40.39528 40.49528 -121.60889 -121.50889 UC/JEPS: Consortium Search Results
Search Results — 1254 specimen records retrieved (1254 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/consortium/).
 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
  CAS-BOT-BC78094  Abies magnifica John Thomas Howell 1960-8-19 36140 Tehama Brokeoff Mt. Trail 2590 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
  UC1138216  Abies magnifica J. M. Crawford 1957-8-3 14 Tehama 1 mi e Dry Lake; Lassen National Forest 2072 Comment
  UC1085288  Abies magnifica var. magnifica Jim M. Crawford 1957-8-3 14 Tehama 1 mi e Dry Lake (Quad 33A-1); Lassen National Forest 2072 Comment
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Jul 21 2009
  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
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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
  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
  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
  UCD51148  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-8-19 36146 Tehama Brokeoff Mountain Trail. 2590 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
  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-BC412896  Aconogonon davisiae H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. By Emerald Lake 2500 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
  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-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
  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
  UC1784164  Allium Harold and Virginia Bailey 1948-8-28 3068 b Tehama Lassen Volcanic National Park, near Sulphur Creek campground 2011 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
  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
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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
  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
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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
  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
  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
  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
  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
  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
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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
  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
  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
  CHSC45338  Aphyllon epigalium subsp. epigalium Vernon Oswald 1986-8-4 2267 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2651 Comment
  CHSC85449  Apocynum androsaemifolium G. F. Hrusa; T. D. Wilfred 1996-7-22 13381 Shasta Northeast California. Lassen National Forest. On roadside along Hwy 89 approx. 3 miles S of entrance to Lassen Nat. Park. Latitude: 40 degrees 32' N. Longitude: 121 degrees 37' W. 1580 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
  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
  CAS-BOT-BC39962  Arctostaphylos nevadensis Milo S. Baker 1926-8-21 285 b Trinity Near Sulphur Springs 9.5 miles north of Mineral 1859 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-BC45904  Arctostaphylos nevadensis M. S. Jussel 1931-9-6 s.n Lassen Sulphur Works, Mt. Lassen 2133 Comment
  POM213944  Arctostaphylos nevadensis H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. 2400 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
  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
  JEPS38823  Arctostaphylos patula W. L. Jepson 1927-6-22 12285 Shasta Hot Springs Valley Lassen Peak 1828 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
  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
  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
  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
  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
  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
  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
  JEPS28769  Arnica nevadensis George W. Gillett 1957-8-13 1066 Tehama Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 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
  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
  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
  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
  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
  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
  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
  CHSC65398  Boechera lemmonii Vernon Oswald 1986-7-24 2239 Tehama Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2804 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
  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
  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
  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
  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
  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
  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
  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
  JEPS60527  Caltha biflora Joseph Grinnell 1928-6-8 Tehama 5 miles north of Mineral. 1981 Comment
  JEPS60529  Caltha biflora W. L. Jepson 1910-6-6 4080 Plumas Hot Springs Valley, Lassen Peak. 1859 Comment
  CAS-BOT-BC175784  Caltha leptosepala John Thomas Howell 1960-8-21 36298 Tehama Bluff Falls. Near Lassen Volcanic National Park 1981 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
  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-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-BC37230  Cardamine bellidifolia John Thomas Howell 1969-8-6 45881 Shasta Lassen Volcanic National Park. Emerald Lake. 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
  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-BC17895  Carex angustata George Wilson Gillett 1957-8-20 1119 Shasta Lassen Volcanic National Park. Brokeoff Meadows, above cabins. 1920 Comment
  CAS-BOT-BC17896  Carex angustata John Thomas Howell 1960-8-18 36075 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  JEPS28807  Carex angustata George W. Gillett 1957-8-20 1119 Shasta Brokeoff Meadows Lassen Volcanic National Park, Brokeoff Meadows 1920 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-BC18033  Carex athrostachya George Wilson Gillett 1957-8-20 1121 Shasta Lassen Volcanic National Park. Brokeoff Meadows, above cabins. 1920 Comment
