40.39980 40.49980 -121.58700 -121.48700 UC/JEPS: Consortium Search Results
Search Results — 2005 specimen records retrieved (2005 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77983  Abies concolor John Thomas Howell 1960-8-19 36141 Tehama Brokeoff Mt. Trail 2590 Comment
  UC401294  Abies concolor H. E. Brown Aug 1 1897-Aug 15 1897 671 1/2 Plumas near Lassen Buttes 1828 Comment
  CAS-BOT-BC78094  Abies magnifica John Thomas Howell 1960-8-19 36140 Tehama Brokeoff Mt. Trail 2590 Comment
  CAS-BOT-BC78099  Abies magnifica Elmer I. Applegate 1929-6-20 5768 Shasta Mt. Lassen, above [Drakes-bad] Drakesbad Comment
  CHSC24166  Abies magnifica C. E. Stopher 1976-2-1 4 Tehama 8.7 km n of jct. Hwy. 99 and Hwy. 36 on Hwy. 89. On s side of road 100 m from road. 2000 Comment
  RSA0088655  Abies magnifica Bonnie C. Templeton 1968-6-11 11328 Shasta Near Sulphur Works, on road to Mt. Lassen. 2316 Comment
  JEPS47995  Abies magnifica var. magnifica W. L. Jepson 1910-6-8 4090 Shasta Lassen Peak 2286 Comment
  CAS-BOT-BC330991  Acer glabrum var. glabrum Hans Leschke 1964-8-2 1882 Tehama Between Mill Creek Falls & Ski Hut, Lassen Volcanic National Park Comment
  CAS-BOT-BC330993  Acer glabrum var. glabrum John Thomas Howell 1960-8-18 36024 Tehama Near Lassen Volcanic National Park, Bluff Falls 1981 Comment
  UC998327  Acer glabrum var. glabrum E. K. Balls and P. C. Everett 1952-10-14 18206 Shasta Hwy 89, 5.8 mi sw Summit Pass (on Mt. Lassen); Mt. Lassen, sw of Summit Pass 2133 Comment
  UCD116972  Acer glabrum var. glabrum John Thomas Howell 1961-6-20 36565 Tehama Lassen Highway at Diamond Point. 2209 Comment
  CHSC61079  Acer glabrum var. torreyi Vernon Oswald; Lowell Ahart 1993-7-27 5718 Shasta Lassen Volcanic National Park. E side of the drainages above (south of ) the lower lake in Blue Lake Canyon. 2133 Comment
  RSA603232  Acer glabrum var. torreyi C. Epling, Wm. Robinson 1935-7-19 s.n. Lassen Sulphur Spring, Lassen Park Comment
Read comments
May 1 2013
  RSA79092  Acer glabrum var. torreyi E. K. Balls, Percy C. Everett 1952-10-14 18206 Shasta 5.8 miles southwest of Summit Pass, Highway 89, on Mount Lassen 2134 Comment
  JEPS28770  Achillea millefolium George W. Gillett 1957-8-13 1067 Tehama south exposure of upper Brokeoff formation, rock-strewn Brokeoff Mountain; Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  OBI55505  Achillea millefolium David J. Keil 1992-7-25 23596 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  CAS-BOT-BC210752  Achnatherum nelsonii George W. Gillett 1957-8-18 1103 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mtn. Trail, from Sulphur Works checking station 2103 Comment
  CAS-BOT-BC217988  Achnatherum nelsonii John Thomas Howell 1960-8-18 36089 Tehama Sulphur Works Checking Station 2011 Comment
  JEPS28283  Achnatherum nelsonii subsp. dorei George W. Gillett 1957-8-18 1103 Tehama ca. 1/4 mi. above Sulphur Works Checking Station (lower portion Brokeoff Trail, Brokeoff Mt.); Lassen Volcanic Nat'l Park, Brokeoff Mt. 2103 Comment
  SEINET232905 Image available Achnatherum nelsonii subsp. nelsonii L. R. Firestone, H Firestone 1983-8-11 8337 Shasta Lassen Volcanic NP ; 0.9 mi south of parking area in view of Diamond Peak Lassen Peak and Little Hot Springs Valley Comment
  CAS-BOT-BC216902  Achnatherum occidentale John Thomas Howell 1960-8-19 36182 Shasta Summit ridge, Brokeoff Mountain 2773 Comment
  CAS-BOT-BC216907  Achnatherum occidentale Hans Leschke 1945-9-14 s.n. Shasta Mount Lassen trail to summit Comment
  CAS-BOT-BC216908  Achnatherum occidentale Hans Leschke 1945-9-14 s.n. Shasta Mount Lassen, trail to summit Comment
  UCD50951  Achnatherum occidentale John Thomas Howell 1960-8-19 36182 Shasta Summit ridge Brokeoff Mt. 2743 Comment
  CAS-BOT-BC210876  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-8-18 36040 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC210878  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-8-19 36146 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2590 Comment
  CAS-BOT-BC210879  Achnatherum occidentale subsp. californicum George W. Gillett 1957-8-18 1096 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mtn. trail, from Sulphur Works checking station 2103 Comment
  CHSC54541  Achnatherum occidentale subsp. californicum Vernon H. Oswald 1991-8-16 4829 Shasta Trail along the east side of Crumbaugh Lake, just south of its junction with the trail to Conard Meadows. Lassen Volcanic National Park. 2197 Comment
  JEPS28281  Achnatherum occidentale subsp. californicum George W. Gillett 1957-8-18 1096 Tehama 1/4 mi above Sulphur Works Checking Station (lower portion of Brokeoff Mt. Trail); Lassen Volcanic Nat'l Park, Brokeoff Mt. 2103 Comment
  UC768840  Achnatherum occidentale subsp. californicum R. F. Hoover 1940-9-21 4608 Shasta Lassen Peak, se flank Lassen Peak Comment
  UCD51148  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-8-19 36146 Tehama Brokeoff Mountain Trail. 2590 Comment
  UC769937  Achnatherum occidentale subsp. occidentale R. F. Hoover 1940-9-21 4609 Shasta se flank of Lassen Peak Lassen Peak Comment
  CAS-BOT-BC218633  Achnatherum occidentale subsp. pubescens John Thomas Howell 1960-8-18 36090 Tehama Sulphur Works Checking Station, Lassen Volcanic National Park 2011 Comment
  UCD51414  Achnatherum stillmanii R. J. Day 1962-9-26 2 Shasta Latour State Forest. 1584 Comment
  UCD55537  Achnatherum stillmanii W. R. Powell 1960-8-19 s.n. Shasta Ca. 8 miles north of Viola, Latour State Forest. 1706 Comment
  UC853391  Aconitum columbianum E. G. Anderson 1935-8-28 Shasta Lassen Volcanic Nat'l Park, Crescent Cliffs 2286 Comment
  CAS-BOT-BC391372  Aconitum columbianum subsp. columbianum John Thomas Howell 1960-8-18 36077 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC391491  Aconitum columbianum subsp. columbianum Mrs. C. C. Bruce 1897-7-1 1206 Shasta Mt Lassen Comment
  CAS-BOT-BC412896  Aconogonon davisiae H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. By Emerald Lake 2500 Comment
  CAS-BOT-BC412898  Aconogonon davisiae Alice Eastwood 1912-8-22 1850 Shasta Lassen Butte Comment
  CAS-BOT-BC412929  Aconogonon davisiae John Thomas Howell 1960-8-19 36159 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CAS-BOT-BC412930  Aconogonon davisiae John Thomas Howell 1960-8-19 36158 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  HSC40167  Aconogonon davisiae Thomas W. Nelson, Jane P. Nelson 1976-8-1 3115 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  CAS-BOT-BC418778  Aconogonon phytolaccifolium John Thomas Howell 1960-8-18 36057 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC59141  Aconogonon phytolaccifolium Vernon H. Oswald 1992-8-19 5162 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy.89) at the parking area, Brokeoff Mtn. trailhead. Growing on the bank of a drainage crossing the road at the trailhead. 2023 Comment
  UC853420  Actaea rubra E. G. Anderson 1935-8-28 Shasta Lassen Volcanic Nat'l Park, Crescent Cliffs 2286 Comment
  CHSC43606  Ageratina occidentalis Vernon Oswald 1986-8-20 2285 Shasta Lassen Hwy on the E side of Diamond Peak, Lassen Volcanic National Park. 2225 Comment
  JEPS29569  Ageratina occidentalis John Thomas Howell 1960-8-23 36454 Shasta e of Diamond Peak; Lassen Loop 2225 Comment
  UC896506  Ageratina occidentalis E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CHSC54461  Agoseris aurantiaca Vernon Oswald 1991-7-22 4762 Shasta Lassen Volcanic National Park. In Blue Lake Canyon on the north side of the unnamed lake located ca. 0.25 mile west of Blue Lake, ca. 3 miles (air) west-southwest of Lassen Peak. 2023 Comment
  CAS-BOT-BC13242  Agoseris monticola H. E. Brown 1897-8-1 622 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC13243  Agoseris monticola J. T. Howell 1960-8-19 36122 Tehama Lassen Volcanic National park, Brokeoff Mt Trail 2346 Comment
  JEPS28744  Agoseris monticola George W. Gillett 1957-8-10 1026 Shasta saddle between Pilot Pinnacle and Ski Heil Pilot Pinnacle; Lassen Volcanic Natl. Park 2636 Comment
  JEPS28764  Agoseris monticola George W. Gillett 1957-8-13 1059 Tehama ca 1.5 mi from Sulphur Works Checking Station ((near Brokeoff Trail)); Lassen Volcanic Natl. Park, Brokeoff Mountain 2286 Comment
  CAS-BOT-BC127396  Agrostis exarata W. B. Cooke; V. G. Cooke 1976-10-11 53550 Tehama Lassen Volcanic National Park. Lower Brokeoff Mountain trail. 2362 Comment
  CHSC59151  Agrostis exarata Vernon H. Oswald 1992-8-19 5165 Tehama Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy., ca. 0.5 mi NW of the Southwest Entrance Station. Lassen Volcanic National Park. 2194 Comment
  UC1543798  Agrostis exarata Harold and Virginia Bailey 1948-8-28 3070 a Tehama in meadow below Ski Hut (near Sulphur Creek campground); Lassen Volcanic National Park 2011 Comment
  UCD32838  Agrostis exarata Beecher Crampton 1964-8-26 7174 Shasta Shasta County, Lassen National Park, Emerald lake. 2438 Comment
  UCD52320  Agrostis exarata Beecher Crampton 1964-8-26 7174 Shasta Lassen Volcanic National Park; Park Highway, Emerald Lake. 2438 Comment
  RSA201372  Agrostis humilis J. T. Howell 1960-8-18 36103 Tehama Lassen Volcanic National Park, Sulphur Works Checking Station 2012 Comment
  SBBG115777  Agrostis idahoensis B. Crampton 1964-8-26 7175 Shasta Emerald Lake 2438 Comment
  SBBG26325  Agrostis idahoensis B. Crampton 1964-8-26 7175 Shasta Emerald Lake 2438 Comment
  UCD32839  Agrostis idahoensis Beecher Crampton 1964-8-26 7175 Shasta Shasta County, Lassen National Park, Emerald lake. 2438 Comment
  UCD52787  Agrostis idahoensis Beecher Crampton 1964-8-26 7175 Shasta Lassen Volcanic National Park, Park Highway, Emerald Lake. 2438 Comment
  UC1543796  Agrostis oregonensis Harold and Virginia Bailey 1948-8-28 3064 e Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC138700  Agrostis scabra John Thomas Howell 1939-8-12 15291 Shasta Sulfphur Works, Mount Lassen. 2133 Comment
  CHSC60471  Agrostis scabra Mary Ann Showers 1992-7-19 2666 Shasta Hot springs area below Pilot Pinnacle. Lassen Volcanic National Park. 1920 Comment
  JEPS68395  Agrostis scabra W. L. Jepson 1910-6-8 4085 Plumas near Lassen Peak; Lake Tartarus 2011 Comment
  POM116221  Agrostis scabra Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  UCD53386  Agrostis scabra Beecher Crampton 1964-8-26 7170 Shasta Lassen Volcanic National Park, heat Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  JEPS28279  Agrostis thurberiana George W. Gillett 1957-8-18 1098 Tehama about 0.25 mi above Sulphur Works Checking Station (lower portion of Brokeoff Mountain Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  CAS-BOT-BC138489  Agrostis variabilis Lewis S. Rose 1945-9-4 45253 Shasta Lassen Volcanic National Park. Summit Lassen Peak Highway. 2590 Comment
  GH341351  Agrostis variabilis L. S. Rose 1945-9-4 45253 Unknown Shasta County, Summit Lassen Peak Highway 2590 Comment
  UC1784164  Allium Harold and Virginia Bailey 1948-8-28 3068 b Tehama Lassen Volcanic National Park, near Sulphur Creek campground 2011 Comment
  UC1036321  Allium campanulatum George W. Gillett 1952-8-11 182 Shasta 1/2 mi below Bumpus Hell (trail from Bumpus Hell to King's Creek); Lassen Volcanic National Park 2377 Comment
  UC142742  Allium obtusum Mrs. R. M. Austin Aug. 1896 433 Shasta Lassen's Peak Comment
  CHSC60468  Allium platycaule Mary Ann Showers 1992-6-26 2572 Tehama Lassen Volcanic National Park. East of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  UC119984  Allium platycaule Mrs. R. M. Austin Aug. 1896 444 Shasta Lassen Peak Comment
  CAS-BOT-BC131961  Allium tribracteatum Thos. Harris; Sarah Harris 1975-7-26 s.n. Shasta About 1/5 mi. west & 300 ft. above Emerald Lake Comment
Read comments
Apr 5 2020
  CHSC60369  Allophyllum integrifolium Mary Ann Showers 1992-6-28 2636 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  UC879971  Allophyllum integrifolium Alice Eastwood Aug 22 1912-Aug 26 1912 1755 Tehama trail from Morgan's Springs to Sulphur Works; Lassen Butte Region Comment
  CAS-BOT-BC451306  Allotropa virgata D. Showers 1980-8-14 DS 4411 Shasta Northern slope of Lassen Peak, Lassen Volcanic National Parkqq7500 1889 Comment
  UC1543712  Allotropa virgata Harold & Virginia Bailey 1948-8-28 3058 Tehama Lassen Volcanic National Park near Sulphur Campground 2011 Comment
  CAS-BOT-BC171372  Alnus incana subsp. tenuifolia M. S. Jussel 1931-9-6 s.n. Plumas Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC171423  Alnus incana subsp. tenuifolia John Thomas Howell 1960-8-19 36114 Shasta Brokeoff Mt. Trail 2286 Comment
  RSA201360  Alnus incana subsp. tenuifolia J. T. Howell 1960-8-19 36114 Tehama Brokeoff Mountain Trail. 2287 Comment
  UC1543687  Alnus incana subsp. tenuifolia Harold and Virginia Bailey 1948-8-28 3071 Tehama near Sulphur Creek campground (in meadow below ski hut); Lassen Volcanic National Park 2011 Comment
  UC1585419  Alnus incana subsp. tenuifolia R. Raiche, K. Zadnik, and H. Forbes 1989-10-5 UCBG 93 Tehama creek side on Hwy 99 5.6 km n Hwy. 36 (ne of Mineral) 1950 Comment
Read comments
Jul 19 2013
  CHSC59167  Amaranthus blitoides Vernon H. Oswald 1992-9-29 5221 Tehama Hwy. 89 At Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  UC1602204  Amaranthus retroflexus H. E. Brown Aug 15 1897-Aug 31 1897 663 Plumas near Lassen Buttes 1828 Comment
  CHSC59168  Ambrosia psilostachya Vernon H. Oswald 1992-9-29 5226 Tehama Hwy 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  CHSC59172  Amsinckia menziesii Vernon H. Oswald 1992-9-29 5229 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park., 0.5 mi S of the latter. 1990 Comment
  CAS-BOT-BC45084  Anaphalis margaritacea John Thomas Howell 1960-8-18 36101 Tehama Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC45085  Anaphalis margaritacea Hans Leschke 1960-9-8 1802 Shasta Little Hot Springs Valley 2225 Comment
  CAS-BOT-BC45086  Anaphalis margaritacea Alice Eastwood 1912-8-22 1775 Tehama Trail from Morgan Springs to Sulphur Works, Lassen Butte Region Comment
  CAS-BOT-BC45200  Anaphalis margaritacea M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mount Lassen 2133 Comment
  CAS-BOT-BC64275  Anaphalis margaritacea H. E. Brown 1897-8-15 661 Plumas Near Lassen Buttes 1828 Comment
  CHSC102610  Anaphalis margaritacea L. P. Janeway 2009-7-26 9876 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS28118  Anaphalis margaritacea J. Thomas Howell 1960-8-18 36101 Tehama Sulphur Works Checking Station 2011 Comment
  OBI55496  Anaphalis margaritacea David J. Keil, Kathleen Keil 1992-7-25 23600 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  OBI55512  Anaphalis margaritacea David J. Keil, Kathleen Keil 1992-7-25 23600 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  UC118865  Anemone Mrs. R. M. Austin 1879-1 Shasta Lassen Peak Comment
  CAS-BOT-BC391827  Anemone drummondii George W. Gillett 1957-8-13 1070 Tehama Lassen Volcanic National Park. Brokeoff Mountain 2743 Comment
  CHSC48683  Anemone drummondii Vernon Oswald 1986-7-24 2240 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 682 Comment
  GH15811  Anemone drummondii 1879-1-1 Unknown Lassen's Peak 3352 Comment
Read comments
Dec 18 2015
  JEPS28459  Anemone drummondii George W. Gillett 1957-8-13 1070 Tehama s. exposure of upper Brokeoff formation Brokeoff Mt.; Lassen Volcanic Nat'l Park, Brokeoff Mt. 2743 Comment
  JEPS60522  Anemone drummondii Chestnut and Drew Shasta Mt. Lassen Comment
  UC1036146  Anemone drummondii George W. Gillett 1953-7-3 263 Tehama 0.25 mi. above Diamond Point (near Diamond Peak, above rd.); Lassen Volcanic Nat'l Park 2255 Comment
  UC1036221  Anemone drummondii George W. Gillett 1953-8-25 345 Tehama near Diamond Peak (above & below rd.); Lassen Volcanic Nat'l Park 2255 Comment
  RSA115249  Anemone multifida George W. Gillett 1953-7-3 263 Tehama Tehama county: Rock crevices above road, 0.25 mile above Diamond Point, Near Diamond Peak. 2256 Comment
Read comments
Oct 28 2009
  CHSC48693  Anemone occidentalis Vernon Oswald 1986-8-20 2287 Shasta North side of Emerald Lake, Lassen Volcanic National Park. On the edge of the lake. 2468 Comment
  GH15847  Anemone occidentalis J. G. Lemmon 1875-1-1 954 Unknown Lassen's Peak Comment
  JEPS28458  Anemone occidentalis George W. Gillett 1957-8-13 1060 Tehama 1 1/2 mi. above Sulphur Works Checking Station (near Brokeoff trail, n. slope Brokeoff Mt.); Lassen Volcanic Nat'l Park, Brokeoff Mt. 2286 Comment
  POM213954  Anemone occidentalis H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. Emerald Lake. 2500 Comment
  JEPS28765  Angelica breweri George W. Gillett 1957-8-13 1061 Tehama 1 1/2 mi above Sulphur Works Checking Station (near Brokeoff Trail, Brokeoff Mountain, Lassen Volcanic National Park); Lassen Volcanic National Park, Brokeoff Mountain 2286 Comment
  UC134205  Antennaria geyeri Mrs. R. M. Austin 1882-8-1 Plumas Lassen's Peak Comment
  CAS-BOT-BC77341  Antennaria media Lewis S. Rose 1945-9-4 45243 Shasta Summit Lassen Peak Highway 2590 Comment
  CAS-BOT-BC77343  Antennaria media H. F. Copeland 1931-8-9 1423 Shasta Mt. Lassen Comment
  CHSC48125  Antennaria media Vernon Oswald 1986-7-28 2251 Shasta Emerald Lake, Lassen Volcanic National Park. 2462 Comment
  CHSC60302  Antennaria media Mary Ann Showers 1992-6-28 2682 Shasta Lassen Volcanic National Park. Tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2499 Comment
  CHSC61948  Antennaria media Vernon H. Oswald; Steve Mitchelson 1993-9-15 5933 Shasta Lassen Volcanic National Park. Trail from Bumpass Hell to Cold Boiling Lake, ca. 0.25 mi S of Bumpass Hell. 2462 Comment
  HSC40165  Antennaria media Thomas W. Nelson, Jane P. Nelson 1976-8-1 3113 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  CAS-BOT-BC86956  Antennaria pulchella Alice Eastwood 1912-8-22 1857 Plumas Foot of Lassen Butte Comment
  CHSC61396  Antennaria rosea subsp. confinis Vernon H. Oswald; Lowell Ahart 1993-8-18 5818 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2225 Comment
  CHSC45338  Aphyllon epigalium subsp. epigalium Vernon Oswald 1986-8-4 2267 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2651 Comment
  HSC39727  Arabis platysperma var. howellii Thomas W. Nelson, Jane P. Nelson 1976-8-2 3114 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  CHSC95194  Arceuthobium abietinum R. D. Fischer 2005-8-1 841 Tehama Cascade Range High in Lassen National Volcanic Park. Specimen found along Ridge Lake Trail out of Sulfur Works. 1981 Comment
  SEINET1912095  Arceuthobium abietinum R. L. Mathiasen 2010-1 1062 Lassen 3.8 km N of jct. of Routes 89 and 36 on Rte. 89. Ca. 3 km S of S entrance to Lassen Nat. Park 1900 Comment
  UC1185282  Arceuthobium douglasii H. E. Brown Aug 15 1897-Aug 31 1897 675 Plumas Lassen Buttes 1828 Comment
  SEINET2116923  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-9 2004 -30 Shasta 4 km N of south entrance to Lassen National Park on main road through park, near Diamond Peak 2185 Comment
  GH362529  Arctostaphylos acutifolia M. E. Jones 1897-7-7 Unknown Lassen's Peak 1828 Comment
  CAS-BOT-BC39999  Arctostaphylos nevadensis John Thomas Howell 1960-8-18 36045 Tehama Near Lassen Volcanic National Park, Bluff Falls 1981 Comment
  CAS-BOT-BC40000  Arctostaphylos nevadensis John Thomas Howell 1960-8-19 36167 Tehama Brokeoff Mt. Trail 2682 Comment
  CAS-BOT-BC45469  Arctostaphylos nevadensis Elmer I. Applegate 1929-6-20 5766 Shasta Mount Lassen Trail above Drakesbad. Comment
  CAS-BOT-BC45904  Arctostaphylos nevadensis M. S. Jussel 1931-9-6 s.n Lassen Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC45906  Arctostaphylos nevadensis Marcus E. Jones 1897-7-7 s.n Lassen Lassen's Peak 1828 Comment
  CAS-BOT-BC45909  Arctostaphylos nevadensis Marcus E. Jones 1897-7-7 s.n Lassen Lassen's Peak 1828 Comment
  JEPS38790  Arctostaphylos nevadensis W. L. Jepson 1927-6-22 12283 Shasta Lassen Peak 1828 Comment
  LA42200  Arctostaphylos nevadensis Carl Epling; William Robison 1935-7-18 sn Shasta Lake Helen, Lassen Volcanic National Park Comment
  POM213944  Arctostaphylos nevadensis H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. 2400 Comment
  POM77162  Arctostaphylos nevadensis Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  RSA659536  Arctostaphylos nevadensis Gary D. Wallace 1990-6-29 2945 Shasta Cascade Range: Lassen Park, Emerald Lake, west side of lake, trail to Bumpass Hell. 2466 Comment
  UC205095  Arctostaphylos nevadensis R. M. Austin July, 1896 728 Shasta Lassens Peak Comment
  UC481588  Arctostaphylos nevadensis H. F. Copeland 1931-8-9 Shasta Mt. Lassen 2438 Comment
  UC876443  Arctostaphylos nevadensis C. Epling and Wm. Robison 1935-7-18 Shasta Helen Lake Lassen Peak Comment
  UCD52661  Arctostaphylos nevadensis John Thomas Howell 1960-8-18 36045 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC44483  Arctostaphylos patula John Thomas Howell 1960-8-18 36046 Tehama Bluff Falls, near Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC46537  Arctostaphylos patula Elmer I. Applegate 1929-6-20 5765 Shasta Mount Lassen trail above Drakesbad. Comment
  JEPS38823  Arctostaphylos patula W. L. Jepson 1927-6-22 12285 Shasta Hot Springs Valley Lassen Peak 1828 Comment
  RSA8233  Arctostaphylos patula Elmer I. Applegate 1929-6-20 5765 Shasta Mount Lassen trail above Drakesbad. Comment
  HSC7750  Arctostaphylos viscida R. J. Vernimen 1963-5-4 28 Lassen 10 mi. N of Mineral on Hwy. 36 Comment
Read comments
Apr 29 2013
  UC187467  Arenaria congesta var. subcongesta Mrs. R. M. Austin 1879-8-1 360 Shasta Lassen's Peak Comment
  CHSC61415  Arenaria kingii var. glabrescens Vernon H. Oswald; Lowell Ahart 1993-8-18 5822 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Growing on slope approaching the scree slope below the summit ridge of the mountain. 2383 Comment
  UC465582  Arenaria kingii var. glabrescens Mrs. R. M. Austin Aug 1899 504 Shasta Lassens Peak Comment
  CAS-BOT-BC82223  Arnica chamissonis H. E. Brown 1897-8-1 607 Plumas Near Lassen Buttes 1828 Comment
  CHSC61083  Arnica cordifolia Vernon H. Oswald; Lowell Ahart 1993-7-27 5722 Shasta Lassen Volcanic National Park. Slope S of the lower lake in Blue Lake Canyon. 2194 Comment
  CAS-BOT-BC295855  Arnica dealbata H. E. Brown 1897-8-15 672 Plumas Near Lassen Buttes 1828 Comment
  CHSC60328  Arnica dealbata Mary Ann Showers 1992-6-28 2668 Shasta Lassen Volcanic National Park. Slow below Mt. Diller. 2560 Comment
  JEPS16265  Arnica dealbata A. A. Heller 1938-7-28 1529 a Tehama near Sulphur Works; Lassen Volcanic National Park Comment
  JEPS20975  Arnica dealbata Joseph Grinnell 1925-7-27 Tehama Brokeoff Mountain Comment
  JEPS3292  Arnica dealbata George Gillett 1952-8-10 164 Shasta 1.5 mi below Emerald Lake (just above the main park highway); Lassen Volcanic National Park 2346 Comment
  UC1558234  Arnica dealbata Harold and Virginia Bailey 1948-8-28 3060 Tehama near Sulphur Creek Campground; Lassen Volcanic National Park 2011 Comment
  UC726999  Arnica dealbata A. A. Heller 1937-7-21 15932 Tehama Sulphur Works Lassen Volcanic National Park Comment
  UC832873  Arnica dealbata E. G. Anderson 1935-9-2 Shasta lower part Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  UC84123  Arnica dealbata R. M. Austin July 1896 Plumas Lassen Peak Comment
  CHSC60305  Arnica discoidea Mary Ann Showers 1992-6-26 2577 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC82692  Arnica longifolia John Thomas Howell 1960-8-18 36055 Tehama Bluff Falls, near Lassen Volcanic National Park 1981 Comment
  CHSC45630  Arnica longifolia Vernon H. Oswald 1986-8-4 2263 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2133 Comment
  CHSC45631  Arnica longifolia Vernon H. Oswald 1986-8-4 2268 Shasta Brokeoff Mt. Trail, Lassen Volcanic National Park. 2743 Comment
  CHSC97784  Arnica longifolia L. P. Janeway 2007-9-3 9207 Shasta High Cascade Range. Southwest-facing slope high on Brokeoff Mountain, about 400 m west-northwest of the summit. 2755 Comment
  JEPS12513  Arnica longifolia George W. Gillett 1955-8-14 485 Shasta Helen Mountain (w face) Helen Mountain 2590 Comment
  JEPS28116  Arnica longifolia J. Thomas Howell 1960-8-19 36187 Shasta Brokeoff Mt. (summit ridge) Brokeoff Mt. 2743 Comment
  JEPS28760  Arnica longifolia George W. Gillett 1957-8-13 1055 Tehama Brokeoff Mountain trail Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC82767  Arnica mollis Hans Leschke 1959-8-10 1652 Shasta along stream above Soda Lake, Lassen Volcanic National Park 2407 Comment
  CHSC59073  Arnica mollis Vernon H. Oswald 1992-8-19 5168 Tehama Lassen Volcanic National Park. Meadowy drainage W of the upper end of the ski lift, ca. 0/5 mi NW of the Southwest Entrance Station. 2182 Comment
  UC134179  Arnica mollis Mrs. R. M. Austin 1882-8-10 Shasta Lassens Peak Lassens Peak 2743 Comment
Read comments
May 29 2007
  UC892185  Arnica mollis E. G. Anderson 1935-9-2 Shasta Brokeoff Trail (lower part) Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  CAS-BOT-BC85101  Arnica nevadensis George W. Gillett 1957-8-13 1066 Tehama Lassen Volcanic National Park - Brokeoff Mountain 2743 Comment
  CAS-BOT-BC85147  Arnica nevadensis John Thomas Howell 1960-8-19 36173 Shasta Lassen Volcanic National Park, Summit ridge, Brokeoff Mt. 2773 Comment
  CAS-BOT-BC85148  Arnica nevadensis George W. Gillett 1957-8-17 1078 Shasta Lassen Volcanic National Park, Helen Mountain, southwest exposure, above Lake Helen 2590 Comment
  CHSC45633  Arnica nevadensis Vernon H. Oswald 1986-7-24 2228 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2682 Comment
  CHSC60306  Arnica nevadensis Mary Ann Showers 1992-6-28 2695 Shasta Lassen Volcanic National Park. Andesite cliffs west of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  JEPS12514  Arnica nevadensis George W. Gillett 1955-8-14 484 Shasta Helen Mountain (w face) Helen Mountain 2590 Comment
  JEPS28769  Arnica nevadensis George W. Gillett 1957-8-13 1066 Tehama Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS28779  Arnica nevadensis George W. Gillett 1957-8-17 1078 Shasta above Lake Helen; Lassen Volcanic National Park, Helen Mountain 2590 Comment
  UC892184  Arnica ovata E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CAS-BOT-BC90259  Artemisia douglasiana Alice Eastwood 1912-8-22 1776 Tehama trail from Morgans Springs to Sulphur Works, Lassen Butte Region Comment
  CAS-BOT-BC90464  Artemisia douglasiana Hans Leschke 1955-8-30 s.n. Shasta Lassen Volcanic National Park, near Sulphur Works entrance station 2072 Comment
  UC1558223  Artemisia douglasiana Harold and Virginia Bailey 1948-8-27 3051 a Shasta at water fountain below Emerald Lake (loop highway); Lassen Volcanic National Park 2438 Comment
  CAS-BOT-BC65873  Aspidotis densa Alice Eastwood 1912-8-22 1855 Shasta trail from Morgans Springs to Lassen Butte Comment
  CHSC61391  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1993-8-18 5850 Tehama E slope of Mt. Conard near the S boundary of the park. Lassen Volcanic National Park. 2078 Comment
  SEINET175053 Image available Aspidotis densa M. E. Jones 1897-7-7 Shasta Lassen's Peak 1829 Comment
  UC122743  Aspidotis densa Mrs. R. M. Austin Aug. 1879 Shasta Lassen's Peak Comment
  GH386703  Aster alpigenus subsp. andersonii A. Eastwood 1912-08-22 - 1912-08-26 1845 Unknown foot of Lassen Butte Comment
  CHSC117578  Athyrium distentifolium var. americanum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21360 Tehama Wet area west of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127316  Athyrium distentifolium var. americanum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21360 Tehama About 50 yards south of Bluff Falls, about 1 miles south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  JEPS28730  Athyrium distentifolium var. americanum George W. Gillett 1957-8-8 989 Shasta ne shoulder Lassen Peak; Lassen Volcanic Nat'l Park 2529 Comment
  JEPS28762  Athyrium distentifolium var. americanum George W. Gillett 1957-8-13 1057 Tehama 1/2 mi from Sulphur Works Checking Station (Brokeoff Mt, near first major stream crossing); Lassen Volcanic Nat'l Park, Brokeoff Mt 2133 Comment
  UC42679  Athyrium distentifolium var. americanum W. H. Brewer 1863-9-29 2187 Shasta Lassens Peak 2743 Comment
  SEINET175001 Image available Athyrium filix-femina subsp. cyclosorum Marcus E. Jones 1897-7-7 Shasta Lassen's Peak. 1829 Comment
  CAS-BOT-BC68725  Athyrium filix-femina var. californicum Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CHSC117581  Athyrium filix-femina var. cyclosorum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21359 Tehama Wet area west of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127315  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21359 Tehama About 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  CHSC61399  Balsamorhiza sagittata Vernon Oswald; Lowell Ahart 1993-8-18 5826 Tehama Lassen Volcanic National Park. E slope of Mt. Conard just below the summit ridge, near the S boundary of the park. 2468 Comment
  SJSU528  Balsamorhiza sagittata G. Witherspoon 1940-6-29 2156 Shasta near sulphur works, Lassen Volcanic National Park 2133 Comment
  UC1558221  Balsamorhiza sagittata Harold and Virginia Bailey 1948-8-27 2897 Shasta below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  CAS-BOT-BC102116  Bidens cernua Hans Leschke 1960-8-8 1807 Shasta Little Hot Springs Valley, Lassen Volcanic National park 2225 Comment
  CAS-BOT-BC413085  Bistorta bistortoides John Thomas Howell 1960-8-21 36299 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC115541  Bistorta bistortoides Lowell Ahart; John Dittes 2015-8-5 20438 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak 1498 Comment
  CAS-BOT-BC15951  Boechera breweri subsp. breweri Hans Leschke 1961-8-18 1830 Shasta Lassen Volcanic National Park. Summit area of Diamond Peak. 2423 Comment
  CHSC61087  Boechera breweri subsp. breweri Vernon H. Oswald; Lowell Ahart 1993-7-27 5716 Shasta Lassen Volcanic National Park. E side of the drainages above (south of) the lower lake in Blue Lake Canyon. 2072 Comment
  JEPS53040  Boechera breweri subsp. breweri W. L. Jepson 1927-6-22 12288 Shasta ridge n Hot Springs Valley (near Lassen Peak) 1828 Comment
  UC604402  Boechera depauperata unknown 1922-1 Shasta Lassen Peak Sierra Nevada 2743 Comment
  CAS-BOT-BC13905  Boechera lemmonii Eben McMillan 1968-6-28 140 -2 Lassen South slope of Mount Lassen. Comment
  CHSC38074  Boechera lemmonii R. E. Preston 1982-7-14 327 Shasta On NE ridge of Brokeoff Mtn, near summit; Lassen Volcanic National Park. 2682 Comment
  CHSC61088  Boechera lemmonii Vernon H. Oswald; Lowell Ahart 1993-7-27 5715 Shasta Lassen Volcanic National Park. Trail in Blue Lake Canyon, 0.6 mi E of the park boundary. 2011 Comment
  CHSC61413  Boechera lemmonii Vernon H. Oswald; Lowell Ahart 1993-8-18 5840 Tehama Summit ridge of Mt. Conard near the S boundary of the park. Along the ridge S of the highest point. 2490 Comment
  CHSC65398  Boechera lemmonii Vernon Oswald 1986-7-24 2239 Tehama Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2804 Comment
  GH219725  Boechera lemmonii J. G. Lemmon 1875-1-1 966 Unknown Lassen's Peak Comment
  GH219726  Boechera lemmonii Mrs. R. M. Austin 1882-08-01 - 1882-09-01 Unknown Lassen's Peak Comment
  JEPS53038  Boechera lemmonii Chesnut and Drew 1891-1 Shasta Lassen Peak Comment
  UC1061693  Boechera lemmonii George W. Gillett 1952-8-9 158 Shasta e shoulder Lassen Peak; Lassen Volcanic National Park 2987 Comment
  UC118057  Boechera lemmonii Mrs. R. M. Austin Aug 1882 Plumas Lassen Peak Comment
  GH378814  Boechera lyallii Mrs. R. M. Austin 1882-08-01 - 1882-09-01 Unknown Lassen's Peak Comment
  CHSC60336  Boechera pinetorum Mary Ann Showers 1992-6-26 2583 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC14419  Boechera platysperma John Thomas Howell 1960-8-19 36162 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2682 Comment
  CAS-BOT-BC14420  Boechera platysperma John Thomas Howell 1960-8-18 36093 Tehama Lassen Volcanic National Park. Sulphur Works Entrance Station. 2011 Comment
  CHSC38095  Boechera platysperma R. E. Preston 1983-8-6 402 Shasta SE side of Diamond Peak, near roadside, Lassen Volcanic National Park. 2218 Comment
  CHSC60337  Boechera platysperma Mary Ann Showers 1992-6-28 2698 Shasta Lassen Volcanic National Park. Cliffs west of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  CHSC65451  Boechera platysperma Vernon Oswald 1986-7-24 2225 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. On flat overlooking Forest Lake. 2316 Comment
  UC1036199  Boechera platysperma George W. Gillett 1952-8-6 312 Shasta Lassen Peak summit area Lassen Volcanic National Park 2804 Comment
  UCD114437  Boechera platysperma John Thomas Howell 1960-8-19 36162 Tehama Brokeoff Mountain trail. 2682 Comment
  JEPS53083  Boechera rectissima W. L. Jepson 1927-6-22 12287 Shasta ridge n Hot Springs Valley (near Lassen Peak) 1828 Comment
  CHSC61412  Boechera retrofracta Vernon H. Oswald; Lowell Ahart 1993-8-18 5820 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2353 Comment
Read comments
Aug 9 2008
  CHSC65397  Boechera retrofracta Vernon Oswald 1986-7-24 2238 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  JEPS53082  Boechera retrofracta W. L. Jepson 1927-6-22 12294 Shasta ridge n Hot Springs Valley; Lassen Peak 1828 Comment
  UC1036145  Boechera sparsiflora George W. Gillett 1953-7-3 262 Tehama near Diamond Peak; Lassen Volcanic National Park 2225 Comment
  CAS-BOT-BC25932  Boechera suffrutescens John Thomas Howell 1960-8-19 36145 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2590 Comment
