Search Results — 2000 specimen records retrieved (1373 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC34996  Abies X shastensis Steve Adams 1975-11-8 Siskiyou N slope of of Rock Creek Butte on GO Rd., Bulk Collection #96 1524 Comment
  RSA47982  Abies X shastensis Roxana S. Ferris, Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  UC1409512  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou s end of Diamond Lake Salmon Mts., Diamond Lake (w Siskiyou County) 2072 Comment
  HSC69329  Abies concolor John Palmer 1980-8-12 749 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  RSA0091808  Abies concolor Bonnie C. Templeton 1968-6-13 11331 Siskiyou Mt. Shasta, on road to ski bowl. 2835 Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  UC1001949  Abies concolor Mrs. B. M. Berry 1954-10-7 4 Siskiyou Sugar Creek Bridge Salmon Mountains, Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan) 1828 Comment
  SBBG133152  Abies concolor B. C. Templeton 1968-6-13 11329 Siskiyou near Castle Lake 1981 Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC66074  Abies lasiocarpa Timothy B. Devine 1976-10-23 364 Siskiyou NW side of little Duck Lake 2043 Comment
  RSA572074  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  UC1029451  Abies magnifica var. shastensis Mrs. B. M. Berry 1954-10-9 1 Siskiyou Salmon Mountain Salmon Mountains (between Etna and summit) 1828 Comment
  LA202806  Acer circinatum Wm. Bridge Cooke; 1940-7-12 15309 Siskiyou Box Canyon, Near the Sacramento River and near Mount Shasta City 914 Comment
  JEPS109261  Acer glabrum D. W. Taylor 2002-8-7 18295 Siskiyou Trinity Mountains; Mears Creek, cirque in very highest headwaters of the creek, ca 0.5 air miles SE of Tamarack Lake. Comment
  JEPS42741  Acer glabrum W. L. Jepson 1907-7-5 2837 Siskiyou Marble Mt. Comment
  CAS-BOT-BC330989  Acer glabrum var. glabrum Alice Eastwood; John Thomas Howell 1937-6-25 5018 Siskiyou Scott Mts. above Callahan Comment
  UC1408873  Acer glabrum var. glabrum Frederick W. Oettinger and R. F. Thorne 1969-8-5 1206 Siskiyou along trail bet Abbotts Upper Cabin and English Lake (Willow Springs, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area, Salmon Mountains 1676 Comment
  HSC29477  Acer glabrum var. torreyi Frederick W. Oettinger 1967-8-21 302 Siskiyou Marble Mtn. Wilderness Area, along trail to Pine Lake 1982 Comment
  UC1034596  Acer macrophyllum Douglas Barbe 1955-6-30 62 Siskiyou 1 mi nw Forest Camp (along Johnson Creek, Etna); Klamath Mountains, along Johnson Creek, Etna 944 Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC30442  Achillea millefolium Doris K. Kildale 1929-8-24 9099 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC68003  Achillea millefolium J. P. Smith, Steve Selva 1970-6-15 3983 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CAS-BOT-BC18866  Achillea millefolium David D. Keck 1938-8-8 4877 Siskiyou Scott Mountain Divide, between Scott Mtn. and Craggy Peak. 1676 Comment
  RSA696054  Achillea millefolium Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 1006 Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  CAS-BOT-BC400005  Achlys triphylla Clarence R. Quick 1959-6-19 59 -14 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  JEPS449  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou M<?>ffitt Creek Comment
  CAS-BOT-BC216926  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC210869  Achnatherum occidentale subsp. californicum H. S. Yates 1936-6-4 5837 Siskiyou One mile southwest of Signal Butte 1341 Comment
  CAS-BOT-BC210870  Achnatherum occidentale subsp. californicum Elmer I. Applegate 1935-6-10 9481 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  RSA238977  Achnatherum occidentale subsp. californicum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1156 Siskiyou Halfway Spring, trail from English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD37095  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-22 3862 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD55544  Achnatherum occidentale subsp. californicum A. H. Murphy 1953-7-28 KNF 4 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  RSA603758  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1935-6-27 3606 Siskiyou Head Etna Creek, Marble Mts. 1799 Comment
  UC618668  Achnatherum occidentale subsp. occidentale W. B. Cooke 1938-8-18 11471 Siskiyou Horse Camp Springs Mount Shasta Comment
  RSA184786  Achnatherum occidentale subsp. occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2073 Comment
  RSA716055  Achnatherum thurberianum L. Ahart, John Dittes 2005-6-9 12018 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  SBBG25819  Acmispon americanus D. Myrick 1966-8-8 1494 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC43029  Acmispon nevadensis J. O. Sawyer, Ken Stillman 1976-7-2 2802 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  SBBG25947  Aconitum columbianum D. Myrick 1966-8-10 1516 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC375342  Aconitum columbianum Geo. D. Butler 1908-8-3 363 Siskiyou Shackleford Creek, Log Lake Comment
  UCD77302  Aconitum columbianum Robert E. Preston 2001-7-20 1682 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1712 Comment
  CAS-BOT-BC391516  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 2089 Siskiyou Mount Eddy Comment
  HSC35  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-19 436 Siskiyou Kidd Creek Trail 1890 Comment
  CAS-BOT-BC418818  Aconogonon phytolaccifolium Geo. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  CAS-BOT-BC418815  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-20 6607 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mountain Comment
  CAS-BOT-BC391706  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC29313  Adenocaulon bicolor Laura Myrtle Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  UC61077  Adenocaulon bicolor W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Mc Cloud River (The Bend); Mount Shasta, Mc Cloud River (The Bend) Comment
  UC1409501  Adenocaulon bicolor F. W. Oettinger 1969-8-9 1317 Siskiyou toward 5 mile Stock Gate along main North Fork trail Abbott's Upper Cabin; Salmon Mountains 1356 Comment
  HSC93000  Adiantum aleuticum Jennifer Whipple 1976-8-20 1723 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  RSA237840  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA577174  Adiantum aleuticum L. C. Wheeler 1934-8-23 3209 Siskiyou Jaynes Canyon, Siskiyou Mountains 915 Comment
  SEINET10470216  Adiantum aleuticum G. B. Grant 1902-9-2 Grant UMO 32128 Siskiyou Collected at Shasta Springs northern keal. Comment
  CHSC69080  Agastache parvifolia Vernon Oswald; Lowell Ahart 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  JEPS62938  Agastache urticifolia W. L. Jepson 1937-7-30 18555 Siskiyou Poker Flat , Poker Flat (Siskiyou Mts.) 1584 Comment
  JEPS80551  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Mt. Wilderness Area 1792 Comment
  UC637091  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  HSC4988  Agastache urticifolia J. O. Sawyer 1968-7-23 604 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake, Brown's Meadow 1829 Comment
  UC454303  Ageratina occidentalis I. J. Condit 1911-7-1 Siskiyou Sisson Comment
  UC896508  Ageratina occidentalis John Thomas Howell 1939-8-2 14893 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  RSA215634  Agoseris aurantiaca Gilbert Muth 1969-8-8 1293 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  CHSC34258  Agoseris glauca var. monticola J. D. Jokerst; M. D. Huffine 1981-9-8 1467 Siskiyou Between West Parks Cr and first rd to the west. 1798 Comment
  HSC61110  Agoseris grandiflora Ruby Van Deventer 1955-8-5 Siskiyou Doe Flat; Forest Service Road 17N04 Comment
  UC1090383  Agoseris grandiflora var. grandiflora Milo S. Baker 1957-6-15 13107 Siskiyou just s Weed ((road cut)); North Coast Ranges Comment
  UC1539996  Agoseris heterophylla var. heterophylla M. Mitchell 1935-5-14 30 Siskiyou Canby's Cross; Lava Beds National Monumnet 1234 Comment
  CDA15520  Agrostis capillaris G. F. Hrusa 1998-7-5 14688 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Clumping perennial on roadside. Open dry site. Comment
  CAS-BOT-BC126983  Agrostis exarata Geo. D. Butler 1910-6-21 1595 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC126987  Agrostis exarata Louis C. Wheeler 1934-6-26 2792 Siskiyou Cottonwood Creek. Siskiyou Mountains. 838 Comment
  CAS-BOT-BC126992  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  RSA238371  Agrostis exarata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1204 Siskiyou Trail from English Lake to Abbott's. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC139564  Agrostis gigantea David D. Keck 1949-7-19 6349 Siskiyou 2 miles south of Grenada, along R.R. right-of-way. 777 Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC22444  Agrostis pallens J. O. Sawyer 1969-8-1 1644 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC814985  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCD53099  Agrostis pallens E. B. Copeland 1903-9-6 3801 Siskiyou Siskiyou/Trinity County: Mt. Eddy. Comment
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Jun 10 2012
  HSC30449  Agrostis scabra Frederick W. Oettinger 1969-9-4 1637 Siskiyou Marble Mtn. Wilderness Area, near water at outlet to Hancock Lake. 1890 Comment
  UC642585  Agrostis scabra Jason Swallen 1939-6-30 13560 Siskiyou MacBride Springs 1524 Comment
  SEINET3917201  Agrostis stolonifera J. P. Smith, Steve Selva 1970-8-8 4554 Siskiyou Juanita Lake.; 0 Comment
  UCD53525  Agrostis stolonifera A. A. Heller 1920-8-11 13509 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  UC618871  Agrostis variabilis W. Bridge Cooke 1938-9-17 11682 Siskiyou Horse Camp Mount Shasta, Horse Camp Comment
  UCD55716  Aira caryophyllea A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3615 Siskiyou 11 miles north of Happy Camp, road to Grants Pass, banks of Indian Creek. Comment
  CAS-BOT-BC267064  Alisma W. R. Ernst 1958-8-8 284 Siskiyou Grass Lake area, about 32 miles S of Oregon state line on Highway 97 Comment
  RSA170193  Alisma triviale W. L. Jepson 1914-8-10 5749 Siskiyou Upper Fall River Valley. 1037 Comment
  CAS-BOT-BC459429  Allium acuminatum Lillian Mott 1976-7-4 20 LM76 Siskiyou Cook and Green Pass Road north of Seiad Valley at waterfall 1463 Comment
  HSC75124  Allium amplectens J. P. Smith, Thomas W. Nelson 1979-6-16 10144 Siskiyou Klamath National Forest, along USFS Rd. 40N03 0.3 mi. from its junction with SR 3, 2.72 mi. from county line 1463 Comment
  POM110209  Allium amplectens Geo D. Butler 1910-5-17 1358 Siskiyou Damp land near Yreka. Comment
  HSC45484  Allium bolanderi var. bolanderi Maralyn O'Meara 1974-5-25 431 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC357193  Allium bolanderi var. bolanderi Geo. D. Butler 1908-6-29 113 Siskiyou near Oro Fino Comment
  HSC77343  Allium bolanderi var. bolanderi L. P. Janeway 1983-6-26 347 Siskiyou Near USFS Rd. 18N33 0.74 mi. from Grayback Rd. 1006 Comment
  JEPS47600  Allium falcifolium W. L. Jepson 1902-7-17 2069 Siskiyou Devil's Backbone, on boundary between Humboldt and Trinity County Devil's Backbone 1828 Comment
  HSC65562  Allium falcifolium Rich White 1977-7-21 136 Siskiyou Between Preston Peak and Raspberry Lake 1814 Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  RSA237370  Allium siskiyouense Frederick W. Oettinger 1967-6-24 112 Siskiyou Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1222815  Allium siskiyouense Joseph P. Tracy 1951-6-16 19491 Siskiyou 3 mi s Oregon-California Line (within 200 yards of the stopping place, summit of the Siskiyous at the crossing of the Takilma-Happy Camp Road); Siskiyous Comment
  JEPS61507  Allium validum Willis L. Jepson 1894-8-4 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring 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
  CAS-BOT-BC453447  Allotropa virgata Wm. Bridge Cooke 1939-7-21 13737 Siskiyou Mount Shasta: Along the Wagon Camp-Horse Camp Trail 2133 Comment
  UC1408783  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1968-9-4 692 Siskiyou Abbots Lake outlet Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1722 Comment
  CAS-BOT-BC169641  Alnus rhombifolia C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Canyon, Shovel Creek Comment
  HSC36721  Alnus rhombifolia Brent Whitely 1975-7-5 140 Siskiyou 213 Comment
  JEPS58664  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou near Reeders; Shasta River 670 Comment
  UC1034619  Alnus rhombifolia Douglas Barbe 1955-6-27 5 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertagers' Mill); Klamath Mountains 975 Comment
  CAS-BOT-BC169385  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CAS-BOT-BC17200  Alyssum alyssoides Alice Eastwood 1923-5-23 11935 Siskiyou Cantara. S.P.R.R. Comment
  CDA376  Alyssum alyssoides G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2588 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  JEPS54309  Amaranthus hybridus Geo. D. Butler 1908-7-13 543 Siskiyou near Yreka ( garden on Butler's ranch) Comment
  UCD149840  Ambrosia trifida Harry A. George; William Anderson, Ed. O'Neill 1965-8-13 s.n. Siskiyou Lower Klamath National Wildlife Refuge. Comment
  CAS-BOT-BC142874  Amelanchier alnifolia var. semiintegrifolia Ira L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  NY418532  Amelanchier gracilis A. A. Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC4962  Amelanchier pallida J. O. Sawyer 1968-6-25 313 Siskiyou Along Horse Range Creek 1829 Comment
  RSA453149  Amelanchier pallida Bonnie C. Templeton 1960-6-21 8545 Siskiyou Edge of cienega, Scott Mts Comment
  CAS-BOT-BC136889  Amelanchier utahensis Dorothy Parker 1947-5-23 182 Siskiyou Northeast slopes of the Gazelle Mountains 1493 Comment
  CAS-BOT-BC136896  Amelanchier utahensis Mrs. H. P. Bracelin 1936-5-11 839 Siskiyou Mt. Eddy, about 6 miles N.W. of Mt. Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  JEPS94380 Image available Amelanchier utahensis Vernon Oswald and Lowell Ahart 1997-7-28 8793 Siskiyou se of Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  RSA0089948  Amsinckia menziesii var. menziesii L. Ahart 2005-6-9 12046 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  CAS-BOT-BC26778  Amsinckia propinqua Alice Eastwood 1912-7-20 1260 Siskiyou Hornbrook Comment
  RSA465170  Anagallis arvensis Edwin Kline 1920-6-24 14839 Siskiyou Siskiyou Mts. 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
  RSA34228  Anaphalis margaritacea C. B. Wolf 1927-8-27 1148 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  HSC4931  Anemone deltoidea J. O. Sawyer 1968-7-10 483 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC165942  Anemone deltoidea Geo. D. Butler 1910-7-9 1713 Siskiyou Marble Mtn 1676 Comment
  UC853524  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake; Marble Mtns Comment
  SEINET8664276  Anemone deltoidea W. Roderick 1967-7-23 s.n. Siskiyou O'Brien-Happy Camp Road, ca 15 miles from Happy Camp. 1219 Comment
  CAS-BOT-BC391859  Anemone drummondii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  UC1736533  Anemone drummondii Dean W. Taylor 1972-7-4 1606 Siskiyou near Lily Pad Lake, Cook and Green Pass region 1981 Comment
  HSC36950  Anemone lyallii J. P. Smith 1974-5-26 7588 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  SEINET12093424  Anemone lyallii H. P. Chandler 1901-1 1551 Siskiyou near Marble Mountain 1829 Comment
  CAS-BOT-BC391976  Anemone occidentalis G. J. Muth 1969-8-7 1227 Siskiyou Boulder Peak Ridge Comment
  HSC44994  Anemone occidentalis J. O. Sawyer 1978-6-16 3211 Siskiyou Marble Mtn. Wilderness Area slopes 1829 Comment
  RSA715493  Anemopsis californica L. Ahart, John Dittes 2005-6-9 12024 Siskiyou On the W side of a poor rock fence. About 280 yards E of where cattle water in the Shasta River. About 3/5 mile (air) S of Hwy 99/97 cutoff. About 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC94197  Anisocarpus madioides G. Fred Hrusa 1998-7-5 14694 Siskiyou Cedar Camp Rd., approx. 5 mi. E of Weitchpec on Hwy. 96. N side of Hwy Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  UC1222877  Antennaria howellii subsp. howellii Joseph P. Tracy 1950-7-20 19206 Siskiyou 5 mi se Elk Valley; Flint Valley 1432 Comment
  CAS-BOT-BC84792  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  JEPS82437  Antennaria rosea Gilbert Muth 1966-7-25 451 Siskiyou Marble Mt. Lookout; Marble Mt. Wilderness Area, Marble Mt. Lookout 2097 Comment
  UC34179  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS83420  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-2 363 Siskiyou 2.5 mi ne Highway 3 (Gazaeel-Callahan Road, e side of road); China Mt. Quad. (15', 1955) 1051 Comment
  JEPS60250  Antirrhinum vexillocalyculatum subsp. breweri L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2317 Siskiyou 15 mi from U.S. Hwy 99 and Gilman Road (off Gilman Road, on n side of the McCloud River arm of Lake Shasta); Lake Shasta, McCloud River 487 Comment
  JEPS49791  Apocynum androsaemifolium Geo. D. Butler 1908-8-1 76 Siskiyou Caldwell Ranch near Yreka Comment
  CHSC4712  Apocynum cannabinum R. Carter 1966-5-15 401 Siskiyou Ca. 5 mi. N of Callahan along W side of road on W side Scott R. 914 Comment
  JEPS55089  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Mountain Comment
  UC635102  Aquilegia formosa Dorothy Tebbe 1929-6-25 24 Siskiyou Mount Eddy Comment
  CDA24645  Arabis breweri Don Shaw, F. D. Horn 1978-3-1 Siskiyou Shasta River Canyon, Yreka. 0 Comment
  HSC39239  Arabis holboellii var. retrofracta J. P. Smith 1976-5-21 8764 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC74080  Arabis holboellii var. retrofracta J. P. Smith 1978-5-28 9954 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  HSC44946  Arabis holboellii var. retrofracta J. O. Sawyer 1978-6-18 3236 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  RSA78819  Arabis holboellii var. retrofracta P. A. Munz 1952-7-2 17897 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  HSC40066  Arabis oregana J. P. Smith 1973-5-5 6449 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC67751  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-21 3888 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  HSC35792  Arabis platysperma var. howellii J. O. Sawyer 1969-8-4 835 Siskiyou Slopes S of S Sugar Lake 2134 Comment
  RSA0129830  Arabis platysperma var. platysperma Frederick W. Oettinger 1968-8-5 412 Siskiyou Ridge between English Peak and Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  HSC46215  Arabis subpinnatifida Jennifer Whipple 1976-5-2 909 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS53187  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn Mountain Comment
  UC165958  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou near Yreka Comment
  HSC44491  Arabis subpinnatifida K. Irwin 1977-5-21 378 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 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
  SEINET2471351  Arceuthobium abietinum R. L. Mathiasen 2007-9-18 2007 -49 Siskiyou 41.6 km N. of St. Rte. 96 on forest road 15N01 1420 Comment
  RSA608669  Arceuthobium abietinum Louis C. Wheeler 1963-9-11 8384 Siskiyou Siskiyou Mountains: Dillon Creek, just N of hanging pond NE of Sawtooth Mountain. Comment
  SEINET1916096  Arceuthobium californicum R. L. Mathiasen 2005-1 2005 -36 Siskiyou 15.4 km NW of St. Rte. 96 on forest rd. 15 1100 Comment
  UC1037436  Arceuthobium campylopodum Douglas Barbe 1955-7-29 314 Siskiyou 3/4 mi e Scott Mtn Rd (on private rd to Big Carmen Lake); Scott Mtns 1706 Comment
  SEINET2140004  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -46 Siskiyou On trail to Eaton Lake, Russian Peak Wilderness Area. 1715 Comment
  UC1733831  Arctostaphylos Frank Gould 1940-5-15 1245 Siskiyou Bull Meadows; Goosenest Mountain 1828 Comment
  CAS-BOT-BC39007  Arctostaphylos klamathensis Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-5 s.n. Siskiyou Terrace Lake 1920 Comment
  CHSC81495  Arctostaphylos klamathensis Ann Willyard 2000-7-27 513 Siskiyou Scott Mountain, about 0.6 rd mi w of Scott Mountain campground, along Mule Creek Ridge, on the Klamath National Forest.UTM: 10 524359 E 4569675 N. 1676 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
  LA105198  Arctostaphylos manzanita Steve Morgan; 1987-7-28 sn Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta Comment
  UCD51964  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC39984  Arctostaphylos nevadensis Doris K. Kildale 1928-8-19 6540 Siskiyou Top of divide between Snglish Lake & hancock Lake on trail to Marbles. 2194 Comment
  CAS-BOT-BC40022  Arctostaphylos nevadensis John Thomas Howell 1939-8-3 14998 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC69555  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1291 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS66675  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackelford Creek 1676 Comment
  JEPS82470  Arctostaphylos nevadensis Gilbert Muth 1966-7-8 372 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC46453  Arctostaphylos patula C. Hart Merriam 1919-10-18 s.n. Siskiyou Baird Fish Hatchery, McCloud River. Comment
  CAS-BOT-BC46482  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  CAS-BOT-BC46498  Arctostaphylos patula Alice Eastwood 1912-7-19 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC46706  Arctostaphylos patula Howell 1889-4-13 1378 Siskiyou Near the Klamath River. Comment
  HSC69554  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1292 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC165732  Arctostaphylos patula Geo. D. Butler 1909-5-30 794 Siskiyou hills near Yreka Comment
  UC549424  Arctostaphylos patula R. H. Williams 1934-4-1 Siskiyou n slope of mt Mt. Bolwar, Scott River (hd of river) 1097 Comment
  UCD53416  Arctostaphylos patula A. T. Leiser 1973-3-22 D 2504 Siskiyou Dunsmuir. Comment
  SEINET5730645 Image available Arctostaphylos patula J. Maze 1971-1 728 Siskiyou Near Shasta City Airport; Shasta Comment
  UC852267  Arenaria congesta var. suffrutescens John Thomas Howell 1939-8-2 14916 Siskiyou Marble Mts., Spirit Lake 1828 Comment
  CDA34594  Arenaria kingii var. glabrescens M. Beyers, G. F. Hrusa 2010-8-18 706 Siskiyou Highway 3; +/- south of Callahan, just N of where Pacific Crest Trail intersects hwy. 1638 Comment
  CAS-BOT-BC384754  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood 1923-5-29 s.n. Siskiyou Cantara Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. 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
  CAS-BOT-BC82556  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 1005 Comment
  HSC46237  Arnica discoidea Jennifer Whipple 1976-7-13 1459 Siskiyou Mt. Eddy 2256 Comment
  HSC22130  Arnica diversifolia J. O. Sawyer 1969-7-18 1365 Siskiyou E of Waterdog Lake 2012 Comment
  HSC58902  Arnica diversifolia Marvin Butler 1971-8-11 289 Siskiyou Near El Capitan, close to the town of Cave Junction 1524 Comment
  CAS-BOT-BC82667  Arnica latifolia John Thomas Howell 1937-7-22 13269 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SD88324  Arnica latifolia Darley F. Howe 1972-7-6 4871 Siskiyou 1.4 miles south of Oregon State Line on road to Happy Camp 1645 Comment
  HSC65396  Arnica mollis Rich White 1978-7-3 203 Siskiyou 3/4 mile from Sawttoth Trail. Ridgetop near where Dillon Trail crosses Saddle 1768 Comment
  SBBG7592  Arnica mollis H. and M. Dearing 1948-9-12 6735 Siskiyou Mt Shasta 2316 Comment
  CAS-BOT-BC90059  Arnica nevadensis Harley P. Chandler 1901-6-1 1615 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC90090  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  CHSC65216  Arnica viscosa V. Parker; J. Cooper, M. Ulloa-Cruz, B. Dalleske, C. Crocker 1994-8-3 855 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Pvt. land. Where road crosses Panther Creek tributary SE of Gray Butte. 1950 Comment
  HSC30276  Artemisia douglasiana William J. Ferlatte 1971-9-18 1371 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC93762  Artemisia furcata K. T. Stillman 1976-7-9 220 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area 2133 Comment
  HSC22450  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1975 Siskiyou South of South Sugar Lake 2088 Comment
  UC1540017  Artemisia tridentata Roseberry 1936-5-19 39 Siskiyou 3/4 mi n Hippo Butte; Lava Beds National Monument 1463 Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  JEPS94848  Artemisia tridentata subsp. tridentata Vernon H. Oswald and Lowell Ahart 1998-9-16 9629 Siskiyou near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  UC922318  Aruncus dioicus var. pubescens Annie M. Alexander and Louise Kellogg 1949-7-24 5866 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC447713  Aruncus dioicus var. vulgaris Dorothy Parker 1947-5-31 188 Siskiyou Kidder Creek, Scott Valley 853 Comment
  CAS-BOT-BC447717  Aruncus dioicus var. vulgaris Doris K. Kildale; J. W. Gillespie 1929-6-22 8028 Siskiyou Boulder Creek, south of Dunsmuir on Pacific Highway Comment
  CAS-BOT-BC400702  Asarum hartwegii Wm. Bridge Cooke 1938-6-24 11105 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  SEINET7120959  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou Near Yreka Comment
  HSC23619  Aspidotis densa J. O. Sawyer 1969-7-24 1512 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC909315  Aspidotis densa Ira L. Wiggins 1950-5-28 12379 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  RSA47776  Aspidotis densa Roxana S. Ferris, Laura Lorraine 1948-6-16 11794 Siskiyou Scott Mountain Road south of Callahan Comment
  SEINET10757880  Aster brickellioides Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  CAS-BOT-BC178804  Astragalus californicus T. Howell 1889-5-12 s.n. Siskiyou Hornbrook Comment
  UC909322  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek East Fork Scott River drainage, Plowman's Valley, Rail Creek (Plowman's Valley, East Fork Scott River drainage) 1203 Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  CDA26645  Astragalus curvicarpus Vernon H. Oswald & Lowell Ahart 1998-6-11 9183 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  RSA415582  Astragalus lentiginosus var. platyphyllidius M. O'Mera 1974-5-27 485 Siskiyou Along road 47N03 1280 Comment
  SEINET7040265  Astragalus newberryi var. newberryi A. G. Vestal 1963-6-1 s.n. Siskiyou 3.6 miles northwest of Route 97 on road to Darnnell Reservoir. Southeast part of the Shasta Valley. 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
  RSA50193  Astragalus purshii var. lectulus E. K. Balls 1949-7-8 13911 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CHSC67491  Astragalus whitneyi var. siskiyouensis James D. Jokerst 1992-7-30 3428 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  JEPS82266  Astragalus whitneyi var. siskiyouensis Roger Raiche 1983-8-13 30596 Siskiyou summit area of Mt. Eddy 2743 Comment
  CAS-BOT-BC198716  Astragalus whitneyi var. siskiyouensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo summit, Trinity Mts. 1889 Comment
  RSA516373  Astragalus whitneyi var. siskiyouensis Barbara J. Ertter 1985-5-30 5758 Siskiyou 2.6 mi N of Scott Mt Summit on Hwy 3 SE of Callahan. 1402 Comment
  CAS-BOT-BC69574  Athyrium alpestre subsp. americanum C. G. Pringle 1882-8-29 s.n. Siskiyou Mount Shasta. 2438 Comment
  CAS-BOT-BC68750  Athyrium alpestre var. americanum Gilbert J. Muth 1969-8-7 1270 Siskiyou Boulder Peak Ridge 2468 Comment
  JEPS97805  Athyrium distentifolium R. Raiche and S. Winchester 1988-7-24 80265 Siskiyou above Upper Cliff lake; S Fork Sacramento R., Cedar Lake area Comment
  UC1190382  Athyrium distentifolium var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC185191  Athyrium distentifolium var. americanum Geo. D. Butler 1910-7-10 1738 Siskiyou Upper Campbell Lake 1676 Comment
  UC399394  Athyrium distentifolium var. americanum C. G. Pringle Sept. 1882 Siskiyou Mt Shasta Comment
  HSC973  Athyrium distentifolium var. americanum Dorothy Parker 1949-7-10 332 Siskiyou Green Meadow near Paradise Lake, Salmon Mtn. 1982 Comment
  UC371153  Athyrium filix-femina var. cyclosorum G. D. Butler 1908-8-4 244 Siskiyou Wooly Creek Cold Spring Camp Comment
  CAS-BOT-BC17617  Athysanus pusillus Alice Eastwood 1920-5-18 11820 Siskiyou Shasta Springs. Comment
  CHSC72232  Atriplex rosea Vernon H. Oswald; Lowell Ahart 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1243 Comment
  SEINET516139  Atriplex rosea Vernon H. Oswald 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1244 Comment
  RSA17743  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC44960  Barbarea orthoceras J. O. Sawyer 1978-6-16 3223 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC44617  Berberis aquifolium var. aquifolium Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  HSC73992  Berberis nervosa Gail Newton 1980-6-20 524 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC169474  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy, W of Sisson, on open southeastern gravelly and stony slope 1524 Comment
