Search Results — 2000 specimen records retrieved (1358 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SISKIYOU; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA759175  Abies X shastensis Doug Goldman 2004-11-7 2947 Siskiyou By a big parking lot along Forest Road A10 (Everett memorial Highway), on the southwest side of Mount Shasta, Shasta-Trinity National Forest. 2116 Comment
  HSC27978  Abies amabilis Gary S. Lester 1973-7-17 52 Siskiyou Diamond Lake, Marble Mtn. Wilderness Area 1951 Comment
  JEPS83902  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-20 Siskiyou e drainage of Black Mt.; , Rogue River National Forest 1983 1767 Comment
  UC1138215  Abies amabilis Dorothy Parker 1957-7-20 Siskiyou Salmon-Marble Mountains 1981 Comment
  CAS-BOT-BC73507  Abies concolor L. B. Kildale 1929-7-20 8708 Siskiyou Raspberry Lake, upper Indian Creek. Comment
  SEINET3869603  Abies concolor Alv Dan Youngberg 1964-8-17 66 Siskiyou Growing at West Branch Guard Station. Humboldt Meridian.; 0 Comment
  SD76203  Abies magnifica Helen V. Witham 1969-10-9 639 Siskiyou Mount Shasta, in area signed Red Fir Forest 2100 Comment
Read comments
Jul 10 2010
  UC139968  Abies magnifica var. magnifica Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 680 Siskiyou Mt. Shasta Comment
  UC1041046  Abies magnifica var. shastensis J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  RSA386076  Acer circinatum E. E. Stanford 1930-6-15 1581 Siskiyou 1 mile north of Dunsmuir. Comment
  UC166211  Acer glabrum var. glabrum Geo. D. Butler 1909-7-20 908 Siskiyou Highland Mine Highland Mine Comment
  CAS-BOT-BC331045  Acer glabrum var. glabrum Milo S. Baker 1926-8-22 295 b-26 Siskiyou Mineral to Sulphur Springs 1767 Comment
  HSC60847  Acer glabrum var. torreyi Ruby Van Deventer 1962-8-15 Siskiyou Above Bell Echo Camp in Youngs Valley 1220 Comment
  SEINET7893887  Acer macrophyllum G. D. Butler 1910-5-30 1434 Siskiyou Humbug Cr. Comment
  POM85906  Acer negundo subsp. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek. Comment
Read comments
Jan 23 2011
  CHSC3385  Achillea millefolium Alice L. Stoll 1966-5-14 194 Siskiyou Along roadside 2 miles S.E. of Callahan on the Old Oregon Stage Road. Comment
  HSC76955  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC18863  Achillea millefolium David D. Keck 1938-8-7 4850 Siskiyou 1 mi. N of Schmitt Mill on road between Gazelle and Callahan, Scott Mtns. 1463 Comment
  NY149875  Achillea pacifica A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  UC167216  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  UC796591  Achnatherum lemmonii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11791 Siskiyou Scott Mountain Road s of Callahan; Scott Mountain Road Comment
  JEPS84005  Achnatherum nelsonii subsp. dorei L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6359 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass; e slopes of Red Butte); Red Butte 1900 Comment
  CAS-BOT-BC216922  Achnatherum occidentale John Thomas Howell 1937-7-21 13166 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  UCD51146  Achnatherum occidentale subsp. californicum Dean Wm. Taylor 1975-8-14 5364 Siskiyou Mt. Shasta, between Shasta Ski area and Green Butte. 2590 Comment
  UC1025021  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3507 Siskiyou 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UCD56642  Achnatherum occidentale subsp. pubescens G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2809 Siskiyou Cascade Ranges, Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy. to Panther Meadows ski area. 1097 Comment
  POM54984  Achyrachaena mollis E. B. Copeland 1903-7-3 s.n. Siskiyou Klamathon. Comment
  UCD104265  Acmispon nevadensis var. nevadensis Tofsrud 1948-8-1 s.n. Siskiyou East edge of McCloud. Comment
  CHSC96730  Aconitum columbianum Gordon Leppig; Jennifer Kalt 1996-7-9 370 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC96298  Aconitum columbianum subsp. columbianum Gordon Leppig 1998-8-13 1002 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC391541  Aconitum columbianum subsp. columbianum C. G. Pringle 1881-8-15 s.n. Siskiyou Castle Lake 1828 Comment
  RSA238291  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1968-8-7 433 Siskiyou On east side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC412915  Aconogonon davisiae John Thomas Howell 1937-7-24 13376 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC413839  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  HSC78418  Aconogonon davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  CHSC9484  Aconogonon newberryi J. F. Goodwin 1971-7-3 128 Siskiyou West side of road, 0.3 mi. south of Mt. Shasta Ski Bowl area. 2438 Comment
  SJSU10647  Aconogonon newberryi C. L. Kline 1965-7-13 201 Siskiyou above Horse Camp on S slope Mt Shasta 2468 Comment
  HSC61826  Aconogonon phytolaccifolium Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  JEPS80534  Actaea rubra Gilbert Muth 1966-7-17 399 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mt. Wilderness Area 1798 Comment
  HSC67732  Adenocaulon bicolor John Palmer 1980-8-12 701 Siskiyou SE of Ward's Gap. 1189 Comment
  HSC98137  Adenocaulon bicolor J. O. Sawyer 1969-8-5 1963 Siskiyou Alluvial terrace along South Sugar Creek 1692 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
  HSC30618  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  CDA1647  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou RR siding, Montague. 0 Comment
  CDA36800  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. 0 Comment
  JEPS95063  Agastache parvifolia Vernon Oswald and Lowell Ahart 1997-7-28 8771 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1365 Comment
  HSC155  Agastache urticifolia William J. Ferlatte 1966-8-3 258 Siskiyou Mtn. Meadow Ranch 1524 Comment
  UC1409448  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1950 Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  CAS-BOT-BC29459  Ageratina occidentalis Gilbert J. Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley Comment
  HSC5636  Ageratina occidentalis R. C. Wunner 1965-8-21 454 Siskiyou Lava Beds NM, where road crosses Devil's Homestead Lava Flow 1296 Comment
  UC75800  Agoseris X dasycarpa Milo S. Baker 1897-8-1 154 Siskiyou top Medicine Lake Mts. 2438 Comment
  CAS-BOT-BC15485  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10921 Siskiyou Medicine Lake Comment
  POM208366  Agoseris grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  HSC73346  Agoseris heterophylla Gail Newton 1980-6-20 455 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC13185  Agoseris monticola W. B. Cooke; V. G. Cooke 1946-8-8 17614 Siskiyou Above Panther Meadows, Mount Shasta 2743 Comment
  CAS-BOT-BC126989  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  CHSC88410  Agrostis exarata Jenny Marr 1993-7-1 169 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD52414  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1249 Comment
  SEINET10510017  Agrostis gigantea A. Arthur Heller 1920-8-11 Heller 13509 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir, and incense cedar. Shrubs are willow, Corylus, and Ceanothus. 1158 Comment
  UCD52996  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -F Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 Comment
  CAS-BOT-BC138941  Agrostis pallens Doris K. Kildale 1928-8-19 6515 Siskiyou English Lake, head of north fork of Salmon River. 1828 Comment
  HSC21989  Agrostis pallens J. O. Sawyer 1969-8-1 1632 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30515  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 Siskiyou Marble Mtn. Wilderness Area, rocky slope facing meadow near Upper English Lake 1768 Comment
  HSC30535  Agrostis pallens Frederick W. Oettinger 1969-8-24 1536 Siskiyou Salmon Mountains, English Lake 1753 Comment
  RSA239090  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou midway on slope from English Lake to Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  RSA384945  Agrostis stolonifera L. C. Wheeler 1934-8-14 3134 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  UCD53445  Agrostis stolonifera Beecher Crampton 1956-8-21 3802 Siskiyou slopes of Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  RSA238412  Agrostis variabilis Frederick W. Oettinger 1969-9-4 1632 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  UCD53688  Agrostis variabilis A. H. Murphy 1955-7-30 55 X Siskiyou Hamilton Camp, Marble Mountains, Klamath National Forest. 1828 Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  HSC39472  Allium bolanderi var. mirabile J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  CAS-BOT-BC466699  Allium cratericola A. M. Vollmer; L. Beane 1951-5-31 17 Siskiyou Near highway, Scott Mountain Comment
  CAS-BOT-BC469231  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mountain Wilderness Area 1828 Comment
  JEPS25575  Allium obtusum var. obtusum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7200 Siskiyou upper edges of Panther Meadow, sw slopes of Mount Shasta Mount Shasta, Panther Meadow 2286 Comment
  CHSC31011  Allium siskiyouense M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge, ca. 5 mi due e of Lake McCloud. 1889 Comment
  CHSC118639  Allium siskiyouense Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -005 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539294m E, 4586547m N. 1376 Comment
  HSC25682  Allium validum J. O. Sawyer 1969-8-5 1758 Siskiyou W of Little Duck Lake 2073 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
  CAS-BOT-BC478035  Allium validum John Thomas Howell 1937-7-23 13356 Siskiyou South Fork of Salmon River near the Big Flat 0 Comment
  HSC61855  Allium validum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC171396  Alnus incana subsp. tenuifolia Geo. D. Butler 1910-5-10 1316 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC171409  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson 10 Comment
  UC375243  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Woolly Creek; bank of lake at head Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS96808  Alyssum alyssoides Dean W. Taylor 1999-6-9 17243 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  HSC43337  Alyssum alyssoides Maralyn O'Meara 1974-5-27 474 Siskiyou Along FS Rd. 47N03 1646 Comment
  HSC27225  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4802 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  SEINET3155432  Amaranthus blitoides G. D. Butler 1910-8-5 1812 Siskiyou Yuka Comment
  HSC26932  Amaranthus hybridus J. P. Smith, J. O. Sawyer 1971-9-18 4839 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC65142  Amaranthus powellii J. P. Smith, Steve Selva 1970-7-17 4434 Siskiyou Parking lot behind ice machine in Ft. Jones. Comment
  JEPS95323  Ambrosia artemisiifolia Vernon H. Oswald and L. Ahart 1994-8-10 6448 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  CAS-BOT-BC136914  Amelanchier utahensis Doris K. Kildale 1929-5-11 7761 Siskiyou Klamath River at Hornbrook Comment
  UC1483540 Image available Amelanchier utahensis John Palmer 1980-7-24 638 Siskiyou Dillon Divide; Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
  CHSC57349  Amsinckia intermedia Lyna R. Black 1990-4-12 6 Siskiyou Approx. 1/2 mi ne of Yreka, CA e slope of hill. 853 Comment
  POM369883  Amsinckia intermedia Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  CHSC91353  Amsinckia menziesii Lowell Ahart; John Dittes 2005-6-9 12046 Siskiyou Along the west side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC45204  Anaphalis margaritacea John H. Thomas; H. A. Thomas 1954-7-23 4465 Siskiyou Salmon-Trinity Mtns about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  CAS-BOT-BC45216  Anaphalis margaritacea Alice Eastwood 1912-7-23 1344 Siskiyou Cantara Comment
  POM36272  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou Dry trodden places, Oro Fino Comment
  CAS-BOT-BC391804  Anemone deltoidea Alice Eastwood; John Thomas Howell 1937-6-26 5035 Siskiyou Salmon Mts. 5 miles sw. of Etna Comment
  JEPS60505  Anemone deltoidea W. L. Jepson 1907-7-6 2848 Siskiyou near Marble Mtn (ridge near Budahay Valley); Marble Mtn Region Comment
  CAS-BOT-BC391790  Anemone deltoidea Philip A. Munz 1952-7-1 17862 Siskiyou Baldy Mountain road, northwest of Happy Camp, Siskiyou Mts. 1219 Comment
  CAS-BOT-BC391796  Anemone deltoidea H. M. Hall 1909-7-1 8675 Siskiyou Salmon Mountains. Salmon River 1584 Comment
  RSA50230  Anemone deltoidea E. K. Balls 1949-7-9 13938 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  JEPS84230  Anemone drummondii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6424 Siskiyou ca. 5 mi. n. town of Seiad Valley (e. slope of Kangaroo Mt., cirque at head of Hell's Canyon); Kangaroo Mt., head of Hell's Canyon 1828 Comment
  UC8902  Anemone drummondii Harley P. Chandler June 1901 1676 Siskiyou Marble Mt. North Coast Ranges, Marble Mt. Comment
  RSA78842  Anemone lyallii P. A. Munz 1952-7-2 17891 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  HSC34320  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou W of Cliff Lake 1982 Comment
  SEINET3075626 Image available Anemone occidentalis M. B. Dunkle 1945-7-1 Siskiyou Marble Mountains, Klamath National Forest. Comment
  UC1188083  Anemone occidentalis Philip A. Munz 1960-8-22 24184 Siskiyou Mt. Shasta, Panther Meadows 2529 Comment
  UC585140  Anemone occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2006 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. & n.e. of slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  RSA259561  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside W of Cliff Lake 1982 Comment
  CHSC65230  Anemone oregana V. Parker 1993-7-8 21 -10 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Alongside small tributary to Trout Creek, off forest road 42N40B. 1706 Comment
  JEPS52320  Anemone oregana Wayne Roderick 1963-6-12 Siskiyou e Cook and Green Pass (n of Seiad Valley); Siskiyou Mtns 1524 Comment
  SBBG7564  Antennaria argentea H. and M. Dearing 1939-6-19 3681 Siskiyou French Crk Comment
  POM230331  Antennaria media J. T. Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CAS-BOT-BC79902  Antennaria microphylla Hans Leschke 1960-8-10 1758 Siskiyou Badger Flat 1912 Comment
  CAS-BOT-BC79910  Antennaria microphylla Doris K. Kildale 1929-7-20 8580 Siskiyou South east spur of Preston Peak 1950 Comment
  HSC45205  Antennaria racemosa J. O. Sawyer, E. Cope 1977-6-20 2973 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC29212  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; slope NNW of Upper English Lake 2012 Comment
  RSA273381  Antennaria racemosa J. P. Smith, J. O. Sawyer 1972-7-3 s.n. Siskiyou Ridge east of Cook and Green Pass 1524 Comment
  CHSC71277  Antennaria rosea subsp. rosea Vernon H. Oswald; Lowell Ahart 1998-6-11 9210 Siskiyou Old State Hwy. 0.1 mi east of Tennant Rd., ca. 9 air mi east of Grass Lake located on Hwy. 97, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC67783  Antennaria rosea subsp. rosea J. O. Sawyer, J. Cole 1980-7-21 3842 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  JEPS82113  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy. 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  CHSC71338  Apera interrupta Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  CHSC1171  Aphyllon purpureum M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  JEPS49804  Apocynum androsaemifolium Geo. D. Butler 1908-7-5 75 Siskiyou Butler's Ranch near Yreka Comment
  UC157679  Apocynum androsaemifolium Milo S. Baker 563 Siskiyou Sisson Comment
  CAS-BOT-BC394982  Aquilegia formosa John Thomas Howell 1937-7-22 13318 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC728  Aquilegia formosa William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC397948  Aquilegia formosa Margaret M. Hanna 1958-6-20 s.n. Siskiyou Near highway N of Dunsmuir Comment
  SEINET10536307  Aquilegia formosa Linstedt 1984-5-27 LINSTEDT 68 Siskiyou T44n,r11w,sec.26, indian scotty campground, found on n-facing slope near Ceanothus and mitella. Corolla orange with yellow center 701 Comment
  HSC22425  Aquilegia formosa var. formosa J. O. Sawyer 1969-7-16 1153 Siskiyou W of Waterdog Lake 2073 Comment
  HSC68428  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-4 1395 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC67712  Aquilegia formosa var. truncata John Palmer 1980-7-24 612 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC39213  Arabis breweri var. breweri J. P. Smith 1976-5-4 8669 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  HSC6556  Arabis divaricarpa Marion Ownbey, Ruth Ownbey 1938-7-20 1760 Siskiyou 1 mi. E of Dry Lake Lookout, summit of Siskiyou Mtns. Comment
  HSC62591  Arabis glabra Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  HSC6530  Arabis holboellii var. pinetorum Lincoln Constance, R. C. Rollins 1942-5-13 2914 Siskiyou Scott River, 10 mi. SW of Scott Bar 610 Comment
  HSC90627  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-21 2023 Siskiyou Slopes and dry meadows near Durney Lake 2073 Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  HSC66246  Arabis oregana Maralyn A. Renner 1980-7-28 2151 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC90273  Arabis oregana D. L. Goforth 1980-6-27 646 Siskiyou Scott River at Middle Creek Camp 724 Comment
  JEPS53010  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi. above mouth of Salmon R.) 182 Comment
  RSA0129717  Arabis platysperma var. howellii R. F. Thorne, Frederick W. Oettinger 1969-8-10 38991 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC1299655  Arabis rectissima var. rectissima Freed W. Hoffman 1948-7-8 2588 Siskiyou 7.5 mi n West Branch Camp (Waldo-Happy Camp Road); North Coast Ranges 1402 Comment
  UC855541  Arabis rectissima var. rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  HSC29176  Arabis suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill N of Hancock Lake 2058 Comment
  CAS-BOT-BC171027  Aralia californica Doris K. Kildale 1925-9-6 1299 Siskiyou Rodger Creek bridge, Klamath River Comment
  RSA470445  Aralia californica Glenn Chadwick, Mr Chadwick 1911-07 s.n. Siskiyou Shasta springs Comment
  POM354175  Arceuthobium abietinum Louis C. Wheeler 1934-8-10 3102 Siskiyou Dead Cow Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1890 Comment
  POM354174  Arceuthobium abietinum Louis C. Wheeler 1934-6-18 2723 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1463 Comment
  CAS-BOT-BC407792  Arceuthobium campylopodum William Bridge Cooke 1938-9-2 11593 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  CHSC97993  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  SEINET2471245  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-20 2007 -56 Siskiyou Above Gumboot Lake 1980 Comment
  SEINET2116924  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-11 2004 -31 Siskiyou Snowslide Lake. Trinity Alps Wilderness Area 1975 Comment
  JEPS81806  Arctostaphylos klamathensis Todd Keeler-Wolf 1982-9-19 686 Siskiyou 0.5 km sw Terrace Lake 1950 Comment
Read comments
Mar 30 2006
  CAS-BOT-BC39989  Arctostaphylos nevadensis Louis C. Wheeler 1934-7-23 75638 Siskiyou Long John creek 1463 Comment
  HSC4919  Arctostaphylos nevadensis J. O. Sawyer 1968-6-18 223 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA14981  Arctostaphylos nevadensis H. P. Bracelin 1931-6-21 459 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City. 2134 Comment
  CAS-BOT-BC46519  Arctostaphylos patula Doris K. Kildale 1929-7-20 8612 Siskiyou SE. of Preston Peak. 1981 Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  RSA381106  Arctostaphylos patula Chas. H. Lamoureux, Lalit Srivastava, Roman Gankin 1957-11-4 260 Siskiyou US hw 199, east side of hwy, approximately 2 miles n. of Weed. Comment
  UC796519  Arctostaphylos patula Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11771 Siskiyou on Forks of Salmon Rd about 6 mi from Etna 1706 Comment
  SEINET11990947  Arctostaphylos patula Unknown 1983-1 4887 Siskiyou Terrace Lake 1898 Comment
  HSC35841  Arctostaphylos viscida J. O. Sawyer 1969-8-17 2033 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  CAS-BOT-BC47009  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 960 Comment
  CAS-BOT-BC47096  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  POM77309  Arctostaphylos viscida subsp. viscida Geo D. Butler 1909-4-26 693 Siskiyou Oro Fisco hills. Comment
  UC454233  Arenaria congesta var. suffrutescens I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
  POM208262  Arenaria serpyllifolia L. C. Wheeler 1934-6-4 2641 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  RSA423698  Arenaria serpyllifolia L. C. Wheeler 1934-6-3 2623 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  UCD37073  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, 0.5 mile south Dunsmuir, along U.S. Highway 99. 701 Comment
  CAS-BOT-BC82079  Arnica Gilbert J. Muth 1969-8-10 1310 Siskiyou Ridge west of Boulder Peak 2225 Comment
  RSA237421  Arnica amplexicaulis Frederick W. Oettinger 1968-9-4 698 Siskiyou On the SE side of Abbott's lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC82250  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou about a mile south of Bray Comment
  HSC82255  Arnica cordifolia Thomas W. Nelson, Jane P. Nelson 1980-7-20 6178 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  CAS-BOT-BC295874  Arnica dealbata J. O. Sawyer; R. J. Cole 1980-7-21 3823 Siskiyou .2 miles east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  OBI55537  Arnica discoidea David J. Keil, Kathleen Keil 1992-7-24 23559 Siskiyou Klamath Natl forest E of Callahan. 1 mi N of Kangaroo Lake on Rail Crk rd Comment
  UC933412  Arnica discoidea Annie M. Alexander 1948-9-14 5620 Siskiyou on open slope near mouth of Canyon Creek; Scott River 762 Comment
  HSC713  Arnica latifolia William J. Ferlatte 1967-8-20 1042 Siskiyou Carabou Basin 2287 Comment
  SDSU6179  Arnica latifolia D. F. Howe 1972-7-5 4871 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  HSC22153  Arnica mollis J. O. Sawyer 1969-8-4 1920 Siskiyou South Sugar Creek 2043 Comment
  HSC28398  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Marble Mountain Wilderness Area, below Tom's Lower Pond 1860 Comment
  HSC46239  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  UCD129170  Arnica mollis J. M. Tucker 1974-7-28 4322 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  CAS-BOT-BC85021  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mts., Mt. Diablo Mer. 1981 Comment
  CAS-BOT-BC172863  Artemisia douglasiana J. K. Nelson; J. P. Nelson; Soren Nelson 2004-8-29 2004 -095 Siskiyou South side Mt. Shasta, at unnamed springs west of Mud Creek Dam, along Road 31 1584 Comment
  CAS-BOT-BC90483  Artemisia douglasiana Alice Eastwood 1917-9-2 6671 Siskiyou Shasta Springs Comment
  JEPS37042  Artemisia douglasiana Geo. D. Butler 1908-9-6 313 Siskiyou near Yreka (along creek); Butlers Ranch Comment
  HSC2271  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Comment
  RSA127616  Artemisia tridentata subsp. tridentata George H. Ward 1949-7-14 828 Siskiyou Stony, sandy soil, ca. 15 mi. NE of Weed Comment
  RSA151826  Aruncus sylvester Francia Chisaki, H. K. Sharsmith 1959-8-20 4742 Siskiyou Salmon River between Forks of Salmon and Somes Bar. 305 Comment
Read comments
Aug 18 2015
  RSA96622  Aruncus sylvester Percy C. Everett, E. K. Balls 1954-10-13 20280 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  HSC69500  Asarum caudatum John Palmer 1980-8-13 779 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  RSA605352  Asarum caudatum L. C. Wheeler 1959-7-25 7603 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC400599  Asarum caudatum J. M. Tucker; L. K. Mann 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  RSA598718  Asarum caudatum R. S. Woglum 1938-8-28 2077 Siskiyou Siskiyou Mountains, Bear Basin. Comment
  HSC30466  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along N Fork Trail, .2 mi. NW of Hen Creek, Salmon Mts. 1098 Comment
  UC1483543  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou slopes e State Highway 3; Klamath National Forest, Yreka Quad. 1341 Comment
  SEINET10455161  Asclepias cordifolia LeRoy E. Detling 1947-6-4 Detling 6118 Siskiyou Slater butte. Klamath national forest. Pseudosuga taxifolia - quercus chrysolepsis - q. Kelloggii - arbutus menziesii - acer macrophyllum - pinus lambertiana. Comment
  SEINET10580360  Asclepias cordifolia Edward L. Greene 1876-6-19 Greene 862 Siskiyou Near Yreka Comment
  SEINET10961631  Asclepias cordifolia George D. Butler 1910-5-23 Butler 1396 Siskiyou Humbug Mountain 1219 Comment
  SEINET6833745  Asclepias cordifolia G. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  POM76104  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou Near Yreka. Comment
  SEINET10913619  Asclepias speciosa K. Bridwell 1978-7-5 Bridwell 164 Siskiyou Along county dirt road between the Tablelands and Mahogany Ridge, ca 18 mi S of Klamath Falls, Ore., and 3 mi NE of Dorris, Calif. 1244 Comment
  HSC76918  Aspidotis densa K. T. Stillman 1976-6-26 130 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  HSC81673  Aspidotis densa Thomas W. Nelson, Jane Nelson 1980-7-17 6083 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC92669  Aspidotis densa Jennifer Whipple 1978-10-6 2390 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  SEINET10863546  Aspidotis densa Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7016 Siskiyou Mathew's Creek Campground on S fork of Salmon River. 549 Comment
  CAS-BOT-BC69551  Aspidotis densa Louis C. Wheeler 1934-8-13 3112 Siskiyou E. Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1981 Comment
  RSA760930  Aspidotis densa R. F. Thorne, Frederick W. Oettinger 1969-8-4 63380 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  RSA0000901  Aster copelandii E. B. Copeland 1903-9-7 3687 Siskiyou Mt. Eddy. 2744 Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  RSA582638  Astragalus accidens var. hendersonii Louis C. Wheeler 1936-6-30 3641 Siskiyou 3 mi. S. Grenada, Shasta Valley. 793 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
  CAS-BOT-BC178809  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath R. canyon 1/2 mi. below Hamburg 457 Comment
  RSA582464  Astragalus inversus L. C. Wheeler 1935-5-26 3530 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
Read comments
Jan 30 2015
  RSA415582  Astragalus lentiginosus var. platyphyllidius M. O'Mera 1974-5-27 485 Siskiyou Along road 47N03 1280 Comment
  HSC104142  Astragalus purshii var. lectulus Dana York 2011-8-13 3069 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  CAS-BOT-BC193067  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  CAS-BOT-BC193063  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11518 a Siskiyou Scott Bar 548 Comment
  CHSC111072  Astragalus whitneyi Barbara L. Wilson 2011-7-31 16701 Siskiyou Shasta-Trinity National Forest; north of the Pacific Crest Trail on road 42N17, at a 90 degree bend, in the Park Creek drainage. UTM 10 538978 east, 4578744 north, +/- 36 feet. 2023 Comment
  HSC92364  Astragalus whitneyi var. siskiyouensis Jennifer Whipple 1976-6-30 1209 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  CAS-BOT-BC199148  Astragalus whitneyi var. siskiyouensis John Thomas Howell 1937-6-29 13645 Siskiyou Scott Mt. between Trinity and Siskiyou Co. Comment
  UC1034072  Athyrium distentifolium var. americanum W. Bridge Cooke 1941-9-10 16313 Siskiyou Horse Camp Creek; Mt Shasta Comment
  UC150679  Athyrium distentifolium var. americanum Dr. E. B. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  RSA237519  Athyrium filix-femina subsp. cyclosorum Frederick W. Oettinger 1966-8-7 44 Siskiyou Below the Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  UC166118  Balsamorhiza deltoidea Geo. D. Butler 1909-4-14 595 Siskiyou Humbug Road Comment
  CAS-BOT-BC106545  Balsamorhiza deltoidea Geo. D. Butler 1909-5-1 702 Siskiyou Shasta River Hills Comment
  CDA10481  Balsamorhiza deltoidea T. C. Fuller 1962-6-11 8961 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  HSC43816  Balsamorhiza deltoidea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy. 3, on the road to Little Duck and Sugar Lakes Comment
  SEINET7239835 Image available Balsamorhiza lanata R. R. Halse 1989-5-6 3818 Siskiyou Along Old HWY 99, 3.2 to 6.2 miles south of Gazelle or 1.5 mile north of its junction with Old Stage Road 912 Comment