  JEPS28388  Carex athrostachya George W. Gillett 1957-8-20 1121 Shasta Brokeoff Meadows. Along margin of Bailey Creek, near cabin area. Lassen Volcanic National Park 1889 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-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
  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
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Aug 21 2015
  JEPS28368  Carex breweri George W. Gillett 1957-8-10 1019 Shasta lower E slopes of Eagle Peak; Lassen Volcanic National Park 2636 Comment
  JEPS63542  Carex breweri W. L. Jepson 1929-9-29 15324 Shasta Lassen Peak, NW slope, in Pinus albicaulis belt, lower edge 2651 Comment
  UC823365  Carex breweri E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park 2743 Comment
  UCD140216  Carex breweri John Thomas Howell 1960-8-19 36134 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 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
  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
  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
  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
  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
  JEPS28387  Carex nebrascensis George W. Gillett 1957-8-20 1122 -A Shasta near cabin area (Brokeoff Meadows along margin of Bailey Creek); Lassen Volcanic National Park, Brokeoff Meadows 1889 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-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-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
  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
  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
  SEINET4290232  Carex straminiformis Unknown 2009-1 9867 Shasta High Cascade Range; low on the northeast slope of Ski Heil 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-BC115417  Carex utriculata George Wilson Gillett 1957-8-20 1122 B Shasta Brokeoff Meadows, in aspen above cabins. 1920 Comment
  JEPS28386  Carex utriculata George W. Gillett 1957-8-20 1122 -B Shasta near cabins, margin of Bailey Creek Lassen Volcanic National Park, Bailey Creek, Brokeoff Meadow 1889 Comment
  CAS-BOT-BC115183  Carex vernacula Hans Leschke 1959-8-10 1658 Shasta Soda Lake 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
  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
  CAS-BOT-BC59035  Cassiope mertensiana Hans Leschke 1959-8-10 1662 Shasta Lassen Volcanic National Park - Soda Lake 2385 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
  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
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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
  JEPS29555  Castilleja arachnoidea John Thomas Howell 1960-8-19 36169 Shasta Brokeoff Mountain, summit ridge Lassen Volcanic National Park, Brokeoff Mountain 2743 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
  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
  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
  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
  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
  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-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
  JEPS29567  Chaenactis nevadensis J. Thomas Howell 1960-8-19 36161 Tehama Brokeoff Mountain trail Lassen Volcanic National Park, Brokeoff Mountain 2682 Comment
  JEPS34212  Chaenactis nevadensis Joseph Grinnell 1925-7-27 Tehama Broke-off Mt. 2743 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
  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
  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
  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
  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
  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
  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
  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-BC228932  Cistanthe umbellata M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CAS-BOT-BC228994  Cistanthe umbellata John Thomas Howell 1960-8-19 36160 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 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
  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
  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
  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
  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
  CAS-BOT-BC401887  Corydalis caseana subsp. caseana John Thomas Howell 1961-6-20 36585 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  UC854987  Corydalis caseana subsp. caseana E. G. Anderson 1935-9-2 Shasta lower part of Brokeoff Trail Brokeoff Trail 2286 Comment
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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
  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
  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
  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
  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
  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
  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-BC189858  Danthonia californica George W. Gillett 1957-8-20 1120 Shasta Lassen Volcanic National Park. Brokeoff Meadows, in Aspen grove above cabins. 1920 Comment
  CAS-BOT-BC192286  Danthonia californica John Thomas Howell 1960-8-18 36023 Tehama Bluff Falls 1981 Comment
  JEPS28316  Danthonia californica var. americana George W. Gillett 1957-8-20 1120 Shasta Bailey Creek Lassen Volcanic National Park, Brokeoff meadows (near cabin area) 1889 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
  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
  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
  JEPS16231  Dicentra uniflora Joseph Grinnell with Mary E. Grinnell 1928-6-8 Tehama 5 mi n Mineral 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
  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
  SJSU4247  Draba aureola C. W. Sharsmith 1968-6-22 7585 Shasta W slope Lassen Peak, Lassen Volcanic National Park 2895 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
  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
  JEPS28333  Eleocharis acicularis George W. Gillett 1957-8-20 1108 Shasta Brokeoff Meadows Lassen Volcanic National Park (along stream bed, near Aspen Grove above cabins) 1920 Comment