  CAS-BOT-BC169479  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove occurs in a swamp near the Mount Shasta High School 1097 Comment
  UCR64607  Betula occidentalis L. C. Wheeler 1934-6-27 02808 Siskiyou Siskiyou Mtns., Cottonwood Creek 976 Comment
Read comments
Feb 12 2013
  UC166584  Bidens cernua Geo. D. Butler 1908-9-20 501 Siskiyou near Shasta River (e of Yreka) Comment
  HSC27220  Bidens frondosa J. P. Smith, J. O. Sawyer 1971-9-18 4793 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. 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
  HSC30486  Bistorta bistortoides Frederick W. Oettinger, R. F. Thorne 1969-8-8 1286 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  POM31557  Blepharipappus scaber Geo. D. Butler 1909-4-14 590 Siskiyou Humbug Creek Comment
  CAS-BOT-BC16893  Boechera R. E. Frenkel 1964-7-14 677 Siskiyou In Panther Meadow campground near Mount Shasta. 2377 Comment
  RSA0125481  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  SBBG111487  Boechera J. M. Tucker 1963-7-7 3723 Siskiyou Marble Mtn Wilderness Area, vicinity of Paradise Lake at E base of King's Castle 1981 Comment
  CAS-BOT-BC16016  Boechera breweri subsp. breweri R. C. Barneby 1954-5-16 11505 Siskiyou Klamath River Canyon 9 miles upstream from Klamath River Post Office. 609 Comment
  CAS-BOT-BC16027  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13568 Siskiyou Salmon River Canyon. Between Big Flat and Caribou gulch. Comment
  JEPS53050  Boechera breweri subsp. breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  JEPS90245  Boechera paupercula Dean W. Taylor 1975-8-14 5356 Siskiyou between Shasta Ski Area and Green Butte (Mount Shasta); Mount Shasta 2590 Comment
  JEPS83576  Boechera platysperma Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9238 Siskiyou Porcupine Lake 1304 Comment
  UC61665  Boechera platysperma Geo. B. Grant Sep 1902 5097 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CAS-BOT-BC14670  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CHSC469  Boechera retrofracta M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 Comment
  UC171182  Boschniakia strobilacea unknown 1892-1 Siskiyou Sissons. Comment
  HSC4949  Boykinia major J. O. Sawyer 1968-7-23 581 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  JEPS83833  Boykinia major Wayne Roderick July 1978 Siskiyou vicinity Cook and Green Pass (near spring w of Pass); Siskiyou Mountains, vicin Cook and Green Pass 1463 Comment
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  HSC27675  Boykinia occidentalis Carl W. Mize 1972-6-8 34 Siskiyou Along main trail near Deer Lick Creek 351 Comment
  UCD102610  Boykinia occidentalis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-15 s.n. Siskiyou Forks of Salmon-Somes Bar. Klamath National Forest. Salmon River Road near Butter Creek. 265 Comment
  UCSC000152  Brodiaea coronaria I. J. Condit 2007-6-30 s.n. Siskiyou Sisson Comment
  UC337864  Brodiaea elegans subsp. elegans unknown 1889-7-26 Siskiyou Edgwood Comment
  HSC77235  Brodiaea elegans subsp. elegans L. P. Janeway 1983-7-17 428 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  JEPS69179  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffitt Creek Comment
  HSC100248  Bromus diandrus J. P. Smith, & J. O. Sawyer 2010-5-2 12800 Siskiyou River access road, on the Salmon River. 164 Comment
  JEPS69187  Bromus hordeaceus Geo. D. Butler 1909-6-5 825 Siskiyou meadow near Yreka Comment
  HSC9189  Bromus inermis R. C. Wunner 1965-8-14 419 Siskiyou Lava Beds National Monument, near Hovey Point, on road around point, 0.5 mi. from cottonwoods Comment
  HSC42894  Bromus orcuttianus Ken Stillman 1976-8-15 410 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC1145165  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou 3 air mi nw from mouth of Salmon River (Prospect Hill); Prospect Hill 1097 Comment
  UCD59251  Bromus orcuttianus R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up Mt. Shasta to Panther Meadow. 1219 Comment
  SEINET3923251  Bromus orcuttianus R. E. Frenkel 1963-7-13 227 Siskiyou On Everitt Memorial Hwy. 4.7 miles north of McCloud River RR crossing. Along both sides of road.; 0 1545 Comment
  HSC101710  Bromus sterilis J. P. Smith, J. O. Sawyer 2011-6-25 13258 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  SACT000751  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou chaparral Comment
  HSC30543  Bromus tectorum Frederick W. Oettinger 1969-8-18 1432 Siskiyou Marble Mtn. Wilderness Area, NE of Horse Range Lake 1860 Comment
  HSC9353  Bromus tectorum D. M. Thomson 1965-6-12 84 Siskiyou Lava Beds National Monument, Hovey Point Comment
  SEINET10515122  Bromus tectorum A. Arthur Heller 1916-6-20 Heller 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. The prevalent tree is Douglas fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. 1189 Comment
  HSC48285  Bromus vulgaris J. O. Sawyer, K. Stillman 1978-7-6 3302 Siskiyou Along Happy Camp-O'Brien Rd., above Louse Creek Comment
  UCD60229  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N of Happy Camp. Comment
  HSC27036  Calamagrostis breweri J. P. Smith, J. O. Sawyer 1972-9-14 5813 Siskiyou W of Little Duck Lake 2073 Comment
  UC1265421  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1653 Siskiyou below Tobacco Lake W Siskiyou County, Salmon Mountains, Marble Mountain Wildern (high lake basins in vicinity of English Peak) 1889 Comment
  HSC96316  Calamagrostis canadensis var. langsdorffii Gordon Leppig, J. Kalt 1996-7-9 385 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC22197  Calamagrostis koelerioides J. O. Sawyer 1968-7-9 419 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC30642  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake, NW of Horse's Hole Pond 1921 Comment
  SEINET3924380  Calamagrostis koelerioides Jennifer J. Whipple 1976-9-3 1775 Siskiyou Weed quad. Scree slopes near Little Crater Lake.; 0 2195 Comment
  CAS-BOT-BC112320  Calliscirpus criniger Ira L. Wiggins 1955-7-27 13553 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC85729  Calocedrus decurrens Doris K. Kildale 1927-11-28 4234 Siskiyou Quartz Valley, Scott River Comment
  CAS-BOT-BC85746  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC85774  Calocedrus decurrens David D. Keck 1949-7-20 6371 Siskiyou 3 miles N.E. of Ft. Jones on westerly slope of mountians. Comment
  HSC1291  Calocedrus decurrens R. C. Wunner 1965-8-23 474 Siskiyou Lava Beds National Monument, along Tichner Rd. 2 mi. S of Mammoth Crater 1555 Comment
  HSC36735  Calocedrus decurrens Brent Whitely 1975-6-21 13 Siskiyou 223 Comment
  RSA12603  Calocedrus decurrens C. B. Wolf 1934-7-6 5983 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  RSA12708  Calocedrus decurrens C. B. Wolf, E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds, 14.3 miles northeast of Fall River on road from Dana to Little Hot Springs Valley 1220 Comment
  SEINET13289850 Image available Calocedrus decurrens D. K. Bailey 1972-1 72 -36 Siskiyou Happy Camp, 7 mi. NW Comment
  UC922507  Calochortus coeruleus Annie M. Alexander and Louise Kellogg 1949-7-21 5823 Siskiyou near Paradise Lake; Marble Mountains 1920 Comment
  UC375200  Calochortus elegans Geo. D. Butler 1910-5-1 1260 Siskiyou Humbug Mountain Comment
  SEINET8715954 Image available Calochortus elegans Unknown 1941-1 2429 Siskiyou Near Gunsight Peak, mountain west of Yreka Comment
  UCSB25086  Calochortus elegans Keefe, Joseph 1967-7-11 Siskiyou Near summit by Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  NY319580  Calochortus elegans var. oreophilus F. M. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles NE of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  UC160447  Calochortus nudus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC493094  Calochortus nudus Alice Eastwood 1921-7-24 10791 Siskiyou Castle Lake Comment
  JEPS105051  Calochortus persistens Dean W. Taylor 1996-7-7 15800 Siskiyou Gunsight Peak (about 5 air miles northwest of Yreka); Klamath National Forest 1859 Comment
  RSA237354  Calochortus tolmiei Frederick W. Oettinger 1967-6-24 120 Siskiyou Ridge near Etna Summit on road from Etna to Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  HSC58896  Caltha leptosepala Marvin Butler 1971-7-6 32 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  RSA788190  Calycadenia ciliosa R. L. Carr 1978-8-21 2159 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Rd. Comment
  JEPS103199  Calycadenia fremontii G. Schoolcraft 1995-7-19 2505 Siskiyou Wiley Ranch area 1158 Comment
  UC165963  Calycadenia truncata Geo. D. Butler 1910-7-30 1801 Siskiyou near Comment
  UCD129884  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  RSA47140  Calycadenia truncata subsp. scabrella Doris K. Kildale 1925-9-6 1289 Siskiyou Somes Bar Comment
  CAS-BOT-BC272746  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  UC598748  Calyptridium umbellatum C. Hart Merriam 1898-1 Siskiyou Mount Shasta, Wagon Camp Wagon Camp; Mount Shasta, Wagon Camp Comment
Read comments
Sep 19 2006
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  UC852133  Calyptridium umbellatum John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  SEINET3992092  Camassia quamash Unknown 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  JEPS74475  Campanula prenanthoides W. J. Ferlatte 1966-8-3 267 Siskiyou between the campground and Carter's (along the South Fork of the Salmon River); Trinity Alps, South Fork of the Salmon River 1524 Comment
  SEINET10462933  Campanula prenanthoides Clifton 1978-7-6 CLIFTON 1927 Siskiyou NR OFFIELD MTN, FORKS OF SALMON QUAD. NR SOMES BAR 2700', GANITE SOIL 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
  SEINET10462859  Campanula prenanthoides Butler 1908-7-20 BUTLER 37 Siskiyou HEAD OF LONG GULCH NEAR YREKA Comment
  SEINET10463151  Campanula prenanthoides Young 1921-9-15 YOUNG s.n. Siskiyou Etna Mills Comment
  SEINET10463177  Campanula prenanthoides Heckard 1969-7-25 HECKARD 2313 Siskiyou NR FALL CREEK INN ALONG GILMAN RD., BTWN SACRAMENTO & MCCLOUD ARMS OF SHASTA LAKE, 1300 Comment
  SEINET10463226  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-7-15 Smith, Jr. 4340 Siskiyou KLAMATH NATL FOR., RD TO HAPPY CAMP MIXED CONIFEROUS FOREST. T18N R7W SEC 25 NW 1/4 732 Comment
  SEINET10463313  Campanula prenanthoides Frank W. Peirson 1926-7-11 Peirson 7023 Siskiyou HALF WAY UP GRADE, GRADE W OF ETNA OR ETNA MILLS Comment
  SEINET10463361  Campanula prenanthoides Alice Eastwood 1922-10-18 Eastwood 11530 Siskiyou Shasta Springs Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  HSC91393  Campanula rotundifolia Jennifer Whipple 1976-7-24 1556 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  JEPS97192  Campanula rotundifolia Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95044 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UC803881  Campanula rotundifolia G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4022 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles w of Weed. 1219 Comment
  JEPS16325  Campanula scabrella Peter H. Raven 1956-9-4 10415 Siskiyou summit of Mount Eddy 2758 Comment
  SEINET10463395  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou Near deadfall, on the China Mountain quadrangle, close to the town of Mount Shasta 2341 Comment
  SEINET10463570  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou STREAMSIDE, NR. COPPER BUTTE, SEIAD V. QUAD. NR SEIAD V. 1414 Comment
  UC1258470  Campanula scouleri John Palmer 1980-8-12 751 Siskiyou road from Beaver Creek Road to Bearground Spring; Condry Mtn. Quad. 1341 Comment
  JEPS74417  Campanula wilkinsiana W. J. Ferlatte 1967-8-22 1099 Siskiyou Kidd Creek Trail; Trinity Alps 2133 Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  RSA211345  Campanula wilkinsiana William J. Ferlatte 1966-8-19 446 Siskiyou Kidd Creek Trail. 1829 Comment
  SEINET10463878  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou MT. SHASTA 2134 Comment
  SEINET10840063  Campanula wilkinsiana Ditomaso 1980-8-21 DITOMASO 1893 Siskiyou Open area nest to Kidd Creek, in Kedd Creek Meadows, Trinity Alps Primitive Area 2042 Comment
  SEINET10905984  Campanula wilkinsiana John G. Lemmon 1888-9-12 Lemmon s.n. Siskiyou Side of Mount Shasta Comment
  SEINET10972122  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou Creek bed near Red Cap 2438 Comment
  CAS-BOT-BC263278  Cardamine R. C. Wenk 2005-6-17 166 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  CAS-BOT-BC37312  Cardamine breweri Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  CDA3648  Cardaria draba T. C. Fuller 1962-5-17 8739 Siskiyou Behind El Ranch Motel, Yreka. 0 Comment
  CDA38722  Carduus acanthoides Tanya Chapple 2012-7-26 PDR# 470 P06027587 Siskiyou Dillon watershed, west of Dillon Mountain. Comment
  SD123686  Carex Robert T. Clausen, Harold Trapido 1940-7-27 4963 Siskiyou Southern Cascade Mountains; Sacramento River Basin; in volcanic dust in open woods 6.25 miles north-northeast of summit of Mt. Shasta. 1829 Comment
  HSC76854  Carex amplifolia L. P. Janeway 1982-6-27 27 Siskiyou Marshy area ca 125 m SE of Johnson Creek on the SW side of Elk Creek Trail. 732 Comment
  UC143808  Carex athrostachya Dr. E. B. Copeland 1903-9-7 3866 Siskiyou Mount Eddy 2133 Comment
  UC195519  Carex athrostachya Geo. D. Butler 1909-6-22 854 Siskiyou Goosenest foothills Comment
  HSC39102  Carex bolanderi D. H. Norris 1970-5-23 12234 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  JEPS25656  Carex bolanderi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7299 Siskiyou 4 air0line mi nne Preston Peak (just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  UCR52393  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt road c. 0.5 mi north of West Branch USFS Station. 671 Comment
  HSC76386  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  HSC96568  Carex echinata subsp. echinata Gordon Leppig, J. Kalt 1996-7-9 367 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC618860  Carex fracta W. Bridge Cooke 1938-6-24 11085 Siskiyou McBride Springs Mount Shasta 1524 Comment
  JEPS87798  Carex gigas Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city)); Gumboot Creek 1783 Comment
  CHSC106461  Carex hassei Peter F. Zika 2009-6-18 24535 Siskiyou Klamath Range (KR). Near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  SEINET12578598  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
  CAS-BOT-BC7599  Carex inops subsp. inops L. E. Smith 1913-4-29 s.n. Siskiyou McCloud 986 Comment
  CHSC82807  Carex inops subsp. inops L. P. Janeway 2002-7-13 7641 Siskiyou High Cascade Range. Along a logging spur road 0.2 km south-east of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. Visible along miles of Pilgrim Creek Road. 1347 Comment
  CAS-BOT-BC35477  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou meadow of Toad Well, road to Medicine Lake, ca. 12 mi. N of Bartle Comment
  SEINET7563154 Image available Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Abbott's Basin. 1905 Comment
  SEINET7563585 Image available Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou From Tom's Upper Pond to Tom's Lower Pond. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area. 2012 Comment
  HSC103611  Carex lanuginosa Thomas W. Nelson, Jane Nelson 1980-8-23 6317 Siskiyou At head of Mule Creek, just north of the Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  HSC29637  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou Marble Mtns. Wilderness Area, N side of Hancock Lake 2043 Comment
  POM81783  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  RSA237223  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD140484  Carex leptopoda John Thomas Howell 1939-8-3 14963 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC48041  Carex leptopoda D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  HSC38959  Carex luzulina J. O. Sawyer 1969-8-5 1759 Siskiyou W of Little Duck Lake 2073 Comment
  UCD140532  Carex luzulina Robert E. Preston 1996-7-24 984 Siskiyou 2 miles SE of Medicine Lake, at Paynes Springs. 2011 Comment
  UC1608360  Carex luzulina var. ablata J. Kierstead 1991-7-3 91 -93 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  CAS-BOT-BC31622  Carex luzulina var. luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  HSC29664  Carex mertensii Frederick W. Oettinger 1969-9-4 1650 Siskiyou Marble Mtn. Wilderness Area, dry meadow below Tobacco Lake 1890 Comment
  RSA550446  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  JEPS25658  Carex mertensii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7301 Siskiyou 4 air-line mi n-ne of Preston Peak (just e of Del Norte County line, in Twin Valley, Siskiyou Mountains, watershed of Indian Creek); Siskiyou Mountains, Twin Valley 1493 Comment
  CAS-BOT-BC31838  Carex microptera William Bridge Cooke 1939-7-21 13732 Siskiyou In small bog around lower Wagon Camp Springs. 1737 Comment
  CHSC96015  Carex multicaulis L. P. Janeway 2006-7-4 8800 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC97418  Carex multicaulis Jennifer Whipple 1976-6-12 983 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  RSA724913  Carex multicaulis L. P. Janeway 2006-7-2 8730 Siskiyou Klamath Ranges: Salmon Mountains; Near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  CDA33113  Carex multicaulis T. C. Fuller 1962-6-11 8963 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  SEINET10883334  Carex multicaulis David Castaner 1989-6-19 Castaner 10243 Siskiyou Trinity Creek campground. Along highway 3 by Trinity River. North Trinity Center. Comment
  CHSC40193  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou On ridge nw of Poker Flat (the Siskiyou crest). 1584 Comment
  CAS-BOT-BC32221  Carex multicostata B. Clear 1938-7-13 s.n. Siskiyou Manzanita Lake. Comment
  HSC69230  Carex multicostata Maralyn A. Renner 1980-9-1 2717 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC76849  Carex multicostata L. P. Janeway 1982-8-13 124 Siskiyou Along the Kelsey Trail 1738 Comment
  HSC76941  Carex multicostata K. T. Stillman 1976-8-15 261 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  HSC85797  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou Ridge NW of Poker Flat (the Siskiyou crest) 1585 Comment
  UC618742  Carex nervina J. W. Stacey 1938-7-15 11255 Siskiyou Wagon Camp Mount Shasta Comment
  CAS-BOT-BC119679  Carex nervina William Bridge Cooke 1939-6-23 13547 Siskiyou Spring creeks formed by upper Wagon Camp springs in upper spring area. 1737 Comment
  SEINET7568940 Image available Carex nigricans Unknown 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  CAS-BOT-BC119468  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  UC1002  Carex nudata C. B. Bradley 1879-1 Siskiyou Siskiyou County Comment
  UC822439  Carex pachystachya Louis C. Wheeler 1934-8-2 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. 2042 Comment
  RSA20485  Carex pellita L. S. Rose 1937-7-3 37393 Siskiyou Weed. 945 Comment
  CHSC86629  Carex praegracilis Jenny Marr 1993-7-1 12 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC118783  Carex preslii Fred D. Douthitt 1923-7-13 1 Siskiyou Dry Lake Mt. 2133 Comment
  CAS-BOT-BC118787  Carex preslii Rimo Bacigalupi 1959-7-10 7300 Siskiyou In meadow at Twin Valley, Siskiyou Mts., just E of Del North County line. 1493 Comment
  CAS-BOT-BC118792  Carex preslii William Bridge Cooke 1939-7-21 13730 Siskiyou In small bog around lower Wagon Camp Springs 1737 Comment
  CAS-BOT-BC118214  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, Along the Twin Valley-Poker Flat trail. 1676 Comment
  HSC103349  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7232 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  CHSC62596  Carex scopulorum var. bracteosa L. P. Janeway 1993-8-30 4562 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CDA33142  Carex scopulorum var. bracteosa Gordon Leppig, Jennifer Kalt 1996-7-9 388 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque west of Little Duck Lake. Comment
  CAS-BOT-BC117259  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2286 Comment
  UC835741  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  HSC30524  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Marble Mtn. Wilderness Area, slope SE of Abbott's Lake 1723 Comment
  HSC30658  Carex spectabilis Frederick W. Oettinger 1968-9-8 731 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Lake 2012 Comment
  RSA238930  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -b Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC39377  Carex straminiformis J. O. Sawyer 1969-8-5 1761 Siskiyou W of Little Duck Lake 2073 Comment
  UC836013  Carex straminiformis John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  RSA186337  Carex straminiformis Gilbert Muth 1966-10-16 26 Siskiyou Marble Mountains 1793 Comment
  CAS-BOT-BC115841  Carex subfusca Elmer Ivan Applegate 1895-5-28 780 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC115853  Carex subfusca Cyrus Guernsey Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC115857  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CAS-BOT-BC115164  Carex vesicaria Wilhelm Hillebrand s.n. Siskiyou Spragues River, E of Klamath Valley. Comment
  RSA783708  Carex viridula subsp. viridula Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest: along road 41N03, 3.3 mi from road 2H001. 1705 Comment
  JEPS95093  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 Comment
  SEINET4110863  Carex whitneyi D. W. Taylor 2005-1 19382 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  CAS-BOT-BC59705  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou N. side of White Mt., Siskiyou Mts. Mt. Diablo Mer. 1828 Comment
  HSC76762  Castilleja applegatei subsp. pallida K. T. Stillman 1976-9-9 493 Siskiyou Ridge above Paradise Lake Comment
  HSC97685  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane Nelson 2006-7-1 9453 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  JEPS23282  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lincoln Constance 1959-6-16 7149 Siskiyou 0.3 mi e Deadhorse summit (on State Highway 89) 1341 Comment
  JEPS45563  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-9 146 Siskiyou sw side Kangaroo Lake; Klamath Mountains, Scott Mountains 1828 Comment
  JEPS8024  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lincoln Constance, Joe Tracy et al. 1951-7-16 3452 Siskiyou along trail ascending Little Grayback from summit of the Takilma-happy Camp road; Little Grayback 1706 Comment
  LA209207  Castilleja applegatei subsp. pinetorum Alice Eastwood; 1939-7-14 13690 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  UC138771  Castilleja applegatei subsp. pinetorum Copeland 1903-8-14 3883 Siskiyou Sisson Comment
  UC642564  Castilleja applegatei subsp. pinetorum Alice Eastwood 1939-7-14 13693 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC922377  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1949-7-22 5845 Siskiyou trail to Kings Castle; Marble Mountains, Paradise Lake 2072 Comment
  UC1096789  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1694 Siskiyou 6 mi w Military Pass Rd. (along Brewer Creek, e slope of Mount Shasta); Mt. Shasta, Brewer Creek Comment
  UC1561055  Castilleja arachnoidea Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9022 Siskiyou near Yellowjacket Ice Cave (Medicine Lake highland); Upper Modoc Plateau 1798 Comment
  CAS-BOT-BC33680  Castilleja arachnoidea George Dexter Butler 1908-8-6 422 Siskiyou Summit between Marble Valley and West Fork of Wooly Creek Comment
  RSA165516  Castilleja arachnoidea Clare B. Hardham 1961-6-30 8029 Siskiyou Near Mud Springs. 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
  JEPS60243  Castilleja lacera L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2304 Siskiyou about 10 mi sw MacDoel (Bull Meadow on Ball Mountain Road); Bull Meadow 1584 Comment
  CAS-BOT-BC254115  Castilleja miniata Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  HSC22089  Castilleja miniata J. O. Sawyer 1969-8-4 1869 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  HSC69093  Castilleja miniata Maralyn A. Renner 1980-8-4 2224 Siskiyou Flint Valley 1390 Comment
  UC1190141  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC163709  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  CAS-BOT-BC254009  Castilleja miniata Doris K. Kildale No date on label 9027 Siskiyou White meadow, near Young's Valley, Preston Peak [?hail?] Comment
  SBBG6812  Castilleja miniata subsp. miniata H. and M. Dearing 1939-7-2 Siskiyou near Salmon Mtn Comment
  HSC74866  Castilleja pruinosa J. P. Smith, Jennifer Whipple 1978-7-2 9986 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC705595  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou nw of Yreka (w of Craggy Mountain) Comment
  UC922482  Castilleja pruinosa Annie M. Alexander and Louise Kellogg 1949-7-29 5898 Siskiyou above Sky High Lake (trail to Hidden Lake); Marble Mountains, Sky High Valley 1767 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
  SEINET3159250  Castilleja pruinosa G. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mtn. Comment
  JEPS84013  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 7 mi nne Seiad Valley (ca 0.5 mi se of Red Butte, sw of Cook and Green Pass, e of road) 1730 Comment
  UC164363  Castilleja tenuis Geo. D. Butler 1910-6-6 1461 Siskiyou Quartz Valley Comment
  SBBG116569  Ceanothus arcuatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near S Fk of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 Comment
  CAS-BOT-BC63604  Ceanothus integerrimus W. B. C. 1940-6-6 15030 Siskiyou Common along Castle Lake Rd. about half way from the Box Canyon to the lake. 1371 Comment
  HSC100194  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-5 13417 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  SBBG16396  Ceanothus integerrimus D. Myrick 1961-6-21 298 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  UC144555  Ceanothus integerrimus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Springs Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  SEINET5339318  Ceanothus integerrimus G. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  SEINET5339320  Ceanothus integerrimus G. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC53097  Ceanothus prostratus Wm. Bridge Cooke 1938-6-17 11015 Siskiyou Mount Shasta - Sisson Southern Trail 1371 Comment
  RSA23947  Ceanothus prostratus O. V. Matthews 1939-7-8 26 Siskiyou W of Seiad Gove, Kangaroo lMtn Forest Service Trail. Comment
  UCSB25037  Ceanothus prostratus Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 mi. southwest of city of Mt. Shasta. 1981 Comment
  CAS-BOT-BC63153  Ceanothus velutinus Alice Eastwood 1921-7-24 10772 Siskiyou Castle Lake. Comment
  RSA398977  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou open slopes S of Little Duck Lake 2134 Comment
  UC1299549  Ceanothus velutinus Freed W. Hoffman 1950-7-14 3257 Siskiyou Trail from Baldy Mountain to Clear Lake. Comment
  UCR47854  Ceanothus velutinus Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC52801  Ceanothus velutinus var. velutinus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. - Hilt Comment
  CAS-BOT-BC52806  Ceanothus velutinus var. velutinus Brandegee 2 Siskiyou Mt. Shasta Comment
  UC1362454  Ceanothus velutinus var. velutinus Frederick Karl Klein 1969-9-7 Siskiyou At intersection of Shasta National Forest road 40N25 and S. P. tracks 1295 Comment
  OBI56382  Centaurea diffusa Paul McCanna 1999-7-20 PDR 1128385 Siskiyou Vicinity of Yreka. T45N, R7w, Sect 21 BM: M Comment
  OBI4699  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou In adj lawn of ranch house and rangeland, W.H. Kerr, Flying K Ranch, upper Quartz Valley, 2 mi S of Mugginsville Comment
  UCD130114  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 b Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  CAS-BOT-BC106030  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Farmed areas and waste ground, 200 aggregate acres over 400 gross acres, Hawkinsville, just n. of Yreka Comment
  UCD130123  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  UC1727931  Centaurium Eva Grotkopp 1997-8-2 Siskiyou along Canal Gulch Rd. near Hawkinsville (near garbage dump, nw of Yreka,) 1000 Comment
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Oct 16 2014
  RSA381930  Cephalanthera austiniae M. B. Dunkle 1944-7-3 9069 Siskiyou Beaver Creek, Siskiyou National Forest. Sierra Nevada Comment
  CAS-BOT-BC384981  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53375 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  UC15100  Cercis occidentalis State Survey Aug 1862 1328 Siskiyou Shasta City; mountain Comment
  CAS-BOT-BC135448  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1934-4-20 1746 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC147686  Cercocarpus betuloides var. betuloides W. R. Dudley 1899-8-24 s.n. Siskiyou Grade up from Willow Creek, west of Gazelle Comment
