Search Results — 2000 specimen records retrieved (1436 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78137  Abies X shastensis G. B. Grant 1902-9-7 5124 Trinity Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC73515  Abies concolor Carl B. Wolf 1937-8-12 9179 Trinity North Coast Range, South Fork Mt., 3 1/2 mi. so. of Cold Spring Lookout. 1524 Comment
  HSC100025  Abies concolor J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-6-13 12936 Trinity Along road to summit of Hayfork Bally. 1801 Comment
  HSC73760  Abies concolor Gail Newton 1980-7-13 1398 Trinity Near Red Rock. 139 Comment
  SD42338  Abies concolor Carl B. Wolf 1937-8-12 Trinity North Coast Range, South Fork Mountain, 1.5 miles south of Cold Spring Lookout 1525 Comment
  UCD134114  Abies concolor Joseph M. DiTomaso 1975-9-4 314 Trinity Trinity Alps. Granite Lake north of Coffee Creek. 1965 Comment
  UCR11254  Abies concolor Wm. Horn Jr. 1967-6-6 670606- 01 Trinity 1 mi east of Wildwood Store, Hwy 36 1139 Comment
  HSC45494  Abies magnifica Maralyn O'Meara 1972-9-12 108 Trinity Boulder Lake Comment
  UC401388  Abies magnifica var. magnifica Annie M. Alexander and L. Kellogg 1911-8-14 333 Trinity Head of Deadfall Cr. Comment
  SBBG4080  Acer circinatum H. and M. Dearing 1939-6-16 3660 Trinity near Weaverville Comment
  SDSU2128  Acer glabrum L. N. Harvey 1930-9-29 691 Trinity Comment
  UC1171596  Acer glabrum var. glabrum H. A. Jensen 1932-8-11 252 Trinity Head of Canyon Creek Trinity Forest, Big Bar Quad. 1737 Comment
  RSA98651  Acer glabrum var. torreyi H. M. Pollard 1953-8-20 s.n. Trinity Creek-crossing on Red Mountain Trail, north of Trinity Alps Resort. 1982 Comment
  RSA1383  Acer macrophyllum E. R. Johnson 1930-10-17 1588 Trinity 5 miles west of Powerhouse on the Redding-Weaverville Road 366 Comment
  HSC47619  Acer negundo var. californicum J. P. Smith 1977-5-15 9070 Trinity Along Hwy. 3 in Yreka Comment
  HSC72512  Achillea millefolium Gail Newton 1980-7-1 795 Trinity Near Hayden Roughs. 1250 Comment
  HSC72723  Achillea millefolium Gail Newton 1980-7-2 887 Trinity Near Swim Ridge 1341 Comment
  CAS-BOT-BC18763  Achillea millefolium J. T. Howell 1937-7-28 13596 Trinity Coffee Creek Canyon near the chalet Comment
  SEINET10534606  Achillea millefolium M. S. Mayer, S. Meredith; D. Bjornbak 1985-5-10 Mayer 41 Trinity Steelbridge campground; hillside, exposed understory, with Douglas Fir and Black Oak; sw exposure, above creek-75 ft. 536 Comment
  UC472294  Achlys californica Mrs. M. H. Manning 1901-1 120 Trinity Trinity Summit Comment
  HSC40793  Acmispon denticulatus Thomas W. Nelson, James Nelson 1976-6-22 2783 Trinity Above Senteney Rock 1524 Comment
  HSC40663  Acmispon denticulatus Thomas W. Nelson, Jane P. Nelson 1976-7-1 2943 Trinity Along road 5E27 just N of its junction with 1S07 1555 Comment
  HSC70486  Acmispon micranthus J. P. Smith 1975-5-16 8091 Trinity Trails above Trinity River at Grays Falls Campground 310 Comment
  SD42579  Acmispon nevadensis Carl B. Wolf 1937-6-20 8928 Trinity North Coast Range, along Mad River,5.8 miles above Eureka, Red Bluff Road on road to Ruth 456 Comment
  HSC72610  Acmispon nevadensis var. nevadensis Gail Newton 1980-7-1 827 Trinity Near Hayden Roughs. 1250 Comment
  HSC82049  Acmispon nevadensis var. nevadensis Thomas W. Nelson, Jane P. Nelson 1980-6-17 5486 Trinity Along Old Hwy. 3, 1 mi. from jct. with Hwy. 3, opposite entrance to Philpot Campground 762 Comment
  HSC51182  Acmispon wrangelianus G. L. Clifton, Overton 1979-6-4 4005 Trinity Near Van Duzen River, close to the town of Alderpoint. 853 Comment
  HSC51243  Acmispon wrangelianus G. L. Clifton, Overton 1979-6-4 4081 Trinity Near Van Duzen River, close to the town of Alderpoint 853 Comment
  UC130642  Aconitum columbianum H. M. Hall July, 1909 8635 Trinity Big Flat Salmon Mts., Big Flat 1463 Comment
  UC668073  Aconitum columbianum Joseph P. Tracy 1935-8-6 14657 Trinity head of N. Fork White's Creek (around White's Creek Lake); Devil's Canyon Mts., , White's Creek La 1981 Comment
  UCD95325  Aconitum columbianum Joseph M. Di Tomaso 1975-7-31 221 Trinity Tangle Blue Lake. 1737 Comment
  CAS-BOT-BC391490  Aconitum columbianum subsp. columbianum Milo S. Baker 1926-7-24 128 b-'26 Trinity S. Fork Mt. - bog 2 mi. from highway Comment
  HSC92951  Aconogonon davisiae Jennifer Whipple 1976-6-10 955 Trinity Deadfall Creek drainage in the vicinity of Deadfall Lakes 2378 Comment
  UC922615  Actaea rubra Annie M. Alexander and Louise Kellogg 1948-8-6 5420 Trinity Canyon Creek (tributary of Trinity R.) Trinity Mts., Canyon Creek (tributary of Trinity R.) 1676 Comment
  HSC56748  Adenocaulon bicolor G. L. Clifton, Butler 1979-7-18 8424 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  HSC71525  Adenocaulon bicolor J. P. Smith, Thomas W. Nelson 1979-6-26 10227 Trinity Shasta-Trinity National Forest, Philpot Campground on Philpot Creek. 793 Comment
  HSC841  Adenocaulon bicolor William J. Ferlatte 1967-8-8 846 Trinity Upper Canyon Creek Meadow 1524 Comment
  CAS-BOT-BC65535  Adiantum aleuticum Anna A. Junkans 1915-5-20 s.n. Trinity Weaverville Comment
  RSA739624  Adiantum aleuticum L. P. Janeway 2005-7-23 9461 Trinity Klamath Ranges, Trinity Mtns/ The Eddys, along road 40N45 9.8 road km NNW of road 26, at a small tributary creek to upper Little Picayune Creek 1847 Comment
  UC922646  Adiantum aleuticum Annie M. Alexander and Louise Kellogg 1948-8-1 5380 Trinity e and w bank of Canyon Creek Dedrick; Trinity Mts 762 Comment
  HSC380  Adiantum aleuticum William J. Ferlatte 1967-8-17 972 Trinity Head of Bullards Basin 1982 Comment
  RSA105317  Adiantum aleuticum G. D. Barbe 1955-8-3 337 Trinity Along Dan Rice Creek, 3 miles south of Scott Mountain Forest Camp on Scott Mountain Road. 1387 Comment
  HSC100224  Aegilops neglecta J. P. Smith 2010-6-25 12979 Trinity Vacant lot adjacent to shopping center on Hwy. 299 in Weaverville 614 Comment
  CAS-BOT-BC206887  Aesculus californica Houseman; Strull; Linstedt 1984-5-12 40 Trinity Unspecified 457 Comment
  HSC73558  Agastache urticifolia Gail Newton 1980-7-10 1159 Trinity Near Senteney Rock. 1545 Comment
  JEPS94419  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-17 8718 Trinity Forest Road 29 (Bramlot Road) 2.9 mi s of Highway 36 (near a dry drainage at this location); Forest Road 29 (Bramlot Road) 1158 Comment
  UC1212153  Ageratina occidentalis Francia Chisaki and Helen K. Sharsmith 1959-8-18 4726 Trinity about 3 mi above Scott Mountain Creek; Tangle Blue Creek, Scott Mountain grade 1371 Comment
  UC1585414  Ageratina occidentalis R. Raiche, Kurt Zadnik, and H. Forbes 1989-10-4 UCBG 82 Trinity Mt. Eddy area below Deadfall Lakes; Mt. Eddy 2136 Comment
  UC184898  Ageratina occidentalis Harry S. Yates 1914-7-14 506 Trinity Stuarts For<k?> Comment
  CAS-BOT-BC29465  Ageratina occidentalis Philip Alexander Munz 1951-7-18 16639 Trinity North slope of Yolla Bolly Peak, North Yolla Bolly Mountains, Tehama County line 1981 Comment
  CAS-BOT-BC29472  Ageratina occidentalis Eugene Carter 1972-7-29 494 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity.18 miles N Weaverville. Mouth of Hobo Gluch. 883 Comment
  HSC5640  Ageratina occidentalis R. Spellenberg 1964-8-1 555 Trinity Near Cedar Flat, Burnt Ranch Comment
  HSC35951  Agoseris grandiflora Thomas W. Nelson 1975-6-20 1958 Trinity Black Lassic area 1799 Comment
  HSC73185  Agoseris heterophylla R. York 1980-5-25 801 Trinity Near Browns Canyon 823 Comment
  CAS-BOT-BC13475  Agoseris retrorsa Annie M. Alexander; Louise Kellogg 1949-7-4 5767 Trinity North Yolla Bolly, Yolla Bolly Middle Eel Primitive Area 2133 Comment
  CAS-BOT-BC42932  Agoseris retrorsa Elizabeth McClintock 1956-6-14 s.n. Trinity Trail to Lion Lake, west of Coffee Creek Comment
  HSC51286  Agoseris retrorsa G. L. Clifton, Overton 1979-6-4 4127 Trinity Near Shanty Creek, close to the town of Alderpoint 853 Comment
  HSC73549  Agoseris retrorsa Gail Newton 1980-7-10 1173 Trinity Near Senteney Rock. 1545 Comment
  HSC82636  Agoseris retrorsa Thomas W. Nelson 1979-5-13 4656 Trinity Along Rd. from SR 3 to Deerlick Springs 2 mi. S of Blanchard Flats. 640 Comment
  CAS-BOT-BC227193  Agropyron cristatum Eugene Carter 1974-7-6 858 Trinity Salmon-Trinity Alps and vicinity. Dry road shoulder along the Rich Gulch Logging Road 762 Comment
  CHSC91583  Agrostis D. Isle 1997-9-30 412 Trinity Mendocino National Forest--North Coast Ranges. Upper Middle Fork Eel River Watershed. In Yolla Bolly Wilderness. 1051 Comment
  CAS-BOT-BC126954  Agrostis exarata David D. Keck 1944-7-10 5477 Trinity 3 miles east of Forest Glen, above Post Creek. 792 Comment
  CAS-BOT-BC126955  Agrostis exarata John Thomas Howell 1937-7-28 13604 Trinity Trinity River Canyon near Eagle Creek. Comment
  CAS-BOT-BC227223  Agrostis exarata Eugene Carter 1975-8-13 1062 Trinity North Fork Trinity River 1066 Comment
  JEPS109557  Agrostis pallens Dean W. Taylor 2002-7-19 18245 Trinity Fern Campground, South Fork Mountain near Pickett Peak, meadow just upslope from campground 1645 Comment
  CAS-BOT-BC138590  Agrostis stolonifera John Thomas Howell 1936-8-24 12741 Trinity Summit of Scott Mountains in Carrville. Comment
  CHSC53664  Agrostis stolonifera L. P. Janeway 1987-6-29 2395 Trinity Old floodplain of the Trinity River near mouth of Grass Valley Cr; flat mdw-wetland area on N side of Lewiston Rd 1.8 mi from hwy 299. 'Lowden Ranch'. 533 Comment
  CHSC82168  Agrostis stolonifera L. P. Janeway 2001-7-15 7325 Trinity Klamath Ranges. At Foss Camp Spring, 1.3 km south of Red Mountain; head of Red Mountain Creek. With meadow about 70 m below. 1390 Comment
  UC552731  Agrostis variabilis Joseph P. Tracy 1935-8-5 14554 Trinity head White's Creek (Devil's Canyon Mts.); , head White's Creek 2072 Comment
  SD50748  Ailanthus altissima Darley F. Howe 1959-8-4 Trinity 12 miles west of Weaverville on #299 456 Comment
  HSC23640  Aira caryophyllea J. O. Sawyer 1970-5-23 2561 Trinity Above New River 244 Comment
  HSC68721  Aira caryophyllea Jacqueline Greenleaf 1980-5-24 96 Trinity Near Browns Canyon. 792 Comment
  SEINET201010  Aira caryophyllea Joseph P. Tracy 1925-5-17 6996 Trinity North Coast Ranges; Hennessey Road leadin up south fork of Trinity River 610 Comment
  UC615423  Allium acuminatum Beryl O. Schreiber 1934-6-6 1154 Trinity 5 mi w Weaverville Comment
  CAS-BOT-BC461079  Allium acuminatum Anna A. Junkans 1915-1-1 s.n. Trinity Weaverville Comment
  HSC39475  Allium amplectens J. P. Smith 1972-5-27 Trinity 0.5 mi. N of Eagle Creek Campground 869 Comment
  HSC70113  Allium amplectens Thomas W. Nelson, Jane P. Nelson 1978-6-23 4343 Trinity Along road to Hell to Find Lake Comment
  CAS-BOT-BC462240  Allium amplectens H. C. Cantelow 1936-5-21 1322 Trinity 8 mi. n. of Carrville. s. slope Scott Mt. Comment
  RSA367062  Allium amplectens B. C. Templeton 1957-6-25 7741 Trinity Near the summit of Scott Mtn. Comment
  UC1198191  Allium bolanderi Joseph P. Tracy 1911-9-25 3541 Trinity 8 mi below Ruth (flats along Mad River); Northern Coast Ranges, Mad River 914 Comment
  HSC72712  Allium bolanderi var. bolanderi Gail Newton 1980-7-2 967 Trinity Near N Kelsey Peak 1463 Comment
  JEPS100215  Allium bolanderi var. bolanderi Dean W. Taylor 2002-6-5 18110 Trinity Highway 3 on Stuart Fork Clair Engle Reservoir, hillside directly east from Stony Creek Campground 746 Comment
  HSC42478  Allium campanulatum Robert M. Specht 1977-6-30 1133 Trinity Ukiah District [somewhere within the BLM district bounday, see County and TRS for location, not from the city of Ukiah proper], E side of ridge Comment
  HSC73592  Allium campanulatum Gail Newton 1980-7-10 1281 Trinity Near Senteney Rock 1463 Comment
  HSC74585  Allium campanulatum M. A. Baker 1980-7-13 2894 Trinity Near Red Rock 1585 Comment
  HSC74607  Allium campanulatum M. A. Baker 1980-7-10 2744 Trinity Near Senteney Rock 1554 Comment
  HSC78267  Allium campanulatum John S. Palmer 1976-7-3 451 Trinity Bear Lakes area, slope N side of Log Lake. 1860 Comment
  UC1225871  Allium campanulatum Joseph P. Tracy 1947-6-26 17740 Trinity near Cold Springs; South Fork Mountain 1645 Comment
  UC666936  Allium campanulatum Joseph P. Tracy 1932-7-12 10479 Trinity Head of Brett Hole Trinity Summit, Brett Hole 1828 Comment
  HSC62955  Allium cratericola M. A. Ericksen 1979-5-12 277 Trinity Across from site 6 at Philpot Campground 610 Comment
  HSC67235  Allium cratericola Thomas W. Nelson, D. Gordon 1980-5-8 5242 Trinity Along Rd. 31N52 100 m E of junction with Rd. 2N18 1280 Comment
  HSC67396  Allium cratericola Thomas W. Nelson 1980-5-30 5391 Trinity Shasta-Trinity National Forest, along Rd. 4N25 at junction with Rd. 4N25C 2 mi. S of junction with rd. 60 1067 Comment
  CHSC30129  Allium falcifolium M. S. Taylor 1980-6-18 2926 Trinity On s side of Midas Saddle Rd, ca. 4.5 mi n of its jct with Hwy 36. Near Wilson Point. 1219 Comment
  HSC71833  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1980-6-27 5942 Trinity Along SE side of Mule Ridge 1524 Comment
  RSA258871  Allium falcifolium Thomas W. Nelson 1973-5-30 995 Trinity Black Lassic area. 1799 Comment
  UC922498  Allium falcifolium Annie M. Alexander and Louise Kellogg 1949-6-30 5728 Trinity Saddle between North Yolla Bolly and Black Rock Mountains; Yolla Bolly Middle Eel Primitive Area 2103 Comment
  HSC60354  Allium falcifolium R. York 1979-5-13 279 Trinity W of Philpot Campground 793 Comment
  HSC71219  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-5-19 4688 Trinity SW of Philpot Campground 915 Comment
  UC2046520  Allium falcifolium William J. Ferlatte 1977-6-18 1880 Trinity Packer's Peak; open, loose, rocky slope Comment
  HSC68895  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-20 5666 Trinity Shasta-Trinity National Forest, along 4-wheel drive road out Blue Point Ridge, 1 mi. W of junction with FS Rd. 29N55 1555 Comment
  HSC75235  Allium siskiyouense Thomas W. Nelson, Jane P. Nelson 1980-6-19 5652 Trinity Shasta-Trinity National Forest, Rattlesnake Ridge along Forest Servcie Rd. 29N62, 1.3 mi. W of junction with FS Rd. 29N58 1220 Comment
  HSC75239  Allium siskiyouense Thomas W. Nelson, Jane P. Nelson 1980-6-18 5615 Trinity Shasta-Trinity National Forest, along FS Rd. 1N10, 1 mi. from junction with FS Rd. 2N07 1372 Comment
  JEPS109595  Allium siskiyouense Dean W. Taylor 2002-6-28 18195 Trinity saddle at southerly base of Gozem Peak, Trinty Mountains (0.5 mi West of Pond Lily Lake) 1767 Comment
  HSC91451  Allium validum Jennifer Whipple 1976-8-4 1602 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the Upper Deadfall Lakes 2165 Comment
  UC1585386  Allium validum R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 69 Trinity meadow at head of lake Mt. Eddy, upper Deadfall Lake 2340 Comment
  CAS-BOT-BC478040  Allium validum C. L. Hitchcock; J. S. Martin 1939-7-12 5355 Trinity Canyon Creek Meadows, 7 miles above Dedrick, Salmon-Trinity Alps. 1402 Comment
  UC1111634  Allophyllum divaricatum Lewis S. Rose 1955-6-13 55076 Trinity 6 mi. s.w. Douglas City 609 Comment
  RSA120647  Allotropa virgata G. D. Barbe 1955-7-28 304 Trinity about 3/4 mile west of Scott Mtn Forest Camp, Near Siskiyou-Trinity Coutny Line. 1645 Comment
  CAS-BOT-BC171424  Alnus incana subsp. tenuifolia Joseph P. Tracy 1930-7-16 9105 Trinity South Fork Mountain 1524 Comment
  CAS-BOT-BC171425  Alnus incana subsp. tenuifolia P. A. Munz 1951-7-22 16817 Trinity Patty John Basin, North Yolla Bolly Mts. 1981 Comment
  HSC78869  Alnus incana subsp. tenuifolia John S. Palmer 1973-9-7 188 Trinity Bear Lakes area, along trail to Big Bear Lake. 1723 Comment
  HSC56852  Alnus rhombifolia G. L. Clifton, Muth 1979-7-18 8764 Trinity Near Mad River Campground, close to the town of Mad River. 762 Comment
  SEINET10541254  Amelanchier alnifolia Jones 1985-5-11 Jones 47 Trinity T30n,r12w,sec.11. Philpot campground, 1.5 miles sw of peanut. White oak, Douglas fir, jeffrey pine camopy. Growing with rhamnus apprx. 10 Ft from creek 792 Comment
  SEINET10931785  Amelanchier alnifolia Botany 1985-4-19 BOTANY s.n. Trinity T33n,r9w,sec.24. H.m. Steelbridge campground, 2 miles n of hwy 299 on Steelbridge rd. On lower flat sites near river 536 Comment
  HSC32906  Amelanchier alnifolia var. pumila Thomas W. Nelson, James Nelson 1973-5-20 918 Trinity N of Black Lassic 1524 Comment
  HSC99  Amelanchier alnifolia var. pumila William J. Ferlatte 1967-7-6 633 Trinity Head of Bullards Basin 1982 Comment
  CAS-BOT-BC142898  Amelanchier alnifolia var. semiintegrifolia Clare R. Wheeler 1982-5-9 2979 Trinity Eel River at Chamise Creek, about 4 river miles of Humbolt County line. At north edge of sand bar. 152 Comment
  CHSC71047  Amelanchier alnifolia var. semiintegrifolia Vernon Oswald; Lowell Ahart 1998-5-14 9061 Trinity Wildwood Rd. along the west side of Hayfork Creek 5.1 mi north of Hwy. 36, 0.2 mi south of Gemmill Gulch Picnic Area. 1005 Comment
  HSC72819  Amelanchier alnifolia var. semiintegrifolia Gail Newton 1980-7-12 1353 Trinity Near Red Lassic 1798 Comment
  JEPS123488  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5 13 -127 Trinity Fire road 25 above Mumbo Basin. Comment
  HSC51065  Amelanchier pallida G. L. Clifton, Overton 1979-6-3 3910 Trinity Near Hettenshaw Valley, close to the town of Alderpoint. 884 Comment
  HSC55426  Amelanchier pallida G. L. Clifton 1979-7-16 7869 Trinity Near S Fork Mtn., close to the town of Mad River 1646 Comment
  CAS-BOT-BC135644  Amelanchier utahensis Annie M. Alexander; Louise Kellogg 1948-8-10 5460 Trinity Trinity Mountains 1767 Comment
  CAS-BOT-BC135645  Amelanchier utahensis Carl B. Wolf 1937-8-12 9163 Trinity North Coast Ranch, South Fork Mt., 8 3/10 mi. so. of Cold Spring Lookout 1371 Comment
  HSC59834  Amsinckia intermedia Clark L. Miller 1979-4-13 590 Trinity 0.5 mi. upstream from Grays Falls Campground on N side of Trinity River Comment
  HSC59814  Amsinckia intermedia John Heywood, D. H. Norris 1968-3-30 1807 Trinity U.S. Hwy. 299, ca. 31 mi. E of Humboldt Co. line Comment
  SEINET7073512  Amsinckia menziesii A. G. Vestal 1963-6-4 s.n. Trinity About 2 miles north of Hayfork on Brady Road in Carter Gulch. UTM Zone 10, 485423mN, 4492081mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC45223  Anaphalis margaritacea H. E. Parks; J. P. Tracy 1941-8-27 11530 Trinity Near McKay Camp, South Fork Mountain Comment
  SEINET8734416 Image available Anaphalis margaritacea Unknown 1941-1 11530 Trinity Near McKay Camp, South Fork Mountain Comment
  SEINET2029364 Image available Anaphalis margaritacea var. subalpina C. L. Hitchcock, J. S. Martin 1939-7-12 5361 Trinity Just below lower Canyon Creek Meadow, 10 miles north or Dedrick, Salmon-Trinity Alps 1676 Comment
  CAS-BOT-BC391760  Anemone Milo S. Baker 1926-8-8 231 b-'26 Trinity Saddle bet. Red Mt. & Granite Peak 2194 Comment
  HSC18014  Anemone drummondii R. Spellenberg 1963-7-7 185 Trinity Weaver Bally, Weaverville Comment
  HSC78762  Angelica arguta John S. Palmer 1976-7-14 493 Trinity Bear Lakes Area, along trail to Big Bear Lake 1662 Comment
  UCD149557  Angelica arguta G. L. Stebbins 1972-8-19 s.n. Trinity Southwest of Wildwood, along State Highway 36 at head of Muldoon Gulch. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  CAS-BOT-BC183602  Angelica arguta Eugene Carter 1975-8-19 1079 Trinity North Fork Trinity River. Limestone Ridge, Morrison Gulch Trail. At Rattlesnake Lake Camp 1691 Comment
  UC1197373  Angelica tomentosa Joseph P. Tracy 1941-8-27 17028 Trinity near Cold Springs (South Fork Mountain); South Fork Mountain 1645 Comment
  UCD127174  Angelica tomentosa Joseph M. DiTomaso 1976-8-11 672 Trinity Trinity Alps; on switchbacks above Luella Lake. 2179 Comment
  CDA10075  Antennaria argentea G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2715 Trinity At Bowerman Ridge Road on Highway 3 west of Clair Engle Lake, north of Weaverville, 1.25 miles (2 km) south of Preacher Meadow campground, midway between Covington Mill and Trinity Center. Trinity National Forest. Comment
  UC472341  Antennaria argentea Harry S. Yates 1914-5-15 276 Trinity near Weaverville 624 Comment
  UCR84750  Antennaria argentea Kathy Harper 1992-5-15 s.n. Trinity State Hwy 3, less than 1 mi. north of State Hwy 36, next to [Bule Gulch] 'Dobbin's Creek' [south of Peanut] 762 Comment
  CAS-BOT-BC59298  Antennaria argentea Doris K. Kildale 1927-7-4 3691 Trinity Summit at boundary of Trinity & Shasta counties on Eureka-Red Bluff road Comment
  SEINET2031093 Image available Antennaria argentea Joseph P. Tracy 1923-6-3 6436 Trinity Hay Fork Mountain. Near summit on Weaverville road. 1100 Comment
  UC1076045  Antennaria dimorpha Herbert L. Mason 1947-5-17 14777 Trinity summit of, (Trinity-Siskiyou County line) Scott Mountain Grade Comment
  CAS-BOT-BC58687  Antennaria luzuloides G. R. Kleeberger 1880-6-1 s.n. Trinity unspecified Comment
  RSA67006  Antennaria media Philip A. Munz 1951-7-21 16762 Trinity Just south of North Yolla Bolly Pk. 2317 Comment
  HSC74989  Antennaria microphylla J. P. Smith, Thomas W. Nelson 1979-6-25 10217 Trinity Shasta-Trinity National Forest; Road to Dubakella Mtn., 1.4 mi. from the Red Mtn. Roadway 1555 Comment
  CAS-BOT-BC84706  Anthemis arvensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53522 Trinity One-eye Flat, about 1.7 miles north of Carrville, Trinity River Canyon 755 Comment
  HSC68960  Anthriscus caucalis Jacqueline Greenleaf 1980-6-23 145 Trinity Near Mad River 169 Comment
  HSC70051  Anthriscus caucalis M. A. Baker 1980-5-25 1560 Trinity Near Shannon Butte 914 Comment
  RSA523365  Antirrhinum cornutum G. H. True 1937-7-4 776 Trinity On Trinity River near Lagrange Mine. 762 Comment
  JEPS83357  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-6-29 357 Trinity 1.1 mi nnw Junction City (w end) on Hwy. 299 (at gravel turnout for eastbound traffic); Hayfork Quad. (15', 1951) 441 Comment
  UC583000  Antirrhinum vexillocalyculatum subsp. breweri P. A. Munz 1936-8-12 1472 Trinity 12 mi e Forest Glen 1005 Comment
  OBI17608  Antirrhinum vexillocalyculatum subsp. breweri Wallace Weber, John C. Cooke, Donald J. Pinkava, and David J. Keil 1969-8-19 2200 Trinity Rte 299, 14.2 mi E of Manzanita Crk Comment
  RSA107451  Antirrhinum vexillocalyculatum subsp. breweri L. S. Rose 1955-7-16 55120 Trinity 1 mi. w. of Junction City, Trinity River. 448 Comment
  RSA430677  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-6-30 358 Trinity Burnt Ranch vicinity. 10.2 miles W of intersection with Big French Creek Road on Hwy. 299. 366 Comment
  HSC3209  Apocynum androsaemifolium William J. Ferlatte, B. D. Rogers 1966-6-1 2057 Trinity Near Hayfork Summit 1128 Comment
  RSA403117  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1957-6-21 s.n. Trinity Coffee Creek Canyon, Salmon Mts. Comment
  HSC18034  Aquilegia formosa var. formosa J. F. Knezevich 1967-7-8 331 Trinity 8 mi. N of Hwy. 299 on W entrance to Ironsides Mtn. at the junction of Ironsides and Salt Log Springs Rds. Comment
  RSA98586  Aquilegia formosa var. truncata H. M. Pollard 1953-8-20 s.n. Trinity Red Mtn Trail, creek crossing at about 6000-6500ft. N of Trinity Alps Resort 1829 Comment
  CHSC71026  Arabidopsis thaliana Vernon Oswald; Lowell Ahart 1998-5-14 9082 Trinity Wildwood Rd. on the east side of Hayfork Creek ca. 0.8 mi south of Hwy. 3. On a roadcut. 755 Comment
  UC1586871  Arabis Juha Pykala and D. H. Norris 1987-6-15 1697 Trinity 2.5 mi ene Wildwood; Hall City Caves 1219 Comment
  HSC70281  Arabis breweri var. breweri M. A. Baker 1980-5-25 1578 Trinity Near Browns Canyon 823 Comment
  HSC79350  Arabis breweri var. breweri D. K. Imper 1983-7-28 Trinity Just W of FS Rd. 27N13 approx. 1 mi. N of Low Mtn. cutoff, Swim Ridge 1220 Comment
  HSC46818  Arabis glabra William J. Ferlatte 1976-9-21 1843 Trinity Big Flat at head of Coffee Creek, E of Coffee Creek Rd. 1555 Comment
  RSA49295  Arabis holboellii var. retrofracta P. A. Munz 1949-5-16 13251 Trinity Half mile above Junction City on Canyon Creek. 549 Comment
  HSC86664  Arabis oregana J. O. Sawyer, J. Stephensen, J. Rivera 1985-5-3 4316 Trinity Along Slide Creek, W of Eagle Creek 610 Comment
  HSC26686  Arabis platysperma William J. Ferlatte 1972-8-7 1423 Trinity Boulder Creek Lakes, summit of ridge at S side of basin 2195 Comment
  CAS-BOT-BC17383  Arabis pycnocarpa var. pycnocarpa Eugene Carter 1973-6-19 595 Trinity 18 miles northwest of Weaverville. North Fork Trinity River, Hobo Gulch Camp and vicinity. 1066 Comment
  HSC40065  Arabis subpinnatifida J. P. Smith 1973-4-21 6348 Trinity Eagle Creek Campground, along the Trinity River. 869 Comment
  HSC41985  Arabis subpinnatifida Tom Duebendorfer 1977-5-21 37 Trinity Eagle Creek Campground 851 Comment
  HSC68899  Arabis subpinnatifida Thomas W. Nelson, Jane P. Nelson 1980-6-20 5671 Trinity Shasta-Trinity National Forest, along 4-wheel drive road out Blue Point Ridge, 1 mi. W of junction with FS Rd. 29N55 1555 Comment
  RSA49324  Arabis subpinnatifida P. A. Munz 1949-5-17 13290 Trinity Eagle Creek Public Campground. 915 Comment
  UC1042372  Arabis subpinnatifida Alice Eastwood and John Thomas Howell 1937-6-25 4975 Trinity between Eagle Creek and Bear Creek; Trinity River Canyon Comment
  HSC97690  Arabis subpinnatifida Thomas W. Nelson, James Nelson 2006-6-9 9435 Trinity Along USFS Rd. 1N05, along Copper Mine Hill, Naufus Creek 1422 Comment
  CHSC68986  Aralia californica Vernon Oswald; Lowell Ahart 1997-7-17 8757 Trinity Forest Route 29 at a tributary of Smoky Creek, 1.1 mi south of the West Fork of Smoky Creek, 9.8 mi south of Hwy. 36. 1165 Comment
  JEPS89507  Aralia californica Dean William Taylor 1973-6-30 2422 Trinity along Salt Creek e. Peanut; Salt Creek 822 Comment
  CAS-BOT-BC171033  Aralia californica Lyman Benson 1930-7-18 2196 Trinity Creek bank 30 miles west of Weaverville, middle N. Coast mountains, Trinity River 457 Comment
  RSA115235  Arceuthobium abietinum H. E. Parks, Joseph P. Tracy 1941-08 s.n. Trinity South Fork Mountain. Comment
  SEINET2471278  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-26 2008 -65 Trinity South Fork Mtn.; 19.7 km N. of State Rte. 36 on forest road 1 1680 Comment
  RSA41914  Arceuthobium campylopodum H. C. Cantelow 1936-8-24 1659 Trinity Near Scott Ranch. Comment
  SEINET3831772  Arceuthobium occidentale R. L. Mathiasen 2012-1 1281 Trinity 2 km SW of St. Rte. 299 on Burnt Ranch Schol rd.; On Pinus sabiniana Douglas ex. D.Don 470 Comment
  CAS-BOT-BC410150  Arceuthobium occidentale William A. Dayton 1913-7-27 437 Trinity Shasta National Forest, Trinity Mountain Range 1249 Comment
  CAS-BOT-BC23945  Arctostaphylos canescens subsp. canescens P. A. Munz 1951-7-17 16593 Trinity North Yolla Bolly Mts.; Grasshopper Public Camp, 2.5 mi. n.w. of Stuart Gap. 1371 Comment
  RSA66419  Arctostaphylos canescens subsp. canescens P. A. Munz 1951-7-17 16593 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  UC1120898  Arctostaphylos canescens subsp. canescens H. A. Jensen Sep 1931 229 Trinity head of Van Duzen River Trinity <National> Forest, Hoaglin Quadrangle 1036 Comment
  HSC104121  Arctostaphylos canescens subsp. sonomensis Julie Kierstead Nelson, Wendy Boes 2012-7-6 2012063 Trinity Forest Service Rd. 1S14 north of Hwy. 36. 1347 Comment
  SEINET6046854  Arctostaphylos glandulosa Mark Elvin, Roberts, Fred 1997-4-2 379 Trinity Castle Creek Road. Comment
  UC1585378  Arctostaphylos klamathensis R. Raiche 1989-8-18 90294 Trinity Seven Lakes Basin Trinity Mts. 1900 Comment
  UC1755189  Arctostaphylos klamathensis Dean W. Taylor 2002-6-13 18153 Trinity Scorpion Lake, Trinity Mountains, westerly upper flank Bonanza King 1798 Comment
  HSC54133  Arctostaphylos manzanita Gilbert Muth 1979-7-17 8301 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  HSC54187  Arctostaphylos manzanita G. L. Clifton, Butler 1979-7-18 8473 Trinity Near Jones Ridge, close to the town of Mad River 1448 Comment
  JEPS97172  Arctostaphylos manzanita Sue Pappalardo 1995-6-16 687 Trinity Hayford Bally, N side, just below summit Shasta-Trinity National Forests, Big Bar Ranger District 1900 Comment
  RSA96845  Arctostaphylos manzanita P. C. Everett, E. K. Balls 1954-10-14 20297 Trinity Hwy. 299, along Trinity River, 0.8 mi. east of Helena P.O. 457 Comment
  RSA639543  Arctostaphylos manzanita subsp. manzanita L. C. Wheeler 1952-9-13 6929 Trinity [No location data on label.] Comment
  HSC54436  Arctostaphylos nevadensis Walter Overton 1979-7-18 8762 Trinity Near Van Horn Creek, close to the town of Mad River 1067 Comment
  HSC78024  Arctostaphylos nevadensis John S. Palmer 1973-6-19 27 Trinity Bear Lakes Area, below Big Bear Lake. 1707 Comment
  JEPS24822  Arctostaphylos nevadensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6838 Trinity s slope Scott Mountain 1889 Comment
  JEPS38796  Arctostaphylos nevadensis W. L. Jepson 1897-7-24 14718 Trinity se Trinity Co. Soldier Ridge Comment
  UCR45456  Arctostaphylos nevadensis Michelle A. Strull 1985-6-22 20 Trinity c. 0.1 mi south of Hayfork Bally lookout along FS road 33N52 1860 Comment
  HSC32692  Arctostaphylos patula Thomas W. Nelson 1973-5-30 1005 Trinity Red Lassic area 1799 Comment
  HSC32867  Arctostaphylos patula Thomas W. Nelson, James Nelson 1973-5-20 917 Trinity N of Black Lassic 1524 Comment
  HSC72291  Arctostaphylos patula J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-8 9580 Trinity Hwy. 36, 1 mi. from Hayfork Creek 1067 Comment
  JEPS38842  Arctostaphylos patula W. L. Jepson 1897-7-25 14722 Trinity South Yallo Balley Inner North Coast Range; [=modern Solomon Peak, see FB 1_107] Comment
  RSA48905  Arctostaphylos patula P. A. Munz 1949-5-17 13275 Trinity 1 mile north of Rush Creek Public Camp on road to Trinity Alps. 1067 Comment
  HSC69678  Arctostaphylos viscida Thomas W. Nelson, J. O. Sawyer 1978-6-9 4113 Trinity Red Mtn. 1250 Comment
  RSA96793  Arctostaphylos viscida subsp. mariposa P. C. Everett, E. K. Balls 1954-10-15 20300 Trinity 2.4 mi. e. of Hayfork on road from Douglas City. 762 Comment
  CAS-BOT-BC47472  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1927-11-29 4232 Trinity Trinity Center Comment
  CAS-BOT-BC47476  Arctostaphylos viscida subsp. viscida Doris Kildale 1931-5-30 10801 Trinity Weaverville Comment
  CAS-BOT-BC47479  Arctostaphylos viscida subsp. viscida L. R. Abrams 1916-7-24 6253 Trinity Wildwood Comment
  UC160050  Arenaria congesta var. suffrutescens H. M. Hall 1909-7-1 8605 Trinity Salmon Mountains, Bullard Basin, Union Creek 1920 Comment
  UC668123  Arenaria congesta var. suffrutescens Joseph P. Tracy 1935-8-6 14673 Trinity around White's Creek Lake; Devil's Canyon Mts., North Fork of White's Creek 1889 Comment
  JEPS75977  Arenaria serpyllifolia var. serpyllifolia W. J. Ferlatte 1969-6-26 1195 Trinity Trinity Alps of norhtern California 1524 Comment
  UCR45365  Arnica cordifolia M. Bransom, D. Brown, R. Hildebrant, N. Meiselman 1986-5-10 58 Trinity Philpot Campground Comment
  CAS-BOT-BC295829  Arnica dealbata R. Spellenberg; M. Spellenberg 1970-8-24 2510 Trinity Weaver Bally, on a ridge top near the USFS lookout, 9 miles NW of Weaverville by road 2124 Comment
  CHSC66317  Arnica discoidea Vernon H. Oswald; Lowell Ahart, Robin Ondricek-Fallscheer 1996-7-1 7930 Trinity Deer Lick Knob Rd. (Forest Route 1) 15.9 mi (odometer) N of Hwy. 36 (via Harrison Gulch Rd.), NW of Platina. 1066 Comment
  HSC50985  Arnica discoidea G. L. Clifton, Overton 1979-6-3 3813 Trinity Near Murphy Glades, close to town of Alderpoint 914 Comment
  JEPS59013  Arnica discoidea Elizabeth McClintock 1956-6-16 Trinity above, road along Coffee Creek Coffee Creek Ranch Comment
  CAS-BOT-BC82408  Arnica discoidea C. Hart Merriam s.n. Trinity Near top of Black Butte, Yolla Bolly Mts. Comment
  RSA271912  Arnica discoidea Christopher Davidson 1975-6-6 2707 Trinity 13.7 mi N of Weaverville on Hwy 3. 823 Comment
  RSA50004  Arnica discoidea E. K. Balls 1949-6-30 13687 Trinity Above Ripstein Camp 762 Comment
  HSC37492  Arnica diversifolia M. G. Schmidt 1976-5-16 11 Trinity Along Hwy. 3 about 2 miles S of Peanut Comment
  UCD129200  Arnica lanceolata subsp. prima William J. Ferlatte; Alice Q. Howard 1970-8-9 1284 Trinity Trinity Alps, Boulder Creek Lakes. At west end of lower lake. 1798 Comment
  JEPS74634  Arnica mollis William J. Ferlatte, Alice Q. Howard 1970-8-11 1298 Trinity ridge w Upper Canyon Cr.; Trinity Alps, Canyon Cr. 2286 Comment
  JEPS20977  Arnica ovata Joseph P. Tracy 1935-8-2 14439 Trinity Mary Blaine Mt. 1950 Comment
  UC582490  Arnica ovata Joseph P. Tracy 1935-8-2 14439 Trinity Mary Blaine Mt. 1950 Comment
  JEPS74446  Arnica viscosa W. J. Ferlatte 1966-8-24 484 Trinity trib to Canyon Creek Trinity Alps, Boulder Creek Basin, Canyon Creek 1706 Comment
  HSC58464  Arrhenatherum elatius W. C. Overton 1979-7-17 8125 Trinity Near South Fork Mountain, close to the town of Mad River 1390 Comment
  SBBG1378  Asarum caudatum H. and M. Dearing 1939-6-25 3718 Trinity rd to Blake Lookout 1524 Comment
  CAS-BOT-BC400709  Asarum hartwegii Alice Eastwood; John Thomas Howell 1937-6-25 4926 Trinity Near Preacher Meadow Comment
  RSA416101  Asarum hartwegii Christopher Davidson 1975-6-6 2712 Trinity 1 miles E of Douglas City on Hwy 199. Exposed places along roadbank on N slope facing. 500 Comment
  SEINET6811565  Asarum hartwegii Unknown 1993-7-14 3274 Trinity 11 road miles NE of Weaverville; Weaverville; 11 road miles NE of Comment
  HSC40993  Asclepias cordifolia Thomas W. Nelson, Jane P. Nelson 1977-6-19 3527 Trinity Above Senteney Rock 1555 Comment
  HSC73189  Asclepias cordifolia R. York 1980-5-25 795 Trinity Near Browns Canyon 823 Comment
  CAS-BOT-BC94947  Asclepias cordifolia R. C. Wenk 2005-7-18 265 Trinity Trinity Alps, Coffee Creek, 4 mi. down road from Big Flat Meadow 1402 Comment
  HSC101018  Asclepias cordifolia Lisa D. Hoover 2012-6-6 21 Trinity Vicinity of Brown's Canyon; west of Van Duzen River, upslope, at hairpin turn along 1N10. From Hwy 36 to Rte 511, take water crossing on 1N10. 800 Comment
  CAS-BOT-BC222864  Asclepias solanoana Thomas W. Nelson; Jane P. Nelson 1980-6-20 5710 Trinity Shasta-Trinity National Forest. Along road 29N73 1.6 miles south of junction with State Route 36 1219 Comment
  CAS-BOT-BC222865  Asclepias solanoana Thomas W. Nelson; Jane P. Nelson 1980-6-17 5495 Trinity Shasta-Trinity National Forest. Along Salt Creek Road at junction with road 30N24 944 Comment
  HSC67285  Asclepias solanoana Thomas W. Nelson, Jane P. Nelson 1980-6-17 5495 Trinity Shasta-Trinity National Forest, along Salt Creek Rd. at junction with FS Rd. 30N24 945 Comment
  HSC68834  Asclepias solanoana Thomas W. Nelson, Jane P. Nelson 1980-6-19 5631 Trinity Along Old State Rte. 36 (Post Creek Rd.) at bridge over Glade Creek 884 Comment
  SEINET10496461  Asclepias solanoana Mary Susan Taylor 1980-8-6 Taylor 3222 Trinity T29N R11W center third sec 26, Dubakella Mt quad. Shasta-Trinity Natl Forest, ca. 50 ft S of 29N36, ca. 0.5 mi W of its jct with 29N38, ca. 5 mi S of Wild wood. With S. Horner. 1280 Comment
  SEINET10741630  Asclepias speciosa Carl B. Wolf 1937-7-14 Wolf s.n. 1937 Trinity W. Weaver Creek, 2 mi W of Weaverville 762 Comment
  UC1481834  Aspidotis densa Milo S. Baker 1926-8-14 300 c Trinity above Trinity Alps Camp Trinity Alps 1066 Comment
  CAS-BOT-BC68793  Aspidotis densa Mrs. H. C. Cantelow 1936-8-26 1697 Trinity 7.8 mi. no. of Carrville Comment
  HSC66075  Aspidotis densa M. S. Taylor 1980-6-11 2847 Trinity E side of Friedrich Rd. (5N21) 0.1 mi. S of Hwy. 299 at Cedar Flats 427 Comment
  SEINET10470240  Aspidotis densa Phillips 1984-5-12 Phillips 39 Trinity Dubakella Mtn. aprox 3 mi W of Peanut, Philpot Campground. Ass. sp.: Pinus ponderosa. S facing, dry, rocky soil. 979 Comment
  SEINET7904728 Image available Aspidotis densa G. Yatskievych, K. Yatskievych 1988-1 88 -206 Trinity Deadfall Meadow, 1.5 mi S of Park Creek Crest on paved Forest Service Road 42N17, SW of Weed 2000 Comment
  UCR45369  Aster ledophyllus D. H. Norris 1968-7-30 2224 Trinity In Jeffrey pine forest near Mt. Eddy Camground 1677 Comment