  CAS-BOT-BC113415  Eleocharis bella John Thomas Howell 1960-8-18 36047 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC113422  Eleocharis bella George Wilson Gillett 1957-8-20 1108 Shasta Brokeoff Meadows, in Aspen grove above cabins 1920 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-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
  JEPS28797  Epilobium hallianum George W. Gillett 1957-8-20 1114 Shasta in aspen grove above cabins; Lassen Volcanic National Park, Brokeoff Meadows 1920 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
  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
  JEPS28500  Ericameria bloomeri George W. Gillett 1957-8-10 1022 Shasta saddle between Ski Heil and Pilot Pinnacle; Lassen Volcanic National Park 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
  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
  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-BC300427  Erigeron elegantulus D. Showers 1979-7-23 DS 4328 Shasta Near summit of Loomis Peak, Lassen Volcanic National Park 2560 Comment
  CAS-BOT-BC300855  Erigeron glacialis var. glacialis Hans Leschke 1959-8-10 1656 Shasta Lassen Volcanic National Park. Soda Lake 2385 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
  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
  UCD100387  Eriogonum marifolium John Thomas Howell 1960-8-19 36199 Tehama Brokeoff Mt., summit ridge. 2804 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-BC263319  Eriogonum marifolium var. marifolium H. F. Copeland 1935-7-29 s.n. Shasta Mt. Lassen. By Emerald Lake 2500 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
  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
  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
  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
  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
  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-BC262283  Eriogonum ursinum George W. Gillett 1957-8-13 1065 Tehama Lassen Volcanic National Park. Brokeoff Mountain 2514 Comment
  UC912756  Eriogonum ursinum E. G. Anderson 1935-9-2 Shasta Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 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
  CHSC49010  Erythranthe tilingii Vernon Oswald 1986-8-4 2264 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2346 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
  UC1036268  Erythronium purpurascens George W. Gillett 1952-7-13 63 Shasta vicinity of Sulphur Works (below buildings); Lassen Volcanic National Park 2133 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
  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
  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
  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
  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
  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
  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
  JEPS32337  Garrya congdonii James R. Griffin 1963-11-30 1165 Tehama near head of Darling Ravine (on Ponderosa Way, on s side of South Fork of Battle Creek Canyon); South Fork of Battle Creek Canyon 762 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
  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
  JEPS28798  Gnaphalium palustre George W. Gillett 1957-8-20 1116 Shasta Brokeoff Meadows Lassen Volcanic National Park, Brokeoff Meadows (in Apsen grove above cabins) 1920 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
  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
  JEPS32732  Hackelia nervosa Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain Comment
  JEPS67935  Hackelia nervosa Jos. Grinnell 1928-6-8 Tehama 4 mi n of Mineral 1828 Comment
  SBBG15605  Hackelia nervosa D. Myrick 1961-6-24 354 Shasta loop rd near sulphur works 2255 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
  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
  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-BC150126  Holodiscus microphyllus var. glabrescens Alice Eastwood 1912-8-22 1866 Shasta Trail from Morgans Springs to Lassen Butte 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
  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
  JEPS813  Ipomopsis aggregata Joseph Grinnell 1925-7-27 Tehama Brokeoff Mtn 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
  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
  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
  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-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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  SEINET2062869 Image available Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou West sope of ridge of Red Rock Mountain. 2194 Comment
  RSA31843  Lupinus obtusilobus A. A. Heller 1941-8-16 16295 Shasta Above the Bumpas Hell parking space. 2439 Comment
  UC624912  Lupinus obtusilobus Fred H. Schumacher 1934-9-3 Shasta sw slope Lassen Peak; sw slope of Lassen Peak Comment
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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
  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
  CHSC85993  Luzula comosa var. laxa L. P. Janeway 2003-7-19 7908 Plumas High Cascade Range. Along the south edge of Little Willow Lake. Just above high water line. 1831 Comment
Read comments
Oct 3 2006
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  UC600975  Mimulus breweri Mrs. H. P. Bracelin 1932-7-23 668 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  JEPS28795  Mimulus guttatus George W. Gillett 1957-8-20 1113 Shasta Brokeoff Meadows, in Apsen grove above cabins Lassen Volcanic National Park 1920 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
  UC886258  Mimulus lewisii E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park Comment
  UC600974  Mimulus primuloides Mrs. H. P. Bracelin 1932-7-23 666 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  JEPS28793  Mimulus primuloides subsp. primuloides George W. Gillett 1957-8-20 1110 Shasta Brokeoff Meadows, in aspen grove above cabins Lassen Volcanic National Park 1920 Comment
  JEPS29550  Mimulus primuloides subsp. primuloides George W. Gillett 1957-8-20 1110 Shasta Brokeoff Meadows, in aspen grove above cabins Lassen Volcanic National Park 1920 Comment
  UC600973  Mimulus torreyi Mrs. H. P. Bracelin 1932-7-23 667 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 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
  SJSU4241  Minuartia nuttallii var. gracilis C. W. Sharsmith 1968-6-22 7586 Shasta W slope Lassen Peak, Lassen Volcanic National Park 2895 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