  LA203125  Chaenactis douglasii var. douglasii Louis Wheeler; 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts 1280 Comment
  UC642590  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou between Squaw Valley Creek and Mud Creek Canyon 2895 Comment
  HSC60902  Chaenactis douglasii var. douglasii Al Hobart Siskiyou Black Butte Comment
  HSC81580  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-17 6090 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  RSA215647  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-7 1252 Siskiyou Boulder Peak Ridge. 2470 Comment
  SEINET7379869 Image available Chaenactis douglasii var. douglasii G. D. Butler 1910-6-17 1573 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  JEPS101368  Chaenactis suffrutescens Dean W. Taylor 1997-6-12 16051 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  UCD102288  Chamaebatiaria millefolium Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Between Tenant and Lava Beds Mational Monument. Tenant Lava Beds Road. 1660 Comment
  CAS-BOT-BC80491  Chamaecyparis nootkatensis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N.W. Siskiyou Co. 152 Comment
  JEPS24627  Chamaesaracha nana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6780 Siskiyou near beginning road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt Shasta); Mt. Shasta 1737 Comment
  UCD102286  Chamaesaracha nana Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Mount Shasta. Everett Memorial Highway to Mount Shasta. 2010 Comment
  JEPS9008  Chamaesyce ocellata subsp. ocellata W. L. Jepson 1914-8-13 6159 Siskiyou Dunsmuir 670 Comment
  SBBG28479  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Crk 670 Comment
  CAS-BOT-BC68215  Cheilanthes gracillima Louis C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley 8 mi. NE Gazelle 868 Comment
  SEINET3166359  Cheilanthes gracillima P. J. Alexander 2009-4-7 992 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  UC335137  Cheilanthes gracillima unknown Nov. 1891 Siskiyou near Sisson (Box Canyon) Comment
  UC71530  Cheilanthes gracillima Harley P. Chandler June, 1901 1614 Siskiyou ridges and meadows near Marble Mt; North Coast Ranges 2133 Comment
  RSA120811  Cheilanthes gracillima G. D. Barbe 1955-7-9 156 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  UCR143039  Cheilanthes intertexta L. C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley, 8 mi NE of Gazelle 869 Comment
  RSA238385  Chenopodium Frederick W. Oettinger 1969-8-14 1370 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  UC851002  Chenopodium album A. A. Heller 1915-8-24 12212 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  JEPS59738  Chenopodium botrys W. L. Jepson 1914-8-9 5742 Siskiyou McCloud 1036 Comment
  SEINET5764325 Image available Chenopodium botrys A. A. Heller 1916-1 12564 Siskiyou near Sisson 1074 Comment
  HSC4389  Chenopodium leptophyllum R. C. Wunner 1965-6-30 316 Siskiyou Lava Beds National Monument, at start of Symbol Bridge Trail. 1387 Comment
  UC851051  Chenopodium pumilio A. A. Heller 1915-8-24 12210 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC451436  Chimaphila menziesii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC73225  Chimaphila menziesii Gail Newton 1980-6-20 518 Siskiyou Near Bald Mtn. 1326 Comment
  HSC73224  Chimaphila umbellata Gail Newton 1980-6-20 519 Siskiyou Near Bald Mtn. 1326 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
  RSA127125  Chimaphila umbellata subsp. occidentalis I. L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  CAS-BOT-BC36377  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  CAS-BOT-BC36390  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp Comment
  JEPS37852  Chrysolepis chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou w side Salmon Mountain (along grade) 1524 Comment
  UC164452  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou Head of Russian Creek Comment
  UC637075  Chrysolepis chrysophylla var. chrysophylla Edward Lee 1934-8-13 1062 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch of Indian Creek (watershed of West Branch of Indian Creek) 1219 Comment
  OBI55421  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  CAS-BOT-BC36235  Chrysolepis sempervirens Wm. Bridge Cooke 1938-9-8 11645 Siskiyou North side of Red Butte, Mount Shasta 2468 Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  RSA476648  Chrysolepis sempervirens E. E. Stanford 1930-6-15 1580 Siskiyou 1 mile north of Dunsmuir. Comment
  UC711898  Chrysolepis sempervirens Roxana S. Ferris and Laura Lorraine 1941-8-11 10508 Siskiyou about 7 mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest Comment
  RSA300518  Chrysothamnus nauseosus subsp. albicaulis John Dourley, Walter Wisura 1982-10-16 3877 Siskiyou 11 mi NE of Weed along Hwy 97. 1280 Comment
  POM603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS43891  Circaea alpina subsp. pacifica Willis L. Jepson July 1894 14387 Siskiyou Sisson Comment
  CAS-BOT-BC278040  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  HSC5394  Cirsium cymosum R. C. Wunner 1965-6-29 308 Siskiyou 1/4 mi. above Indian Well Campground; California Lava Beds N.M. 1433 Comment
  CHSC114379  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-20 PDR 1466465 Siskiyou Copco Lake, Ager Beswick Road. Comment
  JEPS86289  Cirsium cymosum var. cymosum W. L. Jepson 1940-6-22 19977 Siskiyou near Hawkinsville; Shasta River 792 Comment
  UC1177351  Cirsium cymosum var. cymosum J. Thomas Howell 1952-6-14 28336 Siskiyou 2 mi from (on Fort Jones road) Yreka 807 Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  CAS-BOT-BC279882  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City Comment
  HSC70600  Cirsium douglasii var. breweri J. O. Sawyer, R. J. Cole 1981-7-2 4152 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CDA1274  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -A Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  SBBG18918  Cirsium occidentale var. candidissimum F. E. Clements 1918-1 Siskiyou 2 mi from Hornbrook Comment
  UCR70780  Cirsium pastoris L. C. Wheeler 1934-7-16 02908 Siskiyou Siskiyou Mtns, Oak Knoll Ranger Station, on Klamath River 671 Comment
  CDA1555  Cirsium remotifolium var. odontolepis D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Big Flat Campground, end of Coffee Creek Rd., Salmon- Trinity Primitive Area. Klamath National Forest Comment
  CAS-BOT-BC285894  Cirsium vulgare Doris K. Kildale 1928-7-1 5321 Siskiyou Forks of Salmon, Salmon River Comment
  UCR93364  Clarkia concinna Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  CAS-BOT-BC164165  Clarkia concinna Mrs. Dorothy Parker 1961-5-26 874 Siskiyou Dry rocky hillside near Cecilville Comment
  RSA120892  Clarkia cylindrica subsp. cylindrica Milo S. Baker 1957-6-16 15156 Siskiyou North Coast Ranges: Trip to Scott Mt. a few miles from turn off near Callahan Comment
  CAS-BOT-BC163455  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-22 45157 Siskiyou Walker, Klamath River 533 Comment
  UC1299417  Clarkia purpurea subsp. quadrivulnera Freed W. Hoffman 1948-7-7 2416 Siskiyou Callahan 1005 Comment
  CAS-BOT-BC163458  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1909-5-14 747 Siskiyou Klamath River Comment
  RSA789824  Clarkia rhomboidea Rebecca Wenk 2005-7-15 196 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. 2043 Comment
  UC163803  Claytonia cordifolia Geo. D. Butler 1908-8-8 65 Siskiyou Marble Valley on Marble Mt.; Marble Mt, Marble Valley Comment
  UC1223247  Claytonia cordifolia Joseph P. Tracy 1951-6-16 19460 Siskiyou n of Siskiyou Mountains summit of crossing (where small stream crosses road); Siskiyou Mountains Comment
  HSC103544  Claytonia palustris J. O. Sawyer 1970-7-4 2322 Siskiyou At Cedar Flat Cabin 1402 Comment
  CDA23956  Claytonia perfoliata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2595 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  SEINET7042820  Claytonia perfoliata A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  UCD100771  Claytonia perfoliata subsp. intermontana P. Quentin Tomich 1954-6-29 434 Siskiyou At mouth of cave. Caldwell Caves, Lava Beds National Monument. 1402 Comment
  RSA47998  Claytonia rubra Roxana S. Ferris 1948-6-12 11807 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  UC164031  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  HSC17713  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 138 Siskiyou Lava Beds National Monument, near top of Caldwell Butte on the NE side Comment
  SEINET5336423  Claytonia rubra subsp. rubra G. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  CDA23965  Claytonia saxosa G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2644 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  SEINET198900  Claytonia saxosa D. Parker 1947-3-30 Siskiyou Hartstrand Gulch E side of Scott Valley 866 Comment
  RSA464446  Claytonia sibirica M. B. Dunkle 1944-6-25 9003 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  JEPS100601  Claytonia umbellata Dean W. Taylor 1988-7-11 9974 Siskiyou headwaters of Eddy Creek; The Eddys, Trinity Mountains; The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  RSA96932  Clematis ligusticifolia Percy C. Everett, E. K. Balls 1954-10-12 20272 Siskiyou N of Walker along Beaver Creek, 3.8 miles S from Beaver Creek Forest Service camp Comment
  HSC67679  Clintonia uniflora John Palmer 1980-7-24 620 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC454411  Clintonia uniflora I. J. Condit July 1911 Siskiyou Sisson Comment
  CAS-BOT-BC500954  Clintonia uniflora Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains Comment
  HSC36717  Clintonia uniflora Brent Whiteley 1975-6-29 106 Siskiyou 976 Comment
  RSA68875  Clintonia uniflora A. E. Culbertson 1943-7-1 81 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  UCD123560  Collinsia linearis J. M. Tucker 1974-7-28 4326 Siskiyou Marble Mountain Wilderness Area, adjacent to Haypress Meadows. 1463 Comment
  JEPS74150  Collinsia linearis J. M. Tucker and L. K. Mann 1963-7-4 3691 Siskiyou ca 4.7 mi sw Etna (beside rd from Etna to Sawyer's Bar) Comment
  SEINET13395184  Collinsia parviflora B. Byrne 1941-4-10 s.n. Siskiyou Sugar Creek. Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UC166170  Collinsia parviflora Geo. D. Butler 1910-3-20 1133 Siskiyou hills near Yreka Comment
  POM43380  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley. Comment
  RSA237559  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  HSC19265  Collomia grandiflora J. O. Sawyer 1968-7-23 598 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  JEPS70999  Collomia grandiflora W. L. Jepson 1940-6-23 20025 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  POM75196  Collomia grandiflora Geo D. Butler 1910-5-19 1366 Siskiyou Yreka. Comment
  SEINET2445655  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mile South of Etna on State Route 3.; 0 914 Comment
  UC164012  Collomia heterophylla Geo. D. Butler 1910-6-4 1496 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC540702  Collomia tinctoria Dana York 2012-7-21 3131 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 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
  CHSC96012  Collomia tinctoria L. P. Janeway 2006-7-3 8762 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  JEPS104839  Collomia tinctoria Dean W. Taylor 1996-6-28 15750 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  RSA240080  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott's Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  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
  RSA237990  Collomia tracyi Frederick W. Oettinger 1969-7-11 982 Siskiyou Little Medicine Mountain, north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CDA26905  Colutea arborescens F. D. Horn 1980-8-22 Siskiyou Off freeway, I-5, Dunsmuir. 0 Comment
  UC1072721  Conium maculatum Douglas Barbe 1955-7-5 113 Siskiyou 1/2 mi n of Etna (on the middle Valley Road, Klamath Mountains); Klamath Mountains, Valley Road 883 Comment
  UC165248  Conium maculatum Geo. D. Butler 1909-6-26 924 Siskiyou near Yreka Comment
  CDA32137  Convolvulus arvensis M. Beyers, G. F. Hrusa 2010-8-18 693 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  POM21381  Convolvulus arvensis George B. Grant 1902-9-13 s.n. Siskiyou Sisson. Comment
  UC143609  Corallorhiza maculata Dr. E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy 1371 Comment
  HSC19041  Corallorhiza maculata J. O. Sawyer 1969-7-25 1554 Siskiyou SW facing slope S of High Lake 2149 Comment
  NY68299  Cordylanthus pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99. 2-3 miles N of Mount Shasta City. 1158.2 Comment
  JEPS74931  Cordylanthus tenuis subsp. pallescens T. I. and F. M. Chuang 1975-7-21 7546 Siskiyou near sw base Black Butte (along hwy 5) 1066 Comment
  CHSC110365  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service road 41N26, the Eddy Creek road, 0.6 miles above the junction with Old Stagecoach Road (study site 10). 1039 Comment
  JEPS16357  Cordylanthus tenuis subsp. viscidus Peter H. Raven 1956-9-5 10469 Siskiyou North Fork of Sacramento River 1371 Comment
  JEPS66516  Cordylanthus tenuis subsp. viscidus L. R. Heckard and T. I. Chuang 1971-8-15 2773 Siskiyou 1 mi s of downtown Dunsmuir (below freeway) 822 Comment
  RSA746515  Cordylanthus tenuis subsp. viscidus K. M. Meyer, A. Townesmith 2007-7-31 174 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  HSC23694  Cornus canadensis J. O. Sawyer 1969-8-5 1788 Siskiyou Along Sugar Creek. 1921 Comment
  HSC19033  Cornus canadensis J. O. Sawyer 1969-7-9 1113 Siskiyou NW facing lower slope above Duck Lake Creek. 1909 Comment
  CAS-BOT-BC212053  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  CAS-BOT-BC212057  Cornus nuttallii L. B. Kildale 1930-6-1 9824 Siskiyou Etna Mills Comment
  CAS-BOT-BC212065  Cornus nuttallii H. A. Thomas; J. H. Thomas 1954-7-21 4437 Siskiyou About 6 miles SE of Cecilville, west side of Rush Creek, Salmon-Trinity Mts. 1219 Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  UC705589  Cornus nuttallii Marion Ownbey and D. H. Brown 1941-6-22 2426 Siskiyou n.w. Yreka (on rd. between Craggy Mt. and Deadwood Lookout) Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  UCSB15565  Cornus nuttallii Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 18.1 miles northwest of Happy Camp; Siskiyou Mountains 1280 Comment
  CAS-BOT-BC210395  Cornus sericea Doris K. Kildale 1929-7-20 8747 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC210398  Cornus sericea A. A. Heller 1920-6-27 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC210405  Cornus sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  CAS-BOT-BC210408  Cornus sericea Doris K. Kildale 1928-8-19 6580 Siskiyou Hancock Lake on trail to Marble Mt. Comment
  CAS-BOT-BC210423  Cornus sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC210427  Cornus sericea Alice Eastwood 1921-7-24 10726 Siskiyou Castle Lake Comment
  HSC26907  Cornus sericea subsp. sericea J. P. Smith, J. O. Sawyer 1971-9-17 4789 Siskiyou Horse Range Creek drainage along road. Comment
  JEPS83889  Cornus sericea subsp. sericea Wayne Roderick August 1975 Siskiyou vicinity of Cook and Green Pass (w. of summit); Siskiyou Mts. 1463 Comment
  CAS-BOT-BC180199  Corylus cornuta subsp. californica D. E. Breedlove 1962-6-10 3296 Siskiyou along Indian Creek Road, 18.1 miles NW of Happy Camp, Siskiyou Mountains 1280 Comment
  SACT002823  Corylus rostrata var. californica G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River Comment
  RSA96961  Crataegus suksdorfii Percy C. Everett, E. K. Balls 1954-10-12 20275 Siskiyou along Klamath River, Hwy 96, 5.8 miles NW from Hamburg. 366 Comment
  UC581312  Crepis monticola G. L. Stebbins Jr. and J. A. Jenkins 1937-6-19 2442 Siskiyou about 1 mi n Scott River (2 mi below Quartz Valley); Wicks Ranch 900 Comment
  CDA4452  Crepis monticola Unknown May 1942 s.n. Siskiyou 0 Comment
  CAS-BOT-BC376558  Crepis occidentalis subsp. conjuncta Doris K. Kildale 1928-7-2 5374 Siskiyou Salmon Summit via Horn Creek trail Comment
  CAS-BOT-BC376563  Crepis occidentalis subsp. costata A. A. Heller 1905-6-19 8065 Siskiyou Along the railroad near Grenada station Comment
  UC581287  Crepis occidentalis subsp. pumila G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1939 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  CAS-BOT-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  HSC61805  Crepis pleurocarpa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC77287  Crepis pleurocarpa L. P. Janeway 1983-8-7 520 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  UCD77572  Crepis pleurocarpa Robert E. Preston 2002-7-12 1913 Siskiyou Klamath National Forest, Rainbow Mountain. 1913 Comment
  CAS-BOT-BC290882  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E White Mt. 1920 Comment
  SEINET7838867 Image available Crepis pleurocarpa G. D. Butler 1910-7-12 1758 Siskiyou Dry ridge, Shackleford Creek 1372 Comment
  CAS-BOT-BC299731  Crocidium Doris K. Kildale 1929-5-1 7834 Siskiyou Callahan Comment
  UC895377  Crocidium multicaule Louis C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek Siskiyou Mts., Mt. Diablo Meridian, Greenhorn Creek 853 Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  HSC19008  Cryptantha affinis J. O. Sawyer 1969-7-11 867 Siskiyou Ravine above C.C.C. road. 1280 Comment
  JEPS84098  Cryptantha affinis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6313 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  UC79409  Cryptantha flaccida Katharine Brandegee Jul 1887 Siskiyou Ager Comment
  UC726047  Cryptantha intermedia A. A. Heller 1938-7-12 15250 a Siskiyou 5 mi n Weed (along U.S. Highway 97) 1066 Comment
  RSA331956  Cryptogramma acrostichoides W. Wisura, Dave Kelly 1895-7-31 4080 Siskiyou Near Kangaroo Lake, Scotts Mtns, on granite rocks near campground. Comment
  CAS-BOT-BC70535  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80535  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.W. side [Goose Nest] Goosenest Mt., about 1 mi. due S. of Old Smith Sawmill on Montague to Mt. Hebron Road 1676 Comment
  CAS-BOT-BC80556  Cupressus bakeri O. V. Matthews 1939-7-3 21 Siskiyou S.E. of Sullivan Mine, Cook-Green Region, 3 mi. S. of Blue Ledge Mine 1219 Comment
  CAS-BOT-BC85601  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou N.E. Goose Nest Grove-Goose Nest Region 1828 Comment
  CAS-BOT-BC85606  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mi. N.E. of Timbered Crater on Old Stage Rd. from Dana to Little Hot Springs Valley 1219 Comment
  JEPS39746  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava beds, SE Siskiyou Co., W of Little Hot Springs Valley 1036 Comment
  NY16595  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards northeast of Quarry 1109.5 Comment
  NY16609  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  POM264954  Cupressus bakeri O. V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, Goose Nest Region 1524 Comment
  RSA22758  Cupressus bakeri O. V. Matthews 1939-7-22 40 Siskiyou North side of Lava Road 3.7 miles E of jct. with county road for Day 1220 Comment
  RSA22763  Cupressus bakeri O. V. Matthews 1939-7-13 33 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  CAS-BOT-BC80551  Cupressus bakeri Oliver V. Matthews July 22 40 Siskiyou From north side of Lava Road to Timbered Crater 1219 Comment
  HSC99962  Cupressus nootkatensis Michael Kauffmann 2011-7-8 17 Siskiyou Boundry Trail West of Kangaroo Peak. 1726 Comment
  UC164127  Cuscuta epithymum Geo. D. Butler 1908-7-10 1015 Siskiyou near Yreka Comment
  RSA292911  Cuscuta howelliana Reino Alava 1958-9-2 2392 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. Comment
  UC1045305  Cycladenia humilis var. humilis unknown 1940-8-22 15476 Siskiyou w. bank Mud Creek Canyon, Mt. Shasta Mt. Shasta, Mudd Creek Canyon Comment
  UC618828  Cycladenia humilis var. humilis unknown 1938-7-28 11380 Siskiyou ridge n. of Horse Camp (Mt. Shasta); Mt. Shasta Comment
  HSC66254  Cypripedium californicum Maralyn A. Renner 1980-7-4 1381 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC133745  Cypripedium californicum William R. Dudley 1899-7-5 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC1478233  Cystopteris fragilis G. D. Barbe, J. T. Howell, and T. C. Fuller 1980-4-29 2637 Siskiyou 3.2 km e of Callahan (ca. 150 m e of Highway 3 bridge, beside Callahan/Gazelle Rd) 976 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  UCD60487  Danthonia californica Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  RSA120219  Danthonia californica var. americana S. S. Tillett 1956-7-11 683 Siskiyou Meadows on both sides of Scott Mtn. divide near campground. Siskiyou-Trinity county line, ca. 8 miles SE of Callahan 1616 Comment
  UC618880  Danthonia intermedia W. Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows Mount Shasta Comment
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Jul 31 2010
  UCD61322  Danthonia unispicata Robert E. Preston 2002-6-20 1830 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1911 Comment
  CAS-BOT-BC76244  Darlingtonia californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  HSC66240  Darlingtonia californica Maralyn A. Renner 1980-8-6 2294 Siskiyou Cracker Meadow 1555 Comment
  JEPS11904  Darlingtonia californica Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4800 Siskiyou along road from Callahan to Carrville and Trinity Center 0.1 mi n summit of divide w of Scott Mt. (in swampy meadow, just n of Trinity-Siskiyou County line) 1615 Comment
  UC1094389  Darlingtonia californica Rimo C. Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou small, sloping bog at w margin Gumboot Lake (ca 6 mi due s of Mt. Eddy); head of the South Fork of the Sacramento River 1859 Comment
  UC909356  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou small bog on one side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  SEINET6647407  Darlingtonia californica E. McClintock, W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW Mt. Eddy 1829 Comment
  UCSB51238  Darlingtonia californica Almanza, Ed 1976-7-14 Siskiyou Castle Lake; Trinity Mountains 2407 Comment
  CAS-BOT-BC420666  Darmera peltata Doris K. Kildale 1928-7-3 5451 Siskiyou Little North Fork Salmon River Comment
  CHSC1571  Dasiphora fruticosa V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  HSC76908  Dasiphora fruticosa K. T. Stillman 1976-9-10 500 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  POM71157  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka. Comment
  CDA5359  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  HSC19076  Delphinium decorum subsp. tracyi J. O. Sawyer 1969-6-13 950 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS80529  Delphinium decorum subsp. tracyi Gilbert Muth 1966-7-17 407 Siskiyou Trail to Lookout, Marble Mt. Wilderness Area 1859 Comment
  CAS-BOT-BC8758  Delphinium glaucum M. B. Dunkle 1945-8-2 9272 Siskiyou Paradise Lake, Klamath National Forest 1828 Comment
  CAS-BOT-BC10145  Delphinium menziesii L. R. Short 1933-5-22 54 Siskiyou Klamath National Forest 609 Comment
  CAS-BOT-BC9884  Delphinium nudicaule George Dexter Butler 1910-5-7 1299 Siskiyou Near Yreka Comment
  CAS-BOT-BC116173  Delphinium nuttallianum Dorothy Inez Parker 1945-7-19 98 Siskiyou Bear Creek 1828 Comment
  RSA151975  Delphinium nuttallianum R. C. Bacigalupi 1952-6-17 3739 Siskiyou Trinity - Siskiyou County line. 500 ft above summit of Scott Mt. road, on county boundary. 1829 Comment
  UC642522  Deschampsia atropurpurea Jason Swallen 1939-8-24 13892 Siskiyou middle cascade portion Squaw Valley Creek; Mt. Shasta, Squaw Valley Creek Comment
  HSC39877  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  HSC86445  Deschampsia cespitosa D. K. Imper 1989-7-21 Siskiyou 8 mi. E of Somes Bar. 1372 Comment
  RSA239127  Deschampsia cespitosa subsp. cespitosa Frederick W. Oettinger 1969-8-11 1491 Siskiyou [meadow] near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  POM161562  Deschampsia danthonioides Geo D. Butler 1908-6-25 477 Siskiyou Yreka Creek Comment
  RSA184788  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along first bluff, Marble Mountains. 1829 Comment
  UC815232  Deschampsia danthonioides Louis C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 914 Comment
  UCD62397  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3434 Siskiyou 4 miles W of Hamburg. Comment
  UCD63530  Deschampsia elongata Beecher Crampton 1956-8-21 3812 Siskiyou Headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City, around Gumboot Lake. 1920 Comment
  CAS-BOT-BC39727  Descurainia Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountains. Above horse pasture. 1804 Comment
  CHSC33173  Descurainia pinnata subsp. halictorum R. E. Preston 1981-5-2 57 Siskiyou S side of Irongate Reservoir, ca. 32 km ne of Yreka. 732 Comment
  UC909337  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Callahan Ranger Station Scott River (banks of e fork of Scott River) 975 Comment
  UC922610  Dicentra formosa Annie M. Alexander and Louise Kellogg 1948-9-7 5595 Siskiyou Black Bear Summit road; Siskiyou Mountains Comment
  UCD114224  Dicentra formosa subsp. formosa John M. Tucker; D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA0028774  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  CDA17140  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  HSC36778  Dichelostemma capitatum subsp. capitatum J. P. Smith 1974-5-25 7428 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC44910  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6402 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SEINET10533983  Dichelostemma multiflorum A. Arthur Heller 1919-6-27 Heller 13275 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, 3800 feet, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Comment
  CAS-BOT-BC291026  Dieteria canescens var. shastensis John Thomas Howell 1939-8-4 15045 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  JEPS95372  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6457 Siskiyou ca 11 mi (air) ne of McCloud (FS 41N01Y at Elk Flat, ca 1 mi N of Pilgrim creek Rd (FS 13)) 1243 Comment
  UC86845  Dieteria canescens var. shastensis M. K. Curran July 1887 Siskiyou Edgewood Comment
  CAS-BOT-BC153652  Diplacus jepsonii Alice Eastwood 1921-7-29 10951 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153726  Diplacus nanus Clare B. Hardham 1961-6-30 8030 Siskiyou Mud Springs 1981 Comment
  SD53405  Dipsacus fullonum Darley F. Howe 1962-8-5 3398 Siskiyou 56.8 miles east of Happy Camp on #96, Bank of Klamath River. 609 Comment
  HSC19142  Dodecatheon alpinum J. O. Sawyer 1969-7-16 1141 Siskiyou W of Waterdog Lake 2073 Comment
  UC165293  Dodecatheon hendersonii Geo. D. Butler 1910-4-23 1230 Siskiyou Quartz Valley Comment
  HSC65344  Dodecatheon jeffreyi Rich White 1978-7-3 210 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC81528  Dodecatheon jeffreyi Thomas W. Nelson, Jane P. Nelson 1980-7-20 6181 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  SEINET3163991  Dodecatheon jeffreyi G. D. Butler 1910-6-5 1522 Siskiyou Loy Lake; Shackleford Creek Comment
  POM78431  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  JEPS108465  Downingia pulcherrima Lisa Schultheis 1995-6-28 236 -95 Siskiyou Outside of Weed. Trailer Lane, just W of ramp to I-5 S. Comment
  RSA237373  Draba howellii Frederick W. Oettinger 1968-8-4 385 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41237  Draba nemorosa George Dexter Butler 1910-4-10 1162 Siskiyou Near Yreka. Comment
  CAS-BOT-BC41317  Draba pterosperma W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak. Comment
  UC722619  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5302 Siskiyou n. side of Black Mt. near Marble Mt. (King's Castle); Black Mt. 2072 Comment
  CDA16143  Draba verna G. F. Hrusa 1999-4-2 14933 Siskiyou Cascade Range; Louise Rd exit off I-5 on Louise Rd east turnout. 822 Comment
  CAS-BOT-BC41414  Draba verna George Dexter Butler 1910-3-24 1143 Siskiyou Shasta River hills. Comment
  CHSC36124  Draba verna var. verna K. Bridwell 1978-4-14 76 Siskiyou 1 block s of Weed Airport, along Hwy 5, ca. 3 mi n of Weed. 609 Comment
  UC375383  Drymocallis Geo. D. Butler 1908-8-5 348 Siskiyou summit above Cold Spring; Woolly Creek, summit above Cold Spring Comment
  HSC86529  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC76866  Drymocallis lactea var. lactea K. T. Stillman 1976-9-9 476 Siskiyou Marble Mtn. Wilderness Area; N and NE side of Black Mtn. Comment
  HSC90600  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-23 1106 Siskiyou Mt. Eddy, E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  CAS-BOT-BC158413  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1938-8-23 11570 Siskiyou Shastina, Mt. Shasta 2743 Comment
  CAS-BOT-BC158417  Drymocallis rhomboidea G. P. Rixford s.n. Siskiyou South side of [Shaft-rock] Shaft Rock Mt., Hilt Comment