  CHSC38027  Boechera suffrutescens R. E. Preston 1982-7-14 326 Tehama Lassen Park, on trail to Brokeoff Mtn. 2194 Comment
  CHSC44620  Botrychium simplex var. compositum Vernon Oswald 1986-8-20 2286 Shasta North side of Lassen Hwy at the picnic area s of Emerald Lake, Lassen Volcanic National Park. 2462 Comment
  CHSC54508  Botrychium simplex var. compositum Vernon H. Oswald 1991-8-16 4825 Shasta Drainage on the northwest side of Lassen Hwy between Emerald Lake and the Picnic Area to the south. Lassen Volcanic National Park. 2453 Comment
  CHSC61949  Brickellia grandiflora Vernon H. Oswald 1993-9-7 5926 Shasta Lassen Volcanic National Park. Lassen Hwy. on the N side of Diamond Pk., near the Diamond Pk. sign. 2316 Comment
  UC86140  Brickellia grandiflora Mrs. R. M. Austin 1896-1 383 Shasta Lassens Peak Comment
  CAS-BOT-BC127685  Brickellia greenei John Thomas Howell 1960-8-23 36462 Tehama Lassen Loop s. of Diamond Peak 2194 Comment
  CAS-BOT-BC127686  Brickellia greenei John Thomas Howell 1960-8-18 36025 Tehama Bluff Falls 1981 Comment
  JEPS28117  Brickellia greenei J. Thomas Howell 1960-8-18 36025 Tehama near Lassen Volcanic National Park (Bluff Falls); Bluff Falls 1981 Comment
  RSA201257  Brickellia greenei J. T. Howell 1960-8-23 s.n. Tehama Lassen Loop south of Diamond Peak 2195 Comment
  UC1543780  Bromus carinatus var. carinatus Harold and Virginia Bailey 1948-8-28 3066 Shasta Lassen Volcanic National Park, Sulphur Works Sulphur Works; Lassen Volcanic National Park, Sulphur Works 2133 Comment
  UC1543812  Bromus carinatus var. carinatus Harold and Virginia Bailey 1948-8-28 3066 Shasta Lassen Volcanic National Park, Sulphur Works Sulphur Works; Lassen Volcanic National Park, Sulphur Works 2133 Comment
  CAS-BOT-BC148705  Bromus carinatus var. marginatus Hans Leschke 1955-8-30 s.n. Plumas Lassen Volcanic National Park. Near Sulphur Works entrance station. 2133 Comment
  CAS-BOT-BC148847  Bromus carinatus var. marginatus John Thomas Howell 1960-8-18 36095 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station. 2011 Comment
  CHSC54547  Bromus inermis subsp. inermis Vernon H. Oswald 1991-8-16 4832 Shasta Lassen Volcanic Park. Lassen Hwy northeast of Diamond Pk, at Road Marker 11. 2255 Comment
  CHSC61447  Bromus suksdorfii Vernon H. Oswald; Lowell Ahart 1993-8-18 5815 Tehama Lassen Volcanic National Park. Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. On the edge of a meadow at one of the headwaters of Canyon Creek. 2109 Comment
  JEPS28305  Bromus suksdorfii George W. Gillett 1957-8-18 1105 Tehama about 1/4 mi above the Sulphur Works Checking Station (lower portion of Brokeoff Trail, Brokeoff Mountain, Lassen Volcanic National Park); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  SD7772  Bryanthus breweri R. M. Austin 1882-8-10 Shasta Lassen Peak 2745 Comment
  SD7774  Bryanthus breweri R. M. Austin 1879-1 Shasta Lassen Park Comment
  CAS-BOT-BC185460  Calamagrostis canadensis John Thomas Howell 1960-8-18 36060 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  CAS-BOT-BC185461  Calamagrostis canadensis John Thomas Howell 1960-8-18 36102 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station. 2011 Comment
  A356726  Calocedrus decurrens P. F. Graves 1938-9-1 8468 Unknown Mt. Lassen Comment
  CAS-BOT-BC80460  Calocedrus decurrens Hans Leschke 1960-8-8 1741 Shasta below trail Ski Hut - Crumbaugh Lake 1981 Comment
  CHSC60292  Calocedrus decurrens Mary Ann Showers 1992-6-26 2585 Tehama Along West Sulfur Creek east of Sulfur Works Entrance Station. Lassen Volcanic National Park. 1828 Comment
  UC1219748  Calocedrus decurrens Paul F. Graves 1938-9-1 8468 Shasta Mt. Lassen Comment
  UC1036323  Calochortus leichtlinii George W. Gillett 1952-8-11 179 Shasta 0.5 mi below Bumpas Hell (trail from Bumpas Hell to Kings Creek); Lassen Volcanic National Park 2377 Comment
  UC54191  Calochortus nudus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4321 Tehama near Morgan (Park's Ranch); Mount Lassen, Mill Creek Canyon 2133 Comment
  JEPS60529  Caltha biflora W. L. Jepson 1910-6-6 4080 Plumas Hot Springs Valley, Lassen Peak. 1859 Comment
  UC302145  Caltha biflora Marcus E. Jones, A. M. 1897-7-7 Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC175784  Caltha leptosepala John Thomas Howell 1960-8-21 36298 Tehama Bluff Falls. Near Lassen Volcanic National Park 1981 Comment
  GH369501  Caltha leptosepala M. E. Jones 1897-7-7 Unknown Lassen's Peak 1828 Comment
  GH369506  Caltha leptosepala H. N. Bolander & A. Kellogg Unknown Lassen Peak Comment
  GH369512  Caltha leptosepala B. B. Brues 1927-8-3 Unknown Lassen Lake, near Lake Helen 2590 Comment
  GH369513  Caltha leptosepala B. B. Brues 1927-8-3 Unknown Lassen Lake, near Lake Helen 2590 Comment
  GH369514  Caltha leptosepala B. B. Brues 1927-8-3 Unknown Lassen Lake, near Lake Helen 2590 Comment
  SBBG16034  Caltha leptosepala D. Myrick 1961-6-24 357 Shasta just outside S boundary of park on Mt Lassen Natl Park loop rd 1828 Comment
  UC1136678  Calyptridium umbellatum C. R. Clar Jul 1930 100 Shasta Tophet Spring; Lassen National Park, Tophet Spring 2133 Comment
  UC1543706  Calyptridium umbellatum Harold and Virginia Bailey 1948-8-27 2939 b Shasta Lassen Peak Trail; Lassen Volcanic National Park, Lassen Peak Trail 2590 Comment
  UC54458  Calyptridium umbellatum H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4386 Shasta near Soupan Springs (Mount Lassen); Mount Lassen 2377 Comment
  UC851941  Calyptridium umbellatum E. G. Anderson 1935-8-28 Shasta Crescent Cliffs, Lassen Volcanic National Park Crescent Cliffs; Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CAS-BOT-BC160887  Camissonia tanacetifolia subsp. tanacetifolia H. E. Brown 1897-8-1 624 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC266449  Campanula scabrella D. Showers 1978-8-1 4218 dws Shasta Summit of Loomis Peak, Lassen Volcanic National Park 2438 Comment
  CAS-BOT-BC266450  Campanula scabrella D. Showers 1978-8-1 4218 Shasta Summit of Loomis Peak, Lassen Volcanic National Park 2438 Comment
  JEPS79373  Campanula scabrella L. R. Heckard with E. Lim Dhillon and M. Ashton 1979-7-21 5146 Shasta about 100 meters e Ski Heil Peak summit (ne of Emerald Lake); Lassen Volcanic National Park, Ski Heil Peak 2651 Comment
  JEPS79374  Campanula scabrella L. R. Heckard with E. Lim Dhillon and M. Ashton 1979-7-21 5146 Shasta n of Emerald Lake (about 100 mi e of summit of Ski Heil Peak); Lassen Volcanic National Park, Ski Heil Peak 2651 Comment
  JEPS79440  Campanula scabrella Philip Dixon 1977-7-26 93 Shasta n of Emerald Lake (Ski Heil Peak); Lassen Volcanic National Park 2438 Comment
  RSA479506  Campanula scabrella L. R. Heckard, Lim Shillon, M. Ashton 1979-7-21 5146 Shasta About 100 m east of summit of Ski Heil Peak, north of Emerald Lake, Lassen National Park. 2652 Comment
  CAS-BOT-BC37226  Cardamine bellidifolia George W. Gillett 1953-8-6 313 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 2804 Comment
  CAS-BOT-BC37228  Cardamine bellidifolia George W. Gillett 1953-8-6 313 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 2804 Comment
  CAS-BOT-BC37229  Cardamine bellidifolia Lewis S. Rose 1945-9-4 45232 Shasta Lassen Volcanic National Park. Summit Lassen Peak Highway. 2590 Comment
  CAS-BOT-BC37230  Cardamine bellidifolia John Thomas Howell 1969-8-6 45881 Shasta Lassen Volcanic National Park. Emerald Lake. Comment
  HSC39728  Cardamine bellidifolia Thomas W. Nelson, Jane P. Nelson 1976-8-2 3117 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  RSA113767  Cardamine bellidifolia George W. Gillett 1953-8-6 313 Shasta Summit area of Lassen Peak. Lassen Volcanic National Park. 2805 Comment
  RSA66100  Cardamine bellidifolia F. W. Peirson 1926-6-23 6847 Shasta Upper portion of trail to summit of Lassen Peak. Lassen National Park. Comment
  UCD114167  Cardamine bellidifolia D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park; at Lassen Peak. 822 Comment
  CHSC38100  Cardamine bellidifolia var. pachyphylla R. E. Preston 1983-8-6 409 Shasta Within 5 to 15 ft of snowbanks; Bumpass Mtn, Lassen Volcanic National Park. 2590 Comment
  CHSC48316  Cardamine bellidifolia var. pachyphylla Vernon Oswald 1986-7-30 2261 Shasta Lake Helen, Lassen Volcanic National Park. Near the lake. 2487 Comment
  CHSC48317  Cardamine bellidifolia var. pachyphylla Vernon Oswald 1986-8-11 2283 Shasta Lassen Peak Trail below timberline. 2712 Comment
  CHSC60339  Cardamine bellidifolia var. pachyphylla Mary Ann Showers 1992-6-28 2669 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  GH378881  Cardamine bellidifolia var. pachyphylla G. W. Gillett 1953-8-6 313 Unknown Summit area of Lassen Peak 2804 Comment
  GH378886  Cardamine bellidifolia var. pachyphylla Mrs. R. M. Austin 1879-07-01 - 1879-08-01 Unknown Lassen Peak 3352 Comment
  GH378887  Cardamine bellidifolia var. pachyphylla Mrs. R. M. Austin 1882-08-01 - 1882-09-01 Unknown Lassen Peak 3048 Comment
  UC1036198  Cardamine bellidifolia var. pachyphylla George W. Gillett 1953-8-6 313 Shasta summit area Lassen Peak (Lassen Volcanic National Park); , summit area Lassen Peak 2804 Comment
  UC117872  Cardamine bellidifolia var. pachyphylla Mrs. R. M. Austin 1882-8-9 Shasta Lassen's Peak 2438 Comment
  UC1543774  Cardamine bellidifolia var. pachyphylla Harold and Virginia Bailey 1948-8-27 2950 c Shasta ridge overlooking Lake Helen (along trail from Lassen Peak parking area, Lassen Volcanic National Park); Lassen Volcanic National Park, Lake Helen 2590 Comment
  CAS-BOT-BC19753  Carex abrupta Hans Leschke 1960-9-8 1800 Shasta Lassen Volcanic National Park. Little Hot Springs Valley. 2240 Comment
  CHSC102601  Carex abrupta L. P. Janeway 2009-7-26 9870 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  JEPS28398  Carex abrupta George W. Gillett 1957-8-17 1092 Shasta margin of south shore, Emerald Lake Lassen Volcanic National Park, Emerald Lake 2468 Comment
  JEPS28399  Carex abrupta George W. Gillett 1957-8-18 1097 Tehama 1/4 mi above Sulphur Works Checking Station (lower portion of Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  JEPS63773  Carex abrupta W. L. Jepson 1910-6-9 4101 Plumas near Lassen Peak; Hot Springs Valley 1828 Comment
  SEINET4290093 Image available Carex abrupta Unknown 2009-1 9870 Tehama High Cascade Range. Lassen National Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek.assen Peak .....' quad. Comment
  CAS-BOT-BC17896  Carex angustata John Thomas Howell 1960-8-18 36075 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  UC55235  Carex angustata H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4310 Shasta Mill Creek Mount Lassen, Mill Creek 2438 Comment
  CAS-BOT-BC19643  Carex brainerdii John Thomas Howell 1960-8-19 36174 Shasta Lassen Volcanic National Park. Summit Ridge, Brokeoff Mountain. 2773 Comment
  CAS-BOT-BC34085  Carex breweri John Thomas Howell 1960-8-19 36134 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2438 Comment
  CAS-BOT-BC34151  Carex breweri Lewis S. Rose 1945-9-4 45231 Shasta Lassen Volcanic National Park. Summit Lassen Peak Highway. 2590 Comment
  CAS-BOT-BC34152  Carex breweri Hans Leschke 1945-9-14 s.n. Shasta Mt. Lassen. 2621 Comment
  CAS-BOT-BC34154  Carex breweri George Wilson Gillett 1957-8-10 1019 Shasta Lassen Volcanic National Park. In cirque below east slope of Eagle Peak. 2651 Comment
  CAS-BOT-BC34155  Carex breweri George Wilson Gillett 1957-8-8 980 Shasta Lassen Volcanic National Park. Southeast slope of Lassen Peak; beyond first switchback above Hemlock Flat. 2651 Comment
  CHSC101457  Carex breweri L. P. Janeway 2009-7-26 9866 Tehama High Cascade Range. Low on the northeast slope of Ski Heil Peak. 2682 Comment
  CHSC60430  Carex breweri Mary Ann Showers 1992-6-28 2678 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  HSC39369  Carex breweri Cooke, Pinkava, Keil, & Weber 1969-8-18 2189 Shasta 5.8 mi. N of S entrance to Lassen Volcanic National Park Comment
Read comments
Aug 21 2015
  HSC40170  Carex breweri Thomas W. Nelson, Jane P. Nelson 1976-8-1 3120 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  JEPS28368  Carex breweri George W. Gillett 1957-8-10 1019 Shasta lower E slopes of Eagle Peak; Lassen Volcanic National Park 2636 Comment
  JEPS28375  Carex breweri George W. Gillett 1957-8-8 980 Shasta Lower SE slopes of Lassen Peak, beyond first switchback above the Hemlock flats 2651 Comment
  JEPS63542  Carex breweri W. L. Jepson 1929-9-29 15324 Shasta Lassen Peak, NW slope, in Pinus albicaulis belt, lower edge 2651 Comment
  JEPS63545  Carex breweri W. L. Jepson 1929-9-28 15319 Shasta NW slope of Lassen Peak, at upper limits of Tsuga mertensiana 2651 Comment
  UC2015834  Carex breweri Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4443 Lassen Lassen Volcanic National Park. Lassen Peak, near parking area. Comment
  UC2015835  Carex breweri Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4446 Lassen Lassen Volcanic National Park. Lassen Peak. Comment
  UC664  Carex breweri W. H. Brewer 1863-9-26 2176 Shasta Lassen Peak 3200 Comment
  UC823365  Carex breweri E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park 2743 Comment
  UC837310  Carex breweri H. M. Evans Jul 1922 Shasta Lassen Peak Lassen National Park 2895 Comment
  UCD140216  Carex breweri John Thomas Howell 1960-8-19 36134 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  UCD140401  Carex breweri D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park; at Lassen Peak. 3050 Comment
  UCD67764  Carex breweri Collector unknown 1996-9-8 Shasta Lassen Volcanic National Park. Perennial plant communities in flat and dry places at Lassen Peak. 3050 Comment
  UC1598394  Carex breweri var. breweri Joy Mastrogiuseppe 1986-8-2 4445 Shasta Lassen highway summit Lassen Volcanic National Park, Lassen highway summit Comment
  CAS-BOT-BC20058  Carex echinata John Thomas Howell 1961-6-20 36579 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  UCD140295  Carex echinata subsp. echinata John Thomas Howell 1961-6-20 36579 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC20756  Carex fracta John Thomas Howell 1960-8-18 36039 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  CHSC102581  Carex fracta L. P. Janeway; B. Castro 2009-7-26 9872 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 0.5 road km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  SEINET4231859 Image available Carex fracta Unknown 2009-1 9872 Tehama High Cascade Range. Lassen National Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. Comment
  SEINET7559362 Image available Carex fracta Barbara L. Wilson, Richard Brainerd, Bruce Newhouse 2004-8-28 11194 Lassen Near Bluff Falls in the Lassen National Forest, approximately 0.7 air mile south of the south boundary of Lassen Volcanic National Park on Highway 89. 1981 Comment
  CAS-BOT-BC22175  Carex helleri George Wilson Gillett 1957-8-10 10182 Shasta In cirque below east slope of Eagle Creek. 2651 Comment
  CAS-BOT-BC22176  Carex helleri George Wilson Gillett 1957-8-10 1020 Shasta Northwest slopes of Ski Heil. 2682 Comment
  CAS-BOT-BC22177  Carex helleri George Wilson Gillett 1957-8-8 993 Shasta headwaters of West Fork of Hat Creek below cliffs of east shoulder of Lassen Peak. 2529 Comment
  CAS-BOT-BC22178  Carex helleri Lewis S. Rose 1945-9-4 45246 Shasta Summit Lassen Peak Highway. 2590 Comment
  CHSC101456  Carex helleri L. P. Janeway 2009-7-26 9865 Tehama High Cascade Range. Low on the northeast slope of Ski Heil Peak. 2682 Comment
  GH424105  Carex helleri L. S. Rose 1945-9-4 45246 Unknown Summit Lassen Peak Highway 2590 Comment
  JEPS28367  Carex helleri George W. Gillett 1957-8-10 1020 Shasta nw slope of Sky Heil Lassen Volcanic National Park, Ski Heil 2682 Comment
  JEPS28369  Carex helleri George W. Gillett 1957-8-10 1018 -A Shasta on bottom of cirque e summit; Lassen Volcanic National Park, Eagle Peak 2651 Comment
  JEPS28373  Carex helleri George W. Gillett 1957-8-8 993 Shasta rivulet below peaks, ne shoulder of Lassen Peak Lassen Volcanic National Park, Lassen Peak 2529 Comment
  CAS-BOT-BC20965  Carex heteroneura Hans Leschke 1961-8-18 1829 Shasta Lassen Volcanic National Park. Summit area Diamond Peak. 2423 Comment
  JEPS28390  Carex heteroneura George W. Gillett 1957-8-18 1102 Tehama about 1/4 mi below Sulphur Works Checking Station (lower portion of Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  UC824880  Carex heteroneura E. G. Anderson 1935-8-28 Shasta Lassen Volcanic National Park, Crescent Cliffs. 2286 Comment
  CAS-BOT-BC28199  Carex hoodii John Thomas Howell 1960-8-18 36088 Tehama Sulphur Works Checking Station, Lassen Volcanic National Park. 2011 Comment
  JEPS63577  Carex hoodii W. L. Jepson 1927-6-22 12299 Shasta ridge n Hot Springs Valley 1828 Comment
  UC55225  Carex hoodii H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4308 Shasta Mill Creek Mount Lassen 2438 Comment
  CAS-BOT-BC31563  Carex luzulifolia John Thomas Howell 1960-8-19 36125 Tehama Brokeoff Mt. Trail 2346 Comment
  CHSC54536  Carex luzulifolia Vernon H. Oswald 1991-8-16 4830 Shasta Lassen Volcanic Park. Trail along the east side of Crumbaugh Lake. 2197 Comment
  OBI26462  Carex luzulifolia Wallace Weber, John C. Cooke, Donald J. Pinkava, and David J. Keil 1969-8-18 2181 Shasta 5.8 mi N of S entrance to Lassen Volcanic Natl Park Comment
  CHSC102603  Carex luzulina L. P. Janeway 2009-7-26 9869 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  CAS-BOT-BC31672  Carex luzulina var. ablata John Thomas Howell 1960-8-18 36079 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC31939  Carex microptera John Thomas Howell 1960-8-18 36100 Tehama Sulphur Works Checking Station. 2011 Comment
  CAS-BOT-BC31940  Carex microptera Herbert Faulkner Copeland 1935-7-29 1499 Shasta Mt. Lassen, above West Sulphur Creek. 2000 Comment
  CAS-BOT-BC32188  Carex multicaulis John Thomas Howell 1960-8-19 36117 Tehama Brokeoff Mt. Trail. 2346 Comment
  UC1149884  Carex multicaulis Harold and Virginia Bailey 1948-8-28 3059 Tehama near Sulphur Creek Campground; Lassen Volcanic National Park 2011 Comment
  CHSC102593  Carex multicostata L. P. Janeway 2009-7-26 9874 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  CHSC102613  Carex multicostata L. P. Janeway 2009-7-26 9873 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS116650  Carex multicostata L. P. Janeway 2009-7-26 9873 Tehama Lassen National Forest Lassen Peak (east side of Hwy 89 1.5 road km south of boundary of Lassen Vocanic National Park; 1.1 km west of (and above) Mill Creek); High Cascade Range 1966 Comment
  SEINET10338260  Carex multicostata Wallace Weber, John C. Cooke, Donald J. Pinkava, and David J. Keil 1969-1 2168 Shasta Shasta-Tehama [County line] 1.2 mi N of South entrance to Lassen Volcanic National Park, Rte 89 Comment
  SEINET4290154 Image available Carex multicostata Unknown 2009-1 9873 Tehama High Cascade Range. Lassen National Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. Comment
  SEINET4290155 Image available Carex multicostata Unknown 2009-1 9874 Tehama High Cascade Range. Lassen National Forest, east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. Comment
  UC1064 Image available Carex multicostata W. H. Brewer Sep 26-28 1863 2178 Shasta Lassens Peak 2743 Comment
  UC202090 Image available Carex multicostata Wm. H. Brewer 1863-9-26 2178 Shasta Lassen Peak 2743 Comment
  UC589 Image available Carex multicostata W. H. Brewer Sept 1863 2178 Shasta Lassen's Peak Comment
  CHSC60436  Carex nigricans Mary Ann Showers 1992-6-28 2692 Shasta Lassen Volcanic National Park. Streams below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  CHSC60437  Carex nigricans Mary Ann Showers 1992-6-28 2686 Shasta Lassen Volcanic National Park. Tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2499 Comment
  JEPS28396  Carex nigricans George W. Gillett 1957-8-17 1085 Shasta on margin of south shore Lassen Volcanic National Park, Emerald Lake 2468 Comment
  CHSC60431  Carex pachystachya Mary Ann Showers 1992-6-27 2645 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC60432  Carex pachystachya Mary Ann Showers 1992-6-26 2597 a Tehama Lassen Volcanic National Park. Edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC119050  Carex phaeocephala Lewis Samuel Rose 1945-9-4 45247 Shasta Summit Lassen Peak Highway 2590 Comment
  CAS-BOT-BC119051  Carex phaeocephala Lewis Samuel Rose 1945-9-4 45233 Shasta Summit Lassen Peak Highway 2590 Comment
  CAS-BOT-BC118315  Carex praeceptorum Hans Leschke 1959-8-10 1661 Shasta Soda Lake Comment
  CHSC54496  Carex praeceptorum Vernon H. Oswald 1991-7-26 4767 Tehama Lassen Volcanic National Park. Forest Lake on the trail up Brokeoff Mtn. 2286 Comment
  SEINET2044693 Image available Carex praeceptorum Juha Pykala, D. H. Norris, Heikki Toivonen 1987-7-25 3004 Shasta Lassen Volcanic National Park, SW of Lassen Peak, Soda Lake. 2378 Comment
  SEINET7572044 Image available Carex praeceptorum Juha Pykala, D. H. Norris, Heikki Toivonen 1987-7-25 3004 Shasta Lassen Volcanic National Park, SW of Lassen Peak, Soda Lake. 2377 Comment
  CAS-BOT-BC118763  Carex preslii George Wilson Gillett 1957-8-8 995 Shasta Headwaters of West Fork of Hat Creek below cliffs of E shoulder of Lassen Peak. 2529 Comment
  JEPS28371  Carex preslii George W. Gillett 1957-8-8 995 Shasta ne shoulder of Lassen Peak Lassen Volcanic National Park, Lassen Peak 2529 Comment
  CAS-BOT-BC117964  Carex rossii John Thomas Howell 1960-8-18 36035 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC118028  Carex rossii John Thomas Howell; Gordon H. True 1960-8-19 36147 Tehama Brokeoff Mt. Trail 2590 Comment
  SD71018  Carex rossii John Thomas Howell 1960-8-18 36035 Tehama Near Lassen Volcanic National Park; Bluff Falls. 1981 Comment
  CAS-BOT-BC118275  Carex scopulorum var. bracteosa Hans Leschke 1959-8-10 1657 Shasta Soda Lake Comment
  CAS-BOT-BC118276  Carex scopulorum var. bracteosa Hans Leschke 1959-8-10 1660 Shasta Soda Lake 2385 Comment
  CHSC54497  Carex scopulorum var. bracteosa Vernon H. Oswald 1991-7-26 4766 Tehama Lassen Volcanic National Park. Forest Lake on the trail up Brokeoff Mtn. 2286 Comment
  CHSC76250  Carex scopulorum var. bracteosa Mary Ann Showers 1992-6-28 2687 Shasta Lassen Volcanic National Park. Tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2499 Comment
  JEPS28397  Carex scopulorum var. bracteosa George W. Gillett 1957-8-17 1089 Shasta s margin of Emerald Lake Lassen Volcanic National Park, Emerald Lake 2468 Comment
  JEPS28789  Carex scopulorum var. bracteosa George W. Gillett 1957-8-17 1090 Shasta Emerald Lake Lassen Volcanic National Park, Emerald Lake 2468 Comment
  CHSC102595  Carex specifica L. P. Janeway 2009-7-26 9875 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS116651  Carex specifica L. P. Janeway 2009-7-26 9875 Tehama Lassen National Forest Lassen Park (east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek); High Cascade Range 1966 Comment
  JEPS28389  Carex specifica George W. Gillett 1957-8-18 1104 Tehama about 1/4 mi above Sulphur Works C.S. (lower portion of the Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mtn., Brokeoff Trail 2103 Comment
  SEINET4290225 Image available Carex specifica Unknown 2009-1 9875 Tehama High Cascade Range; Lassen National Forest; east side of Hwy 89, 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. Comment
  UC1108042  Carex specifica E. B. Copeland 1932-8-15 Lassen woods between Hat Lake and Summit Lake; Mount Lassen 1981 Comment
  CHSC60441  Carex spectabilis Mary Ann Showers 1992-6-28 2683 Shasta Lassen Volcanic National Park. Tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2499 Comment
  CHSC60442  Carex spectabilis Mary Ann Showers 1992-6-28 2676 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  CHSC60443  Carex spectabilis Mary Ann Showers 1992-6-28 2691 Shasta Lassen Volcanic National Park. Spring-fed streams below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  CHSC60444  Carex spectabilis Mary Ann Showers 1992-6-28 2693 Shasta Lassen Volcanic National Park. Spring-fed streams below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  UC835745  Carex spectabilis E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  UC992  Carex spectabilis W. H. Brewer 1863-9-28 2186 Shasta Lassen's Peak 2743 Comment
  CAS-BOT-BC116990  Carex straminiformis George Wilson Gillett 1957-8-8 994 Shasta Headwaters of West Fork of Hat Creek below cliffs of E shoulder of Lassen Peak. 2529 Comment
  CHSC102588  Carex straminiformis L. P. Janeway 2009-7-26 9867 Shasta High Cascade Range. Low on the northeast slope of Ski Heil Peak. 2682 Comment
  CHSC60445  Carex straminiformis Mary Ann Showers 1992-6-26 2677 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  JEPS28372  Carex straminiformis George W. Gillett 1957-8-8 994 Shasta ne shoulder of Lassen Peak Lassen Volcanic National Park, Lassen Peak 2529 Comment
  JEPS28374  Carex straminiformis George W. Gillett 1957-8-8 986 Shasta beyond first switchback above Hemlock Flat (lower se slopes of Lassen Peak); Lassen Volcanic National Park, Lassen Peak 2651 Comment
  JEPS63543  Carex straminiformis W. L. Jepson 1929-9-29 15322 Shasta at foot of cone, nw slope, Lassen Peak Lassen Peak 2651 Comment
  SEINET4290232  Carex straminiformis Unknown 2009-1 9867 Shasta High Cascade Range; low on the northeast slope of Ski Heil Peak. Comment
  UC8005  Carex straminiformis W. H. Brewer Sep 26 1863-Sep 28 1863 2184 Shasta Lassen's Peak Comment
  UCD140894  Carex straminiformis John Thomas Howell 1960-8-19 36151 Tehama Brokeoff Mountain Trail. Lassen Volcanic National Park. 2682 Comment
  CAS-BOT-BC115876  Carex subfusca John Thomas Howell 1960-8-23 36456 Shasta Lassen Loop east of Diamond Peak 2225 Comment
  CAS-BOT-BC115877  Carex subfusca John Thomas Howell 1960-8-23 36451 Shasta Lassen Loop east of Diamond Peak 2255 Comment
  CAS-BOT-BC116615  Carex subfusca Hans Leschke 1960-8-8 1738 Lassen Below trail Ski Hut-Crumbaugh Lake. 1981 Comment
  CAS-BOT-BC115183  Carex vernacula Hans Leschke 1959-8-10 1658 Shasta Soda Lake Comment
  CAS-BOT-BC115185  Carex vernacula Lewis Samuel Rose 1945-9-4 45244 Shasta Summit Lassen Peak Highway 2590 Comment
  CHSC60446  Carex vernacula Mary Ann Showers 1992-6-28 2673 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  JEPS28395  Carex vernacula George W. Gillett 1957-8-17 1083 Shasta Emerald Lake Lassen Volcanic National Park, Emerald Lake 2468 Comment
  JEPS63544  Carex vernacula W. L. Jepson 1929-9-29 15321 Shasta foot of cone, nw slope Lassen Peak Lassen Peak 2682 Comment
  CHSC60447  Carex vesicaria Mary Ann Showers 1992-6-26 2576 Tehama Lassen Volcanic National Park. Seep above canyon bottom east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC102596  Carex whitneyi L. P. Janeway 2009-7-26 9871 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  JEPS116645  Carex whitneyi L. P. Janeway 2009-7-26 9871 Tehama Lassen National Forest Lassen Peak (east side of Hwy 89 0.5 km south of boundary of Lassen Vocanic National Park; 1.0 km west of (and above) Mill Creek); High Cascade Range 1990 Comment
  SEINET3823392 Image available Carex whitneyi Marcus E. Jones 1897-7-7 Shasta Lassen's Peak 1829 Comment
  CAS-BOT-BC59035  Cassiope mertensiana Hans Leschke 1959-8-10 1662 Shasta Lassen Volcanic National Park - Soda Lake 2385 Comment
  SD7775  Cassiope mertensiana Mrs. R. M. Austin Aug 1882 Shasta Lassen Peak 3050 Comment
Read comments
Mar 11 2009
  GH362602  Cassiope mertensiana subsp. californica J. G. Lemmon Unknown Lassens Peak Comment
  RSA659534  Cassiope mertensiana subsp. californica Gary D. Wallace 1990-6-29 2943 Shasta Cascade Range: Lassen Park, Emerald Lake, west side of lake, trail to Bumpass Hell. 2466 Comment
  UC1543713  Cassiope mertensiana subsp. californica Harold & Virginia Bailey 1948-8-27 2948 Shasta Lassen Volcanic National Park, ridge overlooking Lake Helen, along trail from Lassen Peak parking area 2590 Comment
  JEPS29554  Castilleja applegatei subsp. pinetorum John Thomas Howell 1960-8-19 36181 Shasta Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS3594  Castilleja applegatei subsp. pinetorum George Gillett 1952-7-27 107 Shasta above Park Highway (near old forebay box); Lassen Volcanic National Park 2133 Comment
Read comments
Jul 16 2015
  JEPS3625  Castilleja applegatei subsp. pinetorum George Gillett 1952-7-20 88 Shasta Sulphur Works area, above road and across from the store, in the vicinity of the forebay box Lassen Volcanic National Park Comment
  JEPS3626  Castilleja applegatei subsp. pinetorum George Gillett 1952-7-14 79 Tehama above Sulphur Works Ski Lift area; Lassen Volcanic National Park 2072 Comment
  JEPS59020  Castilleja applegatei subsp. pinetorum Hans Leschke 1961-8-18 1824 Shasta n slope Diamond Pk.; Lassen Volcanic National Park Comment
  RSA46756  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-8-22 1784 Shasta Trail from Morgans Springs to Sulphur Works. Lassen Butte Region [Actually Shasta-Tehama Region] Comment
  UC1034007  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jul 22 1940-Jul 23 1940 26241 Tehama s of Sulphur Works (Route 89, Bluff Falls, s of Mount Lassen); Bluff Falls 1889 Comment
  UC1036245  Castilleja applegatei subsp. pinetorum George W. Gillett 1952-7-20 89 Shasta vicinity Sulphur Works (above road across from store); Lassen Volcanic National Park 2133 Comment
  UC885329  Castilleja applegatei subsp. pinetorum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain; Lassen Volcanic National Park 2743 Comment
  CAS-BOT-BC243711  Castilleja applegatei var. pinetorum George Gillett 1952-7-20 88 Shasta In the vicinity of the forebay box, above road and across from the store in the Sulphur Works area, Lassen Volcanic National Park Comment
  CAS-BOT-BC243733  Castilleja applegatei var. pinetorum John Thomas Howell 1960-8-19 36181 Shasta Summit ridge, Brokeoff Mt., Lassen Volcanic National Park 2773 Comment
  HSC40162  Castilleja arachnoidea Thomas W. Nelson, Jane P. Nelson 1976-8-1 3110 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  JEPS1761  Castilleja arachnoidea George W. Gillett 1952-8-23 214 Shasta near e base of Lassen Peak proper (below trail); Lassen Volcanic National Park 2682 Comment
  JEPS29555  Castilleja arachnoidea John Thomas Howell 1960-8-19 36169 Shasta Brokeoff Mountain, summit ridge Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS3295  Castilleja arachnoidea George W. Gillett 1952-8-25 214 Shasta near e base of Lassen Peak; Lassen Volcanic National Park 2682 Comment
  JEPS3312  Castilleja arachnoidea George W. Gillett 1952-7-26 101 Shasta 0.75 mi above Lassen Peak trail crossing with State Highway 89 (on Lassen Peak trail); Lassen Volcanic National Park 2651 Comment
  JEPS3811  Castilleja arachnoidea Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. Lassen National Park 2865 Comment
  JEPS58897  Castilleja arachnoidea John Thomas Howell 1960-8-19 36169 Shasta Brokeoff Mountain, summit ridge Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS76157  Castilleja arachnoidea T. I. and Fei-Mei Chuang 1977-7-26 7666 Shasta trail up to Lassen Peak Lassen National Park 2743 Comment
  JEPS76159  Castilleja arachnoidea T. I. and Fei-Mei Chuang 1977-7-26 7664 Shasta trail up to Lassen Peak Lassen National Park 2804 Comment
  SBBG21823  Castilleja arachnoidea D. Myrick 1964-7-22 905 Shasta Mt Lassen Trail Parking area 2529 Comment
  UC1012236  Castilleja arachnoidea Francis W. Pennell 1940-7-22 26236 Shasta old trail from Lake Helen to Bumpus Hell (Route 89); Lassen National Park, Mount Lassen 2499 Comment
  UC1341807  Castilleja arachnoidea Noel H. Holmgren and James L. Reveal 1966-7-19 2903 Shasta slope between Bumpass Hell trail and Lassen Park road; Lassen Volcanic National Park 2414 Comment
  UC1543816  Castilleja arachnoidea Harold and Virginia Bailey 1948-8-27 2939 a Shasta Lassen Peak Trail; Lassen Volcanic National Park 2590 Comment
  UC436305  Castilleja arachnoidea E. B. Copeland 1930-8-5 Shasta Mt. Lassen 3300 Comment
  UC726490  Castilleja arachnoidea A. A. Heller 1941-8-16 16295 Shasta parking place on the ridge near the Comfort Station Bumpas Hell 2438 Comment
  UC885474  Castilleja arachnoidea E. G. Anderson 1935-9-2 Shasta lower part Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  CAS-BOT-BC251914  Castilleja lemmonii George W. Gillett 1957-8-17 1091 Shasta Emerald Lake. South margin, in grassy area 2468 Comment
  CAS-BOT-BC251923  Castilleja lemmonii Hans Leschke 1960-8-8 1732 Shasta Emerald Lake 2453 Comment
  CAS-BOT-BC251925  Castilleja lemmonii R. C. Bacigalupi 1953-8-1 s.n. Shasta Mt. Lassen Comment
  JEPS28787  Castilleja lemmonii George Gillett 1957-8-17 1091 Shasta s margin Emerald Lake; Lassen Volcanic National Park 2468 Comment
  JEPS3602  Castilleja lemmonii Milo S. Baker 1947-8-12 11966 Shasta across Hwy 89 from Emerald Lake; Mt. Lassen National Park 2438 Comment
  UC532169  Castilleja lemmonii Herbert F. Copeland 1931-8-9 Shasta shores Emerald Lake; Mt. Lassen 2438 Comment
  CAS-BOT-BC254075  Castilleja miniata Annie E. Alexander 1936-7-6 s.n. Shasta Mt. Lassen Comment
  SEINET14063409  Castilleja miniata H. M. Hall, E. B. Babcock 1903-1 4303 Shasta Mill Creek. 2438 Comment
  UC54608  Castilleja miniata H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4303 Shasta Mill Creek Mount Lassen (Mount Lassen) 2438 Comment