  HSC86999  Balsamorhiza sagittata Brent Helm, Curtis Miller, Mark Steiger 1988-3-28 34 Siskiyou Mouth of Shasta River on Hwy. 96 Comment
  UC796482  Balsamorhiza sericea Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11713 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), e fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 Comment
  CDA23015  Berberis aquifolium G. D. Barbe 1980-4-29 2607 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC58851  Berberis nervosa Marvin Butler 1971-7-30 248 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC1190258  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou 2 mi above Mt View Ranch (Rush Creek Trail) 1097 Comment
  UC9755  Berberis nervosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC75930  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC76003  Berberis pumila G. P. Rixford s.n. Siskiyou South side Shaft rock Mountain. Hilt. Comment
  CAS-BOT-BC169397  Betula C. Hart Merriam 1907-9-27 s.n. Siskiyou Klamath Canyon, near Shovel Creek Comment
  CAS-BOT-BC169477  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC169480  Betula occidentalis Roxana S. Ferris; Laura Lorraine 1948-6-12 11823 Siskiyou East Fork of Scott River drainage, Parker Ranch, Plowman's [Noyes] Valley 1203 Comment
  CAS-BOT-BC169486  Betula occidentalis L. B. Kildale 1930-6-1 9841 Siskiyou Mill Creek near Etna Mills 914 Comment
  UC198713  Betula occidentalis Annie M. Alexander and L. Kellogg 1911-6-13 130 Siskiyou 6 mi nw Callahan Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  JEPS95284  Blepharipappus scaber Vernon H. Oswald and L. Ahart 1994-8-1 6444 Siskiyou T41N R6W NW1/4 Sec. 22, 3760 ft, Yellow Pine Forest. Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed 1146 Comment
  CAS-BOT-BC127949  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge 1040 Comment
  POM208286  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC15789  Boechera acutina John Thomas Howell 1939-8-2 14945 Siskiyou Marble Mountains. Spirit Lake. Comment
  UC583301  Boechera breweri subsp. shastaensis Alice Eastwood and John Thomas Howell 1934-4-20 1762 Siskiyou near Yreka (along Shasta River); Shasta Rvier Comment
  CAS-BOT-BC25429  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  JEPS53078  Boechera retrofracta Harley P. Chandler Jun 1901 1621 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET12627114 Image available Boechera retrofracta Martin Schilling 2013-1 MS 310 Siskiyou NW side of Mt Eddy, on rocky outcrops just below Deadfall Lakes, ca 1.5 air mi from peak 2138 Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  HSC103180  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  UC1540024  Boechera sparsiflora M. Mitchell 1936-5-14 20 Siskiyou 1/8 mi s Canby Cross; Lava Beds National Monument 1249 Comment
  UC166138  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Klamath Comment
  CAS-BOT-BC25793  Boechera stricta Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  CAS-BOT-BC25869  Boechera subpinnatifida Alice Eastwood; John Thomas Howell 1937-6-25 5024 Siskiyou Callahan. Comment
  POM32013  Boisduvalia densiflora E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook. Comment
  JEPS46547  Boschniakia strobilacea Wayne Roderick 1963-1 Siskiyou about 2 mi w Copper Butte; Siskiyou Mts., Cook and Green Pass 1371 Comment
  SEINET3296901 Image available Boschniakia strobilacea Marion Ownbey, Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  UC1618150  Botrychium multifidum J. C. Game 1996-6-23 96 /44 Siskiyou ca. 8 mi s Etna (just w of Forest Service Rd 41N14(High CCC Rd.), less than 2 mi nw of its junction with Tiger Creek Rd.); Etna Quadrangle 1280 Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SBBG25884  Boykinia major D. Myrick 1966-8-10 1518 Siskiyou Salmon Crk at Mtn Meadow Ranch, Big Flat 1676 Comment
  UCR101155  Boykinia major L. C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mtns., Head of Hell's Canyon 993 Comment
  UC375289  Brassica nigra Geo. D. Butler 1909-6-23 1051 Siskiyou Fields near Yreka. Comment
  HSC42934  Brickellia californica Ken Stillman 1976-8-24 434 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC127862  Brickellia grandiflora D. M. Traugh 1933-8-6 7 Siskiyou Klamath (National) Forest 1828 Comment
  SEINET10879263  Brickellia greenei Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  SEINET5707334 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  JEPS80609  Bromus carinatus var. carinatus Gilbert Muth 1966-7-22 434 Siskiyou meadow below Marble Rim (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC155963  Bromus commutatus William A. Dayton Jr. 1912-7-28 159 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  HSC103038  Bromus commutatus J. P. Smith 2014-6-7 13896 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  RSA582096  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  UC204800  Bromus diandrus Geo. D. Butler 1908-6-25 480 Siskiyou near Yreka Comment
  UCD58799  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou Field near Yreka. Comment
  JEPS107375  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12030 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
  RSA715629  Bromus japonicus L. Ahart 2005-6-9 12009 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC166002  Bromus racemosus Geo. D. Butler 1909-5-21 817 Siskiyou near Yreka Comment
  SACT000689  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou Abundant but thin stand. Chaparral. Comment
  UCD59704  Bromus sterilis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3389 Siskiyou At Weed near habitations. Comment
  CAS-BOT-BC185603  Bromus tectorum Lewis S. Rose 1945-6-18 45075 Siskiyou Horse Creek & Klamath River. 502 Comment
  HSC36781  Bromus tectorum J. P. Smith 1974-5-27 7625 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC726535  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  RSA184644  Calamagrostis koelerioides Clare B. Hardham 1965-8-20 13052 Siskiyou Cudahy lakes, Marble Mountains; Paso Robles Comment
  UC1265349  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 772 Siskiyou nw slope of ridge above Tobacco Lake; Salmon Mountains 2011 Comment
  UCD57258  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou north side of Mt. Eddy. Comment
  RSA237963  Callitriche heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Inlet meadow to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC80330  Callitropsis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N. W. Siskiyou Co. 152 Comment
  HSC68565  Calocedrus decurrens Maralyn A. Renner 1980-6-7 793 Siskiyou N of Greenhorn Rd. Comment
  SEINET10469584  Calochortus coeruleus Mary Merello 1993-6-25 Merello 727 Siskiyou Shasta National Forest. Deep Crater Area. Lava beds. Open pine forest. Along Forest Service Road 42N22, from Main Forest Service Road 49-Powder Hill Road. 1550 Comment
  CAS-BOT-BC487775  Calochortus coeruleus C. R. Quick 1950-6-21 50 -02 Siskiyou Upper Hungry Creek drainage, west of Hilt and east of Beaver Creek 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
  RSA17447  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sissons. Comment
  CAS-BOT-BC488615  Calochortus elegans var. nanus A. A. Heller 1906-6-15 s.n. Siskiyou Near Sisson Comment
  HSC30654  Calochortus elegans var. nanus Frederick W. Oettinger 1969-7-10 951 Siskiyou Marble Mtn. Wilderness Area, NW of Lower English Lake 1768 Comment
  HSC15410  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mtn. 1677 Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  CAS-BOT-BC181507  Caltha leptosepala L. E. Smith 1913-9-1 556 Siskiyou Mt. Eddy Comment
  HSC41793  Calycadenia fremontii Brent Whiteley 1975-6-22 23 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  JEPS24805  Calycadenia truncata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6814 Siskiyou about 4 mi n Weed (along US Hwy 99, on short grade down into floor of valley); Shasta Valley 920 Comment
  UC1971712  Calycadenia truncata 1978-8-17 2129 Siskiyou ca. 4.0 mi W of Gazelle on the Gazelle-Callahan Road, S of Yreka 950 Comment
  CAS-BOT-BC272754  Calycadenia truncata subsp. truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  JEPS52542  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Horse Camp Horse Camp; Mount Shasta, Horse Camp Comment
  UC852133  Calyptridium umbellatum John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  JEPS128468  Calystegia occidentalis subsp. occidentalis Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -024 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 3 miles northwest of Stewart Springs. Comment
  JEPS61535  Camassia quamash subsp. quamash Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC36999  Camelina microcarpa Brandegee s.n. Siskiyou Unspecified. Comment
  CDA3582  Camelina microcarpa T. C. Fuller 1962-6-11 8959 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  SEINET7040088  Camissonia contorta A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  HSC16513  Camissonia tanacetifolia R. C. Wunner 1965-7-9 347 Siskiyou Lava Beds National Monument area near car washing place 1442 Comment
  SD53389  Campanula prenanthoides Darley F. Howe 1962-8-4 3388 Siskiyou Baldy Mountain. Comment
  SEINET10972065  Campanula prenanthoides Muth 1975-8-1 MUTH s.n. Siskiyou NR SUTCLIFFE CR., PRESTON PK QUAD, NR HAPPY CAMP 4400', COBBLY SOIL Comment
  JEPS60248  Campanula prenanthoides L. R. Heckard with L. Constance and R. Ornduff 1969-7-25 2313 Siskiyou near Fall Creek Inn (along Gilman Road, between the Sacramento and McCloud arms of Shasta Lake); Shasta Lake 396 Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10463362  Campanula prenanthoides Alice Eastwood 1921-7-25 Eastwood 10842 Siskiyou Bigelows, on the McCloud R. 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
  UC1282012  Campanula rotundifolia Louise Kellogg Aug 5 1953-Aug 7 1953 108 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  POM259605  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  SEINET10464348  Campanula rotundifolia Holt 1932-7-10 Holt s.n. Siskiyou Mount Eddy 1829 Comment
  UC1473430  Campanula scabrella Gilbert Jerome Muth 1978-8-3 7403 Siskiyou close to town of Callahan (near China Mountain, China Mt. quadrangle); China Mt. quadrangle 2603 Comment
  SEINET10463766  Campanula scouleri Overton 1979-8-6 OVERTON 12918 Siskiyou Near Sutcliffe Creek, on the Presto Peak quadrangle, close to the town of Happy Camp, streamside, Evergreen Conifer forest. 1158 Comment
  POM255804  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  SEINET10463468  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou SISSON, NR. MT. SHASTA Comment
  SEINET10463780  Campanula scouleri Sawyer 1971-8-19 SAWYER 2452 Siskiyou Scott Bar quadrangle; on trail to Marble Valley near Lovers Camp. T43N R11W Sec. 7 1311 Comment
  UC1258461  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek Coffee Creek Quad. 2042 Comment
  UCD66988  Campanula wilkinsiana Joseph DiTomaso 1980-8-21 1893 Siskiyou Kidd Creek Meadows, Trinity Alps Primitive Area. 2042 Comment
  SEINET10463875  Campanula wilkinsiana Baker 1899-7-31 Baker s.n. Siskiyou West slope of Mount Shasta, on Ash Creek Comment
  CAS-BOT-BC37224  Cardamine angulata Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC37748  Cardamine californica J. H. Thomas 1954-5-13 4140 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River 5 to 9 miles southeast of Cecilville. 1066 Comment
  JEPS116630  Carduus nutans Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -005 Siskiyou North side Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  CAS-BOT-BC19762  Carex abrupta John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC1265327  Carex abrupta Frederick W. Oettinger 1968-9-8 733 Siskiyou se Tom's lake; Salmon Mountains, Marble Mountain Wilderness Area 2148 Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  CAS-BOT-BC17961  Carex angustata William Bridge Cooke 1939-7-7 13613 Siskiyou Mount Shasta. In the Wagon Camp Sedge Swamp. 1737 Comment
  RSA186333  Carex angustata Gilbert Muth 1966-10-16 28 Siskiyou Marble Mountains 1793 Comment
  HSC48639  Carex aquatilis D. H. Norris May 1970 12267 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  CHSC78912  Carex aquatilis var. aquatilis Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  UCD77462  Carex aurea Robert E. Preston 2002-7-12 1915 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  HSC76801  Carex bolanderi L. P. Janeway 1982-7-9 50 Siskiyou Along Hwy. 96, just S of Wilson Creek 335 Comment
  SEINET7484332 Image available Carex bolanderi Barbara L. Wilson, Richard E. Brainerd 2003-1 10929 Siskiyou road 48N20 between Seiad Valley and Cook and Green Pass; Klamath National forest. 1158 Comment
  JEPS116609  Carex brainerdii Julie Kierstead 1997-5-13 97009 Siskiyou Mt. Shasta Rnger District. Parks Creek Road 1 mile above junction with 42N19, 6 miles west of Weed. 1463 Comment
  JEPS25574  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7199 Siskiyou on moraine between ice and snow fields, near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  HSC81983  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4855 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC34942  Carex densa William Bridge Cooke 1940-6-20 15146 Siskiyou Shore of the Klamath River near the Pacific Highway below Hornbrook. 609 Comment
  RSA610959  Carex densa L. C. Wheeler 1935-5-11 3475 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  RSA237279  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou At Base Camp mid-way down the trail from Diamond to Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC19900  Carex echinata subsp. phyllomanica David D. Keck 1949-7-20 6361 Siskiyou Scott Mountain Summit. At Trinity County line. 1633 Comment
  HSC89537  Carex exsiccata K. Berg, Stephanie Bennett 1986-8-25 652 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC38961  Carex fracta J. O. Sawyer 1969-8-1 1618 Siskiyou On trail to Eaton Lakes. 1799 Comment
  UC1025113  Carex gigas Douglas Barbe 1955-7-9 148 Siskiyou small stream at the sw shore Scott Mountains, Kangaroo Lake 1828 Comment
  CHSC69096  Carex halliana Vernon Oswald; Lowell Ahart 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  SEINET3902134  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  CHSC39000  Carex integra J. D. Jokerst 1983-7-5 1826 Siskiyou At the north end of Atkin's Meadow near the lodgepole pine margin. Ca 15 air mile east of McCloud. Comment
  HSC36155  Carex jonesii J. P. Smith 1974-5-26 7535 Siskiyou Chandler Glade on FS 47N03 1768 Comment
  UC1265341  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CDA33095  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  JEPS84071  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  POM211466  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  CHSC106525  Carex luzulina Peter F. Zika 2009-6-18 24534 Siskiyou Klamath Range (KR). Meadow near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  SEINET7566381 Image available Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC29680  Carex luzulina Frederick W. Oettinger 1969-8-22 1504 Siskiyou Marble Mtn. Wilderness Area, S end of Horse's Hole, near Horse Range Lake 1829 Comment
  RSA756494  Carex luzulina var. ablata Barbara Ertter 1990-7-16 9378 Siskiyou NW side of Mount Eddy, 8 air miles SW of Weed, 1-2 miles from Parks Creek trailhead (=crest of Rt 17) along ridge 2287 Comment
  RSA577568  Carex mariposana L. C. Wheeler 1934-7-21 3014 Siskiyou Head of Jaynes Canyon. Siskiyou Mountains. 2043 Comment
  HSC39767  Carex mendocinensis J. P. Smith, Steve Selva 1970-7-15 4346 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  CAS-BOT-BC31780  Carex mertensii Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7301 Siskiyou Along streamside in Twin Valley, Siskiyou Mts., just E of Del Norte Co. Line 1493 Comment
  HSC77204  Carex mertensii L. P. Janeway 1983-8-13 529 Siskiyou S side and above S Fork Indian Creek 1433 Comment
  POM81432  Carex multicaulis Geo D. Butler 1909-7-15 853 Siskiyou Russian Creek. 1829 Comment
  POM81969  Carex multicaulis Geo D. Butler 1910-5-5 1290 Siskiyou [Huckleberry] Mountain. 1220 Comment
  CAS-BOT-BC23425  Carex multicostata John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA739623  Carex multicostata L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges, Siskiyou Mtns, 3.2 air km SW of cook and Green Pass, 0.4km SE of Red Butte 1737 Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  HSC85797  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou Ridge NW of Poker Flat (the Siskiyou crest) 1585 Comment
  CHSC39003  Carex nebrascensis J. D. Jokerst 1983-7-5 1829 b Siskiyou Atkin's Meadow. Ca 15 air miles east of McCloud. 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
  SEINET10711622  Carex nudata A. Arthur Heller 1905-6-1 Heller 7921 Siskiyou Between Dunsmuir & Upper Soda Spring. Comment
  JEPS74521  Carex pachycarpa W. J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1676 Comment
  CHSC96159  Carex pachystachya L. P. Janeway 2006-7-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  UC195517  Carex pachystachya Geo. D. Butler 1909-6-13 806 Siskiyou Oro Fino Comment
  CAS-BOT-BC118931  Carex pellita John Thomas Howell 1937-7-23 13333 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC43907  Carex pellita L. P. Janeway 1984-6-21 855 Siskiyou South shore of Klamath River, near hwy 96 milepost 68.00 and 1.0 mi W of Hamburg and Mill Cr. 457 Comment
  CAS-BOT-BC119126  Carex phaeocephala William Bridge Cooke 1939-7-26 13756 Siskiyou Along the Summit Trail in the vicinity of Lake Helen. Mount Shasta. 3048 Comment
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  CHSC106470  Carex rossii Peter F. Zika 2009-6-18 24533 Siskiyou Klamath Range (KR). Near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  CHSC53540  Carex rossii L. P. Janeway 1983-8-7 521 Siskiyou Near 'Peak 5148'; +-open serpentine ridgetop near end of rd 17N32, ca 19 mi from Indian Cr Rd. 1554 Comment
  SEINET8415056  Carex rossii L. P. Janeway 1983-8-7 525 Siskiyou Preston Peak quad, along S Fork Indian Creek Road (17N32) ca 17 miles from Indian Creek Road. 1402 Comment
  CHSC100000  Carex scabriuscula L. P. Janeway 2008-7-26 9511 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. Common on somewhat moist north-northeast facing slope. 1890 Comment
  HSC45963  Carex serratodens J. P. Smith, Steve Selva 1970-6-15 3945 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC39292  Carex spectabilis J. O. Sawyer 1969-8-2 1720 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  JEPS84068  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  UC1147787  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  CAS-BOT-BC117239  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows. Upper portions of the meadows at Squaw and Panther Creeks 2590 Comment
  CAS-BOT-BC117260  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Sawtooth Ridge steep, north facing slope. 2286 Comment
  RSA238922  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1254 Siskiyou The Flumes, Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  SEINET7575723 Image available Carex spectabilis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1254 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, the New York Flumes, Pine Lake Basin. 1859 Comment
  JEPS109254  Carex stipata var. stipata D. W. Taylor 2003-8-12 18670 b Siskiyou Weed, growing along Boise Creek near the Hwy 97 bridge. Comment
  CAS-BOT-BC117359  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou Swampy place at the State College grounds near the town of Mt. Shasta. Comment
  CAS-BOT-BC115861  Carex subfusca 1902-9-8 5129 Siskiyou Horse Camp. Mt. Shasta 2590 Comment
  HSC39252  Carex subfusca J. O. Sawyer 1969-7-12 1349 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC86440  Carex subfusca D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2134 Comment
  CAS-BOT-BC115842  Carex subfusca W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC115278  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley, Marble Mts. Comment
  CHSC40190  Carex vulpinoidea L. P. Janeway 1983-7-30 464 Siskiyou Along n shoreline of Iron Gate Reservoir. 731 Comment
  CAS-BOT-BC114818  Carex whitneyi William Bridge Cooke 1938-7-1 11161 Siskiyou Mount Shasta. 1676 Comment
  HSC22112  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-9 1274 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  RSA238340  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just So. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC248990  Castilleja Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh [Sky High] Lake Comment
  UC1540025  Castilleja applegatei M. Mitchell 1936-5-21 26 Siskiyou Fleppe Chimney; Lava Beds National Monument 1478 Comment
  CAS-BOT-BC241139  Castilleja applegatei subsp. pinetorum Alice Eastwood 1921-7-29 10962 Siskiyou Little Mt. Hoffman Comment
  JEPS9785  Castilleja applegatei subsp. pinetorum W. L. Jepson Jul 24 1894-Aug 10 1894 21481 Siskiyou Sisson Comment
  UC585187  Castilleja applegatei subsp. pinetorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1988 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  RSA165517  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-30 8029 Siskiyou Between Mud Springs and White Mt. 1829 Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  UC1408795  Castilleja arachnoidea F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Scott Mountains, Shasta-Trinity National Forest Comment
  UC618868  Castilleja arachnoidea Alice Eastwood 1938-8-21 11535 Siskiyou Horse Camp Flats Mount Shasta (sw slope of Mount Shasta) 2438 Comment
  HSC61964  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak 2073 Comment
  RSA46748  Castilleja arachnoidea J. T. Howell 1937-7-29 13659 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  RSA142601  Castilleja arachnoidea subsp. shastensis P. A. Munz 1960-8-22 24186 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  JEPS19682  Castilleja lacera Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5939 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  UC796539  Castilleja lacera Roxana S. Ferris and Laura Lorraine 1948-6 11787 Siskiyou s of Callahan (Scott Mountain Road) Comment
  CAS-BOT-BC253613  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC253617  Castilleja miniata Doris K. Kildale 1928-7-2 5389 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC254015  Castilleja miniata Wm. Bridge Cooke 1938-7-28 11378 Siskiyou Mt. Shasta 2438 Comment
  UC163715  Castilleja miniata Geo. D. Butler 1908-8-7 421 Siskiyou Whiskey Camp Indepencence Creek (Indepencence Creek) Comment
  UC164077  Castilleja miniata Geo. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC253625  Castilleja miniata Wm. Bridge Cooke 1939-7-7 13590 Siskiyou Bear Springs. Flora of Mount Shasta 1524 Comment
  CAS-BOT-BC254023  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC254107  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou at edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  JEPS23770  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6830 Siskiyou just n Scott Mtn. road summit 1615 Comment
  CAS-BOT-BC241051  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  JEPS3176  Castilleja pruinosa Geo. D. Butler 1908-6-29 425 Siskiyou Cherry Creek Comment
  POM265896  Castilleja pruinosa Lincoln Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  SEINET3159254  Castilleja pruinosa G. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  RSA237563  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  CAS-BOT-BC48649  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest 1188 Comment
  CAS-BOT-BC48654  Ceanothus cordulatus Alice Eastwood 1912-7-20 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC49193  Ceanothus cuneatus D. E. Breedlove 1962-6-10 3300 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  HSC42900  Ceanothus integerrimus J. O. Sawyer, Ken Stillman 1976-5-29 2733 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  POM86957  Ceanothus integerrimus var. californicus Edward Palmer 1892-7-13 2457 Siskiyou Mount Shasta and vicinity Comment
  POM85993  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  RSA105432  Ceanothus integerrimus var. macrothyrsus G. D. Barbe 1955-6-30 57 Siskiyou 0.6 mile NW of Forest Camp, Etna 100ft S of Johnson Creek on dry hillside. 945 Comment
  RSA399889  Ceanothus integerrimus var. peduncularis M. B. Dunkle 1944-7-7 9075 Siskiyou Deer Creek. 1768 Comment
  JEPS42175  Ceanothus prostratus W. L. Jepson 1940-7-1 20074 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  JEPS42176  Ceanothus prostratus Geo. D. Butler 1909-8-24 589 Siskiyou Greenhorn Rd Comment
  UC1281311  Ceanothus prostratus H. E. McMinn 1931-6-27 2520 Siskiyou Shasta City Comment
Read comments
Jun 20 2012
  UC1539992  Ceanothus prostratus M. Mitchell 1936-5-11 16 Siskiyou Lava Beds National Monument, NE side of Hippo Butte 1615 Comment
  CAS-BOT-BC52172  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou Five miles south of Callahan, on Scott Mountain road Comment
  SEINET12210763  Ceanothus sanguineus R. Gankin, Hildreth, R. 1967-1 1182 Siskiyou 2.6 road mi from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and 1707 Comment
  RSA184762  Ceanothus velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mtns. 1793 Comment
  RSA238028  Ceanothus velutinus Frederick W. Oettinger 1967-8-26 323 Siskiyou English Peak near the summit and covering a small solid area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  RSA398982  Ceanothus velutinus M. B. Dunkle 1944-7-7 9074 Siskiyou Deer Creek. 1768 Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  SEINET204767  Ceanothus velutinus J. M. Tucker, LK Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar ca. 4.7 road miles SW of Etna Comment
  CAS-BOT-BC52801  Ceanothus velutinus var. velutinus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. - Hilt Comment
  HSC64657  Ceanothus velutinus var. velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  RSA190692  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou 3 roadside plants, W side of Hwy 97 to weed, 3 miles S of Macdoel, Butte Valley Comment
  UC1216710  Centaurea solstitialis W. B. and V. G. Cooke 1962-8-19 33547 Siskiyou Mt. Shasta 1280 Comment
  CDA38734  Centaurea solstitialis Steve Orloff Sep 2011 SPK 471141 S1-D Siskiyou Collins Baldy, Mountains of the South Klamath River in the Klamath River area. 0 Comment
  POM351527  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mile east of O'Neill Campground 579 Comment
  CAS-BOT-BC384988  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague 807 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
  CAS-BOT-BC388236  Cerastium glomeratum Wm. Bridge Cooke 1938-7-29 11412 Siskiyou Mount Shasta. Above Bear Springs Comment
  CAS-BOT-BC400179  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  SEINET9368213  Cercocarpus ledifolius var. intermontanus Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  UC618748  Cercocarpus ledifolius var. ledifolius W. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park, on the n side of Mount Shasta Shastina Lava Park; Mount Shasta, Shastina Lava Park 2438 Comment
  CAS-BOT-BC276754  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  CAS-BOT-BC276762  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-12 9532 Siskiyou Between Captain Jack's and Three Sisters, Lava Beds National Monument Comment
  SEINET7379869 Image available Chaenactis douglasii var. douglasii G. D. Butler 1910-6-17 1573 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC106040  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  CAS-BOT-BC106044  Chaenactis suffrutescens Louis C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley 883 Comment
  HSC101495  Chaenactis suffrutescens J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12999 Siskiyou Kalmath National Forest. South of the Gazelle-Callahan summit. 1704 Comment
  SD60215  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake, a short distance form Castle Crags in the yellow pine belt Comment
  UC34677 Image available Chaenactis suffrutescens J. G. Lemmon Siskiyou Head-waters Sacramento River Sacramento River; headwaters of the Sacramento River Comment
  SEINET11856212  Chaenactis suffrutescens H. M. Hall, Babcock, E. B. 1903-1 4081 Siskiyou Sierra Nevada Mountains, upper part of Shasta Valley, Mount Shasta 1158 Comment