  RSA134908  Aster oregonensis Percy C. Everett, E. K. Balls 1959-10-22 23925 Trinity 10 miles north from entrance to Trinity National Forest, along road to Trinity Center. 823 Comment
  HSC44412  Astragalus purshii Carolyn Sanford 1977-5-21 383 Trinity SR 3, 1/4 mi. above the confluence of the Trinity River and Tangle Blue Creek. 1006 Comment
  HSC35658  Astragalus rattanii var. rattanii Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2081 Trinity Van Duzen River; Brown's Canyon Campground Comment
  CAS-BOT-BC200866  Astragalus whitneyi J. P. Smith; J. O. Sawyer 1975-6-23 8273 Trinity Across from entrance to Philpot Campground; On the Peanut to Forest Glenn Road 883 Comment
  HSC67278  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-6-17 5469 Trinity Shasta-Trinity National Forest, along old Hwy. 36, 1 mi. W of Hwy. 3 near Peanut 793 Comment
  RSA107435  Astragalus whitneyi var. siskiyouensis L. S. Rose 1955-6-13 55079 Trinity 1 mile SW of Peanut. 762 Comment
  RSA211163  Astragalus whitneyi var. siskiyouensis William J. Ferlatte 1967-8-16 934 Trinity East side of Packers Peak. 2073 Comment
  RSA789791  Astragalus whitneyi var. siskiyouensis Rebecca Wenk 2005-7-18 293 Trinity Scott Mountains: border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1 mi east of Hwy 3. 1900 Comment
  HSC3822  Asyneuma prenanthoides R. Spellenberg 1964-8-2 564 Trinity 0.5 mile up Mill Creek Rd. off Hwy.299, Burnt Ranch Comment
  HSC54072  Athyrium filix-femina var. cyclosorum Overton 1979-7-17 8120 Trinity Near S Fork Mtn., close to the town of Mad River 1390 Comment
  UC922650  Athyrium filix-femina var. cyclosorum Annie M. Alexander and Louise Kellogg 1948-8-17 5496 A Trinity s side E Fork Canyon Creek Lake; Trinity Mts. 1752 Comment
  HSC23638  Athysanus pusillus J. O. Sawyer 1970-5-23 2554 Trinity Above New River 244 Comment
  UC1561907  Athysanus pusillus Barbara Ertter with Thomas J. Delendick 1987-5-17 6963 Trinity Route 3 n of Weaverville (a few mi s of Rush Creek Road junction, along straight stretch of road) 822 Comment
  UC492267  Athysanus pusillus Joseph P. Tracy 1932-6-17 10177 Trinity Three Forks of Mad River; North Coast Ranges, Three Forks of Mad River 883 Comment
  HSC85879  Athysanus pusillus Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-7 17 Trinity End of South Fork Rd. (FS 5N03), trail to Hell's Half Acre Creek (Tr. #6E23); 1.2 km. from trailhead 400 Comment
  HSC64151  Barbarea orthoceras J. P. Smith 1973-4-21 6305 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC32869  Berberis aquifolium var. repens Thomas W. Nelson, James Nelson 1973-5-28 925 Trinity Black Lassic Area 1799 Comment
  HSC62959  Berberis aquifolium var. repens M. A. Ericksen 1979-5-13 279 Trinity On slope adjacent to lookout station access road, 100 yds. W of Philpot campground site #2 610 Comment
  CAS-BOT-BC75949  Berberis piperiana Eugene Carter 1972-4-25 379 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 miles northwest of Weaverville). Along the East Fork Trail. 1036 Comment
  CAS-BOT-BC16058  Boechera breweri subsp. shastaensis Eugene Carter 1972-4-25 377 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 miles northwest of Weaverville). 1066 Comment
  CAS-BOT-BC16293  Boechera howellii Clinton Hart Merriam 1899-8-1 s.n. Trinity Canyon Creek. Comment
  CAS-BOT-BC25440  Boechera retrofracta G. R. Kleeberger 1880-7-8 s.n. Trinity Mount Bally. 1828 Comment
  CAS-BOT-BC25441  Boechera retrofracta Alice Eastwood; John Thomas Howell 1937-6-25 4891 Trinity Trinity Alps Resort. Comment
  UCD102268  Boechera retrofracta Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-18 s.n. Trinity Weed. Stewart Springs Road-Parks Road. Mount Eddy Trail. 2260 Comment
  CHSC118653  Boechera serpenticola Julie Kierstead Nelson; Marie Buell 2015-5-6 2015 -035 Trinity Wild-Mad Road (County Road 30) southern Klamath Range, ca. 1 mile south of Hwy. 36W. UTM NAD 83 Zone 10, 4470070m N, 493725m E. 1031 Comment
  CAS-BOT-BC410932  Boechera sparsiflora James R. Shevock 1972-3-26 1456 Trinity Trinity River Basin, Shasta-Trinity National Forest. Along Highway 299 above the Trinity River at Logan Gulch just west of junction to Helena and west of Pigeon Point Campground 426 Comment
  CHSC31150  Boechera sparsiflora M. S. Taylor 1980-6-18 2931 Trinity On n side of Wilson Point Rd, ca. 0.5 mi w of Midas Saddle Rd, ca. 3.7 mi n of its jct with Hwy 36. 1371 Comment
  UCD114481  Boechera subpinnatifida Joseph M. DiTomaso 1975-6-26 70 Trinity On ridge above Landers Lake. 2133 Comment
  RSA106773  Boisduvalia densiflora var. densiflora L. S. Rose 1955-7-17 55131 Trinity 2 mi. e. of Hayfork. 732 Comment
  HSC16670  Boschniakia strobilacea L. D. Napier 1962-5-13 Trinity 15 mi. E of Burnt Ranch, Big French Creek, ca. 200 yards off Hwy. 299 457 Comment
  HSC4948  Boykinia major J. O. Sawyer 1968-9-1 640 Trinity Along Limestone Ridge from Pony Mtn. to Marble Springs 1799 Comment
  SBBG70957  Boykinia major H. and M. Dearing 1939-6-28 Trinity near Forest Glen Comment
  UC922571  Boykinia major Annie M. Alexander and Louise Kellogg 1948-8-17 5495 Trinity s side East Fork Canyon Creek Lake; Trinity Mountains, East Fork Canyon Creek Lake 1752 Comment
  CAS-BOT-BC127864  Brickellia grandiflora H. C. C. Cantelow; Herbert Cantelow 1937-8-20 1837 Trinity Head of Bear Creek 2133 Comment
  CAS-BOT-BC127865  Brickellia grandiflora A. R. Kruckeberg 1954-8-9 3721 Trinity In open wooded flats of incense cedar-big leaf maple, along Stuart Fork of Trinity River, just above upper end of Morris Meadows. Trinity Alps area. 1524 Comment
  CAS-BOT-BC127691  Brickellia greenei David D. Keck 1938-8-8 4882 Trinity Trinity River 9 mi. N. or Carrville Comment
  HSC40836  Brodiaea elegans subsp. elegans Thomas W. Nelson, Jane P. Nelson 1976-7-26 3018 Trinity Along 1S07 just E of summit 1555 Comment
  HSC44925  Brodiaea elegans subsp. elegans J. P. Smith, J. O. Sawyer 1975-6-23 8260 Trinity Philpot Campground 854 Comment
  CAS-BOT-BC144323  Bromus Doris K. Kildale 1931-5-17 10930 Trinity Hawkins Bar. 182 Comment
  SEINET3921876  Bromus carinatus var. carinatus Jennifer J. Whipple 1978-10-6 2380 Trinity China Mountain quad.; 0 2316 Comment
  HSC84488  Bromus diandrus J. P. Smith, Thomas W. Nelson 1982-5-14 10411 Trinity Big Bar Campground 457 Comment
  JEPS84350  Bromus diandrus E. Dean 1988-6-19 60 Trinity along Shasta Road by Ranger Station Hayfork; , Shasta Road 609 Comment
  HSC58507  Bromus hordeaceus Walter Overton 1979-7-18 8738 Trinity Near Horse Ridge, close to the town of Mad River. 1036 Comment
  HSC74244  Bromus hordeaceus M. A. Baker 1980-7-10 2767 Trinity Near Senteney Rock 1554 Comment
  HSC23667  Bromus madritensis subsp. rubens J. O. Sawyer 1970-4-18 2513 Trinity Slopes above New River at its junction with the Trinity River. 244 Comment
  POM259096  Bromus marginatus C. L. Hitchcock, J. S. Martin 1960-7-12 5360 Trinity 10 miles north of Dedrick, Salmon-Trinity Alps, small meadow just below Canyon Creek Meadow. 1677 Comment
  CHSC80115  Bromus orcuttianus L. P. Janeway 1996-7-13 5047 Trinity Klamath Ranges. Canyon of Van Ness Creek; 1.5 mi northwest of Trinity Mountain; at end of logging spur road 0.8 mi from Van Ness Creek Road. 1020 Comment
  UC192371  Bromus racemosus Harry S. Yates 1914-5-17 284 Trinity near Weaverville 640 Comment
  CAS-BOT-BC161569  Bromus suksdorfii Joseph P. Tracy 1935-8-6 14684 Trinity Devil's Canyon Mountains. Around White's Creek Lake, head of North Fork of White's Creek. 1889 Comment
  UC673088  Cacaliopsis nardosmia Joseph P. Tracy 1940-5-17 16559 Trinity Low Gap 853 Comment
  HSC103074  Cacaliopsis nardosmia Sydney Carothers 2014-6-12 23 Trinity Six Rivers National Forest, along FE 1S11. 1439 Comment
  HSC36005  Calamagrostis koelerioides J. P. Smith, J. O. Sawyer 1973-7-27 7190 Trinity Trail to Deadfall Lakes 1951 Comment
  UC722694  Calandrinia ciliata C. L. Hitchcock and J. S. Martin 1939-7-10 5345 Trinity gravel bank ca 10 mi e Douglas City 914 Comment
  CAS-BOT-BC84070  Calliscirpus criniger Joseph P. Tracy 1935-8-7 14601 Trinity Devil's Canyon Mts., at head of White's Creek 2072 Comment
  CAS-BOT-BC84071  Calliscirpus criniger Annie M. Alexander; Louise Kellogg 1948-8-22 5531 Trinity Trinity Mountains, Upper Canyon Creek Lake 1767 Comment
  CAS-BOT-BC85705  Calocedrus decurrens G. R. Kleeberger 1879-9-20 s.n. Trinity Foot-hills near Weaverville Comment
  HSC70424  Calocedrus decurrens Gail Newton 1980-7-3 1051 Trinity Near Horsehead Mtn. 1707 Comment
  HSC75741  Calochortus coeruleus Bill Copeland 1980-7-1 278 Trinity Near Fern Campground 1585 Comment
  CAS-BOT-BC487856  Calochortus coeruleus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-19 53471 Trinity Rattlesnake Road 0.73 to 1.5 miles southwest of Peanut 853 Comment
  JEPS61937  Calochortus elegans Joseph T. Gregory 1933-7-16 426 Trinity South Fork Mt. 1524 Comment
  CAS-BOT-BC492713  Calochortus nudus Dorothy Parker 1947-6-20 210 Trinity Meadow above Picayune Lake. 1981 Comment
  HSC15378  Calochortus tolmiei R. Spellenberg 1964-6-17 459 Trinity Underwood Mtn. Pass, Underwood Mtn. Rd., 12 mi. W of Burnt Ranch 1372 Comment
  HSC67246  Calochortus tolmiei Thomas W. Nelson 1980-5-30 5351 Trinity Shasta-Trinity National Forest, along Rd. 60/Underwood Mtn. Rd., 6.6 mi. S of junction with Hwy. 299 1067 Comment
  HSC67329  Calochortus tolmiei Thomas W. Nelson 1980-5-30 5393 Trinity Shasta-Trinity National Forest, along FS Rd. 4N25 (Clark Creek Loop) at junction with FS Rd. 4N25C, 2 mi. S of junction with Rd. 60 (Underwood Mtn. Rd.) 1067 Comment
  HSC69876  Calochortus tolmiei Thomas W. Nelson 1978-5-27 4066 Trinity On Red Mtn. 1250 Comment
  SEINET7096724  Calochortus tolmiei A. G. Vestal 1963-6-4 s.n. Trinity Ca. 4.3 miles south of Hayfork on Route 3 and opposite Clover Gulch. NAD27, 40? deg. 29' 03ao, -123?_ 09' 52ao (converted to WGS84 decimal degrees) UTM Zone 10 486069mE, 4481292mN. Comment
  UC423001  Calochortus tolmiei H. S. Yates 1914-5-15 268 Trinity near Weaverville Comment
  RSA116077  Calochortus tolmiei E. K. Balls, Lee W. Lenz 1955-5-14 20727 Trinity 5.2 miles west of Shasta-Trinity County line, U.S. Highway 299, Reading to Weaverville 732 Comment
  SEINET10933142  Calochortus tolmiei Botany 1985-5-11 BOTANY s.n. Trinity T29n,r10w,sec.26, h.m. Basin gulch campground off hwy 36. Jeffrey pine, quercus Kelloggii habitat 792 Comment
  CAS-BOT-BC132647  Calochortus uniflorus Alice Eastwood; John Thomas Howell 1937-6-25 4930 Trinity Preacher Meadow Comment
  UC1197680  Calochortus uniflorus Joseph P. Tracy 1923-6-30 6483 Trinity head of Rattlesnake Creek Northern Coast Ranges, Post Creek Mt. 1066 Comment
  HSC56759  Calycadenia truncata G. L. Clifton, Butler 1979-7-18 8458 Trinity Near Jones Ridge, close to the town of Alderpoint 1448 Comment
  HSC64172  Calycadenia truncata J. O. Sawyer, Thomas W. Nelson 1978-6-9 3165 Trinity Trail to Red Mtn. 1220 Comment
  HSC45417  Calyptridium monospermum Thomas W. Nelson, Jane P. Nelson 1977-8-6 3694 Trinity Goat Springs 1604 Comment
  SD42351  Calyptridium umbellatum Carl B. Wolf 1937-8-12 9186 Trinity South Fork Mountain; 0.6 miles south of Cold Spring Lookout 1525 Comment
  SEINET200996  Calystegia Joseph P. Tracy 1941-8-24 17027 Trinity South Fork Mountain 1646 Comment
  HSC103441  Calystegia malacophylla Thomas W. Nelson 2005-6-8 9344 Trinity Along Forest Service Road 40N170; ~ 100 yds. SE of jct. with FS Rd. 34N80. 820 Comment
  HSC78238  Calystegia malacophylla John S. Palmer 1975-7-27 432 Trinity Bear Lakes area on trail to Bear Lakes 1494 Comment
  CHSC100815  Calystegia malacophylla subsp. malacophylla Susan Bazell; John Whittlesey et. al. 2009-5-7 59 Trinity Trail to Deadfall Lakes. Dry bare soil just above trail. 2133 Comment
  JEPS87870  Calystegia malacophylla subsp. malacophylla Vernon H. Oswald and L. Ahart 1994-6-14 6303 Trinity Forest Rd 25 w Castella (w of Ramshorn Summit, n side Ramshorn Creek); w of Ramshorn Summit, n side Ramshorn Creek, w of Castella 1060 Comment
  CAS-BOT-BC221270  Calystegia malacophylla subsp. malacophylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53487 Trinity About 6 miles southwest of Trinity Center on road to Weaverville 883 Comment
  HSC69685  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson, J. O. Sawyer 1978-6-9 4141 Trinity Red Mtn. 1250 Comment
  HSC72912  Calystegia occidentalis subsp. occidentalis M. A. Baker 1980-7-2 2616 Trinity Near Horsehead Mtn. 1737 Comment
  CDA39901  Calystegia occidentalis subsp. occidentalis L. P. Janeway 1996-7-13 5040 Trinity Klamath Ranges; Upper drainage of Van Ness Creek, 0.75 mi northwest of Trinity Mountain; along Road 34N31, 1.2 mi from Van Ness Creek Road. Comment
  RSA67492  Calystegia occidentalis subsp. occidentalis P. A. Munz 1951-7-19 16700 Trinity 1 mi. NW of Stuart Gap, North base of North Yolla Bolly Mts. 1402 Comment
  HSC74994  Camassia quamash subsp. linearis J. P. Smith, Thomas W. Nelson 1979-6-25 10212 Trinity Shasta-Trinity National Forest, Rd. to Dubakella Mtn., 1.4 mi. from Red Mtn. Roadway 1555 Comment
  JEPS26113  Campanula prenanthoides Peter H. Raven and R. Snow 1958-7-19 13614 Trinity 11.0 mi n Helena (along road) Comment
  SEINET10972389  Campanula prenanthoides Greenleaf 1980-7-14 GREENLEAF 220 Trinity Picckett Peak Quadrangle; near Van Duzen River 945 Comment
  RSA133471  Campanula prenanthoides P. H. Raven, Richard Snow 1958-7-19 13614 Trinity Along road 11.0 miles north of Helena. Comment
  SEINET10462875  Campanula prenanthoides Edward K. Balls 1949-7-2 Balls 13783 Trinity 0.5 MI ABOVE BEAR CREEK (RIGHT FORK) ABOVE DEDRIC 3900', PARTLY UNDER PINUS AND QUERCUS Comment
  SEINET10462958  Campanula prenanthoides Alma L. Moldenke, Harold N. Moldenke 1968-7-25 Moldenke 24863 Trinity In grassy swale, Forest Glenn Comment
  SEINET10462980  Campanula prenanthoides Knezevich 1967-7-8 KNEZEVICH 332 Trinity 8 miles north of Highway 299 on the western entrance to Ironsides Mountain at the point of junction of Ironsides and Salt Log Springs roads. T34N R7E Comment
  HSC39011  Campanula scouleri J. P. Smith, J. O. Sawyer 1975-6-22 8216 Trinity Granite Canyon Creek. 701 Comment
  HSC76272  Campanula scouleri John Demarinis 1981-7-23 856 Trinity Near Browns Canyon. 899 Comment
  RSA49970  Campanula scouleri E. K. Balls 1949-6-30 13680 Trinity Above Ripstein Camp, Canyon Creek 793 Comment
  SEINET10463888  Campanula wilkinsiana Ferlatte 1967-8-6 FERLATTE 782 Trinity CANYON CREEK LAKES, OPEN DAMP MEADOW SANDY PLACE 1737 Comment
  SEINET10840065  Campanula wilkinsiana Sawyer 1970-8-8 SAWYER 2367 Trinity Coffe Creek quadrangle; dry rocks north of Mirror Lake. T36N R10W Sec. 5 2286 Comment
  HSC40781  Capsella bursa-pastoris Thomas W. Nelson, James Nelson 1976-6-22 2799 Trinity Below Senteney Rock 1494 Comment
  RSA244976  Capsella bursa-pastoris J. P. Smith 1973-4-7 5967 Trinity New River trail from Grays Falls Campground on the north side of the Trinity River and west side of the New River. 244 Comment
  BLMAR368  Capsella bursa-pastoris Jennifer Anthony-Wheeler 2003-4-10 368 Trinity Travis ranch 609 Comment
  JEPS77446  Cardamine californica var. integrifolia William J. Ferlatte 1976-5-19 1761 Trinity Canyon of Coffee Creek between Union Creek and Chinkhollow Creek (Trinity Alps); , Canyon of Coffee Cr, Chinkhollow Cr, Union Cr 1219 Comment
  CAS-BOT-BC37828  Cardamine nuttallii G. R. Kleeberger 1880-4-11 s.n. Trinity Weaverville. 1219 Comment
  HSC6644  Cardamine oligosperma John L. Heywood, D. H. Norris 1968-3-30 1774 Trinity Along Trinity River, Hwy. 299, 3.5 mi. E of Humboldt Co. line Comment
  UC1755121  Cardamine pachystigma Dean W. Taylor 2002-4-19 17997 Trinity Tangle Blue Creek; Trinity River; base of steep shaded serpentine slope just west of Highway 3 bridge over Tangle Blue Creek (near the Trinity River confluence) 1005 Comment
  HSC38630  Carduus pycnocephalus subsp. pycnocephalus D. E. Anderson, J. P. Smith 1971-6-21 1115 Trinity 5 miles E of the Humboldt-Trinity Co. line. Comment
  HSC33302  Carex athrostachya William J. Ferlatte 1974-7-24 1575 Trinity Big Flat at the head of Coffee Creek, W side of Lake Martin 1524 Comment
  HSC70168  Carex athrostachya Thomas W. Nelson, Jane P. Nelson 1978-6-23 4334 Trinity Hell to Find Lake. Comment
  CAS-BOT-BC18152  Carex athrostachya W. J. Ferlatte 1966-8-4 318 Trinity Trinity Alps of Northern California. Dorleska Mine. Edge of small lake. 1981 Comment
  JEPS88996  Carex aurea V. Parker Long 1992-6-10 3 848 - Trinity Snow Camp meadow, Hayfork Ranger District, Hyampom Quadrangle Snow Camp; Shasta-Trinity National Forests, Hayfork Ranger District 1315 Comment
  CHSC82139  Carex bolanderi L. P. Janeway 2001-7-16 7360 Trinity Klamath Ranges. Un-named spring and meadow 1.1 km west-southwest of Dubakella Mountain; southeast side of Road 29N55 near head of Ditch Gulch. 1595 Comment
  HSC63670  Carex bolanderi D. W. Taylor, Kathleen A. Teare 1979-9-10 7684 Trinity Trimble Spring, headwaters of Manzanita Creek near Big Bar 1265 Comment
  HSC44055  Carex bolanderi Thomas W. Nelson, Jane P. Nelson 1977-7-30 3659 Trinity N side of Mule Ridge 1494 Comment
  CAS-BOT-BC19671  Carex brainerdii John Thomas Howell 1937-7-25 13504 Trinity Stuarts Fork of Trinity River. 2225 Comment
  HSC76779  Carex brainerdii L. P. Janeway 1983-5-27 304 Trinity Eagle Creek USFS Campground. 854 Comment
  CAS-BOT-BC19670  Carex brainerdii Alice Eastwood; John Thomas Howell 1937-6-25 4963 Trinity Trinity River Canyon at Eagle Creek. Comment
  SEINET10752406  Carex brainerdii Lawrence P. Janeway 1984-6-23 Janeway 891 Trinity Trinity Dam quad (15') T35N, R8W, SW1/4 of sec. 6. N-facing slope above East Fork Stuart Fork; upper slope near crest. 1158 Comment
  SEINET7484337 Image available Carex brainerdii Peter F. Zika 2009-1 24522 Trinity above Route 99, 1.4 road miles E of Buckhorn Station Loop, west junction; Klamath Range (KR) 800 Comment
  CAS-BOT-BC34386  Carex cusickii Mrs. H. C. Cantelow 1936-5-22 s.n. Trinity Scott Ranch, 3 miles from Trinity Center. Comment
  CAS-BOT-BC34444  Carex deflexa var. boottii Alice Eastwood; John Thomas Howell 1937-6-25 4897 Trinity Trinity Alps Resort. Comment
  SEINET7556590 Image available Carex deflexa var. boottii Alice Eastwood, John Thomas Howell 1937-6-25 4897 Trinity Trinity Alps Resort. Comment
  CHSC104062  Carex echinata subsp. echinata Peter F. Zika 2009-6-18 24526 Trinity Klamath Range. East side of Route 3, near east bank of Trinity River, at 3000 foot sign. 900 Comment
  UC562430  Carex echinata subsp. echinata Joseph P. Tracy 1935-7-24 14217 Trinity e Ranger Station; Trinity Summit 1889 Comment
  CHSC43917  Carex feta L. P. Janeway 1987-6-29 2377 Trinity Old floodplain of Trinity River near mouth of Grass Valley Cr; 'Lowden Ranch'. Flat mdw-wetland area on N side of Lewiston Rd 1.9 mi from hwy 299. 533 Comment
  HSC34180  Carex fracta J. P. Smith, J. O. Sawyer 1973-7-4 7092 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  UC585643  Carex fracta Joseph P. Tracy 1937-7-25 15544 Trinity on ridge 2 mi E of Groves Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC20765  Carex fracta H. M. Pollard 1953-8-20 s.n. Trinity Red Mountain Trail at stream crossing, north of Trinity Alps Resort. 1981 Comment
  RSA275305  Carex gigas Thomas W. Nelson, Jane Nelson 1978-7-2 4388 Trinity North side of Mule Ridge. 1585 Comment
  SEINET8351639  Carex gigas Wayne Rolle 1994-8-11 850 Trinity below Echo Lake 2134 Comment
  CAS-BOT-BC21792  Carex hassei Alice Eastwood; John Thomas Howell 1937-6-25 5000 Trinity Scott Mountains N of Carrville. Comment
  CAS-BOT-BC320478  Carex hassei Peter F. Zika; Barbara Wilson 2011-7-31 25693 Trinity FS Road 40N45, 14.0 road miles S of junction with FS Road 17, 0.5 air miles N of Gumboot Lake, Klamath Range (KR) 1930 Comment
  HSC78279  Carex hassei John S. Palmer 1976-7-4 450 Trinity Bear Lakes Area, near Log Creek 1616 Comment
  JEPS123440  Carex heteroneura Julie Kierstead Nelson with Marie Buell 2015-7-18 2015 -113 Trinity Yolla Bolly Wilderness; near Tehama County line; 0.3 miles W of North Yolla Bolly; headwaters of the east fork of the south fork of Trinity River. Comment
  CHSC118613  Carex heteroneura Julie Kierstead Nelson; Marie Buell 2015-7-18 2015 -113 Trinity Yolla Bolly Wilderness; near Tehama County line; 0.3 miles W of North Yolla Bolly; headwaters of the east fork of the south fork of Trinity River. UTM NAD 83 Zone 10, 501873m E, 4449333m N. 2215 Comment
  CAS-BOT-BC28195  Carex hoodii Harold Ernest Parks; Joseph Prince Tracy 1947-6-27 11632 Trinity South Fork Mt. at Cold Springs. 1645 Comment
  UC184902  Carex hystericina Harry S. Yates 1914-6-14 423 Trinity Rush Creek. Anderlines. 609 Comment
Read comments Nov 22 2017
  SEINET8067864 Image available Carex inops B. Wilson, Otting, N 2010-1 16013 Trinity Castle Creek Road. Comment
  CHSC98331  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-27 7730 Trinity North Coast Ranges. Dry margins of Upper Mumbo Lake. 1860 Comment
  HSC78275  Carex interior John S. Palmer 1976-7-4 465 Trinity Bear Lakes Area, near Log Creek 1616 Comment
  HSC36158  Carex laeviculmis Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-7-20 2044 Trinity Inlet to Wats Lake Comment
  RSA211356  Carex lenticularis var. lipocarpa William J. Ferlatte 1966-8-23 467 Trinity Trinity Alps: Boulder Creek basin, tributary to Canyon Creek. 1707 Comment
  CHSC45246  Carex luzulina L. P. Janeway 1983-5-28 308 Trinity West side of Trinity River, ca 1/2 mi N of Eagle Creek campground. 853 Comment
  CHSC92501  Carex luzulina G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2759 Trinity Trinity Mountains. In moist meadow S of campground in Scott Mountain summit forest camp, at the summit of Hwy 3 between Callahan (Siskiyou Co.) and Trinity Center; campground and meadow are in Trinity Co. 1645 Comment
  HSC341  Carex luzulina William J. Ferlatte 1967-8-10 876 Trinity Grizzly Creek, 1/4 mi. below falls 1829 Comment
  HSC653  Carex luzulina William J. Ferlatte 1967-7-6 628 Trinity Mouth of Bullards Basin 1829 Comment
  CHSC114080  Carex luzulina Jennifer Buck; Danielle Roach 2009-8-27 WBCCC 02 A Trinity Headwaters West Branch Crow Creek, 1 mile south of Mumbo Basin, The Eddys; UTM Zone 10N, 540746E, 4558975 1883 Comment
  SEINET10711245  Carex mariposana Thomas W. Nelson, Jane P. Nelson 1979-6-14 Nelson 4754 Trinity Bonzana King Quad. T38N, R7W, S16. Along Trinity River and Old State Route 3 north of Eagle Creek Campground. 823 Comment
  UCD168925  Carex mendocinensis L. P. Janeway 2006-7-4 8801 Trinity Klamath Ranges.Scott Mountains; along Hwy 3, 3.9 road km southeast of Scott Mountain Summit, on east side of Dan Rice Creek. 1372 Comment
  HSC82472  Carex mendocinensis Thomas W. Nelson, Jane Nelson 1979-6-14 4788 Trinity W side of Hwy. 3, across Trinity River from mouth of Bear Creek 915 Comment
  HSC44239  Carex multicaulis M. A. Baker 1977-5-21 298 Trinity Eagle Creek Campground 851 Comment
  HSC67400  Carex multicaulis Ed Cope, John S. Palmer Jul 1977 532 Trinity South of trail to Granite Lake. 1280 Comment
  CAS-BOT-BC32015  Carex multicaulis Joseph Prince Tracy 1942-7-3 17396 Trinity Van Duzin River, halfway between Kuntz and Hettenshaw. 975 Comment
  HSC24233  Carex multicaulis William J. Ferlatte, B. D. Rogers 1966-6-1 2059 Trinity Near Hayfork Summit 1128 Comment
  UC1103092  Carex multicostata Joseph P. Tracy 1941-6-29 16936 Trinity Hettenshaw Valley 944 Comment
  RSA66652  Carex multicostata Phillip A. Munz 1951-7-18 16669 Trinity N slope of N Yolla Bolly Peak, North Yolla Bolly Mountains. 1982 Comment
  CAS-BOT-BC119727  Carex nebrascensis John Thomas Howell 1936-8-24 12751 Trinity Summit of Scott Mts. N of Carrville. Comment
  HSC45550  Carex nudata J. P. Smith 1973-4-21 6177 Trinity Above Eagle Creek Loop, N of the Eagle Creek Campground. 854 Comment
  CAS-BOT-BC119178  Carex pachystachya Joseph Prince Tracy 1935-8-5 14540 Trinity Devil's Canyon Mts at head of White's Creek. 2072 Comment
  UC710956  Carex pachystachya C. L. Hitchcock and J. P. Martin 1939-7-11 5401 Trinity Upper Canyon Creek Lake, S shore 1889 Comment
  CAS-BOT-BC119181  Carex pachystachya R. C. Barneby 1954-5-17 11546 Trinity Trinity River Canyon 5 mi above carrville. 822 Comment
  CAS-BOT-BC118948  Carex pellita Mrs. H. C. Cantelow 1936-5-22 1275 Trinity Near Scott Ranch, 3 mi from Trinity Center. Comment
  CAS-BOT-BC117962  Carex rossii T. W. Nelson; J. P. Nelson 1978-7-24 4489 Trinity Weaverville Quad. Along road to Bully Choop 100 m N of jct w/ rd to lookout. 1767 Comment
  CAS-BOT-BC117926  Carex scabriuscula William J. Ferlatte 1987-8-14 929 Trinity Trinity Alps Wilderness. Wet meadow NW of Landers Lake. 2164 Comment
  HSC46840  Carex scabriuscula William J. Ferlatte 1975-8-25 1733 Trinity Below outlet of Lake Anna, above upper end of Bowerman Meadows 2226 Comment
  HSC91273  Carex scabriuscula Jennifer Whipple 1977-7-5 1929 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the upper Deadfall Lakes 2165 Comment
  SEINET7468108 Image available Carex scabriuscula Ray Tallent 1987-8-14 925 Trinity Trinity Alps Wilderness, just E of confluence of Sunrise and Landers Creeks. 1853 Comment
  CAS-BOT-BC117922  Carex scabriuscula William J. Ferlatte 1974-8-16 1651 Trinity Siligo Peak-Summit Lake area. Boggy area below W side of Summit L. 2209 Comment
  HSC91267  Carex scopulorum Jennifer Whipple 1976-6-12 991 Trinity Near Lower Deadfall Lake 2165 Comment
  JEPS95011  Carex serratodens Vernon Oswald and Lowell Ahart 1997-7-17 8750 Trinity 0.8 mi n of West Fork Smoky Creek (7.9 mi s of Highway 36, Forest Route 29 in Trinity National Forest); Forest Route 29, Trinity National Forest 1420 Comment
  CAS-BOT-BC117270  Carex spectabilis Joseph Prince Tracy 1935-8-8 14695 Trinity Devil's Canyon Mts. Around White's Creek Lake, head of North Fork of White's Creek. 1889 Comment
  HSC335  Carex spectabilis William J. Ferlatte 1967-8-11 904 Trinity Below the ice fields on the N side of Thompson Peak. 2378 Comment
  JEPS79861  Carex spectabilis Joseph P. Tracy 1935-8-5 14588 Trinity head of White's Greek Devils Canyon Mts. 2072 Comment
  UC249761  Carex stipata var. stipata Joseph P. Tracy 1923-6-30 6470 Trinity Barker Creek Northern Coast Ranges, Hay Fork Valley 792 Comment
  CHSC98371  Carex subfusca Thomas W. Nelson; Jane P. Nelson 1986-5-24 8079 Trinity North Coast Ranges. In wet aluvial soils beside Trinity River ca. 100 yds upstream from mouth of Indian Creek. 504 Comment
  SEINET8573712 Image available Carex subfusca Unknown 2009-1 24528 Trinity Comment
  CAS-BOT-BC224888  Carex subfusca Eugene Carter 1975-6-19 978 Trinity North Fork Trinity River. Along trail west of Digger Pine Flat 769 Comment
  RSA125890  Carex subfusca Peter H. Raven, Richard Snow 1958-7-19 13620 Trinity Moist spot near China Springs, along road 6.8 miles north of Helena. Comment
  CAS-BOT-BC114975  Carex vulpinoidea L. P. Janeway; Frances Biles 1988-6-21 2843 Trinity Near Grass Valley Cr ca. 1/2 mi from its mouth at the Trinity River. 533 Comment
  HSC37189  Castilleja applegatei Lon Hall 1975-5-16 337 Trinity Trails above Trinity River at Grays Falls Campground 310 Comment
  HSC57  Castilleja applegatei William J. Ferlatte 1966-6-30 171 Trinity Canyon Creek Lakes 1646 Comment
  HSC391  Castilleja applegatei William J. Ferlatte 1966-7-6 637 Trinity Head of Bullards Basin 1982 Comment
  CAS-BOT-BC241166  Castilleja applegatei subsp. pinetorum Elizabeth McClintock 1956-6-15 s.n. Trinity Along East Fork of Coffee Creek, on trail to Stoddard Lake Comment
  CAS-BOT-BC241171  Castilleja applegatei subsp. pinetorum Eugene Carter 1971-7-26 315 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) North slope of Hill 6135, 2 mi. west of Hobo Gulch 1828 Comment
  HSC39153  Castilleja applegatei subsp. pinetorum Gary S. Lester 1974-6-30 319 Trinity Trinity-Tehama county line, Yolla Bolly Wilderness Area, ridge top of S of N Yolla Bolly Peak 2317 Comment
  HSC70189  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1978-6-23 4327 Trinity Along FS Rd. 30, 1 mi. S of junction with SR 36 Comment
  JEPS4188  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance, Reid Moran, R. Rodriguez and Sherwin Carlquist 1951-6-13 3403 Trinity along State Highway 36, at the summit of the grade over South Fork Mountain, w Trinity County South Fork Mountain 1234 Comment
  RSA211408  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-6-28 560 Trinity East side of Packers Peak. Trinity Alps. 1982 Comment
  UC1196743  Castilleja applegatei subsp. pinetorum Stuart K. Harris 1942-6-24 7133 Trinity near New River Canyon mouth; New River Canyon 365 Comment
  UC922564  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1948-8-1 5404 Trinity Canyon Creek (tributary of Trinity River); Trinity Mountains, Trinity River 1676 Comment
  CAS-BOT-BC241162  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1939-6-9 4384 Trinity Scott Mt. Road 6 4/10 mi. N. of Carrville Comment
  JEPS23773  Castilleja arachnoidea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6847 Trinity s slope Scott Mountain 1950 Comment
  UCD122124  Castilleja arachnoidea William J. Ferlatte; Alice Q. Howard 1970-8-12 1309 Trinity Ridge west of upper Canyon Cr. 2255 Comment
  UC199355  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1911-7-24 291 Trinity Twin Lakes to Thompson Peak 2346 Comment
  HSC45603  Castilleja attenuata Diane L. Reed 1978-5-7 62 Trinity 2 mi. up Friday Ridge Rd. from Hwy. 299 Comment
  CAS-BOT-BC226037  Castilleja lacera John Thomas Howell 1955-7-17 30708 Trinity Southwest of Peanut 762 Comment
  CAS-BOT-BC252484  Castilleja miniata Eugene Carter 1973-7-24 621 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) Lower Grizzly Meadow. Plants of Trinity County 1706 Comment
  CAS-BOT-BC252490  Castilleja miniata Mrs. M. H. Manning 1899-8-1 s.n. Trinity Trinity Summit Comment
  CAS-BOT-BC252485  Castilleja miniata Milo S. Baker 1926-8-4 199 - '26 Trinity Stony Creek near trail from Trinity Alps Resort to Granite Peak. Trip to Trinity and Siskiyou Counties, Summer '26 1828 Comment
  HSC47752  Ceanothus arcuatus Thomas W. Nelson, J. P. Smith 1978-5-6 3978 Trinity At Philpot Campground 762 Comment
  UCD78195  Ceanothus arcuatus Robert E. Preston 2008-7-19 2642 Trinity W slope of Mt. Eddy, along Pacific Coast Trail, 0.25 mi S of its jct with Forest Service Rd A17 2102 Comment
  HSC55434  Ceanothus cordulatus G. L. Clifton 1979-7-16 7923 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  CAS-BOT-BC49159  Ceanothus cuneatus Anna A. Junkans 1915-1-1 s.n. Trinity Weaverville Comment
  CAS-BOT-BC49164  Ceanothus cuneatus L. B. Kildale 1930-10-19 10277 Trinity Trinity River at Betty-May Mine Comment
  HSC18262  Ceanothus cuneatus R. H. Berg 1963-4-6 38 Trinity Near Weaverville Comment
  HSC28369  Ceanothus cuneatus J. P. Smith 1973-4-21 6166 Trinity Above Eagle Creek Loop, N of the Eagle Creek Campground. 854 Comment
  HSC40542  Ceanothus cuneatus Thomas W. Nelson, Jane P. Nelson 1976-5-23 2532 Trinity E side of Black Lassic 1555 Comment
  HSC41994  Ceanothus cuneatus Ed Cope 1977-5-7 56 Trinity Blue Point on Blue Point Ridge 1573 Comment
  HSC60198  Ceanothus cuneatus J. P. Smith 1975-5-17 8134 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  SJSU10910  Ceanothus cuneatus H. F. Sebring 1956-5-27 285 Trinity Hayfork 710 Comment
  CDA35562  Ceanothus cuneatus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2739 Trinity One-eye Flat south of Trinity River bridge, 0.4 mile north of Coffee Creek Road, west side of Hwy 3, north of Trinity Center. Comment
  HSC45841  Ceanothus cuneatus D. M. Gordon 1978-8-3 Trinity South side of Hwy. 3, about 300 yards E of intersection of Big Creek Rd. and Hwy. 3 728 Comment
  UC1070942  Ceanothus cuneatus var. cuneatus C. R. Clar 1930-7-3 92 Trinity E Fork of Hayfork Creek. Big Bar quad, Trinity Nat. For. 1066 Comment
  CAS-BOT-BC50972  Ceanothus integerrimus Marcus E. Jones 1931-7-16 s.n. Trinity Burnt Ranch, near Trinity River Comment
  CAS-BOT-BC50979  Ceanothus integerrimus P. A. Munz 1951-7-17 16572 Trinity Grasshopper Public Camp, 2.5 mi. N.W. of Stuart Gap, North Yolla Bolly Mts. 1371 Comment
  HSC55508  Ceanothus integerrimus G. L. Clifton, Butler 1979-7-18 8484 Trinity Near Jones Ridge, close to the town of Mad River 1448 Comment
  SBBG118381  Ceanothus integerrimus D. Wilken with E. Painter 2004-6-8 16195 Trinity between Buckhorn Bally and Buckhorn Summit 1240 Comment
  UC176966  Ceanothus integerrimus Joseph P. Tracy 1913-6-24 4286 Trinity 6 mi above Ruth; Mad River Valley, Northern Coast Ranges Comment
  UCD112004  Ceanothus integerrimus T. E. Weier 1942-5-22 s.n. Trinity Trinity National Forest, Haydon Flat. Comment
  UCR84794  Ceanothus integerrimus Kathy Harper 1992-5-15 s.n. Trinity Hell's Gate Forest Service Campground along NW side of S fork of Trinity River, 1 mi east of Forest Glen on Hwy 36 703 Comment
  UC33643  Ceanothus lemmonii W. C. Blasdale 1896-6-11 Trinity Hay Fork Comment
  OBI35910  Ceanothus oliganthus var. sorediatus David J. Keil 1983-7-3 17353 Trinity Ca. 19 mi NE of jctn with SR 299 on SR3 Comment
  CAS-BOT-BC52137  Ceanothus prostratus G. R. Kleeberger 1879-9-27 s.n. Trinity unspecified 1828 Comment
  HSC66799  Ceanothus prostratus Cathie Goldberg, Lynn Kuntsman, Lauren Philbrick, Geoff Walsh 1980-5-3 70 Trinity Along road to Dubakella Mtn. from Hwy. 36 1296 Comment
  HSC69764  Ceanothus prostratus Thomas W. Nelson, Jane P. Nelson 1977-9-4 3742 Trinity Along F.S. Road 29N30 just S of Pine Root Spring. 1372 Comment
  UC1071295  Ceanothus prostratus B. E. Parsons Aug 1932 1321 Trinity between Trinity Summit and Salmon Mountain (Devil's Backbone); Trinity National Forest, btw Trinity Summit and Salmon Mt. 1524 Comment
  UC1229855  Ceanothus prostratus J. I. Mallory 1962-3-16 234 Trinity 1/2 mi ese Buckhorn Summit (Trinity County just over Shasta County line (25 yds from Shasta)); ese of Buckhorn Summit 1097 Comment
  SEINET10493656  Ceanothus prostratus Mary Susan Taylor 1980-8-13 Taylor 3230 Trinity T29N R11W sw sec 33, Dubakella Mt quad. Shasta-Trinity Natl Forest, serpentine slope on W side of 29N33, ca. 0.5 mi NW of its jct with rd 29N34, ca. 1.2 mi NW of its jct with Hwy 36, ca. 5 mi SW of Wildwood. With S. Horner. 1494 Comment
  SEINET13946057 Image available Ceanothus prostratus Botany 118 1985-1 s.n. Trinity SEC36, T30N R11W, H.M.; Dubekella Mountain road; south of Peanut off Hwy 3. elev 2800 ft 853 Comment
  SEINET7091120  Ceanothus prostratus Douglass M. Henderson 1986-6-6 6970 Trinity Trinity Mountians, Shasta-Trinity National Forest. Divide between Trinity and Siskiyou Counties, Scott Mountain USFS [United States Forest Service] Campground, circa 250 meters southwest of Scott Mountain summit. Ex University of Idaho Stillinger Herbarium (ID), Acc. No. 119458. 1646 Comment
  HSC33459  Ceanothus prostratus var. laxus J. O. Sawyer 1971-7-7 2405 Trinity E of Weaver Bally 1738 Comment
  HSC38723  Ceanothus prostratus var. laxus J. P. Smith, J. O. Sawyer 1975-6-23 8327 Trinity 7 mi. S of Hwy. 299 at Buckhorn Summit on Rd. to Bully Choop. 1280 Comment
  CAS-BOT-BC52150  Ceanothus pumilus Roger Raiche 1985-6-15 RR 50537 Trinity near Kettenpom 1051 Comment
  HSC82451  Centaurea cyanus Thomas W. Nelson, Jane P. Nelson 1979-5-26 4746 Trinity Along Hwy. 3, 2.1 mi. S of Coffee Creek Bridge Comment
  CDA37884  Centaurea diffusa CDFA Staff 1972-8-17 s.n. Trinity South Fork Mountain. 0 Comment
  UC1222947  Centaurea solstitialis Joseph P. Tracy 1941-9-1 17005 Trinity Burnt Ranch Comment
  HSC36487  Centaurea solstitialis John Rehling 1974-7-28 14 Trinity along road leading to Denny 1 mile N of Hwy.299 Comment
  HSC54146  Cephalanthera austiniae Gilbert Muth 1979-7-18 8345 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  CAS-BOT-BC388168  Cerastium fontanum Annie M. Alexander; Louise Kellogg 1948-8-20 5517 Trinity Trinity Mountains. Morris Meadow, Stuart Fork of Trinity River 1280 Comment