  CHSC61114  Castilleja miniata subsp. miniata Vernon H. Oswald; Lowell Ahart 1993-7-27 5719 Shasta Lassen Volcanic National Park. E side of the drainages above (south of) the lower lake in Blue Lake Canyon. 2133 Comment
  RSA428396  Castilleja pilosa H. F. Copeland 1931-8-9 1442 Shasta Mt. Lassen, near timberline. 2591 Comment
  POM85327  Ceanothus cordulatus Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  JEPS42396  Ceanothus prostratus Chesnut and Drew 1891-1 Shasta Lassen Peak Comment
  JEPS2520 Image available Ceanothus prostratus var. laxus W. L. Jepson 1910-6-8 4099 Shasta mountain slopes near Hot Springs Valley (near Lassen Peak); ; Hot Springs Valley, near Lassen Peak 1828 Comment
  UCD112833  Ceanothus velutinus T. I. Storer 1932-7-24 s.n. Shasta Near Hat Creek, about 16 mi. S. of Cassel. 1341 Comment
  CHSC59192  Centaurea solstitialis Vernon H. Oswald 1992-9-9 5199 Tehama Hwy. 89 between Bluff Falls and the south boundary of Lassen Volcanic National Park, 0.5 mi S of the latter. 1981 Comment
  CHSC61091  Cerastium fontanum subsp. vulgare Vernon H. Oswald; Lowell Ahart 1993-7-27 5713 .1 Shasta Lassen Volcanic National Park. Trail in Blue Lake Canyon, 0.3 mi E of the park boundary. Between the trail and an alder thicket along the North Fork Bailey Creek. 1950 Comment
  CAS-BOT-BC277783  Chaenactis nevadensis George W. Gillett 1957-8-8 988 Shasta Lassen Volcanic National Park. Lower south-east slopes of Lassen Peak, beyond first switchback above the Hemlock Flat 2651 Comment
  CAS-BOT-BC277784  Chaenactis nevadensis John Thomas Howell 1960-8-19 36161 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CHSC45653  Chaenactis nevadensis Vernon Oswald 1986-7-24 2230 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2682 Comment
  CHSC60310  Chaenactis nevadensis Mary Ann Showers 1992-6-28 2703 Shasta Lassen Volcanic National Park. Below Mt. Diller. 2560 Comment
  CHSC61400  Chaenactis nevadensis Vernon Oswald; Lowell Ahart 1993-8-18 5829 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conrad, near the S boundary of the park. 2468 Comment
  JEPS28729  Chaenactis nevadensis George W. Gillett 1957-8-8 988 Shasta beyond first switchback above the Hemlock Flat (lower se slopes of Lassen Peak); Lassen Volcanic National Park, Lassen Peak 2651 Comment
  JEPS29567  Chaenactis nevadensis J. Thomas Howell 1960-8-19 36161 Tehama Brokeoff Mountain trail Lassen Volcanic National Park, Brokeoff Mountain 2682 Comment
  JEPS3351  Chaenactis nevadensis George Gillett 1952-8-18 205 Shasta Lassen Peak trail Lassen Volcanic National Park 2895 Comment
  JEPS34212  Chaenactis nevadensis Joseph Grinnell 1925-7-27 Tehama Broke-off Mt. 2743 Comment
  UC1036242  Chaenactis nevadensis George W. Gillett 1952-8-2 146 Shasta summit area of Lassen Peak Lassen Volcanic National Park 3139 Comment
  UC1061691  Chaenactis nevadensis George W. Gillett 1953-8-18 205 Shasta Lassen Peak Trail Lassen Volcanic National Park 2895 Comment
  UC135503  Chaenactis nevadensis Mrs. R. M. Austin 1882-8-10 Shasta Lassens Peak Lassens Peak 2743 Comment
  UC336705  Chaenactis nevadensis unknown 1873-9-1 Shasta Lassen's Peak Comment
  UC604410  Chaenactis nevadensis Herbert McLean Evans 1922-1-1 Shasta Lassen Peak Sierra Nevada, Lassen Peak 2743 Comment
  UC90187  Chaenactis nevadensis R. M. Austin 1896-7-1 501 Shasta Lassen Peak Comment
  UCD67766  Chaenactis nevadensis Collector unknown 1996-9-8 Shasta Lassen Volcanic National Park. Perennial plant communities in rocky and dry slopes at Lassen Peak. 3020 Comment
  CHSC59085  Chamaesyce maculata Vernon H. Oswald 1992-8-19 5160 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) at the parking area, Brokeoff Mtn. trailhead. 2023 Comment
  CHSC117619  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21368 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC59180  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald 1992-9-9 5204 Tehama Lassen Volcanic National Park. Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. 2042 Comment
  CHSC59181  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald 1992-9-29 5228 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  CAS-BOT-BC70222  Cheilanthes gracillima Marcus E. Jones 1897-7-8 s.n. Shasta Lassen's Peak 1828 Comment
  CHSC60289  Cheilanthes gracillima Mary Ann Showers 1992-6-26 2573 Tehama East of Sulphur Works Entrance Station above West Sulphur Creek. Lassen Volcanic National Park. 1950 Comment
  JEPS60023  Cheilanthes gracillima Joseph Grinnell 1925-8-1 Shasta trail to Mt Lassen 2590 Comment
  JEPS60024  Cheilanthes gracillima Joseph Grinnell 1925-7-12 Shasta Broke-off Mt Broke-off Mt 2133 Comment
  JEPS60026  Cheilanthes gracillima W. L. Jepson 1927-6-22 12289 Shasta ridge n Hot Springs Valley; Lassen Peak 1828 Comment
  UC399639  Cheilanthes gracillima Mrs. R. M. Austin Aug 1896 355 Shasta Lassen Peak Comment
  UC42418  Cheilanthes gracillima W. H. Brewer 1863-9-26 2177 Shasta Lassen Plateau 2438 Comment
  CHSC59083  Chenopodium album Vernon H. Oswald 1992-8-19 5156 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park. 1987 Comment
  CHSC69679  Chenopodium atrovirens Vernon Oswald 1986-7-24 2224 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2194 Comment
  CHSC59084  Chenopodium pratericola Vernon H. Oswald 1992-8-19 5156 .1 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park. 1987 Comment
  CAS-BOT-BC451340  Chimaphila menziesii Alice Eastwood 1912-8-22 s.n. Shasta Lassen Butte Region Comment
  CHSC61099  Chimaphila menziesii Vernon H. Oswald; Lowell Ahart 1993-7-27 5727 Shasta Lassen Volcanic National Park. Lower lake in Blue Lake Canyon. 2072 Comment
  CHSC61421  Chimaphila menziesii Vernon H. Oswald; Lowell Ahart 1993-8-18 5816 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the boundary of the park. 2151 Comment
  CAS-BOT-BC36233  Chrysolepis sempervirens M. S. Jussel 1931-9-7 s.n. Shasta Bumpass Hell Trail, Mt. Lassen 2286 Comment
  CAS-BOT-BC36365  Chrysolepis sempervirens John Thomas Howell 1960-8-19 36143 Tehama Brokeoff Mountain Trail 2590 Comment
  UCD110131  Chrysolepis sempervirens John Thomas Howell 1960-8-19 36143 Tehama Brokeoff Mountain Trail. 2590 Comment
  UC337300  Circaea alpina subsp. pacifica unknown Shasta Lassens Peak Comment
  UC91719  Cirsium douglasii var. breweri Mrs. R. M. Austin 380 Shasta Lassens Peak Comment
  CAS-BOT-BC286363  Cirsium scariosum H. E. Brown 1897-8-1 623 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC286477  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC286478  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works entrance station 2011 Comment
  CAS-BOT-BC286479  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works entrance station 2011 Comment
  CAS-BOT-BC292712  Cirsium scariosum John Thomas Howell 1960-8-21 36317 Shasta Lassen Loop east of Diamond Peak, Lassen Volcanic National Park 2225 Comment
  CAS-BOT-BC292713  Cirsium scariosum John Thomas Howell 1960-8-21 36317 Shasta Lassen Loop east of Diamond Peak, Lassen Volcanic National Park 2225 Comment
  JEPS29576  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Sulphur Works entrance station Lassen Volcanic National Park 2011 Comment
  JEPS29577  Cirsium scariosum John Thomas Howell 1960-8-19 36185 Shasta summit ridge, Brokeoff Mountain; Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  CAS-BOT-BC228931  Cistanthe umbellata Marcus E. Jones 1897-7-8 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC228932  Cistanthe umbellata M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC228935  Cistanthe umbellata Lewis S. Rose 1945-9-4 45252 Shasta Lassen Volcanic National Park. Summit Lassen Peak Highway 2590 Comment
  CAS-BOT-BC228940  Cistanthe umbellata Marcus E. Jones 1897-7-8 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC228994  Cistanthe umbellata John Thomas Howell 1960-8-19 36160 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CAS-BOT-BC451749  Claytonia lanceolata Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC451750  Claytonia lanceolata Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  JEPS43221  Claytonia lanceolata W. L. Jepson 1910-6-8 4089 Shasta Lassen Peak 1981 Comment
  JEPS43346  Claytonia lanceolata W. L. Jepson 1927-6-22 12285 Shasta ridge n Lassen Peak (Hot Springs Valley); Hot Springs Valley 1828 Comment
  UC54453  Claytonia lanceolata H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4295 Shasta Soupan Springs; Mt. Lassen 2438 Comment
  UC852053  Claytonia nevadensis E. G. Anderson 1935-8-28 Shasta Crescent Cliffs; Lassen Volcanic National Park 2286 Comment
  GH376975  Claytonia palustris Mrs. R. M. Austin 1879-07-01 - 1879-08-01 Unknown Lassen Peak Comment
  CHSC61111  Claytonia rubra subsp. rubra Vernon H. Oswald; Lowell Ahart 1993-7-27 5712 Shasta Lassen Volcanic National Park. Blue Lake Canyon, 0.3 mi E of the Park boundary, between the trail and the N Fork of Bailey Creek. Localized population on the edge of a small meadow bordering an alder thicket. 1950 Comment
  SEINET3450722  Collinsia tinctoria Lowell Ahart, John Dittes 2003-5-22 10205 Shasta Cottonwood, Cottonwood, about 11 air miles east/northeast, 4 air miles west/southwestof Darah Springs State Fish Hatchery, about 1 1/8 miles west of the barn, about 350 yards south of the Coleman Canal, north rim of Battle Creek at the end of a poor dirt road 250 Comment
  CHSC54491  Collinsia torreyi var. latifolia Vernon H. Oswald 1991-7-22 4760 Shasta In Blue Lake Canyon ca. 0.5 mile east of the park boundary, ca. 3.2 miles (air) west-southwest of Lassen Peak. Lassen Volcanic National Park. 2023 Comment
  UC1024369  Collinsia torreyi var. wrightii George W. Gillett 1952-7-13 66 Shasta vicinity of Sulphur Works (near Store Building LVNP 6950, along trail to small cabins, Lassen Volcanic National Park); Lassen Volcanic National Park 2133 Comment
  UC54655  Collinsia torreyi var. wrightii H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4299 Shasta Mount Lassen, Soupan Springs Soupan Springs; Mount Lassen, Soupan Springs 2438 Comment
  GH385083  Collomia debilis var. larsenii G. W. Gillett 1953-8-6 316 Unknown Summit area of Lassen Peak 2865 Comment
  GH385084  Collomia debilis var. larsenii G. W. Gillett 1952-8-30 238 Unknown Summit area of Lassen Peak 3139 Comment
  CAS-BOT-BC229521  Collomia larsenii George W. Gillett 1953-8-6 316 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak 2865 Comment
  CAS-BOT-BC229522  Collomia larsenii George W. Gillett 1953-8-6 316 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak 2865 Comment
  CHSC45345  Collomia larsenii Vernon Oswald 1988-8-14 3688 Shasta Lassen Volcanic National Park, along the trail near the summit of Lassen Peak. 3145 Comment
  JEPS3307  Collomia larsenii George Gillett 1952-8-30 238 Shasta s slope of peak Lassen Volcanic National Park, Lassen Peak 3078 Comment
  JEPS76158  Collomia larsenii T. I. Chuang with Fei-Mei Chuang 1977-7-26 7665 Shasta trail to Lassen Peak; Lassen National Park 3048 Comment
  JEPS8313  Collomia larsenii George W. Gillett 1953-8-6 316 Shasta s face of peak Lassen Volcanic National Park, Lassen Peak 2865 Comment
  JEPS87034  Collomia larsenii Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11428 Shasta near summit along trail Cascade Mountains, Lassen Peak 7 1/2' USGS Quadrangle, Lass 3139 Comment
  JEPS8927  Collomia larsenii Chesnut and Drew c. 1889 Shasta Mt. Lassen Comment
  RSA113843  Collomia larsenii George W. Gillett 1953-8-6 316 Shasta Lassen Volcanic National Park; summit area of Lassen Peak, south of trail 2866 Comment
  RSA115247  Collomia larsenii George W. Gillett 1952-8-30 238 Shasta Summit area of Lassen Peak 3140 Comment
  RSA304660  Collomia larsenii D. H. Wilken, C. Donahue 1976-7-14 12701 Tehama South face of Mount Lassen 2896 Comment
  UC1036150  Collomia larsenii George W. Gillett 1953-8-6 316 Shasta summit area Lassen Volcanic National Park, Lassen Peak (s of trail) 2865 Comment
  UC1036235  Collomia larsenii George W. Gillett 1953-8-27 356 Shasta summit area Lassen Volcanic National Park, Lassen Peak (s slope) 2865 Comment
  UC1061694  Collomia larsenii George W. Gillett 1952-8-30 238 Shasta summit area Lassen Volcanic National Park, Lassen Peak (s slope) 3139 Comment
  UC333667 Image available Collomia larsenii J. G. Lemmon Sep. 1874 Shasta summit, Sierra v<a?>l. La<?>sen's Peak; Lapen's(?) Peak, Sierra Co. 3182 Comment
  CHSC61108  Collomia linearis Vernon H. Oswald; Lowell Ahart 1993-7-27 5707 Shasta Lassen Volcanic National Park. Blue Lake Canyon, 0.2 mi E of the park boundary, between the trail and the N Fork of Bailey Creek. 1950 Comment
  CHSC60370  Collomia tinctoria Mary Ann Showers 1992-6-26 2565 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  UC1024387  Collomia tinctoria George W. Gillett 1952-8-17 197 Shasta on Little Hot Springs Valley grade 2 mi below Bumpas Hell trail origin; Lassen Volcanic National Park, Lassen Peak Highway 2346 Comment
  CAS-BOT-BC157360  Comarum palustre H. E. Brown 1897-8-15 s. 642 Plumas Near Lassen Buttes 1828 Comment
  CHSC60470  Corallorhiza maculata Mary Ann Showers 1992-6-26 2571 Tehama East of Sulphur Works Entrance Station above West Sulphur Creek. Lassen Volcanic National Park. 1950 Comment
  UC103423  Cordylanthus tenuis subsp. viscidus Mrs. R. M. Austin Aug. 1896 411 Shasta Lassens Peak Comment
  CAS-BOT-BC401852  Corydalis caseana subsp. caseana Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC401887  Corydalis caseana subsp. caseana John Thomas Howell 1961-6-20 36585 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  UC120138  Corydalis caseana subsp. caseana Mrs. R. M. Austin July 1896 557 Shasta Lassens Peak Comment
  UC302259  Corydalis caseana subsp. caseana Marcus E. Jones, A. M. 1897-7-7 Shasta Lassen's Peak 1828 Comment
  UC854987  Corydalis caseana subsp. caseana E. G. Anderson 1935-9-2 Shasta lower part of Brokeoff Trail Brokeoff Trail 2286 Comment
Read comments
Oct 26 2007
  UC854992  Corydalis caseana subsp. caseana Alice Eastwood Aug 22 1912-Aug 26 1912 1758 Tehama trail from Morgan's Springs to Sulphur Works; Lassen Butte Region Comment
  CAS-BOT-BC290465  Crepis acuminata George W. Gillett 1957-8-10 1023 A Shasta Lassen Volcanic National Park. Saddle between Ski Heil and Pilot Pinnacle, on Brokeoff Andesite 2636 Comment
  CHSC60311  Crepis monticola Mary Ann Showers 1992-6-28 2635 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  JEPS28741  Crepis occidentalis George W. Gillett 1957-8-10 1023 Shasta saddle between Ski Heil and Pilot Pinnacle (e exposure); Lassen Volcanic National Park 2636 Comment
  JEPS3736  Crepis occidentalis George Gillett 1952-8-10 168 Shasta 1 1/2 mi below (sw) Emerald Lake (above main hwy through Park); Lassen Volcanic National Park 2346 Comment
  UC1036327  Crepis occidentalis George W. Gillett 1952-8-17 196 Shasta on Little Hot Springs Valley Grade 2 mi below Bumpas Hell trail origin (Lassen Peak Hwy); Lassen Volcanic National Park 2346 Comment
  CAS-BOT-BC376555  Crepis occidentalis subsp. conjuncta George W. Gillett 1957-8-10 1023 Shasta Lassen Volcanic National Park. Saddle between Ski Heil and Pilot Pinnacle 2636 Comment
  CHSC48141  Crepis occidentalis subsp. conjuncta Vernon Oswald 1986-7-24 2231 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National park. 2773 Comment
  CHSC61084  Crepis occidentalis subsp. conjuncta Vernon H. Oswald; Lowell Ahart 1993-7-27 5720 .1 Shasta Lassen Volcanic National Park. Slope above (south of) the lower lake in Blue Lake Canyon. 2133 Comment
  CHSC61402  Crepis occidentalis subsp. conjuncta Vernon H. Oswald; Lowell Ahart 1993-8-18 5827 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. 2468 Comment
  CHSC59191  Crypsis schoenoides Vernon H. Oswald 1992-9-29 5224 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  CHSC60331  Cryptantha torreyana Mary Ann Showers 1992-6-26 2566 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC61077  Cryptogramma acrostichoides Vernon H. Oswald; Lowell Ahart 1993-7-27 5723 Shasta Slope SE of the lower lake in Blue Lake Canyon. Lassen Volcanic National Park. 2133 Comment
  UC336682  Cryptogramma acrostichoides unknown July 1881 Shasta Lassen Peak Comment
  CAS-BOT-BC70521  Cryptogramma cascadensis H. F. Copeland 1931-8-9 1424 Shasta Mt. Lassen Comment
  CHSC26164  Cryptogramma cascadensis Detzer; Sacks 1977-10-27 39 Shasta Mt. Lassen, Lassen Volcanic National Park. 2590 Comment
  JEPS28731  Cryptogramma cascadensis George W. Gillett 1957-8-8 990 Shasta ne shoulder Lassen Peak; Lassen Volcanic Nat'l Park 2529 Comment
  JEPS28761  Cryptogramma cascadensis George W. Gillett 1957-8-13 1056 Tehama 1/2 mi above Sulphur Works Checking Station (near first major stream crossing, Brokeoff Mt Trail); Lassen Volcanic Nat'l Park 2133 Comment
  JEPS59986  Cryptogramma cascadensis Joseph Grinnell 1925-7-27 Tehama Broke-off Mt 2743 Comment
  UC1063759  Cryptogramma cascadensis H. A. Jensen 1934-10-6 385 Shasta Bumpas Peak Lassen Nat'l Park, Paynes Creek Quadrangle, Bumpas Peak Comment
  UC1543873  Cryptogramma cascadensis Harold and Virginia Bailey 1948-8-27 2939 c Shasta Lassen Peak Trail Lassen Volcanic Nat'l Park, Lassen Peak Trail 2590 Comment
  UC42461  Cryptogramma cascadensis W. H. Brewer 1863-9-26 2183 Shasta Lassen Peak 2438 Comment
  UC474219  Cryptogramma cascadensis H. F. Copeland 1931-8-9 Shasta Mt Lassen Mt Lassen Comment
  UC569955  Cryptogramma cascadensis H. A. Jensen 1934-10-6 385 Shasta Bumpas Peak; Paynes Creek Quadrangle 2651 Comment
  UC1036307  Cuscuta californica George W. Gillett 1952-8-24 218 Shasta vicinity Sulphur Works; Lassen Volcanic National Park 2118 Comment
  CHSC61979  Cuscuta californica var. breviflora Vernon H. Oswald 1993-9-7 5932 Shasta Lassen Volcanic National Park. N side of Little Hot Springs Valley, W of Lassen Hwy. (Hwy. 89). 2468 Comment
  UC124431  Cuscuta subinclusa Mrs. R. M. Austin Jul 1896 492 Plumas Lassens Peak Comment
  UCD121385  Cycladenia humilis John Thomas Howell 1960-8-19 36168 Tehama Brokeoff Mountain trail. 2682 Comment
  CHSC28744  Cycladenia humilis var. humilis R. A. Schlising 1979-9-13 3489 Shasta Lassen National Park, trail to peak of Brokeoff Mountain. 2682 Comment
  CHSC43594  Cycladenia humilis var. humilis Vernon Oswald 1984-7-16 1605 Tehama 29N22, 2.8 mi w of Hwy 89 (to Lassen Park). 1828 Comment
  JEPS49765  Cycladenia humilis var. humilis V. K. Chesnut and E. R. Drew 1891-1 Shasta Lassen Peak Comment
  JEPS49766  Cycladenia humilis var. humilis Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2865 Comment
  JEPS49769  Cycladenia humilis var. humilis W. L. Jepson 1927-6-22 12295 Shasta ridge n Hot Springs Valley (Lassen Peak); , n of Hot Springs Valley 1828 Comment
  PASA888  Cycladenia humilis var. tomentosa Margaret Stason 1932-6-23 449 Plumas Road between Mineral and Viola Comment
  CHSC60298  Cymopterus terebinthinus var. californicus Mary Ann Showers 1992-6-26 2567 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC59188  Cyperus niger Vernon H. Oswald 1992-9-9 5205 Tehama Lassen Volcanic National Park. Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at it mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. 2042 Comment
  CHSC44605  Cystopteris fragilis Vernon Oswald 1986-7-28 2243 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2362 Comment
  JEPS35108  Cystopteris fragilis W. L. Jepson 1927-6-22 12290 Shasta ridge n of Hot Springs Valley; Lassen Volcanic Nat'l Park 1828 Comment
  CAS-BOT-BC192286  Danthonia californica John Thomas Howell 1960-8-18 36023 Tehama Bluff Falls 1981 Comment
  JEPS28463  Delphinium nuttallianum George W. Gillett 1957-8-13 1053 Tehama near Brokeoff Mountain Trail 1/4 mi above Sulphur Works Checking Station; Lassen Volcanic National Park 2072 Comment
  UC311212  Delphinium nuttallianum Marcus E. Jones, A. M. 1897-7-8 Shasta Lassen's Peak 1828 Comment
  UC1558235  Deschampsia elongata Harold and Virginia Bailey 1948-8-28 3070 b Tehama near Sulphur Creek Campground Sulphur Creek Campground; Lassen Volcanic Nat'l Park 2011 Comment
  CHSC60368  Dicentra formosa Mary Ann Showers 1992-6-26 2579 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works entrance station. 1828 Comment
  JEPS9560  Dicentra formosa W. L. Jepson 1927-6-22 12298 Shasta near Lassen Peak (ridge n of Hot Springs Valley); Hot Springs Valley 1767 Comment
  SJSU556  Dicentra formosa G. Witherspoon 1940-6-29 2159 Shasta near SW entrance station, Lassen Volcanic National Park 2042 Comment
  UC1036319  Dicentra formosa George W. Gillett 1952-8-11 174 Shasta 1 mi below Bumpas Hell (trail from Bumpas Hell to King's Creek); Lassen Volcanic National Park 2377 Comment
  UC855119  Dicentra formosa E. G. Anderson 1935-9-2 Shasta lower part Brokeoff Trail; Lassen Volcanic National Park 2286 Comment
  CAS-BOT-BC402460  Dicentra formosa subsp. formosa Hans Leschke 1960-8-8 1731 Shasta Lassen Volcanic National Park. Emerald Lake 2453 Comment
  CAS-BOT-BC402487  Dicentra formosa subsp. formosa John Thomas Howell 1960-8-18 36028 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  UC54483  Dicentra uniflora H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4298 Shasta Soupan Springs; Mount Lassen 2438 Comment
  CAS-BOT-BC247100  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-26 7169 a Shasta Lassen National Park, head of Little Hot Springs Valley, slopes below Pilot Pinnacle 2468 Comment
  JEPS101202  Dichanthelium acuminatum subsp. fasciculatum Dean Wm. Taylor with Glenn Clifton 1990-8-10 11444 Plumas Lassen National Park, Sulphur Works, in thermal area on south side of Highway near main hot springs 2118 Comment
  SEINET242312 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-26 7167 Shasta Lassen NP ; Sulfur Works 2134 Comment
  SEINET242313 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-26 7169 a Shasta Lassen NP ; head of Little Hot Springs Valley, slopes below Pilot Pinnacle 2469 Comment
  UCR141669  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-26 7169 a Shasta Lassen National Park, Head of Little Hote Springs Valley, below Pilot Pinnacle 2470 Comment
  UCR141670  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-26 7167 Shasta Lassen National Park, Sulphur Works 2134 Comment
  JEPS40724  Dieteria canescens var. shastensis Joseph Grinnell 1925-7-27 Tehama Broke-off Mountain 2865 Comment
  CAS-BOT-BC136199  Dodecatheon alpinum John Thomas Howell 1961-6-20 36586 Tehama Bluff Falls, near Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC136200  Dodecatheon alpinum Alice Eastwood 1912-8-22 1839 Tehama Trail from Morgan's Springs - Lassen Butte Comment
  JEPS14673  Dodecatheon alpinum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2743 Comment
  SBBG16040  Dodecatheon alpinum D. Myrick 1961-6-24 355 Shasta Mt Lassen Nat Park loop rd just S of southern boundary of park 1828 Comment
  SEINET178167 Image available Dodecatheon alpinum Marcus E. Jones 1897-7-7 Shasta Lassen Peak. 1829 Comment
  UC105773  Dodecatheon alpinum Mrs. R. M. Austin July 1896 376 Plumas Lassens Peak Comment
  UC54426  Dodecatheon alpinum H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4301 Shasta Soupan Springs Mount Lassen, Soupan Springs 2438 Comment
  SEINET3088548 Image available Dodecatheon subalpinum Marc Mittleman 2 Shasta Emerald Lake shoreline, Lassen Volcan. Park. 2469 Comment
  CAS-BOT-BC238339  Draba aureola George W. Gillett 1952-8-2 140 Shasta Lassen Volcanic National Park. On level area below summit rocks to near tip of peak. Summit area of Lassen Peak 3169 Comment
  CAS-BOT-BC238340  Draba aureola Hans Leschke 1954-7-4 s.n. Shasta Summit of Mt. Lassen 3169 Comment
  CAS-BOT-BC42077  Draba aureola Eben McMillan 1968-6-28 140 -1 Lassen South slope of Mount Lassen. Comment
  CAS-BOT-BC42078  Draba aureola J. G. Lemmon 1872-6-22 s.n. Shasta Summit of Lassen Peak. Comment
  CAS-BOT-BC42079  Draba aureola J. G. Lemmon s.n. Shasta Summit of Lassen Peak. Comment
  CAS-BOT-BC42080  Draba aureola George W. Gillett 1953-7-16 279 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 3048 Comment
  CAS-BOT-BC42081  Draba aureola George W. Gillett 1953-7-16 279 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 3048 Comment
  CAS-BOT-BC42082  Draba aureola Hans Leschke 1954-7-4 s.n. Shasta Lassen Volcanic National Park. Rim of Mount Lassen Crater. 3169 Comment
  CAS-BOT-BC42083  Draba aureola George W. Gillett 1952-8-2 140 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. On area south of 1915 Black Dacite flow. 3169 Comment
  CHSC48328  Draba aureola Vernon Oswald 1986-8-11 2278 Shasta Summit of Lassen Peak Trail. 3121 Comment
  GH18999  Draba aureola Mrs. R. M. Austin 1879-07-01 - 1879-08-01 Unknown Lassens Peak Comment
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Dec 18 2015
  GH379207  Draba aureola G. W. Gillett 1953-7-16 279 Unknown Summit area of Lassen Peak 3048 Comment
  GH379208  Draba aureola G. W. Gillett 1952-8-9 154 Unknown East shoulder of Lassen Peak, ca. 0.33 mile east of summit 2956 Comment
  GH379209  Draba aureola G. W. Gillett 1952-9-1 246 Unknown Summit Area of Lassen Peak, South slope 3108 Comment
  GH379210  Draba aureola G. W. Gillett 1952-8-2 140 Unknown area south of 1915 Black Dacite flow, level area below summit rocks to near tip of peak, Summit area of Lassen Peak 3169 Comment
Read comments
Jul 16 2015
  JEPS3742  Draba aureola George Gillett 1952-8-2 140 Shasta summit of Lassen Peak Lassen Volcanic National Park, Lassen Peak 3169 Comment
  JEPS6300  Draba aureola Chesnut and Drew circa 1889 Shasta Lassen Peak Comment
  JEPS6301  Draba aureola W. L. Jepson 1910-6-8 4092 Shasta Lassen Peak 2895 Comment
  JEPS8314  Draba aureola George W. Gillett 1953-7-16 279 Shasta 400 feet below summit Lassen Peak Lassen Volcanic National Park, below summit Lassen Peak 3048 Comment
  RSA115246  Draba aureola George W. Gillett 1952-8-2 140 Shasta Lassen Volcanic Nat l Park, on area south of 1915 Black Dacite flow, on level area below summit rocks to near tip of peak, summit area of Lassen park 3171 Comment
  SJSU4247  Draba aureola C. W. Sharsmith 1968-6-22 7585 Shasta W slope Lassen Peak, Lassen Volcanic National Park 2895 Comment
  UC1036180  Draba aureola George W. Gillett 1952-9-1 246 Shasta summit area, Lassen Volcanic National Park Lassen Peak; Lassen Volcanic National Park, summit Lassen Peak 3108 Comment
  UC1036211  Draba aureola George W. Gillett 1953-7-16 279 Shasta summit area Lassen Peak; Lassen Volcanic National Park, nr summit Lassen Peak 3048 Comment
  UC1036239  Draba aureola George W. Gillett 1952-8-9 154 Shasta ca 0.33 mi e of summit Lassen Peak (e shoulder of Lassen Peak); Lassen Volcanic National Park, e shoulder Lassen Peak 2956 Comment
  UC1036279  Draba aureola George W. Gillett 1952-7-26 104 Shasta summit Lassen Peak (Lassen Peak trail); Lassen Volcanic National Park, Lassen Peak trail 3169 Comment
  UC1061689  Draba aureola George W. Gillett 1952-8-2 140 Shasta on level area below summit rocks to near tip Lassen Peak (on area s of 1915 Black Dacite Flow, Lassen Volcanic National Park); Lassen Volcanic National Park, summit Lassen Peak 3169 Comment
  UC117775  Draba aureola Mrs. R. M. Austin 1882-8-5 Plumas near the base Lassen's Peak (on the banks of Dutch Hill Ditch); near base Lassen's Peak, banks Dutch Hill Ditch Comment
  UC117776  Draba aureola J. G. Lemmon 1870-1 Shasta summit Mt. Lassen Comment
Read comments
Jan 12 2009
  UC338667  Draba aureola unknown Shasta Lassens Peak Comment
  UC117750  Draba breweri R. M. Austin July 1896 Shasta Lassen's Peak Lassen's Peak (Lava Ashes) 2438 Comment
  JEPS28767  Drymocallis pseudorupestris var. saxicola George W. Gillett 1957-8-13 1064 Tehama near Brokeoff Mountain trail (niches of e cliffs of main Brokeoff structure); near Brokeoff Mountain trail 2514 Comment
  UC1036234  Drymocallis pseudorupestris var. saxicola George W. Gillett 1953-8-27 357 Shasta summit area of Lassen Peak Lassen Volcanic National Park, summit area Lassen Peak (s slope, Lassen Volcanic National Park) 2956 Comment
  UC114408  Drymocallis pseudorupestris var. saxicola Mrs. R. M. Austin July 1896-July 1899 387 Plumas Lassens Peak Comment
  UC1543855  Drymocallis pseudorupestris var. saxicola Harold and Virginia Bailey 1948-8-27 2949 c Shasta ridge overlooking Lake Helen (along trail from Lassen Peak parking area); Lassen Volcanic National Park 2590 Comment
  UC860644  Drymocallis pseudorupestris var. saxicola E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CHSC117620  Dysphania botrys Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21367 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC54864  Dysphania botrys Vernon H. Oswald 1991-9-1 4857 Tehama Lassen Volcanic Park. Lasen Hwy (Hwy 89) just inside the south park boundary. 1999 Comment
  JEPS127108  Dysphania botrys Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21367 Tehama A little south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  CHSC61973  Dysphania pumilio Vernon H. Oswald 1993-9-7 5925 Tehama Lassen Volcanic National Park. Lassen Chalet at the Southwest Entrance Station. Weed on N edge of the parking lot. 2049 Comment
  CAS-BOT-BC113590  Eleocharis acicularis John Thomas Howell 1960-8-23 36435 Shasta Emerald Lake 2468 Comment
  CAS-BOT-BC113415  Eleocharis bella John Thomas Howell 1960-8-18 36047 Tehama Bluff Falls 1981 Comment
  UCD62810  Elymus X hansenii John Thomas Howell 1960-8-18 36084 Tehama Sulphur Works Checking Station. Lassen Volcanic National Park. 2011 Comment
  CAS-BOT-BC237631  Elymus X saundersii John Thomas Howell 1960-8-18 36086 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC227900  Elymus elymoides H. F. Copeland 1931-8-9 s.n. Shasta Mt. Lassen 2590 Comment
  CAS-BOT-BC227932  Elymus elymoides John Thomas Howell 1960-8-19 36165 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  RSA201306  Elymus elymoides J. T. Howell 1960-8-19 36165 Tehama Brokeoff Mountain trail 2683 Comment
  RSA201352  Elymus elymoides J. T. Howell 1960-8-19 36165 Tehama Brokeoff Mountain trail 2683 Comment
  UCD61413  Elymus elymoides John Thomas Howell 1960-8-19 36176 Shasta Summit ridge, Brokeoff Mt. 2743 Comment
  CHSC35619  Elymus elymoides subsp. elymoides R. E. Preston 1981-7-19 111 B Shasta Meadow. At the Sulfur Works, Lassen National Park. 2148 Comment
  JEPS28325  Elymus elymoides subsp. elymoides George W. Gillett 1957-8-18 1099 Tehama lower portion of Brokeoff Mt. Trail about 1/4 mi above Sulphur Works Checking Station; Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  UC1543872  Elymus elymoides subsp. elymoides Harold and Virginia Bailey 1948-8-27 3047 a Shasta Loop Highway at water fountain below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  UC1558224  Elymus elymoides subsp. elymoides Harold and Virginia Bailey 1948-8-27 3047 a Shasta loop highway at water fountain below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  CAS-BOT-BC203407  Elymus glaucus subsp. glaucus W. B. Cooke; V. G. Cooke 1962-8-14 33477 Tehama Openings along Broke-Off Mountain Trail, Lassen Volcanic National Park Comment
  CAS-BOT-BC203733  Elymus glaucus subsp. glaucus John Thomas Howell 1960-8-18 36083 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC204308  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1960-8-18 36085 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CHSC59150  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald; Steve Mitchelson 1992-8-5 5148 Tehama Lassen Volcanic National Park. Jeep trail on the ski slope aove Lassen Hwy., near the SW Entrance Station. 2048 Comment
  CHSC54543  Elytrigia intermedia subsp. intermedia Vernon H. Oswald 1991-8-16 4831 Shasta Lassen Volcanic Park. Lassen Hwy northeast of Diamond Pk, at Road Marker 11. 2255 Comment
  CHSC46570  Epilobium anagallidifolium Vernon H. Oswald 1989-7-24 3891 Shasta Emerald Lake, Lassen Volcanic Park. On the northwest edge of the lake. 2468 Comment
  JEPS28772  Epilobium anagallidifolium George W. Gillett 1957-8-17 1087 Shasta Emerald Lake Lassen Volcanic National Park (s shore) 2468 Comment
  CHSC59089  Epilobium ciliatum subsp. glandulosum Vernon H. Oswald 1992-8-19 5167 Tehama Lassen Volcanic National Park. Drainage W of the upper end of the ski lift, ca. 0.5 mi NW of the Southwest Entrance Station. On the edge of streamlets in a meadow. 2182 Comment
  CHSC46577  Epilobium glaberrimum subsp. fastigiatum Vernon Oswald 1986-7-28 2249 Shasta Trail between Bumpass Hell and Cold Boiling Lake at a point overlooking Crumbaugh Lake, Lassen Volcanic National Park. 2362 Comment
  CHSC46583  Epilobium hallianum Vernon H. Oswald 1989-7-24 3889 Shasta Crumbaugh Lake, Lassen Volcanic Park. Along the southwest shore of the lake. 2194 Comment
  CHSC46580  Epilobium hornemannii subsp. hornemannii Vernon H. Oswald 1989-7-24 3890 Shasta Crumbaugh Lake, Lassen Volcanic Park. Along the southwest shore of the lake. 2194 Comment
  UC1036281  Epilobium hornemannii subsp. hornemannii George W. Gillett 1952-7-27 106 Shasta above hwy near hot springs; Lassen Volcanic National Park, Vicinity of Sulphur Works 2118 Comment
  CHSC61432  Epilobium obcordatum Vernon H. Oswald; Lowell Ahart 1993-8-18 5828 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. At the N end of the ridge. 2468 Comment
  JEPS28771  Epilobium obcordatum George W. Gillett 1957-8-13 1068 Tehama s exposure of upper Brokeoff formation Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS39220  Epilobium obcordatum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2865 Comment