  CAS-BOT-BC85663  Chamaecyparis lawsoniana Miss Herzinger 1903-11-1 s.n. Siskiyou Scott River Valley Comment
  HSC68305  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1421 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UCSB15883  Chamaesaracha nana Breedlove, Dennis 1952-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  HSC68061  Chamaesyce serpyllifolia J. P. Smith, Steve Selva 1970-7-17 4420 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC165977  Chamerion angustifolium Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  SEINET6166384 Image available Cheilanthes gracillima W. V. Showalter 1954-8-8 Siskiyou Mt. Shasta. 2438 Comment
  UCD21470  Cheilanthes gracillima Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1210 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  CAS-BOT-BC68209  Cheilanthes gracillima W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  SEINET8671710 Image available Cheilanthes gracillima Marian Ownbey, Ruth P. Ownbey 1938-1 1754 Siskiyou 2.5 miles northwest of Dry Lake Lookout; summit of Siskiyou Mountains Comment
  UC452633  Chenopodium berlandieri H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  SEINET5764325 Image available Chenopodium botrys A. A. Heller 1916-1 12564 Siskiyou near Sisson 1074 Comment
  RSA624500  Chenopodium vulvaria L. C. Wheeler 1935-7-13 3656 Siskiyou Ager. 793 Comment
  HSC19315  Chimaphila menziesii J. O. Sawyer 1968-7-10 503 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC92970  Chimaphila menziesii Jennifer Whipple 1977-8-6 2246 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  CAS-BOT-BC452275  Chimaphila umbellata Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  POM131999  Chimaphila umbellata E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  UC1483532  Chimaphila umbellata John Palmer 1980-8-12 687 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 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
  UCR222516  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  UC1183411  Chorispora tenella David E. Bayer 1960-5-27 Siskiyou 1 mi s of Macdoel (and running around Meiss Lake, Butte Valley, 1/4 mi s of road, in (west) ca. 1 mi on road originating at U.S. Hwy 97); Butte Valley 1280 Comment
  UCR21087  Chrysanthemum leucanthemum T. W. Fisher, Earl R. Oatman, Robert Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  RSA82847  Chrysolepis chrysophylla R Tofsrud, J. Mark Porter 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp - Waldo (Oregon) road. Comment
  UC164392  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-7-12 1074 Siskiyou hill w of Yreka Comment
  CAS-BOT-BC36239  Chrysolepis sempervirens C. H. Merriam 1898-9-28 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC36247  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13545 Siskiyou Caribou Gulch Comment
  RSA120851  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  POM352008  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 732 Comment
  JEPS15749  Cicuta douglasii Geo. B. Grant Sept, 1902 5141 Siskiyou Mount Shasta, Shasta Springs, Sisson Shasta Springs; Mount Shasta, , Sisson 609 Comment
  CDA38294  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  POM82888  Cicuta douglasii Geo. D. Butler 1918-7-15 1788 Siskiyou [Unspecified] Comment
  HSC19237  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-11 858 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC454590  Circaea alpina subsp. pacifica I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake 1828 Comment
  CAS-BOT-BC32801  Cirsium breweri var. canescens Alice Eastwood 1912-8-30 2085 Siskiyou Mount Eddy Comment
  RSA0070601  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below log-truck loading area, both sides of Goosenest Road, 14 km NE of Tennant. 0.004 ha./0.04 ha. Comment
  CDA1187  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou Hawkinsville; Humbug Rd., about 2 mi. W of Hwy 263, BLM land. 0 Comment
  UCD130621  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CAS-BOT-BC288013  Cirsium occidentale var. candidissimum Lewis S. Rose 1945-6-22 45155 Siskiyou Walker, Klamath River 533 Comment
  CDA21701  Cirsium ochrocentrum subsp. ochrocentrum T. C. Fuller 1979-10-3 20272 Siskiyou 1.6 km south of Tecnor, Red Rock Valley, southeast of Macdoel. 0 Comment
  OBI55423  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  RSA120873  Cirsium scariosum Milo S. Baker 1955-6-26 13086 Siskiyou Hwy 99, 4 miles S of Gazella 915 Comment
  CAS-BOT-BC286465  Cirsium scariosum Alice Eastwood; John Thomas Howell 1936-6-13 2759 Siskiyou 5 miles n. of Gazelle Comment
  OBI54127  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  HSC16290  Clarkia lassenensis R. C. Wunner 1965-6-15 197 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  UC164341  Clarkia lassenensis Geo. D. Butler 1909-5-14 747 Siskiyou Klamath River Comment
  CAS-BOT-BC163462  Clarkia purpurea subsp. quadrivulnera Freed W. Hoffman 1948-7-7 2416 Siskiyou Callahan 1005 Comment
  RSA105440  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou Klamath Mountains: 1.3 miles east of Etna on the Westside Road to Callahan 854 Comment
  CAS-BOT-BC164971  Clarkia rhomboidea A. A. Heller 1928-6-9 14599 Siskiyou Along the railroad embankment at Shasta Retreat 762 Comment
  JEPS116581  Clarkia rhomboidea Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -017 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N84, 4 miles NE of town of Weed. Mt. Shasta 1249 Comment
  JEPS25602  Clarkia rhomboidea Rimo Bacigalupi 1959-7-2 7235 Siskiyou low divide between Coffee Creek and South Fork Salmon River (at boundary of Trinity and Siskiyou counties) 1524 Comment
  UC609318  Claytonia cordifolia Eleanor Burks Hart 1938-8-15 885 Siskiyou s side Upper Wright Lake 2225 Comment
  POM164049  Claytonia parviflora Geo. D. Butler 1909-4-16 675 Siskiyou [Unspecified] Comment
  CAS-BOT-BC443830  Claytonia rubra subsp. rubra Alice Eastwood; John Thomas Howell 1934-4-20 1745 Siskiyou Near Yreka on Ft. Jones road Comment
  HSC29462  Claytonia rubra subsp. rubra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1253 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Basin 1829 Comment
  UC118736  Clematis ligusticifolia Brandegee July 1887 Siskiyou Edgewood Comment
  HSC19262  Clintonia uniflora J. O. Sawyer 1968-7-2 372 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CAS-BOT-BC500972  Clintonia uniflora L. R. Short 1933-8-7 20 Siskiyou Klamath National Forest, Marble Mountains 1798 Comment
  RSA237926  Clintonia uniflora Frederick W. Oettinger 1967-7-26 213 Siskiyou 300 yards up a tributary of upper English Lake on moist bank. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UC1409411  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou area due w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1950 Comment
  RSA145236  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou Salmon River below Sawyer's Bar. Comment
  RSA167238  Collinsia linearis Joseph P. Tracy 1951-6-16 19475 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
  UC54657  Collinsia parviflora H. M. Hall and E. B. Babcock Jun 1903 4703 Siskiyou near Upton (Sierra Nevada Mountains, Mount Shasta); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CDA41377  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2600 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC20614  Collinsia parviflora R. C. Wunner 1965-6-6 81 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  OBI9622  Collinsia parviflora J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  UC1229805  Collinsia parviflora Francia Chisaki, Gene Newcomb 1958-6-22 1157 a Siskiyou 9.6 mi w of Fort Jones (on road to Gazelle and 9.4 mi s from this road to Duzel Rock, between Fort Jones and Gazelle); Duzel Rock 1645 Comment
  HSC91182  Collinsia rattanii Jennifer Whipple 1976-6-30 1189 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  RSA165528  Collinsia rattanii Clare B. Hardham 1961-6-30 8121 Siskiyou Siskiyou Mountains: White Mt. Comment
  RSA237558  Collinsia rattanii Frederick W. Oettinger 1968-9-9 794 Siskiyou Northeast of Tom's Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA120633  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-6 131 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  UCD77561  Collinsia torreyi var. wrightii Robert E. Preston 2001-6-23 1558 Siskiyou Klamath National Forest, Rainbow Mountain. 1828 Comment
  JEPS71029  Collomia grandiflora Geo. D. Butler 1908-8-9 106 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  RSA411147  Collomia grandiflora B. C. Templeton 1960-6-21 8532 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  RSA409239  Collomia heterophylla J. P. Smith 1973-5-5 6469 Siskiyou Along Cook and Green Pass road. Comment
  HSC16937  Collomia linearis R. C. Wunner 1965-6-6 78 Siskiyou Lava Beds N. M., 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  CHSC86641  Collomia tinctoria Jenny Marr 1993-7-1 24 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC52433  Collomia tinctoria W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Cr. Sac. River, Sisson Comment
  HSC44488  Collomia tracyi K. Irwin 1977-5-22 385 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  UC1190260  Collomia tracyi Ira L. Wiggins 1955-7-22 13457 Siskiyou gravel bar in river 9.5 mi above Cecilville; S Fork of Salmon River 1066 Comment
  CAS-BOT-BC230675  Collomia tracyi L. B. Kildale 1930-6-1 9781 Siskiyou Black Bear trail to Sawyers Bar, Salmon RIver Comment
  HSC46114  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3991 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  UC618678  Corallorhiza maculata W. Bridge Cooke 1938-8-5 11461 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC23624  Corallorhiza maculata J. O. Sawyer 1970-7-3 2314 Siskiyou Plot 321 1402 Comment
  HSC494  Corallorhiza mertensiana William J. Ferlatte 1966-6-22 84 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SEINET12078269  Corallorhiza striata Unknown 1986-1 60355 Siskiyou SW of Cook and Green Pass, Kangaroo Mountain 1798 Comment
  SBBG55406  Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City; ISOTYPE: C. pallescens 1158 Comment
  SEINET13682628  Cordylanthus tenuis subsp. viscidus B. L. Wilson, R. E. Brainerd 2010-8-3 16192 Siskiyou Shasta-Trinity NF, along FR 40N43 W of Lake Siskiyou, at first creek crossing W of junction with road 26. 1063 Comment
  JEPS60492  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6743 Siskiyou 27 mi n Happy Camp (Elder Mt Rd junction, on road to O'Brien) 822 Comment
  RSA422821  Cornus L. C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, on Klamath River. Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC210389  Cornus sericea Annie M. Alexander; Louise Kellogg 1948-9-6 5586 Siskiyou Siskiyou Mountains. At Matthews Creek, South Fork Salmon River Comment
  CAS-BOT-BC210414  Cornus sericea Alice Eastwood 1921-7-30 11004 Siskiyou Soda Creek Comment
  HSC19035  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1400 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC29144  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake. 1723 Comment
  HSC33340  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Yellow Rose Mine Trail. 1707 Comment
  UC144303  Corylus californica A. A. Heller 1905-6-5 7971 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC375260  Corylus californica Geo. D. Butler 1908-7-12 1073 Siskiyou near Yreka Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  POM106652  Corylus cornuta var. californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain. Comment
  SEINET6892684  Corylus cornuta var. californica M. K. Solecki, J. B. Taft 1986-9-13 2157 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC346588  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  CAS-BOT-BC291530  Crepis intermedia I. J. Condit 1911-7-13 s.n. Siskiyou Dunsmuir Comment
  UC455900  Crepis occidentalis I. J. Condit 1911-7-13 Siskiyou Dunsmuir; Siskiyou-Shasta Counties Comment
  UC91844  Crepis occidentalis T. S. Brandegee Siskiyou Ager Comment
  CAS-BOT-BC376558  Crepis occidentalis subsp. conjuncta Doris K. Kildale 1928-7-2 5374 Siskiyou Salmon Summit via Horn Creek trail Comment
  UC1408880  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-7-15 1031 Siskiyou se-facing slope between English Peak and Bear Meadow (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  UC581295  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1938 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  CAS-BOT-BC290839  Crepis occidentalis subsp. pumila J. Grisham 1958-5-14 399 -58 Siskiyou Yreka Comment
  CAS-BOT-BC376576  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  UC195184  Crepis pleurocarpa Annie M. Alexander and Louise Kellogg 1911-8-12 310 Siskiyou near Toad L. Comment
  UCD130980  Crepis pleurocarpa J. M. Tucker; L. K. Mann 1963-8-18 3762 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC290864  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  RSA183735  Crepis pleurocarpa Gilbert Muth 1965-8-11 207 Siskiyou Upper meadows, Marble Valley, Marble Mts. Comment
  HSC19015  Cryptantha affinis J. O. Sawyer 1969-7-1 956 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  UC24648  Cryptantha intermedia Miss Edmonds 1890-7-4 Siskiyou Comment
  HSC63997  Cryptantha rostellata J. P. Smith 1974-5-25 7372 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
Read comments
May 28 2007
  UC402803  Cryptantha torreyana Annie M. Alexander and L. Kellogg 1911-7-13 123 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC70478  Cryptogramma acrostichoides Doris K. Kildale 1929-7-20 8666 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  RSA211488  Cryptogramma acrostichoides William J. Ferlatte 1966-6-22 118 Siskiyou Josephine Lake basin 1677 Comment
  RSA238017  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou Shasta Ridge, an open granitic rock ridge between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SBBG81349  Cryptogramma acrostichoides R. N. Philbrick 1976-7-2 Siskiyou just above S side of Sugar Lake 1981 Comment
  CAS-BOT-BC70481  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Klamath Forest, Alex Canyon 1889 Comment
  NY16601  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou Northwest side Goose Nest Mt., about 1 mile due south of Old Smith Sawmill on Montague to Mt. Hebron Road 1676.4 Comment
  NY16603  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou North of Timbered Crater on old jeep trail to Gassaway Reservoir; Fall River Mills quadrangle [topographic map] 1097.3 Comment
  RSA12491  Cuscuta suksdorfii var. subpedicellata C. B. Wolf 1934-7-4 5946 Siskiyou 6 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. Comment
  HSC57389  Cycladenia humilis G. L. Clifton, Griswold 1979-7-26 10122 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC3221  Cycladenia humilis R. C. Wunner 1965-6-15 185 Siskiyou Lava Beds National Monument, Caldwell Butte SE side. 1463 Comment
  OBI68614  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou W side of rd to McCloud Reservoir, 0.3 mi S of McCloud Comment
  CAS-BOT-BC114775  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  CAS-BOT-BC114689  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CAS-BOT-BC114149  Cyperus squarrosus LeRoy Abrams 1922-8-6 9898 Siskiyou Klamath River 6 mi. below Hornbrook. Comment
  RSA577571  Cyperus squarrosus L. C. Wheeler 1935-7-20 3672 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  UC673565  Cypripedium californicum Dorothy Tebbe 1929-7-15 116 Siskiyou Mount Eddy Comment
  HSC69514  Cystopteris fragilis John S. Palmer 1980-8-13 795 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  HSC29364  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  HSC29365  Cystopteris fragilis Frederick W. Oettinger 1969-7-11 984 Siskiyou Ridge running in a SW direction on 'Little Medicine Mountain' due NW of Hancock Lake 2073 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
  JEPS68513  Dactylis glomerata Geo. D. Butler 1909-6-18 835 Siskiyou Yreka Comment
  CAS-BOT-BC192250  Danthonia californica Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  CAS-BOT-BC192256  Danthonia californica John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC192262  Danthonia californica Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  UC1265438  Danthonia californica F. W. Oettinger and R. F. Thorne 1969-8-4 1153 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mountains, Sundew Bog 1828 Comment
  CAS-BOT-BC76233  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  CAS-BOT-BC76245  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1219 Comment
  CHSC30186  Darlingtonia californica M. S. Taylor 1980-7-22 3171 Siskiyou Along creek and meadow, ca. 0.1 mi sw of Big Carme ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  UC63716  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson (18th Crossing, Sacramento River); Mount Shasta 1036 Comment
Read comments
Nov 6 2019
  UCD119065  Darlingtonia californica A. H. Murphy 1956-8-16 56 T Siskiyou Klamath N.F. 1981 Comment
  UCD168832  Darlingtonia californica Barry Rice 2015-8-15 BR 150803 Siskiyou Small site on the side of Hwy 26. 1786 Comment
  CAS-BOT-BC420659  Darmera peltata Alice Eastwood 1923-5-20 11860 Siskiyou Shasta Springs Comment
  RSA240079  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UC9128  Delphinium decorum subsp. tracyi Harley P. Chandler June 1901 1589 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  CAS-BOT-BC8755  Delphinium glaucum L. R. Short 1933-8-7 115 Siskiyou Klamath National Forest, Marble Mountains 1798 Comment
  CAS-BOT-BC10132  Delphinium menziesii Mrs. H. C. Cantelow 1936-5-20 1390 Siskiyou Summit of Scott Mtn. 1630 Comment
  UC563986  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou sw base Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC116163  Delphinium nuttallianum John Thomas Howell 1937-7-22 13301 Siskiyou South Fork of Salmon River near Big Flat, 1524 Comment
  CAS-BOT-BC116167  Delphinium nuttallianum A. A. Heller 1916-6-20 12401 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  UC1409276  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 b Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  HSC27039  Delphinium nuttallianum J. O. Sawyer 1971-7-2 2401 Siskiyou Above Elk Hole 1524 Comment
  HSC91416  Deschampsia cespitosa Jennifer Whipple 1976-9-2 1764 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC192462  Deschampsia cespitosa subsp. cespitosa Thomas W. Nelson; Jane P. Nelson 1980-7-20 6171 Siskiyou On hillside above and to southeast of Big Carmen Lake 1737 Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  UCD62396  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3380 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  CAS-BOT-BC201945  Deschampsia elongata Melissa A. Berry 1957-7-7 s.n. Siskiyou Cabin Meadow, Gazelle-Callahan Road vicinity 1828 Comment
  HSC68985  Deschampsia elongata Maralyn A. Renner 1980-7-24 2061 Siskiyou Lily Pad Lake 1768 Comment
  HSC99934  Deschampsia elongata J. P. Smith, & J. O. Sawyer 2011-7-31 13354 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  CAS-BOT-BC201932  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  CAS-BOT-BC42969  Descurainia incisa subsp. incisa John Thomas Howell 1937-7-22 13326 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC77066  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 188 Siskiyou Marble Mtn. Wilderness Area. Comment
  HSC103843  Dicentra formosa subsp. oregana G. Fred Hrusa 2001-6-6 15854 Siskiyou Near summit of pass between Happy Camp, CA and O'Brien, OR at turnoff to Bolan Lake at Oregon border 1425 Comment
  HSC59009  Dicentra pauciflora Marvin Butler 1971-7-16 141 Siskiyou Near El Capitan Lake, close to the town of Cave Junction Comment
  JEPS5684  Dichelostemma X venustum Geo. D. Butler 1909-7-15 889 Siskiyou Highland Mine Comment
  HSC44866  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6455 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  RSA577467  Dichelostemma congestum L. C. Wheeler 1935-6-9 3567 Siskiyou Siskiyou Mountains; Yreka Creek (Mt Diablo Mer.) 1220 Comment
  CAS-BOT-BC500999  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC291019  Dieteria canescens var. shastensis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  CAS-BOT-BC153729  Diplacus nanus John Thomas Howell 1937-7-22 13299 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC153733  Diplacus nanus Peter H. Raven 1956-9-4 10412 Siskiyou On south side of Mt. Eddy 2682 Comment
  CAS-BOT-BC153737  Diplacus nanus Peter H. Raven 1962-5-30 17902 Siskiyou U. S. Highway 97, 8.3 miles north of Weed Comment
  SEINET10929825  Distichlis spicata var. stricta George D. Butler 1910-8-21 Butler 1844 Siskiyou Saline flats, Shasta Valley. Comment
  HSC29232  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: midway between Tom Taylor Cabin and English Peak Summit 1997 Comment
  HSC37534  Dodecatheon conjugens J. P. Smith 1974-5-26 7572 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC45210  Dodecatheon jeffreyi J. O. Sawyer, E. Cope 1977-6-20 2965 Siskiyou Behind Devil's Punchbowl 1829 Comment
  HSC69059  Dodecatheon jeffreyi Maralyn A. Renner 1980-8-6 2321 Siskiyou Cracker Meadow 1555 Comment
  UC922512  Dodecatheon jeffreyi Annie M. Alexander and Louise Kellogg 1949-7-28 5883 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  RSA237243  Dodecatheon jeffreyi Frederick W. Oettinger 1967-7-8 160 Siskiyou Above the western end of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1887 Comment
  JEPS94785  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9356 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  JEPS94786  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9333 Siskiyou on s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); s side of Tennant Road 1402 Comment
  HSC90899  Draba aureola Jennifer Whipple 1976-7-25 1577 Siskiyou N face of Mount Eddy 2439 Comment
  CAS-BOT-BC41319  Draba pterosperma G. J. Muth 1969-8-6 1191 Siskiyou Boulder Peak. 2529 Comment
  UC173898 Image available Draba pterosperma Geo. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain 1676 Comment
  CAS-BOT-BC41414  Draba verna George Dexter Butler 1910-3-24 1143 Siskiyou Shasta River hills. Comment
  HSC40051  Drymocallis glandulosa var. glandulosa J. O. Sawyer 1970-7-4 2327 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC29647  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-16 531 Siskiyou Marble Mtn. Wilderness Area, summit of Red Hill N of Hancock Lake 2058 Comment
  CAS-BOT-BC159291  Drymocallis lactea var. lactea Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  CAS-BOT-BC70815  Dryopteris arguta Annie M. Alexander; Louise Kellogg 1948-9-4 5575 Siskiyou above Salmon River road; between Somesbar and Forks of Salmon River Comment
  JEPS84345  Dulichium arundinaceum Wayne Roderick 1984-8-5 Siskiyou 13 air mi w of Dunsmuir (Cedar Lake); Cedar Lake 1828 Comment
  HSC26759  Dysphania botrys J. P. Smith, J. O. Sawyer 1971-9-18 4821 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC197106  Echinochloa crus-galli Geo. D. Butler 1909-9-5 865 Siskiyou Yreka; Gardens Comment
  CAS-BOT-BC113723  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  CAS-BOT-BC113419  Eleocharis bella Alice Eastwood 1921-7-25 10849 Siskiyou Bigelows, McCloud River. Comment
  JEPS121386  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows Comment
  CAS-BOT-BC113349  Eleocharis engelmannii W. R. Ernst 1958-8-8 285 Siskiyou Grass Lake area, about 32 miles S of Oregon State line on Hwy 97. Comment
  CAS-BOT-BC112978  Eleocharis macrostachya D. E. Breedlove 1962-6-10 3325 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  POM84475  Eleocharis palustris Geo D. Butler 1910-5-26 1410 Siskiyou Yreka. Comment
  CAS-BOT-BC197360  Elymus Copeland 1903-9-7 3794 Siskiyou Mt. Eddy Comment
  CHSC91371  Elymus cinereus Lowell Ahart; John Dittes 2005-6-10 12109 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA233654  Elymus elymoides R. F. Thorne, Frederick W. Oettinger 1969-8-10 38999 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; at base of boulders on dry, sunny, volcanic slopes above ski-lodge. 2378 Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  JEPS82281  Elymus elymoides subsp. elymoides Roger Raiche 1983-8-13 30592 Siskiyou Mt. Eddy; summit area, fell-field 2743 Comment
  HSC30694  Elymus elymoides var. elymoides Frederick W. Oettinger 1969-9-2 1583 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow near Tom Taylor Cabin. 2027 Comment
  HSC30695  Elymus elymoides var. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou The High Lake Basins, at junction of trials to English Peak and Uncle's Lake, Marble Mtn. wilderness area. 2165 Comment
  HSC38384  Elymus elymoides var. elymoides A. M. Montalvo, J. D. Ackerman 1974-7-2 344 Siskiyou E slope of Eddy Mtn., on rd. to Deadfall Lakes and Morgan Meadows. 1524 Comment
  JEPS72940  Elymus glaucus subsp. jepsonii W. L. Jepson 1940-6-28 20054 Siskiyou McCloud 975 Comment
  RSA603760  Elymus lanceolatus L. C. Wheeler 1935-6-30 3627 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UC1666801  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  UC203918  Elymus trachycaulus Geo. D. Butler 1909-6-27 847 Siskiyou roadside near Yreka Comment
  RSA34384  Epilobium anagallidifolium W. Bridge Cooke 1947-8-20 17818 Siskiyou Around the water supply spring above Horse Camp, Mount Shasta. 2515 Comment
  UC164268  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  RSA34395  Epilobium brachycarpum W. Bridge Cooke 1947-8-1 17759 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta 1677 Comment
  HSC103904  Epilobium canum subsp. latifolium Dana York, Richard Helliwell 2010-9-11 3015 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  JEPS121626  Epilobium ciliatum Kendra Sikes 2011-8-24 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys. Gently sloping wet meadow / fen on ultramafic soil; N aspect. Mumbo Basin quadrangle. FCS-1D Comment
  HSC49650  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-15 4341 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  JEPS43884  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-6-25 509 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  UC873277  Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-8-24 12213 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 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
  UC873374  Epilobium glaberrimum subsp. glaberrimum Alice Eastwood 1912-7-16 1065 Siskiyou McCloud Comment
  HSC91954  Epilobium hallianum Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA264966  Epilobium hallianum Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  HSC22193  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-24 1496 Siskiyou SW of Sugar Lake 1890 Comment
  HSC36562  Epilobium hornemannii subsp. hornemannii J. P. Smith 1969-7-16 1154 Siskiyou SW facing slope W of Waterdog Lake 2119 Comment
  POM259013  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15434 Siskiyou Mount Shasta: Along Squaw Valley Creek 2287 Comment
  RSA237388  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1969-8-1 1134 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  JEPS39209  Epilobium minutum Geo. D. Butler 1909-4-26 612 Siskiyou Oro Fino Comment
  CAS-BOT-BC171833  Epilobium oreganum Alice Eastwood 1921-7-30 10999 Siskiyou Soda Creek Comment
  SEINET10492277  Epilobium paniculatum Lawrence P. Janeway 1983-8-28 Janeway 641 Siskiyou Preston peak quak; t18n, r6e, sw 1/4 of sec 20. At poker flat; dry gravelly part of upper edge of lower portion of meadow; fir forest. 1524 Comment
  SFV12226  Equisetum arvense E. L. Smith 1967-5-22 s. n. Siskiyou City of Mount Shasta. Swampy area by railroad tracks. 1086 Comment
  UC166479  Eragrostis mexicana subsp. virescens Geo. D. Butler 1909-10-3 869 Siskiyou near Yreka Comment
  HSC4918  Eremogone congesta J. O. Sawyer 1968-7-9 414 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC36423  Eremogone congesta J. O. Sawyer 1969-6-12 935 Siskiyou Along Duck Lake trail 1905 Comment
  CAS-BOT-BC174230  Eremogone congesta var. congesta Ira L. Wiggins 1955-7-27 13515 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC286699  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  CAS-BOT-BC286711  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountains 1219 Comment