  UC922635  Cerastium fontanum subsp. vulgare Annie M. Alexander and Louise Kellogg 1948-8-20 5517 Trinity w. side of Morris Meadow; Trinity Mts., Stuart Fork of Trinity R., Morris Meadow 1280 Comment
  HSC68113  Cerastium glomeratum J. P. Smith 1973-5-6 6609 Trinity Blanchert Flats near Douglas City Comment
  HSC45785  Cercis occidentalis Brad Klipfel 1975-5-3 593 Trinity Grays Falls along N side of the Trinity River Comment
  RSA244945  Cercis occidentalis J. P. Smith 1973-4-7 6020 Trinity New River trail from Grays Falls Campground on the north side of the Trinity River and west side of the New River. 244 Comment
  CAS-BOT-BC207660  Cercis occidentalis E. V. Jotter. 1911-10-21 420 Trinity Trinity N.F. #63 914 Comment
  UC1193189  Cercocarpus betuloides var. betuloides P. Zinke 1950-6-20 136 Trinity Hulls Creek-Casoose Creek Divide; California Forest and Range Experiment Station 1645 Comment
  UC303167  Cercocarpus betuloides var. betuloides Joseph P. Tracy 1923-6-29 6431 Trinity Hay fork Mountain, near summit on Weaverville Road Hay fork Mountain; Northern Coast Ranges, Hay fork Mountain 1097 Comment
  HSC18556  Cercocarpus montanus var. glaber L. H. Myers 1963-4-14 30 Trinity Along Hwy. 299, 10 mi. W of Whiskeytown Dam Comment
  HSC46951  Chaenactis douglasii var. douglasii William J. Ferlatte 1974-7-26 1603 Trinity Big Flat at head of Coffee Creek, East of Lake Martin, east side of Coffee Creek Rd. 1524 Comment
  HSC66314  Chaenactis suffrutescens M. S. Taylor 1980-7-22 3165 Trinity On W side of Hwy. 137, ca. 2.4 mi. N of its jct. with Hwy. 3, ca. 5 mi. N of Eagle Creek Campground 915 Comment
  CAS-BOT-BC26222  Chaenactis suffrutescens var. incana John Thomas Howell 1936-8-27 1555 Trinity E. of Scott Ranch Comment
  CAS-BOT-BC32707  Chaenactis suffrutescens var. incana John Thomas Howell 1936-8-27 12861 Trinity Trinity River near Trinity Center Comment
  CHSC1122  Chamerion angustifolium subsp. circumvagum M. Underhill 1952-7-16 Trinity 304 Comment
  CAS-BOT-BC70244  Cheilanthes gracillima Annie M. Alexander; Louise Kellogg 1949-7-13 5799 Trinity Trail to Bear Lake, Union Creek, South branch of Coffee Creek, Northwest of Trinity Center 1828 Comment
  HSC39130  Cheilanthes gracillima Gary S. Lester 1974-6-29 316 Trinity Yolla Bolly Wilderness Area, E of saddle between N Yolla Bolly Mtn. and Black Rock Mtn. 2256 Comment
  HSC71496  Cheilanthes gracillima M. A. Baker 1980-7-2 2642 Trinity Near Horsehead Mtn. 1737 Comment
  HSC74785  Cheilanthes gracillima Gail Newton 1980-7-12 1368 Trinity Near Red Lassic 1798 Comment
  UC922668  Cheilanthes gracillima Annie M. Alexander and Louise Kellogg 1948-8-1 5378 Trinity Canyon Creek Dedrick; Trinity Mts 762 Comment
  HSC78240  Cheilanthes gracillima John Palmer 1976-6-16 436 Trinity Above Big Bear Lake 2012 Comment
  CAS-BOT-BC451451  Chimaphila menziesii Alice Eastwood; John Thomas Howell 1937-6-25 4921 Trinity Minersville to Trinity Center Comment
  CAS-BOT-BC94446  Chimaphila menziesii R. C. Wenk 2005-7-18 295 Trinity Scott Mountains, border between Trinity and Siskiyou Counties. Along Pacific Crest Trail, 1.5 miles E of Highway 3 1800 Comment
  RSA183509  Chimaphila menziesii D. E. Anderson 1965-5-8 3660 Trinity About 8 miles southeast of willow Creek along Hwy. 299. Comment
  UC1120952  Chimaphila umbellata N. French 1943-10-4 29 Trinity head of Conner Creek; Trinity Forest, Big Bar Quad. 1524 Comment
  HSC45422  Chimaphila umbellata Thomas W. Nelson, Jane Nelson 1977-8-6 3688 Trinity Along Mule Ridge Comment
  RSA123808  Chimaphila umbellata subsp. occidentalis G. D. Barbe 1955-7-27 298 Trinity South of Scott Mtn. Forest Camp. 1616 Comment
  HSC72817  Chlorogalum pomeridianum Gail Newton 1980-7-13 1427 Trinity Near Red Rock. 1509 Comment
  HSC73214  Chlorogalum pomeridianum Gail Newton 1980-7-1 865 Trinity Near Hayden Roughs 1219 Comment
  HSC40604  Chlorogalum pomeridianum var. pomeridianum Thomas W. Nelson, James Nelson 1976-6-22 2815 Trinity Below Senteney Rock 1494 Comment
  HSC69903  Chorizanthe membranacea Thomas W. Nelson 1978-5-27 4048 Trinity Along trail to Red Mtn. 1220 Comment
  RSA296776  Chorizanthe membranacea Thomas W. Nelson 1978-5-27 4048 Trinity Along trail to Red Mountain 1220 Comment
  HSC4941  Chrysolepis chrysophylla J. O. Sawyer 1968-9-1 630 Trinity Along Limestone Ridge from Pony Mtn. to Marble Springs 1799 Comment
  CAS-BOT-BC36366  Chrysolepis sempervirens Milo S. Baker 1926-8-8 245 Trinity Top of Granite peak 2438 Comment
  UC405363  Chrysolepis sempervirens Harry S. Yates 1914-7-13 479 Trinity Stuarts forks Comment
  RSA211363  Circaea alpina subsp. pacifica William J. Ferlatte 1967-7-24 706 Trinity Big Flat, Trinity Alps. 1524 Comment
  RSA21141  Circaea alpina subsp. pacifica Carl B. Wolf 1937-8-12 9169 Trinity North Coast Range, South Fork Mt., 5.7 S of Cold Spring Lookout. 1372 Comment
  CAS-BOT-BC58388  Cirsium andersonii R. C. Wenk 2005-7-18 291 Trinity Scott Mountains, border between Trinity and Siskiyou counties. Pacific Crest Trail, 1 mi. E of Highway 3 1900 Comment
  CDA1089  Cirsium arvense J. R. Keck Jr. 1972-7-13 s.n. Trinity So. Fork Trinity River, 100 yds upstream from confluence of E. Fork Trinity. 0 Comment
  CDA20001  Cirsium arvense Lockhart 2002-7-24 PDR 914645 Trinity Northwestern California; Vicinity of Zenia. 0 Comment
  CAS-BOT-BC278057  Cirsium cymosum Alice Eastwood; John Thomas Howell 1937-6-25 4952 Trinity Between Coffee and Eagle creeks Comment
  JEPS102964  Cirsium cymosum var. cymosum L. P. Janeway 2001-7-8 7303 Trinity Klamath Ranges. On ridgetop 1.8 km north of Red Mountain 1650 Comment
  UCD158796  Cirsium douglasii var. breweri G. Ledyard Stebbins 1972-8-19 s.n. Trinity Southwest of Wildwood, along State Highway 36 at head of Muldoon Gulch. (Exact location unknown. Coordinates estimated by label maker. Notation on newspaper only gave the following 'East of Dubakella' but this notation matches other newspaper notations for specimens with more complete location information. Copied location from DAV207839) 1249 Comment
  CHSC40939  Cirsium occidentale var. candidissimum J. D. Jokerst 1984-7-27 2131 A Trinity North of Butter Creek in the creek's canyon. Ca. 3 air miles SE of Hyampom. 762 Comment
  CAS-BOT-BC288022  Cirsium occidentale var. candidissimum John Thomas Howell 1937-7-30 13702 Trinity Junction City Comment
  CAS-BOT-BC288026  Cirsium occidentale var. candidissimum C. L. Hitchcock; J. S. Martin 1939-7-13 5422 Trinity 65 miles east of Arcata on Arcata-Redding Hiway 457 Comment
  HSC41136  Cirsium occidentale var. candidissimum Thomas W. Nelson, Jane P. Nelson 1976-8-2 3085 Trinity Above Hwy. 299 just W of Junction City Comment
  SDSU3788  Cirsium occidentale var. candidissimum D. F. Howe 1959-8-4 2793 Trinity Rockfill near road, #299, 10 1/2 mi. west of Weaverville. 457 Comment
  CAS-BOT-BC285759  Cirsium remotifolium Philip A. Munz 1952-6-29 17822 Trinity .5 mi. s. of Hobo Gulch Public Camp, North Fork of Trinity River, north of Helena 960 Comment
  UC130588  Cirsium remotifolium var. odontolepis H. M. Hall 1909-7-1 8528 Trinity Coffee Creek Salmon Mountains, Coffee Creek 914 Comment
  CAS-BOT-BC229002  Cistanthe umbellata Mrs. H. C. Cantelow 1936-5-21 s.n. Trinity 6 miles from Carrville Comment
  CAS-BOT-BC229006  Cistanthe umbellata F. Almeda 1993-7-29 7331 Trinity About 2-4 miles beyond the Gates Property off of Coffee Creek Road on an unmarked rocky trail through private property to Josephine Lake 1645 Comment
  HSC29582  Clarkia affinis D. E. Anderson, J. P. Smith 1971-6-21 - 1143 Trinity 12 mi. S of Zenia along Zenia-Covelo Rd. Comment
  CAS-BOT-BC160929  Clarkia amoena subsp. amoena C. L. Hitchcock; J. S. Martin 1939-7-13 5420 Trinity 60 miles east of Arcata on Arcata-Redding Hiway 457 Comment
  JEPS43651  Clarkia amoena subsp. huntiana Hilda W. Grinnell 1932-7-15 21 Trinity Junction of Norgaar Ranch road with South Fork Mountain road 1524 Comment
  RSA449289  Clarkia gracilis subsp. gracilis Thomas W. Nelson, Jane P. Nelson 1980-6-18 5562 Trinity Along road 2N10 (10) 4 miles north of Indian Valley Guard Station, just south of junction with road 2N01; Shasta-Trinity National Forest 1341 Comment
  HSC73831  Clarkia rhomboidea Gail Newton 1980-7-13 1380 Trinity Near Red Rock. 1509 Comment
  UC505097  Clarkia rhomboidea Joseph P. Tracy 1932-6-17 10226 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  HSC16273  Clarkia rhomboidea William J. Ferlatte, B. D. Rogers 1966-6-1 2060 Trinity Near Hayfork Summit 1128 Comment
  UCD104994  Clarkia rhomboidea W. C. Overton Jr. 1977-7-9 s.n. Trinity Coffee Creek Road, 15.2 miles from its junction with State Highway 3 and 3.5 miles before entrance to Big Flat Campground, Shasta National Forest. 1438 Comment
  HSC69810  Claytonia exigua subsp. exigua Thomas W. Nelson 1978-5-26 3813 Trinity NW facing slope along Hwy. 3, just S of Peanut 793 Comment
  LA207491  Claytonia lanceolata H. M. Hall; 1909-7-22 8616 Trinity Salmon Mountains, Above Union Lake Comment
  HSC78856  Claytonia palustris John S. Palmer 1973-8-3 154 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  UC1212150  Claytonia palustris Francia Chisaki and Helen K. Sharsmith 1959-8-21 4749 Trinity 11 mi from Hawkins Bar (at crossing of road from Hawkins Bar to Denny, margins of Bell Creek, tributary of New River); Inner North Coast Ranges, New River, Bell Creek 609 Comment
  HSC35174  Claytonia parviflora subsp. parviflora R. M. Sullivan 1975-5-17 80 Trinity Along Hwy. 299 at Hayden Flat Campground 390 Comment
  HSC72927  Claytonia parviflora subsp. parviflora R. York 1980-5-25 799 Trinity Near Browns Canyon 823 Comment
  HSC74789  Claytonia parviflora subsp. parviflora Gail Newton 1980-7-9 1137 Trinity Near Shanty Creek. 1113 Comment
  CHSC116265  Claytonia rubra subsp. rubra Barbara L. Wilson; Richard E. Brainerd, Nick Otting 2009-5-5 15505 Trinity Along Highway 299. 923 Comment
  HSC45413  Claytonia rubra subsp. rubra Thomas W. Nelson, Jane P. Nelson 1977-6-19 3531 Trinity Above Senteney Rock. 1555 Comment
  HSC72289  Claytonia rubra subsp. rubra J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-8 9583 Trinity Hwy. 36, 1 mi. from Hayfork Creek 1067 Comment
  CAS-BOT-BC451760  Claytonia serpenticola H. M. Hall 1909-7-22 8616 Trinity Above Union Lake, in the Salmon Mountains Comment
  UC275276  Clematis lasiantha Joseph P. Tracy 1924-4-27 6660 Trinity bluffs at mouth of New River; Northern Coast Ranges 426 Comment
  CDA24215  Clematis ligusticifolia Vernon H. Oswald & Lowell Ahart 1998-7-28 9384 .1 Trinity Rattlesnake Road along the west side of Post Creek, 0.2 mile north of Highway 36, east of Forest Glen. Comment
  UC1608348  Clematis ligusticifolia J. Kierstead 1990-9-12 90 -158 Trinity 0.1 mi. w. Trinity Center (Swift Creek at Hwy. 3); Swift Creek 701 Comment
  HSC36186  Clematis ligusticifolia var. ligusticifolia J. P. Smith, J. O. Sawyer 1973-7-26 7152 Trinity Eagle Creek Campground 854 Comment
  UC922639  Clintonia uniflora Annie M. Alexander and Louise Kellogg 1948-8-25 5557 Trinity Stuart Fork of Trinity River, trail above Morris Meadow Stuart Fork Trinity River; Trinity Mountains, Stuart Fork Trinity River 1280 Comment
  HSC78451  Clintonia uniflora John S. Palmer 1974-7-3 228 Trinity Bear Lakes area, along trail to Big Bear Lake. 1463 Comment
  UCD139625  Clintonia uniflora Rolf Y. Berg 1963-7-10 s.n. Trinity along Coffee Creek between Lady's Gulch and Adam's Creek. Comment
  JEPS47372  Collinsia grandiflora L. R. Heckard and Robert Ornduff 1966-4-28 1490 Trinity 3.2 mi n of Junction City Comment
  JEPS6297  Collinsia grandiflora W. L. Jepson 1934-5-5 16639 Trinity Wildwood upper Hay Fork Comment
  UC1008305  Collinsia grandiflora Rimo Bacigalupi with L. Constance, Reid Moran, Rafael Rodriguez and Sherwin Carlquist 1951-6-12 3388 Trinity Wildwood drainage of Hay Fork of Trinity River (on St Hwy 36) 1005 Comment
  HSC24126  Collinsia greenei J. O. Sawyer 1970-4-18 2488 Trinity Above New River. 244 Comment
  HSC44833  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1977-6-19 3524 Trinity Above Senteney Rock 1555 Comment
  HSC69689  Collinsia greenei Thomas W. Nelson, J. O. Sawyer 1978-6-9 4114 Trinity Red Mtn. 1250 Comment
  HSC70183  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1978-6-23 4320 Trinity Along FS Rd. 30, 1 mi. from junction with Hwy. 36 Comment
  HSC72837  Collinsia greenei M. A. Baker 1980-6-25 2246 Trinity Near Castle Rock 1436 Comment
  HSC35107  Collinsia greenei A. Montalvo 1975-5-17 246 Trinity Humboldt Meridian; on trail to Denny at the confluence of New River and Trinity River 310 Comment
  HSC42568  Collinsia greenei Robert M. Specht 1977-6-27 1187 Trinity E side of Big Butte Comment
  HSC74098  Collinsia linearis M. A. Baker 1980-5-25 1608 Trinity Near Browns Canyon. 823 Comment
  HSC28977  Collinsia parviflora J. P. Smith 1973-4-21 6274 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC72400  Collinsia rattanii J. P. Smith, J. O. Sawyer 1975-6-1 8190 Trinity 1/2 mi. NW of Wildwood 915 Comment
  HSC91174  Collinsia rattanii Jennifer Whipple 1976-8-11 1667 Trinity S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  JEPS5190  Collinsia rattanii Rimo Bacigalupi with L. Constance, Reid Moran, Rafael Rodriguez and Sherwin Carlquist 1951-6-12 3383 Trinity CA Hwy 36 Wildwood (drainage of Hay Fork of Trinity River); Hay Fork Trinity River drainage 1005 Comment
  SD46682  Collinsia rattanii E. K. Balls, L. W. Lenz 1956-6-12 21659 Trinity 1.1 mi. nw. of Burnt Ranch along U.S. Hwy. 299, Weaverville to Willow Creek 427 Comment
  RSA66450  Collinsia torreyi var. wrightii Philip A. Munz 1951-7-21 16791 Trinity Slightly lower peak just south of North Yolla Bolly Pk. 2332 Comment
  CAS-BOT-BC538052  Collomia G. Ledyard Stebbins 1973-6-30 s.n. Trinity Salt Creek at mouth of Panther Gulch [exact location unknown] Comment
  HSC70808  Collomia grandiflora Gail Newton 1980-7-10 1155 Trinity Near Senteney Rock. 1545 Comment
  HSC91962  Collomia grandiflora Jennifer Whipple 1977-7-22 2065 Trinity W and SW facing slopes above Deadfall Creek 2317 Comment
  HSC35171  Collomia heterophylla R. M. Sullivan 1975-5-18 85 Trinity SE of confluence of Pawauket Gulch and Reading Creek 610 Comment
  SEINET6969885  Collomia linearis Wanda P. Vestal, A. G. Vestal 1937-6-24 s.n. Trinity 4 miles south-southwest of Hayfork. Comment
  UC130704  Collomia tinctoria H. M. Hall 1909-7-1 8668 Trinity gravelly slopes Salmon Mountains, Dorleska 1981 Comment
  CAS-BOT-BC94907  Collomia tinctoria R. C. Wenk 2005-7-18 292 Trinity Scott Mountains, border btwn. Trinity & Siskiyou Cos., along Pacific Crest Trail, 1 mi. E of Highway 3 1900 Comment
  CAS-BOT-BC230684  Collomia tracyi Philip A. Munz 1952-6-29 17839 Trinity 14 miles S of Hobo Gulch Public Camp, N Fork of Trinity River, N of Helena 944 Comment
  CAS-BOT-BC230685  Collomia tracyi Philip A. Munz 1952-6-29 17839 Trinity 14 miles S of Hobo Gulch Public Camp, N Fork of Trinity River, N of Helena 944 Comment
  CAS-BOT-BC230690  Collomia tracyi Eugene Carter 1974-6-13 813 Trinity Salmon-Trinity Alps and vicinity. Along the N Fork Trinity River above Grizzly Creek 1051 Comment
  CAS-BOT-BC230697  Collomia tracyi Elizabeth McClintock 1956-6-16 s.n. Trinity Road along Coffee Creek, above Coffee Creek Ranch Comment
  HSC36603  Collomia tracyi Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2078 Trinity NE base of Black Lassic Comment
  HSC59960  Collomia tracyi M. A. Ericksen 1979-6-22 337 Trinity Horsehead Mtn. 1773 Comment
  HSC72523  Collomia tracyi Gail Newton 1980-7-2 909 Trinity Near Swim Ridge 1341 Comment
  RSA555420  Collomia tracyi Alva Day, Orbelia Robinson 1984-6-29 84 -20 Trinity Along Hwy 3, north of Weaverville and 1.8 miles north of Rush Creek Road turnoff Comment
  OBI11581  Collomia tracyi Rimo Bacigalupi, G. T. Robbins 1954-6-27 4645 Trinity Flat in forest along Rush Creek, on road to Trinity Alps Resort, 7 miles north of Weaverville, Trinity National Forest 732 Comment
  SEINET10544539  Comandra umbellata subsp. californica Mary Susan Taylor 1980-6-11 Taylor 2829 Trinity T34N R12W ne 1/4 sec 6. Hyampom quad. Big Bar, on S side of Trinity River, in vicinity of bridge to Big Bar Camp ground. Shasta Natl Forest. 457 Comment
  HSC46103  Corallorhiza maculata J. P. Smith, J. O. Sawyer 1975-6-1 8195 Trinity 1/2 mi. NW of Wildwood 915 Comment
  HSC72850  Corallorhiza maculata M. A. Baker 1980-7-2 2626 Trinity Near Horsehead Mtn. 1737 Comment
  UC1196448  Corallorhiza maculata Joseph P. Tracy 1947-6-26 17730 Trinity near Cold Springs; South Fork Mountain 1645 Comment
  UC184874  Corallorhiza maculata Harry S. Yates 1914-6-27 460 Trinity Buckeye Mt.; n slope Comment
  HSC42494  Corallorhiza striata Robert M. Specht 1977-7-1 1145 Trinity 1555 Comment
  HSC76180  Corallorhiza striata G. L. Clifton, Butler 1979-7-18 8810 Trinity Near Four Corners Rock, close to the town of Alderpoint. 1524 Comment
  CHSC30942  Cordylanthus tenuis subsp. tenuis T. Spira 1979-7-14 445 Trinity Along old Hwy 3 (135), w of Trinity River, 0.4 mi n of Eagle Creek Campground. 877 Comment
  HSC41585  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson, Jane P. Nelson 1977-7-30 3672 Trinity Along Mule Ridge just above the S Fork of Black Lassic Creek 1555 Comment
  JEPS66530  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1971-8-28 2785 Trinity n Trinity Center (1/2 mi s of junction of road to Castella) 883 Comment
  RSA412355  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson 1976-10-25 3269 Trinity Just north of Black Lassic Campground. 1616 Comment
  CAS-BOT-BC212082  Cornus nuttallii L. B. Kildale 1930-8-26 10525 Trinity South Fork Mountain Comment
  HSC59051  Cornus nuttallii Thomas Wood 1979-4-27 129 Trinity Salyer, bordering Hwy. 299 183 Comment
  RSA1381  Cornus nuttallii E. R. Johnson 1930-10-17 1591 Trinity l0 miles above Towerhouse on the Redding - Weaverville Road. 457 Comment
  HSC6420  Cornus nuttallii J. F. Knezevich 1967-10-14 354 Trinity Hwy. 299 at Oregon Summit, on the road 2 mi. before reaching Glennison Gap. Comment
  CAS-BOT-BC212131  Cornus sericea Milo S. Baker 1926-8-4 280 Trinity Stoney Creek, near trail from Trinity Alps Camp to Granite Pk 1828 Comment
  HSC22535  Cornus sessilis D. E. Anderson, J. P. Smith 1970-4-23 5048 Trinity About 1.5 mi. E across river from Salyer, Sharber slough area. Comment
  SD56774  Cornus stolonifera Darley F. Howe 1963-7-8 3619 Trinity 2.3 miles east of line between Six Rivers & Trinity National Forest. 1130 Comment
  CAS-BOT-BC180209  Corylus cornuta subsp. californica Alice Eastwood 1921-7-22 10699 Trinity Forest Glen Comment
  SD42353  Corylus cornuta var. californica Carl B. Wolf 1937-8-12 9193 Trinity North Coast Range, South Fork Mountain, Cold Spring Lookout 1645 Comment
  CAS-BOT-BC376533  Crepis monticola Ella Dales Cantelow 1939-6-9 2676 Trinity Summit Scott Mt. Comment
  HSC24197  Crepis monticola D. E. Anderson, D. Santana, J. Lackey 1971-7-15 52914 Trinity South Fork Mountain, along FS 1S02, the road to Pickett Peak, 0.4 mi. from its junction with Hwy. 36 Comment
  RSA67536  Crepis monticola P. A. Munz 1951-7-20 16741 Trinity Black Rock, north Yolla Bolly Mountains 2165 Comment
  CDA4441  Crepis occidentalis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2720 Trinity One-eye Flat south of Trinity River bridge, 0.4 mile north of Coffee Creek Road, west side of Hwy 3, north of Trinity Center. Comment
  JEPS36488  Crepis occidentalis W. L. Jepson 1897-7-25 Trinity South Yolla Bolly; ; [=modern Solomon Peak, see FB 1_107] Comment
  CAS-BOT-BC376496  Crepis occidentalis subsp. conjuncta G. R. Kleeberger 1880-7-2 s.n. Trinity Unspecified 1828 Comment
  CAS-BOT-BC290900  Crepis pleurocarpa Anna A. Junkans 1915-1-1 s.n. Trinity Weaverville Comment
  CHSC82596  Crepis pleurocarpa L. P. Janeway 2001-7-8 7301 Trinity Klamath Ranges. On ridgetop 1.8 km north of Red Mountain. 1650 Comment
  HSC73524  Crepis pleurocarpa Gail Newton 1980-7-13 1445 Trinity Near Mule Ridge 1646 Comment
  HSC98500  Crepis pleurocarpa Dana York, J. R. Shevock, Richard Helliwell 2009-7-3 2951 Trinity 82 m W of Redding, Shasta-Trinity National Forest, on Limestone Ridge 2152 Comment
  POM10838  Crepis pleurocarpa H. M. Hall 1909-7-21 8597 Trinity Dorleska, in the Salmon Mts., Canadian Zone 2000 Comment
  RSA78044  Crepis pleurocarpa P. A. Munz 1952-6-29 17807 Trinity 0.25 miles S of Hobo Gulch Public Camp, North Fork of Trinity River, north of Helena. 945 Comment
  UC1220307  Crocidium multicaule Richard Spellenberg and D. E. Anderson 1963-3-23 32 Trinity Spellenberg Ranch 3 mi e Burnt Ranch (1 mi w of Hwy 299) Comment
  HSC32801  Crocidium multicaule Thomas W. Nelson, Jane P. Nelson 1973-4-14 720 Trinity Beside Van Duzen River at U.S.F.S. campground ca. 5 mi. S of Hwy. 36 on the way to Zenia Comment
  HSC5466  Crocidium multicaule D. E. Anderson 1963-3-1 2376 Trinity 3 mi. S of Burnt Ranch Comment
  CAS-BOT-BC183596  Cryptantha affinis Eugene Carter 1975-6-26 1004 Trinity North Fork Trinity River. Grizzly Creek 1767 Comment
  HSC41227  Cryptantha affinis Thomas W. Nelson, James Nelson 1977-6-19 3481 Trinity Along FS Rd. 5E27 S of Senteney Rock 1524 Comment
  HSC72839  Cryptantha affinis Gail Newton 1980-7-1 860 Trinity Near Hayden Roughs 1219 Comment
  POM254009  Cryptantha intermedia C. L. Hitchcock, J. S. Martin 1939-7-10 5341 Trinity Ca. 10 miles east of Douglas City. 915 Comment
  HSC67215  Cryptantha microstachys Thomas W. Nelson, Jane P. Nelson 1980-6-16 5447 Trinity Shasta-Trinity National Forest, just N of Philpot Campground 793 Comment
  HSC49725  Cryptantha milobakeri J. O. Sawyer, R. J. Cole 1978-4-20 3101 Trinity Above Hwy. 299 at White's Bar. Comment
  JEPS90315  Cryptantha milobakeri Dean W. Taylor 1992-6-12 12747 Trinity Klamath Mountain Region, South Dubakella Mountain, along jeep road on ridge crest n of the summit South Dubakella Mountain; Klamath Mountain Region, South Dubakella Mountain 1767 Comment
  UC525603  Cryptantha milobakeri Joseph P. Tracy 1924-4-27 6659 Trinity New River Bluffs Northern Coast Ranges 426 Comment
  UC1222271  Cryptantha simulans Stuart K. Harris 1942-6-24 7138 Trinity near mouth of New River Canyon; New River Canyon 365 Comment
  HSC68814  Cryptantha torreyana Thomas W. Nelson, Jane P. Nelson 1980-6-18 5608 Trinity Shasta-Trinity National Forest, along FS Rd. 1N10, 1 mi. from junction with FS Rd. 2N07 1372 Comment
  HSC91328  Cryptantha torreyana Jennifer Whipple 1976-9-27 1815 Trinity N of Deadfall Lake in the Deadfall drainage 2195 Comment
  UC525591  Cryptantha torreyana Joseph P. Tracy 1923-6-30 6434 Trinity near summit on Weaverville Road; Northern Coast Ranges, Hay Fork Mountain 1097 Comment
  UC906730  Cryptantha torreyana Harold E. Parks and Joseph P. Tracy 1942-7-3 11616 Trinity halfway between Kuntz and Hettenshaw Valley 975 Comment
  UCR124008  Cryptantha torreyana George K. Helmkamp, E. A. Helmkamp 2001-7-8 6948 Trinity Trinity Mountains, Calif. Hwy 36, 2.2 mi west of the Trinity/Shasta Co. line 1159 Comment
  RSA20735  Cryptantha torreyana C. B. Wolf 1937-6-20 8940 Trinity North Coast Range, Van Duzen Road to Hettinshaw Valley, 9.5 miles above Eureka-Red Bluff Road 762 Comment
  RSA50018  Cryptogramma acrostichoides E. K. Balls 1949-7-1 13722 Trinity Canyon Creek Meadow, Canyon Creek, 8 miles above Dedrick 1372 Comment
  HSC1018  Cryptogramma stelleri D. E. Anderson 1961-10-8 1875 Trinity Near E Weaver Lake 1982 Comment
  CAS-BOT-BC85552  Cupressus macnabiana L. B. Kildale s.n. Trinity Oak Bottom on Weaverville - Redding Road Comment
  UC1553506  Cuscuta californica E. Dean 1988-8-2 159 Trinity ca 1 air mi wnw White Rock Forest Station (above Rd 28N10, se ridge of Pony Buck Peak); Pony Buck Peak 1500 Comment
  CAS-BOT-BC177812  Cynoglossum grande Eugene Carter 1975-8-19 1076 Trinity North Fork Trinity River. Limestone Ridge, Morrison Gulch Trail. Rattlesnake Lake Camp 1691 Comment
  HSC22550  Cynoglossum grande D. E. Anderson, J. P. Smith 1970-4-23 5047 Trinity Along road to Hobo Gulch Campground, 6 mi. N of its junction with Hwy. 299 Comment
  CAS-BOT-BC94391  Cynoglossum occidentale R. C. Wenk 2005-6-18 174 Trinity Coffee Creek, Big Flat Meadow, in vicinity of cabin at N end of meadow 1524 Comment
  HSC34440  Cynoglossum occidentale J. P. Smith, J. O. Sawyer 1973-7-4 7017 Trinity Hillside S and W of S Dubakella Mtn. 1524 Comment
  HSC48956  Cynoglossum occidentale M. A. Baker 1979-5-13 705 Trinity Hobo Gulch Campground Comment
  UC1103638  Cyperus bipartitus Joseph P. Tracy 1926-7-4 7710 Trinity flat on e. side S. Fork Trinity R. opposite Limestairs; Northern Coast Ranges, S. Fork Trinity R. 304 Comment
  HSC7214  Cyperus eragrostis D. E. Anderson 1963-9-21 2818 Trinity Hennessey Creek Rd., 5 mi. S of Burnt Ranch Comment
  CAS-BOT-BC227807  Cyperus eragrostis Eugene Carter 1974-6-29 849 .1 Trinity Salmon-Trinity Alps and vicinity. Along the North Fork Road 1/2 mile north of old Helena 457 Comment
  UCD138924  Cypripedium californicum Joseph M. DiTomaso 1975-7-11 123 Trinity on Swift Creek Trail 1/8 mile beyond junction with Granite Creek Trail. 1371 Comment
  HSC34577  Cypripedium fasciculatum Dryden 1975-5-17 197 Trinity Mt. Diablo Meridian, Middle Fork of Philpot Creek and Philpot campground. On Plummer Peak Rd. 825 Comment
  HSC65953  Cypripedium fasciculatum M. A. Baker 1980-5-23 1399 Trinity Near Tierney Canyon 975 Comment
  CAS-BOT-BC136487  Cypripedium montanum Anna A. Junkans 1915-5-20 s.n. Trinity Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC70725  Cystopteris fragilis G. R. Kleeberger 1880-5-30 s.n. Trinity Mt. Bally 1219 Comment
  HSC1029  Cystopteris fragilis John L. Heywood, D. H. Norris 1968-3-30 1770 Trinity Along Trinity River, Hwy. 299, 3.5 mi. E of Humboldt Co. line Comment
  HSC98482  Cystopteris fragilis Dana York 2009-7-19 2983 Trinity 82 km. W-NW of Redding, Shasta-Trinity National Forest on Thurston Peaks (Limestone Ridge.), spur ridge to the summit of Thurston Peaks 2225 Comment
  JEPS89821  Cystopteris fragilis Dean W. Taylor 1992-6-11 12724 Trinity ca. 10 air miles s. Burnt Ranch (along Hwy. 299, Castle Rock, at base of 400-ft cliffs); Klamath Mt. Region, Trinity R. drainage, Castle Rock 1402 Comment
  UC922420  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1949-7-5 5777 Trinity saddle between N Yolla Bolly and Black Rock Mts; Yolla Bolly Middle Eel Primitive Area 2103 Comment
  HSC45882  Cystopteris fragilis J. P. Smith, J. O. Sawyer 1973-4-15 6110 Trinity 1.2 mi. E of Bridge Camp on Stewart Fork 762 Comment
  HSC87028  Cystopteris fragilis Brent Helm, Curtis Miller, Mark Steiger 1988-3-12 28 Trinity 12.4 mi. up S fork Rd. of Trinity River from Hwy. 299 to S. Fork Trail head, 3 mi. from trail head by Hells Half Acre Creek 457 Comment
  HSC92372  Danthonia californica Jennifer Whipple 1977-8-3 2116 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  HSC102909  Danthonia unispicata J. P. Smith 2014-5-29 13863 Trinity North of Eagle Creek Campground 854 Comment
  HSC47552  Danthonia unispicata J. P. Smith 1977-5-21 9190 Trinity Junction of Hwy. 3 and Forest Service Rd. 42N17, Rd. to Mount Eddy. Comment
  SEINET3926976  Danthonia unispicata J. P. Smith, J. O. Sawyer 1973-7-3 6949 Trinity Hill south and west of South Dubakella Mountain.; 0 1585 Comment
  CAS-BOT-BC76250  Darlingtonia californica Ella Dales Cantelow 1936-5-21 1408 Trinity Scott Ranch Picnic Grounds. Comment
  CAS-BOT-BC76251  Darlingtonia californica H. M. Hall 1909-7-25 8661 Trinity Bullard Basin, near Dorleska, in the Salmon Mountains. From Coffee Creek to Dorleska and Union Creek. 1900 Comment
  HSC27085  Darlingtonia californica Thomas W. Nelson 1973-7-14 1073 Trinity Near the head of trail to Deadfall Lake. Comment
  HSC35888  Darlingtonia californica J. P. Smith, J. O. Sawyer 1973-7-27 7175 Trinity Trail to Deadfall Lakes. 1951 Comment
  HSC91362  Darlingtonia californica Jennifer Whipple 1976-6-22 1090 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  SEINET10480122  Darlingtonia californica Mary Susan Taylor 1980-7-2 Taylor 3036 Trinity T36N R8W ne sec 16, Trinity Dam quad. Shasta-Trinity Natl Forest; in Montane Meadow between Rd 36N24 and tiny lake, on Cement Creek Drainage, 0.3 mi S of Lake Eleanor turnoff, ca. 14 mi W of Trinity Center. 1402 Comment
  RSA2939  Darmera peltata Carl B. Wolf 1931-8-31 2378 Trinity S Fork of Trinity River. 1 mile above its mouth. 244 Comment
  RSA468322  Darmera peltata Bonnie C. Templeton 1957-6-22 s.n. Trinity Coffee Creek Canyon, Salmon Mts Comment
  SD73183  Darmera peltata Darley F. Howe 1969-6-5 4631 Trinity 24 miles west of Shasta-Trinity County line on #36 792 Comment
  SDSU9559  Darmera peltata D. F. Howe 1969-5-6 4632 Trinity 24 miles W of Shasta-Trinity County line on #36. 792 Comment
  CHSC79992  Datisca glomerata L. P. Janeway; B. Castro 1996-7-7 5038 Trinity Klamath Ranges. 1.7 mi north--northwest of Trinity Mountain; along Van Ness Creek Road 2.4 mi northwest of County-Line Road. At crossing of west-draining ephemeral tributary of Van Ness Creek (water still present). 870 Comment
  HSC56644  Datisca glomerata G. L. Clifton, Butler 1979-7-17 8091 Trinity Near Clover Gulch, close to the town of Mad River 893 Comment
  JEPS23621  Delphinium decorum subsp. tracyi W. L. Jepson 1934-5-6 16663 Trinity South Fork Mt. Comment
  UC1051520  Delphinium decorum subsp. tracyi Helen K. Sharsmith 1953-6-27 4376 Trinity on ridge two mi below Pickett Peak (leading s from South Fork Mountain); Trinity National Forest, Horse Ridge 1676 Comment
  CAS-BOT-BC8020  Delphinium nudicaule T. Worley; M. Mill; F. Rosenthal 1985-4-19 029 Trinity Shasta Trinity Nat'l Forest, Steelbridge Campground 536 Comment
  HSC24066  Delphinium nudicaule J. O. Sawyer 1970-4-18 2478 Trinity Slopes above New River at its junction with the Trinity River. 244 Comment
  HSC35092  Delphinium nudicaule Robert M. Specht 1975-5-16 186 Trinity Trails above the Trinity River at Grays Falls Campground 310 Comment
  UCR37953  Delphinium nudicaule Mike Malamus, Brian Kearney, P. Williams 1984-5-12 101 Trinity Philpot [Cold Springs] Campground 979 Comment
  RSA20746  Delphinium nudicaule Carl B. Wolf 1937-6-20 8951 Trinity N coast Range, Hettinshaw Valley, Zenia, 1 mile S of Panther Creek. 1067 Comment
  UCD95891  Delphinium nudicaule S. P. Lynch 1974-5-25 615 Trinity East of Peanut on dirt rd. to Wildwood, approx. 1/2 mi. E of Salt Creek Campground. Comment
  HSC27520  Delphinium nuttallianum J. P. Smith 1973-4-7 5978 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  HSC37214  Delphinium nuttallianum Lon Hall 1975-5-16 339 Trinity Trails above Trinity River at Grays Falls Campground 310 Comment
  HSC42435  Delphinium nuttallianum Barbara Kelly 1977-5-21 445 Trinity Eagle Creek Campground. 851 Comment
  HSC46762  Delphinium nuttallianum William J. Ferlatte 1969-6-26 1188 Trinity Packers Peak 1890 Comment
  HSC676  Delphinium nuttallianum William J. Ferlatte 1967-7-6 617 Trinity Dorleska Mine 1982 Comment
  UCD96093  Delphinium nuttallianum Joseph M. DiTomaso 1976-7-6 565 Trinity Trinity Alps. Mumford Meadows on Swift Creek Trail. 1645 Comment
  CAS-BOT-BC116543  Delphinium nuttallianum Eugene Carter 1972-6-28 493 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity (18 mi. NW of Weaverville) Dry meadow above Whites Creek Lake. 1950 Comment
  HSC86335  Delphinium nuttallianum J. O. Sawyer, J. Rivera, J. Stephensen 1985-5-3 4314 Trinity Virgin Creek Guard Stn. site at confluence of Virgin and Slide Creeks. 610 Comment
  RSA211141  Delphinium nuttallianum William J. Ferlatte 1967-8-6 805 Trinity Upper end of Canyon Creek above the lakes 1829 Comment
  HSC82506  Deschampsia danthonioides Thomas W. Nelson, Jane P. Nelson 1979-6-14 4757 Trinity Along Trinity River and old Hwy. 3, N of Eagle Creek Campground 823 Comment
  HSC9596  Deschampsia danthonioides R. Spellenberg 1965-6-11 1086 Trinity Behind Moss Lumber Co., Burnt Ranch. Comment
  POM201065  Deschampsia danthonioides Copeland 1903-9-7 3793 Trinity Mt. Eddy Comment
  HSC102664  Deschampsia danthonioides J. P. Smith 2009-6-1 12623 Trinity State Route 3 at Scott Mtn. Creek. Comment
  HSC46751  Deschampsia danthonioides William J. Ferlatte 1974-7-26 1593 Trinity Big Flat at head of Coffee Creek, NW of Mountain Meadow Ranch buildings. 1524 Comment
  HSC40334  Deschampsia elongata Thomas W. Nelson, Jane P. Nelson 1976-6-22 2803 Trinity Above Senteney Rock 1524 Comment
  HSC74603  Deschampsia elongata M. A. Baker 1980-7-10 2766 Trinity Near Senteney Rock 1554 Comment
  HSC92273  Deschampsia elongata Jennifer Whipple 1976-7-12 1434 Trinity N of Lower Deadfall and Deadfall Lakes, along the creek draining the upper Deadfall Lakes. 2165 Comment
  RSA126944  Deschampsia elongata H. S. Yates 1936-6-22 5836 Trinity 2.5 miles N.N.W. of Shoemaker Bally. 1159 Comment
  RSA66437  Deschampsia elongata P. A. Munz 1951-7-17 16611 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1433 Comment
  CAS-BOT-BC42973  Descurainia incisa subsp. incisa P. A. Munz 1951-7-22 16826 Trinity North Yolla Bolly Mountains. Patty John Basin. 1981 Comment
  HSC90902  Descurainia incisa subsp. incisa Jennifer Whipple 1976-6-25 1142 Trinity Mt. Eddy, S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  HSC54360  Dicentra formosa G. L. Clifton 1979-7-16 7879 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  UC1245366  Dicentra formosa Harold E. Parks and Joseph P. Tracy 1947-6-27 11639 Trinity near South Fork Mountain summit; South Fork Mountain 1676 Comment
  CAS-BOT-BC402495  Dicentra formosa subsp. formosa G. R. Kleeberger 1880-7-2 s.n. Trinity Weaverville 1828 Comment
  CAS-BOT-BC47498  Dicentra formosa subsp. oregana Mike Mayer; Steve Meredith; Dave Bjornbak 1985-5-11 76 Trinity Basin Gulch Campground 792 Comment
  HSC40511  Dicentra uniflora J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-25 2592 Trinity Along trail to Granite Lake 1585 Comment
  CAS-BOT-BC483619  Dichelostemma capitatum Doris Kildale Gillespie 1931-6-7 10607 Trinity South Fork Mt., Blake Lookout 1726 Comment
  HSC24111  Dichelostemma capitatum subsp. capitatum J. O. Sawyer 1970-4-18 2518 Trinity Slopes above New River at its junction with the Trinity River. 244 Comment
  UC1584294  Dichelostemma ida-maia B. Penkala 1990-5-31 104 Trinity 4 mi e Trinity Lake (vicinity of North Fork Papoose Creek, along FS road branching s from Rd. 34N30); North Fork Papoose Creek, Weaverville Ranger District 1100 Comment
  CAS-BOT-BC501062  Dichelostemma ida-maia Eugene Carter 1971-7-3 271 Trinity North Fork Trail, 1/2 mile north of Keystone, North Fork Trinity River, Hobo Gulch Camp and vicinity, 18 miles NW of Weaverville 1005 Comment
  HSC24199  Dichelostemma multiflorum D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5239 Trinity Spur road to logging landings, 0.8 mi. from jct. with FS Rd. 1S07 Comment
  HSC24213  Dichelostemma multiflorum D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5231 Trinity 5.7 mi. S of the Mad River Ranger Station, on Hwy. 36, along the road to Zenia. Comment
  HSC71929  Dichelostemma multiflorum Thomas W. Nelson, Jane P. Nelson 1980-6-22 5757 Trinity Shasta-Trinity National Forest, along FS Rd. 29N28, 7 mi. S of junction with Hwy. 36, 1 mi. N of Goat Camp 1372 Comment
  HSC82306  Dichelostemma multiflorum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4834 Trinity Mouth of Bear Creek 915 Comment
  RSA183026  Dichelostemma multiflorum Lee W. Lenz 1966-5-24 24653 Trinity Cold Creek off road 36 out of Peanut. Comment
  RSA49842  Dichelostemma multiflorum E. K. Balls 1949-7-1 13757 Trinity Trail from Dedrick to Lakes, Canyon Creek. 1220 Comment
  CHSC9243  Diplacus layneae G. Strausbaugh 1970-6-21 126 Trinity East side dirt road lft. above on dry cutbank on Buckhorn Bally ca. 2.4 mi. s from U.S. Hwy. 299W 19.5 mi. East of Douglas City. 1158 Comment
  CAS-BOT-BC153463  Diplacus layneae Eugene Carter 1971-6-20 241 Trinity Along the North Fork Trail, upper end of Rooster Flat, 3/4 mi. north of China Creek. North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) 944 Comment