  UC1036329  Epilobium obcordatum George W. Gillett 1952-8-17 199 Shasta on Little Hot Springs Valley Grade 2 mi below Bumpas Hell trail origin (above Lassen Peak Hwy, near drinking fountain); Lassen Volcanic National Park 2286 Comment
  UC873453  Epilobium obcordatum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park 2743 Comment
  UC1543848  Epilobium torreyi Harold and Virginia Bailey 1948-8-27 2951 a Shasta Loop Highway at water fountain below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  CAS-BOT-BC56969  Equisetum arvense John Thomas Howell 1960-8-18 36053 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC286602  Ericameria bloomeri G. Schoolcraft 1987-9-1 1770 Lassen About midway up N. slope of Observation Mtn. along road 2072 Comment
  CAS-BOT-BC286683  Ericameria bloomeri M. S. Jussel 1931-9-7 s.n. Shasta Bumpas Hell Trail, Mt. Lassen 2133 Comment
  HSC40163  Ericameria bloomeri Thomas W. Nelson, Jane P. Nelson 1976-8-1 3111 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  JEPS28500  Ericameria bloomeri George W. Gillett 1957-8-10 1022 Shasta saddle between Ski Heil and Pilot Pinnacle; Lassen Volcanic National Park Comment
  UC86506  Ericameria bloomeri Mrs. R. M. Austin 1896-7-1 350 Shasta Lassens Peak Comment
  UCD67758  Ericameria bloomeri Collector unknown 1996-9-7 Shasta Lassen Volcanic National Park. Perennial plant communities in dry rock crevices and rocky slopes at Bumpass Hell trail. 2580 Comment
  UCD67877  Ericameria bloomeri D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-12 s.n. Shasta Lassen Volcanic National Park. Perennial plant communities in rocky slopes at Brokeoff Mountain. 2690 Comment
  CAS-BOT-BC287469  Ericameria greenei John Thomas Howell 1960-8-19 36191 Tehama Lassen Volcanic National Park. Brokeoff Mt 2804 Comment
  CAS-BOT-BC287470  Ericameria greenei John Thomas Howell 1960-8-19 36157 A Tehama Lassen Volcanic National Park. Brokeoff Mt 2682 Comment
  CAS-BOT-BC287473  Ericameria greenei John Thomas Howell 1960-8-18 36092 A Tehama Lassen Volcanic National Park. Sulphur Works entrance station 2011 Comment
  CAS-BOT-BC287476  Ericameria greenei Hans Leschke 1954-9-22 s.n. Tehama Lassen Volcanic National Park. Brokeoff Mt 2316 Comment
  CAS-BOT-BC287479  Ericameria greenei George W. Gillett 1957-8-10 1022 Shasta Lassen Volcanic National Park. Saddle between Ski Heil and Pilot Pinnacle Comment
  CHSC33236  Ericameria greenei R. A. Schlising 1979-9-13 3490 Shasta Lassen National Park, trail to peak of Brokeoff Mountain. 2682 Comment
  CHSC48160  Ericameria greenei Vernon Oswald 1986-8-4 2269 Shasta Brokeoff Mt. Trail, Lassen Volcanic National Park. 2682 Comment
  JEPS29549  Ericameria greenei John Thomas Howell 1960-8-19 36157 A Tehama rocky s slope Brokeoff Mountain; Lassen Volcanic National Park, Brokeoff Mountain 2682 Comment
  CAS-BOT-BC299454  Ericameria nauseosa var. speciosa M. S. Jussel 1931-9-7 s.n. Shasta Bumpas Hell Trail, Mt. Lassen 2286 Comment
  CAS-BOT-BC299455  Ericameria nauseosa var. speciosa M. S. Jussel 1931-9-7 s.n. Shasta Bumpas Hell Trail, Mt. Lassen 2286 Comment
  CHSC117623  Ericameria nauseosa var. speciosa Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21365 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC61401  Ericameria nauseosa var. speciosa Vernon H. Oswald; Lowell Ahart 1993-8-18 5833 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conrad, near the south boundary of the park. 2490 Comment
  HSC41159  Ericameria nauseosa var. speciosa Thomas W. Nelson, Jane P. Nelson 1976-8-1 3106 Shasta Lassen Volcanic National Park, just E of Manzanita Lake Comment
  HSC41160  Ericameria nauseosa var. speciosa Thomas W. Nelson, Jane P. Nelson 1976-8-1 3107 Shasta Lassen Volcanic National Park, just E of Manzanita Lake Comment
  JEPS127106  Ericameria nauseosa var. speciosa Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21365 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  JEPS29561  Ericameria nauseosa var. speciosa John Thomas Howell 1960-8-21 36311 Tehama 1/2 mi se of Sulphur Works; Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC293376  Erigeron acris var. kamtschaticus M. A. Showers 1980-8-17 2002 mas Shasta On north and nw-facing slopes of Bumpass Mt., Lassen Volcanic National Park 2651 Comment
  UC1036233  Erigeron compositus George W. Gillett 1953-8-27 351 Shasta Lassen Peak Lassen Volcanic National Park (summit area) 2865 Comment
  UC334764  Erigeron compositus J. G. Lemmon and wife 1874-9-1 Shasta Lassen's Peak Comment
  UC336099  Erigeron compositus unknown 1873-9-1 Shasta Lassen's Peak Comment
  UC397402  Erigeron compositus unknown 1922-1-1 Shasta Lassen Peak Sierra Nevada, Lassen Peak 2743 Comment
  CAS-BOT-BC300427  Erigeron elegantulus D. Showers 1979-7-23 DS 4328 Shasta Near summit of Loomis Peak, Lassen Volcanic National Park 2560 Comment
  CHSC61403  Erigeron elegantulus Vernon H. Oswald; Lowell Ahart 1993-8-18 5839 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Along the ridge S of the highest point. 2490 Comment
  CAS-BOT-BC300855  Erigeron glacialis var. glacialis Hans Leschke 1959-8-10 1656 Shasta Lassen Volcanic National Park. Soda Lake 2385 Comment
  CHSC43605  Erigeron glacialis var. glacialis Vernon Oswald 1986-7-28 2246 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2316 Comment
  JEPS28784  Erigeron glacialis var. glacialis George W. Gillett 1957-8-17 1084 Shasta Emerald Lake Lassen Volcanic National Park, Emerald Lake 2468 Comment
  JEPS41392  Erigeron glacialis var. glacialis Jos. Grinnell 1925-7-27 Tehama Broke-off Mountain 2438 Comment
  JEPS41403  Erigeron glacialis var. glacialis Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2438 Comment
  UC54100  Erigeron glacialis var. glacialis H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4322 Tehama Park's Ranch, s side of Mount Lassen 2133 Comment
  CHSC60308  Erigeron inornatus var. inornatus Mary Ann Showers 1992-6-26 2593 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  JEPS41453  Erigeron klamathensis J. G. Lemmon 1870-1 Shasta Lassens Peak Comment
  UC336094  Erigeron klamathensis unknown Shasta Lassen's Peak Comment
  SD9017  Erigeron nivalis Mrs. R. M. Austin 1882-8-10 Lassen Lassen Peak Comment
Read comments
Apr 29 2013
  CAS-BOT-BC256170  Eriogonum douglasii var. meridionale Clare B. Hardham 1961-6-16 7477 Plumas Diamond Peak, Sierra Nevada Mountains 457 Comment
  CHSC95195  Eriogonum marifolium R. D. Fischer 2005-8-1 842 Tehama Cascade Range High in Lassen National Volcanic Park. Specimen found along Ridge Lake Trail out of Sulfur Works. 1981 Comment
  GH364323  Eriogonum marifolium J. G. Lemmon 1875-1-1 1146 Unknown Lassen Peak, near Summit Comment
  GH364330  Eriogonum marifolium M. E. Jones 1897-7-8 Unknown Lassen's Peak 1828 Comment
  HSC40164  Eriogonum marifolium Thomas W. Nelson, Jane P. Nelson 1976-8-1 3112 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  JEPS28780  Eriogonum marifolium George W. Gillett 1957-8-17 1079 Shasta above Lake Helen; Lassen Volcanic National Park, Helen Mountain 2590 Comment
  JEPS56729  Eriogonum marifolium W. L. Jepson 1929-9-29 15323 Shasta nw slope of Lassen Peak Lassen Peak 2682 Comment
  LA206882  Eriogonum marifolium M. S. Jussel; 1931-9-7 sn Shasta Mount Lassen, Lassen National Park 2590 Comment
  LA206884  Eriogonum marifolium C. W. Hallis; June 1730 1928 sn Plumas Mount Lassen, Lassen National Park Comment
  POM117134  Eriogonum marifolium Marcus E. Jones 1897-7-8 s.n. Shasta Lassen Peak. 1829 Comment
  POM180986  Eriogonum marifolium M. S. Jussel 1931-9-7 s.n. Shasta Mt. Lassen. 2591 Comment
  RSA303964  Eriogonum marifolium James R. Shevock 1972-7-24 2205 Shasta Lassen Peak; Lassen Park. 2744 Comment
  RSA780322  Eriogonum marifolium Elizabeth A. Kempton 2007-8-15 509 Lassen Lassen National Forest, Lassen Peak ca. 0.25 mile along trail from trailhead/parking lot. 2678 Comment
  RSA79090  Eriogonum marifolium E. K. Balls, Percy C. Everett 1952-10-14 18204 Shasta Summit Pass, Lassen Peak, Hwy 89. 2595 Comment
  SBBG21289  Eriogonum marifolium D. Myrick 1964-7-22 908 Shasta Lassen Trail Parking Area 2529 Comment
  UC1543741  Eriogonum marifolium Harold and Virginia Bailey 1948-8-27 2944 a Shasta Lassen Peak trail Lassen Volcanic National Park 2590 Comment
  UC1543742  Eriogonum marifolium Harold and Virginia Bailey 1948-8-27 2947 c Shasta ridge overlooking Lake Helen (along trail from Lassen Peak parking area); Lassen Volcanic National Park 2590 Comment
  UC485731  Eriogonum marifolium H. F. Copeland 1931-8-9 Shasta Mt. Lassen 2438 Comment
  UC604399  Eriogonum marifolium Herbert McLean Evans 1922-1 Shasta Lassen Peak 2743 Comment
  UC849547  Eriogonum marifolium E. G. Anderson 1935-8-31 Shasta Lassen Peak Lassen Volcanic National Park, Lassen Peak 3048 Comment
  UCD100387  Eriogonum marifolium John Thomas Howell 1960-8-19 36199 Tehama Brokeoff Mt., summit ridge. 2804 Comment
  UCR245458  Eriogonum marifolium Elizabeth A. Kempton 2007-8-15 509 Shasta Lassen National Forest, Lassen Peak c. 0.25 mi along trail from trailhead/parking lot 2678 Comment
  CAS-BOT-BC263204  Eriogonum marifolium var. marifolium John Thomas Howell 1960-8-19 36199 Tehama Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2804 Comment
  CAS-BOT-BC263205  Eriogonum marifolium var. marifolium John Thomas Howell 1960-8-19 36137 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  CAS-BOT-BC263209  Eriogonum marifolium var. marifolium George W. Gillett 1957-8-17 1079 Shasta Lassen Volcanic National Park. Helen Mountain. Southwest exposure, above Lake Helen 2590 Comment
  CAS-BOT-BC263315  Eriogonum marifolium var. marifolium Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC263316  Eriogonum marifolium var. marifolium M. S. Jussel 1931-9-7 s.n. Shasta Mt. Lassen 2590 Comment
  CAS-BOT-BC263317  Eriogonum marifolium var. marifolium Lewis S. Rose 1945-9-4 45239 Shasta Summit Lassen Peak Highway 2590 Comment
  CAS-BOT-BC263319  Eriogonum marifolium var. marifolium H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. By Emerald Lake 2500 Comment
  CAS-BOT-BC263320  Eriogonum marifolium var. marifolium H. M. Evans 1922-7-1 s.n. Shasta Lassen Peak, Mt Lassen National Park 2743 Comment
  CAS-BOT-BC263322  Eriogonum marifolium var. marifolium Jeanne Janish; Carl Janish 1938-9-6 s.n. Shasta Near Lake Helen, Lassen National Park 2042 Comment
  CHSC60377  Eriogonum marifolium var. marifolium Mary Ann Showers 1992-6-27 2604 Shasta Lassen Volcanic National Park. Pumice flat northwest of Crescent Crater. 2194 Comment
  CHSC117621  Eriogonum nudum var. pubiflorum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21366 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC60378  Eriogonum nudum var. pubiflorum Mary Ann Showers 1992-6-26 2591 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  JEPS127112  Eriogonum nudum var. pubiflorum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21366 Tehama A little south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  UC727134  Eriogonum nudum var. pubiflorum A. A. Heller 1941-8-11 16282 Shasta near head of Little Hot Spring Valley; Lassen Volcanic National Park Comment
  CHSC60379  Eriogonum ovalifolium var. nivale Mary Ann Showers 1992-6-27 2605 Shasta Lassen Volcanic National Park. Pumice flat northwest of Crescent Crater. 2194 Comment
  HSC40169  Eriogonum pyrolifolium Thomas W. Nelson, Jane P. Nelson 1976-8-1 3119 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  RSA780054  Eriogonum pyrolifolium Elizabeth A. Kempton 2007-8-15 510 Lassen Lassen National Forest, Lassen Peak ca. 0.25 mile along trail from trailhead/parking lot. 2678 Comment
  SBBG21288  Eriogonum pyrolifolium D. Myrick 1964-7-22 906 Shasta Mt Lassen Trail Parking area 2529 Comment
  UC1036298  Eriogonum pyrolifolium George W. Gillett 1952-8-2 143 Shasta Summit area of Lassen Peak Lassen Volcanic National Park, Lassen Peak (near trail) 3169 Comment
  UC1037198  Eriogonum pyrolifolium Leo Whitney 1934-9-16 1520 Shasta s side of Lassen Peak Lassen National Park, Lassen Peak 2560 Comment
  UC1543743  Eriogonum pyrolifolium Harold and Virginia Bailey 1948-8-27 2944 b Shasta Lassen Peak trail Lassen Volcanic National Park, Lassen Peak trail 2590 Comment
  UC485730  Eriogonum pyrolifolium H. F. Copeland 1931-8-9 1441 Shasta Mt. Lassen 2590 Comment
  UC604398  Eriogonum pyrolifolium Herbert McLean Evans 1922-1 Shasta Lassen Peak 2743 Comment
  UC725744  Eriogonum pyrolifolium A. A. Heller 1939-7-27 15425 Shasta trail to Bumpas Hell (slopes at the parking space); Lassen Volcanic National Park 2438 Comment
  UC849693  Eriogonum pyrolifolium E. G. Anderson 1935-8-31 Shasta Lassen Peak Lassen Volcanic National Park, Lassen Peak 3048 Comment
  UC85676  Eriogonum pyrolifolium Mrs. R. M. Austin 1883-1 Shasta Lassen's Peak Comment
  UC85677  Eriogonum pyrolifolium Mrs. R. M. Austin 1879-1-1 Shasta Lassen's Peak 3048 Comment
  UCD100864  Eriogonum pyrolifolium D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park; at Lassen Peak. 3040 Comment
  UCR245456  Eriogonum pyrolifolium Elizabeth A. Kempton 2007-8-15 510 Shasta Lassen National Forest, Lassen Peak c. 0.15 mi along trail from trailhead/parking lot 2678 Comment
  CAS-BOT-BC252946  Eriogonum pyrolifolium var. pyrolifolium H. F. Copeland 1931-8-9 1441 Shasta Mt. Lassen 2590 Comment
  CAS-BOT-BC252948  Eriogonum pyrolifolium var. pyrolifolium A. R. Kruckeberg 1954-8-5 3704 Shasta Along trail to Lassen Peak from Helen Lake, Lassen Volcanic N.P. 2590 Comment
  CAS-BOT-BC252949  Eriogonum pyrolifolium var. pyrolifolium Jeanne Janish; Carl Janish 1938-9-6 s.n. Shasta Near Lake Helen, Lassen National Park 2042 Comment
  CAS-BOT-BC252950  Eriogonum pyrolifolium var. pyrolifolium Lewis S. Rose 1945-9-4 45236 Shasta Summit Lassen Peak Highway, Lassen Volcanic National Park 2590 Comment
  CAS-BOT-BC252952  Eriogonum pyrolifolium var. pyrolifolium Noel H. Holmgren; James L. Reveal 1966-7-19 2904 Shasta Slope between Bumpass Hell Trail and Lassen Park Road, Lassen Volcanic National Park 2414 Comment
  CHSC45369  Eriogonum pyrolifolium var. pyrolifolium Vernon Oswald 1986-8-11 2282 Shasta Lassen Peak Trail near timberline. 2804 Comment
  CHSC60381  Eriogonum pyrolifolium var. pyrolifolium Mary Ann Showers 1992-6-28 2670 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  POM219302  Eriogonum pyrolifolium var. pyrolifolium H. F. Copeland 1931-8-9 1441 Shasta Mt. Lassen, near timberline. 2591 Comment
  RSA303980  Eriogonum pyrolifolium var. pyrolifolium James R. Shevock 1972-7-24 2206 Shasta Lassen Peak; Lassen Park. 2896 Comment
  RSA64592  Eriogonum pyrolifolium var. pyrolifolium F. W. Peirson 1926-6-23 6843 Shasta Trail to summit of Lassen Peak, Lassen National Park Comment
  SEINET10226338  Eriogonum pyrolifolium var. pyrolifolium Noel H. Holmgren, James L. Reveal 1966-1 2904 Shasta Lassan Volcanic National Park; slope between Bumpass Hell trail and Lassan Park road 2414 Comment
  CAS-BOT-BC268626  Eriogonum spergulinum var. reddingianum Alice Eastwood 1912-8-22 1752 Tehama Trail from Morgans Springs to Sulphur Works. Lassen Butte Region Comment
  CHSC60382  Eriogonum spergulinum var. reddingianum Mary Ann Showers 1992-6-26 2564 Tehama Lassen Volcanic National Park. Ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CAS-BOT-BC262784  Eriogonum strictum var. proliferum Clare B. Hardham 1961-6-16 7478 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  UC912745  Eriogonum umbellatum var. dumosum E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CHSC61434  Eriogonum umbellatum var. nevadense Vernon H. Oswald; Lowell Ahart 1993-8-18 5835 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Locally common along the rocky ridge S of the highest point. 2490 Comment
  POM105171  Eriogonum umbellatum var. nevadense Marcus E. Jones 1897-7-8 s.n. Shasta Lassen Peak. 1829 Comment
  LA84274  Eriogonum umbellatum var. polyanthum O. H. Kappler; 1949-7-27 2005 Shasta Lassen National Park, N. slope, Mt. Lassen 1767 Comment
  RSA65956  Eriogonum umbellatum var. polyanthum F. W. Peirson 1932-7-19 10343 Shasta Mt. Lassen. 1829 Comment
  CAS-BOT-BC262201  Eriogonum ursinum Alice Eastwood 1912-8-22 1789 Tehama Trail from Morgans Springs to Sulphur Works, Lassen Butte Region Comment
  CAS-BOT-BC262277  Eriogonum ursinum John Thomas Howell 1960-8-19 36179 Shasta Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2773 Comment
  CAS-BOT-BC262279  Eriogonum ursinum George W. Gillett 1957-8-17 1081 Shasta Lassen Volcanic National Park. Helen Mountain. Southwest exposure above Lake Helen 2590 Comment
  CAS-BOT-BC262280  Eriogonum ursinum Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC262283  Eriogonum ursinum George W. Gillett 1957-8-13 1065 Tehama Lassen Volcanic National Park. Brokeoff Mountain 2514 Comment
  JEPS28782  Eriogonum ursinum George W. Gillett 1957-8-17 1081 Shasta southwest exposure above Lake Helen (Helen Mountain); Lassen Volcanic National Park, Helen Mountain 2590 Comment
  LA84275  Eriogonum ursinum O. H. Kappler; 1949-7-27 sn Shasta Lassen National Park, N. slope, Mt. Lassen 1859 Comment
  UC412901  Eriogonum ursinum Mrs. R. M. Austin July 1896 832 Plumas Lassen's Peak Comment
  UC912756  Eriogonum ursinum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  UC336229  Eriophyllum confertiflorum var. confertiflorum unknown 1874-9-1 Shasta near Lassen's Peak Comment
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May 23 2013
  UC336224  Eriophyllum lanatum var. achilleoides Lemmon Sep 1874 Shasta Lassen's Peak Comment
  UC336223  Eriophyllum lanatum var. grandiflorum unknown 1876-1-1 Shasta Lassen's Peak Comment
  CAS-BOT-BC54564  Erysimum capitatum John Thomas Howell 1960-8-19 36163 Tehama Brokeoff Mountain Trail. 2682 Comment
  UC1036192  Erysimum capitatum George W. Gillett 1952-8-2 309 Shasta on road embankment one mi below hot springs; Lassen Volcanic National Park, vicinity of Sulphur Works 1981 Comment
  UC1036246  Erysimum capitatum George W. Gillett 1952-7-20 84 Shasta along shoulder of hwy below springs; Lassen Volcanic National Park, vicinity of Sulphur Works 2133 Comment
  UC1036269  Erysimum capitatum George W. Gillett 1952-7-14 69 Shasta rocky hillside between ski lift and hot springs; Lassen Volcanic National Park, vicinity of Sulphur Works 2103 Comment
  CHSC25750  Erysimum capitatum var. capitatum John Steiner 1977-6-9 60 Shasta Lassen Volcanic National Park. On s face of Diamond Peak, 3 km e of Brokeoff Mountain. 2195 Comment
  RSA101878  Erysimum capitatum var. perenne G. B. Rossbach, Ruth P. Rossbach 1938-7-20 891 Tehama Just N of Sulphur Works mud volcanoes, Lassen Volcanic Nat. Park. Comment
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Jul 19 2013
  RSA113762  Erysimum capitatum var. perenne George W. Gillett 1952-8-2 309 Shasta 1 mile below hot springs. Vicinity of Sulphur Works. 1982 Comment
  CAS-BOT-BC54946  Erysimum perenne G. B. Rossbach; R. P. Rossbach 1938-7-20 891 Tehama Just north of Sulphur Works mud volcanoes, Lassen Volcanic National Park Comment
  CHSC38096  Erysimum perenne R. E. Preston 1983-8-6 404 Shasta Near summit of Diamond Peak, Lassen Volcanic National Park. 2316 Comment
  GH379548  Erysimum perenne G. W. Gillett 1952-7-20 84 Unknown Along shoulder of highway below springs. Vicinity of Sulphur Works 2133 Comment
  GH379549  Erysimum perenne G. W. Gillett 1952-8-2 309 Unknown One mile below hot springs on road embankment. Vicinity of Sulphur Works 1981 Comment
  GH379557  Erysimum perenne G. B. Rossbach & R. P. Rossbach 1938-7-20 891 Unknown just north of Sulphur Works mud volcanoes, Lassen Volcanic Nat. Park, no. Tehama Co. Comment
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Jul 19 2013
  UC1543773  Erysimum perenne Harold and Virginia Bailey 1948-8-27 3055 Tehama Loop Hwy overlooking Sulphur Creek (below Sulphur Works); Lassen Volcanic National Park 2072 Comment
  CHSC49000  Erythranthe lewisii Vernon Oswald 1986-7-28 2247 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2286 Comment
  CHSC49010  Erythranthe tilingii Vernon Oswald 1986-8-4 2264 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2346 Comment
  CHSC61445  Erythronium purpurascens Vernon H. Oswald; Lowell Ahart 1993-8-18 5823 Tehama E slope of Mt. Conard just below the summit ridge, near the S boundary of Lassen Volcanic National Park. 2414 Comment
  JEPS61871  Erythronium purpurascens W. L. Jepson 1910-6-6 4079 Shasta Hot Springs Valley Lassen Pk. 1889 Comment
  JEPS61872  Erythronium purpurascens Joseph Grinnell 1928-6-8 Tehama 6 mi n Mineral 1828 Comment
  SEINET3992013  Erythronium purpurascens Unknown 1897-7-7 Unknown Lassen's Peak 1829 Comment
  SEINET3992014  Erythronium purpurascens Unknown 1897-7-7 Unknown Lassen's Peak 1829 Comment
  UC1036268  Erythronium purpurascens George W. Gillett 1952-7-13 63 Shasta vicinity of Sulphur Works (below buildings); Lassen Volcanic National Park 2133 Comment
  UC143421  Erythronium purpurascens Mrs. R. M. Austin Aug. 1896 531 Shasta Lassens Peak Comment
  UC54200  Erythronium purpurascens H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4294 Shasta Soupan Springs Mount Lassen 2438 Comment
  UC726229  Erythronium purpurascens A. A. Heller 1941-8-11 16282 Shasta gravelly slope near head of Little Hot Springs Valley; Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC310391  Eucephalus breweri Alice Eastwood 1912-8-22 1828 Shasta Trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC310393  Eucephalus breweri M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC310404  Eucephalus breweri John Thomas Howell 1960-8-19 36110 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2133 Comment
  CAS-BOT-BC310407  Eucephalus breweri John Thomas Howell 1960-8-19 36132 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  CHSC43618  Eucephalus breweri Vernon H. Oswald 1986-7-28 2248 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2286 Comment
  JEPS29568  Eucephalus breweri J. Thomas Howell 1960-8-19 36166 Tehama Brokeoff Mountain Trail 2682 Comment
  JEPS3340  Eucephalus breweri George Gillett 1952-8-17 197 Shasta Sulphur Works, along roadside Lassen Volcanic National Park, Sulphur Works 2118 Comment
  UC1558222  Eucephalus breweri Harold and Virginia Bailey 1948-8-27 3050 Shasta below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  UC894597  Eucephalus breweri E. G. Anderson 1935-9-2 Shasta lower part of Brokeoff Trail Lassen Volcanic National Park 2286 Comment
  UC894620  Eucephalus breweri Alice Eastwood Aug 22 1912-Aug 26 1912 1828 Shasta trail from Morgan Springs to Lassen Butte Lassen Butte Comment
  UCD132281  Eucephalus breweri John Thomas Howell 1960-8-19 36166 Tehama Brokeoff Mountain trail. 2682 Comment
  UCD142808  Euphorbia serpillifolia John Thomas Howell 1960-8-18 36031 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC310511  Eurybia integrifolia John Thomas Howell 1960-8-19 36130 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  CAS-BOT-BC310544  Eurybia integrifolia H. E. Brown 1897-8-1 605 Plumas Near Lassen Buttes 1828 Comment
  UC221459  Eurybia integrifolia H. E. Brown Aug 1 1897-Aug 15 1897 605 Plumas near Lassen Buttes 1828 Comment
  UC86953  Eurybia integrifolia Mrs. R. M. Austin 1890-1 551 Shasta Lassens Peak Comment
  UC893029  Eurybia integrifolia E. G. Anderson 1935-9-1 Shasta Crumbaugh Lake 2197 Comment
  CHSC102589  Festuca pringlei L. P. Janeway 2009-7-26 9868 Shasta High Cascade Range. Low on the northeast slope of Ski Heil Peak. 2682 Comment
  CHSC61106  Floerkea proserpinacoides Vernon H. Oswald; Lowell Ahart 1993-7-27 5710 Shasta Lassen Volcanic National Park. Blue Lake Canyon, 0.3 mi E of the park boundary, between the trail and the N Fork of Bailey Creek. On the edge of a meadow. 1950 Comment
  UC54485  Floerkea proserpinacoides H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4315 Shasta below Soupan Springs (Mount Lassen); Mount Lassen 2286 Comment
  SEINET177687  Fragaria virginiana var. glauca Marcus E. Jones 1897-7-7 Shasta Lassen's Peak. 1829 Comment
  SEINET177688  Fragaria virginiana var. glauca Marcus E. Jones 1897-7-7 Shasta Lassen's Peak. 1829 Comment
  CHSC60469  Fritillaria atropurpurea Mary Ann Showers 1992-6-26 2587 a Tehama Along West Sulphur Creek east of Sulphur Works Entrance Station. Lassen Volcanic National Park. 1828 Comment
  JEPS61891  Fritillaria atropurpurea Joseph Grinnell 1928-6-8 Tehama 6 mi n of Mineral 2133 Comment
  UC54207  Fritillaria atropurpurea H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4304 Shasta Mount Lassen, Soupan Springs Soupan Springs; Mount Lassen, Soupan Springs 2438 Comment
  CHSC60402  Galium aparine Mary Ann Showers 1992-6-26 2586 a Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC61438  Galium bifolium Vernon Oswald; Lowell Ahart 1993-8-18 5817 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2200 Comment
  JEPS6510  Galium bifolium W. L. Jepson 1910-6-9 4105 Shasta near Lassen Peak; Hot Springs Valley 1828 Comment
  UC54584  Galium bifolium H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4314 Shasta Soupan Springs Mount Lassen 2438 Comment
  GH385862  Galium bolanderi M. E. Jones 1897-7-8 Unknown Lassen's Peak 1828 Comment
  JEPS6709  Galium bolanderi W. L. Jepson 1927-6-22 12291 Plumas ridge n Hot Springs Valley; Lassen Peak 1828 Comment
  CHSC60406  Galium grayanum Mary Ann Showers 1992-6-28 2701 Lassen Lassen Volcanic National Park. Andesite cliffs west of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  JEPS27419  Galium grayanum Ehrendorfer, Stebbins, and Dempster 1959-9-27 5964 Shasta Brokeoff Mountain Lassen National Park Comment
  JEPS28747  Galium grayanum George W. Gillett 1957-8-10 1029 Shasta s crags below summit; Lassen Volcanic National Park, Pilot Pinnacle 2682 Comment
  JEPS29540  Galium grayanum John Thomas Howell 1960-8-19 36135 Tehama Brokeoff Mountain trail Lassen Volcanic National Park 2438 Comment
  JEPS29541  Galium grayanum John Thomas Howell 1960-8-19 36178 Shasta summit ridge Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS58895  Galium grayanum John Thomas Howell 1960-8-19 36135 Tehama Brokeoff Mountain trail Lassen Volcanic National Park 2438 Comment
  CHSC43738  Galium grayanum var. grayanum Vernon Oswald 1986-6-25 2155 Shasta Lassen Hwy at Diamond Pk. 2225 Comment
  UC888954  Galium grayanum var. grayanum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park 2743 Comment
  UC224156  Galium mexicanum var. asperulum H. E. Brown Aug 15 1897-Aug 31 1897 670 Plumas near Lassen Buttes 1828 Comment
  CHSC60408  Galium triflorum Mary Ann Showers 1992-6-26 2586 b Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  GH417050  Galium triflorum A. Eastwood 1912-08-22 - 1912-08-26 1805 Unknown trail from Morgans Springs to Lassen Butte Comment
  CHSC58028  Gaultheria humifusa Vernon H. Oswald; G. Gray, S. Mitchelson, S. Rosas 1992-6-4 4981 Tehama Lassen Volcanic National Park. Spring-fed streamlet crossing Lassen Hwy. at the SW Entrance Station. On the W side of the highway. 2042 Comment
  JEPS27533  Gayophytum humile W. L. Jepson 1927-6-22 12293 Shasta Hot Springs Valley Lassen Peak 1828 Comment
  UC22760  Gentiana newberryi W. H. Brewer Sep 1863 2175 Shasta Lassen Peak 2438 Comment
  CHSC43680  Gentianopsis simplex Vernon Oswald 1984-7-16 1601 Tehama 30N16, 5.0 mi w of Hwy 89 (to Lassen Park) via 29N22. 1828 Comment
  CAS-BOT-BC280556  Glyceria elata Hans Leschke 1955-8-30 s.n. Shasta Lassen Volcanic National Park. Near Sulphur Works entrance station 2133 Comment
  CHSC60475  Glyceria elata Mary Ann Showers 1992-6-28 2646 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC60476  Glyceria elata Mary Ann Showers 1992-6-26 2595 Tehama Lassen Volcanic National Park. At edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC302590  Gnaphalium palustre John Thomas Howell 1960-8-18 s.n. Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC60317  Gnaphalium palustre Mary Ann Showers 1992-6-27 2652 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC102609  Hackelia californica L. P. Janeway 2009-7-26 9878 Tehama High Cascade Range. Lassen National Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  CHSC61409  Hackelia californica Vernon H. Oswald; Lowell Ahart 1993-8-18 5837 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Along the ridge S of the highest point. 2490 Comment
  JEPS67920  Hackelia californica W. L. Jepson 1910-6-6 4078 Plumas Lassen Peak; Hot Springs Valley 1828 Comment
Read comments
Jun 5 2009
  UC1543730  Hackelia californica Harold and Virginia Bailey 1948-8-27 3052 Shasta Loop Highway at water fountain below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  CHSC102591  Hackelia micrantha L. P. Janeway 2009-7-26 9877 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS67928  Hackelia micrantha Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain 2438 Comment
  UC1036320  Hackelia micrantha George W. Gillett 1952-8-11 177 Shasta 1/2 mi below Bumpas Hell (Trail from Bumpas Hell to King's Creek); Lassen Volcanic National Park 2377 Comment
  CHSC61410  Hackelia nervosa Vernon H. Oswald; Lowell Ahart 1993-8-18 5821 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Approaching the scree slope below the summit ridge of the mountain. 2383 Comment
  JEPS32732  Hackelia nervosa Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain Comment
  SBBG15605  Hackelia nervosa D. Myrick 1961-6-24 354 Shasta loop rd near sulphur works 2255 Comment
  UC1036238  Hackelia nervosa George W. Gillett 1952-8-11 Shasta 1/2 mi below Bumpas Hell (trail form Bumpas Hell to King's Creek); Lassen Volcanic National Park 2377 Comment
  UC1036271  Hackelia nervosa George W. Gillett 1952-7-20 85 Shasta one mi above Sulphur Works (above highway); Lassen Volcanic National Park 2194 Comment
  UC1036282  Hackelia nervosa George W. Gillett 1952-7-27 109 Shasta vicinity of Sulphur Works (above highway, near Hot Springs); Lassen Volcanic National Park 2118 Comment
  CAS-BOT-BC306537  Helenium bigelovii John Thomas Howell 1960-8-18 36074 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC60318  Helianthella californica var. nevadensis Mary Ann Showers 1992-6-26 2582 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC60319  Helianthella californica var. nevadensis Mary Ann Showers 1992-6-28 2633 Tehama Lassen Volcanic National Park. Ridge east of Sulphur Works Entrance Station east of and above West Sulphur Creek. 1950 Comment
  CHSC59176  Herniaria hirsuta subsp. hirsuta Vernon H. Oswald 1992-9-29 5220 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  CHSC61090  Heterocodon rariflorum Vernon H. Oswald 1993-7-27 5709 Shasta Lassen Volcanic National Park. Blue Lake Canyon, 0.3 mi E of the park boundary, between the trail and the N Fork of Bailey Creek. 1950 Comment
  CAS-BOT-BC319605  Hieracium albiflorum H. E. Brown 1897-8-1 650 Plumas Near Lassen Buttes 1828 Comment
  CHSC45684  Hieracium bolanderi Vernon Oswald 1986-7-24 2235 Tehama Near the Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  CHSC45683  Hieracium gracile Vernon Oswald 1986-7-24 2227 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2316 Comment
  UCD67757  Hieracium horridum Collector unknown 1996-9-7 Shasta Lassen Volcanic National Park. Perennial plant communities in dry rock crevices and rocky slopes at Bumpass Hell trail. 2580 Comment
  CAS-BOT-BC312948  Hieracium triste Alice Eastwood 1912-8-22 1842 Unknown Trail from Morgans Springs to Lassen Butte Comment
  JEPS28740  Hieracium triste George W. Gillett 1957-8-10 1017 Shasta lwer e slopes Lassen Volcanic National Park, Eagle Peak 2636 Comment
  JEPS28763  Hieracium triste George W. Gillett 1957-8-13 1058 Tehama on Brokeoff Trail 1/2 mi from Supphur Works Checking Station (near base of extensive talus slope near first major stream crossing); Lassen Vocanic National Park, Brokeoff Mountain 2133 Comment
  CHSC59174  Hirschfeldia incana Vernon H. Oswald 1992-9-9 5200 Tehama Hwy. 89 between Bluff Falls and the south boundary of Lassen Volcanic National Park, 0.5 mi S of the latter. Roadside. 1981 Comment
  UCD113390  Holodiscus discolor var. glabrescens John Thomas Howell 1960-8-19 36198 Tehama Summit ridge, Brokeoff Mountain. 2804 Comment
  CAS-BOT-BC150120  Holodiscus microphyllus var. glabrescens Hans Leschke 1955-8-30 s.n. Shasta [Broke off] Brokeoff Mt. 2743 Comment
  CAS-BOT-BC150123  Holodiscus microphyllus var. glabrescens M. S. Jussel 1931-9-7 s.n. Shasta Mt. Lassen 2438 Comment
  CAS-BOT-BC150126  Holodiscus microphyllus var. glabrescens Alice Eastwood 1912-8-22 1866 Shasta Trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC150127  Holodiscus microphyllus var. glabrescens Lewis S. Rose 1945-9-4 45241 Shasta Summit of Lassen Peak Highway 2590 Comment
  GH345070  Holodiscus microphyllus var. glabrescens W. L. Jepson 1929-9-29 15327 Unknown Lassen Peak. 2834 Comment
  GH345077  Holodiscus microphyllus var. glabrescens A. Eastwood 1912-08-22 - 1912-08-26 1866 Unknown Trail from Morgans Springs to Lassen Butte Comment
  GH345078  Holodiscus microphyllus var. glabrescens A. Eastwood 1912-08-22 - 1912-08-26 1866 Unknown Trail from Morgans Springs to Lassen Butte Comment
  JEPS45107  Holodiscus microphyllus var. glabrescens W. L. Jepson 1929-9-29 15327 Shasta Lassen Peak 2834 Comment
  RSA201342  Holodiscus microphyllus var. glabrescens J. T. Howell 1960-8-19 36198 Shasta Summit ridge, Brokeoff Mtn. 2805 Comment
  CAS-BOT-BC150151  Holodiscus microphyllus var. microphyllus John Thomas Howell 1960-8-19 36198 Tehama Brokeoff Mt. 2804 Comment