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  JEPS74448  Ericameria bloomeri W. J. Ferlatte 1966-9-18 486 Siskiyou Big Flat Trinity Alps, Big Flat (near public camp) 1524 Comment
  RSA168828  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou Near top, Blue Ridge, on road between Cecilville and Sawyer's Bar 1585 Comment
  CAS-BOT-BC287493  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  CAS-BOT-BC287500  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou Mt Eddy 1889 Comment
  CAS-BOT-BC294303  Ericameria nauseosa var. speciosa Doris K. Kildale 1929-8-24 8815 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC294307  Ericameria nauseosa var. speciosa Alice Eastwood 1917-9-2 6661 Siskiyou Shasta Springs Comment
  UCR266169  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  HSC78333  Erigeron aliceae L. P. Janeway 1983-7-31 481 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  POM35919  Erigeron aliceae Geo. D. Butler 1910-6-8 1653 Siskiyou Shackleford Creek Comment
  UC455846  Erigeron bloomeri var. bloomeri I. J. Condit 1911-7-28 Siskiyou summit of ridge between Castle Lake and Mount Bradley Comment
  UC160448  Erigeron bloomeri var. nudatus I. J. Condit 1911-7-28 Siskiyou summit of ridge from Castle Lake to Mt. Bradley Comment
  HSC44956  Erigeron compositus J. O. Sawyer 1978-6-16 3229 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC64663  Erigeron compositus J. O. Sawyer 1977-7-6 3029 Siskiyou South of Little Duck Lake 2134 Comment
  HSC2229  Erigeron filifolius J. W. Thompson 1936-7-8 13157 Siskiyou Lava Beds National Monument, lava slopes Comment
  CHSC71470  Erigeron filifolius var. filifolius Vernon H. Oswald; Lowell Ahart 1998-7-21 9313 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  HSC19467  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-24 1488 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC43037  Erigeron klamathensis J. O. Sawyer, Ken Stillman 1976-7-2 2810 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  JEPS41523  Erigeron klamathensis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine Comment
  RSA238772  Erigeron klamathensis Frederick W. Oettinger 1968-8-19 588 Siskiyou Along trail near gap in ridge between Toms and Hancock Lake basins. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2146 Comment
  UC1023731  Erigeron nivalis W. Bridge Cooke 1941-8-14 16180 Siskiyou on ridges n of Horse Camp; Mount Shasta 2743 Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  UC1285745  Erigeron petrophilus var. viscidulus Annie M. Alexander and Louise Kellogg 1911-8-12 307 Siskiyou near Toad Lake 2072 Comment
Read comments
Nov 28 2018
  UC1192213  Erigeron pumilus var. intermedius Herbert L. Mason 1948-7-18 13609 Siskiyou Grass Lake Comment
  CAS-BOT-BC33471  Erigeron tener Edwin Bingham Copeland 1903-9-1 s.n. Siskiyou Mt. Eddy 1249 Comment
  CDA34233  Eriodictyon californicum Jim Rea 2010-7-6 PDR# 1414046 Siskiyou Yreka, Quail Run near Schulmeyer Road. 0 Comment
  UC144188  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  RSA789822  Eriogonum Rebecca Wenk 2006-9-2 545 Siskiyou Trail to Caribou Lakes from Big Flat Meadow. 1951 Comment
  LA88832  Eriogonum baileyi var. baileyi 1966-9-11 s.n. Siskiyou Comment
  UC1211909  Eriogonum compositum var. compositum Roy L. Taylor 1960-6-12 4440 Siskiyou 1 mi w jtn. of Hwy 96 (Klamath River Rd.) and Hwy. 99 n of Yreka (hillsides above the Klamath River); Klamath River Comment
  HSC49951  Eriogonum congdonii G. L. Clifton, Ground 1978-7-2 1800 Siskiyou Near Scott Mtn. Summit 1705 Comment
  CAS-BOT-BC246491  Eriogonum diclinum John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1096795  Eriogonum elatum Milo S. Baker and Douglas Barbe 1955-7-4 86 Siskiyou 1.3 mi s on the Westside Rd. to Callahan Etna (near the gate, meadow on s side of road) 853 Comment
  UC909325  Eriogonum elatum Dorothy Parker 1948-8-5 172 Siskiyou dry rocky and sandy field, e. fork of Scott River Plowman's Valley, e. fork of Scott River 1188 Comment
  JEPS57002  Eriogonum elatum var. elatum Geo. D. Butler 1908-8-6 202 Siskiyou trail beyond Whiskey Camp (Independence Creek); Marble Mt. Reg., Independence Creek Comment
  UCD99916  Eriogonum elatum var. elatum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. Comment
  HSC49942  Eriogonum hirtellum G. L. Clifton 1979-8-5 12500 Siskiyou Near Twin Valley 1646 Comment
  UC1408822  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou ridge between English Peak Diamond Lake; Salmon Mountains, Marble Mountains Wilderness Area, High Lak 2072 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
  CAS-BOT-BC263654  Eriogonum luteolum var. luteolum Mrs. H. C. Cantelow 1938-10-25 s.n. Siskiyou About 16 miles NW of Yreka on Hy. #96 Comment
  HSC43465  Eriogonum marifolium Jennifer Whipple 1977-7-20 1980 Siskiyou S face of Mt. Eddy draining into the N Fork of Sacramento River 2470 Comment
  UC1505832  Eriogonum marifolium Robert T. Clausen and Harold Trapido 1940-7-27 4975 Siskiyou 5 mi ne, on w side of Mountainhouse Creek summit of Mt. Shasta; So. Cascade Mts., Mountainhouse Creek 1981 Comment
  UC604097  Eriogonum marifolium W. Bridge Cooke 1938-7-1 11137 Siskiyou Mt. Shasta 1676 Comment
  UC849523  Eriogonum marifolium Alice Eastwood 1912-9-1 2072 Siskiyou Mount Shasta Comment
  UCD100399  Eriogonum marifolium Dean Wm. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta; between Shasta Ski area and Green Butte. 2590 Comment
  CAS-BOT-BC271026  Eriogonum nudum var. deductum Isabelle C. Kimber 1934-6-9 3 Siskiyou Mt. Shasta 1219 Comment
  SD23783  Eriogonum nudum var. nudum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mt. Shasta 1372 Comment
  HSC42998  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-6-15 3977 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC43073  Eriogonum nudum var. pubiflorum J. P. Smith, J. O. Sawyer 1972-5-28 5366 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 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
  SD133754  Eriogonum nudum var. pubiflorum L. R. Heckard, I. T. Chuang 1968-7-2 1969 Siskiyou Along U.S. Highway 97, 6 miles north of Weed 1219 Comment
  CHSC102612  Eriogonum pyrolifolium L. P. Janeway 2009-8-3 9882 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  LA207005  Eriogonum pyrolifolium W. B. C. after Stokes; 1939-7-17 sn Siskiyou upper Panther Creek Meadows 2438 Comment
  CAS-BOT-BC252959  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1882-8-30 s.n. Siskiyou Mount Shasta 2743 Comment
  SD76169  Eriogonum pyrolifolium var. pyrolifolium Helen V. Witham 1969-10-9 605 Siskiyou Mt. Shasta, in scree at timberline 2400 Comment
  UCD100863  Eriogonum pyrolifolium var. pyrolifolium Jack Major 1961-7-14 650 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  CAS-BOT-BC268585  Eriogonum siskiyouense Thomas W. Nelson; Jane P. Nelson 1983-7-29 7504 Siskiyou North Coast Ranges. Along west side of State Route 3 2.4 miles north of Scott Mountain Summit just north of junction with forest road 40N03 1371 Comment
  CHSC34102  Eriogonum siskiyouense J. D. Jokerst; M. D. Huffine 1981-9-8 1463 Siskiyou E of and adjacent to rd. 1249 Comment
  CAS-BOT-BC268578  Eriogonum siskiyouense J. D. Jokerst 1981-8-18 1463 Siskiyou East of USFS logging road in the S1/2 of the SW1/4 Section 2 1249 Comment
  UC164052  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-27 1428 Siskiyou hill near Yreka Comment
  UC54213  Eriogonum strictum var. anserinum H. M. Hall and E. B. Babcock June, 1903 4099 Siskiyou Little Shasta Valley Mount Shasta, Little Shasta Valley 853 Comment
  CAS-BOT-BC267972  Eriogonum umbellatum var. argus James L. Reveal; Darin S. Reveal 1978-8-8 4808 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 miles northeast of the Summit and about 1 mile northeast of the Lake, at the end of a ridge about 0.3 mile north of the.. 1737 Comment
  RSA237775  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -a Siskiyou Midway between Tom Taylor Cabin and Little North Fork River trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt Wilderness Area. 2012 Comment
  RSA237776  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  RSA68952  Eriogonum umbellatum var. argus A. E. Culbertson 1943-7-21 6 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 mi. S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts. 2000 ft. above Sacramento R. within 10 mi. of its headwaters to the west. 1657 Comment
  RSA420577  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  SEINET10825698 Image available Eriogonum umbellatum var. argus James L. Reveal, Mark L. Reveal 1975-8-15 Reveal 3955 Siskiyou Siskiyou Co. Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Raod 40S01). 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail, on sandy-gravel soil associated with Abies and Lupinus, in open places or near low shrubs. Sec. 19, T.47N., R.9W. 2042 Comment
  JEPS56184  Eriogonum umbellatum var. dumosum W. L. Jepson 1914-8-14 6166 Siskiyou Dunsmuir 670 Comment
  JEPS100253  Eriogonum umbellatum var. lautum Dean W. Taylor 2003-8-13 18683 Siskiyou ca. 1 mi S of Greenview, along Kidder Creek Road 0.5 mi W from the junction with Hwy 3, Scott Valley; Trinity Alps 987 Comment
Read comments
May 3 2007
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC1185944  Eriogonum umbellatum var. modocense L. E. Detling 1950-6-10 6625 Siskiyou nr. Dry Gulch; Shasta R. Canyon 777 Comment
  HSC60822  Eriogonum umbellatum var. polyanthum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM105092  Eriogonum umbellatum var. polyanthum Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest Foothills. 1524 Comment
  SD61026  Eriogonum umbellatum var. polyanthum D. F. Howe 1964-8-4 4024 Siskiyou 9 mi. from entrance to Modoc Nat. Forest. Lava Bed Nat. Monument 2042 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  POM116867  Eriophorum crinigerum Geo D. Butler 1910-7-9 1703 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  POM185511  Eriophorum crinigerum Copeland 1903-8-18 3902 Siskiyou Mt. Eddy. Comment
Read comments
Jan 23 2011
  RSA105501  Eriophyllum lanatum G. D. Barbe 1955-6-29 32 Siskiyou 2 miles E of Gallahan at Trinity Center Road jct, just S of bridge 976 Comment
Read comments
Mar 3 2013
  SEINET10672050  Eriophyllum lanatum Katherine L. Morris, David B. Dunn; Patricia L. Kenney 1973-6-2 Morris 369 Siskiyou Found in an open meadow associated with yellow pine on the south side of Hwy. 3, 22 mi. E of Fort Jones. Comment
  SEINET10854116  Eriophyllum lanatum Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 341 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263. Comment
  UC163824  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  UC507153  Eriophyllum lanatum var. achilleoides L. Constance 1933-7-6 E 119 Siskiyou 10 mi n Weed (near road to Klamath Falls) Comment
  CAS-BOT-BC301101  Eriophyllum lanatum var. achilleoides R. C. Barneby 1954-5-16 11506 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC68416  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-9 838 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC507183  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou near Weed Comment
  JEPS47724  Eriophyllum lanatum var. integrifolium W. B. and V. G. Cooke 1966-7-16 37211 Siskiyou road above Black Butte Station; Mt. Shasta 1219 Comment
  CDA33631  Eriophyllum lanatum var. integrifolium R. A. Price 2010-7-3 1661 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 Comment
  CAS-BOT-BC301712  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  HSC2273  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mtn. 1220 Comment
  JEPS84050  Eriophyllum lanatum var. lanceolatum L. R. Heckard with J. Hickman et al. 1986-7-17 6479 Siskiyou along road above and w Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  POM358044  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-1 9058 Siskiyou Smoky Creek Comment
  RSA166005  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City 1067 Comment
  HSC36770  Erodium cicutarium J. P. Smith 1974-5-25 7400 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS110491  Eryngium alismifolium Robert E. Preston 2005-7-1 2358 Siskiyou 3.3 mi E of Granada, along County Rd A12. 787 Comment
  CAS-BOT-BC54577  Erysimum capitatum Doris K. Kildale 1928-7-2 5392 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  CAS-BOT-BC65378  Erysimum capitatum R. C. Wenk 2005-7-15 235 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. 2042 Comment
  HSC36817  Erysimum capitatum var. capitatum J. P. Smith 1974-5-27 7616 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC192  Erysimum perenne William J. Ferlatte 1967-8-21 1070 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC19559  Erysimum perenne J. O. Sawyer 1969-7-9 1260 Siskiyou W facing slope above Bingham Lake 2317 Comment
  POM266139  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  CHSC2261  Erythronium grandiflorum var. pallidum V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  RSA17662  Eschscholzia californica var. crocea Elmer I. Applegate 1935-6-10 9470 Siskiyou Harden Butte (Sand Hill), Lava Beds National Monument Comment
  JEPS74516  Eucephalus ledophyllus W. J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine Trinity Alps 1981 Comment
  HSC22132  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-7-25 1544 Siskiyou Above High Lake 2226 Comment
  HSC471  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake basin 1677 Comment
  HSC69202  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2686 Siskiyou Bear Mtn. 1936 Comment
  HSC61117  Euchiton gymnocephalus Ruby Van Deventer Siskiyou F.S. Rd. 17N04; Doe Flat Comment
  UCR80272  Euonymus occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2772 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  UC1096796  Euphorbia crenulata Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-15 13104 Siskiyou just s Weed; Scott Mountains Comment
  UCSB37071  Euphorbia virgata Clark, Dell 1970-6-23 Siskiyou 2 1/2 miles northwest of Dorris, on east side of Mathews Rd., 1 1/2 miles north of Picards Rd. Comment
  UC1409463  Eurybia radulina Frederick W. Oettinger 1969-8-29 1563 Siskiyou along trail above, between Abbotts Upper Cabin & English Lake Willow Springs; Salmon Mountains, Marble Mountain Wilderness Area, English P 1676 Comment
  CAS-BOT-BC278728  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC92561  Festuca idahoensis Jennifer Whipple 1976-8-20 1706 Siskiyou Summit region of Mount Eddy 2530 Comment
  RSA414218  Festuca idahoensis M. B. Dunkle 1945-8-2 9283 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  RSA582095  Festuca idahoensis L. C. Wheeler 1934-6-18 2730 Siskiyou West Fork Cottonwood Creek, Siskiyou Mountains. 1280 Comment
  RSA184785  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  CAS-BOT-BC278873  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC278877  Festuca occidentalis Alice Eastwood 1923-5-27 11963 Siskiyou Shasta Springs Comment
  CAS-BOT-BC278880  Festuca occidentalis Wm. Bridge Cooke 1939-6-30 13569 Siskiyou Mount Shasta. At MacBride Springs Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC796737  Festuca occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11744 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  SEINET239083 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-2 BLM 8123 Siskiyou Klamath National Forest ; Road cut where old highway intersects modern one, on Hwy 3 6.7 miles by road southwest of the Yreka city limits at road marker 003/SIS/40. 1128 Comment
  CHSC61575  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; southeast-sloping ridge just northwest behind West Branch Guard Station. 701 Comment
  UCD66350  Festuca rubra L. Whitney 1934-6-29 2223 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  CAS-BOT-BC278637  Festuca subulata W. R. Dudley 1901-8-23 s.n. Siskiyou Salmon Mountains Comment
  UC1735838  Festuca viridula Dean W. Taylor 1999-8-12 17311 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  RSA29656  Floerkea proserpinacoides Louis C. Wheeler 1935-6-27 3596 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  CAS-BOT-BC453510  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  UC466547  Fragaria vesca Milo S. Baker Jun 1896 114 Siskiyou Sisson Comment
  UC859959  Fragaria vesca A. A. Heller 1916-6-20 12406 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC437075  Fragaria vesca subsp. bracteata Alice Eastwood 1922-10-18 11517 Siskiyou Shasta Springs Comment
  CAS-BOT-BC457569  Fragaria vesca subsp. californica Alice Eastwood 1923-5-27 11939 Siskiyou Shasta Springs Comment
  CAS-BOT-BC59989  Frangula purshiana Elmer I. Applegate 1895-5-30 64 a Siskiyou Sacramento Canyon, upper crossing SPRR, below Sisson. Comment
  CAS-BOT-BC60015  Frangula purshiana Doris K. Kildale 1928-8-18 6435 Siskiyou Head of N. Fork of salmon River at Finley's Upper Camp. On trail to Marble Mt. Comment
  UCD113133  Frangula rubra Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  CAS-BOT-BC55700  Frangula rubra subsp. modocensis John Thomas Howell 1934-7-4 12402 Siskiyou Se. corner of Siskiyou Co. Comment
  SBBG27245  Frangula rubra subsp. obtusissima D. K. Kildale 1929-6-22 8032 Siskiyou base of Black Butte, Mt Shasta Comment
  CAS-BOT-BC223578  Fraxinus latifolia Lewis S. Rose 1945-6-18 45073 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC223585  Fraxinus latifolia Doris K. Kildale 1929-7-20 8648 Siskiyou Trail up South Fork, Indian Creek to Elk Lick Comment
  UC166185  Fraxinus latifolia Geo. D. Butler Jul 15 1908-Jan 1 1909 1076 Siskiyou near Yreka Comment
  CAS-BOT-BC502842  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain 1219 Comment
  HSC30638  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  RSA237919  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-18 582 Siskiyou North end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  JEPS20034  Fritillaria pudica George D. Butler 1909-3-7 554 Siskiyou Butcher Hill near Yreka; Butcher Hill Comment
  HSC44498  Fritillaria pudica K. Irwin 1977-5-21 372 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  CAS-BOT-BC504468  Fritillaria recurva Geo. D. Butler 1909-4-14 596 Siskiyou Humbug Road Comment
  CDA5857  Gaillardia aristata G. D. Barbe, T. C. Fuller 1972-6-14 947 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  HSC68323  Galium aparine J. P. Smith, Steve Selva 1970-6-14 3859 Siskiyou Comment
  UCD121595  Galium bifolium G. J. Muth 1975-7-30 5876 Siskiyou Near Lily Pad Lake, near Seiad Valley. 1584 Comment
  RSA610764  Galium bifolium Louis C. Wheeler 1935-6-27 3597 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  JEPS6707  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou roadside Oro Fino Comment
  UC1170100  Galium bolanderi W. Bridge Cooke 1956-7-16 30298 Siskiyou above Hotlum Station (n side of mt.); Mount Shasta 1524 Comment
  UC144572  Galium bolanderi A. A. Heller 1905-6-15 8034 Siskiyou near Sisson Comment
  JEPS26663  Galium bolanderi Lauramay T. Dempster 1961-7-2 1846 Siskiyou Sugar Pine Gulch Scott River (s of Steelhead) Comment
  HSC69163  Galium glabrescens Maralyn A. Renner 1980-8-8 2469 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  SEINET1910268  Galium glabrescens Barbara Ertter 1990-1 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 fairmiles W of Mt. Shasta City. 1890 Comment
  UC220540  Galium grayanum H. E. Brown Jun 11 1897-Jun 16 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  JEPS76802  Galium serpenticum subsp. scotticum Glenn L. Clifton and Chester A. Ground 1978-6-13 1037 Siskiyou ssw Yreka (Forest House) 1036 Comment
  RSA264749  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  UC1258469  Galium triflorum John Palmer 1980-8-12 686 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  HSC60808  Galium triflorum Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo (Bell Echo Camp) in Young's Valley 1189 Comment
  CAS-BOT-BC200584  Garrya buxifolia Geo. D. Butler 40 Siskiyou On West Fork of Woolly Creek 1524 Comment
  CAS-BOT-BC182272  Garrya fremontii John Thomas Howell 1939-8-2 14865 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  LA40344  Garrya fremontii Louis C. Wheeler; 1934-6-22 2764 Siskiyou Siskiyou Mountains, Cottonwood Creek 1066 Comment
  HSC30236  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat near campground 1524 Comment
  POM78079  Garrya fremontii Geo. D. Butler 1909-3-21 562 Siskiyou Oro Fino Comment
  HSC69089  Gaultheria ovatifolia Maralyn A. Renner 1980-8-6 2320 Siskiyou Cracker Meadow 1555 Comment
  JEPS66603  Gaultheria ovatifolia J. G. Lemmon 1879-1 Siskiyou Sisson Comment
  RSA238353  Gaultheria ovatifolia Frederick W. Oettinger 1967-7-30 226 Siskiyou Semi-shaded granite cliffs southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  JEPS47719  Gayophytum diffusum subsp. parviflorum W. B. and V. G. Cooke 1966-7-16 37212 Siskiyou above Hotlum Station (along old dirt road); Mt. Shasta 1676 Comment
  UC1714622  Gayophytum diffusum subsp. parviflorum Milo S. Baker 126 Siskiyou near Medicine Lake; Payne's Springs Comment
  HSC184  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-3 256 Siskiyou Mtn. Meadow Ranch 1524 Comment
  POM313456  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1784 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  JEPS27539  Gayophytum heterozygum Willis L. Jepson Jul 24 1894-Aug 10 1894 14437 Siskiyou sw slope half-way to Horse Camp; Region of the Upper Sacramento, Mt. Shasta Comment
  CHSC84697  Gentiana calycosa L. P. Janeway 2003-8-9 7959 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; along trail from the crest down north slope to Echo Lake about half way. 1719 Comment
  JEPS83888  Gentiana calycosa Wayne Roderick Sep 1978 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mts. 1706 Comment
  JEPS51257  Gentiana newberryi Wayne Roderick 1967-9-3 Siskiyou in region just s South China Mountain (Cabin Meadow near Cabin Meadow Lakes); Cabin Meadow 2133 Comment
  UC334253  Gentiana newberryi unknown 1888-9-7 Siskiyou near Mt. Eddy Comment
  SEINET12651468 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area. 1670 Comment
  RSA68913  Gentiana simplex A. E. Culbertson 1943-8-4 45 Siskiyou One fourth m. below Castle Lake; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains. 2000 above Sacramento River within ten air miles of its headwaters to the west. 1657 Comment
  HSC85691  Gentianella amarella subsp. acuta J. P. Smith 1980-8-24 10340 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 Comment
  HSC77007  Geranium richardsonii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  SBBG16394  Geum aleppicum D. Myrick 1961-6-20 277 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  CAS-BOT-BC143587  Geum triflorum L. E. Smith 1913-5-18 229 Siskiyou Bray Comment
  UC29086  Githopsis specularioides E. L. Greene 1876-1 Siskiyou near Yreka Comment
  NY329474  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  JEPS83991  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6374 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  LA86548  Glyceria elata J. M. Tucker; 1963-8-19 3774 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek 1950 Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  UC819300  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1158 Comment
  CHSC61576  Glyceria striata L. P. Janeway 1983-9-11 684 Siskiyou Siskiyou Mountains; at Poker Flat, in the middle of the lower part of the meadow. 1524 Comment
  UC61683  Gnaphalium palustre Geo. B. Grant 1902-9-1 5088 Siskiyou Sisson Northern California, Mount Shasta 1066 Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA237526  Gnaphalium palustre Frederick W. Oettinger 1969-8-14 1368 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  HSC98370  Goodyera oblongifolia J. O. Sawyer 1969-8-18 1995 Siskiyou Slopes of S Sugar Creek 1829 Comment
  RSA381794  Goodyera oblongifolia M. B. Dunkle 1944-8-25 9172 Siskiyou Siskiyou National Forest, Hungry Creek Comment
  RSA381795  Goodyera oblongifolia Louis C. Wheeler 1934-8-14 3118 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  JEPS41882  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou roadside near Montague Comment
  UC134621  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  UC202446  Grindelia hirsutula A. A. Heller 1917-9-7 12979 Siskiyou 10 mi s Gazelle (Shasta Valley); ; Shasta valley S of Gazelle, Siskiyou Co. 914 Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  SEINET8196611  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far W end of town along the old highway to Yreka. 1036 Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC163856  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou Whiskey Camp Independence Creek Comment
  UC1560415  Hackelia setosa E. Joyal and D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp 1524 Comment
  HSC44848  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3984 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC82357  Hastingsia alba Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4520 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SJSU6536  Hastingsia alba R. W. Trivelpiece 1973-6-28 159 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan 2042 Comment
  UC30106  Hastingsia alba Harley P. Chandler June 1901 1616 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC504614  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's prairie, north base of Mt. Eddy 1158 Comment
  CAS-BOT-BC504616  Hastingsia alba anonymous no date on the lable. s.n. Siskiyou Siskiyou Comment
  RSA184797  Hastingsia alba Gilbert Muth 1966-7-17 387 Siskiyou Ridge, near lookout, Marble Mountains. 2043 Comment
  RSA211315  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  RSA377543  Hastingsia alba M. B. Dunkle 1945-7-24 9260 Siskiyou Klamath National Forest. Marble Mtns. Comment
  RSA68941  Hastingsia alba A. E. Culbertson 1943-7-6 17 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall; 14 miles s.w. of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  CAS-BOT-BC302454  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou Near summit of Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  CAS-BOT-BC306740  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC306751  Helenium bigelovii Doris K. Kildale 1929-7-20 8704 a Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC306746  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  HSC43139  Helenium puberulum Ken Stillman 1976-8-24 417 Siskiyou E and N slopes of Williams Point 366 Comment
  JEPS872  Helianthella californica subsp. californica Harley P. Chandler 1901-6-1 1535 Siskiyou Klamath River North Coast Ranges 426 Comment
  CAS-BOT-BC314845  Helianthella californica var. shastensis H. M. Hall; E. B. Babcock 1903-6-1 4056 Siskiyou Near Sisson, Mount Shasta 1066 Comment
  RSA44889  Helianthus bolanderi J. C. Roos 1948-9-2 3977 Siskiyou Fort Jones. 915 Comment
  HSC101502  Hemerocallis fulva J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12993 Siskiyou Fence row along Gazelle-Callahan Road. 3961 Comment
  HSC96738  Hesperochiron californicus M. Mesler 2006-7-2 624 Siskiyou Trail to E of Boulder Lake 1829 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  UC60934  Heterocodon rariflorum Geo. B. Grant 1902-9-1 5202 Siskiyou Sisson; Mount Shasta 914 Comment
  SEINET3166883  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou E of Etna. On road to Gazelle, just NE of CA-3; 9.8 km S of road to Managaroo Lake Comment
  JEPS31851  Heterotheca villosa var. minor Geo. D. Butler 1908-8-8 338 Siskiyou Marble Valley 1676 Comment
  HSC34313  Heuchera merriamii J. P. Smith, J. O. Sawyer 1973-8-15 7328 Siskiyou N of Angel Lake 2012 Comment
  UC530058  Heuchera merriamii Louis C. Wheeler 1934-8-9 3079 Siskiyou head of Jaynes Canyon; Siskiyou Mts 1920 Comment
  CAS-BOT-BC424371  Heuchera rubescens Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jayne canyon, Siskiyou Mts. 2042 Comment
  CAS-BOT-BC319678  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC319700  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  UC1483492  Hieracium albiflorum J. Sawyer and J. Cole 1980-7-22 3927 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  CAS-BOT-BC319685  Hieracium albiflorum L. E. Smith 1913-7-6 s.n. Siskiyou North fork Castle Creek Comment
  RSA183734  Hieracium albiflorum Gilbert Muth 1965-8-11 204 Siskiyou Marble Valley. Marble Mtns. Comment
  UC701259  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou El, Mt. Marble Mts., Elk Mt. Comment