  CHSC65407  Diplacus nanus Vernon Oswald 1986-6-9 2101 Trinity Hwy 36 between Hayfork Creek and Hwy 3, 36.2 mi e of the Humboldt-Trinity Co. line. 1264 Comment
  UC1198618  Dodecatheon alpinum Joseph P. Tracy 1935-7-24 14213 Trinity e Ranger Station (Trinity Summit); , e of Ranger Station 1889 Comment
  CHSC32937  Dodecatheon hendersonii Teri Bartkowski; Shane Feusier, Ruth Takaki, Carol Zimmer 1980-5-3 50 Trinity Philpot Ck. campground. 807 Comment
  HSC17855  Dodecatheon hendersonii John L. Heywood, D. H. Norris 1968-3-30 1813 Trinity Hwy. 299, ca. 51 mi. E of Humboldt County Line Comment
  UC562753  Dodecatheon hendersonii Joseph P. Tracy 1933-7-16 12759 Trinity South Fork Mountain Northern Coast Ranges, South Fork Mountain (near head of 8-mile ridge) 1645 Comment
  UC640460  Dodecatheon hendersonii Elmer I. Applegate 1932-4-14 7049 Trinity 2 mi w Weaverville; w of Weaverville Comment
  CDA39681  Dodecatheon hendersonii Martin Oliver 2002-3-21 26 Trinity Gray Falls Campground. Comment
  HSC33252  Dodecatheon hendersonii W. George 1975-4-10 Trinity Poker Bar Rd. 1 1/2 mi. N of Hwy. 299, 5 mi E of Douglas City Comment
  HSC386  Dodecatheon jeffreyi William J. Ferlatte 1966-6-30 152 Trinity Canyon Creek Lakes 1646 Comment
  JEPS14689  Dodecatheon jeffreyi F. P. Cronemiller 1923-7-12 713 Trinity Frying Pan Mendocino National Forest, Frying Pan Comment
  UC933396  Dodecatheon jeffreyi Annie M. Alexander and Louise Kellogg 1948-8-6 5427 Trinity Canyon Creek (tributary of Trinity River) Trinity Mountains, Canyon Creek (tributary Trinity River) 1676 Comment
  HSC2374  Dodecatheon jeffreyi William J. Ferlatte 1966-6-30 152 Trinity Canyon Creek Lakes, above the upper lake 1738 Comment
  SD42512  Downingia cuspidata Carl B. Wolf 1937-6-20 8968 Trinity 5.8 miles north of Mendocino County line on Zenia-Covelo Road. 915 Comment
  CHSC507  Draba howellii V. Holt 1942-8-13 Trinity Deer Lake, Trinity Alps. 2438 Comment
  HSC30209  Draba howellii William J. Ferlatte 1968-6-9 1152 Trinity Packers Peak 2348 Comment
  HSC65027  Draba howellii D. L. Goforth 1979-6-1 158 Trinity Trinity Alps Wilderness Area, ridge between Black and Bear Basins 2180 Comment
  LA204302  Draba howellii C. L. Hitchcock; J. S. Martin 1939-7-11 5394 Trinity W wall of Canyon Creek, 11 mi. N of Dedrick, in Trinity Alps 2438 Comment
  UC722752  Draba howellii C. L. Hitchcock, J. S. Martin 1939-7-11 5394 Trinity 11 mi n Dedrick (Trinity Alps, w wall of Canyon Creek); n of Dedrick in Trinity Alps, w wall Canyon Creek 2438 Comment
  RSA167462  Draba verna Joseph P. Tracy 1950-4-20 18625 Trinity Above Kuntz. Van Duzen River, 4 miles SE of Low Gap. 793 Comment
  HSC14199  Draperia systyla R. Spellenberg 1963-6-16 159 Trinity Ironsides Lookout, Ironsides Mtn., Burnt Ranch Comment
  RSA49811  Draperia systyla E. K. Balls 1949-7-1 13769 Trinity Above Ripstein Camp, trail to lakes, Canyon Creek. 1067 Comment
  HSC60174  Drymocallis glandulosa J. P. Smith, J. O. Sawyer 1975-6-1 8196 Trinity 1/2 mi. NW of Wildwood 915 Comment
  JEPS111033  Drymocallis glandulosa var. glandulosa Sue Pappalardo 1997-5-13 917 Trinity Weaverville Ranger District; Ridgetop above Papoose Arm of Trinity Lake. Found along turnout of FS road 34N30 between junction with FS roads 34N30 and Papoose Creek. 875 Comment
  CAS-BOT-BC159468  Drymocallis glandulosa var. glandulosa Eugene Carter 1972-6-10 420 Trinity Opening 1/4 mile up Backbone Creek Trail, North Fork Trinity River, Hobo Gulch Camp and vinicty (18 mi. NW of Weaverville) 914 Comment
  JEPS44259  Drymocallis lactea var. austiniae W. L. Jepson 1897-7-24 132 p Trinity South Yollo Bolly; w Tehama County; [=modern Solomon Peak, see FB 1_107] Comment
  UC154517  Drymocallis lactea var. austiniae Mrs. M. H. Manning 1901-7-1 58 Trinity Trinity Summit Comment
  HSC56559  Drymocallis lactea var. lactea G. L. Clifton 1979-7-16 7814 Trinity Near Pickett Peak, close to the town of Mad River 1695 Comment
  UCD69127  Dryopteris arguta D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-14 s.n. Trinity Salyer-Hawkins Bar. Six Rivers National Forest. 220 Comment
  JEPS104855  Dulichium arundinaceum Dean W. Taylor 1996-7-7 15829 Trinity Trinity Alps; Lake Elanor (about 8 air miles west of Trinity Center); Shasta-Trinity National Forests 1524 Comment
  SEINET7583342 Image available Dulichium arundinaceum Edward G. Voss, Tracy F. Groesbeck 1969-9-9 13042 Trinity Lake Eleanor, 3 1/2 mi W of Trinity Center. 1524 Comment
  HSC27802  Dysphania botrys J. P. Smith 1973-9-29 7337 Trinity Bank of the Trinity River near Hawkins Bar. 213 Comment
  HSC42768  Eleocharis acicularis William J. Ferlatte, Alice Q. Howard 1970-8-9 1282 Trinity Trinity Alps, Boulder Creek Lakes, at edge of lower lake 1753 Comment
  UCD101219  Eleocharis parishii Daniel Sanchez-Mata; Tomas Santamaria 2004-8-10 s.n. Trinity Mount Eddy from Stewart Springs Road (Weed). Lower Deadfall Lake at the base of Mount Eddy. 2220 Comment
  HSC70122  Elymus Thomas W. Nelson, Jane Nelson 1978-6-23 4352 Trinity Along road to Hell to Find Lake. Comment
  UC1553568  Elymus X macounii E. Dean 1988-8-5 165 Trinity along Hwy 299 nw town of Del Loma (at turnabout for logging trucks ca 0.5 road mi e of turnoff to Lookout, along 5N18A); Ironside Mtn. 1524 Comment
  RSA50258  Elymus elymoides E. K. Balls 1949-7-4 13806 Trinity trail from Chloride Mine to Globe Mine, above Dedrick 1006 Comment
  RSA66413  Elymus elymoides P. A. Munz 1951-7-21 16770 Trinity Fisher Ridge; North Yolla Bolly Mts. 2195 Comment
  CHSC82689  Elymus elymoides subsp. elymoides L. P. Janeway 2001-7-8 7294 Trinity Klamath Ranges. 1.0 km east-northeast of top of Red Mountain; along Road 29N73 2.6 km west of '30' road (Wild Mad Road). 1590 Comment
  HSC32554  Elymus elymoides var. elymoides Thomas W. Nelson 1973-7-10 1048 Trinity Along Mule Ridge SE of Red Lassic Comment
  HSC34404  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1973-7-3 6985 Trinity Hill south and west of South Dubakella Mtn. 1585 Comment
  HSC36009  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1973-7-27 7194 Trinity Trail to Deadfall Lakes 1951 Comment
  HSC41368  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1975-7-23 8288 Trinity Across from the entrance to Philpot Campground. 884 Comment
  HSC41383  Elymus elymoides var. elymoides J. O. Sawyer 1971-7-7 2406 Trinity E of Weaver Bally 1738 Comment
  RSA244956  Elymus glaucus D. E. Anderson, Donald O. Santana, J. Lackey 1971-7-15 5264 Trinity along 1 [mile] SO 7, along Shanty Creek ca. 5 miles west of Ruth Dam. 1341 Comment
  UC552781  Elymus glaucus Joseph P. Tracy 1935-8-3 14498 Trinity Mary Blaine Meadow Mary Blaine Mt. 1950 Comment
  CAS-BOT-BC203740  Elymus glaucus subsp. glaucus Eugene Carter 1973-6-10 586 Trinity East Fork of - Allbert's Cabin, 3.8 miles north of SR299 Helena. North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) 487 Comment
  HSC58474  Elymus glaucus subsp. glaucus Walter Overton 1979-7-18 8189 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  RSA67343  Elymus glaucus subsp. jepsonii P. A. Munz 1951-7-18 16642 Trinity North slope of North Yolla Bolly Peak; North Yolla Bolly Mts. 1982 Comment
  UC1146610  Elymus glaucus subsp. jepsonii Freed W. Hoffman 1946-5-25 1715 Trinity Wilson Ranch North Coast Ranges (w of Junction City) Comment
Read comments Feb 16 2009
  HSC40397  Elymus trachycaulus subsp. trachycaulus Thomas W. Nelson, Jane P. Nelson 1976-7-26 3023 Trinity Trinity/Humboldt Co. line, along FS Rd. 1S07 W of Black Lassic 1616 Comment
  UCR16996  Epilobium angustifolium Eugene Cardiff 1966-7-23 s.n. Trinity North Coast Range, Salmon Mountains, Big Flat Camp 400 Comment
  CHSC30329  Epilobium brachycarpum M. S. Taylor; T. Nelson 1980-8-21 3283 Trinity Ridge, on s side of 29N59, ca. 0.5 mi e of the jct of 30N29, 29N59, and 29N58, 0.5 mi n of Swim Meadow. 1402 Comment
  JEPS31517  Epilobium brachycarpum Joseph P. Tracy 1935-8-3 14489 Trinity Mary Blaine Mt. 1950 Comment
  POM225510  Epilobium brachycarpum P. A. Munz 1936-8-12 14375 Trinity Summit half way between Hay Fork and Weaverville Comment
  CAS-BOT-BC171819  Epilobium canum subsp. latifolium Eugene Carter 1974-8-31 887 Trinity East Fork of North Fork Trinity River, near M.P. 5 Comment
  JEPS98793  Epilobium canum subsp. latifolium Sue Pappalardo 1996-9-26 903 A Trinity W of Forest Glen (at bend in river about 1/8 mi downstream from Forest Glen Campground; South Fork of Trinity River); Shasta-Trinity National Forest, Hayfork Ranger District 700 Comment
  RSA50249  Epilobium canum subsp. latifolium E. K. Balls 1949-7-5 13819 Trinity 8 miles below Dedrick towards Junction City 610 Comment
  HSC36789  Epilobium ciliatum Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-7-20 2053 Trinity Along Rd. 2S08 to Pine Mtn. Comment
  HSC36020  Epilobium ciliatum subsp. ciliatum J. P. Smith, J. O. Sawyer 1973-6-28 7206 Trinity Scott Mtn. 1585 Comment
  HSC54168  Epilobium ciliatum subsp. ciliatum Gilbert Muth 1979-7-18 8395 Trinity Near Deep Hollow Creek, close to the town of Mad River 1067 Comment
  UC314609  Epilobium ciliatum subsp. ciliatum Joseph P. Tracy 1926-9-6 7785 Trinity Sharber Slough Northern Coast Ranges, Trinity River (3 mi e of mouth of South Fork) 182 Comment
  CAS-BOT-BC438789  Epilobium ciliatum subsp. glandulosum Dana York; Heath Bartosh 2014-7-26 3221 Trinity Mount Eddy. Shasta-Trinity National Forest, N-NE of the lower Deadfall Lakes, spring and meadow along the Pacific Crest Trail. 2190 Comment
  HSC56641  Epilobium densiflorum G. L. Clifton, Butler 1979-7-17 8079 Trinity Near Clover Gulch, close to the town of Mad River 893 Comment
  HSC40434  Epilobium foliosum J. O. Sawyer 1973-6-6 2520 Trinity Along trail to Big Bear Lake 1433 Comment
  RSA49245A  Epilobium foliosum P. A. Munz 1949-5-16 13245 Trinity 8 Miles below Dedrick 671 Comment
  HSC78751  Epilobium glaberrimum John S. Palmer 1973-8-3 146 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  JEPS31494  Epilobium hallianum Joseph P. Tracy 1935-8-5 14551 Trinity at head of White's Creek Devil's Canyon Mts. 2072 Comment
  HSC40797  Epilobium hallianum Thomas W. Nelson 1976-7-9 2978 Trinity Foot of Red Lassic 1555 Comment
  CHSC61660  Epilobium siskiyouense Vernon H. Oswald; Lawrence P. Janeway 1993-8-29 5882 Trinity Meadowy cirque above and E of Upper Deadfall Lakes, below (W of) the summit of Mt. Eddy, ca. 8 mi (air) SW of Weed. Along the trail above the meadow. 2426 Comment
  RSA66433  Equisetum hyemale var. affine P. A. Munz 1951-7-17 16607 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  HSC73893  Equisetum telmateia subsp. braunii M. A. Baker 1980-5-25 1624 Trinity Near Browns Canyon. 823 Comment
  UC2128721  Eragrostis cilianensis Joseph P. Tracy 1919-9-15 5215 Trinity Hawkins Bar; Northern Coast Ranges, Hawkins Bar 243 Comment
  HSC9779  Eragrostis mexicana subsp. virescens R. Spellenberg 1965-8-13 1227 Trinity About 2 mi. E of Burnt Ranch 488 Comment
  HSC81645  Eremogone congesta Thomas W. Nelson, Jane P. Nelson 1980-7-17 6126 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  JEPS123091  Eremogone congesta var. suffrutescens D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 070 Trinity Scorpion Lake Comment
  CAS-BOT-BC33463  Eriastrum tracyi Joseph Prince Tracy 1923-6-30 6463 Trinity Hay Fork Valley 792 Comment
  CAS-BOT-BC291265  Ericameria bloomeri G. R. Kleeberger 1879-9-27 s.n. Trinity Unspecified 1524 Comment
  HSC40141  Ericameria nauseosa Thomas W. Nelson, Jane P. Nelson 1976-8-4 3163 Trinity Lower east slope of Black Lassic 1616 Comment
  UC1199411  Ericameria nauseosa var. speciosa Joseph P. Tracy 1935-8-5 14572 Trinity head of White's Creek Devil's Canyon Mts., head of White's Creek 2072 Comment
  CAS-BOT-BC299492  Ericameria ophitidis M. S. Taylor; T. W. Nelson 1980-8-20 3274 Trinity On e side of Hwy. 3 ca. 0.5 mi s of its jct with 13 Dp Road (347) ca. 1.5 mi. s of Peanut 792 Comment
  CAS-BOT-BC299496  Ericameria ophitidis Thomas W. Nelson; Jane P. Nelson 1980-8-21 6275 Trinity Along Panther Camp Trail 200 yards north of junction with road 29N73 1645 Comment
  CHSC31373  Ericameria ophitidis T. Spira; R. Thode 1978-7-25 Trinity Shasta-Trinity NF. Muldoon's (Murdoon's) gulch and ridge above it on Hwy 36. 975 Comment
  HSC72237  Ericameria ophitidis Thomas W. Nelson, Jane P. Nelson 1980-8-21 6260 Trinity Along FS Rd. 29N62, 0.4 mi. from junction with FS Rd. 29N58 1372 Comment
  HSC72268  Ericameria ophitidis Thomas W. Nelson, Jane P. Nelson 1980-8-21 6267 Trinity Along road 29N73 1 mi. E of junction with road 30N29 1433 Comment
  HSC83357  Ericameria parryi var. latior D. W. Taylor, Kathleen A. Teare 1979-9-9 7679 Trinity Twin Sisters Mtn. 1655 Comment
  CAS-BOT-BC293492  Erigeron aliceae Eugene Carter 1975-8-19 1071 .01 Trinity North Fork Trinity River. Limestone Ridge, Morrison Gulch Trail. Ratlesnake Lake Camp 1691 Comment
  UC1299246  Erigeron bloomeri var. bloomeri Freed W. Hoffman 1950-7-6 3527 Trinity road 2.1 mi n Red Mt. Guard Station; North Coast Ranges, Red Mt. Comment
  HSC64964  Erigeron compositus D. L. Goforth 1979-6-1 155 Trinity Trinity Alps Wilderness Area, ridge between Black and Bear Basins 2180 Comment
Read comments Mar 14 2014
  CAS-BOT-BC300381  Erigeron eatonii var. plantagineus H. M. Hall 1909-7-22 8615 Trinity Salmon Mountains. Union Lake Comment
  CAS-BOT-BC296078  Erigeron foliosus var. confinis Doris Kildale 1931-5-17 10834 Trinity Hawkins Bar 182 Comment
  CAS-BOT-BC300628  Erigeron foliosus var. hartwegii D. H. Norris 1970-5-9 12148 Trinity Along Trinity River at Burnt Ranch Bridge Comment
  CAS-BOT-BC295404  Erigeron inornatus Joseph P. Tracy 1937-7-25 15554 Trinity Trinity Summit. On Ridge 2 miles east of Grove's Prairie 1524 Comment
  CAS-BOT-BC295405  Erigeron inornatus Mrs. E. C. Van Dyke 1931-6-30 s.n. Trinity Carville [Carrville] Comment
  CAS-BOT-BC295414  Erigeron inornatus H. M. Hall 1909-7-1 8630 Trinity Salmon Mountains. Coffee Creek 1310 Comment
  CAS-BOT-BC295415  Erigeron inornatus L. R. Abrams 1916-7-22 6173 Trinity Summit between Mad & Trinity rivers - Eureka-Red Bluff Road Comment
  CHSC30958  Erigeron inornatus var. inornatus B. Williams 1979-8-16 310 Trinity Trail from Bull Lake to Robbers Meadow, Shasta-Trinity NF/Mt. Shasta RD. 2072 Comment
  HSC39608  Erigeron inornatus var. inornatus Thomas W. Nelson, Jane P. Nelson 1976-8-3 3088 Trinity Along Hwy. 299 just W of Buckhorn Summit 976 Comment
  RSA50270  Erigeron inornatus var. inornatus E. K. Balls 1949-7-4 13793 Trinity Trail from Dedrick to Chloride Mine 762 Comment
  HSC281  Erigeron lassenianus William J. Ferlatte 1967-8-18 992 Trinity Head of Union Creek 1982 Comment
  UCD131869  Erigeron lassenianus Joseph M. DiTomaso 1976-7-6 561 Trinity around half way between Mumford Meadows and Fosters Cabin on Swift Creek Trail. 1645 Comment
  POM195359  Erigeron lassenianus var. lassenianus H. M. Hall 1909-07 8615 Trinity Union Lake. Comment
  UC2062604  Erigeron petrophilus var. petrophilus Belinda Lo 2017-6-22 333 Trinity TRINITY COUNTY: Shasta-Trinity National Forest, Bone Gulch, northwest of Blue Point Ridge. Comment
  CHSC322  Erigeron petrophilus var. viscidulus V. Holt 1942-8-1 Trinity Trinity Alps. 2286 Comment
  HSC65902  Erigeron petrophilus var. viscidulus M. A. Baker 1980-7-1 2572 Trinity Near Hayden Roughs 212 Comment
  HSC75544  Erigeron petrophilus var. viscidulus J. O. Sawyer 1980-8-8 4018 Trinity Slopes behind Luella Lake 2226 Comment
  HSC835  Erigeron petrophilus var. viscidulus William J. Ferlatte 1967-8-7 843 Trinity Canyon Creek Lakes. 1646 Comment
  HSC93852  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-8-19 1695 Trinity Deadfall Drainage near Upper Deadfall Lakes 2378 Comment
  UC468826  Erigeron philadelphicus var. philadelphicus Harry S. Yates 1914-1-1 420 Trinity Andelines Rush Creek, Andelines 609 Comment
  HSC73826  Eriogonum compositum Gail Newton 1980-7-10 1274 Trinity Near Senteney Rock 1463 Comment
  HSC63021  Eriogonum compositum M. A. Baker 1979-6-22 881 Trinity Near summit of Horsehead Mtn. Comment
  CAS-BOT-BC250079  Eriogonum compositum var. compositum P. A. Munz 1951-7-18 16630 Trinity North slope of North Yolla Bolly Pk., North Yolla Bolly Mts., line of Tehama-Trinity County 1981 Comment
  HSC17409  Eriogonum compositum var. compositum J. F. Knezevich 1967-6-1 172 Trinity W of Junction City on Hwy. 299 Comment
  HSC46888  Eriogonum congdonii William J. Ferlatte 1974-8-16 1661 Trinity Deer Creek Pass above Siligo Meadows 2285 Comment
Read comments Jun 11 2012
  SEINET5329000  Eriogonum congdonii J. L. Reveal, C. G. Reveal 1974-8-17 3787 Trinity Along California Highway 3, 0.9 mile south of Scott Mountain Pass, 1585 Comment
  UC672917  Eriogonum elatum Joseph P. Tracy 1935-8-3 14454 Trinity Mary Blaine Mt. 1950 Comment
  CDA22587  Eriogonum fasciculatum subsp. foliolosum T. C. Fuller 1962-8-6 9346 Trinity Highway 299 to Junction City, 3.5 miles west of Weaverville. 0 Comment
  HSC42983  Eriogonum libertini J. P. Smith, J. O. Sawyer 1975-6-22 8245 Trinity Trinity National Forest Rd. 30N38 from Hwy. 36 to Cold Springs Campground. 762 Comment
  HSC70443  Eriogonum libertini Thomas W. Nelson, J. O. Sawyer 1978-6-9 4116 Trinity Six Rivers National Forest; east side of Red Mountain 1250 Comment
  JEPS94462  Eriogonum libertini Vernon Oswald and Lowell Ahart 1997-7-17 8743 Trinity 5.6 mi s of Highway 36 (Junction of Forest Route 29 and 29N58 to Forest Glen); Junction of Forest Route 29 and 29N58 1493 Comment
  SEINET10479509  Eriogonum libertini Mary Susan Taylor 1980-8-21 Taylor 3281 Trinity T29N R12W se sec 16, Dubakella quad. Shasta-Trinity Natl Forest, open serpen tine ridge on S side of 29N59, ca. 0.5 mi E of the jct of 30N29, 29N59 and 29N58, 0.5 mi N of Swim Meadow. With T. Nelson. 1402 Comment
  SEINET10479515  Eriogonum libertini Mary Susan Taylor 1980-6-17 Taylor 2912 Trinity T29N R11W se sec 26 extending into ne sec 35. Dubakella Mt quad. Shasta- Trinity Natl Forest; at jct of Rd 29N38 and 29N43, on ridgetop, ca. 3 mi due S of Wildwood. 1383 Comment
  CAS-BOT-BC259374  Eriogonum lobbii John Thomas Howell 1937-7-25 13506 Trinity Stuarts Fork of Trinity River 2225 Comment
  CAS-BOT-BC259375  Eriogonum lobbii Joseph P. Tracy 1935-8-5 14561 Trinity Devil's Canyon Mts., at head of White's Creek 2133 Comment
  HSC71048  Eriogonum luteolum Thomas W. Nelson, Jane P. Nelson 1978-6-21 4250 Trinity At Philpot Creek Campground 762 Comment
  CAS-BOT-BC263684  Eriogonum luteolum var. luteolum John Thomas Howell 1955-7-17 30687 Trinity Weaverville 609 Comment
  CAS-BOT-BC263685  Eriogonum luteolum var. luteolum John Thomas Howell 1955-7-17 30686 Trinity Weaverville 609 Comment
  UC1735826  Eriogonum luteolum var. luteolum Dean W. Taylor 1992-6-12 12745 Trinity South Dubakella Mountain, E facing slope 0.3 mile North of the summit 1767 Comment
  HSC43077  Eriogonum luteolum var. luteolum Thomas W. Nelson, Jane P. Nelson 1977-9-4 3740 Trinity Along USFS rd. 29N30 at Texas Chow Creek Comment
  UCD100384  Eriogonum marifolium Joseph M. DiTomaso 1975-7-1 86 Trinity at outlet to Elmerald Lake. 1676 Comment
  CAS-BOT-BC264828  Eriogonum nudum var. nudum P. A. Munz 1951-7-17 16573 Trinity Grasshopper Public Camp, 2.5 mi. NW of Stuart Gap, North Yolla Bolly Mts. 1371 Comment
  CAS-BOT-BC264834  Eriogonum nudum var. nudum John Thomas Howell 1937-7-25 13491 Trinity Stuarts Fork of Trinity River 2225 Comment
  CAS-BOT-BC264835  Eriogonum nudum var. nudum John Thomas Howell 1937-7-21 13226 Trinity Big Flat Comment
  CHSC66340  Eriogonum nudum var. nudum V. H. Oswald; Lowell Ahart, Robin Ondricek-Fallscheer 1996-7-1 7921 Trinity Deer Lick Knob Rd. (Forest Route 1) 7.1 mi (odometer) N of Hwy. 36 (via Harrison Gulch Rd.), NW of Platina. 1365 Comment
  RSA78402  Eriogonum nudum var. nudum P. A. Munz 1952-6-29 17837 Trinity 0.25 miles S of Hobo Gulch Public Camp, North Fork of Trinity River, north of Helena. 945 Comment
  CAS-BOT-BC269750  Eriogonum nudum var. oblongifolium Doris Kildale 1931-5-30 10779 Trinity Weaverville Comment
  HSC41149  Eriogonum nudum var. pubiflorum Thomas W. Nelson, Jane Nelson 1976-8-3 3088 Trinity W of Buckhorn Summit, along Hwy. 299 979 Comment
  HSC17309  Eriogonum nudum var. pubiflorum J. Wendell Howe 1934-7-12 1294 Trinity Alder Point, Tibiriagua Comment
  RSA106757  Eriogonum nudum var. pubiflorum L. S. Rose 1955-7-16 55116 Trinity 2 miles north of Douglas City. 549 Comment
  CAS-BOT-BC253073  Eriogonum roseum Carl B. Wolf 1937-9-14 9345 Trinity Inner North Coast Range, W. Weaver Creek, 2 mi. W of Weaverville 762 Comment
  CAS-BOT-BC268583  Eriogonum siskiyouense James L. Reveal; Caroline G. Reveal 1974-8-17 3789 Trinity Along the southern and southwestern ridge of Scott Mountain 2081 Comment
  JEPS87808  Eriogonum siskiyouense Vernon H. Oswald and Lowell Ahart 1994-8-1 6441 Trinity Forest Rd 17 at upper trailhead to Deadfall Lakes (ca 2.5 air mi wnw of Mt. Eddy, w side of road) 2011 Comment
  UCD101198  Eriogonum siskiyouense James L. Reveal; Caroline G. Reveal 1974-8-17 3789 Trinity along the southern and southwestern ridge of Scott Mountain. 2042 Comment
  CHSC118630  Eriogonum spergulinum var. reddingianum Julie Kierstead Nelson; Marie Buell 2015-7-16 2015 -087 Trinity Yolla Bolly Wilderness very near Trinity/Tehama County line; saddle south of North Yolla Bolly; UTM NAD 1983 Zone 10, 502269m E, 4449305m N. 2313 Comment
  CAS-BOT-BC263403  Eriogonum strictum var. proliferum G. L. Stebbins 1972-8-19 9016 Trinity West side Little Red Mountain, north of Yollo Bolly Mts. 1295 Comment
  UC1299706  Eriogonum strictum var. proliferum Freed W. Hoffman 1949-7-14 3057 Trinity Blue Ridge North Coast Ranges, Mount Lassic Group, Blue Ridge 1524 Comment
  CAS-BOT-BC263448  Eriogonum ternatum Thomas W. Nelson; Jane P. Nelson 1980-6-19 5627 Trinity Along State Route 3 0.3-0.5 miles south of Salt Creek Bridge, Shasta-Trinity National Forest 762 Comment
  JEPS111034  Eriogonum umbellatum Sue Pappalardo 1995-8-18 791 Trinity Weaverville Ranger District; Approx. 5 miles northwest of Mule Creek Forest Service facility. Trinity Alps Wilderness. Found along side of Long Canyon trail (9W14). 1900 Comment
  HSC42987  Eriogonum umbellatum var. argus J. P. Smith, Steve Selva 1970-7-28 4526 Trinity Twin Lakes. 1677 Comment
  RSA60641  Eriogonum umbellatum var. argus Dorothy Parker 1948-8-19 223 Trinity Dry rocky soil, summit of Scott Mountain. 1583 Comment
  UC672896  Eriogonum umbellatum var. argus Joseph P. Tracy 1935-8-7 14647 Trinity at head of White's Creek Devil's Canyon Mts., White's Creek 2072 Comment
  JEPS102963  Eriogonum umbellatum var. humistratum L. P. Janeway 2001-7-8 7300 Trinity Klamath Ranges. On ridgetop 1.8 km north of Red Mountain 1650 Comment
  SEINET3025886 Image available Eriogonum umbellatum var. humistratum J. L. Reveal, C. G. Reveal 1974-8-17 3794 Trinity Along the western ridge of the summit of Scott Mountain. 2080 Comment
  HSC44744  Eriogonum umbellatum var. polyanthum Maralyn O'Meara 1971-10-17 23 Trinity Canyon Creek Comment
  CAS-BOT-BC265206  Eriogonum umbellatum var. speciosum Doris K. Kildale 1928-8-20 6619 Trinity Hancock Lookout on trail to Marble Mountain 2151 Comment
  CAS-BOT-BC262203  Eriogonum ursinum Gordon H. True 1937-7-3 756 Trinity Trinity Ridge Road, Trinity Mt. Comment
  CDA22698  Eriogonum vimineum T. C. Fuller 1962-8-6 9336 Trinity Trinity Dam Road to Douglas City - Redding Highway (299), 1.3 miles south of Lewiston. 0 Comment
  HSC54445  Eriogonum vimineum G. L. Clifton 1979-7-19 8795 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  HSC278  Eriophorum crinigerum William J. Ferlatte 1967-8-18 996 Trinity Head of Union Creek 1982 Comment
  HSC92428  Eriophorum crinigerum Jennifer Whipple 1977-8-3 2126 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  JEPS82290  Eriophorum crinigerum Roger Raiche 1983-8-13 30601 Trinity below upper Dead Fall Lake; Dead Fall Creek 2362 Comment
  JEPS87799  Eriophorum crinigerum Vernon H. Oswald and Lowell Ahart 1994-8-1 6424 Trinity ca. 5 mi. (air) s.w. Mt. Eddy (Forest Rd. 40N45, 4.3 mi. n. of Forest Rd. 26) 1889 Comment
  HSC39034  Eriophyllum lanatum J. P. Smith, J. O. Sawyer 1975-6-22 8250 Trinity FS 30N38 from SR 36 to Cold Springs Campground 762 Comment
  UC722248  Eriophyllum lanatum var. achilleoides C. L. Hitchcock and J. S. Martin 1939-7-11 5370 Trinity 10 n Dedrick (just below Canyon Creek Meadow); Salmon-Trinity Alps 1676 Comment
  RSA245003  Eriophyllum lanatum var. achilleoides William J. Ferlatte, B. D. Rogers 1966-6-7 2069 Trinity Near Hay Fork summit 1189 Comment
  UC642213  Eriophyllum lanatum var. achilleoides C. L. Hitchcock and J. S. Martin 1939-7-11 5370 Trinity 11 mi n Dedrick (e shore of Upper Canyon Creek Lodge); Salmon-Trinity Alps, Upper Canyon Creek Lodge 1981 Comment
  CAS-BOT-BC308201  Eriophyllum lanatum var. grandiflorum David D. Keck 1944-7-10 5473 Trinity Muldoon Gulch, 3 mi. W. of Wildwood 1036 Comment
  CAS-BOT-BC308211  Eriophyllum lanatum var. grandiflorum Alice Eastwood; John Thomas Howell 1937-6-25 4900 Trinity Trinity Alps Resort Comment
  CHSC333  Eriophyllum lanatum var. lanceolatum V. Holt 1942-8-4 Trinity Sapphire Lake, Trinity Alps. 1981 Comment
  RSA211477  Eriophyllum lanatum var. lanceolatum William J. Ferlatte 1966-7-1 177 Trinity Boulder Creek basin, tributary to Canyon Creek. 1707 Comment
  CAS-BOT-BC301739  Eriophyllum lanatum var. lanceolatum Mrs. E. C. Van Dyke 1931-6-23 s.n. Trinity Nash Mine, above Carville [Carrville] Comment
  HSC72532  Erodium cicutarium Gail Newton 1980-7-2 884 Trinity Near Swim Ridge 1341 Comment
  HSC8486  Erodium cicutarium John L. Heywood, D. H. Norris 1968-3-30 1753 Trinity Along Trinity River, Hwy. 299, 3.5 mi. E of Humboldt Co. line Comment
  UC1225764  Erysimum capitatum Joseph P. Tracy 1947-6-27 17734 Trinity open glades in forest near Cold Springs; South Fork Mountain 1645 Comment
  HSC34438  Erysimum capitatum var. capitatum J. P. Smith, J. O. Sawyer 1973-7-4 7016 Trinity Hillside S and W of S Dubakella Mtn. 1524 Comment
  HSC45607  Erysimum capitatum var. capitatum Diane L. Reed 1978-5-13 73 Trinity Philpot Campground 793 Comment
  HSC196  Erysimum perenne William J. Ferlatte 1967-8-6 811 Trinity Upper end of Canyon Creek above the lakes 1829 Comment
  HSC91045  Erysimum perenne Jennifer Whipple 1977-7-19 1964 Trinity Mt. Eddy, Deadfall Creek drainage in the vicinity of Deadfall Lakes. 2256 Comment
  CHSC65844  Erythranthe linearifolia Maria Ulloa-Cruz 1994-9-21 90 Trinity Shasta- Trinity national Forests. Mount Shasta Ranger District. Gumboot Creek by Gumboot meadows. 1820 Comment
  RSA593758  Erythronium Dorothy Parker 1969-5-11 s.n. Trinity Tangle Blue Creek, Scott Mountain, on Trinity side 915 Comment
  HSC67427  Erythronium californicum Thomas W. Nelson, Jane P. Nelson 1980-5-25 5317 Trinity Along Covelo-Zenia Rd. 1.5 mi. S of junction with Zenia-Van Duzen River Rd. 976 Comment
  HSC73516  Erythronium californicum Gail Newton 1980-7-13 1437 Trinity Near Mule Ridge 1646 Comment
  JEPS109668  Erythronium californicum Dean W. Taylor 2002-4-18 17984 Trinity Stony Ridge, watershed of Stony Creek, along logging road about 2 miles north from Highway 3 1097 Comment
  JEPS21760  Erythronium californicum C. E. Bigelow 1958-4-27 58 Trinity Fawn Lodge, Highway 299 W 548 Comment
  HSC97090  Erythronium californicum Thomas W. Nelson, Susan Erwin 2006-5-19 9408 Trinity At junction of Forest Service Roads 29, 29N58 and 29N59 1351 Comment
  RSA304234  Erythronium citrinum var. citrinum James R. Shevock 1972-3-26 1460 Trinity Along Mill Creek, Hwy 299. 610 Comment
  CAS-BOT-BC65240  Erythronium citrinum var. roderickii Jane E Van Susteren 2008-5-5 08 18 b Trinity Shasta-Trinity NF, Weaverville Ranger District, along forest road 37N47, south of Coffee Creek. 940 Comment
  CAS-BOT-BC65241  Erythronium citrinum var. roderickii Jane E Van Susteren 2008-4-29 08 -20 Trinity Shasta-Trinity NF, Weaverville Ranger District. From Hwy 3 east to Meter Meadow Road. Trinity River Drainage. 1100 Comment
  HSC98030  Erythronium citrinum var. roderickii Thomas W. Nelson 2005-4-22 9303 Trinity S side of Groves Creek Rd near mouth of Groves Creek 915 Comment
  RSA67028  Erythronium grandiflorum subsp. grandiflorum Philip A. Munz 1951-7-21 16758 Trinity Fisher Ridge, head of Patty John Basin, North Yolla Bolly Mountains 2165 Comment
  CAS-BOT-BC5875  Eschscholzia biternata Joseph William Blankinship 1893-6-26 s.n. Trinity Upper Mad River Comment
  UC469017  Eucephalus glabratus Mrs. M. H. Manning 1889-8-1 Trinity Trinity Summit Comment
  HSC93861  Eucephalus ledophyllus var. ledophyllus Jennifer Whipple 1977-8-3 2120 Trinity Deadfall Creek Drainage in the vicinity of the Deadfall Lakes 2287 Comment
  HSC64405  Euphorbia crenulata J. O. Sawyer, R. J. Cole 1978-4-20 3135 Trinity Todd's Cabin, along E Fork of N Fork of Trinity River 762 Comment
  JEPS8326  Euphorbia crenulata Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-12 3377 Trinity Wildwood 1005 Comment
  UC1537003  Euphorbia crenulata Gordon H. True Jr. 1937-7-2 743 Trinity Weaverville 579 Comment
  UCR45401  Euphorbia crenulata N. Meiselman, M. Bransom, D. Brown, R. Hildebrant 1986-5-10 53 Trinity Philpot Campground Comment
  HSC8003  Euphorbia crenulata R. Spellenberg 1964-6-16 433 Trinity 1 mi. W of Hwy. 299 on Underwood Mtn. Rd., Burnt Ranch Comment
  CHSC88887  Euthamia occidentalis L. P. Janeway 2004-9-15 8322 Trinity Klamath Ranges. Hamilton Ranch; south end of Grass Valley, wide floodplain on southeast side of Trinity River just east of mouth of Grass Valley Creek. 530 Comment
  HSC73881  Festuca arundinacea Gail Newton 1980-7-13 1417 Trinity Near Red Rock. 1509 Comment
  HSC68943  Festuca californica Jacqueline Greenleaf 1980-7-14 212 Trinity Near Van Duzen River 945 Comment
  HSC9851  Festuca californica R. H. Berg 1963-5-11 69 Trinity Near Mad River Ranger Station 915 Comment
  HSC9853  Festuca californica D. E. Anderson 1963-5-12 2426 Trinity Near Trinity-New River canyons. Comment
  HSC99642  Festuca californica Ed Cope, John Palmer Jul 1977 528 Trinity South of trail to Granite Lake. 1280 Comment
  HSC9848  Festuca californica John Heywood, D. H. Norris 1968-3-30 1782 Trinity Exposed rocky bluff along Hwy. 299, 8.94 mi E of Humboldt County Line Comment
  RSA293182  Festuca californica var. californica J. P. Smith, Thomas W. Nelson 1979-6-15 10103 Trinity Shasta-Trinity National Forest. Bear Creek at its junction with the Trinity River. 915 Comment
  CAS-BOT-BC282631  Festuca idahoensis John Thomas Howell 1937-7-21 13209 Trinity Big Flat Comment
  HSC51247  Festuca idahoensis G. L. Clifton, Overton 1979-6-4 4086 Trinity Near Van Duzen River, close to the town of Alderpoint 853 Comment
  UC704281  Festuca idahoensis Frank A. Pitelka 1943-6-23 253 Trinity 2 mi w Hayfork 731 Comment
  HSC74794  Festuca occidentalis Gail Newton 1980-7-9 1114 Trinity Near Shanty Creek. 1113 Comment
  HSC40314  Festuca rubra Thomas W. Nelson, Jane P. Nelson 1976-7-26 3022 Trinity Trinity/Humboldt Co. line, along FS Rd. 1S07 W of Black Lassic 1616 Comment
  HSC64952  Floerkea proserpinacoides D. L. Goforth 1979-6-16 185 Trinity Trinity Alps Wild Area, Dorleska Mine 1982 Comment
  RSA21640  Fragaria californica Carl B. Wolf 1937-6-13 8794 Trinity Inner North Coast range, Red Bluff - Eureka Road, 1.5 miles W of Wildwood, 1159 Comment
  HSC55499  Fragaria vesca G. L. Clifton, Butler 1979-7-18 8433 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  UC154513  Fragaria vesca Mrs. M. H. Manning 1901-7-1 57 Trinity Trinity Summit Comment
  HSC72222  Frangula californica subsp. crassifolia Thomas W. Nelson, Jane P. Nelson 1980-8-21 6253 Trinity Along Salt Creek road, 2 miles from jct. with Hwy. 3 793 Comment
  CAS-BOT-BC62973  Frangula californica subsp. tomentella John Thomas Howell 1937-7-31 12709 Trinity 5.5 mi. e. of Burnt Ranch. Comment
  CAS-BOT-BC55695  Frangula purshiana S. Matthews; M. Goering; R. James 1985-5-11 076 Trinity Philpot Campground, 1.5 miles SW of Peanut 762 Comment
  HSC101703  Frangula rubra subsp. rubra J. P. Smith, J. O. Sawyer 2011-6-24 13243 Trinity Shasta - Trinity National Forest. Copper Gulch Campground. 584 Comment
  JEPS123045  Frasera albicaulis var. nitida D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-26 JHWS- 029 Trinity Trinity Creek Watershed Comment
  CHSC3197  Fraxinus latifolia Gerry Carrauthers 1966-6-14 167 Trinity 2 mi. W. of Junction City on Highway 299. Comment
  SEINET13943202 Image available Fraxinus latifolia E. K. Balls, P. C. Everett 1953-1 18661 Trinity Grass Valley Creek at bridge, 7.5 mi NE of Douglas City on Hwy 299; 2000 ft alt. 610 Comment
  CHSC63949  Fritillaria affinis A. M. Walsh 1990-4-8 15 Trinity Forest Svs. Campground 'Big Bar' on Trinity River, near Big Bar, off hwy 299. Specimen on trail to Trinity R., 1/4 mi from campground. Comment
  HSC34573  Fritillaria affinis R. M. Sullivan 1975-5-17 92 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  CAS-BOT-BC130349  Fritillaria glauca Eugene Carter 1975-5-20 939 Trinity North Fork Trinity River, opposite the mouth of Morrison Gulch 1066 Comment
  CAS-BOT-BC130462  Fritillaria purdyi Anna Junkens 1915-4-22 s.n. Trinity Weaverville Comment
  HSC50919  Fritillaria recurva G. L. Clifton, Overton 1979-6-3 3740 Trinity Near Mt. Lassic, close to the town of Forest Glenn 1677 Comment
  HSC67325  Fritillaria recurva Thomas W. Nelson, Jane P. Nelson 1980-5-8 5216 Trinity Shasta-Trinity National Forest, Friend Mtn. along FS Rd. 2N15 1372 Comment
  RSA258855  Fritillaria recurva D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5538 Trinity Black Lassic. 1738 Comment
  HSC68808  Galium ambiguum Thomas W. Nelson, Jane P. Nelson 1980-6-18 5593 Trinity Shasta-Trinity National Forest, along FS Rd. 1N10, 1 mi. from junction with FS Rd. 2N07 1372 Comment
  HSC71657  Galium ambiguum M. A. Baker 1980-6-25 2349 Trinity Near Castle Rock 1280 Comment
  JEPS52723  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-14 4012 Trinity on Hwy 36 2 mi se Peanut 853 Comment
  JEPS52720  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-13 4005 Trinity along road 1 mi e Brown's Camp (e of South Yolla Bolly) 1752 Comment
  HSC52995  Galium aparine G. L. Clifton, Overton 1979-6-4 3986 Trinity Near Van Duzen River, close to the town of Alderpoint. 853 Comment
  HSC47571  Galium aparine Sheila Logan 1978-5-13 116 Trinity Philpot Campground, 1 mi. from Hwy. 3 on Trinity Pines Rd. 762 Comment
  HSC57262  Galium bolanderi Walter Overton 1979-7-18 8198 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  HSC70191  Galium bolanderi Thomas W. Nelson, Jane P. Nelson 1978-6-23 4330 Trinity Along FS Rd. 30, 1 mi. S of junction with SR 36 Comment
  HSC72108  Galium bolanderi J. P. Smith, L. Barker, J. Cole 1976-7-27 8954 Trinity Shasta National Forest, Eagle Creek Campground. Comment
  HSC73811  Galium bolanderi M. A. Baker 1980-6-25 2279 Trinity Near Castle Rock. 1436 Comment
  UC1511524  Galium bolanderi Bud Adamson and Bill Ferlatte 1984-8-14 Trinity USDA Forest Service Plot 63A 1203 Comment
  HSC19796  Galium bolanderi Lauramay T. Dempster, G. L. Stebbins 1963-7-7 3842 Trinity At crossing of Mill Creek and Hwy. 299, 2.7 mi. E of Burnt Ranch 305 Comment
  JEPS52885  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1964-6-15 4023 Trinity 1.9 mi nw junction with Mad River Road (road from Ruth to Zenia, ne-facing slope, sw side of lake); Ruth Lake 914 Comment
  RSA789818  Galium glabrescens subsp. glabrescens Rebecca Wenk 2005-7-18 283 Trinity Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1 mi east of Hwy 3. 1750 Comment
  RSA66422  Galium mexicanum subsp. asperulum Philip A. Munz 1951-7-17 16596 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  JEPS93998  Galium mexicanum var. asperulum Vernon H. Oswald and Lowell Ahart 1998-7-28 9385 Trinity e. Forest Glen (Rattlesnake Rd. along w. side of Post Creek 0.2 mi. n. of Hwy. 36) 780 Comment