  CAS-BOT-BC280887  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1960-8-18 36099 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CHSC61125  Hordeum brachyantherum subsp. brachyantherum Vernon H. Oswald; Lowell Ahart 1993-7-27 5711 Shasta Lassen Volcanic National Park. Blue Lake Canyon, 0.3 mi E of the park boundary, between the trail and the N Fork of Bailey Creek. On the edge of a meadow. 1950 Comment
  CHSC61448  Hordeum brachyantherum subsp. brachyantherum Vernon H. Oswald; Lowell Ahart 1993-8-18 5813 Tehama Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. Meadow at one of the headwaters of Canyon Creek. 2109 Comment
  GH427242  Hulsea nana J. G. Lemmon 1875-1-1 1689 Unknown Lassen's Peak Comment
  JEPS35359  Hulsea nana J. G. Lemmon 1878-9-1 Shasta Lassen Peak Comment
  JEPS35362  Hulsea nana J. G. Lemmon 1874-9-1 Shasta Lassen's Peak Comment
  UC1036259  Hulsea nana George W. Gillett 1952-8-18 207 Shasta Lassen Peak trail; Lassen Volcanic National Park 2895 Comment
  UC1036299  Hulsea nana George W. Gillett 1952-8-2 144 Shasta Summit area of Lassen Peak; Lassen Volcanic National Park 3139 Comment
  UC1036308  Hulsea nana George W. Gillett 1952-8-9 155 Shasta e shoulder Lassen Peak; Lassen Volcanic National Park Comment
  UC194122  Hulsea nana Lemmon Sep 1874 Shasta Lassen's Peak Comment
Read comments
May 29 2007
  UC90393  Hulsea nana Mrs. R. M. Austin 1896-7-1 584 Shasta Lassen Peak Comment
  UC904781  Hulsea nana W. Bridge Cooke 1949-8-22 25565 Shasta Summit trail; Mount Lassen Volcanic National Park Comment
  UCD67765  Hulsea nana Collector unknown 1996-9-8 Shasta Lassen Volcanic National Park. Perennial plant communities in rocky and dry slopes at Lassen Peak. 3020 Comment
  CHSC60360  Hydrophyllum occidentale Mary Ann Showers 1992-6-26 2589 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC1036267  Hydrophyllum occidentale George W. Gillett 1952-7-11 62 Shasta vicinity Sulphur Works (below buildings); Lassen Volcanic National Park 2133 Comment
  UC1036322  Hydrophyllum occidentale George W. Gillett 1952-8-11 181 Shasta 0.75 mi below Bumpas Hell (trail from Bumpas Hell to King's Creek); Lassen Volcanic National Park 2346 Comment
  JEPS813  Ipomopsis aggregata Joseph Grinnell 1925-7-27 Tehama Brokeoff Mtn Comment
  UC1036144  Ipomopsis congesta George Gillett 1952-9-1 244 Shasta summit area of Lassen Peak Lassen Volcanic National Park Comment
  UC1036219  Ipomopsis congesta George Gillett 1953-8-27 352 Shasta summit area of Lassen Peak Lassen Volcanic National Park Comment
  UC1036237  Ipomopsis congesta George Gillett 1952-8-16 189 Shasta summit area of Lassen Peak, near Lassen Peak Trail Lassen Volcanic National Park Comment
  UC1061688  Ipomopsis congesta George Gillett 1952-8-9 153 Shasta ca 0.33 mi e summit of Lassen Peak (e shoulder of the peak); Lassen Volcanic National Monument 2956 Comment
  UC604405  Ipomopsis congesta Herbert McLean Evans 1922-1 Shasta Lassen Peak Sierra Nevada Comment
  JEPS3760  Ipomopsis congesta subsp. montana George Gillett 1952-8-9 153 Shasta ca 1/3 mi e summit of Lassen Peak (e shoulder of the peak); Lassen Volcanic National Monument 2895 Comment
  JEPS69744 Image available Ipomopsis congesta subsp. montana John G. Lemmon 1873-9-1 1203 Shasta Lassen Peak Comment
  UC463061  Isoetes bolanderi E. B. Copeland 1931-8-17 Shasta Emerald Lake; Mt Lassen 2468 Comment
  UC1149878  Juncus balticus Harold and Virginia Bailey 1948-8-28 3063 c Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  UC54235  Juncus balticus H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4309 Shasta Mill Creek Mount Lassen 2438 Comment
  CHSC117583  Juncus bufonius var. bufonius Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21361 Tehama Road gutter, wet area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127113  Juncus bufonius var. bufonius Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21361 Tehama About 50 yards south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  CHSC60455  Juncus drummondii Mary Ann Showers 1992-6-28 2674 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  POM213967  Juncus drummondii H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. Above West Sulphur Creek. 2000 Comment
  UC591539  Juncus drummondii H. F. Copeland 1935-7-29 Shasta Emerald Lake Mt. Lassen 2400 Comment
  CHSC60456  Juncus ensifolius Mary Ann Showers 1992-6-26 2597 b Tehama Lassen Volcanic National Park. At edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC46602  Juncus mertensianus Vernon H. Oswald 1989-7-24 3888 Shasta Crumbaugh Lake, Lassen Volcanic Park. 2194 Comment
  UC842673  Juncus mertensianus E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  CHSC60460  Juncus nevadensis Mary Ann Showers 1992-6-26 2596 b Tehama Lassen Volcanic National Park. At edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC1149773  Juncus nevadensis Harold and Virginia Bailey 1948-8-28 3065 Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  UCD141621  Juncus nevadensis John Thomas Howell 1960-8-19 36127 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2346 Comment
  CHSC59148  Juncus occidentalis Vernon H. Oswald 1992-8-19 5166 Tehama Lassen Volcanic National Park. Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy., ca. 0.5 mi NW of the Southwest Entrance Station. In a drainage crossing the trail. 2194 Comment
  SEINET3440034 Image available Juncus occidentalis Marcus E. Jones 1897-7-7 Shasta Lassen's Peak 1829 Comment
  SEINET3440035 Image available Juncus occidentalis Marcus E. Jones 1897-7-7 Shasta Lassen's Peak 1829 Comment
  JEPS28725  Juncus parryi George W. Gillett 1957-8-8 983 Shasta above Hemlock Flat (beyond first switchback, lower se slopes of Lassen Peak); Lassen Volcanic National Park, Lassen Peak 2651 Comment
  JEPS28783  Juncus parryi George W. Gillett 1957-8-17 1082 Shasta above Lake Helen; Lassen Volcanic National Park, Helen Mountain 2590 Comment
  RSA368304  Juncus parryi H. F. Copeland 1931-8-9 s.n. Shasta Mt. Lassen, near timberline. 2591 Comment
  UCD67753  Juncus parryi D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-7 s.n. Shasta Lassen Volcanic National Park. 2500 Comment
  CAS-BOT-BC85335  Juniperus occidentalis H. E. Brown 1897-8-1 503 Plumas Near Lassen Buttes 1828 Comment
  SD7771  Kalmia glauca Mrs. R. M. Austin 1879-1 Shasta Lassen Peak. Comment
  GH362741  Kalmia microphylla Mrs. R. M. Austin 1879-1-1 Unknown Mt. Lassen Comment
  GH362747  Kalmia microphylla B. B. Brues 1927-8-3 Unknown Lassen Park, near Lake Helen 2590 Comment
  GH362748  Kalmia microphylla B. B. Brues 1927-8-3 Unknown Lassen Park, on rocky ridge between Lake Helen and volcano cone 2651 Comment
  CAS-BOT-BC56343  Kalmia microphylla subsp. microphylla John Thomas Howell 1960-8-23 36432 Shasta Emerald Lake 2468 Comment
  CAS-BOT-BC56346  Kalmia microphylla subsp. microphylla Alice Eastwood 1912-8-22 1860 Shasta Lassen Butte region Comment
  CAS-BOT-BC56349  Kalmia microphylla subsp. microphylla Hans Leschke 1959-8-10 1663 Shasta Soda Lake 2385 Comment
  UCD117473  Kalmia polifolia Beecher Crampton 1964-8-26 7171 Shasta Lassen Volcanic National Park head of Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  JEPS66619  Kalmia polifolia subsp. microphylla J. Grinnell 1925-8-1 Shasta Mount Lassen, Lassen Peak, trail to summit Lassen Peak; Mount Lassen, Lassen Peak 2743 Comment
  RSA659532  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-6-29 2941 Shasta Cascade Range: Lassen Park, Emerald Lake, west side of lake, trail to Bumpass Hell. 2466 Comment
  RSA69258  Kalmia polifolia subsp. microphylla F. W. Peirson 1926-6-23 6935 Shasta Trail to summit of Lassen Peak, Lassen National Park. Comment
  UC1714324  Kalmia polifolia subsp. microphylla R. M. A. Aug. 1896 494 Shasta Lassens Peak Comment
  UC54429  Kalmia polifolia subsp. microphylla H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4302 Shasta Mount Lassen, Head of Mill Creek Mill Creek; Mount Lassen, Mill Creek 2499 Comment
  CHSC117622  Lactuca serriola Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21371 Tehama On the north side of a poor dirt road,about 10 yards east of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC59190  Landoltia punctata Vernon H. Oswald 1992-9-9 5202 Tehama Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (mostly southerly) point, on the S side of Diamond Peak and Lassen Hwy. Along the edge of a streamlet. 2042 Comment
  POM76843  Ledum glandulosum Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  RSA125723  Ledum glandulosum George W. Gillett 1952-7-20 86 Shasta Vicinity of Sulphur Works. Above high way adjacent to hot springs. 2134 Comment
  UC1036272  Ledum glandulosum George W. Gillett 1952-7-20 86 Shasta above highway adjacent to Hot Springs (vicinity of Sulphur Works, Lassen Volcanic National Park); Lassen Volcanic National Park 2133 Comment
  UC1543714  Ledum glandulosum Harold and Virginia Bailey 1948-8-28 3061 a Tehama Lassen Volcanic National Park, Sulphur Works Sulphur Works; Lassen Volcanic National Park, Sulphur Works 2133 Comment
  CHSC59189  Lemna turionifera Vernon H. Oswald 1992-9-9 5206 Tehama Lassen Volcanic National Park. Ca. 0.2 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. In a streamlet in a meadow. 2011 Comment
  CHSC57800  Lepidium heterophyllum Vernon H. Oswald 1991-10-3 4880 Tehama Lassen Volcanic Park. Parking lot at Lassen Chalet. Near the Chalet between the curb and a low shed on the northeast edge of the parking lot. 2042 Comment
  JEPS28743  Leptodactylon pungens George W. Gillett 1957-8-10 1025 Shasta saddle between Ski Heil and Pilot Pinnacle; Lassen Volcanic National Park, btw Ski Heil and Pilot Pinnac 2636 Comment
  CHSC61109  Leptosiphon ciliatus Vernon H. Oswald; Lowell Ahart 1993-7-27 5713 Shasta Lassen Volcanic National Park. Blue Lake Canyon, 0.3 mi E of the park boundary, between the trail and the N Fork of Bailey Creek. On the margin of a meadow. 1950 Comment
  CHSC60373  Leptosiphon harknessii Mary Ann Showers 1992-6-26 2563 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  JEPS6305  Lesquerella occidentalis subsp. occidentalis W. L. Jepson 1910-6-8 4093 Shasta Lassen Peak 2895 Comment
  JEPS6306  Lesquerella occidentalis subsp. occidentalis Chesnut and Drew 1891-1 Shasta Lassen Peak Comment
  UC1036148  Lesquerella occidentalis subsp. occidentalis George W. Gillett 1953-8-6 314 Shasta summit area of Lassen Peak; Lassen Volcanic National Park, summit area of Lassen Peak 2804 Comment
  UC1036213  Lesquerella occidentalis subsp. occidentalis George W. Gillett 1953-8-27 354 Shasta se ridge near trail summit area of Lassen Peak (summit area of Lassen Peak, Lassen Volcanic National Park); Lassen Volcanic National Park, summit Lassen Peak 2941 Comment
  UC117235  Lesquerella occidentalis subsp. occidentalis Mrs. R. M. Austin 1882-8-16 Shasta Lassen's Peak 3048 Comment
  UC397403  Lesquerella occidentalis subsp. occidentalis unknown 1922-1 Shasta Lassen Peak; Sierra Nevada, Lassen Peak 2743 Comment
  UC604409  Lesquerella occidentalis subsp. occidentalis unknown 1922-1 Shasta Lassen Peak; Sierra Nevada, Lassen Peak 2743 Comment
  CHSC59079  Leucanthemum vulgare Vernon H. Oswald 1992-8-19 5157 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.2 mi N of the S boundary of the park. Along the E edge of the road. 2011 Comment
  JEPS43206  Lewisia triphylla W. L. Jepson 1910-6-8 4098 Shasta near Hot Springs Valley (Lassen Peak); Lassen Peak 1828 Comment
  UC1543707  Lewisia triphylla Harold and Virginia Bailey 1948-8-27 2955 b Shasta below Emerald Lake (Loop Highway at water fountain); Lassen Volcanic National Park 2438 Comment
  UC54454  Lewisia triphylla H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4316 Shasta near Soupan Springs; Mount Lassen 2286 Comment
  CHSC45351  Linanthus pungens Vernon Oswald 1986-7-24 2229 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2682 Comment
  UC1036328  Linum lewisii George W. Gillett 1952-8-17 198 Shasta on Little Hot Springs Balley Grade 2 mi below origin of Bumpas Hell Trail (Lassen Volcanic National Park, Lassen Peak Highway, on Brokeoff andesite, near drinking fountain); Lassen Volcanic National Park, Little Hot Springs Balley Gra 2286 Comment
  JEPS45754  Linum lewisii subsp. lewisii Jos. Grinnell 1925-8-1 Shasta on trail to Mt. Lassen (Lassen Peak) (se Shasta County) 2590 Comment
  CHSC61430  Linum lewisii var. lewisii Vernon H. Oswald; Lowell Ahart 1993-8-18 5832 Lassen Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. Common in loose rock approaching the highest point on the ridge from the north. 2484 Comment
  CHSC61988  Linum lewisii var. lewisii Vernon H. Oswald 1993-9-7 5930 Shasta Lassen Volcanic National Park. N side of Little Hot Springs Valley, W of Lassen Hwy. (Hwy.89). Locally common on an open rocky slope bordering the valley. 2468 Comment
  CHSC61121  Listera convallarioides Vernon H. Oswald; Lowell Ahart 1993-7-27 5708 Shasta Blue Lake Canyon, 0.3 mi E of the park boundary, between the trail and the N Fork of Bailey Creek. Lassen Volcanic National Park. 1950 Comment
  UC335401  Listera convallarioides Lemmon Shasta near Lassen's Peak Comment
  JEPS3333  Lithophragma glabrum George Gillett 1952-7-27 108 Shasta along main road through Lassen Volcanic National Park about 2 mi above Sulphur Works (slopes of Little Hot Springs Valley); Lassen Volcanic National Park, Little Hot Springs Valley 2164 Comment
  A422769  Lonicera conjugialis A. Eastwood 1912-08-22 - 1912-08-26 1823 Unknown trail from Morgans Springs to Lassen Butte Comment
  GH422807  Lonicera conjugialis A. Eastwood 1912-08-22 - 1912-08-26 1823 Unknown trail from Morgans Springs to Lassen Butte Comment
  GH422814  Lonicera conjugialis Mrs. R. M. Austin 1879-07-01 - 1879-08-01 Unknown Lassen Peak Comment
  POM68323  Lonicera conjugialis Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  UC80950  Lotus nevadensis var. nevadensis R. M. Austin Jul 1896 460 Plumas Lassens Peak Comment
  CHSC59185  Ludwigia palustris Vernon H. Oswald 1992-9-9 5203 Tehama Lassen Volcanic National Park. Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. 2042 Comment
  UC1543832  Lupinus Harold and Virginia Bailey 1948-8-27 2941 Shasta Lassen Peak Trail; Lassen Volcanic National Park, Lassen Peak Trail 2590 Comment
  UC1543833  Lupinus Harold and Virginia Bailey 1948-8-27 2947 a Shasta ridge overlooking Lake Helen (along trail from Lassen Peak parking area); Lassen Volcanic National Park, ridge overlooking Lake Helen 2590 Comment
  UC1543837  Lupinus Harold and Virginia Bailey 1948-8-27 3048 Shasta Loop Highway at water fountain below Emerald Lake; Lassen Volcanic National Park, below Emerald Lake 2438 Comment
  UC604413  Lupinus unknown 1922-1 Shasta Lassen Peak 2743 Comment
  UC82284  Lupinus albifrons var. collinus R. N. A. July 1894 462 Plumas Lassens Peak Comment
  UC82164  Lupinus angustiflorus Mrs. R. M. Austin 1882-8-9 Shasta Lassens Peak 2438 Comment
  JEPS99275  Lupinus arbustus Clare B. Hardham 1961-6-16 7464 Plumas Diamond Peak Sierra Nevada Mountains Comment
  SBBG3537  Lupinus arbustus H. and M. Dearing 1939-6-12 3638 Shasta Mineral Entrance near Lassen Nat Park 1828 Comment
  UC865451  Lupinus arbustus Alice Eastwood Aug 22 1912-Aug 26 1912 1804 Shasta Lassen Butte Region Comment
  SEINET2062869 Image available Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou West sope of ridge of Red Rock Mountain. 2194 Comment
  CHSC61425  Lupinus obtusilobus Vernon H. Oswald; Lowell Ahart 1993-8-18 5836 Tehama Lassen Volcanic National Park. Summit of Mt. Conard near the S boundary of the park. 2490 Comment
  HSC39308  Lupinus obtusilobus Thomas W. Nelson, Jane P. Nelson 1976-8-1 3121 Shasta Lassen Volcanic National Park, just N of trail head to Lassen Peak along main road Comment
  POM219277  Lupinus obtusilobus H. F. Copeland 1931-8-9 s.n. Shasta Mt Lassen. Comment
  RSA31843  Lupinus obtusilobus A. A. Heller 1941-8-16 16295 Shasta Above the Bumpas Hell parking space. 2439 Comment
  RSA87471  Lupinus obtusilobus F. W. Peirson 1926-6-23 6845 Shasta Trail to summit of Lassen Peak, Lassen National Park. Comment
  UC137950  Lupinus obtusilobus Mrs. R. M. Austin 1882-8-10 Shasta Lassens Peak 2743 Comment
  UC15982  Lupinus obtusilobus W. H. Brewer 1863-8-28 2180 Shasta Lassen's Peak 3048 Comment
  UC16073  Lupinus obtusilobus Prof. Brewer 1860-1 2180 Shasta Lassen Peak Comment
  UC444988  Lupinus obtusilobus E. B. Copeland Aug., 1930 Shasta Mt. Lassen; open cone Mt. Lassen 2700 Comment
  UC624912  Lupinus obtusilobus Fred H. Schumacher 1934-9-3 Shasta sw slope Lassen Peak; sw slope of Lassen Peak Comment
Read comments
May 29 2007
  UC727041  Lupinus obtusilobus A. A. Heller 1941-8-16 16295 Shasta gravelly ridge above Bumpas Hell parking space; Bumpas Hell 2438 Comment
  UC764773  Lupinus obtusilobus R. F. Hoover 1940-9-21 4610 Shasta se flank Lassen Peak; se flank of Lassen Peak Comment
  UCD109313  Lupinus obtusilobus D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park. At Lassen Peak. 2600 Comment
  CHSC54501  Luzula comosa var. laxa Vernon H. Oswald 1991-7-22 4759 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.2 mile east of the park boundary, ca. 3.25 miles (air) west-southwest of Lassen Peak. On the north side of the North Fork of Bailey Creek. 1962 Comment
  JEPS28791  Luzula comosa var. laxa George W. Gillett 1957-8-18 1095 Tehama Brokeoff Mountain. Lower portion of the Brokeoff Trail, about 1/4 mile above the Sulphur Works Checking Station 2103 Comment
  CHSC49633  Luzula divaricata Vernon Oswald 1986-7-28 2241 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2499 Comment
  CHSC60464  Luzula divaricata Mary Ann Showers 1992-6-28 2672 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  CHSC60465  Luzula divaricata Mary Ann Showers 1992-6-28 2690 Shasta Lassen Volcanic National Park. Below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2468 Comment
  CHSC61119  Luzula divaricata Vernon H. Oswald; Lowell Ahart 1993-7-27 5724 Shasta Lassen Volcanic National Park. Slope SE of the lower lake in Blue Lake Canyon. On the cliffs SE of the lake. 2133 Comment
  CHSC65439  Luzula divaricata Vernon H. Oswald 1991-8-16 4826 Shasta Lassen Volcanic Park. On the east shore of Emerald Lake. 2462 Comment
  CHSC65440  Luzula divaricata Vernon H. Oswald 1991-8-16 4826 Shasta Lassen Volcanic Park. On the east shore of Emerald Lake. 2462 Comment
  JEPS28726  Luzula divaricata George W. Gillett 1957-8-8 984 Shasta beyond first switchback above the Hemlock Flat (lower se slopes of Lassen Peak); Lassen Volcanic National Park, se slopes Lassen Peak 2651 Comment
  POM213968  Luzula divaricata H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. 2400 Comment
  POM219148  Luzula divaricata H. F. Copeland 1931-8-9 s.n. Shasta Mt Lassen, Shasta County Comment
  UC1149922  Luzula divaricata Harold and Virginia Bailey 1948-8-27 2950 c Shasta along trail from Lassen Peak parking area (ridge overlooking Lake Helen); Lassen Volcanic National Park, overlooking Lake Helen 2590 Comment
  CHSC60466  Luzula subcongesta Mary Ann Showers 1992-6-28 2689 Shasta Lassen Volcanic National Park. Below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2468 Comment
  JEPS28786  Luzula subcongesta George W. Gillett 1957-8-17 1088 Shasta margin of lake along s shore Emerald Lake; Lassen Volcanic National Park, s shore Emerald Lake 2468 Comment
  CHSC59183  Lythrum hyssopifolia Vernon H. Oswald 1992-9-29 5219 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  CHSC60323  Madia glomerata Mary Ann Showers 1992-6-28 2640 Shasta Lassen Volcanic National Park. Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  CHSC61406  Madia glomerata Vernon H. Oswald; Lowell Ahart 1993-8-18 5849 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2115 Comment
  JEPS29557  Madia glomerata Hans Leschke 1960-9-8 1804 Shasta Little Hot Springs Valley Lassen Volcanic National Park 2225 Comment
  JEPS3341  Madia glomerata George Gillett 1952-8-24 219 Shasta in area back of store Sulphur Works; Lassen Volcanic National Park 2118 Comment
  UC249265  Madia glomerata H. E. Brown Aug. 1-15, 1897 619 Plumas near Lassen Buttes 1828 Comment
  SEINET4173699 Image available Madronella pallida A. A. Heller 1937-7-21 15931 Tehama Lassen Volcanic National Park; near the Sulphur Works entrance Comment
  CHSC59169  Matricaria discoidea Vernon H. Oswald 1992-9-9 5198 Tehama Hwy. 89 between Bluff Falls and the south boundary of Lassen Volcanic National Park, 0.5 mi S of the latter. Roadside. 1981 Comment
  CHSC61449  Melica aristata Vernon H. Oswald; Lowell Ahart 1993-8-18 5847 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2164 Comment
  CAS-BOT-BC271121  Melica bulbosa Hans Leschke 1961-8-18 1828 Shasta Summit area of Diamond Peak, Lassen Volcanic National Park 2423 Comment
  CHSC61126  Melica bulbosa Vernon H. Oswald; Lowell Ahart 1993-7-27 5721 Shasta Lassen Volcanic National Park. E side of the drainages above (south of) the lower lake in Blue Lake Canyon. 2148 Comment
  CHSC62022  Melica bulbosa Vernon H. Oswald; Lowell Ahart 1993-9-15 5934 Shasta Lassen Volcanic National Park. Trail from Bumpass Hell to Cold Boiling Lake, ca. 0.4 mi S of Bumpass Hell. 2438 Comment
  CHSC61450  Melica fugax Vernon H. Oswald; Lowell Ahart 1993-8-18 5848 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2133 Comment
  CHSC61451  Melica stricta Vernon H. Oswald; Lowell Ahart 1993-8-18 5841 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Just below (W of) the summit ridge and S of the highest point on the ridge. 2490 Comment
  CHSC61983  Melilotus albus Vernon H. Oswald 1993-9-7 5923 Tehama Bluff Falls on Hwy. 89, ca. 0.75 mi S of Lassen Volcanic National Park. 1965 Comment
  CHSC59182  Melilotus indicus Vernon H. Oswald 1992-9-29 5223 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  CHSC60365  Mentzelia dispersa Mary Ann Showers 1992-6-26 2584 Tehama Lassen Volcanic National Park. Rocky talus slopes and ecotone to mixed conifer forest, canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC22847  Menyanthes trifoliata unknown 1863-9-24 2173 Shasta near Lassen Peak Comment
  CHSC61439  Micranthes aprica Vernon H. Oswald 1993-8-18 5824 Tehama Lassen Volcanic National Park. E slope of Mt. Conard just below the summit ridge, near the S boundary of the park. 2414 Comment
  CAS-BOT-BC428596  Micranthes bryophora Alice Eastwood 1912-8-22 1824 Unknown Lassen Butte Comment
  CAS-BOT-BC428606  Micranthes bryophora Mrs. R. M. Austin 1882-8-1 s.n. Shasta Lassen's Peak Comment
  CAS-BOT-BC428685  Micranthes bryophora John Thomas Howell 1960-8-19 36113 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2133 Comment
  CHSC48905  Micranthes bryophora Vernon Oswald 1986-8-4 2262 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2103 Comment
  CHSC54533  Micranthes bryophora Vernon H. Oswald 1991-8-16 4827 Shasta Lassen Volcanic National Park. Southeast side of Lassen Hwy between Emerald Lake and the Picnic Area to the south. 2453 Comment
  LA209003  Micranthes nidifica F. J. Hermann; 1931-6-22 Shasta Bumpass Mountain, Above Bumpass Hell trail 2346 Comment
  CAS-BOT-BC429075  Micranthes odontoloma Mrs. C. C. Bruce 1898-7-1 2409 Butte Lassen peaks Comment
  CAS-BOT-BC429095  Micranthes odontoloma John Thomas Howell 1960-8-18 36081 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC429096  Micranthes odontoloma John Thomas Howell 1960-8-19 36128 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2346 Comment
  CAS-BOT-BC429097  Micranthes odontoloma Milo S. Baker 1926-8-21 294 - '26 Tehama Near Sulphur Springs - 9 1/2 mi. from Mineral 2072 Comment
  LA83731  Micranthes odontoloma O. H. Kappler; 1946-7-21 Tehama Lassen National Park, Bluff Falls area 1920 Comment
  SD8330  Micranthes odontoloma Mrs. R. M. Austin 1879-1 Lassen Lassen Peak Comment
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Apr 29 2013
  CAS-BOT-BC429299  Micranthes tolmiei George W. Gillett 1957-8-8 985 Shasta Lassen Volcanic National Park. Lower south-east slopes of Lassen Peak, beyond first switchback above the Hemlock Flat. 2651 Comment
  CAS-BOT-BC429300  Micranthes tolmiei Lewis S. Rose 1945-9-4 45242 Shasta Lassen Volcanic National Park. Summit Lassen Peak Highway 2590 Comment
  CAS-BOT-BC432852  Micranthes tolmiei Herbert F. Copeland 1931-8-9 s.n. Shasta Mt. Lassen 2438 Comment
  CHSC48909  Micranthes tolmiei Vernon Oswald 1986-8-20 2288 Shasta East side of Lake Helen, Lassen Volcanic National Park. 2499 Comment
  CHSC60411  Micranthes tolmiei Mary Ann Showers 1992-6-28 2671 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  UC133323  Micropus californicus var. californicus Mrs. R. M. Austin Aug 1896 Shasta Lassen's Peak Comment
  CAS-BOT-BC349349  Microseris nutans Clare B. Hardham 1961-6-16 7471 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CAS-BOT-BC349351  Microseris nutans Clare B. Hardham 1961-6-16 7471 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CHSC60315  Microseris nutans Mary Ann Showers 1992-6-28 2634 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  CHSC61086  Microseris nutans Vernon H. Oswald; Lowell Ahart 1993-7-27 5720 Shasta Lassen Volcanic National Park. E side of the drainages above (south of) the lower lake in Blue Lake Canyon. 2133 Comment
  JEPS3731  Microseris nutans George Gillett 1952-8-17 195 Shasta two mi below sign indicating trail to Bumpas Hell (along main highway through Lassen Volcanic National Park); Lassen Volcanic National Park Comment
  JEPS10541  Mimulus breweri W. L. Jepson 1927-6-22 12293 a Shasta ridge n Hot Springs Valley 1828 Comment
  JEPS3306  Mimulus breweri George Gillett 1952-8-11 180 Shasta 3/4 mi below Bumpas Hell (on Kings Creek trail); Lassen Volcanic National Park 2316 Comment
  UC1543760  Mimulus breweri Harold and Virginia Bailey 1948-8-28 3068 a Tehama below Ski Hut (Sulphur Creek campground); Lassen Volcanic National Park 2011 Comment
  UC1543761  Mimulus breweri Harold and Virginia Bailey 1948-8-27 2955 a Shasta below Emerald Lake (Loop Highway); Lassen Volcanic National Park 2438 Comment
  UC54636  Mimulus breweri H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4323 Shasta s side Mount Lassen (Park's Ranch) 2133 Comment
  UC600975  Mimulus breweri Mrs. H. P. Bracelin 1932-7-23 668 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  GH78744  Mimulus dentatus var. gracilis Mrs. R. M. Austin 1882-1-1 Unknown Lassen's Peak Comment
  UC1036280  Mimulus guttatus George W. Gillett 1952-7-27 105 Shasta near hot springs (above hwy); Lassen Volcanic National Park, vicinity of Sulphur Works 2133 Comment
  JEPS8078  Mimulus layneae Victor K. Chesnut and Elmer Drew 1891-7 Shasta Lassen Peak Comment
  UC886258  Mimulus lewisii E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park Comment
  UC699728  Mimulus moniliformis Farris Farris 1936-7-19 Shasta base Mount Lassen 2438 Comment
  JEPS3317  Mimulus nanus var. jepsonii George Gillett 1952-8-11 175 Shasta 1/2 mi below Bumpas Hell (on trail to Kings Creek); Lassen Volcanic National Park 2377 Comment
  JEPS10999  Mimulus primuloides Chesnut and Drew 1891-1 Shasta Lassen Peak Northern Sierra Comment
  UC1185293  Mimulus primuloides H. E. Brown Aug 1 1897-Aug 15 1897 603 Plumas near Lassen Buttes 1828 Comment
  UC600974  Mimulus primuloides Mrs. H. P. Bracelin 1932-7-23 666 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  UC725741  Mimulus primuloides A. A. Heller 1942-8-3 16516 Shasta on the left side fo the road going toward Devastated Area; Lassen Volcanic National Park Comment
  UC600973  Mimulus torreyi Mrs. H. P. Bracelin 1932-7-23 667 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  GH404142  Minuartia nuttallii J. G. Lemmon 1875-1-1 970 Unknown Lassen's Peak Comment
  CHSC48257  Minuartia nuttallii subsp. gracilis Vernon Oswald 1986-7-24 2236 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  CHSC61416  Minuartia nuttallii subsp. gracilis Vernon H. Oswald; Lowell Ahart 1993-8-18 5834 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. 2490 Comment
  GH376650  Minuartia nuttallii subsp. gracilis Mrs. R. M. Austin 1879-07-01 - 1879-08-01 Unknown Lassen's Peak Comment
  UC1036212  Minuartia nuttallii subsp. gregaria George W. Gillett 1953-8-27 355 Shasta Lassen Peak Lassen Volcanic National Park (summit area, se ridge near trail) 2941 Comment
  UC1036300  Minuartia nuttallii subsp. gregaria George W. Gillett 1952-8-2 145 Shasta Lassen Peak Lassen Volcanic National Park (summit area) 3169 Comment
  UC1204757  Minuartia nuttallii subsp. gregaria H. M. Evans July 1922 Shasta Lassen Peak Mount Lassen National Park Comment
  UC135635  Minuartia nuttallii subsp. gregaria Mrs. R. M. Austin 1882-8-10 Shasta Lassens Peak 3048 Comment
  UC604401  Minuartia nuttallii subsp. gregaria Herbert McLean Evans 1922-1 Shasta Lassen Peak 2743 Comment
  SJSU4241  Minuartia nuttallii var. gracilis C. W. Sharsmith 1968-6-22 7586 Shasta W slope Lassen Peak, Lassen Volcanic National Park 2895 Comment
  UCD98300  Minuartia nuttallii var. gracilis Amelie C. Blyth 1950-7-16 s.n. Shasta on south side of Lassen Peak. Comment
  CAS-BOT-BC181120  Minuartia nuttallii var. nuttallii John Thomas Howell 1960-8-19 36201 Tehama Summit ridge, Brokeoff Mt. - Lassen Volcanic National Park 2804 Comment
  NY758254  Mitella pentandra M. E. Jones 1897-7-7 s.n. Unknown Lassen's Peak 1829 Comment
  CAS-BOT-BC222060  Monardella odoratissima subsp. pallida A. A. Heller 1937-7-21 15931 Tehama Near the Sulphur Works entrance to Lassen Volcanic National Park Comment
  CAS-BOT-BC222122  Monardella odoratissima subsp. pallida M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  UC1543858  Monardella odoratissima subsp. pallida Harold and Virginia Bailey 1948-8-27 3056 Tehama Lassen Volcanic National Park, Loop Highway overlooking Sulphur Creek, below Sulphur Works 2072 Comment
  UC725825  Monardella odoratissima subsp. pallida A. A. Heller 1937-7-21 15931 Tehama Near Sulphur Works entrance; Lassen Volcanic National Park Comment
  UC883629  Monardella odoratissima subsp. pallida E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  UCD125223  Monardella odoratissima subsp. pallida John Thomas Howell 1960-8-19 36200 Tehama Brokeoff Mountain, summit ridge. 2804 Comment
  CAS-BOT-BC444739  Montia chamissoi H. E. Brown 1897-8-1 5632 Plumas Near Lassen Buttes 1828 Comment
  CHSC60390  Montia fontana subsp. amporitana Mary Ann Showers 1992-6-26 2598 b Tehama Lassen Volcanic National Park. Moist soil at edge of right bank of Sulphur Creek east of Sulphur Works Entrance station. 1828 Comment
  UC1543807  Muhlenbergia filiformis Harold and Virginia Bailey 1948-8-28 3070 d Shasta near Sulphur Creek Campground; Lassen Volcanic National Park 2011 Comment
  GH355821  Muhlenbergia jonesii Mrs. R. M. Austin 1879-07-01 - 1879-08-01 Unknown Lassens Peak Comment
Read comments
Dec 18 2015
  JEPS1367  Nama lobbii Chesnut and Drew 1891-1 20 Shasta Lassen Peak Comment
  RSA201319  Nama lobbii J. T. Howell 1960-8-21 36306 Tehama Near Sulphur works entrance 1997 Comment
  RSA32748  Nama lobbii A. A. Heller 1937-7-21 15930 Shasta Near the Sulphur Works entrance to Lassen Volcanic National Park Comment
  UC726889  Nama lobbii A. A. Heller 1937-7-21 15930 Tehama near the Sulphur Works entrance to Lassen Volcanic National Park Sulphur Works entrance to Lassen Volcanic National Park; nr entrance Lassen Volcanic National Park Comment
  UC1543863  Navarretia capillaris Harold and Virginia Bailey 1948-8-28 3069 a Tehama near Sulphur Creek Campground (in meadow below Ski Hut, Lassen Volcanic National Park); Lassen Volcanic National Park, nr Sulphur Creek Campgrnd 2011 Comment
  CHSC60374  Navarretia divaricata Mary Ann Showers 1992-6-26 2562 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  JEPS28788  Navarretia divaricata George W. Gillett 1957-8-18 1093 Tehama about 0.25 mi above Sulphur Works Checking Station (lower portion of the Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  CHSC61433  Navarretia divaricata subsp. divaricata Vernon H. Oswald; Lowell Ahart 1993-8-18 5845 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. On the edge of a meadow draining into Canyon Creek. 2200 Comment
  UC1543725  Navarretia divaricata subsp. divaricata Harold and Virginia Bailey 1948-8-28 3069 b Tehama near Sulphur Creek Campground (in meadow below ski hut); Lassen Volcanic Park 2011 Comment
  CAS-BOT-BC349977  Oreostemma alpigenum var. andersonii George W. Gillett 1957-8-17 1086 Shasta Lassen Volcanic National Park. Emerald Lake 2468 Comment
  CAS-BOT-BC349979  Oreostemma alpigenum var. andersonii John Thomas Howell 1960-8-18 36072 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC350040  Oreostemma alpigenum var. andersonii M. S. Jussel 1931-9-7 s.n. Lassen Bumpas Hell Trail, Mt. Lassen 2133 Comment
  CAS-BOT-BC350043  Oreostemma alpigenum var. andersonii Alice Eastwood 1912-8-22 1845 Lassen Foot of Lassen Butte, Lassen Butte Region Comment
  CAS-BOT-BC350044  Oreostemma alpigenum var. andersonii Alice Eastwood 1912-8-22 1905 Lassen Battle Creek Meadow, Lassen Butte Region Comment
  CAS-BOT-BC350045  Oreostemma alpigenum var. andersonii Alice Eastwood 1912-8-22 1899 Lassen Battle Creek Meadow, Lassen Butte Region Comment
  JEPS28785  Oreostemma alpigenum var. andersonii George W. Gillett 1957-8-17 1086 Shasta Emerald Lake Lassen Volcanic National Park 2468 Comment
  JEPS31993  Oreostemma alpigenum var. andersonii Chesnut and Drew Shasta Lassen Peak Comment