  HSC29656  Drymocallis rhomboidea Frederick W. Oettinger, R. F. Thorne 1969-8-5 1209 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake trail 1677 Comment
  UCD169261  Elaeagnus angustifolia T. Bruchman 1978-7-1 299 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CHSC91241  Eleocharis parishii Lowell Ahart; John Dittes 2005-6-10 12096 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC112693  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek. 1036 Comment
  CAS-BOT-BC112697  Eleocharis parishii Martin Simon Jussel 1936-7-3 s.n. Siskiyou Dunsmuir. Comment
  CHSC106104  Elodea canadensis Lowell Ahart; John Dittes 2010-7-30 16964 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC213783  Elymus X hansenii Wm. Bridge Cooke 1938-7-15 11227 Siskiyou Above Bear Springs. 1676 Comment
  UC1037162  Elymus X hansenii Leo Whitney 1935-7-15 3472 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UCD61279  Elymus aristatus L. Whitney 1935-7-15 3470 Siskiyou Near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  HSC100300  Elymus caput-medusae J. P. Smith, & J. O. Sawyer 2011-6-25 13259 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  SEINET10558319  Elymus condensatus H. E. Brown 1897-7-15 Brown 504 Siskiyou South side Mt. Shasta. 1524 Comment
  CAS-BOT-BC227923  Elymus elymoides L. E. Smith 1913-6-25 393 Siskiyou Montague Comment
  UC1024954  Elymus elymoides subsp. elymoides Leo Whitney 1935-6-25 3308 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UC1495300  Elymus elymoides subsp. elymoides Robert T. Clausen and Harold Trapido 1940-7-27 4971 Siskiyou w side of creek 5 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 1981 Comment
  HSC41817  Elymus elymoides var. elymoides Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  HSC58859  Elymus elymoides var. elymoides Marvin Butler 1971-7-28 218 Siskiyou Near Twin Lakes, close to the town of Cave Junction. 1585 Comment
  HSC48284  Elymus glaucus J. O. Sawyer, K. T. Stillman 1978-7-6 3303 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UCD62292  Elymus glaucus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3430 Siskiyou 13 miles east of Hamburg, banks of Klamath River. Comment
  RSA126910  Elymus glaucus H. S. Yates 1936-6-20 5807 Siskiyou Siskiyou Summit 1372 Comment
  CAS-BOT-BC206599  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  UCD62708  Elymus trachycaulus A. H. Murphy 1956-8-14 56 C Siskiyou Little Mill Creek Meadow, Klamath N. F. 2011 Comment
  HSC91442  Elymus trachycaulus subsp. trachycaulus Jennifer Whipple 1977-8-6 2210 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  POM228883  Elymus trachycaulus subsp. trachycaulus L. C. Wheeler 1935-6-30 3627 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA237650  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  CHSC88395  Epilobium brachycarpum Jenny Marr 1993-7-1 154 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC78307  Epilobium brachycarpum L. P. Janeway 1983-9-11 659 Siskiyou Poker Flat 1524 Comment
  JEPS43612  Epilobium brachycarpum Geo. D. Butler 1908-8-6 135 Siskiyou trail near Summit (se of Marble Mountain) 1828 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
  POM248137  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13701 Siskiyou Mouth of the Municipal spring above Howard, Mount Shasta 1280 Comment
  HSC207  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  JEPS25648  Epilobium hornemannii subsp. hornemannii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7288 Siskiyou beside rill Poker Flat 1536 Comment
  UC1408904  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou stream inlet into Hancock Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 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
  RSA458725  Epilobium obcordatum M. B. Dunkle 1945-1 9299 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  POM46473  Epilobium siskiyouense Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek. 1677 Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  CAS-BOT-BC58022  Equisetum Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan. 1005 Comment
  CAS-BOT-BC57805  Equisetum laevigatum D. E. Breedlove 1962-6-10 3333 Siskiyou On the n. bank of the Klamath River at its junction with Goff Creek, 4.5 mi. w. of Seiad. 411 Comment
  UC637177  Equisetum telmateia subsp. braunii Edward Lee 1934-8-11 1036 Siskiyou e end Seiad Valley (Walker Creek - a tributary of the Klamath River) 609 Comment
  CAS-BOT-BC204511  Eragrostis cilianensis Dorothy Parker 1949-7-24 85 Siskiyou Garden, McConahue Gulch, Scott Valley 914 Comment
  UCD63091  Eragrostis curvula Beecher Crampton 1969-6-19 8465 Siskiyou 3 miles south of Yreka, Interstate Hwy. 5 Southbound. Comment
  JEPS45874  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts., Oak Knoll Ranger Station, Klamath R. 670 Comment
  CHSC111279  Eragrostis minor R. E. Brainerd 2010-8-6 1734 Siskiyou Weed. South Davis Avenue ca. 200 feet south of the elementary school. UTM Zone 10 551712E 4586236N. 1082 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  HSC67821  Ericameria bloomeri J. O. Sawyer, J. Cole 1980-7-20 3772 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UC163915  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou old field near road n Goosenest Mountain Comment
  SFV8418  Ericameria bloomeri J. M. Tucker 1968-9-14 4143 Siskiyou State Highway 89, 7 miles east of McCloud. Comment
  HSC5325  Ericameria nauseosa D. M. Thomson 1965-7-31 160 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  SEINET5708360 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7705 Siskiyou Scott Mts., collected along road 17, 13.1 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2056 Comment
  CAS-BOT-BC294405  Ericameria parryi var. latior Geo. B. Grant 1902-9-9 5152 Siskiyou Sisson Comment
  HSC2269  Erigeron aliceae Geo. D. Butler 1910-7-8 1657 Siskiyou Shackleford Creek 1372 Comment
  HSC61779  Erigeron aliceae Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC31128  Erigeron aliceae J. O. Sawyer 1971-8-19 2455 Siskiyou 2012 Comment
  UCD131703  Erigeron bloomeri var. bloomeri J. M. Tucker; L. K. Mann 1963-8-18 3765 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  RSA238727  Erigeron cervinus Frederick W. Oettinger 1969-7-28 1080 Siskiyou WNW of and above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD131790  Erigeron compositus G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3254 Siskiyou 6 miles west of Gazelle. 1005 Comment
  CAS-BOT-BC300471  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava Beds Nat. Monument Comment
  HSC5515  Erigeron filifolius R. C. Wunner 1965-6-29 304 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  UC1324594  Erigeron filifolius W. B. and V. G. Cooke 1966-7-16 37217 Siskiyou shoulder of old logging road above Bolam Station; Mt. Shasta 1676 Comment
  UC1409441  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou summit of English Peak (in Red Fir Forest); Salmon Mountains,Marble Mountain Wilderness Area, High Lake 2228 Comment
  HSC69353  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-21 2578 Siskiyou Kidd Creek 2043 Comment
  CHSC105875  Erigeron inornatus var. inornatus J. K. Nelson; Eric White, Rhonda Posey, M. E. Colberg, S. Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. 2011 Comment
  CHSC71857  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1998-9-8 9609 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  UC163922  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou near Yreka (head of Long Gulch); Long Gulch Comment
  RSA93122  Erigeron inornatus var. inornatus F. W. Peirson 1923-7-20 3876 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  JEPS84307  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  JEPS84319  Erigeron klamathensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6367 a Siskiyou ca 7 mi nne of Seiad Valley, w of Cook and Green Pass. ca 1900 m. ca .5 mi e Red Butte summit Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  RSA211199  Erigeron peregrinus subsp. callianthemus William J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  JEPS109704  Erigeron petrophilus var. viscidulus Dean W. Taylor 2002-7-20 18266 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  RSA126294  Erigeron philadelphicus I. L. Wiggins 1955-7-25 13506 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1006 Comment
  UC31542  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC248836  Eriogonum compositum var. compositum D. E. Breedlove 1962-6-11 3344 Siskiyou 7.4 miles south-west of Scott Bar 624 Comment
  UC796516  Eriogonum compositum var. compositum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11763 Siskiyou 1 mi n Callahan; east fork of Scott River Comment
  CAS-BOT-BC242530  Eriogonum congdonii Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd. 40N64, headwaters of Middle Fork of upper Sacramento River 2051 Comment
  HSC39820  Eriogonum diclinum J. O. Sawyer 1969-8-1 1683 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SEINET4855037  Eriogonum diclinum Louis C. Wheeler 1934-9-1 75542 Siskiyou Klamath Forest, Jaynes Canyon. 1951 Comment
  JEPS74481  Eriogonum elatum var. elatum W. J. Ferlatte 1966-8-2 214 Siskiyou wooded area near public camp; Trinity Alps, Big Flat 1524 Comment
  CAS-BOT-BC255758  Eriogonum elatum var. villosum L. R. Abrams 1922-8-6 9907 Siskiyou Between summit and Hornbrook Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  CAS-BOT-BC261219  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou North of West Branch Camp, Waldo-Happy Camp Road Comment
  CAS-BOT-BC259364  Eriogonum lobbii Clare B. Hardham 1965-8-20 13033 Siskiyou Marble Mountains, Cudahy Lakes Comment
  CAS-BOT-BC419707  Eriogonum marifolium Twyla Miller 2012-8-6 s.n. Siskiyou Mt. Shasta; adjacent to Everitt Memorial Highway near Panther Meadow Campground. Comment
  CAS-BOT-BC263189  Eriogonum marifolium var. cupulatum A. A. Heller 1914-8-28 11741 Siskiyou East side of Mt. Eddy 2194 Comment
  UC1483512  Eriogonum nudum var. nudum Maralyn A. Renner 1980-7-24 2119 Siskiyou about 1/4 mi sw, on Pacific Crest Trail Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1493 Comment
  RSA237756  Eriogonum nudum var. nudum Frederick W. Oettinger 1967-8-21 301 Siskiyou Along Pine Lake Trail. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  CAS-BOT-BC269742  Eriogonum nudum var. oblongifolium Lewis S. Rose 1945-6-19 45148 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC272466  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-14 2720 Siskiyou 3 miles south of Hornbrook 914 Comment
  CAS-BOT-BC272495  Eriogonum nudum var. pubiflorum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  JEPS40861  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  UC375313  Eriogonum nudum var. pubiflorum Geo. D. Butler 1908-7-5 213 Siskiyou near Yreka Comment
  UC61676  Eriogonum nudum var. pubiflorum Geo. B. Grant Sept. 1902 5137 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC272498  Eriogonum nudum var. pubiflorum V. June Wetherell 1961-8-9 491 Siskiyou Lava Beds National Monument Comment
  CHSC98694  Eriogonum ovalifolium var. eximium L. P. Janeway; B. Castro 2007-7-29 9136 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, on top of the northwest-trending shoulder. 2067 Comment
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Mar 28 2018
  SEINET204352  Eriogonum ovalifolium var. purpureum Fred W. Hoffman 1948-7-12 2616 Siskiyou 2 miles west of junction of Little Shasta Road with Mt. Hebron Road. Comment
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May 8 2018
  UC618620  Eriogonum pyrolifolium W. Bridge Cooke 1938-8-18 11495 Siskiyou Horse Camp Slopes Mount Shasta, Horse Camp Slopes Comment
  JEPS56446  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou near Shackelford Creek; Quartz Valley Comment
  POM256463  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 442 Comment
  HSC43442  Eriogonum siskiyouense Jennifer Whipple 1976-9-3 1771 Siskiyou Near Little Crater Lake 2195 Comment
  RSA82757  Eriogonum spergulinum var. reddingianum J. M. Tucker 1950-7-24 1955 Siskiyou Roadside, in volcanic sanda at Ash Creek crossing on the Military Rd., east side of Mt. Shasta. Comment
  SEINET13761715  Eriogonum sphaerocephalum var. halimioides R. R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road, E of Hilt. 902 Comment
  HSC40981  Eriogonum strictum var. greenei J. O. Sawyer 1975-7-15 2697 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  SEINET3160080  Eriogonum strictum var. proliferum G. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  HSC69549  Eriogonum ternatum Maralyn A. Renner 1980-8-4 2233 Siskiyou Ridge near FS 15N01 about 1 mi. N of Flint Valley 1494 Comment
  CAS-BOT-BC267955  Eriogonum umbellatum Doris K. Kildale 1929-8-23 9055 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  HSC60823  Eriogonum umbellatum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UCSB25088  Eriogonum umbellatum Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  HSC43413  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-31 350 Siskiyou Marble Mountain Wilderness Area: N from Black Mtn. towards Jump off point. 210 Comment
  POM165272  Eriogonum umbellatum var. argus C. F. Baker 1903-9-7 3970 Siskiyou Mt. Eddy. Comment
  JEPS56182  Eriogonum umbellatum var. dumosum J. G. Lemmon 1889-6-28 Siskiyou near Edgewood Comment
  RSA420693  Eriogonum umbellatum var. dumosum Louis C. Wheeler 1934-6-22 2759 Siskiyou Dry sunny hillside. Cotton Creek, Siskiyou Mts. 915 Comment
  CAS-BOT-BC267793  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  HSC96854  Eriogonum umbellatum var. goodmanii J. O. Sawyer 1968-9-10 684 Siskiyou Below Young's Meadow on Clear Creek 1402 Comment
  UC1185944  Eriogonum umbellatum var. modocense L. E. Detling 1950-6-10 6625 Siskiyou nr. Dry Gulch; Shasta R. Canyon 777 Comment
  CAS-BOT-BC265197  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  CAS-BOT-BC265203  Eriogonum umbellatum var. speciosum Dorothy Parker 1948-8-2 161 Siskiyou Along Etna Creek, 1-1 1/2 mi. from Etna, Scott Valley 896 Comment
  CHSC88553  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1700 Comment
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Sep 19 2011
  RSA165230  Eriogonum vimineum E. B. Copeland 1903-7-5 3538 Siskiyou Klamathon. Comment
  UC86007  Eriogonum vimineum T. S. Brandegee July 1887 Siskiyou Hornbrook Comment
  CAS-BOT-BC262384  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Creek 701 Comment
  JEPS19775  Eriophorum crinigerum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5953 Siskiyou Gumboot Lake South Fork of Sacramento River (springy bog at w end, headwaters of river, close to Trinity Co.) 1859 Comment
  UC1108531  Eriophorum crinigerum Ira L. Wiggins 1955-7-27 13553 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC535932  Eriophorum gracile Elmer I. Applegate 1895-5-28 770 Siskiyou 18th. crossing of Sacramento R. below Sisson Comment
  POM358071  Eriophyllum lanatum Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA106204  Eriophyllum lanatum var. achilleoides D. D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S of Grass Lake. Comment
  UC163891  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  UC195257  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-4 111 Siskiyou Mayten 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
  CAS-BOT-BC301706  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1952-7-3 17920 Siskiyou Fort Goff Public Camp, Klamath River 365 Comment
  CAS-BOT-BC301721  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle 1066 Comment
  CDA15577  Eriophyllum lanatum var. lanceolatum G. F. Hrusa 1998-7-5 14684 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Comment
  CHSC99704  Eriophyllum lanatum var. lanceolatum L. P. Janeway 2008-7-24 9486 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC25459  Eriophyllum lanatum var. lanceolatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5654 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  RSA166005  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City 1067 Comment
  JEPS83578  Eryngium alismifolium Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9246 Siskiyou White Deer Lake extreme n.e. Siskiyou Co., White Deer Lake 1508 Comment
  HSC74908  Erysimum capitatum var. capitatum J. P. Smith 1978-7-1 9958 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  RSA50152  Erysimum capitatum var. capitatum E. K. Balls 1949-7-10 13958 Siskiyou 8 miles from Sawyer s Bar on road to Cecilville. 793 Comment
  RSA211443  Erysimum capitatum var. perenne William J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps. 2470 Comment
  UC536687  Erysimum perenne D. H. Johnson and F. G. Palmer 1935-7-2 Siskiyou 12 mi nw Happy Camp; Poker Flat 1524 Comment
  CHSC31215  Erythranthe breweri M. S. Taylor 1980-7-8 3103 Siskiyou On nw side of Castle Lake. 1615 Comment
  POM109650  Erythronium californicum Geo D. Butler 1909-4-24 661 Siskiyou Quartz Valley. Comment
  JEPS96994  Erythronium grandiflorum var. pallidum Dean W. Taylor 1999-6-10 17254 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  UCSB24983  Erythronium klamathense Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  HSC67576  Eschscholzia californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5726 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  HSC92376  Eucephalus glabratus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  UC922320  Eucephalus tomentellus Annie M. Alexander and Louise Kellogg 1949-7-23 5854 Siskiyou Sky High Valley Marble Mountains, Paradise Valley 1920 Comment
  UC1034598  Euonymus occidentalis var. occidentalis Douglas Barbe 1955-6-30 60 Siskiyou 0.8 mi. n.w. Forest Camp (Etna, along Johnson Creek); Klamath Mts., Etna, Johnson Creek 944 Comment
  CDA35309  Euphorbia spathulata J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  JEPS81790  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n of Scott Mountain road summit 1615 Comment
  HSC2274  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Comment
  JEPS24018  Euthamia occidentalis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6879 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  CAS-BOT-BC418830  Fallopia japonica var. japonica T. C. Fuller 1968-8-1 17452 Siskiyou Corner of Siskiyou Ave. & Interstate 5 freeway Comment
  UCD65872  Festuca californica subsp. californica R. Tofsrud 1948-8-1 Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. 1219 Comment
  UCD65897  Festuca californica subsp. californica G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3266 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  CDA28209  Festuca elmeri D. Osterhandt, D. H. Shaw 1978-5-18 Siskiyou Fork of Salmon, Reforestation plantation. 0 Comment
  CAS-BOT-BC278721  Festuca idahoensis Wm. Bridge Cooke 1938-7-15 11217 Siskiyou Mount Shasta. Above Bear Spring Comment
  CAS-BOT-BC278739  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  RSA656726  Festuca idahoensis Barbara L. Wilson 1996-6-21 8153 Siskiyou Shasta-Trinity National Forest; Coonrod Flat, 1.4 miles straight east of Forest Service road 13 on Forest Service road 40N12. Comment
  UCR64442  Festuca pratensis L. C. Wheeler 1934-6-22 2750 Siskiyou Siskiyou Mtns., Cottonwood Creek 915 Comment
  UC723010  Festuca roemeri C. L. Hitchcock and J. S. Martin 1939-7-9 5321 Siskiyou 0.5 mi se Kings Castle; Marble Mts. 1828 Comment
  HSC78202  Floerkea proserpinacoides L. P. Janeway 1983-8-6 485 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  CAS-BOT-BC453507  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC455953  Fragaria chiloensis L. N. Lorenzen No date on label 3 Siskiyou Shasta Forest. Van Brennan Wells. 1440 Comment
  UC221671  Fragaria vesca H. E. Brown Jun 11 1897-Jun 16 1897 348 Siskiyou n side Mt. Shasta 1524 Comment
  SEINET6699530  Fragaria virginiana var. platypetala G. D. Butler 1910-5-10 1315 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  CAS-BOT-BC59983  Frangula purshiana G. B. Grant 2000-1-1 s.n. Siskiyou unspecified. 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-BC223580  Fraxinus latifolia G. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  HSC35064  Fritillaria affinis J. P. Smith 1974-5-25 7645 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS25566  Fritillaria atropurpurea Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7191 Siskiyou just e of Mount Shasta Ski Bowl Lodge (at upper end of Everitt Highway, Mount Shasta); Mount Shasta, Everitt Highway 2346 Comment
  CAS-BOT-BC502842  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain 1219 Comment
  RSA237918  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-18 575 Siskiyou Trail above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  UC1076048  Fritillaria pudica Herbert L. Mason 1947-5-17 14778 Siskiyou summit of Scott Mountain grade Scott Mountain Comment
  JEPS55684  Fritillaria recurva W. and M. Roderick 1961-6-28 Siskiyou n of Happy Camp (Indian Creek); Indian Creek Comment
  RSA367751  Fritillaria recurva J. P. Smith 1973-5-5 6471 Siskiyou Along Cook and Green Pass road. Comment
  CHSC91392  Galium aparine Lowell Ahart; John Dittes 2005-6-10 12091 Siskiyou Rocky hill, north of the rock fence, about 200 yards east 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
  HSC19299  Galium bifolium J. O. Sawyer 1969-7-1 969 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  UC1949249  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  HSC81666  Galium glabrescens subsp. glabrescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6076 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC94860  Galium glabrescens subsp. glabrescens R. C. Wenk 2005-7-20 352 Siskiyou National Forest Road 17, 1 mile down road to the north heading toward Mt. Shasta 2029 Comment
  UCSB17111  Galium glabrescens subsp. glabrescens Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  HSC23549  Galium triflorum J. O. Sawyer 1970-7-4 2320 Siskiyou S of Cedar Flat Cabin 1494 Comment
  HSC44379  Galium triflorum Maralyn O'Meara 1973-6-25 236 Siskiyou Music Creek 1463 Comment
  HSC68476  Galium triflorum Maralyn A. Renner 1980-6-26 1217 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC22459  Galium triflorum J. O. Sawyer 1968-7-10 491 Siskiyou 1768 Comment
  HSC36168  Galium triflorum Brent Whiteley 1975-6-28 69 Siskiyou 915 Comment
  CHSC75719  Garrya fremontii Vernon H. Oswald; Lowell Ahart 1999-7-5 9802 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn. 1158 Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UC1951262  Garrya fremontii Robert F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  UC876009  Garrya fremontii unknown 1941-6-11 16031 Siskiyou along Castle Lake Road Comment
  UCD35434  Garrya fremontii Beecher Crampton 1956-8-21 3835 Siskiyou Canyon of the south fork of the Sacramento River. 1524 Comment
  UCR219535  Garrya fremontii R. F. Thorne 1969-8-2 63348 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak, trail to upper English Lake along Salmon River 1159 Comment
  CDA38569  Garrya fremontii D. H. Shaw 1979-2-9 s.n. Siskiyou Near Somes Bar; Highway 96, Mile post 9.49. 0 Comment
  SFV5056  Garrya fremontii B. C. Templeton 1957-6-21 s. n. Siskiyou About 10 miles north of Callahan. Comment
  CAS-BOT-BC282596  Gastridium phleoides L. E. Smith 1915-5-1 s.n. Siskiyou Dunsmuir Comment
  HSC38129  Gaultheria humifusa J. O. Sawyer 1976-10-23 2826 Siskiyou W of Little Duck Lake Comment
  UC114767  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1956-7-19 30311 Siskiyou below Wagon Camp; Mt. Shasta Comment
  HSC16313  Gayophytum diffusum subsp. parviflorum D. M. Thomson 1965-6-19 97 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  RSA237853  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou Trailside above Willow Spring, English Lake Trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  POM355342  Gayophytum eriospermum M. B. Dunkle 1944-8-25 9177 Siskiyou Siskiyou National Forest 1829 Comment
  JEPS27519  Gayophytum heterozygum W. L. Jepson Jul 17 1902-Jul 22 1902 2102 Siskiyou The Devil's Backbone; w Siskiyou Co. 1828 Comment
  UCD103563  Gayophytum heterozygum J. M. Tucker 1950-7-24 1946 Siskiyou Outskirts of town of Mt. Shasta, beside Highway 99. Comment
  JEPS47042  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou McCloud River Comment
  UC70426  Gentiana calycosa Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  UCD77735  Gentiana calycosa Robert E. Preston 2002-7-14 1932 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1895 Comment
  RSA183726  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou On trail behind Black Mt., Marble Mountains. Comment
  CAS-BOT-BC217422  Gentiana setigera Wayne Roderick 1967-9-1 s.n. Siskiyou Growing around edges of Cedar Lake, w. of Mt. Shasta 1828 Comment
  SEINET202641  Gentianella amarella Unknown 1954-8-13 4798 Siskiyou 0.1 mile north of summit of divide west of Scott Mountain, along road from Callahan to Carrville and Trinity Center, just north of Trinity-Siskiyou County line. 1615 Comment
  JEPS93898  Glyceria borealis Vernon H. Oswald and Lowell Ahart 1998-7-21 9352 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on w side of Bray); Bray, Old State Highway 1417 Comment
  CAS-BOT-BC282849  Glyceria striata Doris K. Kildale 1929-7-21 8752 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  HSC31072  Glyceria striata Frederick W. Oettinger 1969-8-19 1468 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak, N of English Lake. 1860 Comment
  RSA239000  Glyceria striata Frederick W. Oettinger 1969-8-19 1468 Siskiyou Southwest of Arrow Peak, north of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC204798  Glyceria striata Geo. D. Butler 1910-7-14 1781 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC302673  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CHSC88403  Gnaphalium palustre Jenny Marr 1993-7-1 162 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC77418  Gnaphalium palustre L. P. Janeway 1983-9-11 664 Siskiyou Poker Flat 1524 Comment
  JEPS33998  Gnaphalium palustre Geo. D. Butler 1909-6-5 795 Siskiyou along creek near Yreka Comment
  CDA6026  Gnaphalium palustre T. C. Fuller 1962-8-3 9511 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  HSC42889  Goodyera oblongifolia K. T. Stillman 1976-8-15 403 Siskiyou Along Specimen Creek 915 Comment
  POM58287  Grindelia nana E. B. Copeland 1903-8-14 3884 Siskiyou Sisson. Comment
  CDA3427  Gypsophila paniculata Bill Huse 1953-7-29 Siskiyou Soil Conservation Yard at McDoel, Tule Lake. 0 Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  HSC22095  Hackelia bella J. O. Sawyer 1969-7-23 1437 Siskiyou N of Jackson Lake 2043 Comment
  CHSC96089  Hackelia micrantha L. P. Janeway 2006-7-3 8773 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  HSC61913  Hackelia micrantha Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC77083  Hackelia micrantha K. T. Stillman 1976-6-16 9 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS27124  Hackelia micrantha Lauramay T. Dempster 1961-7-1 1824 Siskiyou along ridge from Condry Peak to White Mountain Comment
  CAS-BOT-BC94460  Hackelia micrantha R. C. Wenk 2005-7-19 317 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  HSC625  Hackelia micrantha William J. Ferlatte 1966-7-7 212 Siskiyou NW side of Caribou Mtn. 1829 Comment
  POM215855  Hackelia micrantha L. C. Wheeler 1934-8-9 3077 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  JEPS84096  Hackelia setosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  POM254007  Hackelia setosa C. L. Hitchcock, J. S. Martin 1939-7-6 5220 Siskiyou On Takilma-Happy camp road. 1677 Comment
  JEPS25856  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  SBBG111489  Hastingsia alba J. M. Tucker, L. K. Mann 1963-7-7 3722 Siskiyou ca. 0.25 mi N of Paradise Lake, Marble Mtn Wilderness 1981 Comment
  POM208384  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mountains; Mt. Diablo Meridian 1524 Comment
  RSA237499  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Above Horse's Hole near Horse Range Lake . The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD132645  Hazardia whitneyi var. discoidea Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. 1941 Comment
  HSC62598  Helenium bigelovii Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC67878  Helenium bigelovii J. P. Smith, J. O. Sawyer 1973-8-14 7297 Siskiyou W shore of Campbell Lake 1768 Comment
  RSA183489  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  HSC68351  Helianthus annuus J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC305470  Helianthus annuus W. B. Cooke; V. G. Cooke 1974-8-20 49243 Siskiyou Memorial Highway, Mt. Shasta Comment
  UCD132902  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou near Yreka. Comment
  CAS-BOT-BC313468  Hemizonella minima Alice Eastwood 1912-7-17 1210 Siskiyou Sisson Comment