  SEINET10500742  Galium serpenticum subsp. scotticum Mary Susan Taylor 1980-7-22 Taylor 3169 Trinity T39N R7W se sec 5, China Mt quad. Shasta-Trinity Natl Forest, open black serpentine slope on E side of Hwy 3, 0.9 mi S of Scott Mt summit. 1646 Comment
  HSC35686  Galium triflorum J. P. Smith, J. O. Sawyer 1973-7-4 7076 Trinity Trail 11W26 from Rd. 80, between Dubakella and S Dubakella Mtn. 1524 Comment
  JEPS20475  Gamochaeta ustulata Joseph P. Tracy 1936-6-10 14918 Trinity vicinity Salyer; Northern Coast Ranges 243 Comment
  HSC72782  Garrya buxifolia M. A. Baker 1980-7-1 2529 Trinity Near Hayden Roughs. 1402 Comment
  HSC59321  Garrya fremontii J. M. DiTomaso 1979-3-22 825 Trinity Grays Falls 305 Comment
  UC130681  Garrya fremontii H. M. Hall Jul 1909 8637 Trinity Coffee Creek; Salmon Mountains 1524 Comment
  UCD39991  Garrya fremontii Rodney Gale Myatt 1971-9-21 1216 Trinity About 1 mi. west of the town of Willow Creek. 426 Comment
  HSC40665  Gayophytum diffusum subsp. parviflorum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2941 Trinity Along FS 5E27 just N of junction with FS 1S07 1555 Comment
  HSC54297  Gayophytum diffusum subsp. parviflorum G. L. Clifton, Butler 1979-7-17 7480 Trinity Near Horse Ridge Mtn., close to the town of Mad River 1851 Comment
  RSA21675  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1937-8-12 9159 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  HSC73884  Gayophytum humile Gail Newton 1980-7-13 1414 Trinity Near Red Rock. 1509 Comment
  HSC38982  Gayophytum ramosissimum J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-29 2647 Trinity Gipson Meadows, along trail to Granite Lake 1951 Comment
  RSA211506  Gentiana calycosa William J. Ferlatte 1967-8-10 866 Trinity Grizzly Creek, 1/4 mile below falls. 1829 Comment
  HSC91279  Gentianella amarella subsp. acuta Jennifer Whipple 1976-8-11 1678 Trinity Mt. Eddy, N of lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  UCD121462  Gentianella amarella subsp. acuta Joseph M. DiTomaso 1975-8-25 290 Trinity Parker Meadows. 1615 Comment
  SEINET202287  Gentianopsis simplex Helen K. Sharsmith 27-29 Aug1960 4827 Trinity Shasta National Forest; Borders of streamlet flowing into Mosquito lake, ca. 300 feet above lake. 2042 Comment
  HSC74145  Geranium dissectum M. A. Baker 1980-5-24 1473 Trinity Near Long Ridge. 1006 Comment
  CAS-BOT-BC182448  Geum macrophyllum Eugene Carter 1975-6-2 949 Trinity North Fork Trinity River. Grizzly Creek. Along trail east of China Gardens 1097 Comment
  HSC67289  Gilia capitata Thomas W. Nelson, Jane P. Nelson 1980-6-17 5507 Trinity Shasta-Trinity National Forest, along Salt Creek Rd. at junction with FS Rd. 30N24 945 Comment
  HSC68826  Gilia capitata Thomas W. Nelson, Jane P. Nelson 1980-6-19 5618 Trinity Along Salt Creek Rd., 2 mi. from junction with Hwy. 3 793 Comment
  RSA699134  Gilia capitata Frances Battey s.n. Trinity Inner North Coast Range, Red Bluff, Eureka Road, 6 2/10 mi E of Mad River Store 1067 Comment
  CHSC71545  Gilia capitata subsp. capitata Vernon H. Oswald; Lowell Ahart 1998-7-28 9384 Trinity Rattlesnake Rd. along the west side of Post Creek 0.2 mi north of Hwy. 36, east of Forest Glen. Along the edge of the road. 780 Comment
  RSA296745  Githopsis specularioides R. York 1979-4-29 250 Trinity Gray's Falls Trail; above the confluence of the New and Trinity rivers. 305 Comment
  CAS-BOT-BC227186  Glyceria elata Eugene Carter 1975-6-19 976 Trinity North Fork Trinity River. Swamp along trail west of Digger Pine Flat 769 Comment
  CHSC53672  Glyceria occidentalis L. P. Janeway 1987-6-29 2386 Trinity Old floodplain of Trinity River near mouth of Grass Valley Cr; on N side of Lewiston Rd 1.8 mi from hwy 299. 'Lowden Ranch. 533 Comment
  CDA10821  Glyceria striata G. F. Hrusa 1993-7-24 11395 Trinity Trinity Mountains; SW face of ridge N of Bonanza King Lookout and 1 m. to N of pool at headwaters of Scorpion Creek. 1524 Comment
  CAS-BOT-BC303177  Gnaphalium palustre P. A. Munz 1936-8-11 14361 Trinity Little Trinity River, Forest Glenn 762 Comment
  HSC304  Gnaphalium palustre William J. Ferlatte 1966-8-16 375 Trinity Big Flat. 1524 Comment
  HSC44126  Gnaphalium palustre Thomas W. Nelson, Jane P. Nelson 1977-7-30 3652 Trinity S fork of Black Lassic Creek. 1463 Comment
  SEINET8726301 Image available Godetia quadrivulnera Unknown 1942-1 11627 Trinity Hettenshaw Valley 945 Comment
  HSC74589  Hackelia bella M. A. Baker 1980-7-10 2689 Trinity Near Senteney Rock 1554 Comment
  UC1222255  Hackelia bella Joseph P. Tracy 1942-7-2 17375 Trinity near Lemonade Springs; South Fork Mountain 1371 Comment
  UC5255564  Hackelia bella Joseph P. Tracy 1923-7-1 6499 Trinity near summit on road to Low Gap of Mad River; Northern Coast Ranges, South Fork Mountain 1219 Comment
  RSA151931  Hackelia bella John Weiler, A. P. Nelson 1960-6-29 60254 Trinity 3.6 miles north of the Zenia road on the way to Watt Lake Public Camp. 1677 Comment
  HSC103108  Hackelia californica M. Mesler 2010-7-15 831 Trinity South Fork Mtn, FS rd 4N12, c. 8 miles north of Hwy 36 1707 Comment
  CHSC110535  Hackelia setosa Julie Kierstead Nelson; Talitha Derksen 2012-6-4 2012 -049 Trinity Butter Creek watershed, Rd. 3N08F (decommissioned); 10 mi W of Hayford, S side of Butter Creek. 1080 Comment
  SEINET10474702  Haplopappus ophitidis Mary Susan Taylor 1980-8-21 Taylor 3282 Trinity T29N R12W se sec 16, Dubakella quad. Shasta-Trinity Natl Forest, open serpen tine ridge on S side of 29N59, ca. 0.5 mi E of the jct of 30N29, 29N59 and 29N58, 0.5 mi N of Swim Meadow. With T. Nelson. 1402 Comment
  CHSC65218  Harmonia doris-nilesiae Vivian Parker 1993-6-8 14 -18 Trinity Shasta-Trinity National Forests. Hayfork Ranger District. Hillside above a nw tributary east of Indian Valley Creek, ca. 1.0 mi east of Maddox Lake. 900 Comment
  JEPS111050  Harmonia doris-nilesiae Sue Pappalardo 1993-6-2 398 Trinity Hayfork Ranger District; Butter Creek; 2N18 road at junction with 18 c road. 800 Comment
  UC1051516  Harmonia doris-nilesiae Helen K. Sharsmith 1953-6-26 4365 Trinity 4.2 mi w of Cold Springs (Forest Glen-Peanut Road); Inner North Coast Ranges, Trinity National Forest 1158 Comment
  CHSC35539  Harmonia stebbinsii Thomas W. Nelson; Jane P. Nelson 1980-6-22 5746 Trinity Shasta-Trinity National Forest. Along road 29N28 7 miles south of junction with State Route 36 and 1 mile from Goat Camp. 1371 Comment
  JEPS100575  Harmonia stebbinsii Dean W. Taylor 2002-5-8 18034 Trinity Dubakella Creek, logging spur of 29N31 (ca. 4 air mi SW of Wildwood) 1325 Comment
  JEPS81072  Harmonia stebbinsii Thomas W. Nelson and Jane P. Nelson 1980-6-22 5746 Trinity along road 29N28 7 mi s junction with State Route 38 (1 mi from Goat Camp); Shasta-Trinity National Forest, Dubakella Quad 1371 Comment
  JEPS89005  Harmonia stebbinsii V. Parker 1994-6-23 760 Trinity w side of 29N10 1.2 mi from jct. with Wild Mad Road (30) (Pony Buck East quadrangle); Shasta-Trinity National Forests, Yolla Bolly Ranger District 1260 Comment
  UC1484502  Harmonia stebbinsii Thomas W. Nelson and Jane P. Nelson 1978-6-23 4337 Trinity along Forest Service Rd. to Hell to Find Lake; Dubakella Mountain Quad; Dubakella Mt., along Forest Service Road to Hell to Find Lake, Trinity Co. 1158 Comment
  HSC35273  Hastingsia alba R. M. Sullivan 1975-5-17 65 Trinity SE facing slope of the trail to Denny at the confluence of the New River and the Trinity River 310 Comment
  HSC40892  Hastingsia alba J. O. Sawyer, K. A. Sawyer, J. P. Smith 1974-6-29 2675 Trinity Along Swift Creek Trail, 0.5 mi. from trailhead. 1341 Comment
  UC1553470  Hastingsia alba E. Dean 1988-6-28 86 Trinity stream w of upper reaches Elk Gulch (Trinity Lake area); Trinity Lake area 1460 Comment
  CAS-BOT-BC510393  Hastingsia alba Herbert L. Mason 1950-7-15 14051 Trinity Summit of grade, Scott Mountain Comment
  UC581772  Hazardia whitneyi var. discoidea Joseph P. Tracy 1935-8-5 14563 Trinity at head White's Creek; Devil's Canyon Mts., White's Creek 2133 Comment
  HSC35879  Helenium bigelovii J. P. Smith, J. O. Sawyer 1973-7-27 7167 Trinity Trail to Deadfall Lakes. 1951 Comment
  HSC78706  Helenium bigelovii John S. Palmer 1973-8-3 141 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  UC933441  Helenium bigelovii Annie M. Alexander and Louise Kellogg 1948-8-25 5556 Trinity w side Morris Meadows; Trinity Mountains, Stuart Fork 1280 Comment
  JEPS95627  Helianthella californica subsp. shastensis Vernon H. Oswald and L. Ahart 1994-6-14 6301 Trinity T38N R7W NE1/4 Sec. 24, 4200 ft, Yellow Pine Forest. Forest Rd. 25 W of Castella and W of Ramshorn Summit, on the N side of Ramshorn Creek 1280 Comment
  CAS-BOT-BC314846  Helianthella californica var. shastensis Alice Eastwood; John Thomas Howell 1937-6-25 4970 Trinity Between Eagle and Bear Creeks Comment
  RSA49958  Helianthella californica var. shastensis E. K. Balls 1949-7-7 13891 Trinity Scott Mountain Public Camp, Scott Mt. 1631 Comment
  HSC71199  Helianthus bolanderi Thomas W. Nelson, Jane P. Nelson 1978-8-12 4552 Trinity Along S.R. 3, 2.5 mi. E of junction with S.R. 299 Comment
  CAS-BOT-BC312130  Hemizonella minima Joseph P. Tracy 1935-7-24 14211 Trinity Near Ranger Station, Trinity Summit 1828 Comment
  HSC42368  Hemizonella minima Richard Runyon 1977-5-21 Trinity Eagle Creek Campground 851 Comment
  HSC48963  Hemizonella minima M. A. Baker 1979-5-13 707 Trinity Hobo Gulch Campground Comment
  HSC67030  Hemizonella minima J. P. Smith, J. O. Sawyer 1975-6-1 8189 Trinity 1/2 mi. NW of Wildwood 915 Comment
  HSC73651  Hemizonella minima Gail Newton 1980-7-10 1195 Trinity Near Senteney Rock. 1545 Comment
  UC582406  Hemizonella minima Joseph P. Tracy 1935-7-24 14211 Trinity near Ranger Station; Trinity Summit 1828 Comment
  HSC46772  Hemizonella minima J. M. DiTomaso 1975-7-2 98 Trinity 50 yards up Sawtooth Ridge Trail from Stuarts Fork Trail. 1524 Comment
  UCD132969  Hemizonella minima Joseph M. DiTomaso 1975-7-2 98 Trinity Trinity Alps. 50 yards up Sawtooth Ridge Trail from Stuarts Fork Trail. 1524 Comment
  HSC42485  Hemizonia congesta subsp. clevelandii Robert M. Specht 1977-7-21 1154 Trinity Comment
  POM360345  Hemizonia congesta subsp. luzulifolia Thomas W. Nelson, Jane P. Nelson 1978-8-12 4553 Trinity Along State Route 3, 2.5 miles E of junction with State Route 299. Comment
  HSC71925  Hemizonia congesta subsp. tracyi Thomas W. Nelson, Jane P. Nelson 1980-6-26 5926 Trinity Along Covelo-Zenia Rd., ca. 1.5 mi. S of Lake Mountain Ranch 823 Comment
  UC314587  Heracleum lanatum Joseph P. Tracy 1923-6-28 6407 Trinity Burnt Ranch Northern Coast Ranges, Burnt Ranch 457 Comment
  CHSC31034  Herniaria hirsuta subsp. hirsuta M. S. Taylor 1980-7-22 3194 Trinity In road parking area, jct of Hwy 3 and Scott Mt. Creek, ca. 2 mi s of Scott Mt. Summit. 975 Comment
  CHSC35612  Hesperolinon micranthum Thomas W. Nelson; Jane P. Nelson 1980-6-26 5927 Trinity Six Rivers National Forest. Along Covelo-Zenia Rd. opposite Kettenpaum store. 1066 Comment
  CHSC69013  Hesperolinon micranthum Vernon Oswald; Lowell Ahart 1997-7-17 8727 Trinity Forest Road 29 (Bramlot Rd.) 2.9 mi south of Hwy. 36. 1158 Comment
  UC130697  Heuchera merriamii H. M. Hall July, 1909 8690 Trinity Little Boulder Lake; Trinity Alps; Salmon Mountains 1981 Comment
  RSA0063207  Heuchera merriamii D. E. Anderson 1971-7-28 5455 Trinity Vicinity of East Weaver Lake. About 1 mile from Weaver Bally Lookout (which is on Forest Service Rd 33N38, NW of Weaverville). 1921 Comment
  UCD102623  Heuchera merriamii Joseph M. DiTomaso 1975-9-26 294 Trinity Above Lion Lake at west end. 2225 Comment
  HSC51260  Heuchera micrantha G. L. Clifton, Overton 1979-6-4 4099 Trinity Near Shanty Creek, close to the town of Alderpoint 853 Comment
  CAS-BOT-BC319726  Hieracium albiflorum Peter H. Raven; R. Snow 1958-7-18 13574 Trinity 6.3 miles south of Trinity Center on road to Minersville Comment
  CAS-BOT-BC319722  Hieracium albiflorum Eugene Carter 1972-8-7 1305 Trinity Along trail below Pfeiffer Flat, north Fork Trinity river, Hobo Gulch Camp and vicinity 18 mi. NW of Weaverville 1036 Comment
  CHSC63322  Hieracium bolanderi Vernon H. Oswald; Lowell Ahart 1994-7-11 6392 Trinity Forest Rd. 26 (to Mt. Shasta), 7.8 mi N of Castle Creek Rd. (Forest Rd. 25), between Mumbo Creek and Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmiur. 1914 Comment
  UC1223078  Hieracium nudicaule Joseph P. Tracy 1950-7-25 19061 Trinity 0.5 mi s of the crossing Hyampom Trail; Top of South Fork Mountain Comment
  HSC613  Hieracium scouleri William J. Ferlatte 1967-8-5 771 Trinity Canyon Creek Lakes 1646 Comment
  SBBG38293  Holcus lanatus T. L. Secrest 1949-6-28 Trinity Forest Glen Comment
  HSC73447  Holodiscus discolor Gail Newton 1980-7-9 1136 Trinity Near Shanty Creek. 1113 Comment
  POM182833  Holodiscus discolor H. S. Yates 1914-7-13 492 Trinity Stuarts. Comment
  CAS-BOT-BC152405  Holodiscus discolor var. discolor Doris Kildale 1931-5-17 10835 Trinity Hawkins Bar 185 Comment
  CDA11064  Holozonia filipes G. F. Hrusa, R. Gross, D. Ragan, A. Buckman 1993-10-24 11454 Trinity Klamath Ranges; Canyon immediately E of Rackerby Ridge, terminates into Trinity Lake. Comment
  CAS-BOT-BC285082  Hordeum marinum subsp. gussoneanum Doris Kildale 1931-5-30 10791 Trinity Weaverville Comment
  HSC58461  Hordeum marinum subsp. gussoneanum G. L. Clifton, Butler 1979-7-17 8080 Trinity Near Clover Gulch, close to the town of Mad River 893 Comment
  HSC86339  Hordeum murinum subsp. leporinum J. P. Smith 1982-6-19 10480 Trinity Along trail past Clems Camp to China Peak 1402 Comment
  UCR37959  Horkelia tridentata P. Williams, Mike Malamus, Brian Kearney 1984-5-12 39 Trinity Philpot [Cold Springs] Campground 979 Comment
  HSC34097  Horkelia tridentata var. flavescens M. G. Schmidt 1975-7-10 18 Trinity Hayfork area Comment
  HSC34418  Hosackia crassifolia J. P. Smith, J. O. Sawyer 1973-7-4 7009 Trinity Hillside S and W of S Dubakella Mtn. 1524 Comment
  HSC72725  Hosackia crassifolia Gail Newton 1980-7-2 878 Trinity Near Swim Ridge. 1341 Comment
  HSC78472  Hosackia crassifolia John S. Palmer 1973-6-19 66 Trinity Bear Lakes Area along trail to Big Bear Lake 1341 Comment
  CHSC93251  Hosackia crassifolia var. crassifolia B. Castro; L. Janeway 1996-7-7 680 Trinity Ca 3.5 air mi NNE of Trinity Mtn, in upper drainage of Feeny Gulch. Along dirt road 2.6 rd mi NE of its jcn with Feeny Gulch Rd (which is USFS Rd 35N32). This dirt rd is just W of and roughly parallels County Line Road. On SW-facing roadside. 1300 Comment
  HSC92171  Hulsea nana Jennifer Whipple 1976-6-24 1126 Trinity Trinity and Siskiyou Counties, summit region of Mt. Eddy 2561 Comment
  HSC73672  Hydrophyllum occidentale Gail Newton 1980-7-10 1169 Trinity Near Senteney Rock. 1545 Comment
  HSC74282  Hydrophyllum occidentale M. A. Baker 1980-7-10 2726 Trinity Near Senteney Rock 1554 Comment
  RSA0110958  Hydrophyllum occidentale P. A. Munz 1949-5-16 13260 Trinity East Weaver Public Camp, East Weaver Creek. 915 Comment
  RSA66394  Hydrophyllum occidentale P. A. Munz 1951-7-18 16624 Trinity North slope of North Yolla Bolly Peak, N Yolla Bolly Mtns. Line of Tehama and Trinity county. 1982 Comment
  UC302047  Hypericum formosum var. scouleri Joseph P. Tracy 1926-7-4 7699 Trinity Hennessey Rd. leading up S. Fork Trinity R. Koon Ranch; Northern Coast Ranges, S. Fork Trinity R., Koon Ranch 304 Comment
  HSC68662  Hypericum perforatum Jacqueline Greenleaf 1980-7-14 226 Trinity Near Van Duzen River 945 Comment
  UC1537664  Hypericum perforatum Gordon H. True Jr. 1937-7-2 746 Trinity near Weaverville 548 Comment
  HSC102672  Hypericum perforatum J. P. Smith 2009-6-1 12628 Trinity At Leersia pond. Comment
  HSC49723  Hypochaeris glabra J. O. Sawyer, R. J. Cole 1978-4-20 3103 Trinity Above Hwy. 299 at White's Bar. Comment
  HSC5862  Hypochaeris radicata M. T. Milligan 1964-9-13 273 Trinity 4 miles W of Burnt Ranch on Hwy. 299 610 Comment
  RSA226610  Idahoa scapigera D. E. Anderson, James Payne Smith 1970-4-16 5038 Trinity Along road to Ruth Dam, ca 4.5 miles S of its jct with Hwy 36. Comment
  HSC40484  Ipomopsis aggregata J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-27 2617 Trinity Slopes to top of Silago Peak 2470 Comment
  UC1037422  Ipomopsis aggregata Douglas Barbe 1955-8-4 350 Trinity 1/2 mi n Big Flat (at head of Coffee Creek); Klamath Mtns 1524 Comment
  UC1197889  Ipomopsis aggregata Joseph P. Tracy 1935-8-4 14525 Trinity 3 mi n Cabin Creek Peak (head of New River, high ridges near Rattlesnake Lake) Comment
  HSC68947  Iris macrosiphon Thomas W. Nelson, Jane P. Nelson 1980-6-22 5738 Trinity Along Hwy. 36 at Muldoon Gulch, Shasta-Trinity National Forest 1311 Comment
  HSC62948  Iris macrosiphon R. York 1979-5-12 285 Trinity N of the Philpot BLM Campground 793 Comment
  RSA135826  Iris macrosiphon E. K. Balls 1957-5-25 22563 Trinity Just west of Forest Glen on Highway 36 701 Comment
  RSA20750  Iris macrosiphon Carl B. Wolf 1937-6-20 8955 Trinity North Coast Range, Hettinshaw Valley - Zenia, 1 mi N of Zenia Guard Station. 1159 Comment
  UC1174796  Iris tenuissima L. W. Lenz and E. K. Balls 1952-5-12 17206 Trinity 17.1 mi se Humboldt-Trinity County line (Hwy 36, from Alton to Red Bluff, Forest Glen); Forest Glen Comment
  HSC46867  Iris tenuissima William J. Ferlatte 1976-5-19 1768 Trinity Canyon of Coffee Creek at N Fork of Coffee Creek, N side of road, E side of N Fork 1065 Comment
  RSA136368  Iris tenuissima Lee W. Lenz, E. K. Balls 1955-5-15 20714 Trinity Just east of Del Loma, U.S. Highway 299, Weaverville to Willow Creek 355 Comment
  RSA136379  Iris tenuissima Lee W. Lenz, E. K. Balls 1952-5-13 17229 Trinity 5.3 miles north along Canyon Creek from Junction City to Dedrick Comment
  RSA136380  Iris tenuissima Lee W. Lenz, E. K. Balls 1952-5-12 17210 Trinity 1.2 miles north of Peanut on road from Highway 36 to Hayfork and Douglas City 732 Comment
  RSA136383  Iris tenuissima Lee W. Lenz, E. K. Balls 1952-5-13 17235 Trinity 1.2 miles west of Fawn Lodge on Highway 299, between Douglas City and Redding Comment
  HSC46728  Isatis tinctoria William J. Ferlatte 1976-5-18 1749 Trinity Coffee Creek Rd., 4.8 mi. W of Hwy. 3 near Coffee Creek Ranch 885 Comment
  CHSC1560  Ivesia gordonii V. Holt 1942-8-13 Trinity Long Canyon in Trinity Alps. 1828 Comment
  CAS-BOT-BC142863  Ivesia pickeringii David D. Keck; A. Gustafsson 1938-8-8 4884 Trinity Trinity River 8 mi. N. of Carrville Comment
  CHSC30214  Ivesia pickeringii M. S. Taylor 1980-7-22 3161 Trinity Road edge in meadow, on w side of Hwy 135, ca. 0.5 mi n of Eagle Creek camp, in meadow. 822 Comment
  CHSC40154  Juncus confusus L. P. Janeway 1983-4-30 251 Trinity Meadow just e of Burnt Ranch USFS campground. 411 Comment
  SBBG38098  Juncus covillei T. L. Secrest 1949-7-3 Trinity Forest Glen Comment
  CHSC99706  Juncus dudleyi L. P. Janeway 2008-7-23 9457 Trinity Klamath Ranges. Trinity Mountains; along Road 40N45 5.5 road km north-northwest of Road 26; southwest-facing slope overlooking Picayune Creek. Open roadside soggy seep. 1908 Comment
  CAS-BOT-BC227800  Juncus effusus Eugene Carter 1974-9-17 906 Trinity North Fork Trinity River. On road north of Keystone Flat Comment
  HSC36794  Juncus ensifolius Thomas W. Nelson, Jane Nelson, James Nelson 1975-7-20 2045 Trinity Margin of Wats Lake Comment
  CHSC107453  Juncus howellii Matt Simenc 2009-9-6 29 Trinity The Eddys, Klamath Ranges, Shasta National Forest. 1.75 km South on Pacific Crest Trail from Parks Creek Trail Head at 42N17 rd. about 48 km from Mt. Shasta Ranger Station. Growing just above trail in a seep. 2109 Comment
  CHSC70195  Juncus howellii Jennifer Whipple 1977-8-4 2132 Trinity Mount Eddy, Klamath Mountains. Meadow and seep areas near the upper Deadfall Lakes. 2346 Comment
  RSA66446  Juncus mertensianus Phillip A. Munz 1951-7-21 16787 Trinity Fisher Ridge, at head of Patty John Basin. North Yolla Bolly Mountains. 2073 Comment
  HSC72648  Juncus patens Gail Newton 1980-6-26 655 Trinity Near Underwood Creek. 451 Comment
  CAS-BOT-BC236905  Keckiella corymbosa John Thomas Howell 1937-7-31 13704 Trinity Trinity River Canyon, 11 miles west of Big Bar Comment
  CHSC69026  Keckiella corymbosa Vernon Oswald; Lowell Ahart 1997-7-17 8731 Trinity Forest Road 29 (Trinity National Forest) 4.2 mi south of Hwy. 36. 1249 Comment
  HSC63888  Keckiella corymbosa M. A. Baker 1979-7-3 989 Trinity Hetten Rock 1300 Comment
  RSA106770  Keckiella corymbosa L. S. Rose 1955-7-16 55119 Trinity 1 mi. w. of Junction City, Trinity River. 448 Comment
  RSA256726  Koeleria macrantha D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5640 Trinity Trinity-Humboldt Cos. Senteney Rock. A large barren Franciscan Rock along Swayback Ridge. Comment
  HSC104295  Kopsiopsis strobilacea Samantha E. Andres 2016-4-9 2 Trinity Grays Falls Campground; ~1 mi. on the trail from the boat ramp parking lot to the campground Comment
  JEPS77427  Kyhosia bolanderi William J. Ferlatte 1979-8-25 1739 Trinity Upper Bowerman Meadows Upper drainage of East Fork of the Syuart Fork of Trinity Ri 1889 Comment
  HSC70628  Kyhosia bolanderi J. M. DiTomaso 1979-9-17 1524 Trinity Trinity Alps Wilderness Area, Mumford Meadows up Swift Creek trail 1677 Comment
  NY335495  Lappula micrantha A. Eastwood 1901-7-2 s.n. Trinity Canyon Creek: Twin Lakes Comment
  CAS-BOT-BC204920  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-11 11697 Trinity 1.5 miles above Peanut on State Highway 36 Comment
  CHSC71536  Lathyrus jepsonii var. californicus Vernon H. Oswald; Lowell Ahart 1998-7-28 9375 Trinity Hwy. 36 6.4 mi west of Wildwood Rd., 5.7 mi east of Hwy. 3. On the edge of a roadside ditch. 1219 Comment
  JEPS75365  Lathyrus jepsonii var. californicus Joseph P. Tracy 1935-8-2 14431 Trinity Youngs Peak, head of New River New River 1584 Comment
  UC162575  Lathyrus nevadensis var. nevadensis Joseph Burtt Davy and Walter C. Blasdale 1899-5 5833 Trinity Trinity Summit North Coast Ranges Comment
  HSC38287  Lathyrus polyphyllus Thomas W. Nelson 1976-6-10 2688 Trinity Along road 6E42 Comment
  HSC86350  Lathyrus polyphyllus J. O. Sawyer, J. Stephensen, J. Rivera 1985-5-3 4318 Trinity Along Slide Creek W of Eagle Creek 610 Comment
  SEINET7040268  Lathyrus sulphureus A. G. Vestal 1963-6-5 s.n. Trinity 4.3 miles south of Hayfork. Dubrakella Mtn. Quadrangle UTM Zone 10, 486136mE, 4481942mN. Comment
  HSC51038  Lathyrus tracyi G. L. Clifton, Overton 1979-6-3 3879 Trinity Near Hettenshaw Valley, close to the town of Alderpoint. 884 Comment
  HSC58503  Lathyrus tracyi Walter Overton 1979-7-18 8708 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  UCR39768  Lathyrus tracyi J. P. Smith 1973-4-7 6001 Trinity New River Trail from Grays Falls Campground on the north side of the Trinity River and W side of the New River 305 Comment
  HSC59770  Lathyrus tracyi Thomas W. Nelson, J. O. Sawyer, J. P. Smith 1978-5-6 4019 Trinity Along forest Rd. 34N07Y, 2 mi. N of Helena Comment
  HSC64266  Lathyrus tracyi J. O. Sawyer, R. J. Cole 1978-4-22 3072 Trinity Along Big French Creek Rd. (5N13), 12 mi. towards Ironside Mtn. lookout 1463 Comment
  RSA48617  Lathyrus tracyi P. A. Munz 1949-5-15 13232 Trinity Ripstein Public Camp Ground, Canyon Creek, Dedrick. 976 Comment
  UC722503  Ledum glandulosum C. L. Hitchcock, J. S. Martin 1939-7-11 5373 Trinity 11 mi n of Dedrick (upper Canyon Creek Lake); Canyon Creek Lake 1981 Comment
  UCD118763  Leptosiphon harknessii Joseph M. DiTomaso 1976-7-7 578 Trinity Trinity Alps, 1 mile west of Mumford Meadows on Swift Creek Trail. 1676 Comment
  HSC38610  Leptosiphon latisectus D. E. Anderson, J. P. Smith 1971-6-21 - 1121 Trinity 2.7 mi. S of Zenia along the Zenia-Covelo Rd. Comment
  HSC67423  Leptosiphon latisectus Thomas W. Nelson, Jane P. Nelson 1980-5-25 5321 Trinity Along Covelo-Zenia Rd., 1.5 mi. S of junction with Zenia-Van Duzen River Rd. 976 Comment
  JEPS88042  Lessingia nemaclada S. Markos, B. Wessa 1996-8-10 131 Trinity 1 mi E of on Hwy 299 Grass Valley Creek Bridge Comment
  CDA13484  Lessingia nemaclada G. F. Hrusa, D. Willis 1997-8-2 14082 Trinity North Coast Ranges; Highway 36, near milepost 7.1 m. E from Humboldt Co. line. 1219 Comment
  HSC35875  Lessingia nemaclada Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2084 Trinity Brown's Canyon Campground. Comment
  POM289266  Lessingia nemaclada Lyman Benson 1930-7-18 2201 Trinity Weaverville, Inner North Coast mountain range 1220 Comment
  RSA41984  Lessingia nemaclada H. C. Cantelow 1936-8-25 1573 Trinity Scott Ranch, 3 miles S of Trinity Center. Comment
  SD62323  Lessingia nemaclada Willard Spence 1962-7-22 724 Trinity US Dept Agriculture campground, just north of bridge over Stuart Fork of the Trinity River, on the road between Weaverville and Trinity Center Comment
  HSC28769  Leucothoe davisiae J. P. Smith 1973-4-21 6233 Trinity Big Bear Lake trail, N of Eagle Creek Campground 1037 Comment
  HSC756  Leucothoe davisiae William J. Ferlatte 1967-8-7 833 Trinity Canyon Creek Lakes, below 'L' lake 1768 Comment
  UCD117520  Leucothoe davisiae Joseph M. DiTomaso 1975-7-22 169 Trinity At outlet to Boulder Lake. 1828 Comment
  CAS-BOT-BC229454  Lewisia cotyledon Benjamin 1883-5-1 s.n. Trinity Near Junction City Comment
  HSC59297  Lewisia cotyledon var. cotyledon R. York 1979-4-29 262 Trinity Along the Gray's Falls Trail above confluence of New and Trinity Rivers 305 Comment
  HSC79061  Lewisia cotyledon var. cotyledon T. Jimerson 1983-5-17 Trinity S Fork Trinity Trail near Hell's Half Acre Creek 494 Comment
  HSC24193  Lewisia leeana D. E. Anderson 1971-7-28 5480 Trinity Near E Weaver Lake, 1 mi. from Weaver Bally Lookout on FS Rd. 33N38 1921 Comment
  HSC4443  Lewisia leeana William J. Ferlatte 1966-6-30 168 Trinity Canyon Creek Lakes 1646 Comment
  UC1299366  Lewisia leeana Freed W. Hoffman 1950-7-4 4015 Trinity Black Rock North Coast Ranges, Yolla Bolly Mts. 2133 Comment
  HSC66326  Lewisia nevadensis Ed Cope, John Palmer Jul 1977 547 Trinity South of trail to Granite Lake. 1280 Comment
  CAS-BOT-BC444194  Lewisia nevadensis R. C. Barneby 1954-5-17 11546 a Trinity 4 miles s.-w. of Trinity Center 944 Comment
  CAS-BOT-BC94384  Lewisia triphylla R. C. Wenk 2005-6-17 151 Trinity Coffee Creek, Big Flat Meadow, in vicinity of Gates cabin at N end of meadow 1524 Comment
  UC1565805  Ligusticum apiifolium R. Spellenberg 1990-7-11 Trinity 2 mi. s.e. Burnt Ranch (on Spellenberg property in Bidden Creek drainage, 1 mi. s. of CA Hwy. 299); Bidden Creek drainage 487 Comment
  RSA594176  Ligusticum californicum S. O. Mattoon 1978-9-23 45 Trinity Dead Fall Lakes vicinity; Mt. Eddy; Shasta North Fork 2591 Comment
  HSC55414  Ligusticum grayi G. L. Clifton 1979-7-16 7808 Trinity Near Pickett Peak, close to the town of Mad River 1695 Comment
  UC901892  Ligusticum grayi L. Constance, J. F. Davidson, B. Kasapligil, and H. L. Mason 1950-7-15 3356 Trinity w. shoulder Scott Mt. (at road summit) 1524 Comment
  UC933427  Ligusticum grayi Annie M. Alexander and Louise Kellogg 1948-8-10 5461 Trinity Upper Canyon Creek Lake, Trinity Mts. Trinity Mts., Upper Canyon Creek Lake 1767 Comment
  HSC78354  Lilium kelleyanum John S. Palmer 1973-7-1 106 Trinity Bear Lakes area, Tangle Blue Lake at W edge of lake 1753 Comment
  RSA49945  Lilium kelleyanum E. K. Balls 1949-7-7 13888 Trinity Scott Mountain Camp Meadow, Scott Mt. 1631 Comment
  CAS-BOT-BC509389  Lilium kelleyanum John Thomas Howell 1937-7-20 13148 Trinity Van Ness Creek Comment
  CAS-BOT-BC130859  Lilium pardalinum Anna A. Junkans 1915-1-1 s.n. Trinity Weaverville Comment
  CAS-BOT-BC133004  Lilium rubescens E. K. Balls 1949-7-3 13790 Trinity Trail to right above Bear Creek, above Dedrick 1219 Comment
  CAS-BOT-BC133005  Lilium rubescens L. R. Abrams 1916-7-21 6153 Trinity Bridgeville to Dunsmuir Comment
  UC1299350  Lilium rubescens Freed W. Hoffman 1950-7-13 3654 Trinity 2.7 mi. s. Hobo Public Camp (N. Fork Trinity R.); North Coast Ranges, N. Fork Trinity R. Comment
  UCD139757  Lilium washingtonianum Joseph M. DiTomaso 1975-8-25 293 Trinity Landers Meadow next to Landers Creek. 2072 Comment
  CAS-BOT-BC133031  Lilium washingtonianum subsp. purpurascens Anna A. Junkans 1915-1-1 s.n. Trinity Weaverville Comment
  UC423123  Lilium washingtonianum subsp. purpurascens Annie M. Alexander and Louise Kellogg 1911-7-20 261 Trinity Grizzly Creek 1524 Comment
  UC666949  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1935-8-8 14730 Trinity head of White's Creek; Devil's Canyon Mts. 2072 Comment
  HSC26256  Limnanthes douglasii Thomas W. Nelson 1971-5-9 441 Trinity Forest Glenn Comment
  RSA20946  Limnanthes douglasii Carl B. Wolf 1937-6-20 8919 Trinity Along Mad River, 5 8/10 mi. above Eureka - Red Bluff Road on Road to Ruth. 457 Comment
  JEPS58268  Linanthus bolanderi Joseph P. Tracy 1932-6-17 10164 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  UC130611  Linnaea borealis var. longiflora H. M. Hall July, 1909 8535 Trinity Coffee Creek Basin; Salmon Mountains, Coffee Creek Basin 1219 Comment
  CAS-BOT-BC111969  Lipocarpha micrantha John Thomas Howell 1936-8-25 12773 Trinity Near Trinity Center Comment
  UC1103029  Listera convallarioides Joseph P. Tracy 1937-7-29 15567 Trinity South Fork Mountain Northern Coast Ranges 1341 Comment
  UC184644  Listera convallarioides Harry S. Yates 1914-7-23 548 Trinity Camp at Smith Creek Smith Creek Comment
  UC1193054  Lithocarpus densiflorus R. E. Nelson 1950-7-27 151 Trinity Trinity County line 609 Comment
  HSC59992  Lithophragma affine J. O. Sawyer, R. J. Cole 1978-4-20 3116 Trinity Above Hwy. 299 at White's Bar. Comment
  HSC23581  Lithophragma bolanderi J. O. Sawyer 1970-4-18 2502 Trinity Slopes above New River at its junction with the Trinity River. 244 Comment
  CAS-BOT-BC482433  Lithophragma campanulatum Dana York 2010-5-8 2997 A Trinity Shasta-Trinity National Forest, ca. 1.2 km NE of New River/Trinity River confluence on spur ridge between the rivers 240 Comment
  UC1051523  Lithophragma campanulatum Helen K. Sharsmith 1953-6-27 4380 Trinity 2 mi below Pickett Peak (on Horse Ridge leading s from South Fork Mountain); Trinity National Forest 1676 Comment
  UC922307  Lithophragma campanulatum Annie M. Alexander and Louise Kellogg 1949-7-13 5794 Trinity nw Trinity Center (Union Creek, S branch of Coffee Creek, near top of trail to Bear Lake); Union Creek, South branch of Coffee Creek, trail to Bear Lak 1828 Comment
  HSC655  Lithophragma glabrum William J. Ferlatte 1967-7-6 633 Trinity Head of Bullards Basin 1982 Comment
  JEPS47646  Lithophragma glabrum Joseph Burtt Davy and Walter C. Blasdale 1899-5 5793 Trinity Trinity Summit; North Coast Ranges, Trinity Summit Comment
  CAS-BOT-BC435440  Lithophragma glabrum Ella Dales Cantelow 1939-6-8 2671 Trinity South Fork Mt., Blake Lookout Rd. Comment
  HSC24055  Lithophragma heterophyllum J. O. Sawyer 1970-4-18 2487 Trinity Above New River. 244 Comment
  HSC24142  Lithophragma heterophyllum J. O. Sawyer 1970-5-23 2603 Trinity Above New River 244 Comment
  CAS-BOT-BC437760  Lithophragma parviflorum Herb. G. R. Kleeberger 1880-1-1 s.n. Trinity Unspecified. Comment
  CAS-BOT-BC325948  Lithospermum californicum G. R. Kleeberger 1880-5-1 s.n. Trinity Weaverville Comment
  CAS-BOT-BC325950  Lithospermum californicum Anna Junkens 1915-4-22 s.n. Trinity Weaverville Comment
  SEINET200726 Image available Logfia filaginoides Joseph P. Tracy 1925-1 6988 Trinity Hennessey Rd leading up S Fork of Trinity River 610 Comment
  HSC39418  Lomatium californicum Thomas W. Nelson, James Nelson 1976-6-10 2683 Trinity Ridge above Senteney Rock 1555 Comment
  HSC52734  Lomatium californicum G. L. Clifton, Overton 1979-6-4 3955 Trinity Near Van Duzen River, close to the town of Geyserville 853 Comment
  CAS-BOT-BC229151  Lomatium californicum Eugene Carter 1974-5-29 765 Trinity Salmon-Trinity Alps and vicinity. Along the Morrison Gulch Trail 1722 Comment
  JEPS2707  Lomatium ciliolatum W. L. Jepson 1897-7-24 14319 Trinity near summit South Yollo Bolly (Soldier's Ridge, se Trinity County); Soldier's Ridge; Soldier's Ridge, near summit of S Yallo Bally 2133 Comment
  HSC74186  Lomatium ciliolatum var. ciliolatum Gail Newton 1980-7-3 986 Trinity Near Horsehead Mtn. 1753 Comment
  UC1299235  Lomatium ciliolatum var. ciliolatum Freed W. Hoffman 1949-7-13 3004 Trinity Perry Salt Log 9.1 miles along road to Mt. Lassic from Zenia Fire Guard Station North Coast Ranges 1219 Comment
  UC923148  Lomatium ciliolatum var. ciliolatum Freed W. Hoffman 1950-7-4 3263 Trinity trail to Black Rock along ridge from The Gap Yolla Bolly Mts.; North Coast Ranges, Yolla Bolly Mts. Comment
  HSC44813  Lomatium engelmannii Barbara Kelly 1978-6-24 598 Trinity Road to Grouse Creek from Scott Mtn. Summit, 0.25 mi. E of Hwy 3 1677 Comment
  POM298646  Lomatium engelmannii Lincoln Constance, Shan 1946-6-1 s.n. Trinity Between Coffee and Eagle Creeks, 6 miles north of Carrville 915 Comment
  SEINET196138  Lomatium engelmannii Lincoln Constance, Ren Hwa Shan 1946-6-1 3065 Trinity Between Coffee and eagle creeks 6 miles north of Carrville. 914 Comment
  RSA275328  Lomatium engelmannii B. Kelly 1977-5-21 481 Trinity Dirt road to Grouse creek from summit of Scott Mountain, about 1 mile from Hwy 3. Comment
  UC1197157  Lomatium macrocarpum Joseph P. Tracy 1935-8-7 14642 Trinity head of White's Creek (Devil's Canyon Mts.); , White's Creek 2072 Comment
  UC875152  Lomatium macrocarpum Alice Eastwood and John Thomas Howell 1937-6-25 4976 Trinity between Eagle & Bear Creeks Comment
  HSC34479  Lomatium macrocarpum J. D. Ackerman 1974-4-28 206 Trinity Gray's Falls, Six Rivers National Forest, above the Trinity River Gorge S side, near confluence with the New River Comment
  CHSC30148  Lomatium nudicaule M. S. Taylor 1980-6-11 2848 Trinity On e side of Underwood Mt Rd (5N09), ca. 1/2 mi e of its jct with Trinity Hwy (299) at Burnt Ranch, on e-facing slope in open wooded slope. 396 Comment
  HSC47764  Lomatium tracyi Thomas W. Nelson, J. P. Smith 1978-5-6 3991 Trinity Blue Point 1555 Comment
  HSC70072  Lomatium tracyi Thomas W. Nelson, Jane P. Nelson 1978-6-23 4376 Trinity N of Red Mtn. along road from Red Mtn. to Hell to Find Lake 1616 Comment
  HSC71891  Lomatium tracyi Thomas W. Nelson, Jane Nelson 1980-6-22 5775 Trinity Shasta-Trinity National Forest, along Rd. 29N73, 0.9 mi. from Red Mountain. 1677 Comment
  JEPS111038  Lomatium tracyi Sue Pappalardo 1995-6-28 731 Trinity Hayfork Ranger District; Approx. 9 miles SW of Hayfork Ranger Station. Friend Mountain. NW side of FS road 2N15, 0.8 miles south of junction with 2N16. Opposite side of road from ERLI4 pop. #14-39. 1400 Comment
  UC647480  Lomatium tracyi Joseph P. Tracy 1935-8-3 14462 Trinity Mary Blaine Mt. 1950 Comment
  UCD127717  Lomatium tracyi Joseph M. DiTomaso 1976-7-8 605 Trinity Trinity Alps; Parker Creek Trail, just below Parker Divide. 1981 Comment
  HSC82016  Lomatium triternatum Thomas W. Nelson, Jane P. Nelson 1980-5-30 5378 Trinity Along FS 4N09, 1.0 mi. from junction with road 60, above Eltapom Creek 945 Comment
  UC1123042  Lomatium triternatum var. macrocarpum P. L. Johannsen 1932-5-27 93 Trinity Trinity Range, Weaverville Quad. 1219 Comment
  HSC21537  Lomatium triternatum var. triternatum R. Spellenberg 1965-6-15 1143 Trinity About 50 yards N of Hidden Lake, SW of Burnt Ranch on Underwood Mt. Comment
  JEPS17010  Lomatium triternatum var. triternatum Joseph P. Tracy 1923-6-28 6389 Trinity Northern Coast Ranges, Burnt Ranch 457 Comment
  HSC74020  Lomatium utriculatum R. York 1980-5-24 714 Trinity Near Long Ridge. 1036 Comment
  HSC22785  Lomatium utriculatum D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5294 Trinity South Fork Mountain, along FS 1S02, the road to Pickett Peak, 0.4 mi. from its junction with Hwy. 36 Comment
  UC184805  Lonicera ciliosa Harry S. Yates 1914-5-20 330 Trinity East Weaver Creeks 762 Comment
  UC922474  Lonicera conjugialis Annie M. Alexander and Louise Kellogg 1949-7-13 5797 Trinity nw Trinity Center (on trail to Bear Creek, South branch of Coffee Creek); Union Creek 1828 Comment