  OBI55518  Oreostemma alpigenum var. andersonii David J. Keil, Kathleen Keil 1992-7-25 23591 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  SEINET2442115  Oreostemma alpigenum var. andersonii David Keil, Kathleen Keil 1992-7-25 23591 Tehama Lassen National Forest along Highway 89. 0.8 miles S of Lassen Volcanic National Park southern boundary. Lodgepole pine-red fir forest with meadows. Comment
  UC1037281  Oreostemma alpigenum var. andersonii Leo Whitney 1934-9-16 1718 Lassen Bumpass Hell Lassen National Park 2529 Comment
  UC1945182  Oreostemma alpigenum var. andersonii David Keil with Kathleen Keil 1992-7-25 23591 Tehama Lassen National Forest along Hwy 89. 0.8 mi S of Lassen Volcanic National Park southern boundary. Comment
  UC86922  Oreostemma alpigenum var. andersonii R. M. Austin 1896-8-1 795 Shasta Lassen Peak Comment
  JEPS28792  Orobanche fasciculata George W. Gillett 1957-8-18 1107 Tehama Lassen Volcanic National Park. Brokeoff Mountain. Upper portion of Brokeoff Mounain Trail. Comment
  CHSC52841  Orthocarpus cuspidatus subsp. cryptanthus George Gillet 1952-8-17 193 Shasta Lassen Volcanic National Park. Near Highway No. 89, 2.0 mi. below sign marking trail to Bumpus Hell. Comment
  CHSC59186  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald 1992-9-9 5201 Tehama Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southernly) point, on the S side of Diamond Peak and lassen Hwy. 2042 Comment
  CHSC95176  Orthocarpus cuspidatus subsp. cryptanthus R. D. Fischer 2005-8-21 814 Tehama Cascade Range high, Lassen National Volcanic Park. Plant found along trail to Mill Creek Falls, out of lower campground. 1950 Comment
  JEPS3311  Orthocarpus cuspidatus subsp. cryptanthus George Gillett 1952-8-17 193 Shasta slope near State Highway 89, 2.0 mi below sign marking trail to Bumpas Hell (Lassen Volcanic National Park); , below sign Bumpas Hell Comment
  UC1036313  Orthocarpus cuspidatus subsp. cryptanthus George W. Gillett 1952-8-10 163 Shasta Lassen Peak Highway Emerald Lake (Lassen Volcanic National Park); , Emerald Lake 2346 Comment
  CHSC60294  Osmorhiza occidentalis Mary Ann Showers 1992-6-26 2578 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC45373  Oxyria digyna Vernon Oswald 1986-8-11 2281 Shasta Lassen Peak Trail near timberline. Common in crevices in rock outcrops. 3002 Comment
  CHSC60383  Oxyria digyna Mary Ann Showers 1992-6-28 2702 Shasta Lassen Volcanic National Park. Andesite cliffs west of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  JEPS28728  Oxyria digyna George W. Gillett 1957-8-8 987 Shasta lower se slopes Lassen Peak (beyond first switchback above the Hemlock Flat); Lassen Volcanic National Park, se slopes Lassen Peak 2651 Comment
  SD7889  Oxyria digyna Mrs. R. M. Austin 1879-1 Lassen Lassen Peak Comment
  UC1036311  Oxyria digyna George W. Gillett 1952-8-9 160 Shasta n face of e shoulder Lassen Peak (Lassen Volcanic National Park); , e shoulder Lassen Peak 2651 Comment
  UC465841  Oxyria digyna Mrs. R. M. Austin 1882-8-10 Shasta Lassens Peak 3139 Comment
  UC849838  Oxyria digyna E. G. Anderson 1935-8-28 Shasta Crescent Cliffs; Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  UCD98985  Oxyria digyna D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park. At Lassen Peak Crater. At Lassen Peak. 3180 Comment
  UC91319  Packera indecora Mrs. R. M. Austin 1896-7-1 365 Shasta Lassen Peak Comment
  CHSC49536  Panicum acuminatum var. acuminatum Vernon Oswald 1986-8-20 2284 Tehama Sulphur Works, Lassen Volcanic National Park. 2121 Comment
  CHSC60478  Panicum acuminatum var. acuminatum Mary Ann Showers 1992-7-19 2665 Shasta Lassen Volcanic National Park. Hot springs area below Pilot Pinnacle. 1920 Comment
  CHSC83226  Panicum acuminatum var. acuminatum Beecher Crampton 1964-8-26 7169 a Shasta Lassen National Park, head of Little Hot Springs Valley, slopes below Pilot Pinnacle. Meadow. 2468 Comment
  CHSC83227  Panicum acuminatum var. acuminatum Beecher Crampton 1964-8-26 7167 Shasta Lassen National Park, Sulphur Works. Slopes and meadows among hot springs. 2133 Comment
  UC768599  Panicum acuminatum var. acuminatum R. F. Hoover 1940-9-21 4607 Shasta Soupan Springs Lassen Peak Comment
  UCD32836  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7169 a Shasta Lassen National Park, head of Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  UCD32837  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7169 b Shasta Lassen National Park, head of Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  UCD32841  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7167 Shasta Lassen National Park, Sulphur Works. 2133 Comment
  UCD89952  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7169 Shasta Lassen National Park, head of Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  UCD89959  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7167 Shasta Lassen National Park, Sulphur Works. 2133 Comment
  UCD89960  Panicum acuminatum var. thermale Beecher Crampton 1964-8-26 7169 Shasta Lassen National Park, head of Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  POM116002  Panicum capillare Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  SBBG115778  Panicum lassenianum B. Crampton 1964-8-26 7167 Shasta Sulphur Works 2133 Comment
  UC485732  Parnassia californica H. F. Copeland 1931-8-9 Shasta Mount Lassen, Emerald Lake Emerald Lake; Mount Lassen, Emerald Lake 2438 Comment
  UC858296  Parnassia californica E. G. Anderson 1935-9-2 Shasta Lassen Volcanic National Park, Lower part of Brokeoff Trail Lassen Volcanic National Park; , Brokeoff Trail 2286 Comment
  CAS-BOT-BC175542  Parnassia palustris John Thomas Howell 1960-8-18 36078 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC175543  Parnassia palustris Hans Leschke 1960-9-8 1793 Shasta Little Hot Springs Valley. Lassen Volcanic National Park 2240 Comment
  CAS-BOT-BC175581  Parnassia palustris H. E. Brown 1897-8-1 666 Plumas Near Lassen Buttes 1828 Comment
  CHSC95157  Parnassia palustris R. D. Fischer 2005-8-21 843 Tehama Lassen National Volcanic Park. Cascade Range High in Lassen National Volcanic Park. Specimen found along Mill Creek Trail, at creek, and upstream of falls. 1981 Comment
  JEPS12515  Pedicularis attollens Geo. Gillett 1955-8-10 475 Shasta at upper end of grade on the Little Hot Springs Valley (overlook of the Lassen Peak Highway, bench a few yards above the drinking fountain) 2346 Comment
  UC1543862  Pedicularis attollens Harold and Virginia Bailey 1948-8-27 3049 Shasta Loop Highway at water fountain below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  JEPS10727  Pedicularis groenlandica Chesnut and Drew Lassen Lassen Peak Comment
  UC54661  Pedicularis groenlandica H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4306 Shasta Mill Creek; Mount Lassen 2438 Comment
  UC1599356  Pedicularis semibarbata H. E. Brown Aug 15 1897-Aug 31 1897 649 Plumas near Lassen Buttes 1828 Comment
  UC42662  Pellaea Lemmon 1879-1 Shasta Lassen's Peak Comment
  UC185254  Pellaea brachyptera Mrs. R. M. Austin Aug 1896 356 Unknown <Lassens> Peak Comment
  JEPS28748  Penstemon George W. Gillett 1957-8-10 1030 Shasta South crags below summit Pilot Pinnacle; Lassen Volcanic National Park, Pilot Pinnacle 2706 Comment
  UC335734  Penstemon azureus var. azureus J. G. Lemmon 1874-1 Shasta near Lassen's Peak; near Lassen's Peak Comment
  POM283536  Penstemon davidsonii J. W. Morrison s.n. Shasta Summit of Mt Lassen. Sierra Nevada mtn range. 3049 Comment
  RSA523631  Penstemon davidsonii George W. Gillett, L. R. Heckard 1957-8-10 1030 Shasta Pilot Pinnacle. South crags below summit. Lassen Volcanic National Park. 2707 Comment
  RSA646268  Penstemon davidsonii James Buel 1957-12-8 222 Shasta Lassen Peak, Lassen Nat'l Park. Comment
  CHSC49024  Penstemon davidsonii var. davidsonii Vernon Oswald 1986-8-11 2277 Shasta Summit of Lassen Peak Rail. 3121 Comment
  JEPS79375  Penstemon davidsonii var. davidsonii L. R. Heckard with E. Lim Dhillon and M. Ashton 1979-7-21 5147 Shasta about 100 m e Ski Heil Peak summit (n of Emerald Lake); Lassen National Park, , Ski Heil Peak 2651 Comment
  JEPS8091  Penstemon davidsonii var. davidsonii Jos. Grinnell 1925-8-1 Shasta trail to Lassen Peak (se Shasta County); Trail to Lassen Peak 2743 Comment
  JEPS8104  Penstemon davidsonii var. davidsonii W. L. Jepson 1929-9-25 15318 Shasta on Hemlock ridge above Camp (nw base Lassen Peak, nw slope of Lassen Peak); nw slope of Lassen Peak, nw base 2621 Comment
  NY590157  Penstemon davidsonii var. davidsonii A. R. Kruckeberg 1954-8-5 3712 Shasta Along trail to Lassen Peak, from Helen Lake. Lassen Volcanic National Park near summit. 2590.8 Comment
  NY590198  Penstemon davidsonii var. davidsonii Collector unspecified 07 1879 s.n. Shasta Lassen's Peak Comment
  NY627393  Penstemon davidsonii var. davidsonii R. M. Austin 07 1879 s.n. Unknown Lassens Peak Comment
Read comments
Dec 18 2015
  UC1036277  Penstemon davidsonii var. davidsonii George W. Gillett 1952-7-26 102 Shasta Lassen Peak trail, summit Lassen Volcanic National Park 3169 Comment
  UC124122  Penstemon davidsonii var. davidsonii Mrs. R. M. Austin 1882-8-10 Shasta Lassens Peak 2743 Comment
  UC124125  Penstemon davidsonii var. davidsonii Mrs. R. M. Austin July 1896 384 Plumas Lassens Peak Comment
  UC436304  Penstemon davidsonii var. davidsonii E. B. Copeland 1930-8-5 Shasta Mt. Lassen 3300 Comment
  UC604411  Penstemon davidsonii var. davidsonii Herbert McLean Evans Shasta Lassen Peak 2743 Comment
  UC604414  Penstemon davidsonii var. davidsonii unknown 1922-1 Shasta Lassen Peak Sierra Nevada, Lassen Peak 2743 Comment
  UCD67781  Penstemon davidsonii var. davidsonii D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park. 3040 Comment
  JEPS11234  Penstemon deustus var. deustus Victor K. Chestnut and Elmer Drew 1891-1 Shasta Lassen Peak Comment
  UC1034006  Penstemon deustus var. deustus Francis W. Pennell Jul 22 1940-Jul 23 1940 26242 Tehama Route 89 Bluff Falls s Sulphur Works (s of Mount Lassen); , Bluff Falls s of Sulphur Works 1889 Comment
  NY600727  Penstemon gracilentus R. M. Austin 07 1879 s.n. Shasta Lassens Peak Comment
  UC103030  Penstemon gracilentus Mrs. R. M. Austin July 1896 360 Plumas Lassens Peak Comment
  UC887036  Penstemon gracilentus E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CHSC49041  Penstemon heterodoxus var. shastensis Vernon Oswald 1986-7-28 2242 Shasta Trail between Bumpus Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2377 Comment
  CHSC60420  Penstemon neotericus Mary Ann Showers 1992-6-26 2570 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC61440  Penstemon neotericus Vernon H. Oswald; Lowell Ahart 1993-8-18 5842 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. 2490 Comment
  JEPS9342  Penstemon neotericus George W. Gillett 1953-8-16 337 Tehama near Diamond Peak; Lassen Volcanic National Park, near Diamond Peak 2209 Comment
  UC103023  Penstemon neotericus Mrs. R. M. Austin Aug. 1896 646 Shasta Lassens Peak Comment
  UC1036223  Penstemon neotericus George W. Gillett 1953-8-16 337 Tehama near Diamond Peak; Lassen Volcanic National Park, near Diamond Peak 2209 Comment
  UC139042  Penstemon neotericus Mrs. R. M. Austin July 1896 485 Plumas Lassens Peak Comment
  CHSC60421  Penstemon newberryi Mary Ann Showers 1992-6-28 2696 Shasta Lassen Volcanic National Park. Cliffs west of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  GH367504  Penstemon newberryi F. W. Pennell 1940-7-22 26235 Unknown Route 89, S. of pass, Mount Lassen, Lassen National Park 2590 Comment
  GH367510  Penstemon newberryi B. B. Brues 1927-8-3 Unknown Lassen Park, near Lake Helen 2590 Comment
  GH367519  Penstemon newberryi B. B. Brues 1927-8-3 Unknown Lassen Park, near Lake Helen 2590 Comment
  UCD67759  Penstemon newberryi Collector unknown 1996-9-7 Shasta Lassen Volcanic National Park. Perennial plant communities in dry rock crevices and rocky slopes at Bumpass Hell trail. 2580 Comment
  SEINET3836566 Image available Penstemon newberryi subsp. newberryi Marcus E. Jones 1897-7-7 Lassen Lassen's Peak 1829 Comment
  CAS-BOT-BC239302  Penstemon newberryi var. berryi Mrs. R. M. Austin; Mrs. Bruce 1897-7-1 1242 Shasta Lassen Peak Comment
  CAS-BOT-BC239303  Penstemon newberryi var. berryi Mrs. C. C. Bruce 1898-7-1 1242 Shasta Mt. Lassen Comment
  CAS-BOT-BC239316  Penstemon newberryi var. berryi George W. Gillett 1957-8-10 1032 Shasta Lassen Volcanic National Park 2706 Comment
  CAS-BOT-BC239342  Penstemon newberryi var. berryi George W. Gillett 1957-8-10 1030 Shasta Lassen Volcanic National Park, Pilot Pinnacle 2706 Comment
  CAS-BOT-BC245667  Penstemon newberryi var. newberryi John Thomas Howell 1960-8-19 36194 Tehama Summit of Brokeoff Mt., Lassen Volcanic National Park 2804 Comment
  JEPS28749  Penstemon newberryi var. newberryi George W. Gillett 1957-8-10 1032 Shasta Pilot Pinnacle Lassen Volcanic National Park, Pilot Pinnacle 2706 Comment
  JEPS9343  Penstemon newberryi var. newberryi George W. Gillett 1953-8-2 308 Shasta near Emerald Lake (Emerald Point); Lassen Volcanic National Park 2499 Comment
  NY627333  Penstemon newberryi var. newberryi G. W. Gillett 1953-8-2 308 Shasta Emerald Point near Emerald Lake 2499.4 Comment
  UC1034009  Penstemon newberryi var. newberryi Francis W. Pennell 1940-7-22 26235 Shasta Mount Lassen, Route 89 S of pass Lassen National Park 2590 Comment
  UC1036193  Penstemon newberryi var. newberryi George W. Gillett 1953-8-2 308 Shasta Emerald Point near Emerald Lake (Lassen Volcanic National Park); , nr Emerald Lake 2499 Comment
  UC1543753  Penstemon newberryi var. newberryi Harold and Virginia Bailey 1948-8-27 2943 a Shasta Lassen Peak trail Lassen Volcanic National Park, Lassen Peak trail 2590 Comment
  UC1543825  Penstemon newberryi var. newberryi Harold and Virginia Bailey 1948-8-27 2946 Shasta ridge overlooking Lake Helen, along trail from Lassen Peak parking lot Lassen Volcanic National Park 2590 Comment
  UC887188  Penstemon newberryi var. newberryi E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  NY651338  Penstemon rydbergii var. oreocharis M. E. Jones 1897-7-8 s.n. Unknown Lassen's Peak 1828.8 Comment
  NY651339  Penstemon rydbergii var. oreocharis M. E. Jones 1897-7-8 s.n. Unknown Lassen's Peak 1828.8 Comment
  CHSC60295  Perideridia bolanderi subsp. bolanderi Mary Ann Showers 1992-6-26 2569 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  JEPS17522  Perideridia bolanderi subsp. bolanderi W. L. Jepson 1910-6-9 4100 Shasta near Lassen Peak; Hot Springs Valley 1950 Comment
  UC1024384  Perideridia bolanderi subsp. bolanderi George W. Gillett 1952-8-10 165 Shasta Lassen Peak Hwy 1.5 mi below Emerald Lake; Lassen Volcanic National Park 2346 Comment
  UC1036236  Perideridia bolanderi subsp. bolanderi George W. Gillett 1952-8-17 194 Shasta Little Hotsprings Valley Grade 2 mi below Bumpas Hell trail origin; Lassen Volcanic National Park, Lassen Peak Highway 2346 Comment
  JEPS28759  Perideridia parishii subsp. latifolia George W. Gillett 1957-8-13 1054 Tehama 1/4 mi above Sulphur Works Checking Station (and near Brokeoff Mt. Trail); Lassen Volcanic National Park 2072 Comment
  CHSC48468  Phacelia hastata subsp. compacta Vernon Oswald 1986-7-24 2233 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  JEPS12510  Phacelia hastata subsp. compacta Harold Lint 1955-8-24 489 Shasta near summit of peak Lassen Volcanic National Park, Lassen Peak 3048 Comment
  JEPS29405  Phacelia hastata subsp. compacta L. R. Heckard and P. C. Silva 1961-8-20 1277 Shasta trail to Lassen Peak 3048 Comment
  UC1036297  Phacelia hastata subsp. compacta George W. Gillett 1952-8-2 142 Shasta summit area of Lassen Peak Lassen Volcanic National Park 3154 Comment
  UC1228300  Phacelia hastata subsp. compacta George Gillett August 1952 213 Shasta along trail to summit Lassen Volcanic National Park 3048 Comment
  UC1242696  Phacelia hastata subsp. compacta A. R. Kruckeberg 1954-8-5 3710 Shasta along trail to Lassen Peak Lassen Volcanic Nat. Park (near summit) Comment
  UC604406  Phacelia hastata subsp. compacta Herbert McLean Evans 1922-1 Shasta Lassen Peak Sierra Nevada 2743 Comment
  HSC13644  Phacelia hastata var. compacta L. R. Heckard, P. C. Silva 1961-8-20 1277 Shasta Trail to Lassen Peak 3049 Comment
  JEPS2100  Phacelia hydrophylloides Chesnut and Drew circa 1890 Shasta Lassen Peak Comment
  RSA74832  Phacelia hydrophylloides F. W. Peirson 1926-6-23 6831 Plumas Trail to Lassen Peak, Lassen National Park. Comment
  CHSC60362  Phacelia mutabilis Mary Ann Showers 1992-6-26 2574 Tehama Lassen Volcanic National Park. Rocky, hydrothermally altered area on ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  UC1543823  Phacelia mutabilis Harold and Virginia Bailey 1948-8-28 3063 b Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  CHSC61105  Phacelia procera Vernon H. Oswald; Lowell Ahart 1993-7-27 5717 Shasta Lassen Volcanic National Park. E side of the drainages above (south of ) the lower lake in Blue Lake Canyon. From a group of plants growing on the rocky bank of a streamlet on a steep, rocky slope. 2087 Comment
  UC107391  Phacelia procera Mrs. R. M. Austin Aug. 1896 288 Shasta Lassens Peak Comment
  CHSC61428  Phacelia racemosa Vernon H. Oswald; Lowell Ahart 1993-8-18 5844 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Growing on the dry edge of a springy meadow draining into Canyon Creek. 2200 Comment
  UC54514  Phacelia racemosa H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4324 Tehama Park's Ranch Mount Lassen (s side, Tehama Co. line) 2133 Comment
  CAS-BOT-BC253560  Phleum alpinum John Thomas Howell 1960-8-23 36444 Shasta Lassen Loop above Little Hot Springs Valley, Lassen Volcanic National Park 2407 Comment
  CHSC60479  Phleum alpinum Mary Ann Showers 1992-6-28 2679 Shasta Lassen Volcanic National Park. Tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2499 Comment
  UC820529  Phleum alpinum E. G. Anderson 1935-8-28 Shasta Crescent Cliffs; Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CAS-BOT-BC260881  Phleum pratense Hans Leschke 1960-9-8 1801 Shasta Little Hot Springs Valley, Lassen Volcanic National Park 2164 Comment
  JEPS28766  Phlox diffusa George W. Gillett 1957-8-13 1062 Tehama about 1.75 mi above Sulphur Works Checking Station; Lassen Volcanic National Park, Brokeoff Mountain 2438 Comment
  JEPS69953  Phlox diffusa Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2743 Comment
  JEPS69954  Phlox diffusa Chesnut and Drew circa 1890 Shasta Mt. Lassen Comment
  UC1036230  Phoenicaulis cheiranthoides George W. Gillett 1953-8-25 346 Tehama near Diamond Peak (Lassen Volcanic National Park); Lassen Volcanic National Park 2255 Comment
  UC54260  Phoenicaulis cheiranthoides H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4296 Shasta near Soupan Springs (Mount Lassen); Mount Lassen 2377 Comment
  UC220619  Phoradendron juniperinum H. E. Brown Aug 15 1897-Aug 31 1897 673 Plumas near Lassen Buttes 1828 Comment
  A362830  Phyllodoce breweri Mrs. R. M. Austin 1879-08-01 - 1879-09-01 Unknown Lassen's Peak Comment
  CAS-BOT-BC58801  Phyllodoce breweri John Thomas Howell 1960-8-19 36120 Tehama Lassen Volcanic National Park - Brokeoff Mt. Trail 2346 Comment
  CAS-BOT-BC58804  Phyllodoce breweri Alice Eastwood 1912-8-22 s.n. Shasta Lassen Butte Region - Lassen Butte Comment
  CAS-BOT-BC58849  Phyllodoce breweri Hans Leschke 1959-8-10 1654 Shasta Lassen Volcanic National Park - Soda Lake 2385 Comment
  GH423920  Phyllodoce breweri Mrs. R. M. Austin 1879-1-1 Unknown Lassen's Peak Comment
  JEPS66666  Phyllodoce breweri Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain 2743 Comment
Read comments
Jul 31 2014
  POM219158  Phyllodoce breweri H. F. Copeland 1931-8-9 6193 Shasta Mt. Lassen Comment
  RSA659533  Phyllodoce breweri Gary D. Wallace 1990-6-29 2942 Shasta Cascade Range: Lassen Park, Emerald Lake, west side of lake, trail to Bumpass Hell. 2466 Comment
  SEINET3094010 Image available Phyllodoce breweri Marc Mittleman 1980-8-1 229 Shasta Lassen Volcanic Park-Emerald Lake vicinity. Comment
  SEINET4671876  Phyllodoce breweri Emily Gillespie, Zack Murrell 2006-8-5 06 -021 Shasta Mineral, Bumpass Hell Trail, approximately 1 mile from parking area across from Lake Helen. 2499 Comment
  SJSU491  Phyllodoce breweri G. Witherspoon 1940-6-28 2150 Shasta Bumpass Hell, Lassen Volcanic National Park 2438 Comment
  UC1037196  Phyllodoce breweri Leo Whitney 1934-9-16 1518 Lassen Lassen National Park, nw edge of Bumpass Hell Bumpass Hell; Lassen National Park, Bumpass Hell 2560 Comment
  UC142825  Phyllodoce breweri Mrs. R. M. Austin July 1896 385 Plumas Lassen Peak Comment
  UC1543716  Phyllodoce breweri Harold and Virginia Bailey 1948-8-27 2947 b Shasta overlooking Lake Helen (along trail from Lassen Peak parking area, Lassen Volcanic National Park); Lassen Volcanic National Park 2590 Comment
  UC481601  Phyllodoce breweri H. F. Copeland 1931-8-9 Shasta Mount Lassen Comment
  UCD35831  Phyllodoce breweri Beecher Crampton 1964-8-26 7173 Shasta Lassen Volcanic National Park; head of Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  CAS-BOT-BC73382  Pinus albicaulis Elizabeth McClintock 1957-7-28 s.n. Shasta Near Lake Helen, Lassen National Park. Comment
  CAS-BOT-BC73383  Pinus albicaulis Roxana S. Ferris; Laura Lorraine 1941-8-10 10494 Shasta Lassen National Park - State Highway 89, shoulder of Mt. Lassen. Comment
  CAS-BOT-BC73384  Pinus albicaulis M. S. Jussel 1931-9-7 s.n. Shasta Mt. Lassen 2743 Comment
  CHSC111019  Pinus albicaulis L. P. Janeway 2013-4-12 11201 Shasta High Cascade Range. Base of rock wall near southern base of Eagle Peak, near Ski Heil Peak. 2677 Comment
  JEPS47881  Pinus albicaulis W. L. Jepson 1929-9-29 15326 Shasta nw slope Lassen Peak 2743 Comment
  POM120515  Pinus albicaulis Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  RSA79089  Pinus albicaulis E. K. Balls, P. C. Everett 1952-10-14 18203 Shasta Open hills among rocks and scree, E of Summit Pass, Mt. Lassen Peak, Hwy 89. 2561 Comment
  UC1061695  Pinus albicaulis George W. Gillett 1952-8-16 247 Shasta Lassen Peak Lassen Volcanic National Park (summit area, se shoulder) 2804 Comment
  UC1085286  Pinus albicaulis J. M. Crawford 1957-8-7 15 Shasta summit Highway 89; Lassen National Park 2560 Comment
  UC436288  Pinus albicaulis E. B. Copeland 1930-8-5 Shasta Mt. Lassen 3000 Comment
  UC501356  Pinus albicaulis Mrs. H. P. Bracelin 1932-7-24 693 Shasta beside trail up Lassen Peak Mt. Lassen Volcanic National Park, Lassen Peak (in volcanic soil on steep slope) 2895 Comment
  UCSB32  Pinus albicaulis Haller, John 1957-9-20 Shasta Summit train, Mt. Lassen, Lassen National Park, California 2743 Comment
  CAS-BOT-BC78720  Pinus jeffreyi John Thomas Howell 1960-8-18 36019 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC78724  Pinus jeffreyi John Thomas Howell 1960-8-19 36142 Tehama Brokeoff Mt. Trail 2590 Comment
  UC1219747  Pinus jeffreyi Paul F. Graves 1938-9-1 8469 Shasta Mt. Lassen Comment
  CAS-BOT-BC72980  Pinus monticola John Thomas Howell 1960-8-19 36139 Tehama Lassen Volcanic National Park - Brokeoff Mt. Trail 2590 Comment
  CAS-BOT-BC78923  Pinus monticola C. C., Mrs. Bruce 1897-7-1 s.n. Shasta Mt. Lassen Comment
  CAS-BOT-BC78924  Pinus monticola M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CHSC111040  Pinus monticola L. P. Janeway 2013-9-12 11202 Shasta High Cascade Range. Base of rock wall near southern Base of Eagle Peak, near Ski Heil Peak. 2668 Comment
  CHSC24167  Pinus monticola E. Stopher 1976-2-1 5 Tehama 8.7. Km n of jct. Of Hwy. 89 and Hwy. 36. On s side of Hwy. 89, ca 75 m from road. 2000 Comment
  RSA0088654  Pinus monticola Bonnie C. Templeton 1968-6-11 11327 Shasta Near Sulphur Works, on road to Mt. Lassen. 2316 Comment
  RSA0088705  Pinus monticola Bonnie C. Templeton 1968-6-11 11327 Shasta Near Sulphur Works, on road to Mt. Lassen. 2316 Comment
  UC400285  Pinus ponderosa H. E. Brown Aug 1 1897-Aug 15 1897 621 Plumas near Lassen Buttes 1828 Comment
  UCD134933  Pinus ponderosa John Thomas Howell 1960-8-18 36014 Tehama Lassen Volcanic National Park, Morgan Summit. 1752 Comment
  CHSC61122  Piperia unalascensis Vernon H. Oswald; Lowell Ahart 1993-7-27 5714 Shasta Trail in Blue Lake Canyon, 0.6 mi E of the park boundary. Lassen Volcanic National Park. 2011 Comment
  UC1543733  Plagiobothrys Harold and Virginia Bailey 1948-8-27 3068 d Tehama near Sulphur Creek Campground meadows below ski hut; Lassen Volcanic National Park 2011 Comment
  CHSC61411  Plagiobothrys hispidulus Vernon H. Oswald; Lowell Ahart 1993-8-18 5843 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Growing on a slope in a meadow draining into Canyon Creek. 2200 Comment
  CHSC59140  Plantago lanceolata Vernon H. Oswald 1992-8-19 5158 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.2 mi N of the S boundary of the park. Growing along the E edge of the road. 2011 Comment
  UC1543726  Platanthera Harold and Virginia Bailey 1948-8-25 3051 B Shasta below Emerald Lake (Loop Highway at water fountain); Lassen Volcanic National Park 2438 Comment
  UC845540  Platanthera sparsiflora E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  GH361055  Poa L. S. Rose 1945-9-4 45251 Unknown Lassen Volcanic National Park. Summit Lassen Peak Highway Comment
  CAS-BOT-BC254771  Poa bolanderi Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC254773  Poa bolanderi Hans Leschke 1955-8-30 s.n. Shasta Lassen Volcanic National Park. Near Sulphur Works entrance station 2133 Comment
  CAS-BOT-BC254787  Poa bolanderi John Thomas Howell 1960-8-18 36105 Tehama Lassen Volcanic National Park, Sulphur Works Checking Station 2011 Comment
  GH360650  Poa bolanderi M. E. Jones 1897-7-7 Unknown Lassen's Peak 1828 Comment
  POM100273  Poa bolanderi Marcus E. Jones 1897-7-7 11182 Shasta Lassen's Peak. 1829 Comment
  CHSC61128  Poa cusickii subsp. epilis Vernon H. Oswald; Lowell Ahart 1993-7-27 5705 Shasta Lassen Volcanic National Park. Blue Lake Canyon, 0.2 mi E of the park boundary, between the trail and the N Fork of Bailey Creek. 1950 Comment
  UCD90967  Poa cusickii subsp. epilis D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park. At Lassen Peak Crater. 3180 Comment
  SEINET10717663  Poa cusickii subsp. purpurascens Paul M. Peterson, Jeffrey M. Saarela; Sears, Joe 2006-8-11 Peterson 19826 Shasta 12 mi N of Hwy 36 on Hwy 89 towards Manzanita Lake, at or near summit, above Lake Helen. 2534 Comment
  CAS-BOT-BC255921  Poa nervosa George W. Gillett 1957-8-10 1021 B Shasta Saddle between Ski Hill and Pilot Pinnacle, Lassen Volcanic National Park 2636 Comment
  CAS-BOT-BC255922  Poa nervosa George W. Gillett 1957-8-8 982 A Shasta Lower se. slopes of Lassen Peak beyond first switchback above the Hemlock Flat, Lassen Volcanic National Park 2651 Comment
  CAS-BOT-BC255238  Poa pringlei Lewis S. Rose 1945-9-4 45251 Shasta Summit Lassen Peak Highway, Lassen Volcanic National Park 2590 Comment
  CAS-BOT-BC255240  Poa pringlei George W. Gillett 1957-8-10 1021 A Shasta Saddle between Ski Hill and Pilot Pinnacle, Lassen Volcanic National Park 2636 Comment
  CAS-BOT-BC255242  Poa pringlei H. F. Copeland 1931-8-9 s.n. Shasta Mt. Lassen 2590 Comment
  CHSC60480  Poa pringlei Mary Ann Showers 1992-6-28 2675 Shasta Lassen Volcanic National Park. North facing cirque between Pilot Pinnacle and Mt. Diller. 2560 Comment
  JEPS28318  Poa pringlei George W. Gillett 1957-8-10 1021 -A Shasta saddle between Ski <Heil ?> and Pilot Pinnacle; Lassen Volcanic Nat'l Park 2636 Comment
  JEPS28288  Poa wheeleri George W. Gillett 1957-8-8 982 -A Shasta beyond first switchback above the Hemlock Flat Lassen Peak; Lassen Volcanic Nat'l Park 2651 Comment
  CAS-BOT-BC244268  Podagrostis humilis George W. Gillett 1957-8-18 1098 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mountain trail, from Sulphur Works checking station up 0.25 mile to stream crossing near extensive talus formation 2103 Comment
  CAS-BOT-BC244273  Podagrostis humilis John Thomas Howell 1960-8-18 36103 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC244274  Podagrostis humilis John Thomas Howell 1960-8-18 36063 Tehama Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC54483  Polemonium californicum Vernon H. Oswald 1991-7-22 4761 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.75 mile east of the park boundary, ca. 3 miles (air) west-southwest of Lassen Peak. In woods bordering the north side of the North Fork of Bailey Creek. 2023 Comment
  CHSC54484  Polemonium californicum Vernon H. Oswald 1991-7-22 4761 .1 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.8 mile east of the park boundary, ca. 3 miles (air) west-southwest of Lassen Peak. On slope between Blue Lake and the unnamed lake to the west. 2048 Comment
  CHSC60375  Polemonium californicum Mary Ann Showers 1992-6-28 2688 Shasta Lassen Volcanic National Park. Streams below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2468 Comment
  CAS-BOT-BC231289  Polemonium pulcherrimum A. R. Kruckeberg 1954-8-5 3706 Shasta Along trail to Lassen Peak, from Helen Lake. Lassen Volcanic National Park, near summit 2590 Comment
  JEPS69917  Polemonium pulcherrimum Chestnut and Drew Circa 1890 Shasta Mt. Lassen Comment
  JEPS8319  Polemonium pulcherrimum George W. Gillett 1953-7-16 278 Shasta on Lassen Peak Lassen Volcanic National Park, on Lassen Peak 2895 Comment
  SEINET4335514 Image available Polemonium pulcherrimum George W. Gillett 1953-7-16 278 Shasta Summit area of Lassen Peak 2896 Comment
  SEINET4335515 Image available Polemonium pulcherrimum George W. Gillett 1953-8-6 311 Shasta Summit area of Lassen Peak 2804 Comment
  SEINET4557491  Polemonium pulcherrimum George W. Gillett 1953-1 311 Shasta Summit area of Lassen Peak. 2804 Comment
  UC1036278  Polemonium pulcherrimum George W. Gillett 1952-7-26 103 Shasta summit of Peak Lassen Volcanic National Park, summit Lassen Peak (Lassen Peak trail, Lassen Volcanic National Park) 3169 Comment
  UC794372  Polemonium pulcherrimum W. Bridge Cooke 1949-8-22 25561 Shasta summit Mount Lassen , summit Mount Lassen (Mount Lassen Volcanic National Park) Comment
  UCD118669  Polemonium pulcherrimum D. Sanchez-Mata; P. Rodriguez, R. Gavilan and J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park. 3020 Comment
  UC1036143  Polemonium pulcherrimum subsp. pulcherrimum George W. Gillett 1952-9-1 242 Shasta summit area of Lassen Peak Lassen Volcanic National Park, summit Lassen Peak (s slope, Lassen Volcanic National Park) 3108 Comment
  UC1036200  Polemonium pulcherrimum subsp. pulcherrimum George W. Gillett 1953-8-6 311 Shasta summit area Lassen Peak , summit area Lassen Peak (Lassen Volcanic National Park) 2804 Comment
  UC1061690  Polemonium pulcherrimum subsp. pulcherrimum George W. Gillett 1952-8-2 141 Shasta summit Lassen Peak , summit Lassen Peak (Lassen Volcanic National Park) Comment
  UC882736  Polemonium pulcherrimum subsp. pulcherrimum E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CHSC45361  Polemonium pulcherrimum var. pilosum Vernon Oswald 1986-8-11 2279 Shasta Summit of Lassen Peak Trail. 3121 Comment
  UC1036210  Polemonium pulcherrimum var. pilosum George W. Gillett 1953-7-16 278 Shasta summit area of Lassen Peak Lassen Volcanic National Park, summit Lassen Peak (near summit, Lassen Volcanic National Park) 2895 Comment
  CAS-BOT-BC263245  Polemonium pulcherrimum var. shastense R. Stubbs 2010-7-16 016 Shasta Mt. Lassen. 1.3 miles up the trail and up to the summit 3167 Comment
  CHSC59093  Polygonum aviculare Vernon H. Oswald 1992-8-19 5162 Tehama Lassen Volcanic National Park. Jeep trail passing beneath the ski lift near the lower end of the slope on the W side of Lassen Hwy., ca. 0.3 mi NW of the Southwest Entrance Station. Locally abundant in summer-dry soil of a vernally wet drainage crossing the trail. 2084 Comment
  CHSC117624  Polygonum aviculare subsp. depressum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21370 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127107  Polygonum aviculare subsp. depressum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21370 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  JEPS50543  Polygonum davisiae Joseph Grinnell 1925-7-27 Tehama near Broke-off Mountain 2743 Comment
  POM213951  Polygonum davisiae H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. Emerald Lake. 2500 Comment
  RSA79091  Polygonum davisiae E. K. Balls 1952-10-14 18205 Shasta Summit Pass, Lassen Peak, Hwy 89. 2595 Comment
  UC1036201  Polygonum davisiae George W. Gillett 1953-8-6 310 Shasta Lassen Peak Lassen Volcanic National Park (summit area) 2865 Comment
  UC1543752  Polygonum davisiae Harold and Virginia Bailey 1948-8-27 2943 Shasta Lassen Peak trail Lassen Volcanic National Park 2590 Comment
  UC485729  Polygonum davisiae H. F. Copeland 1931-8-9 Shasta Mt. Lassen 2438 Comment
  UC604407  Polygonum davisiae Herbert McLean Evans 1922-1 Shasta Lassen Peak Sierra Nevada 2743 Comment
  UC727133  Polygonum davisiae A. A. Heller 1941-8-11 16282 Shasta ridge near head of Little Hot Springs Valley; Lassen Volcanic National Park Comment
  UC850083  Polygonum davisiae E. G. Anderson 1935-8-31 Shasta Lassen Peak Lassen Volcanic National Park 3048 Comment
  UC850084  Polygonum davisiae Alice Eastwood Aug 22 1912-Aug 26 1912 1850 Shasta Lassen Butte Region Comment
  UC85157  Polygonum davisiae R. M. A. July 1896 447 Plumas Lassens Peak Comment