  HSC81198  Hieracium bolanderi Thomas W. Nelson, Jane P. Nelson 1980-7-5 5966 Siskiyou Fowler's Campground 1006 Comment
  JEPS25876  Hieracium greenei Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7461 Siskiyou above and due e of Twin Valley ((about 12 air mi nw of Happy Camp)); Siskiyou Mountains 1584 Comment
  RSA237429  Hieracium greenei Frederick W. Oettinger 1969-8-12 1338 Siskiyou 1/4 mile below metal bridge below Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC316014  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC316016  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC455914  Hieracium nudicaule I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC316031  Hieracium scouleri Lewis S. Rose 1936-7-29 36704 Siskiyou Shasta Springs 762 Comment
  HSC143  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake Basin 1677 Comment
  HSC158  Hieracium scouleri William J. Ferlatte 1966-8-3 252 Siskiyou Big Flat, near public campground 1524 Comment
  HSC76864  Hieracium scouleri K. T. Stillman 1976-9-9 478 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  CAS-BOT-BC152371  Holodiscus discolor var. discolor R. F. Thorne; Frederick W. Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak, near crest of ridge above English Lake, along trail to Hancock Lake 1767 Comment
  UCD77777  Holodiscus discolor var. microphyllus Robert E. Preston 2001-7-21 1735 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  CHSC69087  Holodiscus microphyllus var. glabrescens Vernon Oswald; Lowell Ahart 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  CAS-BOT-BC94844  Holodiscus microphyllus var. microphyllus R. C. Wenk 2005-7-15 210 Siskiyou Trinity Alps, above South Fork of the Salmon River, along Yellow Rose Mine trail 2133 Comment
  RSA597962  Holodiscus microphyllus var. microphyllus Louis C. Wheeler 1963-9-3 8340 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  RSA602817  Hordeum brachyantherum L. C. Wheeler 1934-6-26 2794 Siskiyou Cottonwoods Creek; Border of sunny creek; Siskiyou Mts., Mt. Diablo Mer. 838 Comment
  SEINET516278  Hordeum brachyantherum subsp. brachyantherum Vernon H. Oswald 1997-7-28 8787 Siskiyou SE of Medicine Lake on road 43N54 at a meadow 0.6 mi SE of Paynes Springs. 1920 Comment
  JEPS107373  Hordeum jubatum Lowell Ahart, John Dittes 2005-6-9 12023 Siskiyou Field, on the east side of a poor rock fence, about 400 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
  CDA2189  Hordeum marinum subsp. gussoneanum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2782 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CHSC91235  Hordeum marinum subsp. gussoneanum Lowell Ahart; John Dittes 2005-6-9 12000 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
  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
  CAS-BOT-BC143944  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle Comment
  JEPS95048  Horkelia fusca subsp. parviflora Vernon Oswald and Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. s. of Medicine Lake Rd. (on Forest Rte. 15, at edge of meadow); Pumice Stone Well 1905 Comment
  SEINET515837  Horkelia fusca subsp. parviflora Vernon Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1905 Comment
  HSC28  Horkelia fusca var. parviflora William J. Ferlatte 1966-6-22 69 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC514282  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  JEPS88752  Horkelia tridentata subsp. tridentata Dean W. Taylor 1993-5-26 13521 Siskiyou ca 400 m e Forest Road 40N04 and right-of-way PG&E natural gas pipeline (1 mi nw Timbered Crater, on border of narrow meadows along unnamed creek tributary to Abode Flat); Modoc Plateau, nw Timbered Crater 1120 Comment
  CAS-BOT-BC201129  Hosackia crassifolia A. A. Heller 1905-6-5 7972 Siskiyou Between Shasta Retreat and 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
  SEINET957334  Hosackia crassifolia G. D. Butler 1910-1 1452 Siskiyou Lang Valley. Comment
  HSC68310  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-7-4 1424 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  LA203778  Hulsea nana L. Ellison; 1928-9-12 505 Siskiyou Mt. Shasta, sw slope of mountain 2895 Comment
  UC618665  Hulsea nana W. Bridge Cooke 1938-7-28 11363 Siskiyou North Ridges Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC25489  Hydrophyllum occidentale J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5717 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  SEINET3156130  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  SBBG21909  Hypericum perforatum D. Myrick 1964-7-25 973 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  CAS-BOT-BC401288  Hypericum perforatum Doris K. Kildale 1928-7-1 5320 Siskiyou Forks of Salmon Comment
  UC856770  Idahoa scapigera Louis C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River Klamath River; Klamathon, Klamath River 701 Comment
  CAS-BOT-BC94923  Ipomopsis aggregata R. C. Wenk 2005-7-19 340 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. Comment
  JEPS80535  Ipomopsis congesta Gilbert Muth 1965-7-28 312 Siskiyou ridge near Marble Mt. Lookout Marble Mt. Wilderness Area 2103 Comment
  HSC17050  Ipomopsis congesta R. C. Wunner 1965-6-26 285 Siskiyou Lava Beds National Monument, Schonchin Butte near top 1614 Comment
  SEINET3875954  Iris tenax subsp. klamathensis Marc A. Baker 1980-6-20 2182 Siskiyou Orleans Quad. Near Bald Mountain.; 0 1036 Comment
  HSC85899  Isatis tinctoria Barry Silver 1986-5-24 613 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  HSC36751  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SEINET10481752  Isatis tinctoria Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 342 Siskiyou Found at the jct. Of shasta and klamath rivers on hwy 263. Comment
  UC1745893  Isoetes occidentalis Annetta M. Carter, Eder Lindsay 1939-8-20 1463 Siskiyou NW side of Taylor Lake. 2026 Comment
  RSA68873  Isopyrum occidentale A. E. Culbertson 1943-6-26 83 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  NY353429  Isopyrum stipitatum E. L. Greene 1876-4-10 689 Siskiyou Near Yreka Comment
  POM211513  Isopyrum stipitatum Louis C. Wheeler 1935-3-10 3371 Siskiyou Siskiyou Mountains: Miller Gulch off Klamath River. 671 Comment
  POM56240  Iva axillaris subsp. robustior Geo D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake. 1220 Comment
  RSA57549  Iva axillaris subsp. robustior E. B. Copeland 1903-7-2 3539 Siskiyou Klamathon. Comment
  CHSC98389  Ivesia pickeringii Dean Wm. Taylor 1996-7-11 15781 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed and 1 air mile west of Stewart Springs). Shasta-Trinity National Forest. 1328 Comment
  HSC77499  Juncus bufonius var. bufonius L. P. Janeway 1983-6-25 335 Siskiyou Dirt road 0.5 mi. N of W Branch USFS Station 671 Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC30685  Juncus confusus Frederick W. Oettinger 1969-8-24 1526 Siskiyou Between English Lake main camp and 'Sundew Bog' W of camp 1799 Comment
  HSC30703  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou Marble Mtn. Wilderness Area, E shore of Diamond Lake 2073 Comment
  HSC76745  Juncus drummondii K. T. Stillman 1976-7-15 262 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  HSC73220  Juncus ensifolius Gail Newton 1980-6-20 504 Siskiyou Near Bald Mtn. 1097 Comment
  UCR37583  Juncus ensifolius L. P. Janeway 1983-9-11 668 Siskiyou Poker Flat 1524 Comment
  RSA184628  Juncus ensifolius Clare B. Hardham 1965-8-20 13022 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  HSC39871  Juncus exiguus J. O. Sawyer 1969-7-10 1213 Siskiyou N of Sugar Creek along FS Rd. 41N14 1372 Comment
  UC1021826  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou ca 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing, e side Mount Shasta); Mount Shasta, Cold Creek Comment
  UC1523845  Juncus howellii W. J. Ferlatte Jul 23 1986-Aug 4 1986 Siskiyou ca 1 mi n Trinity Co. line (Parks Creek Rd, on divide between Eddy Creek and Parks Creek) 2011 Comment
  CAS-BOT-BC127621  Juncus mertensianus Robert F. Thorne; Fred Oettinger 1969-8-10 38954 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta, Panther Creek Meadows. 2194 Comment
  LA20046  Juncus mertensianus F. J. Hermann; 1939-8-8 13818 Siskiyou Mount Shasta, around the upper Horse Camp Springs 2514 Comment
  HSC39808  Juncus nevadensis J. O. Sawyer 1969-8-4 1898 Siskiyou Above S Sugar Lake 2043 Comment
  HSC78392  Juncus nevadensis var. nevadensis L. P. Janeway 1983-9-11 685 Siskiyou Poker Flat 1524 Comment
  HSC22106  Juncus orthophyllus J. O. Sawyer 1969-7-26 1577 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  HSC69060  Juncus orthophyllus Maralyn A. Renner 1980-8-6 2322 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC81135  Juniperus communis W. B. C. 1938-8-22 11599 Siskiyou South [Slope] slope of Diller Canyon, on the north slopes of Shastina and Shasta 2743 Comment
  CAS-BOT-BC81226  Juniperus occidentalis Alice Eastwood 1922-10-23 11558 Siskiyou Yreka Comment
  UC637102  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou 6 mi n Yreka (above creek); Shasta Creek Comment
  CHSC93548  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 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
  POM21780  Juniperus occidentalis var. occidentalis Alice Eastwood 1922-10-23 11554 Siskiyou Yreka. Comment
  POM316064  Juniperus occidentalis var. occidentalis Patricia Wilder 1965-9-29 4192 Siskiyou Lava Beds National Monument at campground 1372 Comment
  RSA649266  Juniperus occidentalis var. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 miles NE of junction with SR 3 along Gazelle - Callahan Road Comment
  HSC69360  Kalmia polifolia Maralyn A. Renner 1980-8-19 2488 Siskiyou S side of Caribou Lake 2104 Comment
  RSA238883  Kelloggia galioides Frederick W. Oettinger 1968-8-10 464 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1936 Comment
  SD76172  Kelloggia galioides Helen V. Witham 1969-10-6 558 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  UC455874  Kelloggia galioides I. J. Condit 1911-7-5 Siskiyou Mt. Bradley; Shasta Retreat 1524 Comment
  SD64363  Kochia scoparia Darley F. Howe 1966-8-27 4308 Siskiyou 3.2 miles north of Tule Lake. 1310 Comment
  HSC41075  Kyhosia bolanderi J. O. Sawyer 1969-9-11 2017 Siskiyou Behind Sugar Lake 2073 Comment
  UC91991  Lactuca canadensis Brandegee Jul 1889 Siskiyou Sissons Comment
  UC166154  Lactuca serriola Geo. D. Butler 1908-7-28 981 Siskiyou near Yreka (Garden) Comment
  CAS-BOT-BC341700  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou Weed Comment
  CHSC68145  Lagophylla ramosissima L. E. Detling 1959-6-12 8248 Siskiyou Klamath River Valley (Hornbrook). 670 Comment
  CAS-BOT-BC341706  Lagophylla ramosissima Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2 1/2 miles southeast of Dorris Comment
  CHSC91340  Lagophylla ramosissima subsp. 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
  UCD77792  Lapsana communis Robert E. Preston 2000-8-17 1435 Siskiyou McCloud River, along Pine Tree Hollow, ca. 0.5 mi s of Lower Falls, T39N R2W se 1/4 Section 12 975 Comment
  SEINET5327268  Lathyrus jepsonii var. californicus R. McKee 1915-6-29 s.n. Siskiyou Dunsmuir Comment
  JEPS55346  Lathyrus nevadensis var. nevadensis W. L. Jepson 1907-7-6 2853 Siskiyou near Marble Mt.; Cudahy Valley Comment
  RSA406676  Lathyrus polyphyllus M. B. Dunkle 1944-6-25 9018 Siskiyou Siskiyou National Park. Comment
  CAS-BOT-BC274357  Leersia oryzoides Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  HSC64118  Lepidium campestre J. P. Smith 1973-5-5 6571 Siskiyou Etna 793 Comment
  RSA240050  Lepidium campestre Frederick W. Oettinger, R. F. Thorne 1969-8-5 1214 Siskiyou Young s Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1463 Comment
  UCD115479  Lepidium densiflorum R. Tofsrud Date unknown s.n. Siskiyou location unknown. Comment
  JEPS53595  Lepidium densiflorum var. densiflorum Geo. D. Butler 1908-6-25 130 Siskiyou near Yreka (Butler's Ranch) Comment
  CAS-BOT-BC88929  Lepidium densiflorum var. densiflorum 1912-7-1 s.n. Siskiyou Yreka. Comment
  CHSC91629  Lepidium perfoliatum G. F. Hrusa 2001-6-5 15841 Siskiyou Shasta Valley. Road pullout at northbound exit from I-5 at Louie Rd. 914 Comment
  CAS-BOT-BC12835  Lepidium perfoliatum A. A. Heller 1928-6-9 14609 Siskiyou Near Gazelle. In the Shasta Valley, a treeless region first noticed here in 1925. Comment
  CAS-BOT-BC60144  Lepidium virginicum var. menziesii R. E. Frenkel 1964-10-2 877 Siskiyou On Everitt Memorial Highway near McBride Springs, near Mount Shasta. 1493 Comment
  POM364701  Leptosiphon bolanderi Christopher Davidson 1975-6-5 2661 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  POM43381  Leptosiphon bolanderi Geo D. Butler 1910-4-14 1172 Siskiyou Dry hills, Yreka. Comment
  POM74194  Leptosiphon filipes Edward Palmer 1892-7-13 s.n. Siskiyou Mt. Shasta and vicinity. Comment
  JEPS6664  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain 914 Comment
  UC375302  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-25 588 Siskiyou Cherry Creek Comment
  CDA14217  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Intersection of Hwy 3 & Callahan/Gazelle Rd., Comment
  CAS-BOT-BC341894  Lessingia nemaclada J. O. Sawyer, Jr.; James Payne Smith, Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch Comment
  HSC70459  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1976-9-5 8978 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  SDSU4719  Lessingia nemaclada D. F. Howe 1962-8-5 3395 Siskiyou 12 miles east of Happy Camp on #96. 518 Comment
  CHSC4282  Leucothoe davisiae D. Parker 1965-7-24 894 Siskiyou At edge of Horseshoe Lake, Salmon mt. 1859 Comment
  UC1190122  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  LA86527  Lewisia cotyledon John M. Tucker; 1963-7-7 3713 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UCD101583  Lewisia cotyledon Sandra L. Holloway; J. M. Tucker, L. K. Mann 1963-7-9 74 Siskiyou near eastern base of Marble Mountain, Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC444041  Lewisia cotyledon var. cotyledon Marion Ownbey; Ruth P. Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout Comment
  CAS-BOT-BC444056  Lewisia cotyledon var. cotyledon Doris K. Kildale 1929-7-20 8581 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  UC630395  Lewisia cotyledon var. cotyledon Annetta Carter 1939-8-21 1466 Siskiyou 12 mi sw Etna (above se end of Taylor Lake); Salmon Mountains 2164 Comment
  UC852030  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  UC922366  Lewisia cotyledon var. cotyledon Annie M. Alexander and Louise Kellogg 1949-7-20 5816 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC444050  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  UC164246  Lewisia leeana Geo. D. Butler 1910-8-8 1687 Siskiyou Shackleford Creek 1828 Comment
  CAS-BOT-BC444078  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Upper meadows of Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CAS-BOT-BC444085  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  UCD101615  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake. 1767 Comment
  CAS-BOT-BC444193  Lewisia nevadensis G. J. Muth 1969-8-8 1294 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC78377  Lewisia nevadensis L. P. Janeway 1983-7-17 416 Siskiyou Poker Flat, W portion of meadow 1524 Comment
  CAS-BOT-BC444425  Lewisia rediviva A. M. Vollmer; L. Beane 1951-5-31 18 Siskiyou Scott Mountain Comment
  UC796570  Lewisia rediviva Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11715 Siskiyou Schoolhouse Hill Plowman's Valley (Noyes Valley), e. fork of Scott River Comment
  CAS-BOT-BC444577  Lewisia triphylla C. L. Hitchcock; J. S. Martin 1939-7-9 5337 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  UC7822  Lewisia triphylla Milo S. Baker 1893-8-5 501 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC444580  Lewisia triphylla Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  RSA238299  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou N of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA601895  Lewisia triphylla L. C. Wheeler 1935-7-23 3686 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  UC246736  Leymus cinereus H. E. Brown Jul 15 1897-Jul 31 1897 504 Siskiyou Mt. Shasta; s side 1524 Comment
  CAS-BOT-BC272170  Leymus triticoides L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  JEPS83836  Ligusticum grayi Wayne Roderick July 1976 Siskiyou vicinity Cook & Green Pass (near Horse Tail Falls); Siskiyou Mts. 1463 Comment
  CAS-BOT-BC231938  Liliaceae W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klink's meadow Comment
  HSC81563  Lilium kelleyanum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6200 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  CAS-BOT-BC509369  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  SJSU6073  Lilium kelleyanum R. W. Trivelpiece 1971-7-15 55 Siskiyou by Bear Creek c. 2 mi S of Sawyers Bar on N Fork Salmon River, Salmon River Mts 1524 Comment
  UC705659  Lilium pardalinum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge; Marble Mountain Comment
  JEPS84242  Lilium pardalinum subsp. wigginsii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6337 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 air mi from Red Butte) 1730 Comment
  CAS-BOT-BC133021  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-2 5367 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC133096  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC133090  Lilium washingtonianum subsp. washingtonianum Albert Vollmer 1949-7-5 10 -A Siskiyou Base of Mount Shasta Comment
  UC537990  Linanthus ciliatus Louis C. Wheeler 1934-6-11 2688 Siskiyou North Hungry Creek Siskiyou Mts. 1219 Comment
  JEPS58437  Linanthus harknessii W. L. Jepson 1940-7-3 20115 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC602588  Linanthus harknessii unknown 1937-8-6 9191 Siskiyou Mt. Shasta 1524 Comment
  CAS-BOT-BC240386  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  SBBG69501  Linnaea borealis var. longiflora J. G. Lemmon 1879-7-4 Siskiyou near Shasta Comment
  SEINET13954119 Image available Lithocarpus densiflorus A. A. Heller 1915-1 12248 Siskiyou Wagon creek at foot of Mt. Eddy 1128 Comment
  CAS-BOT-BC36009  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  CAS-BOT-BC36537  Lithocarpus densiflorus var. echinoides W. R. Dudley 1905-8-4 s.n. Siskiyou South spur of Mt. Eddy Comment
  UC1076022  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  CAS-BOT-BC435473  Lithophragma glabrum Ira L. Wiggins 1959-5-28 12389 Siskiyou .3 mi. W of Carmen Lake 1706 Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC60783  Lithophragma heterophyllum Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC325943  Lithospermum californicum A. M. Vollmer; L. Beane 1951-6-2 81 Siskiyou Happy Camp, Klamath River Highway Comment
  POM265895  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  CAS-BOT-BC269146  Lolium perenne Geo. D. Butler 1910-6-15 1563 Siskiyou Near Yreka Comment
  JEPS89920  Lomatium bicolor var. leptocarpum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9015 Siskiyou Upper Modoc Plateau, Egg lake 1298 Comment
  JEPS16108  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  SEINET7073519  Lomatium congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  UC165419  Lomatium dissectum var. multifidum Geo. D. Butler 1910-5-7 1303 Siskiyou hill near Yreka Comment
  HSC82556  Lomatium engelmannii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4712 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC211136  Lomatium engelmannii A. A. Heller 1922-7-3 13676 Siskiyou West of Wagon Creek 2286 Comment
  HSC22244  Lomatium macrocarpum J. O. Sawyer 1969-7-24 1513 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC43828  Lomatium macrocarpum Maralyn O'Meara 1974-5-27 484 Siskiyou Along FS Rd. 47N03 1646 Comment
  JEPS107409  Lomatium macrocarpum Lowell Ahart, John Dittes 2005-6-9 12032 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS84043  Lomatium macrocarpum L. R. Heckard with J. Hickman et al. 1986-7-17 6454 Siskiyou ca. 5 mi. n. town of Seiad Valley (ridge e. of Kangaroo Peak, s. of Lily Pad Lake) 1900 Comment
  OBI81750  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou Montague Rd. 5 miles west of Mt. Hebron town Comment
  RSA237416  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 987 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC48969  Lomatium martindalei M. A. Baker 1979-5-17 727 Siskiyou S facing hillside near road to Bald Mtn. trail off FS 15N01 Comment
  UC165962  Lomatium nudicaule Geo. D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  POM82359  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou Yreka Comment
  CAS-BOT-BC217790  Lomatium peckianum Lewis S. Rose 1934-4-20 34234 Siskiyou 4 mi. N. of Weed 1066 Comment
  JEPS17005  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka hills Comment
  JEPS17562  Lomatium utriculatum M. K. Curran July, 1887 Siskiyou Edgewood Comment
  POM78310  Lomatium vaginatum Geo. D. Butler 1910-4-21 1207 Siskiyou Oro Fino Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  UC1408787  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  CAS-BOT-BC240850  Lonicera interrupta Alice Eastwood 1912-7-28 1257 Siskiyou Hornbrook Comment
  UC28530  Lonicera interrupta Miss Edmonds July 1890 Siskiyou Comment
  CDA15534  Lotus crassifolius G. F. Hrusa 1998-7-5 14702 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  SEINET3131480  Lotus crassifolius var. crassifolius G. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  UC164092  Lotus crassifolius var. crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  POM27062  Lotus douglasii Geo. D. Butler 1910-5-31 1441 Siskiyou Near Yreka Comment
  RSA47632  Lotus douglasii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11788 Siskiyou Scott Mountain Road south of Callahan. Comment
  UC375404  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest foothills Goosenest Comment
  UC161561  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou near Yreka Comment
  CDA27281  Lotus nevadensis var. nevadensis T. C. Fuller 1960-6-29 4642 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  RSA240071  Lotus unifoliolatus Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1215 Siskiyou Abbotts upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  CAS-BOT-BC140202  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC26912  Luetkea pectinata J. P. Smith 1971-9-16 4764 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC64941  Luetkea pectinata D. L. Goforth 1979-7-19 265 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, upper lake area 2104 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
  SEINET5766232 Image available Lupinus E. B. Copeland 1903-1 3887 Siskiyou Sisson [Mount Shasta] Comment
  RSA119493  Lupinus C. P. Smith 1947-5-13 47275 Siskiyou 6.9 miles east of Weed. Highway 97. Comment
  UCD105849  Lupinus albicaulis Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat. 1536 Comment
  SEINET10452745 Image available Lupinus albicaulis subsp. shastensis A. Arthur Heller 1905-6-13 Heller 8024 Siskiyou Near Shasta Springs. 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
  UC1409292  Lupinus albicaulis var. shastensis Frederick W. Oettinger 1969-8-19 1462 Siskiyou near Abbott's Basin ((high lake basins in the vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  RSA0003354  Lupinus albifrons Geo D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  CAS-BOT-BC195956  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-16 1353 Siskiyou Yreka Comment
  SEINET10484557  Lupinus albifrons var. flumineus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20643 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  HSC70489  Lupinus andersonii J. P. Smith 1973-5-5 6515 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC71624  Lupinus bicolor J. P. Smith 1973-5-5 6570 Siskiyou Etna 793 Comment
  HSC63261  Lupinus breweri M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, SE of Tickner peak 2200 Comment
  JEPS74515  Lupinus croceus W. J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine Trinity Alps, Yellow Rose Mine 1981 Comment
  RSA249715  Lupinus croceus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air mi. SW of Weed, n ear Kangaroo Lake Campground. Comment
  UC157009  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  SEINET10485428  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47274 Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  HSC27342  Lupinus lapidicola J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5703 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS87961  Lupinus lapidicola Barbara Ertter 1990-7-14 9325 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1950 Comment
  NY15921  Lupinus lapidicola A. A. Heller 1920-7-9 13422 Siskiyou Near the little lake above the head of Wagon creek, Mt. Eddy....in the Hudsonian zone 2590.8 Comment
  SD88546  Lupinus lapidicola Darley F. Howe 1972-7-4 4869 Siskiyou Sanger Pass Road, stoney hilltop south of marker for Del Norte-Siskiyou county line on the road to Youngs Valley Comment
  HSC2367  Lupinus latifolius William J. Ferlatte 1966-8-19 444 Siskiyou Head of Kidd Creek 2134 Comment
  HSC40978  Lupinus latifolius subsp. viridifolius J. O. Sawyer 1970-7-3 2311 Siskiyou W of Camp 3. Plot 320. Comment
  CAS-BOT-BC7547  Lupinus latifolius var. viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  UCD108213  Lupinus latifolius var. viridifolius A. A. Heller 1914-8-25 11709 Siskiyou Deetz Station near Black Butte. 1158 Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UC598570  Lupinus lepidus var. sellulus C. Hart Merriam 1898-9-30 Siskiyou Mt. Shasta Comment
  UC796433  Lupinus leucophyllus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11824 Siskiyou Lower Plowman's [Noyes] Valley e Fork of Scott River (e Fork of Scott River); , Lower Plowman's [Noyes] Valley 1127 Comment
  UC82247  Lupinus luteolus Dr. E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  UC70371  Lupinus microcarpus var. densiflorus Milo S. Baker 1898-4-20 Siskiyou Taylor Mt. Comment
  UCD109364  Lupinus polyphyllus A. A. Heller 1920-7-6 13415 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CDA27572  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  SEINET10490872  Lupinus sellulus var. sellulus Joseph W. Congdon 1900-8-15 Congdon s.n. Siskiyou Forks castle road. Comment
  CAS-BOT-BC540708  Luzula comosa var. laxa Dana York 2012-7-21 3140 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  JEPS67159  Luzula comosa var. laxa Geo. D. Butler 1910-4-19 1197 Siskiyou Near Yreka Comment
  UC1265318  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou along ridge English Peak trail (High Lake Basins in the vicinity of English Peak, Salmon Mountains, western Siskiyou County, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  HSC61901  Luzula parviflora Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC68436  Luzula parviflora Maralyn A. Renner 1980-7-5 1531 Siskiyou Doe Flat 1220 Comment
  CDA16167  Lycium barbarum G. F. Hrusa, T. D. Wilfred 1999-5-31 15065 Siskiyou Klamath Ranges; Along Klamath River on E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  CAS-BOT-BC7469  Madia citriodora Edward Lee Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC343999  Madia elegans Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  HSC40203  Madia elegans J. P. Smith 1976-5-5 8680 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  JEPS40344  Madia elegans Geo. D. Butler 1909-8-17 450 Siskiyou along creek near Yreka Comment
  UC61681  Madia elegans Geo. B. Grant Sept, 1902 5165 Siskiyou Sisson Mount Shasta 914 Comment
  CAS-BOT-BC344547  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CHSC71473  Madia exigua Vernon H. Oswald; Lowell Ahart 1998-7-12 9355 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  JEPS94784  Madia exigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9355 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  CAS-BOT-BC344543  Madia exigua John Thomas Howell 1980-5-20 53561 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 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
  CHSC86673  Madia gracilis Jenny Marr 1993-7-1 56 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC334707  Madia gracilis G. R. Kleeberger 1880-7-9 s.n. Siskiyou Mt. Bally 1524 Comment