  HSC59721  Lonicera hispidula var. vacillans Clark L. Miller 1979-5-26 2157 Trinity Path leading to suspension bridge above Trinity River from Grays Falls Campground. Comment
  CAS-BOT-BC240857  Lonicera interrupta Mrs. H. C. Cantelow 1935-6-13 858 Trinity Nr. Junction City Comment
  HSC74061  Lotus humistratus M. A. Baker 1980-5-24 1457 Trinity Near Long Ridge. 1006 Comment
  UC184298  Lotus humistratus Harry S. Yates 1914-5-18 302 Trinity n of Weaverville Comment
  UC303188  Lotus humistratus Joseph P. Tracy 1923-6-30 6442 Trinity near summit on Weaverville Road; Northern Coast Ranges, Hay Fork Mountain 1097 Comment
  RSA406399  Lotus micranthus Carolyn Sanford 1977-5-21 380 Trinity Eagle Creek Campground 851 Comment
  SDSU4298  Lotus nevadensis var. nevadensis D. F. Howe 1963-7-8 3715 Trinity 6.7 miles east of Humboldt-Trinity Co. line on Cal. #36. 1067 Comment
  RSA49924  Lotus oblongifolius var. nevadensis E. K. Balls 1949-7-6 13857 Trinity Trinity River 1 mile beyond Eagle Creek, north of Trinity Center. 793 Comment
  SFV5111  Lotus oblongifolius var. oblongifolius B. C. Templeton 1957-6-21 s. n. Trinity Near the summit of Mount Scott. Comment
  UC651921  Lotus pinnatus Hugh and Margaret Dearing 1939-6-26 3721 Trinity Blake Look-Out Comment
  SEINET12154272  Lotus purshianus J. P. Tracy 1949-1 18363 Trinity nr "Buck Spring", 1miS of Racetrack, South Fork Mt Comment
  HSC56710  Lotus unifoliolatus var. unifoliolatus Gilbert Muth 1979-7-17 8312 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  HSC72655  Lotus unifoliolatus var. unifoliolatus Gail Newton 1980-6-26 646 Trinity Near Underwood Creek. 451 Comment
  CAS-BOT-BC140215  Luetkea pectinata P. A. Munz 1951-7-21 16766 Trinity Fisher Ridge, North Yolla Bolly Mts. 2194 Comment
  HSC78362  Luetkea pectinata John Palmer 1974-9-14 270 Trinity Bear Lakes area, S of Big Bear Lake 1951 Comment
  HSC78790  Luetkea pectinata John S. Palmer 1973-9-7 168 Trinity Bear Lakes Area, S side of Little Bear Lake 1860 Comment
  CAS-BOT-BC342535  Luina hypoleuca H. M. Pollard 1953-8-22 s.n. Trinity Scenic Trail, above Trinity Alps Resort 1371 Comment
  HSC40414  Luina hypoleuca J. O. Sawyer 1973-7-1 2528 Trinity Butter Creek falls on rock outcrop S of Hyampom Comment
  HSC41989  Lupinus albifrons Ed Cope 1977-5-7 64 Trinity Blue Point on Blue Point Ridge 1573 Comment
  SBBG8938  Lupinus albifrons H. and M. Dearing 1939-6-24 3704 Trinity Mad River Public Camp, E of Bridgeville Comment
  SD42524  Lupinus albifrons Carl B. Wolf 1937-6-20 8931 Trinity North Coast Range, along Mad River, 5 8/10 mi above Eureka - Red Bluff Road on road to Ruth. 1500 Comment
  RSA407006  Lupinus albifrons var. albifrons Thomas W. Nelson, James Nelson, A. P. Nelson 1976-6-10 2677 Trinity Above Senteney Rock. 1555 Comment
  SEINET12154366  Lupinus andersonii J. P. Tracy 1941-1 17021 Trinity South Fork Mtn, nr Cold Springs. nr Blake Lookout 1646 Comment
  HSC73183  Lupinus bicolor R. York 1980-5-25 804 Trinity Near Browns Canyon 823 Comment
  SBBG83849  Lupinus bicolor R. James, M. Goering, S. Matthews 1985-4-20 10 Trinity Steelbridge Cmpgrd, 5 mi N of Hwy 299 609 Comment
  HSC40914  Lupinus bicolor J. P. Smith, J. O. Sawyer 1975-5-18 2693 Trinity Old hydrolic mining site SW of Big Bar Comment
  HSC81875  Lupinus bicolor Thomas W. Nelson, Dave Gordan 1980-5-7 5176 Trinity E side of Vista Lane, 5 mi. N of junction with Highland Dr., 3 mi. N of Hyampom Rd. 671 Comment
  CAS-BOT-BC215349  Lupinus croceus Elizabeth McClintock 1956-6-16 s.n. Trinity Road along Coffee Creek, above Coffee Creek Ranch Comment
  UC922461  Lupinus croceus Annie M. Alexander and Louise Kellogg 1949-7-11 5786 Trinity n.w. Trinity Cener (Union Creek - S. branch of Coffee Creek); Union Creek 1828 Comment
  JEPS102267  Lupinus croceus var. croceus L. P. Janeway 1996-6-13 5017 Trinity Klamath Mountains. Along County-line Road at Linton Ridge, 9.8 road miles north of Trinity Mountain. 1310 Comment
  CAS-BOT-BC8205  Lupinus croceus var. pilosellus Alice Eastwood; John Thomas Howell 1937-6-25 4965 Trinity Between Eagle and Bear Creeks Comment
  SEINET10485174  Lupinus croceus var. pilosellus Neson 1979-6-15 NESON 4839 Trinity Bonanza king quad. T39n, r7w, sec 34. Mouth of bear creek in mixed evergreen Forest. 914 Comment
  CAS-BOT-BC202062  Lupinus lapidicola Eugene Carter 1972-6-21 454 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) 2 mi west of Hobo Gulch 1691 Comment
  JEPS75966  Lupinus lapidicola William J. Ferlatte 1976-7-8 1795 Trinity near head Parker Creek (a tributary of Parker Creek); Trinity Alps, nr head Parker Cr, tributary of Swift Creek 1920 Comment
  HSC36244  Lupinus latifolius John Rehling 1975-5-15 75 Trinity Grays Falls Campground E of the town of Salyer. Comment
  HSC71134  Lupinus latifolius Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4493 Trinity Along Bully Choop Rd. 2 mi. from rd. to lookout. 1372 Comment
  HSC92472  Lupinus latifolius subsp. latifolius Jennifer Whipple 1977-7-22 2070 Trinity W and SW facing slope above Deadfall Creek 2195 Comment
  JEPS65270  Lupinus latifolius var. latifolius W. L. Jepson 1902-7-8 1991 Trinity near summit New River trail (Dyer's Ranch to Hawkins Bar); near summit of New River trail 1219 Comment
  UC1223289  Lupinus latifolius var. viridifolius Joseph P. Tracy 1933-7-15 12760 Trinity 2 mi n of head of 8-mile ridge South Fork Mountain; , n of head of 8-mile ridge 1645 Comment
  UC303156  Lupinus latifolius var. viridifolius Joseph P. Tracy 1923-6-30 6438 Trinity near summit on Weaverville Road Hay Fork Mountain; Northern Coast Ranges, Hay Fork Mountain 1097 Comment
  HSC69971  Lupinus leucophyllus Thomas W. Nelson, Jane P. Nelson 1978-6-21 4231 Trinity Along Hwy. 3, 0.25 mi. E of Hayfork Summit 1037 Comment
  SEINET10485537  Lupinus leucophyllus var. belliae Thomas W. Nelson, Jane P. Nelson 1978-6-21 Nelson 4231 Trinity T32n, r10w, sec 28. Along state rte 3, 1/4 mi. E of hayfork summit. Serpentine. Banner pink, keel & wings white. 1036 Comment
  HSC30179  Lupinus lyallii William J. Ferlatte, Alice Q. Howard 1970-8-11 1301 Trinity Ridge W of summit 2591 Comment
  JEPS88988  Lupinus microcarpus var. densiflorus Sue Pappalardo 1993-5-20 386 Trinity along State Highway 3 about halfway between Hayfork and Weaverville near (above) Browns Creek, Hoosimbim Mtn, Quad. (649-3) Browns Creek; Shasta-Trinity National Forests 550 Comment
  SEINET10486170  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1982-5-15 Nelson 6814 Trinity In and about Big Bar Campground. Mixed evergreen forest. 457 Comment
  HSC86346  Lupinus sellulus subsp. sellulus J. O. Sawyer, B. Bingham 1984-7-14 4249 Trinity Trinity/Tehama County line. Yolla Bolly Wilderness; between Solomon Peak and Sugarloaf Mtn. Comment
  HSC67048  Lupinus sellulus var. sellulus Thomas W. Nelson, J. O. Sawyer 1978-6-9 4106 Trinity N of Three Forks of Mad River at Secret Gulch 610 Comment
  RSA113220  Lupinus subvexus var. subvexus E. K. Balls, Lee W. Lenz, B. K. Balls 1955-5-15 20713 Trinity 1 mi. w. of Junction City, along U.S. Hwy. 299 to Helena. 335 Comment
  SEINET10486294  Lupinus tracyi Thomas W. Nelson 1979-7-11 Nelson 5025 Trinity Salmon mtn quad. Dry ridge along trail to north trinity mountain just n of jct With trail out devil's backbone. Corolla white to light blue. 1798 Comment
  HSC78269  Luzula comosa John S. Palmer 1976-7-4 457 Trinity Bear Lakes area, alluvial fan along Horse Creek. 1585 Comment
  UCR37809  Luzula comosa D. K. Imper 1982-5-11 1466 Trinity Near Raglan Gulch. 1066 Comment
  HSC59231  Luzula comosa Marla J. Carollo 1979-5-11 99 Trinity 3.9mi S from junction with Hwy. 30 on Deer Lick Springs Rd. Comment
  HSC77502  Luzula comosa L. P. Janeway 1983-4-30 244 Trinity At Burnt Ranch USFS campground 412 Comment
  HSC90032  Luzula comosa Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-17 8 Trinity 2.8mi W of Gray's Falls Campground on Hwy. 299, Icebox Creek 280 Comment
  UCD142070  Luzula comosa E. Dean 1988-6-8 27 Trinity South Fork Mountain; Pickett Peak; Road to Pickett Peak lookout, 0.5 mile SE from turnoff to Pickett Peak Campground, East side of road. 1706 Comment
  CHSC115858  Luzula comosa var. laxa Peter F. Zika 2013-6-27 26242 Trinity Trail N of North Yolla Bolly Mountain, 2 air km E of Black Rock Mountain, North Coast Range Highlands. 1890 Comment
  UC429142  Luzula comosa var. laxa J. B. Davy 1899-6-21 5828 Trinity Trinity Summit Comment
  HSC78865  Luzula divaricata John S. Palmer 1976-7-5 472 Trinity Bear Lakes Area, basin NW of Bear Lake 1951 Comment
  SD88467  Lysichiton americanus Darley F. Howe 1972-6-30 Trinity Comment
  HSC97242  Madia doris-nilesiae Thomas W. Nelson, Jane Nelson 2003-6-16 9144 Trinity Along Forest Service road 29N33, 1 mi. W of junction with Forest Service road 29N34. 1540 Comment
  HSC70090  Madia elegans Thomas W. Nelson, Jane P. Nelson 1978-6-21 4253 Trinity At Philpot Campground 762 Comment
  OBI15731  Madia elegans Carl B. Wolf 1937-6-20 8957 Trinity North Coast Range, 4-2/10 mi S of Zenia on Covelo Rd Comment
  RSA554585  Madia elegans subsp. elegans Walter Wisura 1993-5-9 4903 Trinity Hwy 299, 72.5 mi W of Redding. Comment
  RSA79075  Madia elegans subsp. elegans E. K. Balls, L. W. Lenz 1952-5-13 17232 Trinity 5.3 miles north from Junction City (Highway 299) along Canyon Creek to Dedrick Comment
  CAS-BOT-BC344560  Madia exigua Volney Rattan 1883-6-1 22 Trinity Hyampom Comment
  HSC57290  Madia exigua Walter Overton 1979-7-18 8704 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  HSC46877  Madia glomerata William J. Ferlatte 1976-9-21 1837 Trinity Big Flat at head of Coffee Creek; SE side of ephemeral pond (Lake Martin), on E side of Coffee Creek Rd. 1524 Comment
  HSC72727  Madia gracilis Gail Newton 1980-7-2 891 Trinity Near Swim Ridge 1341 Comment
  HSC73492  Madia gracilis Gail Newton 1980-7-13 1403 Trinity Near Red Rock. 1509 Comment
  JEPS128451  Madia gracilis Julie Kierstead Nelson with Dylan Burge, Lusetta Sims, Jenny Cribbs 2015-6-4 2015 -050 Trinity East slope of Trinity Alps, west of Trinity Lake, south of road to Stonewall Pass trailhead, spur off Road 35N73Y. Comment
  UC130579  Madia gracilis H. M. Hall July 1909 8550 Trinity Nash Mine, Coffee Creek Salmon Mountains, Nash Mine, Coffee Creek 1249 Comment
  HSC68150  Madia gracilis J. P. Smith 1975-5-17 8129 Trinity Just N of the confluence of Ditch Gulch and Salt Creek on Hwy. 3 near Peanut 770 Comment
  CHSC79688  Madia stebbinsii Thomas W. Nelson; Jane P. Nelson 1978-6-23 4382 Trinity Between Forest Service Roads 29 and 3; just north of East Fork of Smokey Creek. 1402 Comment
  HSC59947  Maianthemum racemosum subsp. amplexicaule M. A. Ericksen 1979-6-22 348 Trinity Horsehead Mtn. 1784 Comment
  CAS-BOT-BC512865  Maianthemum stellatum Milo S. Baker 1926-7-23 s.n. Trinity S. Fork Mt. - near Dutchmen's cabin Comment
  CAS-BOT-BC514204  Maianthemum stellatum John Gray 1911-7-1 159 Trinity Herbarium of the Forest Service, Trinity Forest 731 Comment
  RSA50056  Maianthemum stellatum E. K. Balls 1949-7-1 13737 Trinity Above Canyon Creek Meadow, trail to lakes. 1402 Comment
  CHSC80156  Malacothrix floccifera L. P. Janeway 1996-6-13 5013 Trinity Klamath Mountains. Fairview Ridge and south-facing canyon slope of Papoose Creek; along Papoose Creek Road (Road 34N30) 5.4 mi west of Trinity Mountain and County-line Road. 830 Comment
  HSC42583  Malacothrix floccifera Robert M. Specht 1977-6-28 1116 Trinity Comment
  HSC73370  Malacothrix floccifera R. York 1980-5-25 770 Trinity Near Shannon Butte 914 Comment
  JEPS8334  Malva neglecta Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez and S. Carlquist 1951-6-12 3389 Trinity Wildwood, in courtyard of Wildwood Resort Wildwood; , Wildwood Resort 1005 Comment
  UCR37957  Matricaria matricarioides Brian Kearney, Mike Malamus, Peter Williams 1984-5-12 37 Trinity North Coast Range, Basin Gulch Campground. Near creek 915 Comment
  UC2046575  Melica William J. Ferlatte 1974-7-26 1596 Trinity near Big Flat Campground Comment
  CAS-BOT-BC271122  Melica bulbosa Joseph P. Tracy 1935-8-5 14545 Trinity Head of White's Creek, Devil's Canyn Mts. 2072 Comment
  CAS-BOT-BC269529  Melica californica David D. Keck 1949-7-21 6394 Trinity Haman Ridge, ca. 4 mi. S. of Hoaglin (13 mi. S. of Zenia Guard Station), on sharp ridge between Kekawaka Creek on W. (which runs into Middle Fork of Eel) and Salt Creek on E. (which runs into No. Fork of Eel) 1036 Comment
  UCD87140  Melica californica David D. Keck 1949-7-21 6394 Trinity Between Kekawaka Creek on W (which runs into Middle Fork of Eel R) and Salt Creek on E (which runs into North Fork of Eel), Haman Ridge, 4 mi. S of Hoaglin (13 mi. S of Zenia Guard Station). 1036 Comment
  CHSC6106  Melica frutescens A. R. Jaegel 1968-4-27 138 Trinity In field 10 mi w of Platina on hwy. 36. Comment
  UC1145130  Melica fugax Joseph P. Tracy 1942-7-2 17379 Trinity Race Track; South Fork Mountain 1676 Comment
  HSC42537  Melica geyeri Barbara Kelly 1977-5-21 462 Trinity Eagle Creek Campground. 851 Comment
  HSC53450  Melica geyeri G. L. Clifton, Overton 1979-6-4 4027 Trinity Near Van Duzen River, close to the town of Alderponit. 854 Comment
  CAS-BOT-BC281393  Melica harfordii Eugene Carter 1972-6-20 438 Trinity N Fork Trinity River, Hobo Gulch Camp and vicinity (18 miles NW of Weaverville), Hobo Gulch Helispot 914 Comment
  HSC72541  Melica harfordii Gail Newton 1980-7-1 805 Trinity Near Hayden Roughs. 1250 Comment
  POM204800  Melica spectabilis Jos Burtt Davy, Blasdale 1899-6-21 s.n. Trinity Trinity Summit Comment
  JEPS95009  Mentha pulegium Vernon Oswald and Lowell Ahart 1997-7-17 8767 Trinity Mad River Road at Ruth Reservoir Dam, along this section of highway Ruth Reservoir Dam; Mad River Road at Ruth Reservoir Dam 249 Comment
  HSC15832  Mentzelia laevicaulis L. K. Weld 1967-7-17 17 Trinity 17.44 mi. E of Humboldt-Trinity Co. line on Hwy. 299 Comment
  CAS-BOT-BC428962  Micranthes californica Eugene Carter 1972-4-26 392 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) 3 miles up the Hobo Gulch Road. 762 Comment
  CAS-BOT-BC428988  Micranthes ferruginea P. A. Munz 1951-7-20 16746 Trinity Head of Patty John Basin, North Yolla Bolly Mts. 2072 Comment
  UCD102848  Micranthes nidifica Joseph M. DiTomaso 1975-6-24 49 Trinity Trinity Alps; below Gibson Meadows on Granite Creek Trail. 1767 Comment
  UCD102864  Micranthes odontoloma Joseph M. DiTomaso 1976-7-13 626 Trinity At creek crossing just beyond Upper Bear Basin Meadows. 1981 Comment
  HSC23597  Micropus californicus var. californicus J. O. Sawyer 1970-5-23 2550 Trinity Above New River 244 Comment
  HSC45578  Micropus californicus var. californicus Diane L. Reed 1978-5-7 63 Trinity 2 mi. up Friday Ridge Rd. from Hwy. 299 Comment
  HSC64398  Microseris nutans J. O. Sawyer, R. J. Cole 1978-4-20 3142 Trinity Todd's Cabin, along E Fork of N Fork of Trinity River 762 Comment
  JEPS100209  Microseris nutans Dean W. Taylor 2002-6-10 18115 B Trinity Highway 3 about 5 miles S of Trinty Center, near the junction of a logging road, west of the highway 822 Comment
  UC130575  Microseris nutans H. M. Hall July, 1909 8642 Trinity Head of Parker Creek Salmon Mountains 1981 Comment
  HSC28254  Microsteris gracilis J. P. Smith 1973-4-7 5991 Trinity New River trail from Grays Falls Campground on the N side of the Trinity River and W side of the New River 244 Comment
  HSC28773  Microsteris gracilis J. P. Smith 1973-4-21 6217 Trinity Big Bear Lake trail, N of Eagle Creek Campground 1037 Comment
  HSC42450  Microsteris gracilis Barbara Kelly 1977-5-7 433 Trinity Blue Point on Blue Point Ridge 1573 Comment
  UC1196801  Mimulus breweri Joseph P. Tracy 1935-8-7 14639 Trinity at head White's Creek; Devil's Canyon Mts. 2072 Comment
  UC2046546  Mimulus douglasii William J. Ferlatte 1975-5-21 1689 Trinity canyon of the Stuart Fork of the Trinity River Comment
  HSC90177  Mimulus guttatus Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-28 68 Trinity Hwy. 299, 1 mi. W of Oregon Mtn. Summit 610 Comment
  UCR37874  Mimulus kelloggii Brian Kearney, P. Williams, Mike Malamus 1984-5-12 48 Trinity Basin Gulch Campground. Drainage gulch. 815 Comment
  SFV8683  Mimulus kelloggii J. K. Clark 1966-4-16 11 Trinity Canyon Creek Road, 5 miles north of Junction City. Dry, south facing road bank. 686 Comment
  HSC71055  Mimulus layneae Thomas W. Nelson, Jane P. Nelson 1978-6-23 4338 Trinity Along road to Hell to Find Lake. Comment
  HSC72732  Mimulus layneae Gail Newton 1980-7-2 945 Trinity Near N Kelsey Peak 1463 Comment
  JEPS86906  Mimulus layneae David M. Thompson 1989-7-2 1031 Trinity w Peanut (across paved road leading to Philpot Campground) 2900 Comment
  UC922552  Mimulus layneae Annie M. Alexander and Louise Kellogg 1948-8-14 5490 Trinity Stuarts Fork Trinity River Trinity Mountains 762 Comment
  HSC63818  Mimulus layneae M. A. Baker 1979-7-3 992 Trinity Base of Hetten Rock Comment
  RSA67549  Mimulus moschatus P. A. Munz 1951-7-17 16585 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1433 Comment
  UC2046551  Mimulus moschatus William J. Ferlatte 1974-8-16 1664 Trinity upper end of Siligo Meadows Comment
  UCD122824  Mimulus moschatus Joseph M. DiTomaso 1975-8-20 276 Trinity Deer Creek Trail, 1 mile west of Willow Creek. 1524 Comment
  HSC68690  Mimulus nanus var. nanus Thomas W. Nelson, D. Gordon 1980-6-10 5575 Trinity Shasta-Trinity National Forest, along FS Rd. 1N05 at the copper mine along Copper Mine Hill 1463 Comment
  HSC40931  Mimulus primuloides J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-29 2672 Trinity Along Swift Creek Trail, 0.5 mi. from trailhead. 1341 Comment
  JEPS11004  Mimulus primuloides subsp. primuloides W. L. Jepson 1897-7-24 52 m Trinity Soldier's Ridge Comment
  HSC44822  Mimulus primuloides var. linearifolius Thomas W. Nelson, Jane P. Nelson 1977-8-6 3691 Trinity N side of Mule Ridge 1555 Comment
  RSA434719  Mimulus primuloides var. linearifolius Thomas W. Nelson, Jane P. Nelson 1977-7-30 3679 Trinity Along South Fork of Black Lassic Creek. 1463 Comment
  HSC68654  Mimulus pulsiferae Thomas W. Nelson, Jane P. Nelson 1980-6-18 5564 Trinity Along Rd. 2N10 4 mi. N of Indian Valley Guard Station, just S of junction with Rd. 2N01 1341 Comment
  UC1196784  Mimulus pulsiferae Joseph P. Tracy 1936-8-8 15135 Trinity on ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  HSC91058  Mimulus tilingii Jennifer Whipple 1976-8-19 1690 Trinity Near the upper Deadfall Lakes 2317 Comment
  HSC67300  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1980-6-17 5509 Trinity Shasta-Trinity National Forest, along Salt Creek Rd. at junction with FS Rd. 30N24 945 Comment
  HSC68760  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1980-6-17 5527 Trinity Shasta-Trinity National Forest, along FS Rd. 1N12, 1.1 mi. from junction with FS Rd. 2N07 1006 Comment
  HSC71837  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1980-6-27 5961 Trinity Ridge extending SW from Black Lassic 1677 Comment
  UC130718  Minuartia nuttallii subsp. gregaria H. M. Hall July, 1909 8578 Trinity summits near Dorleska; Salmon Mountains 2194 Comment
  HSC65023  Minuartia nuttallii subsp. gregaria D. L. Goforth 1979-6-15 175 Trinity Trinity Alps Wild Area, N of Landers Lake 2165 Comment
  UC1299496  Minuartia nuttallii subsp. gregaria Freed W. Hoffman 1948-7-14 2662 Trinity 16.6 mi w Castella (on Castella-Trinity River road 3 mi w of summit); North Coast Ranges 1630 Comment
  HSC71887  Minuartia rosei Thomas W. Nelson, Jane P. Nelson 1980-6-22 5779 Trinity Shasta-Trinity National Forest, along Rd. 29N73, 0.9 mi. from Red Mountain. 1677 Comment
  UC1111619  Minuartia rosei Lewis S. Rose 1955-7-18 55126 Trinity 1 mi sw Peanut 762 Comment
  CAS-BOT-BC433082  Mitella trifida H. M. Hall 1909-7-1 8627 Trinity Salmon Mountains. Union Creek Comment
  SEINET11261949  Mollugo verticillata Robert L. Johnson, Mikel R. Stevens 2015-7-12 3964 Trinity Drawdown area of Trinity Lake (Clair Engle Lake). 12.3 rd mi N of jct with Hwy 299, downtown Weaverville, on CA-3. Vicinity of Tanbark Picnic Area.; 0 706 Comment
  POM299292  Monardella odoratissima subsp. glauca H. C. Cantelow 1940-7-13 s.n. Trinity Summit of Scott Mtn. Comment
  UCD125212  Monardella odoratissima subsp. pallida Joseph M. DiTomaso 1976-7-6 557 Trinity Trinity Alps, Parker Meadows on Swift Creek Trail. 1615 Comment
  UCR4997  Monardella odoratissima subsp. pallida Eugene Cardiff 1966-7-22 s.n. Trinity Salmon Mountains, Big Flat Camp 400 Comment
  HSC32562  Monardella odoratissima subsp. pallida Thomas W. Nelson 1973-7-10 1035 Trinity Along Mule Ridge SE of Red Lassic Comment
  JEPS104999  Monardella purpurea Dean W. Taylor 1996-7-26 15849 Trinity Trinity Mtns.; Cedar Creek along Forest Road 40N45 (about 10 air miles southwest of Weed); Shasta-Trinity National Forest. 1981 Comment
  CAS-BOT-BC220248  Monardella sheltonii Richard Spellenberg 1965-6-17 1156 Trinity In Trinity River Gorge, about 1/10 mi. downstream from mouth of New River, Burnt Ranch Comment
  CAS-BOT-BC220250  Monardella sheltonii Eugene Carter 1971-7-28 322 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) Along the Hobo Gulch Road at Blue Ridge 1112 Comment
  HSC64998  Monardella sheltonii D. L. Goforth 1979-7-21 292 Trinity Trinity Alps Wilderness Area. 1890 Comment
  UCD125242  Monardella sheltonii Dean Wm. Taylor; Kathleen A. Teare 1979-9-13 7701 Trinity Smoky Creek headwaters (ca. 8 miles southeast of Forest Glen). 1158 Comment
  SEINET12326757  Monardella villosa subsp. sheltonii M. S. Taylor 1982-1 5171 Trinity T32N R10W NW sec12, Weaverville quad. Douglas City Recreation Area (BLM Campground), ca 0.5mi SW of* 488 Comment
  UC2035923  Monardella villosa subsp. villosa C. Epling, Wm. Robison 1935-7-21 Trinity Trinity River 50 miles the east of the Coast. Comment
  HSC63152  Monotropa hypopitys M. A. Baker 1979-6-30 968 Trinity Above FS 7N26, 0.8 km. S of Happy Camp 1180 Comment
  CAS-BOT-BC444881  Montia fontana John Thomas Howell 1954-4-26 29173 Trinity 10 miles from Douglas City on road to Redding Comment
  CHSC31190  Montia parvifolia M. S. Taylor 1980-6-11 2841 Trinity On n facing rocky wall in vernally moist moss, s side of Hwy 299 at Cedar Flat, ca. 3 mi e of Burnt Ranch. 304 Comment
  SEINET10572669  Montia parvifolia Mary Merello 1993-6-21 Merello 684 Trinity Shasta-Trinity National Forest. Along Rush Creek Road (also road to Lewiston) off State Hwy. 3 NW of Weaverville. Mixed conifer-mixed hardwood forest. Disturbed. Along Rush Creek. 620 Comment
  HSC30261  Montia parvifolia William J. Ferlatte 1972-8-7 1418 Trinity Boulder Creek Lakes 1738 Comment
  UCD101763  Montia parvifolia Joseph M. DiTomaso 1976-6-29 523 Trinity Emerald Lake. 1676 Comment
  JEPS121597  Muhlenbergia andina Jennifer Buck, Danielle Roach 2009-8-26 Trinity Headwaters West Branch Crow Creek, 1 mile south of Mumbo Basin, The Eddys. Sloping fen on gabbro, SW aspect. Mumbo Basin quadrangle. WBCC01A Comment
  HSC92624  Muhlenbergia filiformis Jennifer Whipple 1977-9-9 2298 Trinity Klamath Mountains, Mount Eddy. Near the upper Deadfall Lakes. 2317 Comment
  RSA67345  Muhlenbergia filiformis P. A. Munz 1951-7-22 16820 Trinity Patty John Basin, North Yolla Bolly Mountains. 1982 Comment
  CAS-BOT-BC94543  Muhlenbergia minutissima R. C. Wenk 2006-7-24 535 Trinity Trinity Alps, Coffee Creek, Big Flat Meadow, at N end of meadow 1524 Comment
  CAS-BOT-BC275184  Muhlenbergia montana Annie M. Alexander; Louise Kellogg 1948-8-5 5398 Trinity On slope W of Lower Canyon Lake 1737 Comment
  JEPS95329  Narthecium californicum Vernon H. Oswald and L. Ahart 1994-7-11 6388 Trinity T38N R6W Sec. 2, 5900 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta), 5.7 mi N of Castle Creek Rd. (Forest Rd. 25), W of Dunsmuir 1798 Comment
  RSA49786  Narthecium californicum E. K. Balls 1949-7-7 13880 Trinity Scott Mountain Camp Meadow, Scott Mountain 1616 Comment
  SBBG116561  Narthecium californicum D. Wilken with E. Painter 2003-7-17 16155 Trinity immediately S of Scott Mtn Cmpgrd near Scott Mtn Summit 1650 Comment
  CAS-BOT-BC516030  Narthecium californicum John Thomas Howell 1936-8-24 12732 Trinity Summit of Scott Mountain N of Carrville Comment
  UC1299598  Navarretia divaricata Freed W. Hoffman 1950-7-7 3685 Trinity Hayfork summit, on road to Douglas City North Coast Ranges Comment
  UC133777  Navarretia divaricata Mrs. M. H. Manning Jun 1901 101 Trinity Trinity Summit Comment
  UC906682  Navarretia divaricata Joseph P. Tracy 1941-8-24 17022 Trinity near Cold Springs; South Fork Mountain 1645 Comment
  SEINET7143601  Navarretia divaricata subsp. divaricata Joseph P. Tracy 1930-7-16 9108 Trinity South Fork Mountain.; 0 1524 Comment
  UCD39787  Navarretia heterodoxa Hoffman no date 866 Trinity Trinity quarry. Comment
  HSC72659  Navarretia intertexta Gail Newton 1980-6-26 643 Trinity Near Underwood Creek. 451 Comment
  HSC44285  Navarretia intertexta J. P. Smith, J. O. Sawyer 1970-5-31 3793 Trinity 1.4 mi. E of Sharber Slough near Salyer Comment
  POM73740  Navarretia leucocephala subsp. bakeri M. H. Manning 1901-06 s.n. Trinity Trinity Summit. Comment
  SEINET2440268  Navarretia linearifolia subsp. pinnatisecta Leigh A. Johnson 1994-7-12 94 -079 Trinity Trinity Natl. Forest, Trinity Alps vicinity.. To side of Long Canyon road ca. 2 miles from HWY 3, and 5 miles from Mule Creek at jct. of Long Canyon road and FS rd. 35N10.; 0 1060 Comment
  POM310906  Navarretia sinistra H. L. Mason 1950-7-15 14049 Trinity Summit of grade, Scott Mountain Comment
  CAS-BOT-BC232742  Navarretia sinistra subsp. pinnatisecta John Thomas Howell 1955-7-17 30719 Trinity Near Hayfork 731 Comment
  CAS-BOT-BC232754  Navarretia sinistra subsp. pinnatisecta Alice Eastwood; John Thomas Howell 1937-6-25 4933 Trinity Preacher Meadow Comment
  HSC85877  Nemophila heterophylla Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-7 18 Trinity End of South Fork Rd. (FS 5N03), trail to Hell's Half Acre Creek (Tr. #6E23); 1.2 km. from trailhead 400 Comment
  HSC85454  Nemophila parviflora var. austiniae Andrew Buchanan, et al. 1986-4-19 12 Trinity Burnt Ranch Campground in island turn around Comment
  RSA249371  Nemophila parviflora var. parviflora D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5652 Trinity Trinity-Humboldt Cos. Senteney Rock. A large barren Franciscan Rock along Swayback Ridge. Comment
  UC1043541  Nicotiana quadrivalvis P. C. Everett and E. K. Balls 1954-10-15 20302 Trinity 1.5 mi n Peanut (5.5 mi s of Hayfork on road to Peanut); ; 12/2/83 anther taken. Pollen slides to be provided.--P. Hall 792 Comment
  CAS-BOT-BC60600  Noccaea fendleri subsp. glauca Eugene Carter 1972-6-21 459 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 miles northwest of Weaverville). 1691 Comment
  CAS-BOT-BC60601  Noccaea fendleri subsp. glauca Alice Eastwood; John Thomas Howell 1937-6-25 4990 Trinity Scott Mountains of Carrville. Comment
  HSC67239  Noccaea fendleri subsp. glauca Thomas W. Nelson, D. Gordon 1980-5-8 5240 Trinity Along FS Rd. 2N18 above Corral Creek, 1 mi. from junction with FS Rd. 2N10 1159 Comment
  HSC68187  Notholithocarpus densiflorus var. echinoides J. P. Smith, J. O. Sawyer 1973-4-15 6123 Trinity Along Coffee Creek Rd., 1.4 mi. W of Hwy. 3 701 Comment
  CAS-BOT-BC140459  Oemleria cerasiformis G. R. Kleeberger 1879-9-1 s.n. Trinity unspecified Comment
  HSC42446  Oemleria cerasiformis Barbara Kelly 1977-5-8 424 Trinity Along rd. to Philpot Campground, 1.2 mi. W of Peanut 762 Comment
  HSC47635  Oemleria cerasiformis J. P. Smith, V. Rumble, E. Rumble 1977-4-30 9055 Trinity Shasta-Trinity National Forest, Philpot Campground and Philpot Creek 793 Comment
  HSC55495  Oemleria cerasiformis G. L. Clifton, Butler 1979-7-18 8412 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  UC922374  Oemleria cerasiformis Annie M. Alexander and Louise Kellogg 1949-6-26 5710 Trinity n of Yolla Bolly Middle Eel Primitive Area (White Rock Ranger Station) 1706 Comment
  CHSC7070  Oenothera S. Armantrout 1969-4-3 2 Trinity Off road 9 mi e of Peanuts Wildwood Pass. 1075 Comment
  CDA5213  Oenothera glazioviana T. C. Fuller 1962-8-6 9349 Trinity Highway 299 to Big Bar, 3.0 miles west of Junction City. 0 Comment
  POM249777  Oenothera wolfii C. L. Hitchcock, Martin 1939-7-10 5343 Trinity 10 miles East of Douglas City. 91 Comment
  HSC72111  Oreostemma alpigenum var. andersonii J. P. Smith 1976-9-7 8991 Trinity Scott Mtn. Campground 1646 Comment
  HSC92267  Oreostemma alpigenum var. andersonii Jennifer Whipple 1977-9-9 2288 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2317 Comment
  HSC68747  Orobanche fasciculata Thomas W. Nelson, Jane Nelson 1980-6-18 5597 Trinity Shasta-Trinity National Forest, along FS Rd. 1N10, 1 mi. from junction with FS Rd. 2N07 1372 Comment
  HSC72846  Orobanche fasciculata Gail Newton 1980-7-1 850 Trinity Near Hayden Roughs 1219 Comment
  HSC65966  Orobanche pinorum Gail Newton 1980-7-12 1359 Trinity Near Red Lassic 1798 Comment
  HSC76565  Orobanche uniflora Athy Ferguson 1981-7-20 8154 Trinity Near Armstrong Creek 969 Comment
  HSC78043  Orobanche uniflora John S. Palmer 1973-6-19 33 Trinity Bear Lakes Area, below Big Bear Lake. 1707 Comment
  SEINET185282  Orthilia secunda Unknown 1939-7-12 5359 Trinity 1 mile above Canyon Creek Meadows, 8 miles abovew Dedtick in Salmon-Trinity Alps 1524 Comment
  UC562455  Orthilia secunda Joseph P. Tracy 1935-8-6 14650 Trinity Devil's Canyon Mts. Around White's Creek Lake, head of North Fork of White's Creek. 1950 Comment
  HSC64971  Orthocarpus cuspidatus subsp. copelandii D. L. Goforth 1979-7-21 289 Trinity Trinity Alps Wild Area, Upper Union Creek 1890 Comment
  HSC91016  Orthocarpus cuspidatus subsp. copelandii Jennifer Whipple 1976-6-29 1149 Trinity Mt. Eddy, S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  HSC91024  Orthocarpus cuspidatus subsp. copelandii Jennifer Whipple 1978-10-6 2371 Trinity S facing slopes N of Deadfall Creek 2256 Comment
  POM264622  Orthocarpus imbricatus H. E. Parks, Joseph P. Tracy 1941-8-27 11516 Trinity Cold Springs area, South Fork Mtns. 1646 Comment
  HSC71500  Osmorhiza berteroi M. A. Baker 1980-7-2 2635 Trinity Near Horsehead Mtn. 1737 Comment
  HSC72741  Osmorhiza berteroi Gail Newton 1980-7-2 925 Trinity Near N Kelsey Peak 1463 Comment
  SBBG13326  Osmorhiza occidentalis H. and M. Dearing 1939-6-25 3717 Trinity rd to Blake Lookout 1524 Comment
  UC130693  Osmorhiza occidentalis H. M. Hall July, 1909 8665 Trinity Dorleska Salmon Mountains 2011 Comment
  HSC38400  Osmorhiza purpurea J. P. Smith, J. O. Sawyer 1975-6-23 8261 Trinity Philpot Campground 854 Comment
  HSC90555  Packera cana Jennifer Whipple 1976-7-13 1444 Trinity Deadfall Creek drainage in the vicinity of the Deadfall Lakes. 2317 Comment
  UC922280  Packera greenei Annie M. Alexander and Louise Kellogg 1949-6-25 5693 Trinity rd to White Rock Ranger Station 1249 Comment
  CAS-BOT-BC317118  Packera pseudaurea var. pseudaurea George Reinard Kleeberger 1880-7-9 s.n. Trinity Mt. Bally. Comment
  RSA40413  Panicum acuminatum var. acuminatum P. A. Munz 1948-8-13 12346 Trinity on Highway 229, west of Junction City 396 Comment
  CAS-BOT-BC253679  Panicum capillare John Thomas Howell 1936-8-25 12793 Trinity Near Trinity Center Comment
  UCD89387  Panicum capillare J. C. Borden 1970-8-27 s. n. Trinity Hayfork. Joseph Terras Ranch. 1219 Comment
  UCD107442  Parnassia fimbriata Joseph M. DiTomaso 1976-8-31 684 Trinity Cross country route from Landers Lake to Union Lake, just above Union Lake. 1950 Comment
  JEPS121440  Parnassia palustris Julie Kierstead Nelson, Susan Erwin, Martin Lenz 2009-8-26 2009 -009 Trinity In Upper Hayfork Creek watershed, ca. 200 m east of Forest Road 30; 3 miles south of Highway 36. Comment
  CAS-BOT-BC175549  Parnassia palustris H. M. Pollard 1953-8-23 s.n. Trinity Stuart Creek Trail 1066 Comment
  SEINET9371447  Pectocarya pusilla Unknown 1980-5-19 2689 Trinity In a serpentine area WSW of Peanut on Rattlesnake Rd, Philpot Creek drainage. 0.25 mi E of jct of Rattlesnake Rd and Plummer Lookout Rd (Philpot Campground Rd) ca. 0.75 mi (1200 m) SW of Salt Creek Bridge (Hwy 3) Peanut. USGS Quadrangle: Dubakella Mtn 15 Comment
  HSC69859  Pectocarya pusilla Thomas W. Nelson 1978-5-27 4081 Trinity At Secret Gulch ca. 1 mi. NW of Three Forks of Mad River 884 Comment
  UCD123286  Pedicularis bracteosa var. flavida Joseph M. DiTomaso 1975-7-24 196 Trinity Trinity Alps, south end of Union Lake. 1844 Comment
  HSC333  Pedicularis contorta William J. Ferlatte 1967-8-11 909 Trinity N side of Thompson Peak 2378 Comment
  HSC35103  Pedicularis densiflora John S. Palmer 1975-5-16 333 Trinity Trails above Trinity River at Grays Falls Campground 310 Comment
  HSC67344  Pedicularis densiflora Thomas W. Nelson 1980-5-30 5363 Trinity Along Rd. 60 (Underwood Mtn. Rd.), 10 mi. S from junction with Hwy. 299 1341 Comment
  CAS-BOT-BC227817  Pellaea brachyptera Eugene Carter 1974-6-3 788 Trinity Salmon-Trinity Alps and vicinity. South of Store Gulch 495 Comment
  UC130631  Penstemon anguineus H. M. Hall 1909-7-17 8563 Trinity near the mouth Union Creek (Salmon Mountains); , nr mouth Union Creek 1250 Comment
  LA209576  Penstemon anguineus H. M. Hall; 1909-7-17 8563 Trinity Salmon Mountains, near the mouth of Union Creek 1250.0 Comment
  JEPS7583  Penstemon azureus Joseph P. Tracy 1923-6-28 6419 Trinity near Cedar Flat; Northern Coast Ranges, Trinity River, nr Cedar Flat 304 Comment
  HSC27848  Penstemon deustus R. W. Spjut 1973-5-29 3404 Trinity Trinity River Canyon along Hwy. 299 from Big Flat to Junction City 0 Comment
  UCD124089  Penstemon deustus Joseph M. DiTomaso 1975-7-1 85 Trinity Trinity Alps; Emerald Lake. 1706 Comment
  UCD124090  Penstemon deustus Joseph M. DiTomaso 1976-7-29 516 Trinity Trinity Alps; Stuarts Fork Trail below Emerald Lake. 1554 Comment
  NY609843  Penstemon deustus var. suffrutescens D. D. Keck 1944-7-10 5478 Trinity 1.5 miles east of Forest Glen, in canyon of Post Creek 731.5 Comment
  NY609821  Penstemon deustus var. suffrutescens A. R. Kruckeberg 1972-6-12 6241 Trinity Just below upper Canyon Creek Meadows area. Trinity Alps. Comment
  UC1608329  Penstemon filiformis J. Kierstead 1990-7-18 90 -109 Trinity along Forest Service Rd 38N88, 1/2 mi n Twin Lakes (Twin Lakes Meadow, Mt. Shasta Ranger Dist., Shasta-Trinity National Forests); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1706 Comment
  HSC21007  Penstemon laetus subsp. sagittatus R. Spellenberg 1965-6-12 1107 Trinity 12 mi. SW of Burnt Ranch on Underwood Mtn. Rd., at pass Comment
  CDA21339  Penstemon newberryi G. F. Hrusa 1993-7-24 11377 Trinity Trinity Mountains; Head of Scorpion Creek, near pool where creek originates. 1584 Comment
  HSC91152  Penstemon newberryi subsp. berryi Jennifer Whipple 1977-7-7 1951 Trinity Near Lower Deadfall Lake 2165 Comment
  NY627423  Penstemon newberryi var. berryi A. R. Kruckeberg 1954-8-10 3739 Trinity South-facing slopes about Sapphire Lake, Trinity Alp, Salmon-Trinity Primitive Area 2286.0 Comment
  HSC91109  Penstemon parvulus Jennifer Whipple 1976-7-12 1438 Trinity Near Deadfall Lake 2195 Comment
  CHSC114660  Penstemon parvulus V. Parker Long 1992-6-10 3 48 b Trinity Hayfork Ranger District. Edge of plantation, in road bank. Comment
  RSA50088  Penstemon procerus subsp. brachyanthus E. K. Balls 1949-7-1 13703 Trinity Canyon Creek Meadow, Canyon Creek. 1372 Comment
  JEPS11499  Penstemon procerus var. brachyanthus Joseph P. Tracy 1935-8-5 14539 Trinity head of White's Creek Devil's Canyon Mts., head of White's Creek 2072 Comment
  UC577355  Penstemon procerus var. brachyanthus Joseph P. Tracy 1935-8-5 14539 Trinity head of White's Creek Devil's Canyon Mts. 2072 Comment
  UC130608  Penstemon roezlii H. M. Hall July 1909 8568 Trinity Dorleska Salmon Mountains 1981 Comment