  UC134584  Hemizonella minima H. E. Brown June 1-10 1897 307 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  UC1096811  Hemizonella minima Milo S. Baker 1957-6-16 13109 Siskiyou Scott Mts. Comment
  SD136999  Hesperocyparis bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6169 Siskiyou Siskiyou Mountains, above west fork of Seiad Creek, 3/4 mile above forks of creek, south slope in red rock. 1160 Comment
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  CAS-BOT-BC311034  Heterotheca oregona var. compacta Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  JEPS31851  Heterotheca villosa var. minor Geo. D. Butler 1908-8-8 338 Siskiyou Marble Valley 1676 Comment
  RSA0062921  Heuchera cylindrica var. alpina E. K. Balls, P. C. Everett 1952-10-12 18180 Siskiyou 7.2 miles SW of boundary Lava Beds National Monument. Road from Indian Well Ranger Station to Tennant. 1311 Comment
  CAS-BOT-BC420702  Heuchera merriamii Ira L. Wiggins 1955-7-29 13581 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  HSC638  Heuchera merriamii William J. Ferlatte 1967-6-30 594 Siskiyou Josephine Lake basin 1677 Comment
  JEPS50862  Heuchera merriamii Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on El Capitan, Siskiyou Mountains, westernmost Siskiyou County); Siskiyou Mountains, El Capitan, just s of Youngs Valley 1828 Comment
  UC637118  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback 1859 Comment
  UCD102624  Heuchera merriamii J. M. Tucker 1963-8-19 3773 Siskiyou At the east base of Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC420733  Heuchera merriamii Gilbert Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  CAS-BOT-BC420737  Heuchera merriamii W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky peak of Foxtail Ridge Salmon Mts. Comment
  HSC68539  Heuchera micrantha Maralyn A. Renner 1980-6-25 1108 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  CDA25409  Heuchera micrantha var. pacifica F. D. Horn, D. L. Janssen 1978-5-17 Siskiyou Old Klamath River Highway, approximately 8 km east of Horse Creek. 0 Comment
  JEPS19799  Hieracium albiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 6019 Siskiyou between White Ridge and Scott Camp Ridge (about 11 mi sw of Mt. Shasta town, along road to Gumboot Lake); canyon of the South Fork of the Sacramento River 1219 Comment
  UC1408926  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou S slope trail down to Tobacco Lake from Lily Pond Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1920 Comment
  UC701259  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou El, Mt. Marble Mts., Elk Mt. Comment
  HSC92162  Hieracium bolanderi Jennifer Whipple 1976-7-24 1549 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  CAS-BOT-BC318547  Hieracium greenei Alice Eastwood 1912-8-30 2035 Siskiyou Mount Eddy Comment
  UC1408928  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou next basin e of Salamander Lake Basin; Abbot's Lake 1798 Comment
  CAS-BOT-BC315998  Hieracium nudicaule Wm. Bridge Cooke 1938-7-29 11407 Siskiyou Below Wagon Camp, Mount Shasta 1676 Comment
  CAS-BOT-BC316008  Hieracium nudicaule Lewis S. Rose 1937-7-25 37590 Siskiyou S. slope of Mt. Shasta 1767 Comment
  CAS-BOT-BC316027  Hieracium scouleri Elmer I. Applegate 1925-6-8 9425 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  RSA238752  Hieracium scouleri Frederick W. Oettinger 1969-8-6 1257 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC134363  Hieracium scouleri unknown 1892-6-28 Siskiyou Jaynesville Comment
  HSC39818  Hieracium triste J. O. Sawyer 1969-8-2 1726 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UCD133130  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta. 2407 Comment
  HSC36734  Holodiscus discolor Brent Whitely 1975-7-1 115 Siskiyou 671 Comment
  HSC69424  Holodiscus discolor John Palmer 1980-7-23 560 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  JEPS45038  Holodiscus discolor Geo. D. Butler 1908-7-19 494 Siskiyou Humbug Comment
  CAS-BOT-BC152365  Holodiscus discolor var. discolor L. R. Short 1933-6-16 39 Siskiyou Klamath River 609 Comment
  CAS-BOT-BC152368  Holodiscus discolor var. discolor Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  CAS-BOT-BC150135  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3873 Siskiyou Crest of Redshale Mountain, east side of Medicine Lake Comment
  CAS-BOT-BC150138  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 Comment
  CHSC91336  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
  POM208203  Hordeum murinum subsp. glaucum L. C. Wheeler 1934-6-16 2721 Siskiyou Ditch Creek, near Hornbrook; Siskiyou Mts., Mt. Diablo Mer. 823 Comment
  CAS-BOT-BC273496  Hordeum vulgare John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53378 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC143955  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  UC1096805  Horkelia daucifolia Milo S. Baker 1947-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan Comment
  UC485548  Horkelia daucifolia F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  UC54352  Horkelia daucifolia H. M. Hall and E. B. Babcock June, 1903 4085 Siskiyou near Edgewood; Sierra Nevada, Mt. Shasta 1158 Comment
  CAS-BOT-BC143946  Horkelia daucifolia J. P. Smith; T. W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 miles from its junction with State Route 3 1645 Comment
  CAS-BOT-BC143967  Horkelia daucifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53562 Siskiyou Yreka 822 Comment
  CHSC30905  Horkelia fusca subsp. parviflora M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 Siskiyou Yellow Pine plantation, ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  UCD113492  Horkelia fusca var. parviflora Robert E. Preston 2001-7-21 1701 Siskiyou Klamath National Forest, near south end of Antelope Creek Meadow. 1633 Comment
  CAS-BOT-BC514286  Horkelia fusca var. pseudocapitata A. A. Heller 1922-7-16 13718 Siskiyou Near Harris Spring E of Mt. Shasta Comment
  CAS-BOT-BC539431  Horkelia tridentata var. tridentata Wm. Bridge Cooke 1940-7-6 15097 Siskiyou Dry openings in pine woods along the Pacific Highway, US99, between Mount Shasta City and Black Butte Comment
  CAS-BOT-BC539440  Horkelia tridentata var. tridentata R. E. Frenkel 1964-7-14 687 Siskiyou At Howard near Mount Shasta 1219 Comment
  CAS-BOT-BC201120  Hosackia crassifolia Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  HSC103838  Hosackia crassifolia G. Fred Hrusa 1998-7-5 14702 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Mile 8.8 Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CHSC63336  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1994-7-11 6401 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  UC195204  Hulsea nana Annie M. Alexander and Louise Kellogg 1911-8-14 316 Siskiyou Mt. Eddy Comment
Read comments
1
  POM67032  Hymenoxys lemmonii Geo D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  HSC93047  Hypericum anagalloides Jennifer Whipple 1976-7-23 1526 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  SBBG4755  Hypericum anagalloides H. and M. Dearing 1939-7-1 3768 Siskiyou Etna Crk, W of Etna 1219 Comment
  POM86619  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  SBBG21909  Hypericum perforatum D. Myrick 1964-7-25 973 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  HSC29221  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Marble Mtn. Wilderness Area, mid-way between English Lake main camp & Sundew Bog due W of camp 1799 Comment
  CAS-BOT-BC88618  Idahoa scapigera L. E. Smith 1913-4-22 89 Siskiyou Yreka. Comment
  SD76181  Ipomopsis aggregata Helen V. Witham unknown 598 Siskiyou McBride Springs Road, Mt. Shasta. 1500 Comment
  UC602585  Ipomopsis aggregata W. Bridge Cooke 1938-8-21 11548 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CHSC65501  Ipomopsis aggregata subsp. formosissima Maria Ulloa-Cruz 1994-8-3 68 Siskiyou Shasta-Trinity National Forests. Mount Shasta Ranger District. West arm of Panther Creek. On slope next to road. 1800 Comment
  RSA181822  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -25 Siskiyou Grass Lake Comment
  UC1408886  Iris tenuissima F. W. Oettinger 1969-8-12 1332 Siskiyou near Yellow Dog Creek (w Siskiyou County); Salmon Mountains 914 Comment
  UC705594  Iris tenuissima Marion Ownbey and D. H. Brown 1941-6-22 2421 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  RSA136359  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21805 Siskiyou 1.4 mile west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1220 Comment
  RSA136363  Iris tenuissima Lee W. Lenz 1953-5-17 18314 Siskiyou 1 mile above junction of Salmon and Klamath Rivers on Klamath River 183 Comment
  CHSC32704  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  CDA37899  Isatis tinctoria J. L. Johnson 1980-7-1 s.n. Siskiyou Scott Valley. 0 Comment
  CHSC114666  Isatis tinctoria D. B. Joley 1976-6-24 Siskiyou Lake Siskiyou. Comment
  UCD115197  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  UC371168  Isoetes bolanderi G. D. Butler 1908-8-8 254 Siskiyou Wooly Creek 1524 Comment
  UC400940  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 C Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  UC185649  Ivesia gordonii Dr. E. B. Copeland 1903-8-18 3900 Siskiyou Mt. Eddy 2743 Comment
  SEINET8463956  Ivesia pickeringii D. W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains, West Fork Parks Creek (about 15 air miles West of Stewart Springs) Shasta-Trinity National Forest 1329 Comment
  UCD77266  Juncus balticus subsp. ater Robert E. Preston 2002-7-12 1904 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek 1652 Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC76933  Juncus drummondii K. T. Stillman 1976-8-8 397 Siskiyou Marble Mtn. Wilderness Area, trail from Jump off to Paradise Lake Comment
  JEPS84032  Juncus drummondii L. R. Heckard with J. Hickman et al. 1986-7-17 6532 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA238901  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou East shore of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC74840  Juncus effusus subsp. pacificus J. P. Smith, J. O. Sawyer 1978-7-3 10009 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS84035  Juncus ensifolius L. R. Heckard with J. Hickman et al. 1986-7-17 6529 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  HSC62454  Juncus ensifolius Ruby Van Deventer 1959-7-10 Siskiyou Twin Valley 1524 Comment
  RSA238915  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1266 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  JEPS94743  Juncus howellii Vernon H. Oswald and Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Road (USFS41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  CDA33214  Juncus howellii William J. Ferlatte 1987-7-7 2109 Siskiyou USFS Road 31, 1.6 miles east of McCloud River Railroad; Bear Springs area, near Mt. Shasta. 0 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  UCD141629  Juncus nevadensis J. M. Tucker 1950-7-23 1943 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  RSA238912  Juncus orthophyllus Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1299 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA299465  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UCSB63776  Juncus orthophyllus Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Kangaroo Lake Rd. (USFS 41N08); 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 4IN 10: T41N R7W ca. center Sect. 34 1554 Comment
  POM256459  Juncus tenuis Edward Lee 1934-8-11 1028 Siskiyou Walker Creek canyon, a tributary of the Klamath River (east end of Seiad Valley). 610 Comment
  CAS-BOT-BC279922  Juncus trilocularis Peter F. Zika 2009-8-16 24598 Siskiyou Forest Service Road 46N04, Cascade Range Highlands (CaRH) 1550 Comment
  UC618869  Juniperus communis unknown 1938-8-22 11599 Siskiyou s slope of Diller Canyon Mt. Shasta, Diller Canyon, Shastina (at the timberline and in the Pinus albicaulis forest on the n slopes of Shastina and Shasta) 2743 Comment
  CHSC25059  Juniperus occidentalis J. L. Wilson 1970-3-23 223 Siskiyou Along e side of Hwy. 7.6 mi n of Yreka on old Interstate 5, 1.5 mi s of intersection of Hwy 96 and Interstate 5. 670 Comment
  CHSC32823  Juniperus occidentalis Dirk Reith 1979-4-10 4 Siskiyou 10 mi wsw of Newell, 2 mi sw of Tule Lake, in Lava Beds Nat'l Monument. 1371 Comment
  HSC101732  Juniperus occidentalis Michael Kauffmann, Richard Moore 2013-5-27 14 Siskiyou Northwest of Sugar Lake, south-facing cirque in granite 2003 Comment
  UC1045241  Juniperus occidentalis unknown 1940-6-4 15007 Siskiyou near Bolam Road; Mount Shasta 1219 Comment
  CDA33311  Kalmia polifolia subsp. polifolia Gordon Leppig, T. LaBanca and L. Arguello 1997-6-27 497 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  HSC29325  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou High Lake Basins: NE side of the saddle between Tom's Lake Basin and Tobacco Lake Basin 1951 Comment
  POM67567  Kelloggia galioides Edward Palmer 1892-7-13 2504 Siskiyou Mt. Shasta and vicinity. Comment
  SBBG30547  Kelloggia galioides D. Myrick 1968-6-25 2023 B Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  CHSC72235  Kochia scoparia Vernon H. Oswald; Lowelll Ahart 1998-8-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  HSC75131  Koeleria macrantha J. P. Smith, Thomas W. Nelson 1979-6-16 10130 Siskiyou Along State Route 3, 4.4 mi. from the Scott Mtn. summit. 1220 Comment
  CAS-BOT-BC499656  Kopsiopsis strobilacea Thos. H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground north of Happy Camp on Indian Creek road 1219 Comment
  CAS-BOT-BC340373  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  CAS-BOT-BC340377  Kyhosia bolanderi John Thomas Howell 1939-8-9 15207 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS39005  Lagophylla ramosissima Geo. D. Butler 1908-7-22 296 Siskiyou near Yreka; Butler's Ranch Comment
  UC89209  Lagophylla ramosissima T. S. Brandegee 1884-7-1 Siskiyou Ager Comment
  OBI76917  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 272 Comment
  UC673249  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2898 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  UCD106396  Lathyrus nevadensis var. nevadensis A. A. Heller 1915-7-16 12091 Siskiyou North side of Mt. Eddy. 1524 Comment
  HSC42979  Lathyrus tracyi J. O. Sawyer, Ken Stillman 1976-5-29 2737 Siskiyou Along Specimen Creek 915 Comment
  UC1540009  Layia glandulosa M. Mitchell 1936-5-8 9 Siskiyou 1/2 mi ssw of Hospital Rock; Lava Beds National Monument 1242 Comment
  CAS-BOT-BC274356  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Klamath National Forest. Walker 518 Comment
  JEPS107391  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at 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
  UC61172  Lemna turionifera W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  CHSC3224  Lepidium campestre Virginia Hagaman 1966-5-14 180 Siskiyou McConnahue Gulch--4 1/2 miles east of Etna. Comment
  CHSC71567  Lepidium campestre Vernon H. Oswald; Lowell Ahart 1998-8-3 9404 Siskiyou Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  RSA45316  Lepidium campestre Dorothy Parker 1946-05 s.n. Siskiyou Plowman s Valley. 1128 Comment
  CAS-BOT-BC88859  Lepidium campestre R. E. Frenkel 1964-7-13 669 Siskiyou Just north of Everitt Memorial Highway at the sign marking Alice M. Zender Memorial Grove. 1371 Comment
  HSC64118  Lepidium campestre J. P. Smith 1973-5-5 6571 Siskiyou Etna 793 Comment
  CAS-BOT-BC89160  Lepidium draba A. A. Heller 1905-6-9 8006 Siskiyou Yreka. Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  RSA715768  Lepidium perfoliatum L. Ahart, John Dittes 2005-6-9 11998 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  SEINET7042818  Lepidium perfoliatum A. G. Vestal 1955-5-17 s.n. Siskiyou On a steep bare bank. 2.3 miles north of Yreka in the Shasta Valley. Hawkinsville quadrangle UTM Zone 10. 532221,E, 4623913mN Comment
  HSC17105  Leptosiphon harknessii L. C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek, Sterling Mtn. 1677 Comment
  JEPS53789  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek Comment
  UC10685  Lesquerella occidentalis subsp. occidentalis Harley P. Chandler June, 1901 1653 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC455815  Lessingia nemaclada I. J. Condit 1911-7-13 Siskiyou Dunsmuir Sacramento River Comment
  OBI53787  Lessingia nemaclada David J. Keil 1992-7-20 23471 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  POM56235  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  UC33169  Lessingia nemaclada Milo S. Baker 1893-8-17 Siskiyou Squaw Valley Mt. 1219 Comment
  CAS-BOT-BC58262  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  SEINET5336464  Lewisia cotyledon W. Roderick 1967-7-24 s.n. Siskiyou N of Seiad Valley. 1676 Comment
  JEPS96888  Lewisia cotyledon var. cotyledon Dean W. Taylor 1999-6-10 17253 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  CAS-BOT-BC444044  Lewisia cotyledon var. cotyledon Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake [Cuddihy Lakes] Comment
  CHSC30309  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake, in cliffs. 1767 Comment
  HSC29488  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  JEPS80491  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Marble Gap trail on flat above Marble Valley Marble Mt. Wilderness Area 1828 Comment
  UC7802  Lewisia leeana Harley P. Chandler June, 1901 1609 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2286 Comment
  UC1736066  Lewisia pygmaea Dean W. Taylor July 1975 4696 Siskiyou Shasta Ski Bowl at end of Everett Memorial Hwy. Mt. Shasta Comment
  SBBG30566  Leymus cinereus D. Myrick 1968-6-22 1997 Siskiyou northern part of Lava Beds Nat Monument near Tule Lake Nat Wildlife Refuge 1310 Comment
  HSC94095  Ligusticum apiifolium G. Fred Hrusa 1998-7-5 14689 Siskiyou Bear Creek Rd., 1/2 mi N of Hwy 96 and 10 mi SW of Happy Camp Comment
  RSA237214  Ligusticum californicum Frederick W. Oettinger 1968-8-3 381 Siskiyou Forest at Base Camp Meadow midway down Diamond Lake-Hancock Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET6633383  Ligusticum californicum J. M. Tucker 1963-1 3786 Siskiyou headwaters of Canyon Creek, ca. 1/2 mile northeast of Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  SFV8559  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. About 0.5 miles northeast of Marble Valley Guard Station. 1921 Comment
  CAS-BOT-BC130816  Lilium pardalinum W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klinks Meadow Comment
  RSA78677  Lilium pardalinum Philip A. Munz 1952-7-2 17870 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains 1220 Comment
  HSC2242  Lilium pardalinum subsp. vollmeri Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  CHSC2296  Lilium rubescens V. Holt 1932-7-3 Siskiyou Castle Creek. 914 Comment
  CAS-BOT-BC133019  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-4 5546 Siskiyou Etna Creek, on road from Sawyers Bar to Etna Comment
  UC164043  Lilium washingtonianum subsp. purpurascens Geo. D. Butler 1908-7-12 1113 Siskiyou Humbug Mountain Comment
  UC61185  Lilium washingtonianum subsp. washingtonianum W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC133105  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3 1/2 miles northeast of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC133108  Lilium washingtonianum subsp. washingtonianum Wayne Roderick 1967-7-28 s.n. Siskiyou Southwest side of Mt. Shasta, type locality 1371 Comment
  CAS-BOT-BC123090  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  CAS-BOT-BC26045  Lilium wigginsii L. Beane; Albert M. Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99 Comment
  UC164132  Linanthus bolanderi Geo. D. Butler 1910-4-14 1172 Siskiyou Yreka Comment
  UC1540248  Linanthus harknessii Dean W. Taylor 1987-6-24 9050 Siskiyou vicinity Mud Well 1371 Comment
  UC1408888  Linnaea borealis var. longiflora F. W. Oettinger 1969-8-9 1319 Siskiyou at stream crossing North Fork River enroute up to Abbott's Upper Cabin (Salmon Mountains, western Siskiyou County); Salmon Mountains, North Fork River 1356 Comment
  SJSU6060  Linum lewisii R. W. Trivelpiece 1971-6-16 32 Siskiyou N of Alder Cr divide between The Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  RSA105458  Linum lewisii M. S. Baker 1955-6-27 13084 Siskiyou Hwy. 99, 4 mi. S of Gazelle. 915 Comment
  UC609319  Linum lewisii Eleanor Burks Hart 1938-8-18 902 Siskiyou upper edge of Big Meadow Big Meadow 2286 Comment
  UC336569  Listera convallarioides unknown July 1878 Siskiyou near Mt. Shasta 2133 Comment
  CAS-BOT-BC36531  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-7-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  RSA3388  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou Above junction of McCloud road with the Pacific Highway. 1189 Comment
  RSA44061  Lithocarpus densiflorus var. echinoides W. Bridge Cooke 1941-9-16 16321 Siskiyou Along the Castle Lake Road. Comment
  RSA697650  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  UC484041  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-27 Siskiyou Hazelview Summit; Siskiyou Mtns. 742 Comment
  UC60971  Lithocarpus densiflorus var. echinoides Geo. B. Grant Sep 1902 5244 Siskiyou Shasta Springs; Mount Shasta Comment
  UC909390  Lithophragma glabrum Ira L. Wiggins 1950-5-28 12389 Siskiyou .3 mi w Carmen Lake; w of Carmen Lake 1706 Comment
  HSC35065  Lithophragma heterophyllum J. P. Smith 1974-5-25 7646 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CHSC31062  Lithospermum californicum M. S. Taylor 1980-7-8 3088 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou. 1036 Comment
  UCSB13237  Lithospermum californicum Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  UCD66312  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  SEINET10591981  Lolium perenne George D. Butler 1910-6-15 Butler 1563 Siskiyou Damp land near Yreka. Comment
  SEINET10903129  Lomatium dissectum LeRoy E. Detling 1947-6-4 Detling 6116 Siskiyou Slater Butte. 1067 Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  CAS-BOT-BC211157  Lomatium howellii Doris K. Kildale 1929-7-20 8624 Siskiyou South Fork Indian Creek to Elk Lick 1219 Comment
  HSC76724  Lomatium macrocarpum K. T. Stillman 1976-8-7 382 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 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
  SBBG7340  Lonicera H. and M. Dearing 1938-6-27 2178 Siskiyou near Burney Falls Comment
  JEPS74560  Lonicera conjugialis W. J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  UCSB24823  Lonicera conjugialis Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1706 Comment
  CAS-BOT-BC243923  Lonicera involucrata var. involucrata Geo. D. Butler 1910-7-9 1700 Siskiyou Margin of Shackleford Creek 1219 Comment
  HSC31963  Lonicera involucrata var. ledebourii Steve Selva, Roger Jensen 1974-8-16 13 Siskiyou N shore of Sugar Lake. Comment
  CAS-BOT-BC198578  Lotus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 131 Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  SEINET3131483  Lotus denticulatus G. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek Comment
  POM27605  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou Yreka Creek Comment
  RSA716052  Lotus humistratus L. Ahart, John Dittes 2005-6-9 12014 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  RSA406397  Lotus micranthus Louis C. Wheeler 1934-6-4 2645 Siskiyou Ridge south of Horse Creek near mouth, Siskiyou Mts. (Mt. Diablo mer.) 1067 Comment
  JEPS75371  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-21 397 Siskiyou Etna Creek 1158 Comment
  UC618758  Lotus oblongifolius var. oblongifolius unknown 1938-7-1 11115 Siskiyou along the creeks from Bear Springs Mount Shasta, Bear Springs 1524 Comment
  JEPS87893  Lotus pinnatus Vernon H. Oswald and Lowell Ahart 1994-7-11 6401 Siskiyou 0.5 mi ne of Gumboot Lake (w of Dunsmuir, Gumboot Creek on the upstream side of Forest Road 26 to Mount Shasta); Gumboot Creek, Forest Road 26 1783 Comment
  UC862229  Lotus purshianus var. purshianus A. A. Heller 1916-8-24 12557 Siskiyou near Sisson 1074 Comment
  CAS-BOT-BC140204  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. Comment
  UC2026964  Luina hypoleuca Anthony Baniaga 2011-7-8 429 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  OBI53778  Lupinus David J. Keil 1992-7-20 23476 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  POM11083  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  CAS-BOT-BC215172  Lupinus croceus P. Kenney; Conrad; Dunn 1973-6-4 384 A Siskiyou 6.4 miles W of Callahan, along road from Cecilville to Callahan 1737 Comment
  HSC22251  Lupinus croceus J. O. Sawyer 1969-6-12 906 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  SEINET8042186  Lupinus formosus G. D. Butler 1910-4-19 1201 Siskiyou Near Yreka Comment
  SD125501  Lupinus klamathensis Melvin L. Conrad, D. B. Dunn, P. Kenney 1973-6-2 6972 Siskiyou 1.1 mile from I-5 on Hwy 3 SW of Yreka, in open exposed area, gravelly roadside 914 Comment
  SEINET10485423  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-2 Conrad 6971 Siskiyou Under oak trees on s facing slope of klamath rever valley, 1.5 mi. W of jct of 263 And 96 on hwy 96. Assoc. With l. Albifrons var. Fluminense in open area. 732 Comment
  SBBG10899  Lupinus lepidus var. sellulus H. and M. Dearing 1938-6-28 2180 Siskiyou McCloud Comment
  SEINET952479  Lupinus lepidus var. sellulus Mark Fishbein, Lane Hreer 2006-1 5875 Siskiyou South Base of Medicine Lake Glass Flow, just north of Medicine Lake 2050 Comment
  UC904774  Lupinus lepidus var. sellulus W. Bridge Cooke 1949-8-26 25674 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  UC922412  Lupinus lepidus var. sellulus Annie M. Alexander and Louise Kellogg 1949-7-22 5841 Siskiyou trail to Kings Castle; Marble Mountains, Paradise Lake 2072 Comment
  UCSB15827  Lupinus lepidus var. sellulus 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CDA27465  Lupinus lepidus var. sellulus S. Davis, F. D. Horn 1979-8-22 Siskiyou Sam s Neck west of Dorris. 0 Comment
  HSC81756  Lupinus leucophyllus Thomas W. Nelson, Jane P. Nelson 1980-7-19 6191 Siskiyou Along F.S. Rd. 40N17 between East Fork of Boulder Creek and Cement Creek. 1463 Comment
  POM10803  Lupinus luteolus E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  SBBG21863  Lupinus obtusilobus D. Myrick 1964-7-25 965 Siskiyou Panther Meadows, below Ski Bowl Lodge 2346 Comment
  UC1506172  Lupinus obtusilobus Robert T. Clausen and Harold Trapido 1940-7-27 4969 Siskiyou 5 mi nne Mt. Shasta summit (w side of Mountainhouse Creek); Cascade Mtns, Sacramento River Basin, Mt. Shasta 1981 Comment
  UC642537  Lupinus polyphyllus var. burkei W. Bridge Cooke 1939-6-23 13514 Siskiyou upper end Bear Springs Meadows (Mount Shasta); Mount Shasta Comment
  UC922392  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1949-7-20 5821 Siskiyou Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  UC922628  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1948-9-9 5607 Siskiyou Trail to Taylor Lake (meadow); Siskiyou Mountains Comment
  POM23553  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek Comment
  RSA114969  Lupinus sellulus subsp. sellulus E. K. Balls, Lee W. Lenz, B. K. Balls 1956-6-18 21799 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  RSA50219  Lupinus sellulus subsp. sellulus E. K. Balls 1949-7-8 13926 Siskiyou 1 mile east of Etna (Callahan to Etna Road). 854 Comment
  POM260225  Lupinus sellulus subsp. ursinus C. Leo Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-9 5323 Siskiyou 1/2 mile SE of Kings Castle, Marble Mts. 1829 Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  POM23592  Lupinus vallicola subsp. vallicola Geo. D. Butler 1910-4-30 1252 Siskiyou Yreka. Comment
  NY16053  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  HSC42961  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-30 2759 Siskiyou Along Specimen Creek. 915 Comment
  HSC30720  Luzula comosa Frederick W. Oettinger 1969-7-16 1034 Siskiyou Just NE of Abbott's Lake outlet 1723 Comment
  HSC67150  Luzula subsessilis J. P. Smith 1973-5-5 6391 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCR131619  Lycium barbarum L. C. Wheeler 1934-11-4 3356 Siskiyou Marble Mtns, Scott Bar, Scott River 518 Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  SEINET2121890  Machaeranthera canescens M. L. Carson 1968-12-9 1296 Siskiyou US Highway 99 and Interstate 5 at base of Black Butte 4 mi S of Weed, 0.85 mi N of summit of the pass and 2.55 mi N of exit to Mount Shasta and State Highway A 10 1190 Comment
  SEINET2121891  Machaeranthera canescens M. L. Carson 1968-12-8 1295 Siskiyou Scott Mountains, road to Callahan 10.2 mi W of Interstate 5 at Gazelle, 11 mi N of Weed. High road cut 1.15 mi E of top of mountain and a division of roads 1400 Comment
  UCR64616  Madia bolanderi L. C. Wheeler 1934-8-10 03103 Siskiyou Dead Cow Creek 1829 Comment