  CHSC117580  Polygonum douglasii Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21362 Tehama Dry area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS127111  Polygonum douglasii Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21362 Tehama About 50 yards south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  UC850366  Polygonum douglasii subsp. douglasii E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  SEINET3404081 Image available Polygonum majus Marcus E. Jones 1897-7-7 Shasta Lassen's Peak Comment
  SEINET3404082 Image available Polygonum majus Marcus E. Jones 1897-7-7 Shasta Lassen's Peak Comment
  CAS-BOT-BC418529  Polygonum minimum John Thomas Howell 1960-8-18 36041 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC117579  Polygonum minimum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21363 Tehama Dry area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC59097  Polygonum minimum Vernon H. Oswald 1992-8-31 5196 Shasta Lassen Volcanic National Park. Slopes along the East Branch of Sulphur Creek above Little Hot Springs Valley, on the W side of Lassen Hwy. 2438 Comment
  JEPS127110  Polygonum minimum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21363 Tehama About 50 yards south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  JEPS50648  Polygonum phytolaccifolium Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain 2133 Comment
  CAS-BOT-BC419909  Polygonum polygaloides subsp. kelloggii Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC419912  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1960-8-23 6440 Shasta Lassen Volcanic National Park. Lassen Loop above Little Hot Springs Valley 2407 Comment
  UCD100611  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1960-8-23 36440 Shasta Lassen Volcanic National Park. Lassen Loop above Little Hot Springs Valley. 2407 Comment
  CAS-BOT-BC109259  Polygonum shastense John Thomas Howell 1960-8-19 36155 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2682 Comment
  CAS-BOT-BC109271  Polygonum shastense Dr. Hans Leschke 1942-9-16 s.n. Shasta Mount Lassen. 2560 Comment
  CAS-BOT-BC109274  Polygonum shastense H. F. Copeland 1931-8-9 1440 Shasta Mount Lassen. 2590 Comment
  CAS-BOT-BC109275  Polygonum shastense Jeanne Janish; Carl Janish 1938-9-6 s.n. Shasta Near Lake Helen, Lassen National Park. 2042 Comment
  CAS-BOT-BC109276  Polygonum shastense M. S. Jussel 1931-9-7 s.n. Shasta Mount Lassen. 2438 Comment
  CAS-BOT-BC109277  Polygonum shastense Alice Eastwood 1912-8-22 1856 Shasta Lassen Butte. Comment
  CHSC45384  Polygonum shastense Vernon Oswald 1986-8-4 2266 Tehama Lassen Volcanic National Park, Brokeoff Mt. Trail. Growing on a scree slope. 2560 Comment
  CHSC60387  Polygonum shastense Mary Ann Showers 1992-6-28 2667 Shasta Lassen Volcanic National Park. South facing talus and scree slope below Mt. Diller. 2560 Comment
  GH364806  Polygonum shastense L. S. Rose 1945-9-4 45237 Unknown Summit Lassen Peak Highway 2590 Comment
  GH364808  Polygonum shastense W. H. Brewer 1863-9-26 2179 Unknown Lassen Peak 3048 Comment
  GH364817  Polygonum shastense Unknown Lassen's Peak Comment
  HSC40166  Polygonum shastense Thomas W. Nelson, Jane P. Nelson 1976-8-1 3116 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  JEPS50590  Polygonum shastense Jos. Grinnell 1925-8-1 Shasta Trail to Mt. Lassen 2895 Comment
  LA51274  Polygonum shastense M. S. Jussel; 1931-9-7 sn Plumas Mount Lassen 2438 Comment
  POM180950  Polygonum shastense M. S. Jussel 1931-9-7 s.n. Shasta Mt. Lassen. 2439 Comment
  POM219301  Polygonum shastense H. F. Copeland 1931-8-9 1440 Shasta Mt. Lassen, near timberline. 2591 Comment
  RSA303942  Polygonum shastense James R. Shevock 1972-7-24 2201 Shasta Lassen Peak; Lassen Park. 2896 Comment
  RSA472705  Polygonum shastense H. F. Copeland 1931-8-9 1440 Shasta Mt. Lassen, near timberline. 2591 Comment
  UC1036312  Polygonum shastense George W. Gillett 1952-8-9 162 Shasta Lassen Peak Lassen Volcanic National Park (e shoulder) 2743 Comment
  UC1037194  Polygonum shastense Leo Whitney 1934-9-16 1512 Lassen Lassen Peak; s side 2560 Comment
  UC1543749  Polygonum shastense Harold and Virginia Bailey 1948-8-27 2945 Shasta Lassen Peak trail Lassen Volcanic National Park 2590 Comment
  UC1543750  Polygonum shastense Harold and Virginia Bailey 1948-8-27 2950 b Shasta ridge overlooking Lake Helen (along trail from Lassen Peak parking area); Lassen Volcanic National Park 2590 Comment
  UC444990  Polygonum shastense E. B. Copeland 1930-8-5 Shasta Mt. Lassen; beside lake 2700 Comment
  UC485728  Polygonum shastense H. F. Copeland 1931-8-9 1440 Shasta Mt. Lassen; near timberline 2590 Comment
  UC604408  Polygonum shastense Herbert McLean Evans 1922-1 Shasta Lassen Peak Sierra Nevada 2682 Comment
  UC6735  Polygonum shastense W. H. Brewer 1863-9-26 2179 Shasta Lassen's Peak; near summit Comment
  UC6738  Polygonum shastense W. H. Brewer Sep 26-28 1863 2179 Shasta Lassen Peak Comment
  UC77394  Polygonum shastense Mrs. R. M. Austin 1879-7-1 Shasta Lassen Peak; summit Comment
  UC850381  Polygonum shastense E. G. Anderson 1935-8-31 Shasta Lassen Peak Lassen Volcanic National Park 3048 Comment
  UC850383  Polygonum shastense Alice Eastwood Aug 22 1912-Aug 26 1912 1856 Shasta Lassen Butte Comment
  UCD100903  Polygonum shastense D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-8 s.n. Shasta Lassen Volcanic National Park; at Lassen Peak. 2600 Comment
  CHSC60291  Polystichum imbricans Mary Ann Showers 1992-6-26 2587 b Tehama Along West Sulphur Creek east of Sulphur Works Entrance Station. Lassen Volcanic National Park. 1828 Comment
  CHSC55792  Polystichum imbricans subsp. imbricans Vernon H. Oswald 1991-10-3 4879 Tehama West Bank of West Sulphur Creek, between Lassen Chalet and the Sulphur Works. Lassen Volcanic National Park. 2042 Comment
  CAS-BOT-BC72503  Polystichum scopulinum John Thomas Howell 1960-8-23 36463 Tehama Lassen Loop s. of Diamond Peak 2194 Comment
  CHSC61078  Polystichum scopulinum Vernon Oswald; Lowell Ahart 1993-7-27 5726 Shasta Slope S of the lower lake in Blue Lake Canyon. Lassen Volcanic National Park. 2072 Comment
  UC1258437  Polystichum scopulinum A. Lefebvre 1941-9-23 Shasta Crescent Cliffs; Lassen Nat'l Park Comment
  UCD110709  Populus tremuloides John Thomas Howell 1960-8-21 36302 Tehama Bluff Falls. 1981 Comment
  JEPS96620  Potamogeton gramineus Dean W. Taylor 1997-7-24 16158 Shasta Heart Lake; Lassen National Forest 2036 Comment
  UC220803  Potamogeton natans H. E. Brown Aug 15 1897-Aug 31 1897 644 Plumas near Lassen Buttes 1828 Comment
  GH355485  Potamogeton praelongus Mrs. R. M. Austin July 1879 Unknown Lassen's Peak Comment
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Dec 18 2015
  CHSC48858  Potentilla flabellifolia Vernon Oswald 1986-7-24 2226 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. On the edge of streamlet in a meadow. 2255 Comment
  CHSC60396  Potentilla flabellifolia Mary Ann Showers 1992-6-28 2681 Shasta Lassen Volcanic National Park. Tarn at base of cirque between Pilot Pinnacle and Mt. Diller. 2499 Comment
  UC494255  Potentilla flabellifolia Mrs. H. P. Bracelin 1932-7-24 690 Shasta shores of Emerald Lake Mt. Lassen National Park, Emerald Lake 2529 Comment
  UC860598  Potentilla flabellifolia Alice Eastwood Aug 22 1912-Aug 26 1912 1859 Shasta Lassen Butte Comment
  CHSC61998  Potentilla gracilis var. fastigiata Vernon H. Oswald 1993-9-7 5931 Shasta Lassen Volcanic National Park. N side of Little Hot Springs Valley, W of Lassen Hwy. (Hwy. 89). 2468 Comment
  CAS-BOT-BC163063  Prunus emarginata John Thomas Howell 1960-8-18 36044 Tehama Bluff Falls - near Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC163064  Prunus emarginata John Thomas Howell 1960-8-21 36310 Tehama Rocky slope 1/2 mi. se. of Sulphur Works - Lassen Volcanic National Park 2133 Comment
  CHSC60398  Prunus emarginata Mary Ann Showers 1992-6-26 2588 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC60399  Prunus emarginata Mary Ann Showers 1992-6-28 2641 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. Slopes between West and East Sulphur Creeks. 2072 Comment
  UCD113217  Prunus emarginata John Thomas Howell 1960-8-18 36044 Tehama Bluff Falls. 1981 Comment
  CHSC59170  Pseudognaphalium luteoalbum Vernon H. Oswald 1992-9-29 5225 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  NY63903  Pseudotsuga menziesii var. menziesii H. E. Brown 1897-8-15 674 Plumas Near Lassen Buttes 1828.8 Comment
  CAS-BOT-BC72519  Pteridium aquilinum John Thomas Howell 1960-8-18 36026 Tehama Bluff Falls 1981 Comment
  CHSC61392  Pteridium aquilinum var. pubescens Vernon H. Oswald; Lowell Ahart 1993-8-18 5846 Tehama Mt. Conard near the S boundary of Lassen Volcanic National Park. 2164 Comment
  UC876170  Pterospora andromedea E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  GH362958  Pyrola picta H. E. Brown 1897-08-15 - 1897-08-31 Unknown Lassen Buttes 1828 Comment
  UC334228  Pyrola picta J. G. Lemmon 1874-7-1 Shasta Lassen Peak, along the Sierra Lassen Peak; , along the Sierra Comment
  CAS-BOT-BC62429  Quercus chrysolepis H. E. Brown 1897-8-1 638 Plumas near Lassen Buttes 1828 Comment
  CAS-BOT-BC68675  Quercus chrysolepis Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CHSC60358  Quercus kelloggii Mary Ann Showers 1992-6-28 2632 Tehama Lassen Volcanic National Park. Andesite ridge east of Sulphur Works Entrance Station east of and above West Sulphur Creek. 1950 Comment
  POM106387  Quercus vacciniifolia Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1829 Comment
  CAS-BOT-BC362687  Raillardella argentea George W. Gillett 1957-8-10 1027 Shasta Lassen Volcanic National Park. Saddle between Ski Heil and Pilot Pinnacle; east exposure on Brokeoff Andesite (not seen on adjacent dacite of Lassen Peak) 2636 Comment
  CAS-BOT-BC362691  Raillardella argentea John Thomas Howell 1960-8-19 36156 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CHSC45700  Raillardella argentea Vernon Oswald 1986-8-4 2265 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2560 Comment
  CHSC60325  Raillardella argentea Mary Ann Showers 1992-6-28 2704 Shasta Lassen Volcanic National Park. Slow below Mt. Diller. 2560 Comment
  CHSC61407  Raillardella argentea Vernon H. Oswald; Lowell Ahart 1993-8-18 5830 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. On scree N of the highest point on the ridge. 2468 Comment
  GH518761  Raillardella argentea J. G. Lemmon 1875-1-1 Unknown Lassen's Peak Comment
  JEPS28745  Raillardella argentea George W. Gillett 1957-8-10 1027 Shasta saddle between Ski Heil and Pilot Pinnacle; Lassen Volcanic National Park 2636 Comment
  CHSC61408  Raillardella scaposa Vernon H. Oswald; Lowell Ahart 1993-8-18 5831 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. On scree N of the highest point on the ridge. 2468 Comment
  JEPS55035  Ranunculus alismifolius var. alismellus W. L. Jepson 1910-6-8 4095 Shasta Lassen Peak; lower slopes 2438 Comment
  UC54281  Ranunculus alismifolius var. alismellus H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4307 Shasta Mill Creek Canyon Mount Lassen 2438 Comment
  JEPS55080  Ranunculus alismifolius var. alismifolius W. L. Jepson 1910-6-8 4091 Shasta Lassen Peak; lower slopes 2164 Comment
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Apr 26 2009
  HSC18114  Ranunculus alismifolius var. hartwegii R. J. Vernimen 1963-5-4 49 Lassen 10 mi. N of Mineral on Hwy. 36 Comment
  SBBG15790  Ranunculus flammula D. Myrick 1961-6-24 356 Shasta just S of Park boundary on Mt Lassen Natl Park loop rd 1828 Comment
  JEPS55148  Ranunculus orthorhynchus var. orthorhynchus W. L. Jepson 1910-6-8 4087 Shasta Hot Springs Valley Lassen Peak 1706 Comment
  NY1104522  Ranunculus populago R. M. Austin 07 1879 s.n. Shasta Lassen's Peak Comment
  CAS-BOT-BC56581  Rhododendron columbianum Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC56584  Rhododendron columbianum M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  GH363039  Rhododendron columbianum B. B. Brues 1927-8-3 Unknown Lassen Park, on rocky ridge between Lake Helen and volcano cone 2651 Comment
  PASA1597  Rhododendron occidentale Margaret Stason 1932-6-23 450 Plumas road between mineral and viola Comment
  UC79748  Ribes R. M. Austin Aug. 1896 587 Shasta Lassens Peak Comment
  CAS-BOT-BC108708  Ribes cereum H. E. Brown 1897-8-1 601 Plumas Near Lassen Buttes. 1828 Comment
  UC224234  Ribes cereum H. E. Brown Aug. 1-15, 1897 601 Plumas near Lassen Buttes 1828 Comment
  A380497  Ribes montigenum A. Eastwood 1912-08-22 - 1912-08-26 1863 Unknown trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC212576  Ribes montigenum Hans Leschke 1961-8-18 1827 Shasta Summit Area of Diamond Peak Comment
  CAS-BOT-BC212585  Ribes montigenum John Thomas Howell 1960-8-19 36149 Tehama Brokeoff Mountain Trail 2682 Comment
  CHSC54490  Ribes montigenum Vernon H. Oswald 1991-7-22 4763 Shasta Lassen Volcanic National Park. In Blue Lake Canyon on the southeast side of the unnamed lake located ca. 0.25 mile west of Blue Lake, ca. 3 miles (air) west-southwest of Lassen Peak. 2057 Comment
  GH380514  Ribes montigenum A. Eastwood 1912-08-22 - 1912-08-26 1863 Unknown trail from Morgans Springs to Lassen Butte Comment
  JEPS49399  Ribes montigenum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2743 Comment
  CAS-BOT-BC212664  Ribes nevadense Alice Eastwood 1912-8-22 1806 Tehama Trail from Morgans [Morgan] Springs to Lassen Butte Comment
  NY455347  Ribes nevadense M. E. Jones 1897-7-7 s.n. Unknown Lassen's Peak 1828.8 Comment
  JEPS49150  Ribes roezlii W. L. Jepson 1927-6-22 12296 Shasta Hot Springs Valley Lassen Peak 1828 Comment
  JEPS49162  Ribes roezlii W. L. Jepson 1910-6-8 4084 Shasta slopes near Hot Spring Valley (near Lassen Pk.) 1828 Comment
  UC54299  Ribes roezlii H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4319 Shasta near Soupan Springs; Mount Lassen 2286 Comment
  CAS-BOT-BC168811  Ribes viscosissimum John Thomas Howell 1960-8-21 36305 Tehama Near Sulphur Works entrance, Lassen Volcanic National park 1996 Comment
  CAS-BOT-BC168812  Ribes viscosissimum John Thomas Howell 1961-6-20 36588 Tehama Bluff Falls, near Lassen Volcanic National park 1981 Comment
  UC54308 Image available Ribes viscosissimum H. M. Hall and E. B. Babcock 1903-6-29 4320 Shasta near Soupan Springs; Mount Lassen; near Soupan Springs, Canadian Zone, Shasta Co. 2286 Comment
  UCD102534  Ribes viscosissimum John Thomas Howell 1961-6-20 36588 Tehama Bluff Falls. 1981 Comment
  CHSC60359  Ribes viscosissimum var. hallii Mary Ann Showers 1992-6-26 2580 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC74675  Rorippa curvisiliqua R. M. Austin 1896-8-1 577 Shasta Lassens Peak. Comment
  CHSC61089  Rorippa curvisiliqua var. orientalis Vernon H. Oswald; Lowell Ahart 1993-7-27 5706 Shasta Lassen Volcanic National Park. Blue Lake Canyon, 0.2 mi E of the park boundary, between the trail and the N Fork of Bailey Creek. 1950 Comment
  CAS-BOT-BC147324  Rubus parviflorus John Thomas Howell 1960-8-21 s.n. Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC147355  Rubus parviflorus Alice Eastwood 1912-8-22 1786 Tehama Trail from Morgans Springs to Sulphur works, Lassen Butte region Comment
  UC1185299  Sagina saginoides H. E. Brown Aug 1 1897-Aug 15 1897 627 Plumas near Lassen Buttes 1828 Comment
  A382367  Salix arctica E. B. Copeland 1931-8-16 Unknown Mount Lassen, on the south shore of Emerald Lake Comment
  CAS-BOT-BC132740  Salix arctica C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 688 Shasta West shore of Emerald Lake, Lassen Volcanic National Park 2468 Comment
  CAS-BOT-BC132741  Salix arctica C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 688 Shasta West shore of Emerald Lake, Lassen Volcanic National Park 2468 Comment
  CAS-BOT-BC132742  Salix arctica E. B. Copeland 1931-8-16 s.n. Shasta Mount Lassen, on the south shore of Emerlad Lake 2370 Comment
  CAS-BOT-BC132743  Salix arctica John Thomas Howell 1960-8-23 36434 Shasta Emerald Lake 2468 Comment
  GH382366  Salix arctica E. B. Copeland 1931-8-16 Unknown Mount Lassen, on the south shore of Emerald Lake Comment
  POM219244  Salix arctica E. B. Copeland 1931-8-16 s.n. Shasta Mount Lassen, Shasta County. On the S shore of Emerald Lake 2370 Comment
  POM360940  Salix arctica E. B. Copeland 1931-8-16 s.n. Shasta Mount Lassen, Shasta County. On the S shore of Emerald Lake 2370 Comment
  RSA5638  Salix arctica E. B. Copeland 1931-8-16 s.n. Shasta Mount Lassen, Shasta County. On the S shore of Emerald Lake 2370 Comment
  CAS-BOT-BC102821  Salix boothii John Thomas Howell 1960-8-23 36449 Shasta Lassen Loop above Little Hot Springs Valley 2407 Comment
  CAS-BOT-BC102825  Salix boothii John Thomas Howell 1960-8-23 36448 Shasta Lassen Loop above Little Hot Springs Valley 2407 Comment
  CAS-BOT-BC102827  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 386 a Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CAS-BOT-BC102828  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 386 a Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CAS-BOT-BC102829  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 385 Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CAS-BOT-BC102830  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 382 Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CAS-BOT-BC102831  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 384 a Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2500 Comment
  CAS-BOT-BC102832  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 384 b Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2500 Comment
  CAS-BOT-BC102833  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 383 Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2500 Comment
  CAS-BOT-BC102834  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 385 Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CAS-BOT-BC102835  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 384 a Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2500 Comment
  CAS-BOT-BC102836  Salix boothii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 384 b Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CAS-BOT-BC102837  Salix boothii C. R. Ball; H. P. Bracelin; Beryl Kautz 1931-5-30 386 a Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CAS-BOT-BC102838  Salix boothii C. R. Ball; H. P. Bracelin; Beryl Kautz 1931-5-30 382 Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CAS-BOT-BC102839  Salix boothii C. R. Ball; H. P. Bracelin; Beryl Kautz 1931-5-30 383 Shasta Mount Lassen, above highway about 1.5 km. west of Helen Lake 2370 Comment
  CHSC46592  Salix boothii Vernon H. Oswald 1989-7-24 3887 Shasta Crumbaugh Lake, Lassen Volcanic Park. 2194 Comment
  POM218989  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 382 Shasta Mount Lassen. Above Hwy about 1.5 km W of Helen Lake. 2370 Comment
  POM218990  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 383 Shasta Mount Lassen. Above Hwy about 1.5 km W of Helen Lake. 2370 Comment
  POM218991  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 384 -a Shasta Mount Lassen. Above hwy about 1.5 km W of Helen Lake. 2500 Comment
  POM218992  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 384 b Shasta Mount Lassen. Above Hwy about 1.5 km W of Helen Lake. 2370 Comment
  POM218995  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 386 -a Shasta Mount Lassen. Above Hwy about 1.5 km W of Helen Lake. 2370 Comment
  POM362897  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 384 -b Shasta Mount Lassen. Above Hwy about 1.5 km W of Helen Lake. 2370 Comment
  POM362899  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 385 Shasta Mount Lassen. Above Hwy about 1.5 km W of Helen Lake. 2370 Comment
  RSA31765  Salix boothii A. A. Heller 1942-8-3 16513 Plumas The Drinking Fountain above Little Hot Springs. Lassen Park. Comment
  RSA5711  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 385 Shasta Mount Lassen. Above Hwy about 1.5 km W of Helen Lake. 2370 Comment
  RSA5712  Salix boothii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 382 Shasta Mount Lassen. Above Hwy about 1.5 km W of Helen Lake. 2370 Comment
  SD967  Salix boothii Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-30 382 Shasta Mount Lassen, about 1.5 km west of Helen Lake 2370 Comment
  SD969  Salix boothii Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-30 385 Shasta Mount Lassen, below spring above highway about 1.5 km west of Helen Lake 2370 Comment
  UC1543688  Salix boothii Harold and Virginia Bailey 1948-8-27 2954 Shasta Loop Hwy. at water fountain below Emerald Lake; Lassen Volcanic Nat'l Park 2438 Comment
  UC1713672  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 Shasta ca. 1.5 km w of Helen Lake (below spring above hwy); Mt. Lassen 2370 Comment
  UC482007  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 382 Shasta ca. 1.5 km. w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482008  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 382 Shasta ca. 1.5 km. w Helen Lake (below spring above hwy., 2 mi below base of Mt. Lassen); Mt. Lassen 2370 Comment
  UC482009  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 382 Shasta ca. 1.5 km. w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482010  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 383 Shasta ca. 1.5 km. w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482011  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 383 Shasta ca. 1.5 km. w Helen Lake (below spring above hwy., 2 mi below base of Mt. Lassen); Mt. Lassen 2370 Comment
  UC482012  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 384 a Shasta ca. 1.5 km. w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482013  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 384 a Shasta ca. 1.5 km. w Helen Lake (below spring above hwy., 2 mi below base of Mt. Lassen); Lassen Nat'l Park, Mt. Lassen 2370 Comment
  UC482014  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 384 b Shasta ca. 1.5 km w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482015  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 384 b Shasta ca. 1.5 km w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482016  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 384 b Shasta ca. 1.5 km. w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482017  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 386 b Shasta ca. 1.5 km w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482018  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 386 b Shasta ca. 1.5 km w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482019  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 385 Shasta ca. 1.5 km w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482020  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 385 Shasta ca. 1.5 km w Helen Lake (below spring above hwy., 2 mi below base of Mt. Lassen); Mt. Lassen 2370 Comment
  UC482021  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 385 Shasta ca. 1.5 km w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482022  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 386 a Shasta ca. 1.5 km. w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482023  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 386 a Shasta ca. 1.5 km. w Helen Lake (below spring above hwy., 2 mi below base of Mt. Lassen); Lassen Nat'l Park, Mt. Lassen 2370 Comment
  UC482024  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 386 a Shasta ca. 1.5 km w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC482025  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 386 a Shasta ca. 1.5 km. w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UCD110734  Salix boothii C. R. Ball; Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 384 b Shasta Mount Lassen, above highway about 1.5 km west of Helen Lake. 2370 Comment
  UCD110745  Salix boothii John Thomas Howell 1960-8-23 36448 Shasta Lassen Loop above Little Hot Springs Valley. 2407 Comment
  UCR143517  Salix boothii C. R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-30 382 Shasta Mount Lassen, below spring above hwy about 1.5 km west of Lake Helen 2370 Comment
  A382476  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 382 Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  A382526  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 384 a Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  A382527  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 384 b Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  A382528  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 385 Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  A382529  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 386 a Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  GH382477  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 383 Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  GH382478  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 384 a Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  GH382479  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 384 b Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  GH382480  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 386 a Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  GH382481  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 386 b Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  GH382506  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 385 Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  GH382546  Salix eastwoodiae C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-30 382 Unknown Mount Lassen, below spring above highway about 1.5 km. west of Helen Lake Comment
  UC1713677  Salix eastwoodiae C. R. Ball, Mrs. H. P. Bracelin, and <Berly> Kautz 1931-5-30 Shasta ca. 1.5 km. w Helen Lake (below spring above hwy.); Mt. Lassen 2370 Comment
  UC726951  Salix eastwoodiae A. A. Heller 1942-8-3 16513 Plumas at drinking fountain above Little Hot Springs Valley; Lassen Park Comment
  A383161  Salix jepsonii C. R. Ball, Emily Smith & N. F. Bracelin 1923-7-23 673 Unknown Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC106884  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 691 Shasta near Sulphur Springs, Lassen Volcanic National Park Comment
  CAS-BOT-BC106885  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 691 Shasta near Sulphur Springs, Lassen Volcanic National Park Comment
  CAS-BOT-BC106890  Salix jepsonii John Thomas Howell 1961-6-20 36564 Shasta Lassen Highway east of Diamond Peak Comment
  CAS-BOT-BC106893  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 679 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC106894  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 679 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC106895  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC106896  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC106897  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC106898  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC106899  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  LA208710  Salix jepsonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen hwy, 8 mi NE of Mineral 1981 Comment
  POM209471  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 682 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM209472  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 679 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM209473  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 678 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM209476  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Hwy. 8 miles NE of Mineral. 1982 Comment
  RSA13623  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 679 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  SBBG27478  Salix jepsonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt Lassen Highway, 8.9 mi from Mineral 1981 Comment
  SBBG59103  Salix jepsonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  SJSU265  Salix jepsonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt Lassen Hwy 8 mi NE of Mineral 1981 Comment
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Jul 6 2009
  UC525923  Salix jepsonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Highway, 0.6 miles north of Sulphur Works Checking Station Lassen Volcanic National Park 2042 Comment
  UC525924  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Hwy. 0.6 mi n of Sulphur Works Checking Station; Lassen Volcanic Nat'l Park 2042 Comment
  UC525936  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 679 Tehama Mt. Lassen Hwy. 8.9 mi from Mineral; Lassen Volcanic Nat'l Park 2011 Comment
  UC525938  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Hwy. 8.9 mi from Mineral; Lassen Volcanic Nat'l Park 2011 Comment
  UC525939  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Hwy. 8.9 mi from Mineral; Lassen Volcanic Nat'l Park 2011 Comment
  UC525943  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 673 Tehama 8 mi n.e Mineral (Mt. Lassen Hwy.) 1981 Comment
  UC525945  Salix jepsonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  UCD111089  Salix jepsonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Highway 8.9 miles from Mineral. Lassen Volcanic National Park. 2011 Comment
  UCD111094  Salix jepsonii John Thomas Howell 1960-8-21 36312 Shasta Lassen Loop east of Diamond Peak. 2225 Comment
  UCD111095  Salix jepsonii John Thomas Howell 1961-6-20 36564 Shasta Lassen Highway east of Diamond Peak. Comment
  CAS-BOT-BC128173  Salix lasiandra var. lasiandra Hans Leschke 1960-8-8 1736 Lassen Below trail ski hut, Crumbaugh Lake 1981 Comment
  A383889  Salix lemmonii C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-24 683 Unknown Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  A383890  Salix lemmonii C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-23 681 Unknown Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  A383891  Salix lemmonii C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-23 680 Unknown Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  A383915  Salix lemmonii C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-23 672 Unknown Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  A383947  Salix lemmonii C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-31 391 Unknown 15 km. northeast of Mineral, on wet bank above Lassen Highway Comment
  CAS-BOT-BC124907  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 391 Tehama 15 km. northeast of Mineral; above Lassen Highway 2000 Comment
  CAS-BOT-BC124908  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 686 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124909  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station, Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC124910  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124911  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124912  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124913  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124914  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124916  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 677 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124917  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 677 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124918  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 676 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124919  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 676 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124920  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124921  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124922  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124923  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124924  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124925  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124926  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC124927  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 686 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124928  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124929  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124930  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 391 Tehama 15 km. northeast of Mineral; above Lassen Highway 2000 Comment
  CAS-BOT-BC124932  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC124937  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124938  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124940  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC124941  Salix lemmonii John Thomas Howell 1960-8-18 36096 Tehama Sulphur Works Entrance Station 2011 Comment
  GH383936  Salix lemmonii C. R. Ball, N. F. Bracelin & Beryl Kautz 1931-5-31 391 Unknown 15 km. northeast of Mineral, on wet bank above Lassen Highway Comment
  JEPS14799  Salix lemmonii W. L. Jepson 1910-6-6 4081 Shasta near Lassen Peak Hot Springs Valley 1828 Comment
  LA208884  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  LA208885  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen hwy, 8 mi NE of Mineral 1981 Comment
  LA208886  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  LA208887  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Lassen Volcanic National Park, Mt. Lassen Hwy., 0.6 mi. N of Sulphur Works Checking Station 2042 Comment