  HSC27505  Pentagramma triangularis J. P. Smith 1973-4-7 5939 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  CAS-BOT-BC77120  Pentagramma triangularis subsp. triangularis Eugene Carter 1976-5-1 1106 Trinity North Fork Trinity River and vicinity - Pigeon Point Campground on the Trinity River 426 Comment
  HSC76404  Perideridia kelloggii Alerie Gizinski 1981-7-30 232 Trinity Near Goat Hill. 1433 Comment
  UC1389984  Perideridia kelloggii T. I. Chuang and L. Constance 1967-7-22 6074 Trinity 4 mi nw Weaverville (on way to Trinity Center) Comment
  JEPS74572  Perideridia oregana W. J. Ferlatte and B. D. Rogers 1966-6-1 2040 Trinity 3 mi n Junction City 579 Comment
  UC1312900  Perideridia oregana Lincoln Constance and Tsan-Iang Chuang 1967-7-22 3795 Trinity 3 mi ne Weaverville 762 Comment
  UCR80293  Perideridia oregana Thomas W. Nelson, J. Nelson 1976-7-28 3055 Trinity The Lassics, meadow along 5E27 just north of 1S07 1555 Comment
  JEPS14229  Perideridia parishii subsp. latifolia Joseph P. Tracy 1935-8-3 14493 Trinity Mary Blaine Meadow Mary Blaine Mt. 1950 Comment
  UC1312903  Perideridia parishii subsp. latifolia L. Constance and T. I. Chuang 1967-7-22 3798 Trinity 16 mi s Callahan (open flat above river); Trinity River 914 Comment
  CAS-BOT-BC419167  Persicaria maculosa Mrs. H. C. Cantelow 1936-8-23 1691 Trinity Scott Ranch 3 mi. S. of Trinity Center Comment
  HSC66795  Petrorhagia dubia Cathy Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh 1980-5-4 90 Trinity Hwy. 299, 1/4 mi. E of Hayden Flat Campground Comment
  CHSC70131  Phacelia corymbosa Jennifer Whipple 1976-8-19 1702 Trinity Klamath Mountains, Mount Eddy. Deadfall drainage near the upper Deadfall Lakes. 2438 Comment
  HSC23001  Phacelia corymbosa William J. Ferlatte 1967-8-18 1023 Trinity Red Rock Mountain 2287 Comment
  HSC30759  Phacelia corymbosa Thomas W. Nelson 1973-5-30 9871 Trinity Along Mule Ridge 1372 Comment
  HSC39031  Phacelia corymbosa J. P. Smith, J. O. Sawyer 1975-6-22 8244 Trinity Trinity National Forest Rd. 30N38 from Hwy. 36 to Cold Springs Campground. 762 Comment
  HSC67199  Phacelia corymbosa Thomas W. Nelson, Jane P. Nelson 1980-6-16 5451 Trinity Shasta-Trinity National Forest, just N of Philpot Campground 793 Comment
  HSC70117  Phacelia corymbosa Thomas W. Nelson, Jane P. Nelson 1978-6-23 4347 Trinity Along road to Hell to Find Lake. Comment
  JEPS81081  Phacelia corymbosa Thomas W. Nelson and Jane P. Nelson 1980-6-18 5600 Trinity along rd 1N10 1 mi from junction with road 2N07 (7); Shasta-Trinity National Forest, Pickett Peak Quad. 1371 Comment
Read comments Jul 11 2012
  RSA42018  Phacelia corymbosa H. C. Cantelow 1936-8-24 1626 Trinity 6.5 miles N of Carrville. Comment
  UCD120291  Phacelia corymbosa Thomas W. Nelson; Jane P. Nelson 1980-6-17 5499 Trinity Shasta-Trinity National Forest. Along Salt Creek Road at junction with road 30N24. 944 Comment
  RSA0003827  Phacelia dalesiana Alice Eastwood, J. T. Howell 1937-6-25 5014 Trinity Summit of Scott Mountains, north of Carrville. Comment
  HSC70297  Phacelia heterophylla M. A. Baker 1980-5-23 1423 Trinity Near Tierney Canyon 975 Comment
  HSC73899  Phacelia heterophylla R. York 1980-5-24 642 Trinity Near Long Ridge. 1036 Comment
  SD143508  Phacelia heterophylla T. L. Secrest 1949-6 Trinity Trionity and Shasta counties. Comment
  HSC22794  Phacelia heterophylla subsp. virgata D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5287 Trinity Above Van Duzen River Comment
  HSC41589  Phacelia heterophylla subsp. virgata Thomas W. Nelson, Jane P. Nelson 1977-6-19 3526 Trinity Above Senteney Rock 1555 Comment
  UC722151  Phacelia heterophylla subsp. virgata C. L. Hitchcock and J. S. Martin 1939-7-10 5340 Trinity ca 10 mi e Douglas City 914 Comment
  RSA201440  Phacelia heterophylla subsp. virgata J. T. Howell 1937-7-31 13705 A Trinity Eleven miles west of Big Bar. Comment
  RSA20733  Phacelia heterophylla subsp. virgata Carl B. Wolf 1937-6-20 8937 Trinity North Coast Range, along Mad River, 5.8 miles above Eureka - Red Bluff Road on road to Ruth. 457 Comment
  RSA256571  Phacelia heterophylla subsp. virgata Scott M. Kruse 1975-5-17 34 Trinity Southeast-facing slope on the trail to Denny at the confluence of New River and Trinity River. 310 Comment
  UC967252  Phacelia linearis L. Constance and R. Bacigalupi with S. Carlquist, R. Moran and R. L. Rodriguez 1951-6-12 3383 Trinity Wildwood Hayfork Creek Comment
  HSC92856  Phacelia mutabilis Jennifer Whipple 1976-8-11 1665 Trinity S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  UCD15148  Phacelia pringlei K. F. Mawdsley 1996-7-11 23 Trinity Trinity County. Along trail from Parks Creek trailhead to Mt. Eddy, about level of lowest lake. 2334 Comment
  UCD120659  Phacelia procera Joseph M. DiTomaso 1975-8-14 267 Trinity 1/4 mile above Granite Lake. 1920 Comment
  CAS-BOT-BC154297  Phacelia ramosissima var. ramosissima Annie M. Alexander; Louise Kellogg 1949-7-13 5798 Trinity Union Creek, South branch of Coffee Creek, Northwest of Trinity Center. Trail to Bear lake 1828 Comment
  RSA0057391  Philadelphus lewisii Lyman Benson 1930-7-18 s.n. Trinity Middle N. Coast Mt Range, Trinity River. 457 Comment
  UCR124073  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2001-7-8 6937 Trinity Trinity Mountains, Calif. Hwy 36, 2.2 mi west of the Trinity/Shasta Co. line 1159 Comment
  SBBG6043  Phlox adsurgens H. and M. Dearing 1939-6-25 3720 Trinity rd to Blake Lookout 1524 Comment
  HSC28377  Phlox diffusa J. P. Smith 1973-4-21 6178 Trinity Above Eagle Creek Loop, N of the Eagle Creek Campground. 854 Comment
  HSC78016  Phlox diffusa John S. Palmer 1973-6-17 6 Trinity Bear Lakes area, below Big Bear Lake 1707 Comment
  HSC41983  Phlox speciosa subsp. nitida Tom Duebendorfer 1977-5-21 29 Trinity Eagle Creek Campground 851 Comment
  UC184625  Phlox speciosa subsp. nitida Harry S. Yates 1914-5-18 307 Trinity n of Weaverville Comment
  HSC42439  Phlox speciosa subsp. nitida Barbara Kelly 1977-5-20 440 Trinity Off Hwy. 3 beside private driveway, 3.3 mi. N of Weaverville Comment
  HSC44482  Phlox speciosa subsp. nitida K. Irwin 1977-5-20 336 Trinity On side of the road from Hwy. 299 to Lewiston. Ca. 1 mi. from 299 Comment
  RSA48574  Phlox speciosa subsp. nitida P. A. Munz 1949-5-18 13298 Trinity 20 miles N of Trinity Center at Scott Mt. Creek. 1098 Comment
  HSC24655  Phlox stansburyi W. R. Oxner 1966-5-15 31 Trinity Town of Hayfork, summit of Hayfork Mtn. 1116 Comment
  HSC40824  Phoenicaulis cheiranthoides Thomas W. Nelson, Jane P. Nelson 1976-6-22 2844 Trinity W of Red Rock along Mule Ridge 1585 Comment
  HSC42489  Phoenicaulis cheiranthoides Robert M. Specht 1977-6-30 1130 Trinity N-S running ridge with steep W slope 1631 Comment
  JEPS57218  Phyllodoce empetriformis L. R. Heckard 1967-8-13 1719 Trinity sw of Mount Eddy (above Upper Deadfall Lakes) 2560 Comment
  HSC86378  Physaria kingii var. diversifolia J. O. Sawyer 1983-6-19 4216 Trinity Slopes W of Cory Peak summit 2359 Comment
  CAS-BOT-BC60783  Physaria occidentalis Annie M. Alexander; Louise Kellogg 1949-6-29 5721 Trinity Saddle between North Yolla Bolly and Black Rock Mountains, Yolla Bolly Middle Eel Primitive Area. 2103 Comment
  HSC91036  Physaria occidentalis subsp. occidentalis Jennifer Whipple 1976-6-11 958 Trinity Deadfall Creek drainage in the vicinity of Deadfall Lakes 2439 Comment
  CHSC35568  Physocarpus capitatus J. P. Smith 1979-6-15 10109 Trinity Shasta-Trinity Forest. Scott Mtn. Creek bridge along State Route 3. 1219 Comment
  RSA105340  Physocarpus capitatus G. D. Barbe 1955-8-3 341 Trinity At Dan Rice Creek and Scott Mountain Road, 3 miles south of Scott Mountain Forest Camp. 1387 Comment
  HSC40495  Pinus balfouriana J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-26 2606 Trinity S ridge of Seven-Up Peak where Deer Creek Trail crosses ridge to Granite Lake 2287 Comment
  CAS-BOT-BC78789  Pinus lambertiana L. B. Kildale 1930-9-14 10370 Trinity Trinity River at Big French Creek Comment
  JEPS123111  Pinus lambertiana D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-26 JHWS- 019 Trinity Trinity Creek Watershed Comment
  UC162  Pinus lambertiana W. H. Brewer Sep 26 1862-Sep 28 1862 1459 Trinity Trinity Mountains Comment
  UC1193170  Pinus monticola P. J. Zinke 1950-6-20 127 Trinity on high point between Casoose Creek and Hull Creek; Quadrangle 43-A-2 1737 Comment
  UC401401  Pinus monticola Annie M. Alexander and L. Kellogg 1911-7-21 266 Trinity hd. Grizzly Cr. Grizzly Creek Comment
  CAS-BOT-BC72831  Pinus ponderosa Doris K. Kildale 1927-11-29 4225 Trinity Trinity Center Comment
  HSC42003  Pinus ponderosa Ed Cope 1977-7-17 77 Trinity Philpot Campground, 1.2 mi. W of Peanut 762 Comment
  OBI36531  Pinus ponderosa David J. Keil 1983-7-2 17345 Trinity 6 mi W of Del Loma along SR 299 Comment
  CAS-BOT-BC72738  Pinus sabiniana G. R. Kleeberger 1879-9-6 s.n. Trinity On Grand Hill near Weaverville Comment
  CHSC30671  Piperia elongata M. S. Taylor 1980-7-1 3016 Trinity 0.5 mi e of Hwy 3 at Trinity Center, on s side of Swift Creek Rd at turn out where Osprey Nest is viewed. 822 Comment
  RSA382825  Piperia unalascensis Christopher Davidson 1973-5-28 2195 Trinity E of Burnt Ranch on Hwy 299, Trinity River Canyon, Trinity National Forest. 305 Comment
  SEINET10834171  Pityrogramma triangularis Mary Susan Taylor 1980-7-15 Taylor 3137 Trinity Shasta-Trinity Natl Forest, Canyon Creek trail, from trailhead to meadows above the falls, ca. 12.1 mi N of Junction City on Hwy 299. 914 Comment
  CAS-BOT-BC228239  Plagiobothrys hispidulus John Thomas Howell 1937-7-21 13217 Trinity Big Flat Comment
  UC881332  Plagiobothrys hispidulus John Thomas Howell 1937-7-21 13217 Trinity Big Flat Comment
  UC1080444  Plagiobothrys nothofulvus E. K. Balls 1957-5-24 22552 Trinity Hayfork 716 Comment
  UCD138958  Platanthera dilatata var. leucostachys Joseph M. DiTomaso 1975-6-17 24 Trinity Trinity Alps. Morris Meadow. Comment
  CHSC30675  Platanthera leucostachys M. S. Taylor 1980-6-30 2997 Trinity S side of 34N27, ca. 0.4 mi w of its jct with Rd to Tannery Gulch Campground and Hwy 3, ca. 21 mi ne of Weaverville. 792 Comment
  JEPS64426  Platanthera leucostachys F. P. Cronemiller 1923-7-11 592 Trinity Indian Dick Ranger Station California National Forest Comment
  HSC92092  Platanthera sparsiflora Jennifer Whipple 1977-8-3 2106 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  UC503022  Platystemon californicus Joseph P. Tracy 1932-6-17 10167 Trinity Three Forks of Mad River; North Coast Ranges, Three Forks of Mad River 883 Comment
  SD73205  Plectritis congesta Darley F. Howe 1969-6-5 4633 Trinity Mad River 762 Comment
  HSC49729  Plectritis macrocera J. O. Sawyer, R. J. Cole 1978-4-20 3097 Trinity Above Hwy. 299 at White's Bar. Comment
  UC73777  Poa Jos. Burtt Davy 1899-6-21 5825 Trinity Trinity Summit Comment
  HSC40221  Poa bulbosa J. P. Smith 1976-5-20 8744 Trinity Eagle Creek Campground. 854 Comment
  UCD91887  Poa pratensis J. C. Borden 1962-3-16 s.n. Trinity Burnt Ranch, from the Jack Ambrose Farm. Comment
  UC552663  Poa pratensis subsp. pratensis Joseph P. Tracy 1935-8-3 14505 Trinity Mary Blaine Meadow Mary Blaine Mt 1950 Comment
  HSC78263  Poa pringlei John S. Palmer 1976-7-3 455 Trinity Bear Lakes area, slope N side of Log Lake. 1860 Comment
  JEPS109664  Poa pringlei Dean W. Taylor 2002-6-30 18209 Trinity Cement Bluff Lake, The Eddys (Trinity River watershed) 1935 Comment
  RSA79334  Poa secunda E. K. Balls, Lee W. Lenz 1952-5-13 17228 Trinity 5.1 miles s.w from Douglas City Bridge over Trinity Ricer on road to Hayfork. Comment
  UCD102283  Poa secunda Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-18 s.n. Trinity Weed. Stewart Springs Road-Parks Road. Mount Eddy Trail. Mount Eddy close to the summit. 2640 Comment
  CAS-BOT-BC251093  Poa secunda subsp. juncifolia F. P. Cronemiller 1923-7-17 752 Trinity Frying Pan 1737 Comment
  CAS-BOT-BC243276  Poa secunda subsp. secunda Joseph P. Tracy 1935-8-3 14467 Trinity Mary Blaine Mountain 1950 Comment
  HSC24057  Poa secunda subsp. secunda J. O. Sawyer 1970-4-18 2483 Trinity Above New River. 244 Comment
  HSC24184  Poa secunda subsp. secunda D. E. Anderson 1971-7-28 5461 Trinity Near E Weaver Lake, 1 mi. from Weaver Bally Lookout on FS Rd. 33N38 1921 Comment
  HSC30205  Poa secunda subsp. secunda William J. Ferlatte 1968-6-9 1146 Trinity Packers Peak. 2134 Comment
  HSC44184  Poa secunda subsp. secunda Thomas W. Nelson, Jane P. Nelson 1977-6-19 3462 Trinity Along Rd. 5E27 just N of junction with Rd. 1S07 1555 Comment
  HSC49278  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9881 Trinity County Line Rd. along Brown's Creek. 671 Comment
  HSC72527  Poa secunda subsp. secunda M. A. Baker 1980-7-2 2604 Trinity Near Swim Ridge. 1341 Comment
  HSC73443  Poa secunda subsp. secunda Gail Newton 1980-7-10 1308 Trinity Near Senteney Rock 1463 Comment
  HSC74594  Poa secunda subsp. secunda M. A. Baker 1980-7-10 2711 Trinity Near Senteney Rock 1554 Comment
  HSC78288  Poa secunda subsp. secunda John Palmer 1975-7-24 410 Trinity Bear Lakes area, SW side of Log Lake. 1951 Comment
  JEPS70657  Poa secunda subsp. secunda F. P. Cronemiller 1923-7-17 772 Trinity Frying Pan; Mendocino Nat'l Forest Comment
  UC552667  Poa secunda subsp. secunda Joseph P. Tracy 1935-8-3 14467 Trinity Mary Blaine Mt 1950 Comment
  UC717994  Poa secunda subsp. secunda David D. Keck 1944-7-10 5480 Trinity 8.3 mi w Forest Glen (Norse butte) 1219 Comment
  HSC46105  Polemonium micranthum J. P. Smith 1973-4-21 6253 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  CAS-BOT-BC231308  Polemonium pulcherrimum Milo S. Baker 1926-8-8 238 -'26 Trinity Near top of Granite Peak Comment
  RSA49916  Polygala cornuta var. cornuta E. K. Balls 1949-7-7 13866 Trinity Trinity River Valley. 1 mile beyond Eagle Creek. N of Trinity Center. 793 Comment
  UC1299190  Polygala cornuta var. cornuta Freed W. Hoffman 1946-5-23 710 Trinity near Junction City; North Coast Ranges, Trinity River Comment
  UC672968  Polygonum davisiae Joseph P. Tracy 1915-8-8 14715 Trinity above White's Creek Lake (head of North Fork of White's Creek); Devil's Canyon Mts. 2133 Comment
  UC672937  Polygonum douglasii subsp. spergulariiforme Joseph P. Tracy 1939-9-4 16493 Trinity 3 mi below Hettenshaw Valley; Van Duzen River 914 Comment
  JEPS79953  Polygonum minimum Joseph P. Tracy 1935-8-7 14618 Trinity White's Creek Devil's Canyon Mts. (head) 2072 Comment
  JEPS74619  Polygonum minimum William J. Ferlatte and Alice Q. Howard 1970-8-10 1294 Trinity slope to n lower lake; Trinity Alps, Boulder Creek Lakes 1920 Comment
  CAS-BOT-BC419918  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1937-7-21 13211 Trinity Big Flat Comment
  HSC40886  Polygonum polygaloides subsp. kelloggii Thomas W. Nelson, Jane P. Nelson 1976-6-22 2867 Trinity Trinity-Humboldt County line, in spring along road to Goat Hill 1646 Comment
  JEPS123436  Polygonum sawatchense subsp. oblivium Julie Kierstead Nelson with Marie Buell 2015-7-18 2015 -119 Trinity Yolla Bolly Wilderness; saddle between Black Rock and North Yolla Bolly, off Pettijohn trail. Comment
  CAS-BOT-BC419702  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1936-8-24 12722 Trinity Summit of Scott Mts. n. of Carrville Comment
  SEINET11261948  Polygonum sawatchense subsp. sawatchense Robert L. Johnson, Mikel R. Stevens 2015-7-12 3962 Trinity Drawdown area of Trinity Lake (Clair Engle Lake). 12.3 rd mi N of jct with Hwy 299, downtown Weaverville, on CA-3. Vicinity of Tanbark Picnic Area.; 0 706 Comment
  HSC54183  Polygonum spergulariiforme G. L. Clifton, Butler 1979-7-18 8452 Trinity Near Jones Ridge, close to the town of Mad River 1448 Comment
  HSC27509  Polypodium californicum J. P. Smith 1973-4-7 5944 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  HSC86994  Polypodium glycyrrhiza Brent Helm, Curtis Miller, Mark Steiger 1988-3-12 25 Trinity 12.4 mi. up S fork Rd. of Trinity River from Hwy. 299 to S. Fork Trail head, 3 mi. from trail head by Hells Half Acre Creek 457 Comment
  HSC72932  Polystichum imbricans R. York 1980-5-24 701 Trinity Near Long Ridge. 1036 Comment
  HSC72982  Polystichum imbricans M. Baker 1980-7-10 2715 Trinity Near Senteney Rock 1554 Comment
  SEINET3874171 Image available Polystichum imbricans Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-21 682 Trinity Shasta-Trinity National Forest. Along Rush Creek Road (also road to Lewiston) off State Hwy. 3 NW of Weaverville. Along Rush Creek.; 0 620 Comment
  CAS-BOT-BC76743  Polystichum imbricans subsp. imbricans Doris Kildale 1931-5-17 10703 Trinity Hawkins Bar 182 Comment
  RSA604381  Polystichum imbricans subsp. imbricans L. C. Wheeler 1959-7-28 7612 Trinity Tule Creek: Near Two Sugar Pines Mine Claim, ca. 4 miles SW of Hayfork. Comment
  RSA153456  Polystichum lemmonii H. K. Sharsmith 1960-8-27 4830 Trinity Scott Mountains, 200 feet above and to the south of Mosquito Lake, Salmon-Trinity Alps Wilderness Area, Shasta National Forest. 2012 Comment
  CAS-BOT-BC76684  Polystichum munitum Annie M. Alexander; Louise Kellogg 1948-8-13 5481 Trinity Dedrick, east side of Canyon Creek 762 Comment
  HSC31406  Polystichum scopulinum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5513 Trinity Black Lassic along W side 1738 Comment
  HSC26692  Populus tremuloides William J. Ferlatte 1972-8-8 1432 Trinity Boulder Creek Basin 1585 Comment
  JEPS128111  Populus tremuloides Julie Kierstead Nelson with Heath Bartosh, Jepson Yolla Bolly Workshop 2017-7-15 2017 -041 Trinity Yolla Bolly Wilderness very near Trinity/Tehama County line; North Yolla Bollies, Cedar Basin, SW aspect. Comment
  HSC55484  Populus trichocarpa Gilbert Muth 1979-7-17 8308 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  HSC82351  Populus trichocarpa Thomas W. Nelson, Jane Nelson 1977-5-15 3383 Trinity Brown's Canyon Campground, Van Duzen River 762 Comment
  HSC39973  Potentilla breweri J. O. Sawyer 1973-6-5 2501 Trinity Scott Mtn. Summit, W of Hwy. 3 1738 Comment
  UC585621  Potentilla flabellifolia Joseph P. Tracy 1935-8-5 14541 Trinity at head of White's Creek Devil's Canyon Mts., White's Creek 2072 Comment
  UC2046535  Potentilla flabellifolia William J. Ferlatte 1975-8-25 1731 Trinity above west side of Lake Anna; drier edges of meadow Comment
  RSA211493  Potentilla fruticosa William J. Ferlatte 1966-8-4 313 Trinity Dorleska Mine, Trinity Alps. 1982 Comment
  HSC74296  Prosartes hookeri M. A. Baker 1980-5-23 1414 Trinity Near Tierney Canyon 975 Comment
  UCD139789  Prosartes hookeri Joseph M. DiTomaso 1976-6-29 532 Trinity Stuarts Fork Trail below Emerald Lake. 1524 Comment
  UCD125319  Prunella vulgaris var. lanceolata Joseph M. DiTomaso 1976-7-7 577 Trinity Trinity Alps, just west of Mumford Meadows on Swift Creek Trail. 1645 Comment
  HSC24181  Prunus emarginata D. E. Anderson 1971-7-28 5472 Trinity Near E Weaver Lake, 1 mi. from Weaver Bally Lookout on FS Rd. 33N38 1921 Comment
  HSC78045  Prunus emarginata John S. Palmer 1973-6-19 31 Trinity Bear Lakes Area, below Big Bear Lake. 1707 Comment
  CAS-BOT-BC151209  Prunus virginiana var. demissa Eugene Carter 1974-5-20 738 Trinity Salmon-Trinity Alps and vicinity, south of Store Gulch 484 Comment
  CAS-BOT-BC159459  Prunus virginiana var. demissa L. B. Kildale 1930-8-26 10509 Trinity South Fork Mountain Comment
  HSC74915  Prunus virginiana var. demissa J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-28 9950 Trinity Shasta-Trinity National Forest, along Coffee Creek Rd. at Coffee Creek Ranch. 976 Comment
  UC922622  Prunus virginiana var. demissa Annie M. Alexander and Louise Kellogg 1948-8-22 5533 Trinity at upper e side of Morris Meadow, Trinity Mountains Stuart Fork Trinity River; Trinity Mountains, , Morris Meadow 1280 Comment
  UCD113523  Prunus virginiana var. demissa Joseph M. DiTomaso 1975-6-30 75 Trinity Morris Meadows on Stuarts Fork Trail. Comment
  CAS-BOT-BC357199  Pseudognaphalium macounii Annie M. Alexander; Louise Kellogg 1948-8-21 5522 Trinity Trinity Mountains. West side of Morris Meadows, Stuart Fork 1280 Comment
  CAS-BOT-BC357580  Pseudognaphalium stramineum G. R. Kleeberger 1879-9-20 s.n. Trinity Unspecified Comment
  HSC56612  Pseudognaphalium thermale G. L. Clifton 1979-7-17 7988 Trinity Near Bailey Canyon Campground, close to town of Mad River. 853 Comment
  HSC27407  Pseudotsuga menziesii var. menziesii J. P. Smith 1973-4-7 6026 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  HSC54424  Pseudotsuga menziesii var. menziesii Walter Overton 1979-7-18 8712 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  HSC55542  Pseudotsuga menziesii var. menziesii Walter Overton 1979-7-18 8746 Trinity Near Horse Ridge, close to the town of Mad River. 1036 Comment
  UC275505  Pseudotsuga menziesii var. menziesii Joseph P. Tracy 1923-6-28 6424 Trinity near Cedar Flat Bridge Trinity River; Northern Coast Ranges 304 Comment
  JEPS19285  Pycnanthemum californicum Joseph P. Tracy 1926-7-4 7707 Trinity vicinity Salyer (Koon Ranch); Northern Coast Ranges, vicinity of Salyer 457 Comment
  UC1239669  Pycnanthemum californicum Arthur E. Connick 1926-6-27 Trinity at crossing of Bridgeville-to-Hayfork Road South Fork Trinity River (Auto Rest) Comment
  HSC35972  Pycnanthemum californicum Thomas W. Nelson, James Nelson 1973-7-14 1067 Trinity Next to the Trinity River at Eagle Creek Comment
  CAS-BOT-BC460883  Pyrola aphylla Peter H. Raven; R. Snow 1958-7-19 13601 Trinity 7.2 miles N of Helena Comment
  UC933400  Pyrola asarifolia Annie M. Alexander and Louise Kellogg 1948-8-23 5540 Trinity west side of Morris Meadows, Stuart Fork 1280 Comment
  CAS-BOT-BC462811  Pyrola dentata G. R. Kleeberger 1880-7-9 s.n. Trinity Unspecified 1524 Comment
  HSC28765  Pyrola picta J. P. Smith 1973-4-21 6232 Trinity Big Bear Lake trail, N of Eagle Creek Campground 1037 Comment
  SEINET10449206  Pyrola picta subsp. dentata Mary Susan Taylor 1980-7-1 Taylor 3026 Trinity T36N R8W center sec 21, Trinity Dam quad. Shasta-Trinity Natl Forest; on ridge both sides of Swift Creek Rd (36N25), at loop, ca. 0.2 mi S of its jct with 36N24, ca. 2.9 mi due SW of Trinity Center. 1097 Comment
  SEINET10907234  Pyrola picta subsp. dentata Mary Susan Taylor 1980-7-16 Taylor 3141 Trinity Shasta-Trinity Natl Forest, Bear Creek trail, E of Canyon Creek trail, ca. 12 mi N of Junction City on Hwy 299. 914 Comment
  CAS-BOT-BC68518  Quercus chrysolepis M. B. Kildale 1927-9-20 2705 Trinity 2 miles west of Old Shasta on Red Bluff Weaverville Road Comment
  HSC32865  Quercus chrysolepis Thomas W. Nelson, James Nelson 1973-5-20 916 Trinity N of Black Lassic 1524 Comment
  HSC54137  Quercus chrysolepis Gilbert Muth 1979-7-17 8310 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  UC1135376  Quercus chrysolepis J. E. Sowder 1932-10-17 19 Trinity above Rattlesnake Creek (North Fork) (Bob's Farm); Big Bar Quad. 1615 Comment
  HSC72233  Quercus durata var. durata Thomas W. Nelson, Jane P. Nelson 1980-8-21 6264 Trinity Shasta-Trinity National Forest, Rattlesnake Ridge along USFS Rd. 29N62 1.3 mi W of junction with Rd. 29N58 1220 Comment
  CAS-BOT-BC94678  Quercus garryana John Thomas Howell 1955-6-13 30378 Trinity Hayfork 716 Comment
  CDA21915  Quercus garryana G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2741 Trinity One-eye Flat south of Trinity River bridge, 0.4 mile north of Coffee Creek Road, west side of Hwy 3, north of Trinity Center. Comment
  UC1135600  Quercus garryana J. E. Sowder 1932-10-17 11 Trinity North Fork of Rattlesnake Creek Trinity Forest, Big Bar Quad. 1219 Comment
  HSC54191  Quercus kelloggii G. L. Clifton, Butler 1979-7-18 8482 Trinity Near Jones Ridge, close to the town of Mad River 1448 Comment
  HSC68743  Quercus kelloggii Jacqueline Greenleaf 1980-6-21 142 Trinity Near Van Duzen River. 914 Comment
  HSC69952  Quercus kelloggii Thomas W. Nelson, Jane P. Nelson 1978-6-21 4229 Trinity Along Hwy. 3, 3.25 mi E of Hayfork Summit 1037 Comment
  HSC72582  Quercus kelloggii Gail Newton 1980-7-1 759 Trinity Near Hayden Roughs. 1250 Comment
  JEPS37765  Quercus kelloggii W. L. Jepson Jul 5 1902-Jul 12 1902 1993 Trinity Dyer's Ranch New River Comment
  LA205303  Quercus kelloggii Carl Epling; September 1923 sn Trinity Comment
  LA205307  Quercus kelloggii Carl Epling; September 1932 sn Trinity Comment
  POM106257  Quercus vacciniifolia C. Hart Merriam 1899-8-25 516 Trinity Lakes, Canyon Creek. Comment
  SDSU6992  Quercus vacciniifolia D. F. Howe 1977-6-30 4967 Trinity Weaver Bally Rd. 1676 Comment
  UC1135811  Quercus vacciniifolia L. B. Burkett 1932-9-19 57 Trinity North Fork Trinity River Trinity Forest, Big Bar Quad. 1524 Comment
  UC1422524  Raillardella pringlei William J. Ferlatte 1976-7-9 1812 Trinity above Sunrise Creek (w of trail); Trinity Alps, Landers Creek Comment
  SEINET10474330  Raillardella pringlei Mary Susan Taylor 1980-8-26 Taylor 3308 Trinity T36N R9W west center sec 1, Coffee Creek quad. Shasta-Trinity Natl Forest, SE side of Panther Meadow along a creek at forest edge, ca. 100 ft N of Swift Creek trail, ca. 9 mi W of Trinity Center. 1585 Comment
  RSA472468  Raillardiopsis scabrida Thomas W. Nelson 1977-8-6 3707 Trinity N slope of Black Lassic. 1677 Comment
  UCR70755  Raillardiopsis scabrida Thomas W. Nelson, J. Nelson 1977-8-6 3707 Trinity N slope of Black Lassic 1677 Comment
  UCR45828  Ranunculus occidentalis N. Meiselman, M. Bransom, D. Brown, R. Hildebrant 1986-4-19 32 Trinity North Coast Range, Route 299, Burnt Ranch Campground, 1.5 mi. west of Burnt Ranch 412 Comment
  HSC82120  Ranunculus occidentalis var. howellii Thomas W. Nelson, Jane P. Nelson 1980-5-25 5284 Trinity Along trail from Blue Jay Mine-Little Red Mtn. Creek 1189 Comment
  HSC67055  Ranunculus occidentalis var. occidentalis Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer 1980-5-3 71 Trinity Along road to Dubakella Mtn. from Hwy. 36 1296 Comment
  HSC40640  Ranunculus occidentalis var. occidentalis J. P. Smith 1975-5-17 8126 Trinity Just N of the confluence of Ditch Gulch and Salt Creek on Hwy. 3 near Peanut 770 Comment
  HSC78643  Ranunculus orthorhynchus D. K. Imper 1982-5-11 1467 Trinity Near Raglan Gulch. 1066 Comment
  JEPS48697  Rhamnus californica Hilda W. Grinnell 1932-7-15 25 Trinity junction Norgaar Ranch road with South Fork Mt. Road 1524 Comment
  RSA50038  Rhamnus californica E. K. Balls 1949-7-1 137330 Trinity Above Canyon Creek Meadow 1402 Comment
  SEINET10493586  Rhamnus californica subsp. crassifolia Mary Susan Taylor 1975-4-12 Taylor 461 Trinity Underwood Mountain Rd, 1 mi S of Hwy 299, between Burnt Ranch and Big Bar. Associates: Pinus sp., Rhus diversiloba. Comment
  UC1553466  Rhamnus californica subsp. occidentalis E. Dean 1988-6-22 74 Trinity ca 2.5 rd mi n Hwy. 3 (alogn Rd 35N72Y, slope below road on s side of hairpin turn); Trinity Lake Area 960 Comment
  CAS-BOT-BC56119  Rhamnus ilicifolia J. D. Coffman 1911-10-1 62 Trinity Trinity Forest 609 Comment
  CAS-BOT-BC56122  Rhamnus ilicifolia L. B. Kildale 1930-10-19 10259 Trinity Betty-May Mine, North Fork Trinity River Comment
  HSC64083  Rhamnus ilicifolia J. O. Sawyer, Thomas W. Nelson 1978-6-9 3193 Trinity Trail to Red Mtn. 1220 Comment
Read comments Feb 19 2013
  JEPS94998  Rhamnus purshiana Vernon Oswald and Lowell Ahart 1997-7-17 8759 Trinity 1.1 mi s of the West Fork Smokey Creek (9.8 mi s of Hwy 36, Forest Route 29 at a tributary of Smoky Creek); Forest Route 29 1165 Comment
  POM246420  Rhamnus purshiana Carl B. Wolf 1937-8-12 9166 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  UC1121925  Rhamnus rubra N. French 1932-9-5 13 Trinity Canyon Creek Trinity Forest, Big Bar Quad. 975 Comment
  HSC750  Rhododendron columbianum William J. Ferlatte 1967-8-5 776 Trinity Canyon Creek Lakes 1646 Comment
  CHSC79499  Rhododendron neoglandulosum G. F. Hrusa; T. D. Wilfred 1993-7-24 11368 Trinity Trinity Mountains, Klamath Ranges. Head of Scorpion Creek. Around pool at headwaters. Bonanza King Ridge, at summit of major ridge to N of Bonanza King Lookout. 1584 Comment
  SEINET3928291  Rhododendron occidentale var. occidentale Anthony Baniaga 2011-7-8 433 Trinity Shasta-Trinity National Forest. Along Highway 3, ca. 1.5 miles from 39N04 quadrangle.; 0 1547 Comment
  RSA273394  Rhododendron occidentale var. paludosum J. P. Smith, J. O. Sawyer 1970-7-28 4532 Trinity Center of Darlingtonia Bog Comment
  UCD141232  Rhynchospora capitellata Mrs. H. C. Cantelow 1937-8-23 s.n. Trinity about 1 mile SW of Trinity Center. Comment
  HSC85863  Ribes inerme var. klamathense R. Earing, C. Cavanaugh, C. Collins 1987-4-25 101 Trinity Steelbridge Campground, 2.8 mi. E of Douglas City on Hwy. 299, 3 mi. up Steelbridge Rd. 520 Comment
  HSC103137  Ribes lobbii M. Mesler 2010-6-13 822 Trinity Grove's Prairie, off FS rd 7N04 1280 Comment
  JEPS27766  Ribes lobbii H. R. Josephson 1933-5-19 4 Trinity Harrison Gulch Red Bluff Quadrangle 762 Comment
  CAS-BOT-BC168889  Ribes lobbii Ella Dales Cantelow 1939-6-8 2672 Trinity 5.4 mi. from jct. Alton - Redbluff Hwy., South Fork Mts., Black Lookout Rd. Comment
  CAS-BOT-BC212590  Ribes montigenum Jennifer Whipple 1976-9-1 1744 Trinity Meadows N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes, China Mountain and Weed quads. 2316 Comment
  HSC37447  Ribes montigenum Gary S. Lester 1974-6-30 327 Trinity Trinity-Tehama county line, Yolla Bolly Wilderness Area, ridge top of S of N Yolla Bolly Peak 2317 Comment
  HSC78801  Ribes nevadense John S. Palmer 1973-9-7 179 Trinity Bear Lakes Area, along shore of Wee Bear Lake 1845 Comment
  JEPS49299  Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-7-22 275 Trinity head Grizzly Creek 1828 Comment
  UC154064  Ribes nevadense Mrs. M. H. Manning Jul 1 1901-Jul 10 1901 45 Trinity Trinity Summit Comment
  HSC28777  Ribes roezlii J. P. Smith 1973-4-21 6214 Trinity Big Bear Lake trail, N of Eagle Creek Campground 1037 Comment
  HSC32873  Ribes roezlii Thomas W. Nelson, James Nelson 1973-5-28 980 Trinity S of Black Lassic 1799 Comment
  HSC47639  Ribes roezlii J. P. Smith, V. Rumble, E. Rumble 1977-4-30 9051 Trinity Shasta-Trinity National Forest, Philpot Campground and Philpot Creek 793 Comment
  JEPS74532  Ribes roezlii W. J. Ferlatte 1966-6-2 62 Trinity Upper Canyon Creek Meadow Trinity Alps 1524 Comment
  CAS-BOT-BC198927  Ribes roezlii var. cruentum Alice Eastwood; John Thomas Howell 1937-6-24 4876 Trinity Near Burnt Ranch. Comment
  JEPS49454  Ribes roezlii var. cruentum Mrs. Frank A. Graham 1925-2-20 Trinity near South Fork; Trinity River 182 Comment
  RSA0024611  Ribes roezlii var. cruentum L. S. Rose 1954-4-26 54019 Trinity 3 miles NE of Douglas City. 610 Comment
  CAS-BOT-BC186298  Ribes roezlii var. roezlii Ira L. Wiggins 1950-5-29 12401 Trinity Along Coffee Creek between Lady Gulch and Adams Creek 1371 Comment
  CAS-BOT-BC144479  Ribes sanguineum var. sanguineum Eugene Carter 1975-8-19 1086 Trinity North Fork Trinity River. Limestone Ridge, Morrison Gulch Trail. Open woods near Rattlesnake Lake Camp. 1691 Comment
  HSC65644  Ribes viscosissimum J. P. Smith, J. O. Sawyer 1975-6-23 8339 Trinity 9.5 mi. S of Hwy. 299 at Buckhorn Summit on rd. to Bully Choop, N slopes of Paradise Peak 1768 Comment
  UC466056  Ribes viscosissimum Mrs. M. H. Manning 1901-1 44 Trinity Trinity Summit Comment
  UC902088 Image available Ribes viscosissimum Joseph P. Tracy 1942-7-2 17380 Trinity near Cold Springs; South Fork Mountain 1706 Comment
  CAS-BOT-BC362948  Rigiopappus leptocladus G. R. Kleeberger 1880-6-1 s.n. Trinity Unspecified Comment
  UC581801  Rigiopappus leptocladus Joseph P. Tracy 1932-6-17 10202 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  HSC34890  Romanzoffia californica Thomas W. Nelson 1975-5-17 1829 Trinity Beside Hwy 299, just W of Oregon Mountain Summit Comment
  UCD115278  Rorippa curvisiliqua Joseph M. DiTomaso 1976-7-15 637 Trinity Trinity Alps, just east of Granite Lake next to trail. 1828 Comment
  SEINET7040255  Rosa bridgesii A. G. Vestal 1963-6-5 s.n. Trinity 2 miles east of Hayfork. Hayfork Quadrangle UTM Zone 10, 487800mE, 4488830mN. Comment
  HSC32263  Rosa californica J. O. Sawyer 1971-8-13 2441 Trinity 1799 Comment
  CAS-BOT-BC146784  Rosa gymnocarpa John Thomas Howell 1955-6-14 30414 Trinity 2 miles west of Buckhorn Mt. summit 792 Comment
  CAS-BOT-BC146785  Rosa gymnocarpa G. R. Kleeberger 1879-9-20 s.n. Trinity unspecified Comment
  CAS-BOT-BC146790  Rosa gymnocarpa Eugene Carter 1971-6-18 239 Trinity Along Hobo Gulch Road at China Springs. North Fork Trinity River, Hobo Gulch Camp and vicinity (18 mi. NW of Weaverville) 1136 Comment
  CHSC66343  Rosa gymnocarpa V. H. Oswald; Lowell Ahart, Robin Ondricek-Fallscheer 1996-7-1 7931 Trinity High North Coast Ranges. Deer Lick Knob Rd. (Forest Route 1) 15.9 mi (odometer) N of Hwy. 36 (via Harrison Gulch Rd.), NW of Platina. On a roadside bank. 1066 Comment
  HSC34166  Rosa gymnocarpa J. P. Smith, J. O. Sawyer 1973-7-4 7089 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  CAS-BOT-BC147091  Rosa pisocarpa Eugene Carter 1971-7-11 282 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) 1 mile up Backbone Creek 944 Comment
  HSC78049  Rosa pisocarpa John S. Palmer 1973-6-19 51 Trinity Bear Lakes area, along trail to Big Bear Lake 1540 Comment
  CAS-BOT-BC148217  Rosa spithamea Mrs. H. C. Cantelow 1935-6-11 4323 Trinity Scenic Trail nr. Trinity Alps Resort Comment
  HSC90553  Rosa woodsii subsp. ultramontana Jennifer Whipple 1977-8-3 2073 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  HSC55497  Rubus leucodermis G. L. Clifton, Butler 1979-7-18 8420 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  HSC39014  Rubus parviflorus J. P. Smith, J. O. Sawyer 1975-6-22 8220 Trinity Granite Canyon Creek. 701 Comment
  HSC51292  Rubus parviflorus G. L. Clifton, Overton 1979-6-4 4135 Trinity Near Shanty Creek, close to the town of Alderpoint 853 Comment
  HSC56730  Rubus parviflorus Gilbert Muth 1979-7-18 8363 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  RSA50040  Rubus parviflorus var. hypomalacus E. K. Balls 1949-7-1 13728 Trinity Above Canyon Creek Meadow. Trail to lakes. 1387 Comment
  UCD17836  Rubus ursinus H. Olmo 8-10 May 1962 62- 42 Trinity California. Trinity County: Clear Creek. Comment
  UCD17849  Rubus ursinus H. Olmo 8-10 May 1962 62 41 Trinity California. Trinity County: 1.5 miles east of summit near Dinsmore. 975 Comment
  SEINET5710586  Rudbeckia klamathensis Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6135 Trinity Growing in a seep on a hillside. Along California 3, 52.8 road miles north of the junction of CA 3 and CA 299. South of Callahan.; Callahan Comment
  HSC70560  Rumex acetosella M. A. Baker 1980-5-25 1526 Trinity Near Shannon Butte 701 Comment
  SEINET10845607  Rumex acetosella K. Faber, S. LaChance; M. Rekart 1984-5-26 Faber 38 Trinity 850 Comment
  JEPS128091  Rumex californicus Julie Kierstead Nelson with Heath Bartosh, Jepson Yolla Bolly Workshop 2017-7-13 2017 -015 Trinity Yolla Bolly Wilderness; near Tehama County line: Pettijohn Basin; headwaters of the east fork of the south fork of the Trinity River. Comment
  CHSC27320  Rumex salicifolius var. denticulatus T. B. Devine 1976-8-8 354 Trinity 6 mi n of Weaverville on Hwy 3 e side of graded roadside. 822 Comment
  SEINET2467036  Sagina decumbens subsp. occidentalis Joseph P. Tracy 1926-5-31 7530 Trinity Junction City. 460 Comment
  UC1223233  Sagina saginoides Joseph P. Tracy 1950-7-25 19055 Trinity 1 mi. s. of Racetrack S. Fork Mt. 1645 Comment
  HSC4482  Salix eastwoodiae William J. Ferlatte 1967-8-6 801 Trinity Upper end of Canyon Creek above the lakes 1829 Comment
  HSC41968  Salix gooddingii Ed Cope 1977-5-21 94 Trinity Eagle Creek Campground 851 Comment
  CAS-BOT-BC106810  Salix hindsiana S. Saufferer 1973-5-6 137 Trinity About 20 mis. west of Douglas City, along Trinity River flats, along Highway #299 Comment
  UC576375  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1937-7-20 865 Trinity near and s. of Trinity Center (Van Ness Creek); Van Ness Creek 704 Comment