  POM31723  Madia gracilis subsp. gracilis Edward Palmer 1892-7-13 2557 -a Siskiyou Mt. Shasta and vicinity. Comment
  RSA12612  Mahonia aquifolium C. B. Wolf 1934-7-5 5973 Siskiyou 7 mi. from Oak Knoll R. S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1372 Comment
  RSA96733  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-13 20284 Siskiyou Seiad Creek, 6 mi. n.e. from Hwy 96 at Seiad Valley. 640 Comment
  POM97711  Mahonia nervosa Geo. D. Butler 1910-5-5 1287 .5 Siskiyou Humbug Mountain. Comment
  HSC18981  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-8-4 1923 Siskiyou South Sugar Creek 2043 Comment
  RSA264977  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mountain, near Seiad Valley 1756 Comment
  CAS-BOT-BC67848  Marsilea vestita Louis C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains - Shasta River 2 mi. below Yreka Creek - Mt. Diablo Mer. 670 Comment
  POM211273  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains; Shasta River 2 miles below Yreka Creek. Mt. Diablo Meridian 671 Comment
  UC1216707  Medicago sativa W. B. and V. G. Cooke 1962-8-19 33548 Siskiyou Memorial Hwy Mt. Shasta (in new pine plantation clearing) Comment
  POM114772  Melica aristata Geo D. Butler 1909-7-15 811 Siskiyou Russian Creek. 1829 Comment
  JEPS83999  Melica bulbosa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6382 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  POM211190  Mentha canadensis Louis C. Wheeler 1934-9-16 3269 Siskiyou Walker, Klamath River 518 Comment
  CDA34590  Mentzelia laevicaulis M. Beyers, G. F. Hrusa 2010-8-18 707 Siskiyou Highway 3; +/- 5 or 6 miles south of Callahan just N of where Pacific Crest Trail intersects hwy.. 1628 Comment
  CHSC26191  Mentzelia laevicaulis J. P. Kroessig 1977-8-6 59 Siskiyou Ca 3 km sw of Mt Shasta City. 976 Comment
  HSC15837  Mentzelia laevicaulis D. M. Thomson 1965-8-6 169 Siskiyou Lava Beds National Monument, S Boundry Rd., by Crecent Butte. Comment
  CAS-BOT-BC428981  Micranthes ferruginea W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  UCD102913  Micranthes oregana J. M. Tucker 1974-7-26 4292 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CAS-BOT-BC429255  Micranthes oregana W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows Comment
  LA208999  Micranthes tolmiei Wm. Bridge Cooke; 1939-7-13 Siskiyou Mount Shasta, N side of Red Butte 2499 Comment
  CAS-BOT-BC432854  Micranthes tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lakes Comment
  RSA393763  Micropus californicus var. californicus L. C. Wheeler 1934-6-2 2615 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  JEPS13221  Microseris laciniata subsp. laciniata W. L. Jepson 1940-7-3 20103 Siskiyou large meadow 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC163825  Microseris laciniata subsp. laciniata Geo. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  POM35782  Microseris laciniata subsp. laciniata Geo D. Butler 1909-6-13 957 Siskiyou Oro Fino Meadows Comment
  UC1185945  Microseris laciniata subsp. laciniata L. E. Detling 1950-6-11 6635 Siskiyou Siskiyou Pass 1127 Comment
  CAS-BOT-BC349367  Microseris nutans H. A. Thomas; J. H. Thomas 1954-7-25 4526 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  POM229882  Microseris nutans L. C. Wheeler 1935-6-27 3607 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  POM35777  Microseris nutans Geo D. Butler 1909-6-22 958 Siskiyou Goosenest Foothills 1524 Comment
  RSA120818  Microsteris gracilis subsp. gracilis G. D. Barbe 1955-7-6 128 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  UC905631  Mimulus cardinalis William M. Hiesey 1947-8-23 555 Siskiyou 1 mi w Beaver Creek (along Highway 96, 2 mi n of Walker); Klamath River Comment
  HSC61895  Mimulus guttatus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA211435  Mimulus guttatus William J. Ferlatte 1967-8-21 1075 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. 2134 Comment
  RSA237548  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou North side of Horse's Hole near Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1409387  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou near Horse Range Lake (n side of Horse's Hole); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC637085  Mimulus inodorus Edward Lee 1934-8-12 1042 Siskiyou tributary Klamath River (mouth of creek, e end of valley); Seiad Valley, Walker Creek 426 Comment
  POM146613  Mimulus layneae A. A. Heller 1925-6-25 13895 Siskiyou Along the Pacific Highway 3 miles north of the town of Mt. Shasta. Comment
  UC726059  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 8 mi n Weed (on U. S. Highway #97) Comment
  UC61040  Mimulus moniliformis W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  UCD122803  Mimulus moschatus J. M. Tucker; D. V. Hemphill 1974-7-27 4305 Siskiyou at edge of Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC796452  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11717 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowmans Valley (Noyes Valley) Comment
  HSC99276  Mimulus nanus var. nanus D. M. Thompson 1988-6-5 933 Siskiyou 10 mi. NE of Weed along Hwy. 97, NW side of road 1149 Comment
  JEPS22411  Mimulus pulsiferae Francia Chisaki, Gene B. Newcomb 1958-6-21 1150 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  CAS-BOT-BC388884  Minuartia douglasii Louis C. Wheeler 1934-6-4 2640 Siskiyou Klamath National Forest. Nigger Gulch 1066 Comment
  HSC68023  Minuartia douglasii J. P. Smith, Steve Selva 1970-6-16 4010 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CAS-BOT-BC174731  Minuartia nuttallii Doris K. Kildale 1929-8-24 8817 Siskiyou Preston Peak 2225 Comment
  HSC77109  Minuartia nuttallii subsp. gregaria K. T. Stillman 1976-6-26 112 Siskiyou Trail S of Paradise Lake Comment
  CAS-BOT-BC181114  Minuartia nuttallii var. gregaria Peter H. Raven 1956-9-4 10407 Siskiyou S. side of Mt. Eddy 2682 Comment
  SBBG1990  Minuartia nuttallii var. gregaria H. and M. Dearing 1939-6-2 3525 Siskiyou near Fort Jones 609 Comment
  JEPS61325  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  UC165271  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  HSC19  Mitella trifida William J. Ferlatte 1966-6-22 93 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  JEPS82452  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Marble Valley Marble Mt. Wilderness Area (trail to Lookout) 1798 Comment
  CDA30920  Mollugo verticillata M. Beyers, G. F. Hrusa 2010-8-18 696 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  HSC22276  Monardella glauca J. O. Sawyer 1969-7-3 1053 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  UC1312964  Monardella odoratissima subsp. glauca J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  UC61653  Monardella odoratissima subsp. glauca Geo. B. Grant September 1902 5131 Siskiyou Horse Camp Mount Shasta 2438 Comment
  RSA184655  Monardella odoratissima subsp. glauca Clare B. Hardham 1965-8-20 13009 Siskiyou Marble Mtns. near Cudahy Lakes 1524 Comment
  HSC466  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-3 286 Siskiyou Josephine Lake basin. 1677 Comment
  SBBG25897  Monardella odoratissima subsp. pallida D. Myrick 1966-8-8 1497 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC1483504  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-21 3836 Siskiyou North of FS Road 44N01 near intersection with road to Lava Camp; Klamath National Forest, Medicine Make Quad. 1676 Comment
  RSA183663  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 154 Siskiyou Dry hillside in Marble Valley, Marble Mtns. Comment
  CAS-BOT-BC220385  Monardella purpurea John Thomas Howell 1939-8-4 15040 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC220230  Monardella sheltonii Doris K. Kildale 1929-7-20 8544 Siskiyou Trail up South Fork Indian Creek near Gilmore's Comment
  CAS-BOT-BC220236  Monardella sheltonii Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  CAS-BOT-BC453476  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain, east of Medicine Lake 2133 Comment
  RSA256710  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 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
  UCD86612  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  CAS-BOT-BC275340  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  JEPS45831  Muhlenbergia jonesii Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mountain Comment
  JEPS20036  Myosurus minimus George D. Butler 1909-4-4 551 Siskiyou Block 5, Yreka Yreka Comment
  SBBG243  Myriopteris gracillima H. and M. Dearing 1939-7-1 3790 Siskiyou Salmon Mtn 1828 Comment
  CHSC9485  Nama lobbii J. F. Goodwin 1971-7-3 136 Siskiyou 6.0 mi. south of Mt. Shasta Ski Bowl area. 1737 Comment
  SEINET515857  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  CAS-BOT-BC516028  Narthecium californicum Elizabeth McClintock; Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, SW of Mount Eddy 1828 Comment
  HSC60911  Narthecium californicum Al Hobart 19 Jul [year missing] Siskiyou Black Butte Comment
  HSC62452  Navarretia capillaris Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley. 1524 Comment
  CHSC57438  Navarretia intertexta L. P. Janeway 1984-6-21 862 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. Vernal pond on back edge of flat. 594 Comment
  UC101970  Navarretia intertexta H. E. Brown Jun 11 1897-Jun 16 1897 301 Siskiyou n side Mt. Shasta 1524 Comment
  POM73769  Nemophila pedunculata Geo. D. Butler 1910-5-7 1302 Siskiyou Fields near Yreka. Comment
  JEPS12282  Nicotiana attenuata Geo. D. Butler 1908-6-28 17 Siskiyou Oro Fino 762 Comment
  UC164455  Nicotiana attenuata Geo. D. Butler 1910-7-1 1618 Siskiyou near Yreka Comment
  CHSC93558  Nitrophila occidentalis Lowell Ahart; John Dittes 2005-6-9 12005 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  CAS-BOT-BC60576  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 1266 Siskiyou North slope Scott Mountain. 1524 Comment
  CDA18414  Noccaea fendleri subsp. siskiyouense G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2653 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  CHSC402  Nothocalais alpestris V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  UC1299298  Nothocalais alpestris Freed W. Hoffman 1950-7-13 3557 Siskiyou Baldy High Peak Comment
  JEPS105141  Nothochelone nemorosa Dean W. Taylor 1993-7-30 13990 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC164352  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou Marble Mountain, Whiskey Camp Whiskey Camp; Marble Mountain, Whiskey Camp Comment
  RSA184654  Nothochelone nemorosa Clare B. Hardham 1965-8-20 1305 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  HSC27594  Notholithocarpus densiflorus Carl W. Mize 1972-6-21 67 Siskiyou Along trail 335 Comment
  POM108009  Olsynium douglasii Geo D. Butler 1910-3-11 1123 Siskiyou Yreka Hills. Comment
  JEPS48972  Olsynium douglasii var. douglasii J. W. Kisling 1910-1 Siskiyou 2 mi nw Weed; Edgewood Comment
  UC1608317  Oreostemma alpigenum var. andersonii J. Kierstead 1990-7-18 90 -103 Siskiyou Gumboot Creek 100 yd s Forest Service Rd 40N26 (s side of mt.); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist., Mt 1676 Comment
  JEPS20246  Orobanche uniflora subsp. occidentalis W. R. Ernst 1958-4-7 242 Siskiyou Above the Shasta River Bridge #2-13, along Highway 99, 2 miles south of the Klamath River Road. Comment
  JEPS82433  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Valley, by waterfall, Marble Mt. Wilderness Area 1828 Comment
  UC630384  Orthilia secunda Annetta Carter 1939-8-21 1469 Siskiyou Canadian Zone above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164 Comment
  CAS-BOT-BC458078  Orthilia secunda Milo S. Baker 1926-8-21 307 -26 Siskiyou Near Sulphur Springs, 9.5 miles from Mineral 2072 Comment
  CAS-BOT-BC458085  Orthilia secunda Doris K. Kildale 1928-7-4 5477 Siskiyou 3 miles W of Summit of divide between Sawyers Bar and Etna Mills Comment
  UCSB21963  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mts. south of Calahan Comment
  POM43117  Orthocarpus lacerus Geo. D. Butler 1910-5-26 1407 Siskiyou Yreka. Comment
  HSC69331  Osmorhiza berteroi John S. Palmer 1980-8-13 759 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  RSA459031  Osmorhiza berteroi L. C. Wheeler 1934-7-6 2885 Siskiyou Siskiyou Mountains, Hungry Creek 1098 Comment
  HSC69011  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 2032 Siskiyou Lily Pad Lake 1768 Comment
  HSC76995  Osmorhiza occidentalis K. T. Stillman 1976-8-7 184 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1400369  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e bank, trail side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  RSA604465  Oxalis trilliifolia Louis C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  HSC92939  Oxyria digyna Jennifer Whipple 1977-7-20 1995 Siskiyou N slopes of Mount Eddy 2500 Comment
  UCSB16543  Ozomelis diversifolia Breedlove, Dennis 1962-6-11 Siskiyou Canyon Creek; about 20 miles west of Fort Jones, Marble Mountains 914 Comment
  CAS-BOT-BC316747  Packera cana Elmer Ivan Applegate 9351 Siskiyou Near and south of Indian Well, Lava Beds National Monument, Comment
  HSC90559  Packera cana Jennifer Whipple 1977-8-4 2153 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  CAS-BOT-BC28783  Paeonia brownii Dorothy Parker 1948-5-18 s.n. Siskiyou West side of Scott Valley 914 Comment
  UCD89493  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest of Mt. Shasta City. Along Castle Lake Road 1036 Comment
  RSA238306  Parnassia californica Frederick W. Oettinger 1967-8-21 310 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  UC455369  Parnassia californica I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork North Fork; Sisson, North Fork Comment
  HSC62026  Parnassia fimbriata Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  CAS-BOT-BC175610  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC175616  Parnassia palustris W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  RSA1654  Paxistima myrsinites C. B. Wolf 1930-10-22 1751 Siskiyou 3 miles S of Mt. Shasta City. Comment
  UC1045278  Paxistima myrsinites W. Bridge Cooke 1940-6-6 15035 Siskiyou along Castle Lake Rd. Castle Lake Rd. Comment
  JEPS128456  Pectiantia pentandra Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -057 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC266649  Pedicularis bracteosa var. flavida Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mountains Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC29253  Pedicularis bracteosa var. flavida Frederick W. Oettinger, R. F. Thorne 1969-8-7 1269 Siskiyou Marble Mtn. Wilderness Area, SE of English Lake 2012 Comment
  UC1483476  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail about .8 mi e of Cook and Green Pass; Klamath National Forest 1706 Comment
  UC1409426  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou near English Lake (High Lake Basins in vicinity of English Peak, edge of base camp meadows); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UCR37853  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  SEINET10702295  Pedicularis racemosa var. racemosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  HSC67793  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-20 3746 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UCSB51237  Pellaea brachyptera Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  CAS-BOT-BC67684  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  UC922431  Pellaea breweri Annie M. Alexander and Louise Kellogg 1949-7-24 5861 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts 1920 Comment
  JEPS7208  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek 1676 Comment
  SDSU10914  Penstemon anguineus D. F. Howe 1965-8-8 4125 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  SFV3425  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1677 Comment
  CHSC66546  Penstemon cinicola Vernon H. Oswald 1996-7-12 8008 Siskiyou Large meadow at the junction of the roads to Schonchin Spring and Little Mt. Hoffman at the W end of Medicine Lake. On the n side of the road to Little Mt. Hoffman. 2048 Comment
  CHSC69094  Penstemon cinicola Vernon Oswald; Lowell Ahart 1997-7-28 8786 Siskiyou Southwest of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  UC1629928 Image available Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  SEINET3160254  Penstemon confertus G. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek upper Camphill Lake 1372 Comment
  POM234400  Penstemon davidsonii subsp. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC265374  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  JEPS13635  Penstemon davidsonii var. davidsonii Peter Kamb 1949-8-25 1494 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 3169 Comment
  NY590177  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3200.4 Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  SFV17485  Penstemon davidsonii var. davidsonii P. Wilson 1998-7-21 3543 Siskiyou Mount Shasta. Sand Flat. 2073 Comment
  CDA41876  Penstemon deustus T. C. Fuller 1962-6-11 8953 Siskiyou East side of Highway 99 to Weed, 0.7 mile north of Black Butte Summit. 0 Comment
  RSA412528  Penstemon deustus M. B. Dunkle 1945-7-6 9207 Siskiyou Black Marble Mtn. Klamath National Forest. Marble Mtns. 2195 Comment
  CHSC69095  Penstemon deustus var. pedicellatus Vernon Oswald 1997-7-28 8775 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  UC524279  Penstemon deustus var. pedicellatus Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold Modoc Lava Beds, Captain Jack's Stronghold Comment
  SFV17484  Penstemon gracilentus P. Wilson 1998-7-21 3542 dup. Siskiyou Mount Shasta. Sand Flat. 2073 Comment
  UC1483505  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3830 Siskiyou near intersection with road to Lava Camp n F.S. Road 44N01; Klamath National Forest, Medicine Lake Quad. 1676 Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET11053374  Penstemon laetus subsp. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4510 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  SEINET11262163  Penstemon laetus var. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4511 Siskiyou Cascade Range, Mt Shasta. On lava flow between Mt Shasta & Whaleback, along Andesite - Military Pass Rd ca 1 mi SE of jct US 97, ca 14.4 mi NE of jct US 97 & I-5 Bus. Loop in Weed.; 0 1433 Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  SEINET10547609  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 Holmgren 2678 Siskiyou Us 97, shasta valley, 4 mi n of weed, t42n, r4w, sec 19, in scrub in sandy soil. 1158 Comment
  HSC76744  Penstemon newberryi subsp. berryi K. T. Stillman 1976-7-15 263 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC29293  Penstemon newberryi subsp. berryi Frederick W. Oettinger, R. F. Thorne 1969-8-5 1219 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo View Gap along English Lake trail Comment
  HSC91141  Penstemon newberryi subsp. berryi Jennifer Whipple 1976-7-7 1327 Siskiyou Dale Creek drainage on N face of Mt. Eddy 2378 Comment
  RSA150583  Penstemon newberryi subsp. newberryi Lee W. Lenz 1961-6-21 24354 Siskiyou Rd to Panther Flat, Mt Shasta. 1585 Comment
  HSC69343  Penstemon newberryi var. berryi Maralyn A. Renner 1980-9-9 2762 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS84079  Penstemon newberryi var. berryi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 a Siskiyou 1/2 mi SE of Red Butte (SW of Cook and Green Pass; 7 mi NNE of Seiad Valley) 1730 Comment
  UC1586910  Penstemon newberryi var. newberryi Juha Pykala and D. H. Norris 1987-6-26 1941 Siskiyou Tickner HOle Marble Mountain Wilderness Area, Tickner Hole 1767 Comment
  UC690225  Penstemon parvulus Isabelle C. Kimber 1934-6-9 31 Siskiyou just above Ney Creek confluence with Sacramento River (Steelbridge Camp); Sacramento River 731 Comment
  HSC29301  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill near Hancock Lake 2058 Comment
  UC1408794  Penstemon procerus Robert F. Thorne and Fred Oettinger 1969-8-10 39006 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest, Mt. Shasta (on dry, sunny volcanic slopes above ski-lodge) 2377 Comment
  JEPS74426  Penstemon procerus var. brachyanthus W. J. Ferlatte 1966-7-7 195 Siskiyou Trinity Alps, Caribou Basin Caribou Basin; Trinity Alps, Caribou Basin 1981 Comment
  CAS-BOT-BC94403  Penstemon purpusii R. C. Wenk 2005-7-15 201 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  CAS-BOT-BC6686  Penstemon rydbergii var. varians David Daniels Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  NY661065  Penstemon speciosus W. B. Cooke 1940-6-7 15102 Siskiyou Along the Pacific Highway near Black Butte 4000 Comment
  SEINET13761771 Image available Penstemon speciosus R. R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 Comment
  UC887110  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou along U.S. Highway #97, 5 mi n Weed; n of Weed Comment
  RSA79871  Penstemon speciosus F. W. Peirson 1923-7-19 3841 Siskiyou Near Bray. Comment
  HSC58905  Perideridia gairdneri subsp. gairdneri Butler 1971-8-2 269 Siskiyou Near Youngs Valley 1403 Comment
  JEPS14096  Perideridia oregana Ruby Van Deventer 1938-7-31 295 Siskiyou trail to Twin Valley 2 mi s Poker Flat (Siskiyou-Del Norte Co. line); Siskiyou Mountains 1280 Comment
  HSC169  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-2 233 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC401  Perideridia parishii subsp. latifolia William J. Ferlatte 1967-8-17 946 Siskiyou Yellow Rose Mine 1982 Comment
  CHSC106098  Persicaria hydropiperoides Lowell Ahart; John Dittes 2010-7-30 16933 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC17509  Persicaria lapathifolia C. B. Wolf 1927-8-26 990 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC64423  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-17 4419 Siskiyou Along Klamath River Comment
  CAS-BOT-BC419259  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Klamath National Forest. Lumgrey Creek 670 Comment
  CDA41161  Petunia parviflora J. O. McKinney 1944-1 s.n. Siskiyou Yreka. 0 Comment
  UC673182  Phacelia Lincoln Constance and Reed C. Rollins 1942-5-14 2928 Siskiyou 4 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  JEPS52297  Phacelia dalesiana Wayne Roderick 1963-6-14 Siskiyou meadow just n Scott Mtn. pass (on road from Callahan to Trinity County communities) 1828 Comment
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  CDA12115  Phacelia hastata G. F. Hrusa 1990-4-2 7839 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  JEPS35235  Phacelia hastata L. R. Heckard and R. Bacigalupi, J. Weiler 1961-7-2 1254 Siskiyou about 7 1/2 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 1127 Comment
  UC1471541  Phacelia hastata subsp. compacta C. Hart Merriam 1898-8-3 Siskiyou head of Squaw Creek Mt. Shasta Comment
Read comments
Sep 19 2006
  RSA105312  Phacelia hastata subsp. hastata Milo S. Baker, G. D. Barbe 1955-6-26 13077 Siskiyou Shasta Valley between Weed and Gazelle. 915 Comment
  RSA133985  Phacelia hastata subsp. hastata L. R. Heckard 1956-8-7 830 Siskiyou Near Deer Mt. Lodge (western flank of Deer Mt.). 1433 Comment
  SEINET11263923  Phacelia hastata subsp. hastata Lowell Ahart, Vernon H. Oswald 1994-8-10 6449 Siskiyou Pilgrim Creek Road (FS13) at the railroad crossing 0.9 miles N of Hwy 89, ca 3 air miles ENE of McCloud.; 0 Comment
  JEPS2086  Phacelia heterophylla subsp. virgata Geo. D. Butler 1928-6-28 409 Siskiyou near Yreka; Butler's Ranch Comment
  JEPS23866  Phacelia leonis Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-10 7296 Siskiyou about 4 mi nne of Preston Peak (just e of Del Norte County line, watershed of Indian Creek, Siskiyou Mountains, Twin Valley); Siskiyou Mountains, Twin Valley 1493 Comment
  UC144629  Phacelia linearis A. A. Heller 1905-6-22 8089 Siskiyou Igerna Comment
  HSC2398  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  UCD18940  Phacelia mutabilis A. H. Murphy 1953-7-28 KNF 6 Siskiyou Klamath National Forest, Long Gulch Camp. 1889 Comment
  SEINET2441203  Phacelia pringlei Barbara Ertter, Julie Kierstead; Jim Nelson 1990-7-15 9371 Siskiyou Ca. 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca. 8 airmiles W of Mt Shasta City. 1981 Comment
  RSA50204  Phacelia pringlei E. K. Balls 1949-7-8 13901 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  HSC20256  Philadelphus californicus C. B. Wolf 1927-8-26 1044 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  CHSC75734  Philadelphus lewisii Vernon H. Oswald; Lowell Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy, 9.0 mi west of Gazelle. 914 Comment
  UC69386  Philadelphus lewisii T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA186330  Phleum alpinum Gilbert Muth 1966-10-16 25 Siskiyou Marble Mountains 1793 Comment
  UC188948  Phleum alpinum Milo S. Baker 1898-8-1 488 Siskiyou Medicine Lake Comment
  UC196937  Phleum alpinum Geo. D. Butler 1908-8-7 489 Siskiyou head of West Fork of Woolly Creek Comment
  UC1024789  Phleum pratense Leo Whitney 1934-6-29 2233 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  SDSU3230  Phlox adsurgens D. F. Howe 1972-7-5 4876 Siskiyou 0.6 mile south if Oregon State line on orad to Happy Camp. 1707 Comment
  HSC46003  Phlox diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC4820  Phlox diffusa J. O. Sawyer 1968-7-23 622 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC1124175  Phlox diffusa M. H. Mitchell 1936-5-8 Siskiyou Base of Schonchin Butte Modoc Lava Beds National Monument, Dorris Quad. 1432 Comment
  UC164130  Phlox diffusa Geo. D. Butler 1910-7-8 1688 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC232824  Phlox hirsuta L. E. Smith 1913-4-20 639 Siskiyou Yreka 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
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  POM265887  Phlox speciosa subsp. occidentalis Lincoln Constance, Reed C. Rollins 1942-5-13 2912 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  UC1034578  Phlox speciosa subsp. occidentalis unknown 1955-7-26 266 Siskiyou nw slope Scott Mtn.; Klamath Mountains 1828 Comment
  UC1186128  Phlox speciosa subsp. occidentalis Herbert L. Mason 1929-5-18 5331 Siskiyou s of Yreka Comment
  CAS-BOT-BC60683  Phoenicaulis cheiranthoides Marion Ownbey; Ruth P. Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout. Comment
  RSA431456  Phoenicaulis cheiranthoides L. C. Wheeler 1934-8-9 3078 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. (Mt. Diablo Mer.) 1921 Comment
  CAS-BOT-BC135022  Phoradendron bolleanum L. E. Smith 1914-3-19 s.n. Siskiyou Yerka Comment
  CAS-BOT-BC135340  Phoradendron juniperinum Peter H. Raven 1956-9-2 10470 Siskiyou N Fork of the Sacramento River 1463 Comment
  SEINET3108276  Phyllodoce empetriformis Steve Selva, Roger Jensen 1974-8-23 41 Siskiyou Collected in the environs of Devil's Punchbowl. Comment
  SFV2670  Phyllodoce empetriformis J. Major 1961-7-14 633 Siskiyou Mount Shasta, Panther Meadows Campground. 2271 Comment
  UCD117722  Phyllodoce empetriformis K. F. Mawdsley 1996-7-9 12 a Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. Along Little Duck Lake. 2036 Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  CAS-BOT-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  CAS-BOT-BC140490  Physocarpus Alice Eastwood 1912-9-3 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC78163  Picea breweriana Doris K. Kildale 1928-8-19 6535 Siskiyou summit of divide between English Lake + Hancock Lake - trail to Marble Mts. 2194 Comment
  HSC31991  Picea breweriana Steve Selva, Roger Jensen 1974-8-16 18 Siskiyou Seepy areas along Sugar Lake trail Comment
  JEPS105151  Picea breweriana Dean W. Taylor 1993-7-30 13984 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC813169  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  CAS-BOT-BC73437  Picea engelmannii Dorothy Parker 1962-9-19 s.n. Siskiyou Siskiyou Mountains - Horse Range Creek, Salmon Mountains. 1676 Comment
  UCD134308  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Siskiyou County. 1524 Comment
  CAS-BOT-BC73386  Pinus albicaulis W. R. Dudley 1905-8-4 s.n. Siskiyou Slope, Mt. Eddy. Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  CAS-BOT-BC78330  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River, 3/10 mi. below Walker Creek 426 Comment
  HSC29671  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Marble Mtn. Wilderness Area, near ridge top of 'Rusty Ridge' near where it grades into Frang Peak W of Horse Range Lake, Bulk Collection 52 2012 Comment