  LA208888  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Lassen Volcanic National Park, Mt. Lassen Hwy., 0.6 mi. N of Sulphur Works Checking Station 2042 Comment
  LA208895  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  POM106707  Salix lemmonii Marcus E. Jones 1897-7-8 s.n. Shasta Lassen Peak. 1829 Comment
  POM209469  Salix lemmonii Carleton R. Ball 1932-7-24 687 Lassen Mt. Lassen Highway. 0.6 mile N of Sulphur Works Checking Station. Lassen Volcanic National Park. 1982 Comment
  POM209470  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 685 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM209474  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 677 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM209475  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 676 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM209477  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Hwy. 8 miles NE of Mineral. 1982 Comment
  POM209537  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway. 8 miles NE of Mineral. 2043 Comment
  POM209555  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 684 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM209557  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 683 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM209558  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 686 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM218996  Salix lemmonii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-31 391 Tehama 15 km NE of Mineral. Above Lassen Highway. 2000 Comment
  POM362823  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 684 Lassen Mt. Lassen Hwy. 0.6 mile N of Sulfur Works Checking Station. Lassen Volcanic National Park. 2043 Comment
  POM362826  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway. 8 miles NE of Mineral. 2043 Comment
  SBBG27355  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG27407  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 686 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27409  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 1981 Comment
  SBBG27410  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27412  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27413  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27427  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  SBBG54662  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG54687  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG54688  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG54691  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57897  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG57899  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57900  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57901  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57915  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SJSU159  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  SJSU168  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
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Jul 21 2009
  SJSU224  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
  SJSU228  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SJSU239  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy,8 mi NE of Mineral 2042 Comment
  SJSU264  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy,8 mi NE of Mineral 2042 Comment
  SJSU266  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
  UC482026  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 391 Tehama 15 km. n.e. Mineral (above Lassen Hwy.) 2000 Comment
  UC482327  Salix lemmonii Ball, Bracelin and Kautz 1931-5-31 392 Tehama 15 km. n.e. Mineral (on Lassen Hwy.) 2000 Comment
  UC525910  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 687 Shasta 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 1981 Comment
  UC525911  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 686 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525912  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 686 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525913  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 685 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy. below hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525914  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 685 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy. below hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525915  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525916  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525917  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525918  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525919  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525920  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525921  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 683 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525922  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 683 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525925  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 681 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525926  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 681 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525927  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 681 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525929  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 680 Tehama 8 mi n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525933  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 680 Tehama 8 mi. n.e. Mineral (Mt.Lassen Hwy.) 2042 Comment
  UC525940  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 677 Tehama 8.9 mi. from Mineral (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2011 Comment
  UC525941  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 676 Tehama Mt. Lassen highway 8.9 miles from Mineral Lassen Volcanico National Park 2011 Comment
  UC525947  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 672 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 1981 Comment
  UC525948  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 672 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 1981 Comment
  UCR66566  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Hwy, 8 miles northeast of Mineral 2043 Comment
  LA208553  Salix petrophila E. B. Copeland; 1931-8-16 M- 24 Shasta Mount Lassen, on the S shore of Emerald Lake 2370.0 Comment
  SBBG57962  Salix petrophila E. B. Copeland 1931-8-16 Shasta Mount Lassen on S shore of Emerald Lake 2370 Comment
  SD906  Salix petrophila E. B. Copeland 1931-8-16 Shasta Mount Lassen, definite narrow area south shore of Emerald Lake 2370 Comment
  UC436311  Salix petrophila E. B. Copeland 1930-8-5 Shasta beside lake Mt. Lassen 2700 Comment
  UC481250  Salix petrophila E. B. Copeland 1931-8-16 Shasta s shore Emerald Lake; Mt. Lassen 2370 Comment
  UC481251  Salix petrophila E. B. Copeland 1931-8-16 Shasta s shore Emerald Lake; Mt. Lassen 2370 Comment
  UC525909  Salix petrophila C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 688 Shasta w shor Emerald Lake; Lassen Volcanic Nat'l Park 2468 Comment
  POM218993  Salix pseudomonticola Carleton R. Ball, Beryl Kautz, H. P. Bracelin 1931-5-30 385 Shasta Shasta County: Mount Lassen, alt 2370m. Comment
  A384564  Salix scouleriana C. R. Ball, Emily Smith & N. F. Bracelin 1932-7-23 671 Unknown Mt. Lassen Highway, 7.9 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC126172  Salix scouleriana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt. Lassen HIghway, 7.9 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC126173  Salix scouleriana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC126175  Salix scouleriana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt. Lassen Highway, 7.9 miles northeast of Mineral; Bluff Falls 1981 Comment
  CAS-BOT-BC129032  Salix scouleriana John Thomas Howell 1961-6-20 36576 Tehama Sulphur Works entrance - Lassen Volcanic National Park 2011 Comment
  LA208923  Salix scouleriana C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Sierra Nevada, Mt. Lassen hwy, 7.9 mi NE of Mineral 1981 Comment
  POM209478  Salix scouleriana Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy. 7.9 miles NE of Mineral. 1982 Comment
  SBBG27422  Salix scouleriana C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy, 7.9 mi NE of Mineral 1981 Comment
  SBBG57983  Salix scouleriana C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy, 7.9 mi NE of Mineral 1981 Comment
  SJSU158  Salix scouleriana C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy 7.9 mi NE of Mineral 1981 Comment
  UC525949  Salix scouleriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 671 Tehama 7.0 mi. n.e. Mineral (Mt. Lassen Hwy., rock slide below waterfall) 1981 Comment
  UC525950  Salix scouleriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 671 Tehama 7.0 mi. n.e. Mineral (Mt. Lassen Hwy., rock slide below waterfall) 1981 Comment
  UCD111832  Salix scouleriana C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral. 2042 Comment
  GH386252  Sambucus racemosa Mrs. R. M. Austin 1852-08-01 - 1852-09-01 Unknown Lassen's Peak Comment
  SD6585  Sambucus racemosa Mrs. R. M. Austin Oct 1882 Shasta Lassen Peak. 2740 Comment
  CHSC60348  Sambucus racemosa var. microbotrys Mary Ann Showers 1992-6-28 2697 Shasta Lassen Volcanic National Park. Andesite cliffs west of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  JEPS29546  Sambucus racemosa var. microbotrys John Thomas Howell 1961-6-20 36587 Tehama Bluff Falls; near Lassen Volcanic National Park 1981 Comment
  UC1543755  Sambucus racemosa var. microbotrys Harold and Virginia Bailey 1948-8-28 3067 Shasta Sulphur Works Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC235078  Sambucus racemosa var. racemosa John Thomas Howell 1961-6-20 36587 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC235079  Sambucus racemosa var. racemosa John Thomas Howell 1960-8-21 36303 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  SJSU488  Sambucus racemosa var. racemosa G. Witherspoon 1940-6-29 2157 Shasta near Sulphur Works, Lassen Volcanic National Park 2042 Comment
  CHSC60299  Sanicula graveolens Mary Ann Showers 1992-6-26 2592 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC60300  Sanicula graveolens Mary Ann Showers 1992-6-28 2638 Shasta Lassen Volcanic National Park. Mill Creek Falls Trail. South-facing slopes between West and East Sulphuf Creeks. 2072 Comment
  UC1036247  Sanicula graveolens George W. Gillett 1952-7-14 73 Shasta vicinity of sulphur works, near buildings Lassen Volcanic National Park 2133 Comment
  UC1036270  Sanicula graveolens George W. Gillett 1952-7-14 74 Shasta 1 mi below sulphur works (on upper side of highway); Lassen Volcanic National Park 2133 Comment
  SEINET3240015  Santalaceae R. L. Mathiasen 2010-1 1034 Tehama 3.8 km N of jct. of Routes 89 and 36 on Rte. 89. Ca. 3 km S of S entrance of Lassen Nat. Park. 1900 Comment
  UC1543721  Sarcodes sanguinea Harold and Virginia Bailey 1948-8-28 3057 Tehama near Sulphur Creek campground (Lassen Volcanic Nat'l Park); Lassen Volcanic Nat'l Park 2011 Comment
  CAS-BOT-BC6051  Saxifraga aprica R. M. Austin 1882-8-1 s.n. Shasta Lassen's Peak Comment
  UC137155  Saxifraga aprica Mrs. R. M. Austin Aug. 1896 405 Shasta Lassens Peak Comment
  JEPS28758  Saxifraga bryophora George W. Gillett 1957-8-13 1052 Tehama 1/4 mi above Sulphur Works Checking Station (Brokeoff Mountain Trail); Lassen Volcanic National Park, Brokeoff Mountain Trail 2072 Comment
  UC1326246  Saxifraga bryophora Milo S. Baker 1947-8-12 11967 Shasta across Hwy 89 from Emerald Lake (Mount Lassen National Park); Mount Lassen National Park 2438 Comment
  UC858692  Saxifraga bryophora Alice Eastwood Aug 22 1912-Aug 26 1912 1824 Shasta Lassen Butte Comment
  GH381257  Saxifraga fallax Mrs. R. M. Austin 1882-08-01 - 1882-09-01 Unknown Lassen's Peak Comment
  UC1543697  Saxifraga fallax Harold and Virginia Bailey 1948-8-27 3047 b Shasta Loop Hwy at water fountain below Emerald Lake (Lassen Volcanic National Park); Lassen Volcanic National Park 2438 Comment
  RSA83962  Saxifraga nidifica F. W. Peirson 1926-6-23 6832 Shasta Along trail near meadows on way to summit of Mt. Lassen. Mt. Lassen National Park. Comment
  POM213959  Saxifraga odontoloma H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. Above West Sulphur Creek. 2000 Comment
  UC1543695  Saxifraga odontoloma Harold and Virginia Bailey 1948-8-27 2952 Shasta Loop Highway at water fountain below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  UC591532  Saxifraga odontoloma H. F. Copeland 1935-7-29 Shasta above West Sulphur Creek (Mount Lassen); Mount Lassen 2000 Comment
  JEPS47640  Saxifraga oregana W. L. Jepson 1927-6-22 12297 Shasta Lassen Peak, Hot Springs Valley Hot Springs Valley; Lassen Peak, Hot Springs Valley 1828 Comment
  JEPS28727  Saxifraga tolmiei George W. Gillett 1957-8-8 985 Shasta beyond first switchback above the Hemlock Flat (Lassen Peak); Lassen Volcanic National Park, Lassen Peak 2651 Comment
  JEPS47496  Saxifraga tolmiei W. L. Jepson 1929-9-29 15325 Shasta nw slope of Lassen Peak 2682 Comment
  UC1036326  Saxifraga tolmiei George W. Gillett 1952-8-16 192 Shasta Lassen Peak, summit area Lassen Peak; Lassen Volcanic National Park, Lassen Peak 3048 Comment
  UC1061692  Saxifraga tolmiei George W. Gillett 1952-8-9 156 Shasta n slope of east shoulder of Lassen Peak; Lassen Volcanic National Park, Lassen Peak 2743 Comment
  UC11854  Saxifraga tolmiei W. H. Brewer 1863-9-28 2181 Shasta Lassens Peak 2743 Comment
  UC1579556  Saxifraga tolmiei Harold and Virginia Bailey 1948-8-27 2950 a Shasta ridge overlooking Lake Helen, along trail from Lassen Peak parking area Lassen Volcanic National Park 2590 Comment
  UC532198  Saxifraga tolmiei Herbert F. Copeland 1931-8-9 Shasta Mount Lassen, near timber line Mount Lassen 2438 Comment
  UC570029  Saxifraga tolmiei H. A. Jensen 1934-10-6 386 Shasta Bumpas Mountain 2651 Comment
  UC858836  Saxifraga tolmiei E. G. Anderson 1935-8-28 Shasta Crescent Cliffs; Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CHSC117582  Sceptridium multifidum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21364 Tehama Wet area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CAS-BOT-BC35552  Scirpus congdonii John Thomas Howell 1960-8-18 36080 Tehama Bluff Falls 1981 Comment
  CHSC60452  Scirpus diffusus Mary Ann Showers 1992-6-26 2575 Tehama Lassen Volcanic National Park. Above canyon bottom east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC59146  Scirpus microcarpus Vernon H. Oswald 1992-8-19 5164 Tehama Lassen Volcanic National Park. Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy., ca. 0.5 mi NW of the Southwest Entrance Station. 2194 Comment
  CHSC60453  Scirpus microcarpus Mary Ann Showers 1992-6-26 2594 Tehama Lassen Volcanic National Park. At edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC363324  Senecio aronicoides Alice Eastwood 1912-8-22 1819 Lassen Foot of Lassen Butte, Lassen Butte Region Comment
  CAS-BOT-BC363433  Senecio aronicoides John Thomas Howell 1960-8-19 36119 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2346 Comment
  UC91638  Senecio aronicoides Mrs. R. M. Austin July 1896 4080 Shasta Lassen Peak Comment
  HSC40171  Senecio fremontii Thomas W. Nelson, Jane P. Nelson 1976-8-1 3122 Shasta Lassen Volcanic National Park, at head of trail to Lassen Peak Comment
  RSA302675  Senecio fremontii J. R. Shevock 1972-7-25 2207 Shasta Summit Lassen Peak 3110 Comment
  SD8771  Senecio fremontii Mrs. R. M. Austin 1882-8-10 Shasta Lassen's Peak 2745 Comment
  UCD67775  Senecio fremontii Collector unknown 1996-9-8 Shasta Lassen Volcanic National Park. Perennial plant communities in rocky and dry slopes at Lassen Peak. 3040 Comment
  CAS-BOT-BC363588  Senecio fremontii var. fremontii Hans Leschke 1954-9-22 s.n. Shasta Lassen Volcanic National Park. Top of Brokeoff Mt. 2813 Comment
  CAS-BOT-BC363592  Senecio fremontii var. fremontii John Thomas Howell 1960-8-19 36193 Tehama Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2804 Comment
  CHSC43634  Senecio fremontii var. fremontii Vernon Oswald 1986-7-30 2260 Shasta Lassen Hwy between Lake Helen and the summit trailhead, Lassen Volcanic National Park. 2560 Comment
  CHSC45772  Senecio fremontii var. fremontii Vernon Oswald 1986-7-24 2232 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  CHSC60327  Senecio fremontii var. fremontii Mary Ann Showers 1992-6-28 2700 Lassen Lassen Volcanic National Park. Cliffs west of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  JEPS28781  Senecio fremontii var. fremontii George W. Gillett 1957-8-17 1080 Shasta above Lake Helen; Lassen Volcanic National Park, Helen Mountain 2590 Comment
  UC91417  Senecio fremontii var. fremontii Mrs. R. M. Austin Jul 1896 555 Shasta Lassens Peak Comment
  CAS-BOT-BC363639  Senecio fremontii var. occidentalis A. R. Kruckeberg 1954-8-5 3705 Shasta Along trail to Lassen Peak, from Helen Lake. Lassen Volcanic National Park 2590 Comment
  CAS-BOT-BC363640  Senecio fremontii var. occidentalis George W. Gillett 1957-8-17 1080 Shasta Lassen Volcanic National Park. Helen Mountain. Southwest exposure above Lake Helen 2590 Comment
  CAS-BOT-BC363641  Senecio fremontii var. occidentalis Lewis S. Rose 1945-9-7 45266 Shasta Bumpas Hot Springs 2529 Comment
  JEPS3728  Senecio fremontii var. occidentalis George Gillett 1952-8-9 161 Shasta near summit of Lassen Peak (on e shoulder); Lassen Volcanic National Park, Lassen Peak 3048 Comment
  UC195872  Senecio fremontii var. occidentalis unknown Sep 1874 3 & 4 Shasta Lassens Peak, N. Cal. Comment
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May 23 2013
  UC335850  Senecio fremontii var. occidentalis unknown Sept 1874 Shasta Lassen Peak Summit Comment
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May 23 2013
  UC604412  Senecio fremontii var. occidentalis unknown 1922-1 Shasta Lassen Peak 2743 Comment
  CAS-BOT-BC363729  Senecio hydrophilus H. E. Brown 1897-8-1 606 Plumas Near Lassen Buttes 1828 Comment
  CAS-BOT-BC363798  Senecio integerrimus Clare B. Hardham 1961-6-16 7472 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CAS-BOT-BC333010  Senecio scorzonella John Thomas Howell 1960-8-21 36316 Shasta Lassen Loop east of Diamond Peak, Lassen Volcanic National Park 2225 Comment
  CAS-BOT-BC341226  Senecio scorzonella Alice Eastwood 1912-8-22 1830 a Tehama Trail from Morgans Sprgs, Lassen Butte Region Comment
  CHSC45770  Senecio scorzonella Vernon Oswald 1986-7-28 2245 Shasta Trail between Bumpass Hell and Cold Boiling Lake, Lassen Volcanic National Park. 2316 Comment
  JEPS37271  Senecio triangularis Chesnut and Drew Shasta Lassen Peak Comment
  UC726786  Senecio triangularis A. A. Heller 16294 Tehama Sulphur Works checking station Lassen Volcanic National Park Comment
  CHSC48912  Sibbaldia procumbens Vernon Oswald 1986-7-28 2250 Shasta Emerald Lake, Lassen Volcanic National Park. On the edge of the lake. 2462 Comment
  JEPS28724  Sibbaldia procumbens George W. Gillett 1957-8-8 981 Shasta lower se-slopes Lassen Peak (beyond first switchback above the Hemlock Flat); Lassen Volcanic National Park 2651 Comment
  UC481508  Sibbaldia procumbens H. F. Copeland 1931-8-9 Shasta Mt. Lassen 2590 Comment
  UC639594  Sibbaldia procumbens Mrs. H. P. Bracelin 1932-7-24 689 Shasta Emerald Lake; Lassen National park 2529 Comment
  CHSC60367  Sidalcea oregana subsp. spicata Mary Ann Showers 1992-6-27 2661 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  JEPS67260  Sidalcea oregana subsp. spicata Jos. Grinnell 1925-8-1 Shasta Lassen Peak trail trail to Mt. Lassen, Lassen Peak trail 2286 Comment
  UC1543864  Sidalcea oregana subsp. spicata Harold and Virginia Bailey 1948-8-28 3063 a Shasta Sulphur Works Lassen Volcanic National Park, Sulphur Works 2133 Comment
  UC725426  Sidalcea oregana subsp. spicata A. A. Heller 1942-8-14 16528 Shasta between Summit Lake and Devastation Area (Lassen Volcanic National Park); Lassen Volcanic National Park Comment
  JEPS50916  Silene bernardina W. L. Jepson 1910-6-8 4097 Shasta Lassen Pk Lassen Pk. Hot Springs Valley 1828 Comment
  LA84357  Silene bernardina O. H. Kappler; 1949-7-27 2009 Shasta Mount Lassen, Lassen National Park 1859 Comment
  CAS-BOT-BC136292  Silene douglasii John Thomas Howell 1960-8-19 36138 Tehama Brokeoff Mt. Trail 2438 Comment
  CAS-BOT-BC386970  Silene douglasii M. S. Jussel 1931-9-7 s.n. Shasta Bumpass Hell Trail, Mt lassen 2286 Comment
  CAS-BOT-BC386972  Silene douglasii John Thomas Howell 1960-8-19 36172 Shasta Summit ridge Brokeoff Mt. 2773 Comment
  CAS-BOT-BC386999  Silene douglasii David W. Showers 1980-8-14 4397 Shasta In devastated area on ne slope of Lassen Peak, Lassen Volcanic National park 2560 Comment
  CAS-BOT-BC387000  Silene douglasii Mary Ann Showers 1980-7-31 1957 Shasta SE slope of Loomis Peak, Lassen Volcanic National park 2438 Comment
  CHSC60352  Silene douglasii Mary Ann Showers 1992-6-28 2699 Shasta Lassen Volcanic National Park. West of Soda Lake and below tarn at base of north facing cirque between Pilot Pinnacle and Mt. Diller. 2438 Comment
  CHSC60353  Silene douglasii Mary Ann Showers 1992-6-26 2590 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  JEPS28430  Silene douglasii George W. Gillett 1957-8-11 1031 Shasta Pilot Pinnacle Lassen Volcanic National Park, Pilot Pinnacle (s crags just below the summit) 2706 Comment
  JEPS28443  Silene douglasii George W. Gillett 1957-8-13 1069 Tehama rock-strewn s exposure of upper Brokeoff formation Lassen Volcanic National Park, Brokeoff Mountain (Brokeoff Mountain) 2743 Comment
  UC725546  Silene douglasii A. A. Heller 1941-8-16 16297 Shasta along the Bumpas Hell trail a short distance from the parking place; along the Bumpas Hell trail 2438 Comment
  CHSC48267  Silene douglasii var. douglasii Vernon Oswald 1986-7-24 2234 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  UCD98601  Silene douglasii var. douglasii John Thomas Howell 1960-8-19 36138 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  UCD98608  Silene douglasii var. douglasii Mary Ann Showers 1980-7-31 1957 Shasta SE slope of Loomis Peak, Lassen Volcanic National Park. 2438 Comment
  CHSC61418  Silene invisa Vernon H. Oswald; Lowell Ahart 1993-8-18 5814 Tehama Lassen Volcanic National Park. Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. On the edge of a meadow at one of the headwaters of Canyon Creek. 2109 Comment
  CAS-BOT-BC389411  Silene lemmonii Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  CAS-BOT-BC389412  Silene lemmonii Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak 1828 Comment
  JEPS50999  Silene lemmonii W. L. Jepson 1910-6-8 4096 Shasta Hot Springs Valley Lassen Pk, Hot Springs Valley 1828 Comment
  CAS-BOT-BC181352  Silene occidentalis Alice Eastwood 1912-8-22 1809 Shasta Trail from Morgan's Springs to Lassen Butte Comment
  GH376688  Silene occidentalis A. Eastwood 1912-08-22 - 1912-08-26 1809 Unknown Trail from Morgans Springs to Lassen Butte Comment
  CHSC54523  Silene occidentalis subsp. occidentalis Vernon H. Oswald 1991-7-22 4756 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.1 mile east of the park boundary, ca. 3.5 miles (air) west-southwest of Lassen Peak. Near the beginning of the trail. 1950 Comment
  CHSC61419  Silene occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-18 5851 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park, W of Spencer Mdw. 2057 Comment
  UC852930  Silene occidentalis subsp. occidentalis Alice Eastwood Aug 22 1912-Aug 26 1912 1809 Shasta trail from Morgans Springs to Lassen Butte; trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC175042  Silene suksdorfii David W. Showers 1979-9-11 4354 Shasta Below summit area of Lassen Peak, Lassen Volcanic National Park 3048 Comment
  CAS-BOT-BC175043  Silene suksdorfii George W. Gillett 1953-8-27 353 Shasta Summit area of Lassen Peak. Lassen Volcanic National Park 3108 Comment
  CAS-BOT-BC175044  Silene suksdorfii George W. Gillett 1953-8-27 353 Shasta Summit area of Lassen Peak. Lassen Volcanic National Park 3108 Comment
  CAS-BOT-BC175045  Silene suksdorfii John Thomas Howell 1960-8-19 36171 Shasta Summit ridge, Brokoff Mt. 2773 Comment
  CAS-BOT-BC175047  Silene suksdorfii David W. Showers 1980-8-14 4399 dws Shasta Ne slope of Lassen Peak in Devastated Area, Lassen Volcanic National Park 2590 Comment
  CAS-BOT-BC175048  Silene suksdorfii David W. Showers 1980-8-14 4400 dws Shasta Ne slope of Lassen Peak in Devastated Area, Lassen Volcanic National Park 2590 Comment
  CAS-BOT-BC175049  Silene suksdorfii Mary Ann Showers 1980-7-31 1956 Shasta On south side of summit of Loomis Peak, Lassen Volcanic National Park 2560 Comment
  CAS-BOT-BC175050  Silene suksdorfii Mary Ann Showers 1980-8-18 2004 Shasta Below summit of Lassen Peak (above latrines) on south -sw-facing slopes. Lassen Volcanic National Park 3078 Comment
  CAS-BOT-BC175051  Silene suksdorfii Mary Ann Showers 1980-8-17 2000 Shasta On north and nw-facing slopes of Bumpass Mt. Lassen Volcanic National Park 2651 Comment
  CHSC48270  Silene suksdorfii Vernon Oswald 1986-8-11 2280 Shasta Summit of Lassen Peak Trail. At the top of the mountain. 3121 Comment
  UC1024363  Silene suksdorfii George W. Gillett 1952-9-1 245 Shasta summit area of Lassen Peak Lassen Volcanic National Park, summit area Lassen Peak (s slope, Lassen Volcanic National Park) 3108 Comment
  UC1036214  Silene suksdorfii George W. Gillett 1953-8-27 353 Shasta summit area of Lassen Peak Lassen Volcanic National Park, summit area Lassen Peak (s slope, Lassen Volcanic National Park) 3108 Comment
  UC1036310  Silene suksdorfii George W. Gillett 1952-8-9 159 Shasta e shoulder of Lassen Peak , e shoulder Lassen Peak (Lassen Volcanic National Park) 2819 Comment
  UC1036325  Silene suksdorfii George W. Gillett 1952-8-16 190 Shasta summit area of Lassen Peak Lassen Volcanic National Park, summit area Lassen Peak (se face of peak, Lassen Volcanic National Park) 3048 Comment
  UC604400  Silene suksdorfii unknown 1922-1 Shasta Lassen Peak Sierra Nevada, Lassen Peak 2865 Comment
  UCD99023  Silene suksdorfii David W. Showers 1980-8-14 4405 dws Shasta between Lassen Peak and Crescent Crater. Lassen Volcanic National Park. 2590 Comment
  UCD99025  Silene suksdorfii Mary Ann Showers 1980-8-18 2004 Shasta below summit of Lassen Peak (above latrines) on south to SW-facing slopes. Lassen Volcanic National Park. 3078 Comment
  CHSC59175  Sisymbrium orientale Vernon H. Oswald 1992-9-29 5222 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  UC429220  Sisyrinchium idahoense var. occidentale Milo S. Baker before Feb. 1906 Tehama Little Hot Spring Valley Comment
  CAS-BOT-BC60843  Smelowskia ovalis George W. Gillett 1952-7-16 276 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 3108 Comment
  CAS-BOT-BC60845  Smelowskia ovalis George W. Gillett 1952-9-1 243 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 3108 Comment
  CAS-BOT-BC60846  Smelowskia ovalis George W. Gillett 1953-8-27 350 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 3124 Comment
  CAS-BOT-BC60847  Smelowskia ovalis George W. Gillett 1953-8-27 350 Shasta Lassen Volcanic National Park. Summit area of Lassen Peak. 3124 Comment
  RSA113683  Smelowskia ovalis George W. Gillett 1953-8-27 350 Shasta Lassen Volcanic National Park; summit area of Lassen Peak. 3125 Comment
  SJSU4246  Smelowskia ovalis C. W. Sharsmith 1968-6-22 7584 Shasta W slope of Lassen Peak, Lassen Volcanic National Park 2895 Comment
  CHSC48346  Smelowskia ovalis var. congesta Vernon Oswald 1988-8-14 3687 Shasta Lassen Volcanic National Park, along the trail near the summit of Lassen Peak. 3048 Comment
  GH19610  Smelowskia ovalis var. congesta J. G. Lemmon 1875-1-1 21 Unknown Summit of Lassen Comment
  GH19611  Smelowskia ovalis var. congesta J. G. Lemmon 1875-1-1 21 Unknown Summit of Lassen Comment
  JEPS13797  Smelowskia ovalis var. congesta V. K. Chesnut and E. R. Drew c. 1891 Shasta Lassen Peak Comment
  JEPS1773  Smelowskia ovalis var. congesta George W. Gillett 1952-9-1 243 Shasta s slope of Lassen Peak Lassen Volcanic National Park 3108 Comment
  JEPS8315  Smelowskia ovalis var. congesta George W. Gillett 1953-7-16 276 Shasta not far below summit Lassen Peak 3108 Comment
  JEPS87033  Smelowskia ovalis var. congesta Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11426 Shasta near summit along trail Cascade Mountains, Lassen Peak 7 1/2' USGS quadrangle, Lasse 3139 Comment
  NY185689  Smelowskia ovalis var. congesta J. G. Lemmon 1872-1 s.n. Plumas Sassen's (?illegible) Peak Comment
  RSA530021  Smelowskia ovalis var. congesta D. W. Taylor, Glenn L. Clifton 1990-8-10 11426 Shasta Lassen Peak, near summit alon trail. 3140 Comment
  SEINET3196851 Image available Smelowskia ovalis var. congesta George W. Gillett 1952-7-16 276 Shasta Lassen Volcanic National Park; Summit area of Lassen Peak 3110 Comment
  SEINET3196856 Image available Smelowskia ovalis var. congesta George W. Gillett 1953-8-27 350 Shasta Lassen Volcanic National Park; Summit area of LAssen Peak 3120 Comment
  UC1036169  Smelowskia ovalis var. congesta George W. Gillett 1952-9-1 243 Shasta summit area Lassen Volcanic National Park, Lassen Peak (s slope) 3108 Comment
  UC1036209  Smelowskia ovalis var. congesta George W. Gillett 1952-7-16 276 Shasta summit area Lassen Volcanic National Park, Lassen Peak 3108 Comment
  UC1036220  Smelowskia ovalis var. congesta George W. Gillett 1953-8-27 350 Shasta s slope summit area Lassen Volcanic National Park, Lassen Peak 3124 Comment
  UC1036309  Smelowskia ovalis var. congesta George W. Gillett 1952-8-9 157 Shasta e. shoulder Lassen Peak (Lassen Volcanic Nat'l Park); , Lassen Peak 2987 Comment
  UC117431  Smelowskia ovalis var. congesta Mrs. R. M. Austin 1882-8-10 Shasta Lassen's Peak 3048 Comment
  CAS-BOT-BC365373  Solidago elongata M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CHSC54519  Solidago elongata Vernon H. Oswald 1991-8-16 4833 Shasta Lassen Volcanic National Park. Lassen Hwy northeast of Diamond Pk, at Road Marker 11. 2255 Comment
  A346899  Sorbus californica A. Eastwood August 22-26, 1912 1760 Unknown trail form Morgan's Springs to Sulpleur Works, Lassen Butte Region Comment
  CAS-BOT-BC157215  Sorbus californica M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CHSC117577  Sorbus californica Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21369 Tehama On the north side of a poor dirt road, about 100 yards east of Highwy 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC62000  Sorbus californica Vernon H. Oswald 1993-9-7 5924 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.1 mi N of the park boundary. Along a drainage above the road. 2011 Comment
  JEPS127109  Sorbus californica Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21369 Tehama About 100 yards east of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  CHSC46718  Sparganium natans Vernon H. Oswald 1989-7-24 3886 Shasta Crumbaugh Lake, Lassen Volcanic Park. At a number of places along the edge of the lake. 2194 Comment
  UC114750  Spiraea densiflora Mrs. R. M. Austin 1896-1 366 Plumas Lassen Peak Comment
  A345527  Spiraea douglasii A. Eastwood August 22-26, 1912 1834 Unknown trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC149671  Spiraea douglasii Alice Eastwood 1912-8-22 1834 Shasta Trail from Morgans Springs to Lassen Butte Comment
  RSA20153  Spiraea douglasii A. E. Alexander 1936-7-6 s.n. Shasta Mt. Lassen. Comment
  UC397404  Spiraea douglasii Herbert McLean Evans Jul 1922 Shasta Mt. Lassen Region; Sierra Nevada Comment
  CAS-BOT-BC149700  Spiraea splendens Alice Eastwood 1912-8-22 1827 Shasta Trail from Morgans Springs to Lassen Butte Comment
  CAS-BOT-BC149701  Spiraea splendens M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  JEPS89248  Spirodela polyrhiza Hall and Babcock Jun 29 1903-Jun 30 1903 4311 Shasta near Mill Creek (Hot Springs, Mt. Lassen); Mt. Lassen 2438 Comment
  UC54241  Spirodela polyrhiza H. M. Hall and E. B. Babcock Jun 20 1903-Jun 30 1903 4311 Shasta near Mill Creek; Mount Lassen 2438 Comment
  CHSC60363  Stachys ajugoides var. rigida Mary Ann Showers 1992-6-28 2653 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC54471  Stellaria borealis subsp. sitchana Vernon H. Oswald 1991-7-22 4758 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.2 mile east of the park boundary, ca. 3.25 miles (air) west-southwest of Lassen Peak. On a drainage on the north side of the North Fork of Bailey Creek. 1962 Comment
  UC120034  Stellaria calycantha Mrs. R. M. Austin 1882-8-10 Plumas Lassen's Peak Comment
  CHSC54473  Stellaria crispa Vernon H. Oswald 1991-7-22 4757 Shasta Lassen Volcanic National Park. In Blue Lake Canyon ca. 0.2 mile east of the park boundary, ca. 3.25 miles (air) west-southwest of Lassen Peak. On the north side of the North Fork of Bailey Creek. 1962 Comment
  UCD99353  Stellaria obtusa John Thomas Howell 1960-8-19 36116 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2313 Comment
  CAS-BOT-BC375049  Stenotus acaulis Clare B. Hardham 1961-6-16 7482 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  CAS-BOT-BC375637  Stephanomeria lactucina John Thomas Howell 1960-8-19 36131 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  UC92328  Stephanomeria tenuifolia Mrs. R. M. Austin Aug 1896 Shasta Lassen Peak </