  CAS-BOT-BC125700  Salix melanopsis Eugene Carter 1969-10-8 193 .1 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity (18 mi. NW of Weaverville); West bank 868 Comment
  UC1135109  Salix sitchensis N. French 1932-9-17 22 Trinity E. Fork of N. Fork of Trinity R. Big Bar Quad., E. Fork of N. Fork of Trinity R. 762 Comment
  RSA48909  Salvia sonomensis P. A. Munz 1949-5-17 13272 Trinity 1 mile north of Rush Creek Public Camp on road to Trinity Alps. 1067 Comment
  CAS-BOT-BC245891  Sambucus nigra subsp. caerulea Annie M. Alexander; Louise Kellogg 1948-8-1 5376 Trinity Canyon Creek, Dedrick, Trinity Mountains 762 Comment
  HSC43821  Sanicula bipinnatifida M. A. Baker 1977-5-21 307 Trinity Eagle Creek Campground 851 Comment
  HSC73897  Sanicula bipinnatifida R. York 1980-5-24 641 Trinity Near Long Ridge. 1036 Comment
  UC1087297  Sanicula bipinnatifida E. K. Balls 1957-5-24 22554 Trinity Hayfork 716 Comment
  UCR39789  Sanicula bipinnatifida Jones, Wallis, et al 1985-4-20 021 Trinity North Coast Range, Shasta-Trinity National Forest, Burnt Ranch Campground 433 Comment
  HSC27374  Sanicula crassicaulis J. P. Smith 1973-4-7 6010 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  HSC78647  Sanicula crassicaulis D. K. Imper 1982-5-11 1476 Trinity Near Wiregrass Springs. 990 Comment
  HSC65861  Sanicula tracyi Gail Newton 1980-7-9 1068 Trinity Near Shanty Creek. 1113 Comment
  HSC68628  Sanicula tracyi Jacqueline Greenleaf 1980-7-13 197 Trinity Near Van Duzen River. 884 Comment
  HSC77953  Sanicula tracyi D. K. Imper 1982-5-11 1473 Trinity Near Raglan Gulch. 1066 Comment
  HSC82024  Sanicula tracyi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5302 Trinity Along trail from Blue Jay Mine-Little Red Mtn. Creek 1189 Comment
  UC1022560  Sanicula tracyi C. Ritchie Bell 1951-4-26 1090 Trinity about 6 mi se of Cobbs (on road to Ruth, near the Van Duzen River) Comment
  CAS-BOT-BC263279  Sanicula tuberosa R. C. Wenk 2005-7-18 279 Trinity Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1 mile east of Highway 3 1750 Comment
  HSC74005  Sanicula tuberosa R. York 1980-5-24 693 Trinity Near Long Ridge. 1036 Comment
  RSA0088659  Sanicula tuberosa Bonnie C. Templeton 1968-6-13 11323 Trinity Scott Mt. near Trinity-Siskiyou County divide. 2086 Comment
  RSA249413  Sanicula tuberosa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-16 5681 Trinity Along ridge road on South Fork Mtn. ca. 10 mi. N of its junction with highway 36 Comment
  HSC38291  Sanicula tuberosa Thomas W. Nelson 1976-6-10 2692 Trinity Along FS 6E42 1220 Comment
  HSC47017  Sanicula tuberosa Sheila Logan 1978-5-13 124 Trinity 4 mi. from Hwy. 36 on Dubakella Mtn. Rd. 1524 Comment
  HSC75729  Sarcodes sanguinea J. O. Sawyer, R. Ross 1981-6-15 4141 Trinity N of Lake Eleanor on trail 8W13 Comment
  UCR138731  Saxifraga mertensiana E. Bower, S. Marubayashi, E. Perry 1997-3-8 009 Trinity HBM: 'Hell's Half Acre', 12 mi south of Hwy 299 on South Fork Rd. (USFS 5N03) and 1 mi from trailhead 6E23 488 Comment
  SEINET3991557  Schoenolirion C. L. Hitchcock, J. S. Martin 1939-7-11 Trinity Upper Canyon Creek Lake 1890 Comment
  SEINET10472667  Schoenolirion album Mary Susan Taylor 1980-7-22 Taylor 3163 Trinity T38N R7W sw sec 10, Bonanza King quad. Shasta-Trinity Natl Forest, on W side of Hwy 135, ca. 0.5 mi N of Eagle Creek Camp, in vernal meadow. 823 Comment
  HSC78490  Scirpus congdonii John S. Palmer 1973-7-1 84 Trinity Bear Lakes Area, Tangle Blue Lake 1753 Comment
  RSA211360  Scirpus congdonii William J. Ferlatte 1966-8-24 483 Trinity Trinity Alps: Boulder Creek Basin, tributary to Canyon Creek 1829 Comment
  SEINET7592504 Image available Scirpus microcarpus John Thomas Howell 1936-1 12768 Trinity Scott Mts. Comment
  HSC68054  Scleranthus annuus J. P. Smith, J. O. Sawyer 1973-4-14 6096 Trinity 1 mi. W of Poker Bar Rd. on Hwy. 299 640 Comment
  CAS-BOT-BC541421  Scutellaria antirrhinoides G. Ledyard Stebbins 1973-6-30 s.n. Trinity W side of Dubakella Mountain 1630 Comment
  HSC70187  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1978-6-23 4325 Trinity Along FS Rd. 30, 1 mi. S of junction with SR 36 Comment
  POM260784  Scutellaria antirrhinoides H. C. Cantelow 1939-6-9 s.n. Trinity Scott Mt. Road, 6.5 mi N. of Carville. Comment
  CHSC69010  Scutellaria californica Vernon Oswald; Lowell Ahart 1997-7-17 8725 Trinity Forest Road 29 (Bramlot Rd.) 2.9 mi south of Hwy. 36. 1158 Comment
  HSC54139  Scutellaria californica Gilbert Muth 1979-7-17 8325 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  HSC833  Scutellaria californica William J. Ferlatte 1967-8-7 841 Trinity Canyon Creek Lakes. 1646 Comment
  UC1239700  Scutellaria californica Joseph P. Tracy 1941-6-29 16959 Trinity Hettenshaw Valley 944 Comment
  RSA153445  Scutellaria nana H. K. Sharsmith 1960-8-27 4831 Trinity Near stream draining from Mosquito Lake, ca. 1/3 mile below lake. Salmon-Trinity Alps Wilderness Area, Shasta National Forest. 1936 Comment
Read comments Jun 10 2014
  CHSC80217  Scutellaria siphocampyloides L. P. Janeway 1996-6-7 5007 Trinity Klamath Ranges. Along Van Ness Road above Van Ness Creek, 0.1 mi southeast of Clair Engle Lake. 740 Comment
  HSC35670  Scutellaria siphocampyloides J. P. Smith, J. O. Sawyer 1973-7-4 7064 Trinity Trail 11W26 from Rd. 80, between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC75080  Scutellaria siphocampyloides J. P. Smith 1979-6-15 10085 Trinity Eagle Creek Campground, Shasta-Trinity National Forest 854 Comment
  UC1553493  Scutellaria siphocampyloides E. Dean 1988-6-22 76 Trinity sw of Old Spur Road 35N72Y-A (.25 mi e of jct with Road 35N72Y, Trinity Lake area); Trinity Lake area Comment
  RSA50245  Scutellaria siphocampyloides E. K. Balls 1949-7-6 13830 Trinity 3.4 miles from Minersville Camp on way to Trinity Center. 610 Comment
  SD147964  Scutellaria siphocampyloides Richard Olmstead 1985-5-17 677 Trinity 1.0 mile north of Junction City. 438 Comment
  HSC81840  Sedum lanceolatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6103 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  HSC23593  Sedum lanceolatum var. lanceolatum J. O. Sawyer 1970-5-2 2551 Trinity Above New River 244 Comment
  HSC59347  Sedum laxum subsp. flavidum M. A. Baker 1979-7-1 607 Trinity 1.6 km E of Blue Point Comment
  UCD102015  Sedum laxum subsp. flavidum Carol W. Witham 1993-7-3 546 Trinity approx. 12 air miles south of HayFork and 1.5 air miles WSW of Debakella Mtn., on south side of USFS Road 30N28, 0.5 road mile east of its junction with Road 29. 1371 Comment
  UC967448  Sedum laxum subsp. heckneri Reid Moran 1951-6-13 3484 Trinity 5 mi ne Forest Glen (Post Creek); ne of Forest Glen 883 Comment
Read comments Aug 17 2011
  UC671827  Sedum obtusatum subsp. boreale Joseph T. Gregory 1935-8-8 990 Trinity at head of White's Creek Devil's Canyon Mts., head of White's Creek (e of highest peak, above cirque) 2255 Comment
  UCD102060  Sedum obtusatum subsp. boreale Joseph M. DiTomaso 1976-4-24 492 Trinity Trinity Alps: Swift Creek Trail just southeast of junction with Granite Lake Trail. 1280 Comment
  CHSC63509  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1994-7-11 6393 Trinity Forest Rd. 26 (to Mt. Shasta), 7.8 mi N of Castle Creek Rd. (Forest Rd. 25), between Mumbo Creek and Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir. 1914 Comment
  HSC339  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-8-11 898 Trinity Grizzly Lake Basin; 0.5 mi. N of Grizzly Lake 2134 Comment
  HSC59343  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-1 601 Trinity 5 km N of the junction of Hwy. 3 and Hwy. 36 on Hwy. 3 Comment
  HSC44080  Sedum radiatum Thomas W. Nelson, Jane P. Nelson 1977-6-19 3479 Trinity Along FS Rd. 5E27 S of Senteney Rock 1524 Comment
  UC709458  Sedum radiatum Joseph P. Tracy 1941-8-27 17024 Trinity in fir forest near Cold Springs (South Fork Mountain); , near Cold Springs 1645 Comment
  HSC65874  Sedum spathulifolium M. A. Baker 1980-7-2 2577 Trinity Near Swim Ridge. 1341 Comment
  RSA0074728  Sedum spathulifolium Phyllis Krieg 1979-5-11 s.n. Trinity South facing slope above the Trinity River along side of the Grays Falls Trail. 610 Comment
  RSA0074779  Sedum spathulifolium E. K. Balls, L. W. Lenz 1952-5-13 17234 Trinity 2.7 miles N from Junction City (Hwy 299) along Canyon Creek to Dedrick. 548 Comment
  HSC45296  Sedum spathulifolium var. spathulifolium Brad Klipfel 1975-5-18 612 Trinity Along Hwy. 299 just W of Oregon Mtn. Summit Comment
  HSC41603  Sedum spathulifolium var. spathulifolium J. P. Smith 1977-4-16 9011 Trinity Hwy. 299 at its junction with the road to Helena Comment
  UCD135994  Selaginella wallacei Dean Wm. Taylor; Kathleen A. Teare 1979-9-9 7680 Trinity Twin Sisters Mountain. 1655 Comment
  CAS-BOT-BC363278  Senecio aronicoides P. A. Munz 1951-7-21 16768 Trinity Fisher Ridge, North Yolla Bolly Mts. 2194 Comment
  JEPS95332  Senecio aronicoides Vernon H. Oswald and L. Ahart 1994-6-14 6279 Trinity T38N R5W SE1/4 NE1/4 Sec. 17, 5260 ft, Yellow Pine Forest. Forest Rd. 25 W of Castella, at its jct. with Forest Rd. 26 to Mt. Shasta (city), between Horse Heaven Mdw. and Asbestos Gulch 1603 Comment
  RSA0013323  Senecio aronicoides P. A. Munz 1951-7-21 16768 Trinity Fisher Ridge, North Yolla Bolly Mts. 2195 Comment
  RSA0013324  Senecio aronicoides P. A. Munz 1951-7-18 16674 Trinity north slope of N.Yolla Bolly Peak; North Yolla Bolly Mts. 1982 Comment
  HSC43258  Senecio integerrimus K. Irwin 1977-5-21 340 Trinity Scott Mtn. Campground, 8 mi. E of Callahan 1631 Comment
  JEPS59010  Senecio integerrimus var. exaltatus Elizabeth McClintock 1956-6-15 Trinity on trail to Stoddard Lake, along East Fork of Coffee Creek East Fork of Coffee Creek Comment
  CAS-BOT-BC364056  Senecio integerrimus var. major John Thomas Howell 1937-7-25 13499 Trinity Stuarts Fork of Trinity River 2225 Comment
  HSC28767  Senecio integerrimus var. major J. P. Smith 1973-4-21 6236 Trinity Big Bear Lake trail, N of Eagle Creek Campground 1037 Comment
  JEPS17412  Senecio integerrimus var. major W. L. Jepson 1934-5-6 16656 Trinity South Fork Mt. Comment
  CAS-BOT-BC364052  Senecio integerrimus var. major Eugene Carter 1972-6-21 463 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) Ridge 2 miles west of Hobo Gulch 1691 Comment
  UC130563  Senecio triangularis H. M. Hall July 1909 8540 Trinity Coffee Creek , Coffee Creek (Salmon Mountains) 1219 Comment
  UC481043  Senecio triangularis Annie M. Alexander and Louise Kellogg 1911-7-22 276 Trinity Head Grizzley Creek; Hd. Grizzly Creek 1828 Comment
  UC933432  Senecio triangularis Annie M. Alexander and Louise Kellogg 1948-8-6 5426 Trinity Canyon Creek (tributary Trinity River) , Canyon Creek (Trinity Mountains) 1676 Comment
  RSA0092982  Senecio triangularis Bonnie C. Templeton 1957-06 s.n. Trinity Coffee Creek Canyon. Comment
  UCD135773  Senecio triangularis Joseph M. DiTomaso 1976-7-6 554 Trinity Trinity Alps. Parker Meadows on Swift Creek Trail; near Swift Creek. 1615 Comment
  SEINET3838733  Sericocarpus oregonensis subsp. oregonensis R. W. Spellenberg 2012-9-9 14456 Trinity 100 meters up Friedrich Road from California Highway 299, at Cedar Flat, about 1 kilometer west of crossing Trinity River, southeast of Burnt Ranch. 335 Comment
  UC176757  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1911-10-1 3545 Trinity 5 mi nw of, near the top, Mad River side Picket's Peak; Northern Coast Ranges, South Fork Mountain 1524 Comment
  UC1174985  Sericocarpus oregonensis subsp. oregonensis P. C. Everett and E. K. Balls 1959-10-22 23925 Trinity 10 mi n from entrance to Trinity National Forest Trinity National Forest (along road to Trinity Center) 822 Comment
  RSA20950  Sidalcea malviflora subsp. nana Carl B. Wolf 1937-6-20 8923 Trinity North Coast Range, Along Mad River, 5.8 MI. above Eureka-Red Bluff Road on to Ruth 457 Comment
  HSC67412  Sidalcea oregana Ed Cope, John Palmer Jul 1977 517 Trinity South of trail to Granite Lake. 1280 Comment
  JEPS67253  Sidalcea oregana W. L. Jepson 1897-7-24 14072 Trinity Soldiers Ridge Comment
  HSC65000  Sidalcea oregana subsp. spicata D. L. Goforth 1979-7-21 294 Trinity Trinity Alps Wild Area, Upper Union Creek 1890 Comment
  HSC103150  Silene Dana York 2014-5-4 3210 Trinity Approx. 150 meters N of the Burnt Ranch Post Office, W side of Highway 299 along roadway embankment. 130 Comment
  HSC66144  Silene S. Harris, B. Ferguson, S. Smith 1980-5-3 Trinity Philpot Creek campground 808 Comment
  HSC67250  Silene Thomas W. Nelson 1980-5-30 5347 Trinity Shasta-Trinity National Forest, along Rd. 60/Underwood Mtn. Rd., 6.6 mi. S of junction with Hwy. 299 1067 Comment
  HSC68117  Silene J. P. Smith, J. O. Sawyer 1975-6-1 8191 Trinity 1/2 mi. NW of Wildwood 915 Comment
  HSC73460  Silene Grunert 2 Trinity Philpot Campground 808 Comment
  HSC62966  Silene R. York 1979-5-13 286 Trinity N of Philpot BLM Campground 793 Comment
  HSC67544  Silene J. P. Smith 1975-5-17 8123 Trinity Just N of the confluence of Ditch Gulch and Salt Creek on Hwy. 3 near Peanut 770 Comment
  HSC81879  Silene Thomas W. Nelson, D. Gordon 1980-5-7 5175 Trinity E side of Vista Lane, 5 mi. N of junction with Highland Dr., 3 mi. N of Hyampom Rd. 671 Comment
  RSA66417  Silene californica P. A. Munz 1951-7-17 16591 Trinity Grasshopper Public Camp, 2.5 mi. NW of Stuart Gap, North Yolla Bolly Mts. 1372 Comment
  UC922352  Silene californica Annie M. Alexander and Louise Kellogg 1949-6-26 5700 Trinity n Yolla Bolly Middle Eel Primitive Area (White Rock Ranger Station); n of Yolla Bolly Middle Eel Primitive Area 1706 Comment
  JEPS88000  Silene campanulata subsp. campanulata Barbara Ertter with Thomas J. Delendick 1987-5-16 6948 Trinity on Hwy 299 ca 23 mi e Berry Summit; e of Berry Summit Comment
  HSC4181  Silene campanulata subsp. glandulosa D. E. Anderson 1963-5-12 2433 Trinity Near Trinity-New River canyons. Comment
  CAS-BOT-BC388940  Silene grayi Eugene Carter 1973-6-20 610 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) Ridge south-west of Jorstad Cabin 1463 Comment
  CDA21533  Silene grayi G. F. Hrusa 1993-7-24 11386 Trinity Trinity Mountains; Head of Scorpion Creek. Immediately upslope from pool from which creek originates. Ridge N of Bonanza King Lookout. 1584 Comment
  HSC67432  Silene grayi Ed Cope, John Palmer Jul 1977 530 Trinity South of trail to Granite Lake. 1280 Comment
  SJSU691  Silene hookeri H. E. Barbara Peterson 1941-6-15 Trinity near Weaverville Comment
  CDA24108  Silene hookeri G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-19 2679 Trinity At junction of Rattlesnake and Plummer Lookout Roads, 1.6 km west-southwest of Peanut (Highway 3) at Salt Creek bridge; Philpot Creek drainage. Comment
  CAS-BOT-BC181266  Silene hookeri subsp. hookeri William A. Dayton 1913-7-1 369 Trinity Along roads and trails near Trinity Center, Shasta Forest 701 Comment
  HSC4192  Silene hookeri subsp. hookeri William J. Ferlatte, B. D. Rogers 1966-6-7 2080 Trinity 2 mi. W of Peanut on Hwy. 36 823 Comment
  HSC56755  Silene laciniata subsp. californica G. L. Clifton, Butler 1979-7-18 8449 Trinity Near Jones Ridge, close to the town of Alderpoint 1448 Comment
  CAS-BOT-BC94442  Silene lemmonii R. C. Wenk 2005-7-18 288 Trinity Scott Mountains, border between Trinity and Siskiyou Counties. Along Pacific Crest Trail, 1 mile E of Highway 3 1900 Comment
  HSC40593  Silene lemmonii J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-25 2573 Trinity Along trail to Granite Lake 1372 Comment
  SEINET7040073  Silene noctiflora A. G. Vestal 1963-6-4 s.n. Trinity 2 miles east of Hayfork. Hayfork Quad. UTM Zone 10, 487842mE, 4488891mN. Comment
  HSC26263  Sisymbrium altissimum Thomas W. Nelson 1971-5-9 436 Trinity Beside Hwy. 36 at Forest Glenn Comment
  RSA123779  Sisyrinchium bellum G. D. Barbe 1955-7-27 292 Trinity Just south of Scott Mtn Forest Camp. 1616 Comment
  SEINET7091116  Sisyrinchium bellum Douglass M. Henderson 1985-6-6 6963 Trinity Trinity Mountians, Shasta-Trinity National Forest, Highway 3 circa 5.4 miles south of Scott Mountain Pass along upper Trinity River. Ex University of Idaho Stillinger Herbarium (ID), Acc. No. 118811. 960 Comment
  UC2046527  Sisyrinchium bellum William J. Ferlatte 1976-7-8 1788 Trinity meadow at Deer Flat Comment
  HSC46875  Smilax californica William J. Ferlatte 1974-8-14 1611 Trinity Long Canyon, along trail. 1768 Comment
  CAS-BOT-BC34691  Solanum lycopersicum L. B. Kildale 1930-10-5 10442 Trinity Van Duzen River near Cobbs. Comment
  HSC21313  Solanum parishii R. Spellenberg 1963-6-16 163 Trinity Spellenberg Ranch, Burnt Ranch Comment
  HSC59470  Solanum parishii M. A. Ericksen 1979-5-12 269 Trinity Above Deer Lick Springs Rd., 2.5 mi. from S Fork Jct. Comment
  HSC95801  Solanum parishii Vernon H. Oswald, L. Ahart 1997-7-17 8746 Trinity Forest Route 29 (Trinity National Forest) .2 mi. S of Jct. with 29N58 (to Forest Glen) 5.8 mi. S of Hwy. 36 1482 Comment
  UCD126965  Solanum parishii Joseph M. DiTomaso 1975-7-14 125 Trinity Trinity Alps. 3/4 mile west of junction with Long Canyon Trail on Bowerman Meadow Trail. 1706 Comment
  CAS-BOT-BC157490  Solanum umbelliferum J. T. Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53504 Trinity One-eye Flat, about 1.7 miles north of Carrville, Trinity River Canyon 756 Comment
  CAS-BOT-BC157582  Solanum umbelliferum H. S. Yates 1914-5-19 7 -65 Trinity Trinity National Forest. Hills North east of Weaverville 853 Comment
  RSA21434  Solidago californica C. B. Wolf 1937-8-12 9197 Trinity North Coast Range, South Fork Mt., Cold Spring Lookout. 1646 Comment
  CHSC30268  Solidago multiradiata M. S. Taylor 1980-8-26 3309 Trinity Parker Meadow, 100 ft n of Swift Creek trail, ca. 9 mi w of Trinity Center. 1615 Comment
  JEPS95385  Solidago multiradiata Vernon H. Oswald and Lowell Ahart 1994-8-1 6435 Trinity ca. 3 mi (air) wnw Mt. Eddy (s side of Forest Rd.17, Deadfall Meadow along Deadfall Creek); Deadfall Meadow, Deadfall Creek 1950 Comment
  CAS-BOT-BC374411  Sonchus asper Eugene Carter 1974-8-30 882 Trinity Salmon-Trinity Alps and vicinity. Along the North Fork Road near the Rich Gulch Road 495 Comment
  HSC18904  Sorbus californica J. O. Sawyer 1968-9-1 641 Trinity Along Limestone Ridge from Pony Mtn. to Marble Springs 1799 Comment
  CAS-BOT-BC390615  Spergularia rubra Mrs. E. C. Van Dyke 1931-6-18 s.n. Trinity Weaverville Comment
  UC922619  Spiraea douglasii Annie M. Alexander and Louise Kellogg 1948-8-10 5474 Trinity Trinity Creek Trinity Mountains, Trinity River (a tributary of Trinity River) 1676 Comment
  CAS-BOT-BC147946  Spiraea douglasii Mrs. E. C. Van Dyke 1931-6-23 s.n. Trinity Nash Mine above Carville Comment
  HSC54051  Spiranthes porrifolia G. L. Clifton, Butler 1979-7-17 8055 Trinity Near Clover Gulch, close to the town of Mad River 893 Comment
  HSC66342  Spiranthes porrifolia M. S. Taylor 1980-7-22 3153 Trinity N side of FS 38N22 along creek, 1.6 mi. N of its jct. with Hwy. 135, near Eagle Creek Ranch 976 Comment
  CAS-BOT-BC240329  Spiranthes romanzoffiana John Thomas Howell 1936-8-24 12734 Trinity Field redacted by CAS, contact the data manager for more information Comment
  SBBG25861  Stachys albens D. Myrick 1966-8-7 1470 Trinity White Rock Camp, North Yolla Bolly Mtns 1828 Comment
  POM283277  Stachys bullata Lyman Benson 1930-7-18 s.n. Trinity Middle N Coast mtn range. Trinity River. 457 Comment
  CAS-BOT-BC395092  Stellaria nitens Herb. G. R. Kleeberger 1880-5-15 s.n. Trinity Weaverville Comment
  HSC68051  Stellaria nitens J. P. Smith, J. O. Sawyer 1973-4-15 6108 Trinity 1.2 mi. E of Bridge Camp on Stewart Fork 762 Comment
  UC184861  Stephanomeria lactucina Harry S. Yates 1914-7-13 477 Trinity divide between Slate Creek and Bear Creek 1402 Comment
  CDA11052  Stephanomeria paniculata G. F. Hrusa, R. Gross, D. Ragan, A. Buckman 1993-10-23 11442 Trinity Klamath Ranges; Rackerby Ridge, approx. 1 mile directly S of Jackass Springs. Comment
  CAS-BOT-BC375949  Stephanomeria virgata L. B. Kildale 1930-9-1 10455 Trinity Trinity River at Big French Creek Comment
  HSC40531  Stipa lemmonii Thomas W. Nelson, Jane P. Nelson 1976-7-1 2936 Trinity Along Rd 5E27, just N of junction with 1S07. 1524 Comment
  CHSC100822  Streptanthus barbatus Susan Bazell; John Whittlesey et. al. 2008-8-31 58 Trinity Trail to Deadfall Lakes. 2133 Comment
  CHSC30348  Streptanthus barbatus M. S. Taylor 1980-8-13 3231 Trinity On w side of 29N33 (Panther Ridge Rd, ca. 0.5 mi nw of its jct with 29N34, ca. 1.2 mi nw of its jct with Hwy 36, ca. 5 mi sw of Wildwood). 1493 Comment
  CHSC68998  Streptanthus barbatus Vernon Oswald; Lowell Ahart 1997-7-17 8719 Trinity Forest Road 29 (Bramlot Rd.) 2.9 mi south of Hwy. 36. 1158 Comment
  UC1553579  Streptanthus barbatus E. Dean 1988-7-8 106 Trinity Rd. 29N28 0.1 mi s jct with 29N43 (border of Trinity and Shasta Cos.); Brushy Mtn. area Comment
  UCD164176  Streptanthus barbatus N. Ivalu Cacho; Sharon Y. Strauss 2010-8-28 IC-SS 163 - Trinity Hwy 3, just between mile markers 79.99 and 79.82. 1108 Comment
  CAS-BOT-BC61140  Streptanthus barbatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53527 Trinity One-eye Flat, about 1.7 mile north of Carrville. Trinity River Canyon. 755 Comment
  CAS-BOT-BC61141  Streptanthus barbatus Clare B. Hardham 1971-8-12 18351 Trinity Trinity River where it enters Trinity Lake. Comment
  CAS-BOT-BC61262  Streptanthus breweri L. Constance; R. Bacigalupi; S. Carlquist; R. Moran; R. L. Rodriguez 1951-6-13 3387 Trinity Post Creek, 6.8 miles west of Peanut on road to Forest Glen. Comment
  JEPS109663  Streptanthus breweri Dean W. Taylor 2002-6-27 18185 Trinity Hayfork Divide, jeep road ca. 0.5 miles north of Hayfork Summit on HIghway 3 1188 Comment
  JEPS81085  Streptanthus breweri Thomas W. Nelson and Jane P. Nelson 1980-6-20 5718 Trinity along road 29N73 1.6 mi s junction with State Road 36; Shasta-Trinity National Forest, Dubakella Quad. 1219 Comment
  UC956523  Streptanthus breweri var. breweri Freed W. Hoffman 1948-7-15 2315 Trinity Peanut-Forest Glen rd 9.4 mi w Peanut; North Coast Ranges, Post Creek 960 Comment
  HSC67294  Streptanthus drepanoides Thomas W. Nelson, Jane P. Nelson 1980-6-17 5502 Trinity Shasta-Trinity National Forest, along Salt Creek Rd. at junction with FS Rd. 30N24 945 Comment
  UC1736545  Streptanthus drepanoides Dean W. Taylor 1992-6-12 12730 Trinity Saddle Gulch, tributary to Hayfork Creek, ca. 2 air miles S of Wildwood; along Forest Road 30 near the creek crossing, on an abandoned logging spur 1127 Comment
  CAS-BOT-BC87894  Streptanthus tortuosus Annie M. Alexander; Louise Kellogg 1948-8-5 5395 Trinity Trinity Mountains. West of Lower Canyon Lake. 1737 Comment
  HSC78306  Streptanthus tortuosus John S. Palmer 1973-7-8 125 Trinity Bear Lakes Area, N of Little Bear Lake 1860 Comment
  SEINET3838556  Streptanthus tortuosus R. W. Spellenberg 2010-4-14 14144 Trinity 3.6 kilometers southeast of Burnt Ranch Post Office on Highway 299, mostly just north of China Slide. 2 kilometers northwest of Trinity River crossing at Cedar Flat. 375 Comment
  UCD116121  Streptanthus tortuosus Joseph M. DiTomaso 1976-6-29 517 Trinity Trinity Alps, Stuarts Fork Trail below Emerald Lake. 1554 Comment
  UC275352  Streptanthus tortuosus var. orbiculatus Joseph P. Tracy 1923-6-29 6427 Trinity on rocky cliff near mouth of North Fork; Northern Coast Ranges, Trinity River 609 Comment
  HSC31951  Streptanthus tortuosus var. tortuosus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5517 Trinity Black Lassic 1738 Comment
  CAS-BOT-BC48107  Suksdorfia ranunculifolia C. L. Hitchcock; J. S. Martin 1939-7-11 5377 Trinity Between upper and lower Canyon Creek Lake, 11 miles north of Dedrick in Salmon-Trinity Alps 1889 Comment
  JEPS46363  Swertia albicaulis var. nitida Joseph P. Tracy 1923-6-30 6466 Trinity Hay Fork Valley Northern Coast Ranges 792 Comment
  JEPS77435  Swertia albicaulis var. nitida William J. Ferlatte 1976-7-10 1825 Trinity Swift Creek Trail, 0.25 mi w of road's end Trinity Alps 1220 Comment
  CAS-BOT-BC245848  Symphoricarpos L. R. Abrams 1916-7-22 6183 Trinity Summit on ridge between Mad and Trinity Rivers on Eureka-Red Bluff Road Comment
  CAS-BOT-BC237093  Symphoricarpos mollis Alice Eastwood 1921-7-22 10705 Trinity Forest Glen, Trinity Nat'l Forest Comment
  HSC74116  Symphoricarpos mollis Gail Newton 1980-7-13 1381 Trinity Near Red Rock. 1509 Comment
  JEPS123165  Symphoricarpos mollis D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 138 Trinity Scorpion Lake Comment
  UC1239539  Symphoricarpos mollis Joseph P. Tracy 14633 Trinity head of White's Creek; Devil's Canyon Mts. 2072 Comment
  CHSC267  Symphyotrichum ascendens V. Holt 1942-8-9 Trinity Deer Creek, Trinity Alps. Comment
  CAS-BOT-BC97893  Symphyotrichum eatonii P. A. Munz 1936-8-11 14368 Trinity Little Trinity River, Forest Glenn 762 Comment
  HSC92265  Symphyotrichum foliaceum var. parryi Jennifer Whipple 1977-9-9 2291 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  CAS-BOT-BC98545  Symphyotrichum spathulatum A. R. Kruckeberg 1954-8-11 3755 Trinity Meadowy slopes bordering upper Derr Creek, 1/2 mile above Derr Cr. Camp, on trail to Red Mtn. 1981 Comment
  CAS-BOT-BC98857  Symphyotrichum spathulatum var. intermedium John Thomas Howell 1936-8-26 12798 A Trinity 8 miles n. of Carrville Comment
  HSC46856  Symphyotrichum spathulatum var. spathulatum William J. Ferlatte 1976-9-21 1828 Trinity Big Flat at head of Coffee Creek; W side of Coffee Creek Rd., W edge of ephemeral pond (Lake Martin) at high water mark 1524 Comment
  HSC27154  Synthyris cordata J. P. Smith, J. O. Sawyer 1973-2-10 5831 Trinity New River Trail from Gray Falls Campground on N side of Trinity River and W side of New River 244 Comment
  UC1103477  Taeniatherum caput-medusae Joseph P. Tracy 1941-6-29 16921 Trinity 5 mi se of Low Gap (Van Duzen River); Van Duzen River 792 Comment
  UC1446101  Tauschia glauca Timothy P. Spira 1979-7-20 585 Trinity off dirt rd ca 1 1/2 air mi nw Wyntoon (near Flume Creek); Bonanza King Quad., near Flume Creek 853 Comment
  UCD128112  Tauschia glauca G. F. Hrusa 1992-5-3 10435 Trinity Along lower Scorpion Creek, road to Bonanza King Lookout off Highway 3. Comment
  HSC54392  Taxus brevifolia Gilbert Muth 1979-7-18 8523 Trinity Near Armstrong Creek, close to the town of Mad River 914 Comment
  RSA66882  Taxus brevifolia Philip A. Munz 1951-7-17 16554 Trinity North Yolla Bolly Mountains, Grasshopper Public Camp, 1.5 miles northwest of Stuart Gap Comment
  UC667098  Tellima grandiflora Joseph P. Tracy 1935-8-6 14689 Trinity near White's Creek Lake (at head of White's Creek); Devil's Canyon Mts. 1889 Comment
  HSC50823  Thalictrum polycarpum G. L. Clifton, Overton 1979-6-3 3640 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  UC582838  Thelypteris nevadensis P. A. Munz 1936-8-10 14342 Trinity 5 mi w Forest Glen Comment
  UC463024  Thelypteris nevadensis E. B. Copeland 1931-8-18 Trinity S. Fork Mt. 900 Comment
  SEINET10448381  Thlaspi montanum Mary Susan Taylor 1980-7-23 Taylor 3184 Trinity Shasta-Trinity Natl Forest, on N side of Upper Bluff Lake Road (40N98A), in meadow in Yellow Pine Forest, ca. 19.6 mi NE of Trumble's Ranch on Hwy 3 via rd 42N17. 2073 Comment
  UC562696  Thlaspi montanum var. montanum Joseph P. Tracy 1935-8-3 14460 Trinity Mary Blaine Mt. 1950 Comment
  CAS-BOT-BC66863  Thysanocarpus curvipes Eugene Carter 1976-5-1 1109 Trinity North Fork Trinity River and vicinity. Pigeon Point Campground on the Trinity River. 426 Comment
  HSC26801  Thysanocarpus curvipes Thomas W. Nelson 1971-4-25 415 Trinity Hwy. 299 at Big Flat Comment
  HSC64810  Thysanocarpus curvipes J. P. Smith, Thomas W. Nelson, Jane P. Nelson 1976-3-20 8516 Trinity Hwy. 299, 7 mi. W of Whites Bar, above Trinity River 427 Comment
  SEINET10475628  Tofieldia glutinosa subsp. occidentalis Mary Susan Taylor 1980-8-26 Taylor 3307 Trinity T36N R9W west center sec 1, Coffee Creek quad. Shasta-Trinity Natl Forest, SE side of Panther Meadow along a creek at forest edge, ca. 100 ft N of Swift Creek trail, ca. 9 mi W of Trinity Center. 1585 Comment
  JEPS88171  Tolmiea diplomenziesii V. H. Oswald, Lowell Ahart and Robin Ondricek-Fallsheer 1996-7-1 7933 Trinity nw of Platina (Deer Lick Knob Rd (Forest Route 1), 16.0 mi n (odometer) of Hwy 36 (via Harrison Gulch Rd)); High North Coast Ranges 1066 Comment
  CHSC48911  Tolmiea menziesii Vernon Oswald 1986-6-9 2105 Trinity Hwy 36 between Hayfork Creek and Hwy 3, 31.9 mi e of the Humboldt-Trinity Co. line. 1280 Comment
  HSC35164  Tonella tenella Advanced Plant Taxonomy Class 1975-5-17 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  HSC64202  Tonella tenella J. O. Sawyer, R. J. Cole 1978-4-22 3090 Trinity 8 mi. up Big French Creek Rd. (5N13) towards Ironside Mtn. Lookout. 1067 Comment
  JEPS47364  Tonella tenella L. R. Heckard, and Robert Ornduff 1966-4-29 1499 Trinity about 9 road mi from Hyampom (along road from Hayfork to Hyampom) 609 Comment
  RSA276659  Tonestus lyallii William J. Ferlatte, Alice Q. Howard 1970-8-11 1308 Trinity Thompson Peak. Ridge west of summit. 2683 Comment
  UCD138329  Triantha occidentalis Joseph M. DiTomaso 1976-7-6 551 Trinity Trinity Alps, Parker Meadows on Swift Creek Trail. 1615 Comment
  CAS-BOT-BC519589  Triantha occidentalis subsp. occidentalis John Thomas Howell 1936-8-24 12729 Trinity Summit of Scott Mountain n. of Carrville Comment
  CHSC82588  Trichostema laxum L. P. Janeway 2001-7-8 7312 Trinity Klamath Ranges. On ridgetop 2.4 km north of Red Mountain. Vernal pool on ridgetop. 1660 Comment
  HSC71126  Trichostema laxum Gail Newton 1980-7-9 1097 Trinity Near Shanty Creek. 1113 Comment
  UC1173696  Trichostema laxum Joseph P. Tracy 1939-9-4 16481 Trinity Van Duzen River, 3 mi above Low Gap Comment
  UCD117571  Trientalis latifolia Joseph M. DiTomaso 1975-7-21 156 Trinity Trinity Alps, 3 miles short of Boulder Lake on Poison Canyon Trail. 1706 Comment
  HSC71396  Trifolium breweri J. P. Smith, J. O. Sawyer 1972-5-27 5305 Trinity Eagle Creek Campground, along Trinity River. 869 Comment
  UCD107596  Trifolium breweri Joseph M. DiTomaso 1975-8-25 291 Trinity Trinity Alps. 1/2 mile E of Mumford Meadows on Swift Creek Trail. 1645 Comment
  UC1223484  Trifolium cyathiferum Joseph P. Tracy 1935-7-30 14367 Trinity sw Salmon Summit (sloping into western most branch of Virgin Creek) Comment
  RSA66468  Trifolium cyathiferum Philip A. Munz 1951-7-21 16807 Trinity S slope of North Yolla Bolly Peak 2271 Comment
  CDA4288  Trifolium dubium T. C. Fuller 1964-6-23 12231 Trinity Road to Douglas City, 1.7 miles east of Hayfork. 0 Comment
  HSC42487  Trifolium eriocephalum Robert M. Specht 1977-6-30 1138 Trinity Ukiah District [somewhere within the BLM district bounday, see County and TRS for location, not from the city of Ukiah proper] Comment
  CAS-BOT-BC94433  Trifolium howellii R. C. Wenk 2005-7-18 270 Trinity Scott Mountains, border between Trinity and Siskiyou Counties. Along Hwy 3 between Callahan and Coffee Creek, near Scott 1800 Comment
  JEPS74471  Trifolium longipes W. J. Ferlatte 1966-6-30 156 Trinity Canyon Creek Lakes Trinity Alps 1645 Comment
  SEINET8477176  Trifolium longipes D. Taylor 2012-7-20 21286 Trinity Trinity Mountains, Grouse lake, outlet stream of the lake. Whisky Bill Peak, CA. 1783 Comment
  RSA211160  Trifolium longipes subsp. elmeri William J. Ferlatte 513 Trinity Big Flat 1524 Comment
  HSC40656  Trifolium longipes subsp. oreganum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2956 Trinity Along FS Rd. 5E27 just S of Senteney Rock 1524 Comment
  UCD111287  Trifolium longipes var. elmeri Joseph M. DiTomaso 1975-8-1 226 Trinity 0.75 mile east of Marshy Lakes. 1752 Comment
  RSA296767  Trifolium microcephalum J. P. Smith, J. O. Sawyer, T. W. Nelson 1978-5-7 9896 Trinity Blanchard Flat Road to Reese Bros. Coal Mine. 610 Comment
  CHSC30152  Trifolium pratense M. S. Taylor 1980-6-11 2830 Trinity Big Var, on the s side of Trinity River, a few feet from the s side of the bridge leading to Big Var Campground. 457 Comment
  HSC65025  Trifolium productum D. L. Goforth 1979-6-15 169 Trinity Trinity Alps Wild Area, N of Landers Lake 2180 Comment
  UC1223323  Trifolium repens Joseph P. Tracy 1935-6-30 14365 Trinity head Virgin Creek (meadow) 1828 Comment
  HSC46838  Trifolium repens William J. Ferlatte 1974-7-16 1551 Trinity Big Flat, W of U.S.F.S. Campground 1524 Comment
  UCR143386  Trifolium variegatum C. B. Wolf 1937-6-20 8935 Trinity North Coast Range, Six Rivers National Forest, along Mad River, 5.8 mi above Eureka-Red Bluff Road on road to Ruth 457 Comment
  HSC45789  Trifolium willdenovii Brad Klipfel 1975-5-3 599 Trinity Grays Falls along N side of the Trinity River Comment
  CAS-BOT-BC520859  Trillium albidum Alice Eastwood 1915-4-22 s.n. Trinity Weaverville Comment
  HSC31686  Trillium albidum D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-16 5695 Trinity Along ridge road on South Fork Mtn., 5 mi. N of its jct. with Hwy. 36 Comment
  HSC40426  Trillium ovatum subsp. oettingeri J. O. Sawyer 1973-6-5 2505 Trinity Scott Mtn. Summit, W of Hwy. 3 1738 Comment
  HSC78256  Trillium ovatum subsp. oettingeri John S. Palmer 1976-7-2 438 Trinity Along Log Lake Creek 1585 Comment
  CHSC93415  Trisetum canescens B. Castro; L. Janeway 1996-7-7 681 Trinity Ca. 2.5 air mi NNE of Trinity Mtn, in upper drainage of Feeny Gulch. Along dirt road ca 1 rd mi NE of its jcn with Feeny Gulch Rd (which is USFS Rd 35N32); this road is <0.5 mi to the W of and roughly parallels the Shasta-Trinity Co. Line Rd. 1230 Comment
  HSC34695  Trisetum canescens Dryden 1975-5-16 170 Trinity Trails above the Trinity River at Gray Falls Campground. 310 Comment
  UCD93897  Trisetum canescens H. S. Yates 1914-7-16 529 Trinity Head of Rush Creek. Comment
  HSC40331  Trisetum cernuum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2882 Trinity Below Senteney Rock. 1463 Comment
  CAS-BOT-BC135783  Triteleia crocea Mrs. H. C. Cantelow 1936-5-20 s.n. Trinity 8 miles n. of Carrville Comment
  SEINET3888924  Triteleia crocea var. modesta Christopher Davidson 1975-6-5 2700 Trinity 4.5 mi S of Scott Mtn Summit on Hwy 3, near bridge over Tangle Blue Cr.; 0 1097 Comment
  HSC27305  Triteleia hyacinthina J. P. Smith, J. O. Sawyer 1972-5-27 5329 Trinity 0.5 mi. N of Eagle Creek Campground 869 Comment
  CAS-BOT-BC522324  Triteleia hyacinthina John Thomas Howell 1937-7-21 13236 Trinity Big Flat Comment
  CAS-BOT-BC522325  Triteleia hyacinthina H. C. Cantelow 1939-6-5 3936 Trinity Mad River, 11 mi. S.E. of Ruth Comment
  UC922503  Triteleia ixioides subsp. anilina Annie M. Alexander and Louise Kellogg 1949-6-25 5697 Trinity road to White Rock Ranger Station 1554 Comment
  UCD126409  Turritis glabra Robert E. Preston 1985-5-11 515 Trinity 5.3 km east of Junction City, on the north side of Highway 299. 760 Comment
  SEINET10869797  Utricularia vulgaris Mary Susan Taylor 1980-6-12 Taylor 2866 Trinity Shallow mountain lake, on S side of 5N40, ca. 3.7 mi S of its jct with Underwood Mountain Road (5N09), ca. 9.5 mi S of Trinity Hwy (299) at Burnt Ranch; Shasta National Forest. Comment
  UCD102279  Vaccinium scoparium Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-18 s.n. Trinity Weed. Stewart Springs Road-Parks Road. Mount Eddy Trail. 2490 Comment
  HSC3390  Vancouveria planipetala D. E. Anderson 1965-5-8 3661 Trinity 8 mi. SE of Willow Creek along Hwy. 299. Comment
  SEINET12048933  Veratrum insolitum J. P. Tracy 1949-1 18368 B Trinity South Fork Mt., near gravelly flat known as the 'Race Track 1676 Comment
  HSC55531  Verbascum thapsus G. L. Clifton 1979-7-19 8606 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  UCR45404  Verbascum thapsus Michelle A. Strull 1985-7-9 57 Trinity 1/8 mi east of FS Road 33N52 on the Bear Creek Trail 1692 Comment
  HSC71529  Verbena lasiostachys J. P. Smith, Thomas W. Nelson 1979-6-26 10222 Trinity Shasta-Trinity National Forest, Philpot Campground on Philpot Creek. 793 Comment
  HSC72894  Verbena lasiostachys var. lasiostachys Gail Newton 1980-7-1 781 Trinity Near Hayden Roughs. 1250 Comment