  CAS-BOT-BC344016  Madia elegans Carl B. Wolf 1927-8-26 1052 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  CAS-BOT-BC344540  Madia exigua Lewis S. Rose 1945-6-18 45066 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA120895  Madia exigua Milo S. Baker 1957-6-16 13149 Siskiyou Scott Mountain 1768 Comment
  POM362231  Madia glomerata L. C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1860 Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  OBI55434  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  UCR66722  Madia minima L. C. Wheeler 1934-6-1 02601 Siskiyou Siskiyou Mtns., Mt. Diablo mer. 2058 Comment
  UC133461  Madia sativa T. S. Brandegee July, 1887 Siskiyou Siskiyou Mountains Comment
  POM266582  Mahonia aquifolium Lester Rowntree 1932-8-2 s.n. Siskiyou Happy Camp Rd. Comment
  RSA21196  Mahonia aquifolium C. B. Wolf 1937-8-9 9084 Siskiyou Siskiyou Mts., 4 7/10 mi. from Oak Knoll Ranger Station on road to Dry Lake Lookout. 1220 Comment
  RSA238989  Maianthemum racemosum Frederick W. Oettinger 1966-6-27 29 Siskiyou 400 yeards up road from Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  HSC61171  Maianthemum racemosum subsp. amplexicaule Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC68441  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-7-4 1388 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  SBBG27134  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Alnus meadow, Jaynes Cyn, Siskiyou Mtns 1828 Comment
  UC725671  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC60891  Medicago lupulina W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC618763  Medicago lupulina W. B. Cooke 1938-7-15 11185 Siskiyou Bear Springs Mount Shasta 1524 Comment
  HSC31097  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou Salmon Mtns., N side of Tom Lake Basin. Comment
  HSC77058  Melica bulbosa K. T. Stillman 1976-8-7 190 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  UCD86367  Melica bulbosa AHM 1955-7-27 55 G Siskiyou Klamath National Forest. Marble Mountains.Pierce's Draw Meadow. 1676 Comment
  CHSC36113  Melica californica K. Bridwell 1978-4-14 83 Siskiyou Along Klamath River ca. 4 mi s of Hornbrook. 670 Comment
  POM114773  Melica fugax Geo D. Butler 1910-4-30 1251 Siskiyou Yreka. Comment
  UC197193  Melica fugax Geo. D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  SEINET10893690  Melica fugax A. Arthur Heller 1921-7-7 Heller 13568 Siskiyou Gravekky slope of Mt. Eddy south of Wagon creek, in Canadian zone. 1981 Comment
  UC796619  Melica geyeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11796 Siskiyou s of Callahan (Scott Mountain Road) Comment
  HSC58562  Melica stricta G. L. Clifton, Griswold 1979-7-26 10115 Siskiyou Near Salmon Mountain, close to town of Forks of Salmon. 2103 Comment
  JEPS95827 Image available Mentzelia albicaulis Vernon H. Oswald and L. Ahart 1999-7-5 9798 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
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Apr 17 2008
  SEINET3155018  Mentzelia laevicaulis G. D. Butler 1910-7-17 1789 Siskiyou Near Yreka Comment
  POM83506  Mentzelia laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou Dry land near Yreka. Comment
  CAS-BOT-BC428978  Micranthes ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC349105  Microseris douglasii subsp. tenella Katharine Brandegee No date on label s.n. Siskiyou Sissons Comment
  CDA8390  Microseris laciniata subsp. laciniata T. C. Fuller 1958-6-19 1823 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  CAS-BOT-BC349378  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC227  Microsteris gracilis William J. Ferlatte 1967-6-5 494 Siskiyou Big Flat, near public camp 1524 Comment
  HSC63063  Microsteris gracilis David Wheeler 1979-4-8 44 Siskiyou Comment
  CDA41682  Mimulus alsinoides D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  UCD122135  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  UC909471  Mimulus arvensis J. H. Thomas 1949-6-16 939 Siskiyou 10 mi n Gazelle Comment
  HSC36530  Mimulus breweri J. O. Sawyer 1969-7-10 1281 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  UC705715  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi down river from mouth Beaver Creek (n side of river); Klamath River Comment
  UC922555  Mimulus cardinalis Annie M. Alexander and Louise Kellogg 1948-9-5 5583 Siskiyou near mouth Matthews Creek; Siskiyou Mountains, South Fork of Salmon River Comment
  JEPS93896  Mimulus evanescens Vernon H. Oswald and Lowell Ahart 1998-7-21 9359 Siskiyou ne of Weed, e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant Road; Old State Highway 1417 Comment
  HSC27691  Mimulus guttatus Carl W. Mize 1972-6-8 41 Siskiyou Along main trail 366 Comment
  UC61040  Mimulus moniliformis W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  CHSC1764  Mimulus moschatus V. Holt 1932-6-29 Siskiyou Castle Lake. 1981 Comment
  RSA12487  Mimulus moschatus Carl B. Wolf 1934-7-4 5950 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  RSA68915  Mimulus moschatus A. E. Culbertson 1943-8-3 43 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  HSC99277  Mimulus nanus var. jepsonii D. M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi. SE of Deadhorse Summit. 1.3 mi. NW of Shasta Co. line along Hwy. 89 396 Comment
  HSC29398  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou High Lake Basins: site NW of Lower English Lake 1829 Comment
  UC1034023  Mimulus nasutus Francis W. Pennell 1940-7-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  UC725906  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mi s Bray 1402 Comment
  JEPS84010  Mimulus primuloides L. R. Heckard with J. Hickman et al. 1986-7-17 6503 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  UC1409384  Mimulus primuloides subsp. primuloides Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak (w Siskiyou Co., high lake basins in vicinity of English Peak) 2186 Comment
  POM43846  Mimulus primuloides var. pilosellus Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek. 1220 Comment
  LA209441  Mimulus tilingii W. B. C.; 1939-8-8 13814 Siskiyou Mount Shasta, Springs above Horse Camp along the summit trail 2514 Comment
  UC144462  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou between Igerna and Weed Comment
  CAS-BOT-BC388880  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou About midway between Igerna and Weed Comment
  UC454228  Minuartia nuttallii subsp. gregaria I. J. Condit 1911-7-28 Siskiyou ridge <from> Castle Lake to Mt. Bradley; Shasta Retreat 1981 Comment
  HSC92011  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1982-7-30 7312 Siskiyou Along SR 3 2.2 mi. N of Scott Mtn. Pass 1372 Comment
  CHSC96407  Mitella caulescens L. P. Janeway 2006-7-1 8723 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CAS-BOT-BC433022  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC86553  Mitella pentandra D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  JEPS25646  Mitella pentandra Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7286 Siskiyou Poker Flat; beside rill 1536 Comment
  RSA238319  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  CAS-BOT-BC94963  Mitella trifida R. C. Wenk 2005-7-15 231 Siskiyou Trinity Alps, above South Fork of Salmon River, along the Yellow Rose Mine Trail 1828 Comment
  HSC86450  Mitella trifida D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC433079  Mitella trifida Ella Dales Cantelow 1936-5-20 1415 Siskiyou Cow Creek. Turned here on Salmon Mt. Comment
  RSA184754  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Trail to lookout. Marble Mtns. 1799 Comment
  UC166127  Moehringia macrophylla Geo. D. Butler 1910-4-22 1217 Siskiyou Shackleford Creek Comment
  HSC36944  Moehringia macrophylla J. P. Smith 1974-5-26 7586 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC97824  Monardella odoratissima Juha Pykala, D. H. Norris 1987-7-7 2385 Siskiyou Camp Two Rd., 3 mi. from the jct. of Rd. 15 and Rd. 49 to Medicine Lake 1402 Comment
  CAS-BOT-BC222177  Monardella odoratissima subsp. pallida Doris K. Kildale 1929-8-24 9107 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  JEPS63423  Monardella odoratissima subsp. pallida W. L. Jepson 1937-7-30 18538 Siskiyou Summit Siskiyou Mts., near Poker Flat. 1554 Comment
  SBBG25897  Monardella odoratissima subsp. pallida D. Myrick 1966-8-8 1497 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC220359  Monardella odoratissima subsp. pallida Wm. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats Comment
  SEINET10582085  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 350 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UCSB63904  Monardella odoratissima subsp. pallida Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6, Yellow Pine Forest 1755 Comment
  JEPS83877  Monardella purpurea Wayne Roderick July 1986 Siskiyou Vicinity Cook and Green Pass, along trail to Lily Pad lake. Siskiyou Mts. 1463 Comment
  CAS-BOT-BC220229  Monardella sheltonii H. A. Thomas; J. H. Thomas 1954-7-22 4442 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  UC2035868  Monardella villosa subsp. villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch; Siskiyou Mts. Comment
  HSC40880  Monotropa hypopitys J. O. Sawyer 1973-7-18 2549 Siskiyou Hamilton Camp Comment
  RSA238382  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Forest at base camp mid trail betw Diamond Lake & Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC34003  Montia fontana J. P. Smith 1974-5-25 7488 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS127641  Montia parvifolia Jurriaan M. de Vos 2014-7-10 317 Siskiyou Klamath NF.Ca. 1.9 miles ENE along Forest Road 1055 from Cook and Green Pass. 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
  CAS-BOT-BC262614  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the south fork of the Sacramento River 1371 Comment
  CAS-BOT-BC267042  Muhlenbergia filiformis Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs to McCloud Comment
  UCD86576  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  SEINET515841  Muhlenbergia richardsonis Vernon Oswald 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1756 Comment
  RSA611431  Myosotis discolor L. C. Wheeler 1935-6-27 3615 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA68891  Nama lobbii A. E. Culbertson 1943-7-10 66 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  RSA74810  Nama lobbii F. W. Peirson 1923-7-19 3821 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  UC1409218  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou boggy meadow w. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  SEINET3991320  Narthecium californicum Unknown 1953-7-29 Siskiyou Summit of Scott Mountain 1625 Comment
  UC1540246  Navarretia capillaris Dean W. Taylor 1987-6-26 9077 Siskiyou 2 mi se from Medicine Lake (Paynes Springs); se from Medicine Lake, Paynes Springs 1996 Comment
  UC163990  Navarretia intertexta Geo. D. Butler 1908-7-5 107 Siskiyou near Yreka Comment
  CHSC88392  Navarretia sinistra Jenny Marr 1993-7-1 151 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS94846  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1998-9-16 9636 Siskiyou Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97); Highway 161 1243 Comment
  CAS-BOT-BC60574  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  HSC62466  Noccaea fendleri subsp. glauca Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  UC49997  Nothocalais troximoides Edward L. Greene 1876-5-15 781 Siskiyou near Yreka Comment
  CDA9698  Nothochelone nemorosa D. G. Kelch 2007-7-25 7 .495 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  JEPS11224  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou trail beyond Whiskey Camp (Independence Creek); Independence Creek 1676 Comment
  UCR198250  Nothochelone nemorosa Dean Kelch 2007-7-25 07- 495 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  RSA408400  Nothochelone nemorosa M. B. Dunkle 1945-7-22 9237 Siskiyou Marble Mts., Klamath National Forest. Comment
  UC375493  Nuphar lutea subsp. polysepala Geo. D. Butler 1908-8-3 525 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  RSA0013864  Nuphar lutea subsp. polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou East side of English Lake. Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC29331  Nuphar polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou Marble Mtn. Wilderness Area, N end of Horse Range Lake 1829 Comment
  HSC41047  Oemleria cerasiformis J. O. Sawyer 1970-3-4 2066 Siskiyou N of Idlewild Campground 762 Comment
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Mar 12 2012
  RSA367003  Olsynium douglasii Louis C. Wheeler 1935-3-18 3377 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 945 Comment
  SEINET4171083 Image available Olsynium douglasii Gene B. Newcomb, H. G. Baker 1959-3-28 233 Siskiyou Above the highway, 4.5 miles north of Yreka city limits on US Highway 99 914 Comment
  CDA7549  Onopordum acanthium T. C. Fuller, Bill Huse 1959-7-13 2748 Siskiyou Jack Crawford Ranch, Tulelake. 0 Comment
  CAS-BOT-BC349958  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  HSC29217  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; S of Little Hancock Lake 2043 Comment
  UC618629  Oreostemma alpigenum var. andersonii W. Bridge Cooke 1938-9-8 11607 Siskiyou on e slope, in heather association Little Red Butte; Mount Shasta 2590 Comment
  HSC73298  Orobanche fasciculata M. A. Baker 1980-6-20 2213 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC500190  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  RSA0076584  Orobanche fasciculata Frederick W. Oettinger 1968-8-16 530 Siskiyou S-facing slope of Little Medicine Mountain near the open summit, due north of Hancock Lake. 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
  HSC19214  Orthilia secunda J. O. Sawyer 1968-7-10 507 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC34302  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  JEPS9403  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1910-7-8 1680 Siskiyou Shackelford Creek 1371 Comment
  HSC22172  Osmorhiza berteroi J. O. Sawyer, D. E. Anderson 1969-7-18 1382 Siskiyou Near South Russian Creek 1890 Comment
  HSC36605  Oxalis trilliifolia Brent Whiteley 1975-6-29 108 Siskiyou 976 Comment
  HSC83920  Oxyria digyna K. Berg, Stephanie Bennett 1986-8-25 647 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UCR37815  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  JEPS106485  Parnassia cirrata J. K. Nelson 2004-8-31 2004 -97 Siskiyou Gumboot Meadow, 1/2 mi N of Gumboot Lake, S of Road 40N26, headwaters south fork Sacramento River; ca. 20 mi W of Mount Shasta City 1813 Comment
  JEPS128826  Parnassia fimbriata Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -057 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. Comment
  CAS-BOT-BC175614  Parnassia palustris Wm. Bridge Cooke 1938-9-8 11671 Siskiyou Squaw Creek, Heather Meadows Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  JEPS9617  Paxistima myrsinites W. L. Jepson 1914-8-14 6158 Siskiyou Dunsmuir 1097 Comment
  RSA237261  Paxistima myrsinites Frederick W. Oettinger 1968-8-24 626 Siskiyou By New York Flumes about 10 min. down-stream from Tom's Lower Pond; Tom's Lake Basin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC163985  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat Comment
  POM72145  Pectocarya pusilla Geo. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  HSC293  Pedicularis attollens William J. Ferlatte 1966-8-17 396 Siskiyou Caribou Basin 1982 Comment
  HSC91018  Pedicularis attollens Jennifer Whipple 1977-7-21 2014 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC266639  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6507 Siskiyou English Lake, head of N fork of Salmon River 1828 Comment
  UC1733690  Pedicularis densiflora Frank Gould, Kay H. Beach 1940-5-16 1242 Siskiyou Bald Mt. Comment
  POM43422  Pedicularis flavida Geo. D. Butler 1910-7-10 1735 Siskiyou Upper Campbell Lake, Shackleford Creek. 1524 Comment
  SJSU2578  Pedicularis howellii H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  UC221507  Pedicularis racemosa H. E. Brown Jul 1 1897-Jul 15 1897 488 Siskiyou n side of Mount Shasta 1524 Comment
  POM208356  Pedicularis racemosa Louis C. Wheeler 1934-6-7 2659 Siskiyou North Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1311 Comment
  POM210647  Pedicularis racemosa Louis C. Wheeler 1934-6-12 2702 Siskiyou Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1280 Comment
  RSA238829  Pedicularis racemosa Frederick W. Oettinger 1968-8-3 384 Siskiyou Edge of base camp meadows, near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC711825  Pedicularis semibarbata Roxana S. Ferris and Laura Lorraine 1941-8-11 10504 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  POM208290  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mountains:West Fork Cottonwood Creek. 1238 Comment
  UC812365  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Spirit Lake; Marble Mts 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
  RSA12502  Penstemon anguineus Carl B. Wolf 1934-7-4 5934 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13 mi from Horse Creek Bridge on Klamath River. 1372 Comment
  SD62067  Penstemon anguineus Darley F. Howe 1965-8-8 4125 Siskiyou Saddle, south side of Little Gray Back, Klamath National Forest 1402 Comment
  UC1560411  Penstemon anguineus E. Joyal and D. Mehlman 1988-6-25 1276 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp-Takilma Road at turn-off to Bolan Lake 1524 Comment
  JEPS86094  Penstemon anguineus Wayne Roderick 1966-6-26 Siskiyou n Seiad Valley (Pass over Crest of Siskiyou Mtns, Cook and Green Pass and Creek); Pass over Crest Siskiyou Mtns, Cook and Green Pass and Creek 1371 Comment
  RSA505404  Penstemon azureus R. C. Bacigalupi, S. Galen Smith, G. Bacigalupi 1957-6-26 5964 Siskiyou Canyon of the South Fork of the Sacramento River,at its source in the region immediately south of Mt. Eddy, along very poor mountain road to Gumboot Lake. 1433 Comment
  HSC69368  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3809 Siskiyou E side of Grouse Hill 2122 Comment
  SBBG7139  Penstemon deustus H. and M. Dearing 1939-7-1 3788 Siskiyou Salmon Mtn 1828 Comment
  UC609360  Penstemon deustus Eleanor Burks Hart 1938-8-18 933 Siskiyou Boulder Peak 2535 Comment
  UCR37864  Penstemon deustus Mike Roantree, R. Bonning 1983-5-28 s.n. Siskiyou NW Callahan on Hwy 3, near marker 10.00 Comment
  UC175799  Penstemon deustus var. pedicellatus T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  UC164358  Penstemon deustus var. suffrutescens Geo. D. Butler 1908-7-12 434 Siskiyou dry hills near Yreka; Dry hills near Yreka Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  HSC67817  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3781 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  NY600745  Penstemon gracilentus D. D. Keck 1927-8-16 305 Siskiyou 4 miles east of Mt. Shasta City (Sisson) on west flank of Mt. Shasta. 1611.2 Comment
  SD53340  Penstemon gracilentus Darley F. Howe 1962-8-6 3412 Siskiyou Mt. Shasta 2438 Comment
  SEINET10880486  Penstemon gracilentus Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 870 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC313695  Penstemon gracilentus David D. Keck 1927-8-17 306 Siskiyou Horse Camp s side of Mt. Shasta, Horse Camp (s side of Mt. Shasta, Timberline) 2468 Comment
  UC618810  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11546 Siskiyou around the Horse Camp Flats (Horse Camp, Mount Shasta); Mount Shasta, around the Horse Camp Flats 2438 Comment
  UC887038  Penstemon gracilentus Alice Eastwood 1912-7-19 1229 Siskiyou Mount Shasta Comment
  POM146623  Penstemon gracilentus A. A. Heller 1922-7-15 13691 Siskiyou At Medicine Lake in front of the ranger station. 2134 Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CDA41856  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou 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. Comment
  HSC60085  Penstemon laetus subsp. sagittatus M. A. Baker 1978-5-20 573 Siskiyou 3 km N of Somes Bar Comment
  JEPS44098  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1965-7-17 35178 Siskiyou Bolam Road , Bolam Road (Mt. Shasta) 1524 Comment
  UC1238948  Penstemon laetus var. sagittatus Freed W. Hoffman 1950-7-13 3491 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  UC1874808  Penstemon laetus var. sagittatus Karl Vincent, Charlotte 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 Business Loop in Weed. 1158 Comment
  CHSC4529  Penstemon newberryi J. E. Bowlin 1967-7-18 39 Siskiyou Ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  CHSC9487  Penstemon newberryi J. F. Goodwin 1971-7-3 137 Siskiyou West roadside, 7.7 mi. south of Mount Shasta Ski Bowl area. 1584 Comment
  HSC4840  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-9-9 656 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  SEINET10547626  Penstemon newberryi subsp. newberryi Mary Merello 1993-6-22 Merello 692 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  CAS-BOT-BC239336  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 266 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  JEPS5711  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  LA28289  Penstemon newberryi var. sonomensis Harvey P. Chandler; June 1901 1599 Siskiyou near Marble Mountain 2133 Comment
  HSC77278  Penstemon parvulus L. P. Janeway 1983-8-13 531 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  RSA238755  Penstemon procerus subsp. brachyanthus Frederick W. Oettinger 1967-7-20 178 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC130602  Penstemon procerus var. brachyanthus H. M. Hall 1909-7-28 8672 Siskiyou head of Salmon River Salmon Mountains, head of Salmon River 1645 Comment
  JEPS11637  Penstemon roezlii Geo. D. Butler 1908-6-28 431 Siskiyou L. Eastlicks Ranch , L. Eastlicks Ranch (Oro Fino) Comment
  NY650119  Penstemon roezlii F. W. Pennell 1940-7-20 26206 Siskiyou Route 89, west of Dead Horse Summit, east of Bartle 1158.2 Comment
  UC163964  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou foothills of the Goosenest Mountains 1386 Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou Comment
  UC1238946  Penstemon rupicola Freed W. Hoffman 1950-7-13 3495 Siskiyou ne slope Baldy Mountain trail to Clear Creek (western Siskiyou County); North Coast Ranges, ne slope Baldy Mtn. trail to Clear Cr 1828 Comment
  CHSC71333  Penstemon rydbergii var. oreocharis Vernon H. Oswald; Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  NY130508  Penstemon shastensis D. D. Keck 1940-6-13 5172 Siskiyou Grass Lake 1539.2 Comment
  RSA297052  Penstemon shastensis John F. Emmel 1974-7-23 524 Siskiyou 1 air miles SE of Bartle, just N of hwy 89 (0.5 road mile W of railroad crossing). 1210 Comment
  CAS-BOT-BC27142  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  NY661038  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou Along U.S. Highway #97 1066.8 Comment
  UCSB21264  Penstemon speciosus Bell, David 1966-6-21 Siskiyou East side of U.S. Hwy. 97, 14 miles NE of Weed 1371 Comment
  HSC1096  Pentagramma triangularis R. C. Wunner 1965-8-21 461 Siskiyou Lava Beds National Mon., Valentine Cave Comment
  SEINET13944951 Image available Perideridia bolanderi L. Constance, T. I. Chuang 1967-1 3799 Siskiyou Summit of road on Scott Mountain at Trinity-Siskiyou County line, alt. 5400 ft 1646 Comment
  JEPS12330  Perideridia howellii W. L. Jepson 1914-8-13 6157 Siskiyou Sisson 1097 Comment
  JEPS12410  Perideridia howellii Geo. D. Butler 1910-8-13 1831 Siskiyou Quartz Valley Comment
  UC1312907  Perideridia leptocarpa L. Constance and T. I. Chuang 1967-7-22 3802 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River 762 Comment
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Mar 2 2015
  CAS-BOT-BC222757  Perideridia leptocarpa H. A. Thomas; J. H. Thomas 1954-7-23 4455 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  HSC29420  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along ridge between David Mountain and Abbotts Lake Basin and on the old Tanners Peak Trail 1905 Comment
  CAS-BOT-BC413492  Persicaria amphibia Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  CAS-BOT-BC330261  Petasites frigidus var. palmatus L. E. Smith 1915-4-25 s.n. Siskiyou Sisson Comment
  CDA15529  Phacelia bolanderi G. F. Hrusa 1998-7-5 14697 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  UC923089  Phacelia corymbosa Freed W. Hoffman 1950-7-11 3314 Siskiyou Elk Valley Rd 5.7 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges Comment
  CHSC96030  Phacelia dalesiana L. P. Janeway 2006-7-4 8791 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC65663  Phacelia egena J. P. Smith, Steve Selva 1970-6-15 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC164111  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou near Yreka Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC1481197  Phacelia hastata L. Constance 1980-6-3 3896 Siskiyou junction of old Military Pass rd and U.S. Hwy. 97 (n of Mt. Shasta) 1341 Comment
  CHSC70133  Phacelia hastata subsp. compacta Jennifer Whipple 1976-7-2 1268 Siskiyou Klamath Mountains. Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  JEPS28695  Phacelia hastata subsp. compacta Harley P. Chandler June 1901 1655 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  SFV3019  Phacelia hastata subsp. compacta W. L. Jepson 1940-6-23 20012 Siskiyou Andesite sta., north of Mount Shasta. 976 Comment
  UC794431  Phacelia hastata subsp. compacta W. Bridge Cooke 1949-8-22 25560 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  SD104876  Phacelia heterophylla Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 3.0 miles southeast of Ca. Highway 97, near Grenada. Comment
  JEPS25769  Phacelia leonis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7460 Siskiyou along Del Norte-Siskiyou co. boundary about 13 mi nw Happy Camp (meadow of valley); Siskiyou Mts., Indian Creek drainage, Twin Valley 1524 Comment
  CHSC97389  Phacelia linearis Jenny Marr 2006-6-18 225 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  CDA40406  Phacelia linearis R. Richards & D. Janssen 1978-5-25 s.n. Siskiyou Northeast of Weed at Yellow Butte. 0 Comment
  HSC2372  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS2030  Phacelia mutabilis Willis L. Jepson 1894-8-4 21040 Siskiyou Horse Camp Comment
  HSC33325  Phacelia mutabilis William J. Ferlatte 1974-7-15 1545 Siskiyou Dorleska summit, Grouse Ridge, on Trinity Co. line yds. N of summit 2134 Comment
  UC1057506  Phacelia pringlei Milo S. Baker 1957-6-16 13128 Siskiyou Scott Mt. 1767 Comment
  UCD120681  Phacelia ramosissima Robert E. Preston 1995-6-22 896 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  HSC27638  Philadelphus californicus Carl W. Mize 1972-6-10 50 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 290 Comment
  RSA0058052  Philadelphus lewisii Frederick W. Oettinger 1967-6-23 145 Siskiyou Along road ca. 1/2 mi south of Kelly Gulch (Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  CAS-BOT-BC250790  Phleum alpinum W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake Comment
  UC188948  Phleum alpinum Milo S. Baker 1898-8-1 488 Siskiyou Medicine Lake Comment
  UC1408778  Phlox adsurgens Frederick W. Oettinger and R. F. Thorne 1969-8-6 1240 Siskiyou Pine Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  UCSB14858  Phlox adsurgens Breedlove, Dennis 1961-7-2 Siskiyou 14.0 miles southeast of O'brien on road to Happy Camp; Siskiyou Mountains 1463 Comment
  CHSC1301  Phlox diffusa M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CHSC96001  Phlox diffusa L. P. Janeway 2006-7-4 8794 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC45810  Phlox diffusa J. P. Smith, J. O. Sawyer 1972-5-27 5350 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  JEPS25568  Phlox diffusa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7193 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  HSC40274  Phlox diffusa J. D. Ackerman, A. M. Montalvo 1975-7-18 580 Siskiyou Gumboat Lake Comment
  CDA40292  Phlox gracilis J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  CDA40277  Phlox speciosa subsp. occidentalis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2614 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. 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-BC135020  Phoradendron bolleanum G. T. Benson 1921-12-23 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC56485  Phyllodoce empetriformis Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC56504  Phyllodoce empetriformis W. B. C. 1938-7-21 11291 Siskiyou Panther Creek Heather Meadow 2286 Comment
  JEPS66672  Phyllodoce empetriformis Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Horse Camp Horse Camp; Region of the Upper Sacramento, Mount Shasta, Horse Camp Comment
  LA41254  Phyllodoce empetriformis John Thomas Howell; 1937-7-24 13396 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  UCD117721  Phyllodoce empetriformis Jack Major 1961-7-14 633 Siskiyou Panther Meadows Campground, Mount Shasta. 2270 Comment
