther Meadow; Mt. Shasta 2621 Comment
  POM352883  Trisetum spicatum Anonymous 1908-07 9203 Siskiyou Marble Mts.; Upper Canyon Creeks. Comment
  RSA233651  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38997 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC60943  Trisetum spicatum Geo. B. Grant 1902-9-1 5092 Siskiyou Horse Camp Mount Shasta 2438 Comment
  UC1586939  Triteleia Juha Pykala and D. H. Norris 1987-6-26 2117 Siskiyou 0 to 3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Area Comment
  UCD13281  Triteleia crocea K. F. Mawdsley 1996-7-10 15 Siskiyou From Castle Lake Trailhead to Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. 1661 Comment
  RSA206127  Triteleia crocea Gilbert Muth 1969-8-10 1337 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  RSA114961  Triteleia hendersonii E. K. Balls, Lee W. Lenz 1956-6-18 21717 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
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May 2 2015
  CAS-BOT-BC522343  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou Hawkinsville Comment
  UC3271  Triteleia hyacinthina C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC524316  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  CAS-BOT-BC404215  Urtica dioica subsp. holosericea Alice Eastwood 1912-9-1 1771 Siskiyou Sisson Comment
  CAS-BOT-BC199187  Vaccinium cespitosum A. A. Heller 1915-7-15 12087 Siskiyou Mt. Eddy 1828 Comment
  HSC68332  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1239 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA238838  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou N. shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA659524  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2951 b Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  RSA659526  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2953 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  HSC19353  Vaccinium membranaceum J. O. Sawyer 1968-6-18 222 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA605354  Vaccinium parvifolium L. C. Wheeler 1959-7-25 7600 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA761683  Vaccinium scoparium R. F. Thorne, Frederick W. Oettinger 1969-8-4 63373 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC19100  Valeriana californica J. O. Sawyer 1969-7-7 1078 Siskiyou Ridge S of Big Duck Lake. 2195 Comment
  POM59722  Valeriana capitata subsp. californica Copeland 1903-8-18 3841 Siskiyou Mt. Eddy. Comment
  POM67761  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek. 1220 Comment
  JEPS5118  Valerianella locusta Geo. D. Butler 1909-5-2 729 Siskiyou near Yreka Comment
  POM215872  Valerianella olitoria Louis C. Wheeler 1935-5-11 3485 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  UC1187638  Veratrum insolitum Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-21 3692 Siskiyou Callahan road 13 mi e Cecilville; Salmon Mountains; Sheet 2 1371 Comment
  CDA39371  Veratrum viride F. D. Horn 1977-8-7 s.n. Siskiyou Carter Meadows, Long Gulch Creek, along Cecilville-Callahan Road, southwest of Callahan. 0 Comment
  UCR93365  Verbascum blattaria 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
  UC1037370  Verbascum blattaria Douglas Barbe 1955-7-7 143 Siskiyou e side of Forest Camp Etna; Klamath Mountains 883 Comment
  HSC73337  Veronica americana Gail Newton 1980-6-20 463 Siskiyou Near Bald Mtn. 1097 Comment
  HSC86528  Veronica americana D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Jawbone Camp 1372 Comment
  JEPS23294  Veronica serpyllifolia subsp. humifusa Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7283 Siskiyou Poker Flat 1536 Comment
  RSA48210  Veronica serpyllifolia var. humifusa Roxana S. Ferris, Laura Lorraine 1948-6-12 11742 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CDA6413  Veronica triphyllos T. C. Fuller 1961-5-16 6947 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  UC1223736  Veronica triphyllos Iris Coonrod 1963-4-1 Siskiyou Montague, Coonrod Ranch Montague; , Coonrod Ranch 914 Comment
  CHSC1913  Veronica wormskjoldii K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  UC917285  Veronica wormskjoldii R. Tofsrud and J. M. Tucker 1948-8-2 1769 Siskiyou Panther Meadows, s slope of Mount Shasta Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  HSC22479  Veronica wormskjoldii J. O. Sawyer 1969-7-10 1148 Siskiyou W of Lower Russian Lake, along trail 2073 Comment
  HSC68503  Vicia americana var. americana Maralyn A. Renner 1980-6-7 787 Siskiyou N of Greenhorn Rd. 1098 Comment
  SD60168  Vicia americana var. truncata A. A. Heller 1928-6-9 14602 Siskiyou Along Sacramento River at Shasta Retreat, sandy or gravelly bench, shaded by trees & shrubs Comment
  HSC19330  Viola adunca J. O. Sawyer 1969-7-9 1224 Siskiyou Along trail to Sugar Lake. 1768 Comment
  SBBG4790  Viola adunca H. and M. Dearing 1939-6-5 3548 Siskiyou E of McCloud Comment
  UC575304  Viola bakeri Milo S. Baker 1933-4-21 7354 Siskiyou 2 mi s of Yreka (along Pacific Hwy) Comment
  SEINET7042789  Viola bakeri A. G. Vestal 1955-5-17 s.n. Siskiyou 3 miles northeast of Fort Jones on Moffett Creek Road. Moffett Creek Valley. Indian Creek quadrangle UTM Zone 10, 518135mE, 4608002mN. Comment
  UC838145  Viola beckwithii Milo S. Baker 1933-4-22 7428 Siskiyou 2 mi s of Yreka (at Pine Grove Auto Camp, Pacific Highway); Pine Grove Auto Camp Comment
  JEPS50287  Viola douglasii Geo. D. Butler 1909-4-25 607 Siskiyou Quartz Valley Comment
  UC164286  Viola douglasii Geo. D. Butler 1909-4-25 607 Siskiyou Quartz Valley Comment
  HSC38822  Viola glabella J. P. Smith, Steve Selva 1970-6-15 3959 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC62271  Viola glabella Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  HSC69721  Viola glabella Maralyn A. Renner 1980-7-16 1791 Siskiyou Hancock Lake inlet 1951 Comment
  CAS-BOT-BC536536  Viola glabella Charles Barbe 1955-7-6 119 Siskiyou Taylor Lake, Salmon Mountains, Klamath Mountains 1950 Comment
  RSA424291B  Viola glabella A. Sandig 1917-05 s.n. Siskiyou Mt. Shasta. Comment
  HSC27491  Viola hallii J. P. Smith, J. O. Sawyer 1972-5-27 5345 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC1981731  Viola howellii R. John Little 2008-6-22 12236 c Siskiyou Elliot Creek Road (FS 1050) at signpost labeled: 928 (New London Trail) and 930 (Carlton Pasture Trail). Near 'Joe Bar'. Comment
  HSC81554  Viola lobata Thomas W. Nelson, Jane P. Nelson<