  JEPS46916  Pinus attenuata W. L. Jepson 1907-7-11 2889 Siskiyou upper crossing to Quartz Valley; S Fork Smith River Comment
Read comments
Nov 12 2011
  UC1402324  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou Siskiyou National Forest; e slope of ridge Comment
  HSC70593  Pinus balfouriana J. O. Sawyer, R. York 1981-8-21 224 Siskiyou Open ridges from Pacific Crest Trail to peak, Bulk Collection # 224 2324 Comment
  RSA215637  Pinus balfouriana Gilbert Muth 1969-8-10 1355 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  CAS-BOT-BC78410  Pinus balfouriana W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  HSC68674  Pinus contorta Maralyn A. Renner 1980-7-4 1434 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  CAS-BOT-BC78716  Pinus jeffreyi W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  RSA237336  Pinus jeffreyi Frederick W. Oettinger 1968-9-8 775 Siskiyou 0.1 mile north of English Lake. Salmon Mountains. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC73145  Pinus lambertiana Wm. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail. 1524 Comment
  HSC29669  Pinus lambertiana Frederick W. Oettinger 1969-8-24 1538 Siskiyou Marble Mtn. Wilderness Area, 0.1 mi. N of English Lake 1768 Comment
  CAS-BOT-BC78955  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy 1524 Comment
  SD76165  Pinus monticola Helen V. Witham 1969-10-6 555 Siskiyou Scott Mountains, steep west slope above Kangaroo Lake 2100 Comment
  NY61947  Pinus monticola E. B. Copeland 1903-9-8 3806 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
  POM120192  Pinus ponderosa Geo D. Butler 1910-4-24 1237 Siskiyou Quartz Valley Comment
  CHSC86627  Plagiobothrys cognatus Jenny Marr 1993-7-1 10 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC164104  Plagiobothrys nothofulvus Geo. D. Butler 1909-5-2 694 Siskiyou near Yreka Comment
  UC164105  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou near Yreka Comment
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou hills near Yreka Comment
  RSA611015  Plagiobothrys tenellus L. C. Wheeler 1935-5-18 3495 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  HSC30626  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above trail near Young's Cabin on N Fork of Salmon River, Salmon Mts. Comment
  HSC61884  Platanthera dilatata var. leucostachys Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS29999  Platanthera leucostachys Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7985 Siskiyou wet meadow at n end of town town of Mt. Shasta (Sisson) Comment
  UC1045261  Platanthera sparsiflora W. Bridge Cooke 1940-7-7 15277 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UC726466  Platanthera sparsiflora A. A. Heller 1919-6-29 13283 Siskiyou near Wagon Creek Falls Comment
  HSC86550  Platanthera stricta D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar, vicinity of Jawbone Camp 1372 Comment
  JEPS26660  Plectritis congesta Lauramay T. Dempster 1961-7-1 1840 Siskiyou se of White Mountain (just s of Oregon Border) Comment
  UC573575  Plectritis macrocera M. H. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte 1371 Comment
  CAS-BOT-BC261036  Poa Melissa A. Berry 1957-7-7 s.n. Siskiyou China Mt. divide, near Gazelle-Callahan Road 2286 Comment
  HSC34104  Poa bolanderi J. O. Sawyer 1969-7-9 1222 Siskiyou Along trail to Sugar Lake. 1768 Comment
  CAS-BOT-BC254994  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Geo. Bray's Ranch, Yreka Comment
  UCD90663  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Eureka. 800 Comment
  HSC76674  Poa glauca subsp. rupicola K. T. Stillman 1976-7-21 281 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC69043  Poa piperi Maralyn A. Renner 1980-8-7 2349 Siskiyou Klamath National Forest, S of Rattlesnake Meadow. 1799 Comment
  HSC58891  Poa pratensis Marvin Butler 1971-7-21 193 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  HSC65258  Poa pratensis J. P. Smith 1973-5-5 6427 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC92144  Poa pratensis Jennifer Whipple 1976-7-2 1245 Siskiyou Near Durney Lake. 2073 Comment
  CAS-BOT-BC256009  Poa pratensis Doris K. Kildale 1928-7-4 5534 Siskiyou 1 1/2 miles east of summit between Sawyers Bar and Etna Comment
  CAS-BOT-BC255232  Poa pratensis subsp. pratensis L. P. Janeway 1983-8-26 592 Siskiyou Poker Flat, Siskiyou Mountains 1524 Comment
  HSC2386  Poa pringlei William J. Ferlatte 1966-8-4 301 Siskiyou Dorleska summit 2134 Comment
  RSA238332  Poa pringlei Frederick W. Oettinger 1967-8-17 274 Siskiyou On northwest exposure of Crapo Peak Ridge along trial where it crosses the ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UCD91768  Poa pringlei A. H. Murphy 1959-7-21 59 A Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  HSC39850  Poa rhizomata J. P. Smith 1973-5-5 6512 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET10659378  Poa scabrella A. Arthur Heller 1919-6-29 Heller 13402 Siskiyou Near Wagon creek falls, east side of Mt. Eddy in swampy places, the trees Pinus Jeffreyi and P. monticola, the shrubs Salix and Alnus. Comment
  SEINET10954314  Poa scabrella Frank W. Gould 1940-5-15 Gould 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain, in dry soil at edge at wet meadow. Comment
  UCD105959  Poa secunda Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  HSC27327  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5672 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC69703  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1263 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC933398  Polemonium californicum Annie M. Alexander and Louise Kellogg 1948-9-9 5608 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake 1828 Comment
  UC107059  Polemonium carneum Thos. Howell 1889-5-10 1381 Siskiyou Hornbrook Comment
  LA206593  Polemonium pulcherrimum L. Ellison; 1928-11-11 516 Siskiyou Mt Shasta 2743 Comment
  UC609338  Polemonium pulcherrimum subsp. pulcherrimum Eleanor Burks Hart 1938-8-18 935 Siskiyou on Boulder Peak 2529 Comment
  CAS-BOT-BC170334  Polygala cornuta var. cornuta R. E. Frenkel 1964-7-15 689 Siskiyou On Everitt Memorial road near Mount Shast, 1.7 miles north of McCloud River RR crossing. 1290 Comment
  UC450154  Polygala cornuta var. cornuta I. J. Condit 1909-8-23 16 Siskiyou near Sisson; Castle Lake Comment
  UC570807  Polygala cornuta var. cornuta Dorothy Tebbe 1929-7-2 17 Siskiyou Donkey Camp Mount Eddy (roadside) Comment
  JEPS51312  Polygonum aviculare subsp. aviculare W. L. Jepson 1894-7 Siskiyou Sisson Comment
  UC572802  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  UC375154  Polygonum californicum Geo. D. Butler 1908-7-23 192 Siskiyou dry land near Yreka Comment
  UC164033  Polygonum convolvulus Geo. D. Butler 1908-7-17 1068 Siskiyou along creek near Yreka Comment
  JEPS50539  Polygonum davisiae W. L. Jepson 1907-7-5 2843 Siskiyou Marble Mt. Comment
  UC168611  Polygonum davisiae J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  UC1034569  Polygonum davisiae Douglas Barbe 1955-7-26 284 Siskiyou Scott Mt. Klamath Mountains (small pond on n side, below summit) 1981 Comment
  CAS-BOT-BC414589  Polygonum douglasii John Thomas Howell 1939-8-6 15094 A Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA11902  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Hoffman Mtn, Medicine Lake Comment
  JEPS81905  Polygonum douglasii subsp. spergulariiforme Roger Raiche 1982-10-12 20783 Siskiyou near Yreka; Gunsight Peak 1828 Comment
  UC971923  Polygonum douglasii subsp. spergulariiforme Herbert L. Mason 1950-7-15 14044 Siskiyou Scott Creek Scott Valley Comment
  POM211807  Polygonum hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. Mt. Diablo Mer. 671 Comment
  HSC23696  Polygonum minimum J. O. Sawyer 1969-8-4 1877 Siskiyou S of S Sugar Lake 2104 Comment
  RSA237767  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou West rocky bank, Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  CAS-BOT-BC418592  Polygonum minimum Doris K. Kildale 1928-7-4 5538 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  RSA82767  Polygonum newberryi J. M. Tucker 1950-7-23 1940 Siskiyou Panther Meadows, Siskiyou County. alt 7900ft. 2409 Comment
  CHSC88099  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 109 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1409209  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1968-8-11 471 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side creek bed, w Siskiyou Co.) 2042 Comment
  JEPS50594  Polygonum shastense W. L. Jepson 1894-8-4 14784 Siskiyou Horse Camp Mt. Shasta, Snow Line Comment
  UC572794  Polygonum shastense W. Bridge Cooke 1937-7-28 9157 Siskiyou Mt. Shasta 2590 Comment
  UCD77939  Polygonum shastense Robert E. Preston 2001-8-26 1766 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of ne 1/4 Section 23 1975 Comment
  POM103319  Polygonum spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou Dry hill, Yreka Comment
  RSA120859  Polygonum spergulariiforme G. D. Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp, Klamath National Forest along the path to the spring, west side of camp. Comment
  CAS-BOT-BC237390  Polypogon monspeliensis Dorothy Parker 1948-7-28 74 Siskiyou Scott Valley 853 Comment
  HSC69311  Polystichum imbricans Maralyn A. Renner 1980-7-24 1971 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA612747  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  RSA693318  Polystichum imbricans B. C. Templeton 1957-6-22 s.n. Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC76736  Polystichum imbricans subsp. imbricans Edward Lee 1934-8-14 1115 Siskiyou Little Grayback, Siskiyou-Del Norte county line. 1798 Comment
  UC185244  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  UC375479  Polystichum imbricans subsp. imbricans W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mt. Shasta 1676 Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  SBBG19474  Polystichum lemmonii L. L. Kiefer 1963-8-8 744 Siskiyou White Mtn, N of town of Horse Crk, trail from Siskiyou Summit to White Mtn 1524 Comment
  UC1299762  Polystichum lemmonii Freed W. Hoffman 1951-7-16 4045 Siskiyou Packers' Valley North Coast Ranges, Marble Mts., Packers' Valley Comment
  UC812042  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  CAS-BOT-BC72373  Polystichum lemmonii Marck Menke 1999-7-9 67 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  CAS-BOT-BC72394  Polystichum lemmonii Geo. D. Butler 1910-7-1 1756 Siskiyou Shackleford Creek 1371 Comment
  RSA249714  Polystichum lemmonii Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air miles SW of Weed near Kangaroo Lake Campground in rock crevices of open schistose scree area. Comment
  HSC79131  Polystichum lonchitis C. J. Thomas 1983-10-1 87 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  HSC79159  Polystichum lonchitis C. J. Thomas 1983-10-1 90 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  OBI1444  Polystichum lonchitis Lawrence L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, south end 2134 Comment
  RSA576447  Polystichum lonchitis L. C. Wheeler 1934-8-10 3100 Siskiyou Siskiyou Mountains: Dead Cow Creek. 1890 Comment
  UC1877814  Polystichum lonchitis J. C. Game with Jeff Greenhouse, Jim Shevock 2004-7-9 5074 Siskiyou on the side of Gray Rock Lake, above the lake, about five miles NW of Castle Crags 1844 Comment
  CAS-BOT-BC72509  Polystichum scopulinum Peter H. Raven 1956-9-4 10385 Siskiyou ridge S. of Mt. Eddy 2286 Comment
  UC366561  Polystichum scopulinum unknown 1878-7-12 Siskiyou near Shasta (Mt. Eddy) Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC102772  Populus tremuloides E. G. Dudley 1907-8-16 s.n. Siskiyou Peak N. of Jackson Lake Comment
  CAS-BOT-BC102953  Populus trichocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53413 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC102957  Populus trichocarpa Alice Eastwood 1917-9-2 6670 Siskiyou Shasta Springs Comment
  SEINET10460782  Porterella carnosula H. W. Furlong Furlong s.n. Siskiyou Northern California, Summit to Ager; Ager is about 10 mile (airline) south of the Oregon border and about 11 miles (by road) north of Montague Comment
  CDA848  Potamogeton pectinatus P. Zedeker 1964-7-28 Siskiyou Orr Lake, northwest of Bray. 0 Comment
  HSC103183  Potamogeton pusillus Dana York 2011-9-9 3089 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  RSA602928  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek. Comment
  HSC62287  Potentilla breweri Al Hobart 1928-6-18 Siskiyou Youngs Valley Comment
  HSC85  Potentilla breweri William J. Ferlatte 1967-8-23 1096 Siskiyou Head of Kidd Creek 2134 Comment
  SEINET11916232  Potentilla breweri var. expansa H. P. Chandler 1901-1 1697 Siskiyou Ridges & meadows near Marble Mtn 1524 Comment
  UCD113749  Potentilla flabellifolia Dean William Taylor 1972-7-4 1616 Siskiyou Near Little Duck Lake. 1981 Comment
  RSA237848  Potentilla glandulosa subsp. ashlandica Frederick W. Oettinger 1969-7-13 1002 Siskiyou North of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SBBG30526  Potentilla gracilis var. fastigiata D. Myrick 1968-6-25 2021 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC1128235  Potentilla gracilis var. fastigiata L. Whitney 1934-6-27 8 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  UC1409339  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow Salmon Mountains, Marble Mountain Wilderness Area (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.) 1828 Comment
  CAS-BOT-BC540572  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-24 10778 Siskiyou Castle Lake Comment
  CAS-BOT-BC158531  Potentilla millefolia Frank Gould; Kay H. Beach 1940-5-16 644 Siskiyou About 24 miles north of Weed on the road to [Klammath] Klamath Falls Comment
  CHSC71500  Potentilla newberryi Vernon H. Oswald; Lowell Ahart 1998-7-21 9343 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CAS-BOT-BC158209  Prunus emarginata Wm. Bridge Cooke 1938-7-22 11318 Siskiyou Sisson Southern Trail Comment
  HSC18810  Prunus emarginata D. M. Thomson 1965-8-7 171 Siskiyou Lava Beds NM, Cave Loop Rd. by information center Comment
  HSC60166  Prunus emarginata J. P. Smith 1976-5-21 8763 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC69558  Prunus emarginata Maralyn A. Renner 1980-8-6 2291 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC165439  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain Comment
  RSA96065  Prunus emarginata Percy C. Everett 1954-10-10 20259 Siskiyou 6.8 miles E of McCloud on road to Mt. Shasta (the town). Hwy 89. 1174 Comment
  CAS-BOT-BC154676  Prunus subcordata Alice Eastwood 1923-5-29 11996 Siskiyou Cantara Comment
  CAS-BOT-BC151229  Prunus virginiana var. demissa L. E. Smith 1913-7-27 493 Siskiyou McCloud Comment
  CAS-BOT-BC151237  Prunus virginiana var. demissa John Thomas Howell 1934-7-4 12407 Siskiyou Se. corner of Siskiyou Co. Comment
  UC637026  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, Siskiyou-Del Norte County line Little Grayback 1868 Comment
  UCR93371  Prunus virginiana var. demissa Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  CHSC63596  Pseudognaphalium stramineum Vernon H. Oswald; Lowell Ahart 1994-8-10 6451 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  JEPS80667  Pseudognaphalium thermale W. B. and V. G. Cooke 1977-9-22 54838 Siskiyou along logging road to Mud Creek Dam Squaw Valley Creek; Mt. Shasta Comment
  CAS-BOT-BC239818  Pseudoroegneria spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC239820  Pseudoroegneria spicata Elmer I. Applegate 1935-6-5 9316 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  HSC19088  Pseudostellaria jamesiana J. O. Sawyer 1969-7-18 1392 Siskiyou Head of S Russian Creek 1829 Comment
  SBBG30524  Pseudostellaria jamesiana D. Myrick 1968-6-25 2016 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  RSA639072  Pseudotsuga menziesii L. C. Wheeler 1958-8-18 7397 Siskiyou West Fork Seiad Creek. Comment
  HSC36941  Pseudotsuga menziesii var. menziesii J. P. Smith 1974-5-26 7562 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  HSC69140  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-8 2477 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  CAS-BOT-BC361904  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry Flat, Klamath R. 518 Comment
  HSC59604  Purshia tridentata var. tridentata J. P. Smith, Steve Selva 1970-8-8 4568 Siskiyou Lava Beds National Monument Comment
  RSA449672  Purshia tridentata var. tridentata N. R. Zabriskie, W. Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just E of McCloud. SE of Mt Shasta. Comment
  CAS-BOT-BC460858  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC460870  Pyrola aphylla Alice Eastwood 1921-7-26 10860 Siskiyou Soda Creek Comment
  HSC61039  Pyrola asarifolia subsp. bracteata Ruby Van Deventer 24 Aug [year missing] Siskiyou Cameron Meadows 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
  CAS-BOT-BC462798  Pyrola dentata Geo. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  HSC22456  Pyrola dentata J. O. Sawyer 1969-9-11 2034 Siskiyou Midslope above C.C.C. Rd. 1280 Comment
  UCD77970  Pyrola minor Robert E. Preston 2001-7-20 1677 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  HSC19196  Pyrola picta J. O. Sawyer 1968-7-10 462 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS93912  Pyrola picta Vernon H. Oswald and Lowell Ahart 1998-8-3 9432 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SD112140  Pyrola picta Darley F. Howe 1962-8-4 3390 Siskiyou Baldy Mt. 1524 Comment
  UCR93347  Pyrola picta Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  CAS-BOT-BC466138  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  UC86685  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou [illeg.] Mt. Eddy Comment
  JEPS97186  Pyrrocoma racemosa var. pinetorum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95022 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District Comment
  UCD40474  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1225 -8 Siskiyou Hamburg. 490 Comment
  UCSB26861  Quercus chrysolepis Broder, Richard 1964-9-25 Siskiyou Along U.S. Highway 97, 11 miles north of Weed 1158 Comment
  CAS-BOT-BC62756  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12385 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  HSC30228  Quercus garryana var. breweri William J. Ferlatte 1973-7-30 1482 Siskiyou Yellow Rose Mine Trail 1.0 mi SE of Big Flat 1829 Comment
  SEINET3134590  Quercus garryana var. breweri G. L. Stebbins 1972-7-3 sn Siskiyou N of Seiad Valley. 0.5 mi. E of Cook and Green Pass 1494 Comment
  HSC18919  Quercus kelloggii J. O. Sawyer 1969-8-4 1883 Siskiyou SE slope above S Sugar Lake 2165 Comment
  UC338624  Quercus kelloggii unknown Siskiyou near Shasta Comment
  UC63979  Quercus kelloggii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  CAS-BOT-BC104365  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  CHSC91794  Quercus sadleriana G. F. Hrusa 2001-6-6 15853 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  UCSB57179  Quercus sadleriana Holloway, Sandra 1963-10-12 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail (T.43.R.11W., southeast corner section 7), Marble Mountain Wilderness Area Comment
  HSC19217  Quercus vacciniifolia J. O. Sawyer 1968-6-25 330 Siskiyou 1646 Comment
  RSA237792  Quercus vacciniifolia Frederick W. Oettinger 1969-8-18 1436 Siskiyou Southeast of and over the ridge from Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237825  Quercus vacciniifolia Frederick W. Oettinger 1968-9-1 641 Siskiyou On rocky ridge of Franz Peak NNE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UCR95631  Quercus vacciniifolia L. C. Wheeler 1963-9-3 8345 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  UCSB1267  Quercus vacciniifolia Muller, Cornelius 1954-6-24 Siskiyou 4.8 mi. below summit of Salmon Mt. pass, 6 mi. SW of Etna Comment
  CAS-BOT-BC328127  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Near Mount Eddy ca. 0.25 mile north of Gumboot Lake along Gumboot Creek, Shasta-Trinity National Forest Comment
  UCD15034  Ranunculus John M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake; Comment
  UC1584286  Ranunculus alismifolius Julie Kierstead 1990-4-18 90 -16 Siskiyou 0.2 mi from Jct. of FS Rds. 3N55 and 40N09.4; Shata-Trinity N.R., McCloud R.D. 1341 Comment
  POM270027  Ranunculus aquatilis var. hispidulus Louis C. Wheeler 1935-6-13 3569 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS107487  Ranunculus cymbalaria var. saximontanus Lowell Ahart, John Dittes 2005-6-9 12040 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 200 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
  UCR37849  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 A Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 Comment
  CHSC1488  Ranunculus occidentalis var. dissectus V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  UC220629  Raphanus raphanistrum H. E. Brown June 1-10 1897 343 Siskiyou near Sisson 1083 Comment
  POM211390  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  SEINET4855298  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson. 1098 Comment
  JEPS42059  Rhamnus rubra W. L. Jepson 1940-7-3 20090 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  POM136617  Rhamnus rubra E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy. Comment
  UC592954  Rhamnus rubra Carl B. Wolf 1930-10-22 Siskiyou 3 mi n Mt. Shasta City (on the Pacific Highway) 1219 Comment
  RSA237250  Rhodiola integrifolia subsp. integrifolia Frederick W. Oettinger 1967-7-8 162 Siskiyou Above Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2107 Comment
  HSC72719  Rhododendron columbianum D. Parker 1965-7-24 895 Siskiyou Salmon Mtn., edge of Horseshoe lake 1860 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
  OBI55461  Rhododendron occidentale David J. Keil, Kathleen Keil 1992-7-21 23543 Siskiyou Klamath NF SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn road (Hwy 3)). Comment
  CDA32771  Rhododendron occidentale var. paludosum G. F. Hrusa 1992-5-3 9555 Siskiyou Siskiyou Mountains; South side of Scott Mtn. just below summit area. 1627 Comment
  CDA34292  Rhododendron occidentale var. paludosum J. Knorr 1980-7-8 51 Siskiyou Siskiyou Mtns.; Scott Mtn., NE of Hwy 3 crossing of Pacific Crest Trail. Cabin Meadows Creek. 1828 Comment
  HSC7889  Rhododendron occidentale var. paludosum Dorothy Parker 1949-6-6 Siskiyou French Creek, Salmon Mtns. 1372 Comment
  SEINET10494636  Rhus trilobata Katherine L. Morris 1973-6-2 Morris 356 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  SEINET3155932  Rhus trilobata var. quinata G. D. Butler 1910-6-29 1615 Siskiyou near Yreka Comment
  CAS-BOT-BC438002  Ribes Doris K. Kildale 1928-8-18 6438 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp 1524 Comment
  UC165929  Ribes aureum Geo. D. Butler 1909-4-13 598 Siskiyou near Yreka Comment
  HSC23686  Ribes binominatum J. O. Sawyer 1971-7-16 2433 Siskiyou Slope NE of Deep Lake 2165 Comment
  HSC92861  Ribes binominatum Jennifer Whipple 1978-6-5 2351 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  RSA459477  Ribes binominatum M. B. Dunkle 1944-7-26 9038 Siskiyou Siskiyou National Forest. 1829 Comment
  CAS-BOT-BC108775  Ribes cereum W. R. Dudley 1899-8-1 s.n. Siskiyou Craggy Peak. Comment
  CHSC9494  Ribes cereum J. F. Goodwin 1971-7-3 132 Siskiyou North side of road on dry rocky bank, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  SEINET13942379 Image available Ribes cereum E. K Balls 1950-1 14703 Siskiyou Lava beds. Lava Beds National Monument, below Indian Well Public Camp. Alt 4600 ft 1402 Comment
  HSC100038  Ribes inerme var. klamathense J. P. Smith, & J. O. Sawyer 2010-5-6 12824 Siskiyou Along Rd. 92K02, E of Copco. 823 Comment
  UC165269  Ribes inerme var. klamathense Geo. D. Butler 1909-4-13 641 Siskiyou near Yreka Comment
  JEPS84300  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6303 a Siskiyou Takilma to Happy Camp (Indian Creek Road, n-facing road bank and ledges above, just s of state line) Comment
  CAS-BOT-BC173391  Ribes lobbii W. R. Dudley 1899-8-22 s.n. Siskiyou Side of Craggy Peak 1828 Comment
  HSC22486  Ribes lobbii J. O. Sawyer 1969-6-12 875 Siskiyou E facing upper slope above Sugar Creek 1982 Comment
  RSA0021143  Ribes lobbii P. A. Munz 1952-7-2 17888 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  RSA0021145  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  RSA0021627  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek. Comment
  UC1222376  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  RSA0023153  Ribes nevadense I. L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1006 Comment
  RSA0023155  Ribes nevadense Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC1181812  Ribes roezlii Dorothy Parker 1950-4-23 404 Siskiyou near Etna Creek; Siskiyou Mountains, Salmon Mountain Range 914 Comment
  UC61672  Ribes roezlii W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  HSC65696  Ribes roezlii var. cruentum J. P. Smith 1973-5-5 6551 Siskiyou Scott Bar along the Scott River Comment
  RSA0024597  Ribes roezlii var. cruentum Roxana S. Ferris, Laura Lorraine 1948-6-12 11782 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  RSA0019542  Ribes sanguineum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek. Comment
  CAS-BOT-BC144510  Ribes sanguineum var. sanguineum Roxana S. Ferris; Laura Lorraine 1948-6-12 11775 Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  CAS-BOT-BC144516  Ribes sanguineum var. sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou Klamath [National] Forest. North Hungry Cr. 1310 Comment
  HSC69389  Ribes sanguineum var. sanguineum Maralyn A. Renner 1980-8-31 2661 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CAS-BOT-BC168793  Ribes viscosissimum Doris K. Kildale 1928-7-2 5344 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC168803  Ribes viscosissimum W. R. Dudley 1899-8-22 s.n. Siskiyou On Craggy Peak near spring. Comment
  CAS-BOT-BC168807  Ribes viscosissimum Alice Eastwood 1912-7-19 1246 Siskiyou Mount Shasta Comment
  UC166562  Ribes viscosissimum Geo. D. Butler 1908-8-5 260 Siskiyou camp below Cold Spring; West Fork of Woolly Creek 1676 Comment
  RSA0020919  Ribes viscosissimum Albert M. Vollmer, L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CAS-BOT-BC74657  Rorippa curvisiliqua H. E. Brown 1897-7-15 573 Siskiyou South side of Mount Shasta. 304 Comment
  POM88252  Rosa californica Geo. D. Butler 1909-9-26 973 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC146761  Rosa gymnocarpa Alice Eastwood 1923-5-20 11842 Siskiyou Shasta Springs Comment
  HSC19388  Rosa gymnocarpa J. O. Sawyer 1968-9-10 679 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC31805  Rosa gymnocarpa Steve Selva, Roger Jensen 1974-8-26 55 Siskiyou Sugar Lake trail Comment
  POM365847  Rosa pisocarpa Louis C. Wheeler 1934-6-27 2800 Siskiyou Cottonwood Creek. Siskiyou Mtns. 884 Comment
  UC1871385  Rosa pisocarpa Barbara Ertter 2006-7-30 18742 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, 2.2 mi N of intersection with Little Shasta Road. 1584 Comment
  CAS-BOT-BC149742  Rosa woodsii subsp. ultramontana Doris K. Kildale 1928-8-18 6476 Siskiyou Head of north fork of Salmon River at Finley's Upper Cap 1524 Comment
  UC861594  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek; Siskiyou Mts, Bear Creek off West Fork Beaver Creek 1767 Comment
  HSC19406  Rubus lasiococcus J. O. Sawyer 1968-7-2 369 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UCR66433  Rubus lasiococcus L. C. Wheeler 1934-8-13 3116 Siskiyou Siskiyou Mountains: Johnson Dairy 1829 Comment
  CAS-BOT-BC147985  Rubus leucodermis Doris K. Kildale 1929-7-20 8681 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CAS-BOT-BC157164  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  LA208252  Rubus ursinus Louis C. Wheeler; 1934-6-29 2824 Siskiyou Siskiyou Mountains, Open N. slope, Soda Creek, Sterling Mt.; Mt. Diablo Mer 1280 Comment
  UC1483553  Rubus ursinus John Palmer 1980-8-12 713 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  UC861838  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's Ranch ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  JEPS116589  Rudbeckia klamathensis Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -020 Siskiyou The Eddys, west of Mt. Shasta. Wet seep adjacent to unnamed tributary Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N Middle Fork crossing; Mt. Eddy 1693 Comment