  RSA183728  Phyllodoce empetriformis Gilbert Muth 1965-8-8 194 Siskiyou Near summit of Marble Rim. 1982 Comment
  CHSC91747  Physalis longifolia D. H. Shaw; T. C. Fuller 1977-8-30 20221 Siskiyou In field, south of Willow Creek Road, 17 km. northeast of Montague. Comment
  CAS-BOT-BC60770  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC210239  Physaria occidentalis subsp. occidentalis Dana York 2011-8-12 3040 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  UC1607597  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou ca 4 airmiles w Shasta City (Wagon Creek e side of Mt Eddy) 1828 Comment
  CAS-BOT-BC228582  Picea breweriana Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1755 Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  UCD134307  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges. Sugar Creek, a tributary of the Scott River. 1432 Comment
  UCD134319  Pinus albicaulis Robert E. Preston 2001-6-30 1649 d Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC73395  Pinus albicaulis Dr. C. E. Wilson 1930-7-9 s.n. Siskiyou Marble Mt. Comment
  CAS-BOT-BC78329  Pinus attenuata Doris K. Kildale 1928-8-21 6640 Siskiyou Big Creek - trail from Finley Camp to English Lake Comment
  CAS-BOT-BC73308  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou Marble Mountain Wilderness Area - southwestern ridge of Black Marble Mountain. 2133 Comment
  UC1452401  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-6-30 Siskiyou slope of Mount Eddy Mount Eddy 2225 Comment
  UC1585380  Pinus balfouriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 72 Siskiyou cirque above Deadfall Lakes (near Trinity Co. line); Mt. Eddy 2440 Comment
  UC1980210  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe 1972-7-21 s.n. Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  HSC101735  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-5-27 12 Siskiyou West ridgeline above Wright Lake 2222 Comment
  SEINET11738788  Pinus jeffreyi C. G. Pringle 1882-1 s.n. Siskiyou no further locality 1524 Comment
  CAS-BOT-BC73143  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou South slope of Black Butte, W. of Mt. Shasta. Comment
  HSC69239  Pinus monticola Maralyn A. Renner 1980-9-1 2706 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS48189 Image available Pinus ponderosa W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  RSA237643  Piperia unalascensis Frederick W. Oettinger 1967-7-30 224 Siskiyou Between Abbotts Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC458145  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Mts.,: Marble Valley, by waterfall 1828 Comment
  CHSC93545  Plagiobothrys bracteatus Lowell Ahart; John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 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
  RSA610638  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3496 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  UC78224  Plagiobothrys hispidulus T. S. Brandegee July, 1889 Siskiyou Sisson's Comment
  UC903389  Plagiobothrys nothofulvus Dorothy Parker 1948-5-3 Siskiyou 4 mi s Yreka (along Highway 99) 878 Comment
  RSA715660  Plantago lanceolata L. Ahart, John Dittes 2005-6-10 12118 Siskiyou On a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UCSB24814  Platanthera dilatata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SEINET10905339  Platanthera dilatata var. leucostachys Mary Susan Taylor 1980-1 Siskiyou Comment
  RSA714939  Platanthera leucostachys M. E. Fishbein, Lane Greer 2006-8-3 5882 Siskiyou Paynes Springs, about 2 miles SW of Medicine Lake. 604 Comment
  CHSC30938  Platanthera sparsiflora T. Spira 1979-7-4 401 Siskiyou 2 mi sw of Stewart Springs, off rd 42N17. 1584 Comment
  UCR142785  Plectritis macrocera subsp. macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  RSA240083  Pleuricospora fimbriolata Frederick W. Oettinger 1969-8-23 1514 Siskiyou On hill above Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC30562  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  CAS-BOT-BC255000  Poa bulbosa Dorothy Parker 1949-4-19 75 Siskiyou McConachie Gulch, Scott Valley 883 Comment
  HSC73334  Poa compressa Gail Newton 1980-6-20 469 Siskiyou Near Bald Mtn. 1097 Comment
  RSA239031  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou On north side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA578032  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA715659  Poa pratensis L. Ahart 2005-6-10 12125 Siskiyou On a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  HSC103040  Poa pratensis subsp. pratensis J. P. Smith 2014-6-7 13898 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  UCD91773  Poa pringlei A. H. Murphy 1958-8-6 58 L Siskiyou Klamath National Forest. Second Valley Marble Mountains. 2255 Comment
  SEINET10954307  Poa pringlei A. Arthur Heller 1921-7-7 Heller 13566 Siskiyou Gravelly soil on the slope south of Wagon creek, Mt. Eddy, in the Canadian zone. Comment
  CAS-BOT-BC243226  Poa secunda subsp. secunda Ira L. Wiggins 1955-7-27 13527 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive area 2042 Comment
  HSC11  Poa secunda subsp. secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin 1677 Comment
  HSC27478  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-28 5383 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  HSC30663  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1606 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  JEPS33848  Poa secunda subsp. secunda Gilbert Muth 1966-7-31 477 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2057 Comment
  UC1265394  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou ridge above Horse's Hole Pond (near Horse Range Lake); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1981 Comment
  UCD37080  Poa secunda subsp. secunda Beecher Crampton 1956-8-21 3815 Siskiyou 15 miles SW of Mount Shasta, slope above Gumboot Lake, headwater of S fork of Sacramento River. 1920 Comment
  UCD91994  Poa wheeleri Robert E. Preston 2001-6-23 1617 Siskiyou Klamath National Forest, north-facing slope of Rainbow Mountain. 1889 Comment
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Nov 7 2014
  UCD52766  Podagrostis humilis J. M. Tucker 1963-8-19 3781 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  JEPS100989  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-12 10870 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  UC1190249  Polemonium californicum Ira L. Wiggins 1955-7-29 13573 Siskiyou n-facing slope between Caribou Lake and Pass to Thompson Creek; btw Caribou Lake and Pass to Thompson Creek 1956 Comment
  SEINET13763051  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  HSC19284  Polemonium pulcherrimum J. O. Sawyer 1969-6-12 877 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CAS-BOT-BC170329  Polygala cornuta var. cornuta Alice Eastwood 1917-9-2 6707 Siskiyou Shasta Springs Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  UC1034061  Polygala cornuta var. cornuta W. Bridge Cooke 1941-9-5 16259 Siskiyou along Sisson Southern Trail and Memorial Highway Mount Shasta 1371 Comment
  UC922554  Polygala cornuta var. cornuta Annie M. Alexander and Louise Kellogg 1948-9-4 5581 Siskiyou on bank above road halfway between Somersbar and Forks of Salmon; Siskiyou Mountains, Salmon River Comment
  SEINET8463926  Polygonum aubertii D. W. Taylor 2001-8-27 17902 Siskiyou Town of Week, on far Western end of town between old highway to Yreka and present-day Interstate 5 1036 Comment
  POM145046  Polygonum bistortoides C. F. Baker 1903-9-7 3854 Siskiyou Mt. Eddy. Comment
  RSA120791  Polygonum bistortoides S. S. Tillett 1956-7-9 658 Siskiyou E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1890 Comment
  UC454280  Polygonum bistortoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  RSA273321  Polygonum buxiforme J. P. Smith, J. O. Sawyer 1972-9-14 5807 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  UC55516  Polygonum convolvulus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC17499  Polygonum douglasii L. C. Wheeler 1935-7-26 3700 Siskiyou Siskiyou Mountains: Jaynes Canyon 1951 Comment
  NY323772  Polygonum greenei E. L. Greene 1876-8-12 s.n. Siskiyou Comment
  CHSC110955  Polygonum minimum B. Castro; L. P. Janeway 2007-7-29 1667 A Siskiyou High Cascade Range. Medicine Lake Highlands; about 0.5 mi W of Medicine Lake, 0.3 mi W on USFS Rd43N48 from its jcn with Rd 43N47 (which is the road to Schonchin Spring). 2075 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
  SBBG29123  Polygonum minimum L. C. Wheeler 1934-8-22 3207 Siskiyou Siskiyou Mtns; R9W, T47N, S18 1828 Comment
  SEINET3399369 Image available Polygonum minimum Joseph P. Tracy 1935-8-7 14618 Siskiyou Devil's Canyon Mts, at head of White Creek Comment
  JEPS78103  Polygonum newberryi G. W. Zamzow 1972-7-19 92 Siskiyou at timberline 200 m w end of road to Mt. Shasta Summit Ski area 2743 Comment
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May 22 2011
  CDA22836  Polygonum phytolaccifolium T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  SDSU9659  Polygonum phytolaccifolium D. F. Howe 1965-8-8 4127 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  RSA237758  Polygonum phytolaccifolium Frederick W. Oettinger 1969-8-7 1274 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UC1112263  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5936 Siskiyou about 2 1/2 mi nw Weed (pool close to US Hwy 99) 1005 Comment
  UC1191238  Polygonum sawatchense subsp. oblivium Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  SD76188  Polygonum shastense Helen V. Witham 1969-10-9 602 Siskiyou on scree, Mt. Shasta 2400 Comment
  CAS-BOT-BC421076  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Creek 1005 Comment
  POM212874  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  HSC79149  Polystichum imbricans C. J. Thomas 1983-10-1 100 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC79155  Polystichum imbricans C. J. Thomas 1983-10-1 105 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  RSA693319  Polystichum imbricans Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  HSC58845  Polystichum imbricans subsp. imbricans Marvin Butler 1971-7-20 169 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  CAS-BOT-BC72388  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou Mt. Eddy 2346 Comment
  UC922425  Polystichum lemmonii Annie M. Alexander and Louise Kellogg 1949-7-29 5892 Siskiyou top of ridge above Sky High Lake; Marble Mts., Sky High Valley 1920 Comment
  CAS-BOT-BC72392  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou Klamath National Forest, E. Fk. Horse Creek 1981 Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  POM120351  Polystichum lemmonii Geo D. Butler 1910-7-12 1756 Siskiyou Shackleford Creek 1372 Comment
  SEINET6409479  Polystichum lemmonii M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  HSC26112  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5679 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  HSC19183  Polystichum munitum J. O. Sawyer 1968-9-13 721 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CAS-BOT-BC76685  Polystichum munitum Robert T. Clausen; Harold Trapido 1940-7-28 4984 Siskiyou Klamath Mts., Klamath River Basin - 1 mile up canyon of Canyon Creek from Scott River, about 12 miles south of Hamburg. 762 Comment
  CAS-BOT-BC72514  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  RSA331958  Polystichum scopulinum W. Wisura, Dave Kelly 1985-7-31 4078 Siskiyou Kangaroo Lake, Scott Mtns.; on rocks above and beyond the granite rocks near campground Comment
  SD82093  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Siskiyou Mountains, Trapper Creek, Mt. Diablo Mer. 1980 Comment
  HSC67627  Populus trichocarpa J. P. Smith, Steve Selva 1970-7-15 4345 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC845952  Populus trichocarpa W. Bridge Cooke 1942-7-2 16363 Siskiyou bed of Mud Creek Canyon above the Dam Mount Shasta; , bed of Mud Creek Canyon Comment
  UC1265463  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-22 1494 Siskiyou bottom of Horses Hole (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  POM172664  Potamogeton foliosus Geo D. Butler 1910-8-21 1851 Siskiyou Shasta River. Comment
  SEINET3893295  Potamogeton richardsonii Louis C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek.; 0 Comment
  HSC29382  Potentilla breweri Frederick W. Oettinger 1969-7-13 1000 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  HSC82376  Potentilla breweri Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4529 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1409356  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (Salmon Mts., high lake basins in vicinity of English Peak, Marble Mountain Wilderness area, western Siskiyou County) 1889 Comment
  UCD113723  Potentilla cristae Jack Major; M. Fleschner and R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2133 Comment
  UCD113826  Potentilla drummondii J. M. Tucker; L. K. Mann 1963-7-5 3705 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  UC1409358  Potentilla flabellifolia Frederick W. Oettinger 1968-9-5 718 Siskiyou se side Hancock Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  UCR52571  Potentilla glandulosa Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  POM34962  Potentilla glandulosa subsp. ashlandica Geo. D. Butler 1910-7-8 1658 Siskiyou Shakleford Creek 1372 Comment
  JEPS98790  Potentilla gracilis var. fastigiata Sue Pappalardo 1993-7-19 494 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  UC454990  Potentilla gracilis var. fastigiata I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC540562  Potentilla gracilis var. fastigiata A. A. Heller 1905-6-22 8092 Siskiyou Between Igerna and Weed Comment
  HSC90739  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-6-17 1027 Siskiyou Near Durney Lake, N end of lake 2073 Comment
  CHSC93542  Potentilla millefolia Lowell Ahart; John Dittes 2005-6-10 12095 Siskiyou Steep springy 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
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  HSC99330  Prunella vulgaris C. B. Wolf 1927-8-26 1092 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  HSC60  Prunella vulgaris subsp. lanceolata William J. Ferlatte 1966-6-23 143 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  JEPS124566 Image available Prunella vulgaris subsp. lanceolata Michael Fleschner 1965-7-14 1965 -141 Siskiyou 4 miles west of Deadhouse summit HWY 89. Comment
  CAS-BOT-BC158211  Prunus emarginata John Thomas Howell 1939-8-4 15029 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CAS-BOT-BC151242  Prunus virginiana var. demissa Doris K. Kildale 1929-5-31 9125 Siskiyou Cecilville, South Fork Salmon River Comment
  UC52251  Prunus virginiana var. demissa W. T. Mooney May 1903 Siskiyou Yreka Comment
  JEPS95317  Pseudognaphalium stramineum Vernon H. Oswald and L. Ahart 1994-8-10 6451 Siskiyou T40N R2W NE1/4 NE1/4 Sec. 27, 3600 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud 1097 Comment
  JEPS24016  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6877 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River); Portuguese Creek 396 Comment
  UC1185303  Pseudostellaria jamesiana H. E. Brown June 1-10, 1897 330 Siskiyou near Sisson; near Sisson 1083 Comment
  RSA52432  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  UC60896  Pseudotsuga menziesii var. menziesii W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  UC637120  Pterospora andromedea Edward Lee 1934-8-13 1077 a Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian 1432 Comment
  SEINET202667  Pteryxia terebinthina var. californica Willis L. Jepson 13488 Siskiyou Lake Sisson Mt Shasta. Comment
  UC57350  Pteryxia terebinthina var. californica J. G. Lemmon and wife 1889-6-27 45 Siskiyou Edgewood, Siskiyou County Comment
  UCD91861  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  CAS-BOT-BC147903  Purshia tridentata var. tridentata Alice Eastwood 1921-7-25 10804 Siskiyou Bigelows, [Mc Cloud] McCloud R. Comment
  CAS-BOT-BC147907  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC460871  Pyrola aphylla L. E. Smith 1914-7-3 734 Siskiyou Sisson Comment
  RSA0082800  Pyrola aphylla Frederick W. Oettinger 1969-8-9 1324 Siskiyou Along main trail (North fork of Salmon River) between 5 mile Stock Gate and Abbott's Upper Cabin. 1098 Comment
  RSA238561  Pyrola californica Frederick W. Oettinger 1968-8-7 441 Siskiyou Along inlet stream to Tobacco Lake and due SW of it. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC29312  Pyrola crypta Frederick W. Oettinger 1968-8-7 439 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  HSC69744  Pyrola dentata Maralyn A. Renner 1980-6-26 1270 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC462543  Pyrola dentata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Near Cedar Lake, Trinity Mts. 1828 Comment
  HSC92966  Pyrola dentata Jennifer Whipple 1976-9-4 1789 Siskiyou Near Dobkins Lake 2073 Comment
  UC166181  Pyrola picta Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC466133  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  CAS-BOT-BC466137  Pyrola picta L. B. Kildale 1930-6-1 9783 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  CAS-BOT-BC466150  Pyrola picta Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  UC166599  Pyrrocoma racemosa var. paniculata Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CHSC34104  Pyrrocoma racemosa var. pinetorum J. D. Jokerst; M. D. Huffine 1981-9-8 1462 Siskiyou E of road in the section. 1249 Comment
  CAS-BOT-BC362386  Pyrrocoma racemosa var. racemosa Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC68604  Quercus chrysolepis Dr. A. Kellogg; W. G. W. Harford 1868-9 915 Siskiyou Ukiah Comment
  UC375247  Quercus chrysolepis Geo. D. Butler 1908-7-19 1075 Siskiyou Humbug Creek Comment
  JEPS37936  Quercus garryana W. L. Jepson 1907-7-22 2950 Siskiyou near Hamburg (w Siskiyou County); Klamath River Comment
  UC1311637  Quercus garryana Robert J. Rodin 1965-8-23 7159 Siskiyou just s Oregon border (Highway 99, in California) Comment
  RSA237386  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Due NNW of Tobacco Lake and west of the west cove of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  RSA749132  Quercus sadleriana Jim R. Shevock, David Toren 2000-9-1 20099 Siskiyou Applegate River Drainage. Along trail 959 toward Bear Gulch about 100 yards N of Cook and Green Pass off of road 1055. 1433 Comment
  SBBG83415  Quercus sadleriana R. Gankin, H. Brewer, D. Hildreth, K. Milam 1965-8-11 607 Siskiyou Indian Crk Rd, 5.6 mi S of Californica- Oregon state line Comment
  UC1553368  Quercus sadleriana W. J. Ferlatte 1988-8-24 218 Siskiyou 17 mi n Happy Camp (near Des Moines Creek on road 18N30, 0.1 mi from road to O'Brien); Preston Pk. Quad. Comment
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Feb 9 2009
  UCD47261  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104633  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou 6.77 mi (bi road) below the summit of Happy Camp-Waldo road Comment
  CAS-BOT-BC104637  Quercus vacciniifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Near Spring - Craggy Mt. Comment
  POM106258  Quercus vacciniifolia Geo. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1220 Comment
  POM106390  Quercus vacciniifolia Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain. Comment
  UCD47446  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  POM147915  Raillardella pringlei J. B. Feudge 1927-7-24 1818 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  UC444423 Image available Raillardella pringlei C. A. Pringle 1882-8-19 Siskiyou Headwaters of the Sacramento River. 2286 Comment
  UC70365  Ranunculus alismifolius var. alismifolius Milo S. Baker 1898-8-1 499 Siskiyou Medicine Lake; near shore Comment
  UC9358  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6 Siskiyou Medicine Lake; near shore Comment
  SEINET7042790  Ranunculus californicus A. G. Vestal 1955-5-17 s.n. Siskiyou Meadow at Oxbow west of Scott River. 9.5 miles south of Fort Jones. Etna quadrangle UTM Zone 10 508671mE, 4590390mN. Comment
  SEINET3160969  Ranunculus flammula var. reptans G. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek 1219 Comment
  UC60965  Ranunculus occidentalis Geo. B. Grant September, 1902 5070 Siskiyou Sisson Mount Shasta 914 Comment
  HSC18127  Ranunculus occidentalis var. dissectus Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  HSC37533  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7569 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC40653  Ranunculus occidentalis var. occidentalis J. P. Smith 1973-5-5 6461 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  POM268994  Ranunculus uncinatus var. parviflorus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  RSA136573  Rhamnus californica subsp. occidentalis Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  RSA7704  Rhamnus ilicifolia Doris K. Kildale 1927-11-20 4161 Siskiyou Hornbrook. Comment
  JEPS41948  Rhamnus purshiana Geo. D. Butler 1908-8-8 23 Siskiyou Marble Valley 1676 Comment
  UC80228  Rhamnus rubra Dr. E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  HSC19474  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-24 1461 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  CAS-BOT-BC419728  Rhododendron columbianum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -080 Siskiyou Lower Parks Creek Lake margin. 1 mile NE of China Mountain, eastern Klamath Ranges. 2200 Comment
  HSC4877  Rhododendron columbianum J. O. Sawyer 1968-7-9 453 Siskiyou W of Little Duck Lake at lake edge 1936 Comment
  SJSU6529  Rhododendron columbianum R. W. Trivelpiece 1973-6-21 144 .5 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  RSA697559  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CAS-BOT-BC200402  Rhododendron occidentale var. paludosum Alice Eastwood 1921-7-24 10750 Siskiyou Castle Lake Comment
  CHSC57405  Rhus aromatica L. P. Janeway 1984-4-21 859 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. On flat above river. 594 Comment
  JEPS66277  Rhus trilobata Willis L. Jepson 1894-8-9 13916 Siskiyou Shasta Springs; Upper Sacramento Region Comment
  UC1174944  Rhus trilobata P. C. Everett and E. K. Balls 1959-10-24 23945 Siskiyou 7 mi sw from Red Bank F. S. Camp ( on road from Sawyers Bar to Somesbar) Comment
  CAS-BOT-BC438012  Ribes L. E. Smith 1913-7-27 499 Siskiyou McCloud Comment
  JEPS49271  Ribes aureum Geo. D. Butler 1904-4-13 598 Siskiyou near Yreka (Butler's Ranch) Comment
  SEINET5343345  Ribes aureum G. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  HSC100865  Ribes binominatum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13061 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  CAS-BOT-BC92533  Ribes binominatum W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains. Comment
  UC858417  Ribes cereum Frank W. Gould 1940-5-15 1254 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  UC858421  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 mi n Weed (on U.S. Highway 97) Comment
  CAS-BOT-BC108766  Ribes cereum 1940-6-2 s.n. Siskiyou West of Indian Wells Ranger Station. Comment
  UC1034607  Ribes inerme var. inerme Douglas Barbe 1955-6-29 42 Siskiyou 1.8 mi e Callahan (s bank of river); Klamath Mountains, Scott River 975 Comment
  CAS-BOT-BC168869  Ribes inerme var. klamathense Ellsworth Bethel 1923-5-21 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC168870  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  HSC633  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC77492  Ribes lacustre L. P. Janeway 1983-6-26 344 Siskiyou Along FS Rd. 18N33 towards Poker Flat, 9 mi. from Grayback Rd. 1433 Comment
  CAS-BOT-BC173382  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11768 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  HSC29418  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou Marble Mtn. Wilderness Area, saddle along ridge between Charmaine Lake and Abbott's Lake 1890 Comment
  JEPS49363  Ribes lobbii Geo. D. Butler 1908-7-19 265 Siskiyou Humbug Creek Comment
  SBBG26908  Ribes lobbii J. T. Howell 1939-8-4 Siskiyou near Spirit Lake, Marble Mtns 1828 Comment
  RSA0021148  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC212485  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC40049  Ribes marshallii J. O. Sawyer 1970-7-4 2323 Siskiyou At Cedar Flat Cabin 1402 Comment
  CAS-BOT-BC219273  Ribes nevadense Alice Eastwood 1917-9-2 6701 Siskiyou Shasta Springs Comment
  HSC19438  Ribes nevadense J. O. Sawyer 1969-8-5 1946 Siskiyou Along Sugar Creek. 1921 Comment
  SEINET3151815  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  UC54301  Ribes nevadense H. M. Hall and E. B. Babcock June 1903 4131 Siskiyou Head of McCloud River Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC1096802  Ribes roezlii H. K. Wagnon and Douglas Barbe 1957-6-16 13127 Siskiyou Scott Mts. Klamath Mountains 1920 Comment
  CAS-BOT-BC199986  Ribes roezlii var. cruentum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53390 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC199999  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-25 5907 Siskiyou Mack's Creek, Klamath River near Hamburg Comment
  CAS-BOT-BC200001  Ribes roezlii var. cruentum Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  RSA0024602  Ribes roezlii var. cruentum Geo. D. Butler 1909-7-23 780 Siskiyou [No location information on label.] Comment
  UC1408854  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou nw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC570965  Ribes sanguineum Dorothy Tebbe 1929-6-7 128 Siskiyou Mount Eddy Comment
  CAS-BOT-BC144516  Ribes sanguineum var. sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou Klamath [National] Forest. North Hungry Cr. 1310 Comment
  HSC61942  Ribes sanguineum var. sanguineum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  HSC27330  Ribes viscosissimum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5667 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC42238  Ribes viscosissimum R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Near Kidd Creek 1829 Comment
  HSC69001  Ribes viscosissimum Maralyn A. Renner 1980-7-28 2197 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC1222366 Image available Ribes viscosissimum Joseph P. Tracy 1951-6-16 19500 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  CDA8538  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2629 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  RSA238851  Romanzoffia sitchensis Frederick W. Oettinger 1969-7-10 957 Siskiyou Due SSW of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  UC165305  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou near Yreka Comment
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Feb 18 2009
  UC1871382  Rosa Barbara Ertter 2006-7-30 18738 Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  RSA105510  Rosa eglanteria G. D. Barbe 1953-6-27 3 Siskiyou 0.8 miles N of Callahan near Hjertagers' Mill. 976 Comment
  CAS-BOT-BC146737  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC146750  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  HSC31805  Rosa gymnocarpa Steve Selva, Roger Jensen 1974-8-26 55 Siskiyou Sugar Lake trail Comment
  JEPS47278  Rosa gymnocarpa Ruby Van Deventer 1938-7-31 271 Siskiyou Twin Valley 1219 Comment
  SEINET7665504  Rosa gymnocarpa G. D. Butler 1910-8-7 1816 Siskiyou Humbug Mt. 1219 Comment
  UC2046561  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 a Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  JEPS84263  Rosa pisocarpa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6360 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley w of Cook and Green pass) 1900 Comment
  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
  JEPS100526  Rosa pisocarpa subsp. pisocarpa Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15852 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  JEPS109651  Rosa spithamea Dean W. Taylor 2002-6-29 18204 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  RSA150573  Rubus laciniatus Lee W. Lenz 1961-6-22 24359 Siskiyou 9 miles from the forks of the Salmon River on road to Somes Bar. 396 Comment
  HSC69516  Rubus leucodermis John Palmer 1980-8-12 750 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC147316  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  JEPS87796  Rudbeckia glaucescens Vernon H. Oswald and Lowell Ahart 1994-8-1 6418 Siskiyou 9 mi. s.w. of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 0.3 mi. e. of Forest Rd. 40N43) 1438 Comment
  UCD101018  Rumex acetosella A. A. Heller 1915-8-24 11209 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  RSA237784  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-4-19 1467 Siskiyou Near Abbots. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA237869  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-31 1566 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. Comment
  POM228880  Sagittaria cuneata L. C. Wheeler 1935-7-20 3669 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC445721  Sagittaria latifolia L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  HSC45040  Salix delnortensis J. O. Sawyer, E. Cope 1977-6-19 2953 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC34266  Salix eastwoodiae J. P. Smith, J. O. Sawyer 1973-8-14 7312 Siskiyou Around Cliff Lake 1860 Comment
  RSA183704  Salix eastwoodiae Gilbert Muth 1965-8-5 172 Siskiyou Along trail behind Black Mtn. Marble Mtns. Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  SD37402  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, in meadow near road and creek east of Metcalf ranch house 1200 Comment
  CAS-BOT-BC107069  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107070  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107085  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 853 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM107145  Salix lasiolepis Geo. D. Butler 1910-3-21 1135 Siskiyou Yreka Creek. Comment
  UC576384  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124534  Salix lasiolepis var. lasiolepis Alice Eastwood 1912-7-17 1181 Siskiyou Sisson Comment
  CAS-BOT-BC128301  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7499 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  RSA238010  Salix lucida subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou W of Hancock Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  SBBG57825  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC125934  Salix prolixa L. E. Smith 1914-3-18 588 Siskiyou Yreka Comment
  JEPS38485  Salix scouleriana W. L. Jepson 1907-7-19 2947 Siskiyou Indian Creek above Happy Camp; western Siskiyou Co. Comment
  SBBG57982  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  CAS-BOT-BC238890  Sambucus nigra subsp. caerulea Elmer I. Applegate 1935-6-5 9304 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  HSC65135  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-7-15 4347 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC236483  Sambucus racemosa subsp. racemosa Annetta Carter 1939-8-21 1479 Siskiyou Southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2042 Comment
  HSC29278  Sambucus racemosa var. racemosa Frederick W. Oettinger 1969-7-18 1059 Siskiyou Marble Mtn. Wilderness Area, E side of Upper English Lake. 1768 Comment
  UCR66580  Sanguisorba annua L. C. Wheeler 1934-6-22 2758 Siskiyou Siskiyou Mtns., Cottonwood Creek 915 Comment
  POM298617  Sanicula bipinnatifida Lincoln Constance, R. Shan 1946-5-31 3060 Siskiyou E bank of Sacramento River at Dunsmuir. 701 Comment
  RSA42340  Sanicula bipinnatifida Lincoln Constance, R. Shan 1946-5-31 3060 Siskiyou E bank of Sacramento River at Dunsmuir. 701 Comment
  OBI8761  Sanicula tuberosa Tracey Call, Viola Call 1964-6-20 2275 Siskiyou Scott Mt. campground. 168 Comment
  RSA211474  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the south fork of the Salmon River between the campground and Carter s 1524 Comment
  SEINET2140098  Santalaceae R. L. Mathiasen 2007-1 2007 -39 Siskiyou 6.4 km W. of McCloud on St. Rte. 89 at turn to Mt. Shasta Ski Park. 1340 Comment
  HSC4153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Mt. Diablo Meridian, Walker, Klamath River. 518 Comment
  JEPS93948  Sarcobatus vermiculatus Vernon H. Oswald and Lowell Ahart 1998-9-16 9632 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  JEPS47517  Saxifraga californica J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  POM354577  Saxifraga odontoloma M. B. Dunkle 1945-8-2 9271 Siskiyou Klamath Natl Forest. Marble Mt. Comment
  CAS-BOT-BC445883  Saxifragopsis fragarioides C. G. Pringle 1909-7-15 897 Siskiyou Highland Mine 1828 Comment
  RSA602813  Schedonorus pratensis L. C. Wheeler 1935-6-2 3545 Siskiyou Shasta River, Siskiyou Mountains. 732 Comment
  CAS-BOT-BC283649  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Siskiyou Mountains 838 Comment
  JEPS75307  Schoenoplectus acutus var. occidentalis Geo. D. Butler 1909-10-10 1092 Siskiyou swampy place 1 mi n Yreka; n of Yreka Comment
  CAS-BOT-BC111413  Schoenoplectus acutus var. occidentalis Doris K. Kildale 1929-7-21 8742 Siskiyou Elk Lisk, South Fork of Indian Creek 1219 Comment
  HSC74816  Schoenoplectus tabernaemontani J. P. Smith 1978-7-1 9996 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  CAS-BOT-BC35599  Scirpus congdonii Louis C. Wheeler 1934-8-14 3126 Siskiyou North side of White Mtn. 1767 Comment
  SBBG30568  Scirpus congdonii D. Myrick 1968-6-29 2056 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC1112259  Scirpus congdonii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5954 Siskiyou Gumboot Lake ca 6 mi due s Mt. Eddy (head of South Fork Sacramento River, Gumboot Lake); Gumboot Lake, head of South Fork Sacramento River 1859 Comment
  UCD21464  Scirpus congdonii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1204 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC35600  Scirpus congdonii A. H. Murphy 1954-8-21 54 -13 Siskiyou Round Meadow, Klamath National Forest 1676 Comment
  HSC773  Scirpus microcarpus William J. Ferlatte 1967-8-17 948 Siskiyou Yellow Rose Mine 1982 Comment
  UC184165  Scirpus tabernaemontani Geo. D. Butler 1908-8-29 137 Siskiyou Oro Fino Comment
  SEINET3160652  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  POM15709  Scrophularia californica Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  JEPS9919  Scrophularia lanceolata Geo. D. Butler 1908-7-9 524 Siskiyou along creek near Yreka Comment
  CHSC63403  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1994-7-11 6406 Siskiyou Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. 1447 Comment
  JEPS95565  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1994-7-11 6406 Siskiyou T39N R5W SW1/4 SE1/4 Sec. 16, 4750 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. In rocks at the base of a steep roadcut. 1447 Comment
  RSA20157  Scutellaria antirrhinoides J. T. Howell 1937-7-21 13194 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  SBBG30534  Scutellaria antirrhinoides D. Myrick 1968-6-24 2002 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk, Trinity Alps 1524 Comment
  JEPS57135  Scutellaria nana L. R. Heckard 1967-7-5 1602 Siskiyou Bolam Mount Shasta (along logging road, n side of Mount Shasta) 1524 Comment
  UC618653  Scutellaria nana W. Bridge Cooke 1938-8-23 11569 Siskiyou n slope of Shastina; Mount Shasta, Shastina 2438 Comment
  HSC46222  Scutellaria siphocampyloides Jennifer Whipple 1978-6-5 2332 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA445343  Scutellaria siphocampyloides M. B. Dunkle 1944-7-18 9120 Siskiyou Siskiyou Natl. Forest, Coastal Northern California. Comment
  HSC61169  Sedum divergens Al Hobart 17 Jul [year missing] Siskiyou El Capitan Comment
  JEPS50723  Sedum divergens Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on steep sides of El Capitan, Siskiyou Mountains, extreme western Siskiyou County); Siskiyou Mountains, El Capitan, s of Youngs Valley 1828 Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  JEPS96686  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) Comment
  HSC83321  Sedum oblanceolatum J. M. O'Hare-Wade, S. Darington, S. B. Hogan, H. de Looze 1987-5-30 1 Siskiyou Along road from Cook and Green Pass to the Applegate River 1500 Comment
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC59367  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-30 1075 Siskiyou Marble Gap 2300 Comment
  CAS-BOT-BC61464  Sedum oregonense Gilbert Muth 1966-1-1 698 Siskiyou Marble Mts. Comment
  JEPS81635  Sedum rosea subsp. integrifolium Roger Raiche 1982-7-7 20576 Siskiyou Alex Hole Siskiyou Mts., Alex Hole (at center of hole near campground, Siskiyou Mts.) 1950 Comment
  UC1299669  Sedum spathulifolium Freed W. Hoffman 1950-7-14 4010 Siskiyou Clear Creek trail from Baldy Lookout (western Siskiyou County); Clear Creek trail from Baldy Lookout Comment
  HSC44705  Sedum spathulifolium var. spathulifolium J. O. Sawyer, E. Cope 1977-6-18 2899 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC29492  Selaginella scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake, 2073 Comment
  OBI1557  Selaginella scopulorum Lawrence L. Kiefer 1963-8-8 827 Siskiyou Vicinity of White Mtn (N of Town of Horse Crk), along trl from Siskiyou Summit to White Mtn 1524 Comment
  CAS-BOT-BC363422  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  JEPS37594  Senecio aronicoides Geo. D. Butler 1909-4-9 629 Siskiyou 6.0 mi ne Yreka; Humbug Comment
  RSA0013325  Senecio aronicoides B. C. Templeton 1964-6-9 10066 -a Siskiyou Slope of Mt. Shasta Comment
  JEPS82268  Senecio fremontii var. fremontii Roger Raiche 1983-8-13 30600 Siskiyou near summit of Mt. Eddy; Mt. Eddy 2743 Comment
  CAS-BOT-BC363933  Senecio integerrimus var. exaltatus Carl B. Wolf 1934-7-5 5964 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC363937  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1323 Siskiyou Goosenest foothills 1676 Comment
  CAS-BOT-BC364045  Senecio integerrimus var. major J. H. Thomas 1954-5-13 4137 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  HSC34129  Senecio integerrimus var. major J. O. Sawyer 1969-6-12 907 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS74472  Senecio integerrimus var. major W. J. Ferlatte 1966-6-23 147 Siskiyou Big Flat Trinity Alps 1524 Comment
  CAS-BOT-BC364444  Senecio triangularis Doris K. Kildale 1928-8-18 6498 Siskiyou Head of north fork of Salmon River at Finleys Upper Camp Comment
  UC1483533  Senecio triangularis John Palmer 1980-8-12 689 Siskiyou se Wards Gap; Condry Mtn. Quad., Klamath National Forest 1188 Comment
  UCR37822  Senecio triangularis K. T. Stillman 1976-7-30 311 Siskiyou Marble Mtn Wilderness Area, trail from Big Rock Camp to Jumpoff 1982 Comment
  CAS-BOT-BC364420  Senecio triangularis D. H. Norris 1968-7-29 2214 Siskiyou Along trail from Big Flat to Yellow Rose Mine. 1828 Comment
  POM5594  Senecio triangularis E. B. Copeland 1903-8-19 16278 Siskiyou Mt. Eddy. 1463 Comment
  CAS-BOT-BC364788  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  UC1409367  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou ridges near Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  UC1483451  Sidalcea glaucescens Maralyn A. Renner 1980-6-23 997 Siskiyou West Fork Seiad Creek , Seiad Valley Quad. (Klamath National Forest) 877 Comment
  CAS-BOT-BC205791  Sidalcea oregana Geo. D. Butler 1909-6-4 768 Siskiyou Near Yreka Comment
  SBBG4716  Sidalcea oregana H. and M. Dearing 1939-6-30 3757 Siskiyou Callahan-Trinity Alps Rd 1219 Comment
  UC164426  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  JEPS125970  Sidalcea oregana subsp. oregana D. W. Taylor 1999-8-12 17317 Siskiyou Mill Creek headwaters, Marble Mountains, ca 4 mi W of Mugginsville, Quartz Valley Comment
  RSA211117  Sidalcea oregana subsp. oregana W. J. Ferlatte 1966-8-18 419 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  UC871509  Sidalcea oregana subsp. spicata Alice Eastwood 1912-7-18 1216 Siskiyou Sisson Comment
  RSA68937  Sidalcea oregana subsp. spicata A. E. Culbertson 1943-7-17 21 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  UCD116856  Sidalcea oregana subsp. spicata J. M. Tucker 1950-7-23 1934 Siskiyou roadside just west of Mount Shasta High School, town of Mount Shasta. Comment
  CAS-BOT-BC181194  Silene campanulata subsp. glandulosa Roxana S. Ferris; Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan 1524 Comment
  JEPS84221  Silene campanulata subsp. glandulosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6365 Siskiyou ca 7 mi nne Seiad Valley (ca 1/2 mi e of Red Butte summit, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1900 Comment
  UC166111  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine 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
  HSC99733  Silene campanulata subsp. greenei G. L. Clifton, Grisswold 1979-6-28 6111 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  SD61046  Silene douglasii Darley F. Howe 1964-8-4 3935 Siskiyou 9.0 miles south from entrance to Modoc National Forest on road to Medicine Lake. 2040 Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 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
  UC1409290  Silene grayi Frederick W. Oettinger 1968-8-22 592 Siskiyou high lake basins in vicinity English Peak (n slope of English Peak, near Lookout, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2222 Comment
  UC572803  Silene grayi W. Bridge Cooke 1937-7-28 9145 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC388944  Silene grayi Mary Ann Showers 1980-8-28 2068 Siskiyou Lower slope of Red Butte, on lower slope of Mt. Shasta, Shasta-Trinity Natl Forest 2407 Comment
  HSC4217  Silene latifolia Dorothy Parker 1949-6-30 Siskiyou Along banks of Crystal Creek, Scott Valley 872 Comment
  CAS-BOT-BC389418  Silene lemmonii A. M. Vollmer; L. Beane 1951-6-2 58 Siskiyou Road betw. Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  CAS-BOT-BC389430  Silene lemmonii Alice Eastwood 1912-7-21 1287 Siskiyou Sisson Comment
  CAS-BOT-BC389526  Silene menziesii Milo S. Baker 1926-8-2 163 -'26 Siskiyou Trinity Alps Resort - at sawmill Comment
  JEPS53887  Sisymbrium altissimum W. L. Kleaver 1919-6-10 2 Siskiyou Yreka Comment
  HSC43826  Sisymbrium altissimum Maralyn O'Meara 1974-5-27 481 Siskiyou Along FS Rd. 47N03 1280 Comment
  CDA39481  Sisyrinchium douglasii T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  UC1409216  Smilacina racemosa Frederick W. Oettinger 1968-8-7 438 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UC454432  Smilacina racemosa I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  UC164383  Smilacina stellata Geo. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  HSC101708  Smilax californica J. P. Smith, J. O. Sawyer 2011-6-25 13252 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  JEPS120258  Smilax californica Julie Kierstead Nelson with Rhonda Posey, Mary Ellen Colberg 2011-7-12 2011 -41 Siskiyou Eastern Klamath Mountains, The Eddys. County Road 26, south side of Siskiyou lake, ca. 3 miles SW of Mt. Shasta City Comment
  POM109214  Smilax jamesii Geo D. Butler 1910-6-6 1466 Siskiyou Quartz Valley Comment
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  RSA237903  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1814 Comment
  JEPS12122  Solanum triflorum Fred P. Cronemiller Jr. 1929-8-6 Siskiyou Paynes Cove, Modoc National Forest Paynes Cove; Modoc National Forest, Paynes Cove 1341 Comment
  RSA238032  Solanum umbelliferum Frederick W. Oettinger 1969-7-11 971 Siskiyou Approx. 0.2 mile below the 13 mile marker along the trail from English to Diamond Lake. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains. 2012 Comment
  POM58755  Solidago canadensis subsp. elongata Copeland 1903-8-12 3823 Siskiyou Sisson. Comment
  RSA211503  Solidago canadensis subsp. elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC365552  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  HSC46879  Solidago elongata William J. Ferlatte 1976-9-22 1863 Siskiyou Above Yellow Rose Mine Trail on W side of Grouse Ridge ca. 1 mi. from Big Flat 1770 Comment
  JEPS47362  Solidago elongata L. R. Heckard 1966-6-20 1529 Siskiyou on old McCloud Road about 1 mi ne Mt. Shasta (town) 1127 Comment
  HSC6196  Solidago multiradiata D. M. Thomson 1965-8-14 193 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  CAS-BOT-BC365760  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC157321  Sorbus californica Wm. Bridge Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail spring Comment
  CHSC1607  Sorbus californica M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC18905  Sorbus californica J. O. Sawyer 1968-7-23 590 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC164082  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Eton Creek; Salmon Mountains Comment
  CAS-BOT-BC158930  Sorbus scopulina K. T. Stillman 1976-6-25 86 B Siskiyou N sie of Elk Valley, Marble Mountain Wilderness area 1798 Comment
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC390721  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC63488  Spergularia rubra M. A. Baker 1978-5-20 585 Siskiyou Happy Camp Comment
  RSA472773  Spiraea densiflora M. B. Dunkle 1945-1 9306 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC149691  Spiraea douglasii John Thomas Howell 1937-7-22 13275 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM140065  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek. 1220 Comment
  RSA68956  Spiraea douglasii A. E. Culbertson 1943-8-8 2 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC152555  Spiraea splendens Doris K. Kildale 1929-7-20 8729 Siskiyou Raspberry Lake, near east spur Peston Peak Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SJSU6518  Spiraea splendens R. W. Trivelpiece 1972-6-29 143 Siskiyou N of Kelsey Range Ridge Trail, W of Red Hill, 12 mi W of Klamath R c. 16 mi SW of Happy Camp 1524 Comment
  HSC97382  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1974-8-16 420 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  HSC27218  Stachys mexicana J. P. Smith, J. O. Sawyer 1971-9-17 4790 Siskiyou Horse Range Creek drainage along road. Comment
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  RSA447393  Stachys rigida subsp. rivularis M. B. Dunkle 1945-8-2 9273 Siskiyou Paradise Lake, Klamath National Forest, Marble Mts. Comment
  CAS-BOT-BC181422  Stellaria calycantha John Thomas Howell 1939-8-3 14966 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC58  Stellaria longipes subsp. longipes William J. Ferlatte 1966-6-23 140 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  CHSC99976  Stenanthium occidentale L. P. Janeway 2008-7-25 9493 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  JEPS82444  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail Marble Mt. Wilderness Area (along first bluff) 1828 Comment
  RSA256591  Stenanthium occidentale J. D. Ackerman, A. M. Montalvo 1974-8-17 425 Siskiyou Western slope Preston Peak ca. 0.5 mile north of Rattlesnake Meadow 1646 Comment
  UC1299354  Stenanthium occidentale Freed W. Hoffman 1951-7-15 4043 Siskiyou w side Kelsey Creek (Hammond Camp); Marble Mountains 1524 Comment
  UC165400  Stephanomeria lactucina Geo. D. Butler 1909-7-25 959 Siskiyou Highland Mine Comment
  CAS-BOT-BC375942  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Creek 1036 Comment
  HSC45895  Stipa thurberiana Laura Witherspoon 1978-7-13 36 Siskiyou Klamath Natl. Forest W of Tennant Rd. Comment
  HSC81569  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6072 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC455752  Streptanthus barbatus I. J. Condit 1909-8-25 Siskiyou along trail Sisson, North Fork 914 Comment
  CAS-BOT-BC87874  Streptanthus tortuosus Donald Myrick 1961-6-20 273 Siskiyou Near Mount Shasta City. 1066 Comment
  HSC18973  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-8 1093 Siskiyou NE slope above Little Duck Lake 2140 Comment
  HSC60663  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-22 8781 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  HSC77063  Streptanthus tortuosus var. tortuosus K. T. Stillman 1976-8-7 195 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC92954  Stuckenia filiformis subsp. alpina Jennifer Whipple 1977-8-6 2199 Siskiyou Dobkins Lake 2058 Comment
  JEPS44096  Swertia albicaulis var. albicaulis W. B. and V. G. Cooke 1965-7-12 35174 Siskiyou Bolam Road Mt. Shasta Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  RSA105341  Symphoricarpos acutus G. D. Barbe 1955-8-1 334 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  SEINET10500902  Symphoricarpos albus var. laevigatus Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6965 Siskiyou Road cut, 0.1 mi N of Hornbrook. 732 Comment
  UC63715  Symphoricarpos albus var. laevigatus H. M. Hall and E. B. Babcock Jun 1903 4036 Siskiyou near Dunsmuir (Mount Shasta); Sierra Nevada Mountains, Mount Shasta 609 Comment
  RSA43680  Symphoricarpos hesperius H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  CAS-BOT-BC234782  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4447 B Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC234793  Symphoricarpos mollis A. A. Heller 1905-6-1 s.n. Siskiyou Between Upper Soda Spring [Springs] and Shasta Retreat Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC18883  Symphoricarpos mollis J. O. Sawyer 1968-9-10 680 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC27962  Symphoricarpos mollis Carl W. Mize 1972-9-23 122 Siskiyou 610 Comment
  UC478989  Symphoricarpos mollis Marcus E. Jones, A. M. 1931-7-17 29034 Siskiyou Shasta City; Session's Comment
  CAS-BOT-BC97582  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  CAS-BOT-BC99034  Symphyotrichum cusickii Doris K. Kildale 1928-8-20 6619 a Siskiyou Hancock Lookout, on trail to Marble Mt. Comment
  UC60978  Symphyotrichum foliaceum Geo. B. Grant 1902-1 5186 Siskiyou Mt. Shasta 609 Comment
  HSC29235  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1969-8-16 1407 Siskiyou Marble Mtn. Wilderness Area, central areas of Wire Grass Meadow below English Lake 1677 Comment
  UC76034  Symphyotrichum spathulatum Milo S. Baker 1899-7-18 Siskiyou near, on Sacramento River (e slope of Mt. Shasta) Sissons; Mt. Shasta Comment
  CAS-BOT-BC98428  Symphyotrichum spathulatum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  CAS-BOT-BC221960  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon. North slope of Round Mountain Comment
  RSA237669  Tauschia howellii Frederick W. Oettinger 1967-8-21 298 Siskiyou 20 yards south off the Tom Taylor Cabin- Pine Lake Trail, just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC85236  Taxus brevifolia Elmer I. Applegate 1895-5-28 650 Siskiyou 18th Crossing SPRR, Sacramento River, below Sisson Comment
  CAS-BOT-BC85247  Taxus brevifolia Doris K. Kildale 1929-8-24 8843 Siskiyou Preston Peak 2225 Comment
  RSA384696  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  SEINET3876098 Image available Taxus brevifolia Alv Dan Youngberg 1964-8-17 34 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  UC455419  Taxus brevifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  CAS-BOT-BC447416  Tellima grandiflora Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  POM100448  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC88066  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley, near the Klamath River. Comment
  CDA25194  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  RSA530128  Thelypodium brachycarpum D. W. Taylor 1987-8-9 9289 Siskiyou Lower Klamath Nat l Wildlife Refuge, alon Hwy 161 (Oregon border) 8.3 miles W from Hwy 139. 1250 Comment
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Jun 7 2008
  CAS-BOT-BC66794  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  SEINET12476655  Thysanocarpus curvipes G. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  RSA237931  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-3 371 Siskiyou Base camp, Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2012 Comment
  JEPS83830  Tofieldia occidentalis subsp. occidentalis Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake Siskiyou Mts., vicinity Cook and Green Pass Comment
  SEINET5357974  Torreyochloa pauciflora E. Palmer 1892-1 2615 Siskiyou Near Mt. Shasta Comment
  POM33167  Tragopogon pratensis Geo D. Butler 1910-7-1 1619 Siskiyou Yreka. Comment
  CHSC30093  Triantha occidentalis subsp. occidentalis M. S. Taylor 1980-7-22 3173 Siskiyou Ca. 0.1 mi sw of Big Carmen Lake, on s side of 40N08, ca. 2.3 mi ne of its jct with Hwy 3 at Scott Mt. Summitt. 1737 Comment
  HSC69052  Triantha occidentalis subsp. occidentalis Maralyn A. Renner 1980-8-6 2308 Siskiyou Cracker Meadow 1555 Comment
  HSC63477  Triantha occidentalis subsp. occidentalis M. A. Baker 1979-7-31 1092 Siskiyou Marble Mtn. Wilderness Area, head of Tickner Hole 1750 Comment
  HSC99288  Trichostema simulatum C. B. Wolf 1927-8-26 1054 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  RSA78688  Trifolium eriocephalum Philip A. Munz 1952-7-2 17883 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  SEINET12147893  Trifolium eriocephalum H. M. Hall, Babcock, E. B. 1903-1 4076 Siskiyou Mount Shasta. Near Upton 1219 Comment
  HSC104145  Trifolium howellii Dana York 2011-8-14 3078 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  HSC30416  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow; elev. 6150 ft 1875 Comment
  JEPS84259  Trifolium howellii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6350 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  UC1409203  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou near English Lake; Salmon Mtns, Marble Mtn Wilderness Area, English Peak vicini 1706 Comment
  RSA582434  Trifolium longipes Louis C. Wheeler 1935-7-26 3706 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC866843  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy 1676 Comment
  UC1733732  Trifolium macrocephalum Frank Gould, Kay H. Beach 1940-5-15 1236 Siskiyou Bull Meadows Comment
  UC163875  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka Comment
  JEPS107918  Triglochin concinna Lowell Ahart, John Dittes 2005-6-9 11999 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
  JEPS95247  Triglochin concinna Steve Edwards 1996-7-14 Siskiyou Road A12, 6.2 mi W of Big Springs Road, or 0.7 mi E of RR tracks in Granada Shasta Valley Comment
  UC164025  Trillium albidum Geo. D. Butler 1908-7-19 1087 Siskiyou Humbug <road> Comment
  CDA39375  Trillium chloropetalum F. D. Horn 1978-4-24 s.n. Siskiyou Van Horn Gulch near Fort Jones. 0 Comment
  RSA78846  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 Comment
  CHSC95119  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8744 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope just above the creek. 1762 Comment
  SEINET3888777  Trillium ovatum subsp. oettingeri Maralyn A. O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek loggin road, about 1/4 miles from confluence of Statute Lake Creek and Music Creek.; 0 1829 Comment
  SEINET10459927  Triodanis perfoliata Unknown 1943-5-8 Anonymous s.n. Siskiyou SCOTT VALLEY Comment
  UC196952  Trisetum canescens Geo. D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC200272  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  RSA184773  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  RSA233651  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38997 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC133484  Triteleia crocea Geo. D. Butler 1910-5-5 1287 Siskiyou Humbug Mt. Comment
  CAS-BOT-BC133489  Triteleia crocea A. M. Vollmer; L. Beane 1951-6-2 51 Siskiyou Road between Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  RSA120195  Triteleia hyacinthina S. S. Tillett 1956-7-11 682 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  CAS-BOT-BC522343  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou Hawkinsville Comment
  RSA309015  Triteleia hyacinthina J. G. Lemmon 1889-6-28 s.n. Siskiyou Near Edgwood [Edgewood] Comment
  CAS-BOT-BC80247  Tsuga mertensiana subsp. grandicona Doris K. Kildale 1928-8-19 6536 Siskiyou Summit of Divide between English Lake + Hancock Lake, trail to Marble Mt. 1992 Comment
  CAS-BOT-BC80255  Tsuga mertensiana subsp. grandicona G. A. Coleman 1901-7-31 36 Siskiyou Near summit of range, west of forks of Salmon River Comment
  POM207277  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2223 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  SEINET8715148 Image available Umbellularia californica Unknown 1940-1 2223 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp. Comment
  HSC18863  Vaccinium cespitosum J. O. Sawyer 1968-7-22 545 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS776  Vaccinium cespitosum Harley P. Chandler Jun 1901 1578 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  RSA760540  Vaccinium cespitosum R. F. Thorne, Frederick W. Oettinger 1969-8-4 63363 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  CHSC88999  Vaccinium membranaceum Gail A. Newton 1981-7-29 2337 Siskiyou Klamath National Forest. Near Kelsey Trail. 1639 Comment
  HSC19113  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1964 Siskiyou Alluvial terrace along South Sugar Creek 1692 Comment
  HSC19361  Vaccinium membranaceum J. O. Sawyer 1968-7-22 539 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC23660  Vaccinium scoparium J. O. Sawyer 1969-8-3 1941 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  HSC29343  Vaccinium uliginosum Frederick W. Oettinger 1969-9-5 1676 Siskiyou Marble Mountain Wilderness, SE side of Wiregrass meadow below English Lake 1677 Comment
  HSC87235  Vahlodea atropurpurea K. Berg, Stephanie Bennett 1986-8-25 653 Siskiyou Salmon-Trini