  SEINET5710611  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  SJSU2579  Rudbeckia klamathensis H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of Junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  UC1483467  Rumex acetosella Maralyn A. Renner 1980-7-24 2040 Siskiyou Lily Pad Lake Klamath National Forest, Seiad Valley Quad. 1767 Comment
  UCD77981  Rumex acetosella Robert E. Preston 2002-7-14 1925 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1739 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  CAS-BOT-BC433695  Rumex obtusifolius H. A. Thomas; J. H. Thomas 1954-7-26 4547 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  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
  CAS-BOT-BC103544  Salix commutata John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC76984  Salix eastwoodiae K. T. Stillman 1976-6-25 75 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  CAS-BOT-BC107790  Salix hindsiana W. R. Dudley 1905-8-3 s.n. Siskiyou By upper Sacramento near Sissons below wood and Sheldon's Mill Comment
  LA208808  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-19 411 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  UC375231  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-3-30 1149 Siskiyou Yreka Creek Comment
  UC481728  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  CAS-BOT-BC125451  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  CAS-BOT-BC125446  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC107084  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 842 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  HSC69187  Salix lasiolepis Maralyn A. Renner 1980-8-31 2631 Siskiyou Twin Valley. 1494 Comment
  SJSU215  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou 300 km below Dobbins L, N side Mt Eddy c. 21 km NW of Shasta City 1645 Comment
  UC482338  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house, n base of mt.); Mt. Eddy 1080 Comment
  UC576378  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 841 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-BC124539  Salix lasiolepis var. lasiolepis Gordon H. True 1968-8-6 4578 Siskiyou Ca. 1.5 miles north of Dunsmuir 807 Comment
  POM362801  Salix lasiolepis var. sandbergii Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station. Klamath River. Siskiyou Mtns. 671 Comment
  CAS-BOT-BC124894  Salix lemmonii Alice Eastwood 1921-7-28 10965 Siskiyou Medicine Lake 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
  POM219892  Salix lemmonii H. P. Bracelin 1931-6-19 415 Siskiyou NE side of Mount Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. Comment
  CAS-BOT-BC125692  Salix melanopsis W. R. Dudley 1907-8-23 s.n. Siskiyou South Fork Salmon by crossing of trail to 4 mile camp Comment
  CAS-BOT-BC125931  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou McCloud River at [Glazier] Glaser/Glacierview Comment
  CDA21576  Salix scouleriana Marianne Cabot 2008-8-12 PDR# 1413931 Siskiyou Ft. Jones, 6711 Mill Creek Rd. 0 Comment
  HSC19449  Salix scouleriana J. O. Sawyer 1969-8-4 1814 Siskiyou Above Sugar Lake 2134 Comment
  POM219901  Salix scouleriana H. P. Bracelin 1931-6-20 446 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  RSA201313  Salix scouleriana J. T. Howell 1939-8-6 15102 -A Siskiyou Elk Peak. Marble Mtns. Comment
  CDA3197  Salsola tragus T. C. Fuller 1964-10-7 12689 Siskiyou South limits of Weed. 0 Comment
  CAS-BOT-BC225206  Salvia sonomensis L. E. Smith 1913-8-12 521 Siskiyou McCloud Comment
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  CAS-BOT-BC238876  Sambucus nigra subsp. caerulea Alice Eastwood 1921-7-31 11017 Siskiyou Shasta Springs Comment
  CAS-BOT-BC238883  Sambucus nigra subsp. caerulea Gilbert Muth 1965-8-2 s.n. Siskiyou 1/2 between Gate & Lower Sky High Lakes Comment
  CAS-BOT-BC238887  Sambucus nigra subsp. caerulea Doris K. Kildale 1928-8-18 6446 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  UC1619914  Sanicula graveolens Barbara Ertter 1990-7-14 9331 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, s. side of creek); Mt. Eddy, Wagon Creek 1889 Comment
  JEPS74411  Saponaria officinalis W. B. and V. G. Cooke 1974-8-20 49245 Siskiyou Everett Memorial Highway Mt. Shasta (Mt. Shasta) Comment
  UC1045269  Saponaria officinalis W. Bridge Cooke 1940-7-12 15326 Siskiyou along the Castle Lake Road at the S.P. crossing in Mt. Shasta City; along Castle Lake Road, Mt. Shasta City Comment
  RSA70031  Sarcobatus vermiculatus F. W. Peirson 1923-7-19 3717 Siskiyou 2 miles below Oregon line, lowest dry Klamath lake. Comment
  HSC27476  Sarcodes sanguinea J. P. Smith, J. O. Sawyer 1972-5-28 5375 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  CDA8574  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  HSC103906  Saxifraga bryophora Dana York, Richard Helliwell 2010-9-11 3014 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  CDA25436  Saxifraga fallax G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2619 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  JEPS25636  Saxifraga ferruginea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7275 Siskiyou Poker Flat 1536 Comment
  RSA760542  Saxifraga ferruginea R. F. Thorne, Frederick W. Oettinger 1969-8-4 63366 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  JEPS47635  Saxifraga oregana Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  POM258940  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-7 5285 -a Siskiyou Sanger Peak. 1780 Comment
  RSA211114  Saxifragopsis fragarioides William J. Ferlatte 1967-7-25 730 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  RSA211115  Saxifragopsis fragarioides William J. Ferlatte 1967-8-6 816 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  RSA167320  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou Flint Valley, about 5 miles southeast of Elk Valley 1433 Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UCD69139  Scutellaria antirrhinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  RSA789787  Scutellaria antirrhinoides Rebecca Wenk 2005-7-16 250 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  UC1408772  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou High Lake Basins in vicinity of English Peak (below English Lake,); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC1112881  Scutellaria nana Milo S. Baker 1957-6-15 13105 Siskiyou road cut just s of Week Comment
  CAS-BOT-BC64640  Sedum kiersteadiae John Thomas Howell 1937-7-29 13665 Siskiyou Scott Mt. between Trinity and Siskiyou Counties. Comment
  RSA0104952  Sedum laxum subsp. heckneri L. C. Wheeler 1934-8-15 3156 Siskiyou E Fork Horse Creek, Siskiyou Mts. 1220 Comment
  JEPS84103  Sedum obtusatum L. R. Heckard with J. Hickman et al. 1986-7-17 6511 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  HSC645  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-6 612 Siskiyou Dorleska summit. 2134 Comment
  HSC69031  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-7-28 2177 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  RSA0035470  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. 1510 Comment
  SBBG19225  Selaginella scopulorum L. L. Kiefer 1963-8-8 827 Siskiyou White Mtn, N of town of Horse Crk, trail from Siskiyou Summit to White Mtn 1524 Comment
  CHSC90388  Selaginella wallacei Martin J. Lenz 2004-12-17 1085 Siskiyou Road cutbank near small tributary of Tompkins Cr., approx. 7.1 air mi. SW of mouth of Scott River. UTM: 10 489596 E 4616333 N. 957 Comment
  RSA237268  Selaginella wallacei Frederick W. Oettinger 1967-7-8 157 Siskiyou Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC128665  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou near Sisson Comment
  CDA8599  Senecio canus T. C. Fuller 1977-6-14 20211 Siskiyou North of Highway 97, 3 km southwest of Deer Mountain Lodge. 0 Comment
  HSC91207  Senecio fremontii Jennifer Whipple 1976-7-25 1581 Siskiyou N slopes of Mt. Eddy; on ridge crest above Deadfall Lakes 2622 Comment
  CDA8622  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Highway 99, 5 miles south of Yreka. 0 Comment
  UC53947  Senecio integerrimus var. major Harley P. Chandler Jun 1901 1606 Siskiyou near Marble Mountain; North Coast Ranges 1981 Comment
  UC1483550  Senecio integerrimus var. major Maralyn A. Renner 1980-6-26 1192 Siskiyou forest at n edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad. 1389 Comment
  CDA8655  Senecio integerrimus var. ochroleucus T. C. Fuller 1958-6-18 1791 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  RSA0125066  Senecio integerrimus var. ochroleucus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2.5 miles northwest of Dry Lake Lookout. Comment
  HSC74441  Senecio jacobaea M. A. Baker 1980-6-20 2193 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC364432  Senecio triangularis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  SEINET3876323 Image available Sequoia sempervirens Alv Dan Youngberg 1964-7-25 89 Siskiyou Found growing at the Happy Camp Ranger Station, Humbolt Meridian.; 0 Comment
Read comments
Feb 21 2015
  CAS-BOT-BC364786  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1922-10-18 11520 Siskiyou Shasta Springs Comment
  RSA211491  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin. Sawtooth Ridge. 2043 Comment
  UC164426  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  CAS-BOT-BC205789  Sidalcea oregana Annie M. Alexander; Louise Kellogg 1949-7-23 5852 Siskiyou At Sky High Valley, Paradise Lake, Marble Mountains 1920 Comment
  JEPS67293  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20061 Siskiyou McCloud 975 Comment
  UC108851  Sidalcea oregana subsp. oregana T. S. Brandegee 1887-7-1 Siskiyou Sisson's Comment
  UC140823  Sidalcea oregana subsp. spicata Dr. E. B. Copeland 1903-8-12 3822 Siskiyou Sisson Comment
  UC221438  Sidalcea oregana subsp. spicata Dr. Edward Palmer Jul 13 1892-Jul 20 1892 2532 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  UCD39820  Sidalcea oregana subsp. spicata A. H. Murphy 1955-7-27 D- 2 Siskiyou Klamath National Forest. Marble Mountains, Cold Springs Meadow. 1676 Comment
  UC609326  Sidalcea setosa Eleanor Burks Hart 1938-8-18 911 Siskiyou above Big Meadow; above Big Meadow 2194 Comment
  HSC29622  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-8-9 1315 Siskiyou Marble Mtn. Wilderness Area , below first stream crossing , near Abbott's Upper Cabin, Salmon Mtns. 1524 Comment
  POM100902  Silene campanulata subsp. greenei Geo. D. Butler 1909-7-15 962 Siskiyou Russian Creek. 1829 Comment
  UC166126  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Highland Mine Comment
  RSA790241  Silene douglasii Rebecca Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher s Peak. 2134 Comment
  CAS-BOT-BC388950  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  CAS-BOT-BC388954  Silene grayi Alice Eastwood 1921-7-28 10886 Siskiyou Little Mt. Hoffman Comment
  CAS-BOT-BC388962  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  HSC76646  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  JEPS50995  Silene grayi Willis L. Jepson 1894-8-4 Siskiyou Horse Camp Mt. Shasta, Horse Camp Comment
  UC917307  Silene grayi R. Tofsrud and J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadows , Panther Meadows (s slope Mt. Shasta) 2407 Comment
  CAS-BOT-BC75154  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou Near Upton. 1097 Comment
  RSA68933  Sisyrinchium idahoense A. E. Culbertson 25 Siskiyou In the vicinity of Castle Lake, in a north facing cirque with an abrupt 1000 back wall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  JEPS80496  Smilacina racemosa Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC375211  Smilacina racemosa Geo. D. Butler 1908-7-19 1088 Siskiyou Humbug Creek Comment
  HSC26227  Smilax californica J. P. Smith, J. O. Sawyer 1972-5-28 5367 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  CAS-BOT-BC157044  Solanum umbelliferum A. Eastwood; J. T. Howell 1934-4-20 1772 Siskiyou Near Yreka along Shasta River Comment
  UC1560414  Solanum umbelliferum E. Joyal and D. Mehlman 1988-6-25 1272 Siskiyou Happy Camp-Takilma road at turn off to Bolan Lake 1524 Comment
  CAS-BOT-BC157046  Solanum umbelliferum E. D. Cantelow 1936-5-20 1440 Siskiyou S.W. slope of Salmon Mt. nr. summit 1817 Comment
  CAS-BOT-BC365565  Solidago elongata Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC374523  Sonchus asper W. B. Cooke; V. G. Cooke 1963-7-12 34329 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC157322  Sorbus californica John Thomas Howell 1939-8-3 14979 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  POM91495  Sorbus californica Geo. D. Butler 1910-7-8 1681 Siskiyou Shakleford Creek 1372 Comment
  RSA96942  Sorbus californica Percy C. Everett, E. K. Balls 1954-10-10 20264 Siskiyou E shore of Castle Lake. SW of town of Mt. Shasta. 1585 Comment
  HSC29505  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1921 Comment
  UCD78008  Sorbus scopulina Robert E. Preston 2002-6-20 1864 Siskiyou Klamath National Forest, Rainbow Mountain, north slope. 1735 Comment
  UC1409331  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou sw of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UCD92633  Sorghum halepense Collector Unknown 1956-8-21 s.n. Siskiyou Mt. Shasta City. Comment
  RSA238580  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou South inlet area of Hancock Lake, the high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area; Salmon Mountains. 1936 Comment
  HSC64781  Spiraea douglasii J. P. Smith, Steve Selva 1970-7-17 4445 Siskiyou 915 Comment
  POM210937  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  CAS-BOT-BC152550  Spiraea splendens L. E. Smith 1913-9-1 549 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152556  Spiraea splendens Doris K. Kildale 1929-8-25 9016 Siskiyou Near Youngs Valley, trail to Preston Peak 1524 Comment
  CHSC84754  Stachys ajugoides var. rigida L. P. Janeway 2003-8-9 7962 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; spring at head of uppermost fork of Seiad Creek. 1725 Comment
  UCLA70897  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15169 Siskiyou below Hornbrook (near the Pacific Highway); Klamath River Comment
  RSA183648  Stachys rigida subsp. quercetorum Gilbert Muth 1965-8-16 221 Siskiyou On trail behind Blk. Mt., Marble Mts. Comment
  RSA237302  Stachys rigida subsp. rivularis Frederick W. Oettinger 1967-6-28 138 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  HSC23656  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-6-27 857 Siskiyou Along CCC Rd. 1311 Comment
  CAS-BOT-BC391220  Stellaria longipes subsp. longipes A. A. Heller 1920-6-27 13397 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC391218  Stellaria longipes subsp. longipes L. E. Smith 1913-6-25 392 Siskiyou Sisson Comment
  UC165376  Stellaria longipes var. longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  RSA576948  Stellaria media subsp. pallida L. C. Wheeler 1934-6-19 2736 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  HSC41046  Stellaria nitens J. O. Sawyer 1970-3-4 2065 Siskiyou N of Idlewild Campground 762 Comment
  HSC75256  Stenanthium occidentale J. O. Sawyer, M. Mesler 1980-8-13 4050 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  CAS-BOT-BC375643  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 a Siskiyou Sisson Comment
  CAS-BOT-BC375647  Stephanomeria lactucina L. S. Smith 1913-7-27 494 Siskiyou McCloud Comment
  HSC19124  Stephanomeria lactucina J. O. Sawyer 1969-8-4 1796 Siskiyou Along C.C.C. road 1341 Comment
  RSA474275  Stephanomeria lactucina Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC6234  Stephanomeria virgata R. C. Wunner 1965-9-8 511 Siskiyou California Lava Beds National Monument; 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  SEINET10603810  Stipa californica A. Arthur Heller 1905-6-1 Heller 7936 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  SEINET10523037  Stipa occidentalis Patricia L. Kenney 1973-6-4 Kenney 387 Siskiyou Manzanita and yellow pine habitat near Freeman Lane, off Hwy 5 toward Abrams Lake. 1067 Comment
  HSC30534  Stipa occidentalis var. californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1156 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC71191  Stipa occidentalis var. californica M. A. Baker 1980-6-20 2222 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC87842  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  CAS-BOT-BC87855  Streptanthus tortuosus Lincoln Constance; Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles south of Happy Camp. 304 Comment
  JEPS54009  Streptanthus tortuosus Willis L. Jepson Jul 24 1894-Aug 10 1894 13406 Siskiyou beyond Sisson; Region of the Upper Sacramento, Upton Plateau Comment
  SJSU8319  Streptanthus tortuosus M. R. Kempf 1965-7-13 309 Siskiyou slope above Horse Camp, SW slope of Mt Shasta 2438 Comment
  RSA233655  Streptanthus tortuosus R. F. Thorne, Frederick W. Oettinger 1969-8-10 39004 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC99988  Streptanthus tortuosus var. oblongus Thomas W. Nelson 2005-7-16 9376 Siskiyou Along Etna-Forks of Salmon Rd., 1.5 mi. from Forks of the Salmon. 399 Comment
  UC164041  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley Comment
  CAS-BOT-BC48105  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS74529  Suksdorfia ranunculifolia W. J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake basin; Trinity Alps, Josephine Lake basin 1676 Comment
  UC1190180  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  SD53388  Swertia albicaulis var. nitida Darley F. Howe 1962-8-4 3389 Siskiyou Near summit of Baldy Mountain. 1737 Comment
  UC456202  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1524 Comment
  HSC46227  Swertia albicaulis var. nitida Jennifer Whipple 1978-6-5 2338 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC269612  Symphoricarpos albus var. laevigatus L. R. Short 1933-6-15 37 Siskiyou Klamath National Forest. Clear Ck. 640 Comment
  CAS-BOT-BC245774  Symphoricarpos rotundifolius Wm. Bridge Cooke 1938-8-23 11578 Siskiyou Above Bolam Creek, Mount Shasta 2590 Comment
  CAS-BOT-BC245776  Symphoricarpos rotundifolius Geo. D. Butler 1908-7-20 s.n. Siskiyou Humbug Creek Comment
  UC165280  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC97880  Symphyotrichum eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC97947  Symphyotrichum frondosum Geo. D. Butler 1910-9-13 1873 Siskiyou Butte Valley 1280 Comment
  HSC78313  Symphyotrichum hendersonii L. P. Janeway 1983-8-6 488 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  CAS-BOT-BC98853  Symphyotrichum spathulatum var. intermedium Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  UC74050  Taraxacum officinale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC81334  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou Diversion dam on China Creek 1158 Comment
  CAS-BOT-BC81341  Taxus brevifolia Elmer I. Applegate 1930-8-9 6599 Siskiyou Top of high divide south of Cameron Meadow, Siskiyou Mountains, headwaters of Applegate River Comment
  HSC18879  Taxus brevifolia J. O. Sawyer 1968-9-11 701 Siskiyou Slopes above Twin Valley 1463 Comment
  HSC33966  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  SBBG25354  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou lower Blake's Fork of S Russian Crk (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  SEINET11739097  Taxus brevifolia R. Gankin, Hildreth, W. R. 1967-1 1186 Siskiyou near trail to Marble Mountain Wilderness Area (Yellow Jacket Ridge) N of Sawyers Bar 1402 Comment
  JEPS49694  Tellima grandiflora W. L. Jepson 1907-7-19 2945 Siskiyou head of Indian Creek; Siskiyou Mountains 914 Comment
  JEPS82442  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail Marble Mountain Wilderness Area (along first bluff) 1828 Comment
  HSC29429  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou Marble Mtn. Wilderness Area, S of Abbott's lake 1860 Comment
  JEPS60729  Thalictrum fendleri var. polycarpum Geo. D. Butler 1908-8-9 359 Siskiyou near Shackelford summit; Wooly Creek 1767 Comment
  CAS-BOT-BC88062  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  UC609354  Thlaspi montanum var. montanum Eleanor Burks Hart 1938-8-17 907 Siskiyou meadow on se side Upper Wright Lake; se side of Upper Wright Lake 2225 Comment
  UC857500  Thlaspi montanum var. montanum Alice Eastwood 1912-7-23 1330 Siskiyou Cantara Comment
  RSA0036026  Thysanocarpus curvipes var. curvipes Louis C. Wheeler 1925-5-11 3477 Siskiyou Klamath River at Ash Creek, Sisikyou Mts. 609 Comment
  RSA120207  Tofieldia glutinosa subsp. occidentalis S. S. Tillett 1956-7-11 680 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  JEPS80591  Tofieldia occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring Marble Mt. Wilderness Area 1792 Comment
  JEPS49716  Tolmiea diplomenziesii W. L. Jepson 1907-7-19 2940 Siskiyou Happy Camp Trail Siskiyou Mts. (headwaters of Indian Creek) Comment
  OBI8730  Torilis arvensis Tracey & Viola Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath River 1/4 mi E of mouth of Beaver crk 488 Comment
  SEINET6951471  Toxicodendron diversilobum M. K. Solecki, J. B. Taft 1986-9-9 2140 Siskiyou Along Scott River, near Indian Scotty campground. Comment
  SJSU6478  Toxicoscordion paniculatum R. W. Trivelpiece 1972-6-9 92 Siskiyou c. 4 mi E of Grass Lake 1524 Comment
  JEPS81832  Tragopogon dubius Rimo Bacigalupi 1959-7-2 7212 Siskiyou Weed; e outskirts 1066 Comment
  UC642523  Tragopogon dubius W. B. Cooke 1939-6-30 13553 Siskiyou along the lower part of the MacBride Springs Road Mount Shasta 1219 Comment
  HSC44996  Triantha occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-7-18 4481 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC519564  Triantha occidentalis subsp. occidentalis H. E. Brown 1897-7-15 523 Siskiyou South side of Mt. Shasta 3048 Comment
  CHSC91234  Tribulus terrestris Lowell Ahart; John Dittes 2005-6-10 12076 Siskiyou Overflow area, 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
  POM76576  Trientalis latifolia Geo. D. Butler 1910-5-23 1392 Siskiyou Humbug Mtn. 1220 Comment
  RSA240068  Trientalis latifolia Frederick W. Oettinger 1969-8-9 1318 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
  JEPS65700  Trifolium albopurpureum var. dichotomum Geo. D. Butler 1909-5-13 710 Siskiyou near Yreka; Klamath Hills Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  POM312879  Trifolium cyathiferum H. L. Mason 1948-7-17 13604 Siskiyou Eastern Grass Lake, in forested hills Comment
  UC1191487  Trifolium eriocephalum var. eriocephalum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC219040  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley, along creek 1792 Comment
  CAS-BOT-BC219046  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou Shackleford Creek Comment
  UCD111230  Trifolium hybridum L. Whitney 1934-6-10 s.n. Siskiyou location unknown. Comment
  JEPS66047  Trifolium kingii var. productum Geo. D. Butler 1908-8-9 377 Siskiyou summit above Marbel Valley 1828 Comment
  HSC58923  Trifolium longipes Marvin Butler 1971-7-6 20 Siskiyou Near El Capitan, close to Cave Junction 1 Comment
  HSC92981  Trifolium longipes subsp. shastense Jennifer Whipple 1976-6-17 1028 Siskiyou Near Durney Lake 2073 Comment
  UC866844  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC454732  Trifolium longipes var. hansenii I. J. Condit 1911-7-27 Siskiyou near Sisson (Castle Lake) 1828 Comment
  RSA11936  Trifolium longipes var. shastense Elmer I. Applegate 1923-8-20 39069 Siskiyou Medicine Lake Comment
  UC1005586  Trifolium macrocephalum Frank W. Gould 1940-5-14 1236 Siskiyou Bull Meadows Goosenest Mountain 1524 Comment
  UC164161  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Dry hill Yreka Comment
  UCD111328  Trifolium macrocephalum J. G. Ferrell 1941-4-1 s.n. Siskiyou Near Edgewood. Comment
  UC631546  Trifolium microcephalum A. A. Heller 1916-7-20 12462 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  CHSC985  Trifolium pratense K. Jaekel 1939-7-3 Siskiyou Black Butte Meadows. 1158 Comment
  SBBG15604  Trifolium pratense D. Myrick 1961-6-20 276 Siskiyou near Mt Shasta City 1066 Comment
  JEPS128458  Trifolium productum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -059 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. 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
  POM28356  Trifolium siskiyouense Edward Palmer 1892-7-13 2510 Siskiyou Mt. Shasta and vicinity. Comment
  CHSC86651  Triglochin concinna var. debilis Jenny Marr 1993-7-1 34 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA184784  Trisetum canescens Gilbert Muth 1966-7-22 433 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  CAS-BOT-BC200272  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  JEPS84004  Trisetum spicatum L. R. Heckard with J. Hickman et al. 1986-7-17 6473 Siskiyou ca 5 mi n town of Seiad Valley (trail up Kangaroo Peak, s of Lily Lake Pad); Kangaroo Peak 1800 Comment
  JEPS5655  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  UCSB23731  Triteleia crocea Keefe, Joseph 1967-7-11 Siskiyou Brushy flats along road cuts, 0.3 mile north of Castle Lake, 10 miles southwest of town of Mt. Shasta 1706 Comment
  HSC91436  Tsuga mertensiana Jennifer Whipple 1978-10-6 2414 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA761844  Tsuga mertensiana Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63374 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC80255  Tsuga mertensiana subsp. grandicona G. A. Coleman 1901-7-31 36 Siskiyou Near summit of range, west of forks of Salmon River Comment
  HSC36687  Umbellularia californica Brent Whitely 1975-6-20 4 Siskiyou 223 Comment
  HSC18970  Vaccinium cespitosum J. O. Sawyer 1969-7-8 1098 Siskiyou SE facing slope W of Little Duck Lake 2268 Comment
  HSC91310  Vaccinium cespitosum Jennifer Whipple 1976-6-17 1023 Siskiyou Near Durney Lake 2073 Comment
  RSA211434  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin. 1982 Comment
  UC1409419  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou n shoreline Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  UC56728  Vaccinium deliciosum Harley P. Chandler Jun 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CHSC89001  Vaccinium membranaceum Gail A. Newton; Steven Harris 1981-7-17 2252 Siskiyou Klamath National Forest. Near the Dillon Divide. 1691 Comment
  HSC19335  Vaccinium membranaceum J. O. Sawyer 1969-7-9 1234 Siskiyou N facing slope S of S Sugar Lake 2149 Comment
  HSC65502  Vaccinium membranaceum R. White 1977-6-20 86 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  CAS-BOT-BC199478  Vaccinium parvifolium Doris K. Kildale 1930-8-24 9032 Siskiyou Rattlesnake Meadow near Preston Peak 1676 Comment
  HSC26906  Vaccinium scoparium J. P. Smith, J. O. Sawyer 1971-9-17 4785 Siskiyou On trail up to Little Duck lake 1829 Comment
  CAS-BOT-BC199485  Vaccinium scoparium W. R. Dudley 1901-8-23 s.n. Siskiyou Amphitheatre of Caribou Peak, Salmon Mts. Comment
  POM59722  Valeriana capitata subsp. californica Copeland 1903-8-18 3841 Siskiyou Mt. Eddy. Comment
  POM259604  Valeriana sitchensis subsp. sitchensis J. T. Howell 1939-8-3 15017 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC164333  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek Comment
  UC7408791  Valeriana sitchensis subsp. sitchensis Frederick W. Oettinger 1968-8-6 425 Siskiyou along stream at se corner of Hancock Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC61296  Vancouveria hexandra Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley Comment
  UC1409394  Vancouveria hexandra Frederick W. Oettinger and R. F. Thorne 1969-8-6 1232 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC1409395  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC27688  Vancouveria planipetala Carl W. Mize 1972-6-10 47 Siskiyou 100 yds. above Steinacher Creek 305 Comment
  CHSC71517  Ventenata dubia Vernon H. Oswald; Lowell Ahart 1998-7-21 9336 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  RSA237911  Veratrum viride Frederick W. Oettinger 1969-9-4 1648 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC96828  Verbena lasiostachys var. lasiostachys S. Lyon 2006-6-29 7 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  HSC2  Veronica americana William J. Ferlatte 1966-6-23 132 Siskiyou Yellow Rose Mine, below mine 1982 Comment