  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
  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
  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
  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
  JEPS28785  Oreostemma alpigenum var. andersonii George W. Gillett 1957-8-17 1086 Shasta Emerald Lake Lassen Volcanic National Park 2468 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
  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
  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
  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
  UC849838  Oxyria digyna E. G. Anderson 1935-8-28 Shasta Crescent Cliffs; Lassen Volcanic National Park, Crescent Cliffs 2286 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
  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
  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
  UC54661  Pedicularis groenlandica H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4306 Shasta Mill Creek; Mount Lassen 2438 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
  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
  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
  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
  UC887036  Penstemon gracilentus E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 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
  JEPS9342  Penstemon neotericus George W. Gillett 1953-8-16 337 Tehama near Diamond Peak; Lassen Volcanic National Park, near Diamond Peak 2209 Comment
  UC1036223  Penstemon neotericus George W. Gillett 1953-8-16 337 Tehama near Diamond Peak; Lassen Volcanic National Park, near Diamond Peak 2209 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
  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
  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
  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
  UC887188  Penstemon newberryi var. newberryi E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 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
  JEPS28796  Perideridia parishii subsp. latifolia George W. Gillett 1957-8-20 1115 Shasta Brokeoff Meadows Lassen Volcanic National Park (aspen grove above cabins) 1920 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
  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
  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
  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
  JEPS69962  Phlox diffusa J. Grinnell 1928-6-8 Tehama 4 mi n Mineral 1828 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
  CAS-BOT-BC58801  Phyllodoce breweri John Thomas Howell 1960-8-19 36120 Tehama Lassen Volcanic National Park - Brokeoff Mt. Trail 2346 Comment
  CAS-BOT-BC58849  Phyllodoce breweri Hans Leschke 1959-8-10 1654 Shasta Lassen Volcanic National Park - Soda Lake 2385 Comment
  JEPS66666  Phyllodoce breweri Jos. Grinnell 1925-7-27 Tehama Brokeoff Mountain 2743 Comment
Read comments
Jul 31 2014
  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
  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
  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
  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
  CAS-BOT-BC72980  Pinus monticola John Thomas Howell 1960-8-19 36139 Tehama Lassen Volcanic National Park - Brokeoff Mt. Trail 2590 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
  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
  CAS-BOT-BC230997  Plagiobothrys hispidulus George W. Gillett 1957-8-20 1111 Shasta Lassen Volcanic National Park. Brokeoff Meadows, above cabins 1920 Comment
  JEPS28794  Plagiobothrys hispidulus George W. Gillett 1957-8-20 1111 Shasta Brokeoff Meadows Lassen Volcanic National Park (above cabins) 1920 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
  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
  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
  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-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
  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
  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
  UC882736  Polemonium pulcherrimum subsp. pulcherrimum E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park, Crescent Cliffs 2286 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
  UC727133  Polygonum davisiae A. A. Heller 1941-8-11 16282 Shasta ridge near head of Little Hot Springs Valley; Lassen Volcanic National Park 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
  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
  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-BC109275  Polygonum shastense Jeanne Janish; Carl Janish 1938-9-6 s.n. Shasta Near Lake Helen, Lassen National Park. 2042 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
  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
  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
  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
  CAS-BOT-BC72519  Pteridium aquilinum John Thomas Howell 1960-8-18 36026 Tehama Bluff Falls 1981 Comment
  UC876170  Pterospora andromedea E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 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
  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
  JEPS28745  Raillardella argentea George W. Gillett 1957-8-10 1027 Shasta saddle between Ski Heil and Pilot Pinnacle; Lassen Volcanic National Park 2636 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
Read comments
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
  JEPS28451  Ranunculus orthorhynchus var. orthorhynchus George W. Gillett 1957-8-20 1117 Shasta Brokeoff Meadows Lassen Volcanic National Park, Bailey Creek (margin of creek, near cabin area) 1889 Comment
  JEPS55148  Ranunculus orthorhynchus var. orthorhynchus W. L. Jepson 1910-6-8 4087 Shasta Hot Springs Valley Lassen Peak 1706 Comment
  JEPS28450  Ranunculus uncinatus George W. Gillett 1957-8-20 1118 Shasta Brokeoff Meadows Lassen Volcanic National Park, Bailey Creek (margin of creek, near cabin area) 1889 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
  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
  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
  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
  JEPS28428  Sagina saginoides George W. Gillett 1957-8-20 1112 Shasta in Aspen grove above cabins Brokeoff Meadows; Lassen Volcanic Nat'l Park, Brokeoff Meadows 1920 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  JEPS47496  Saxifraga tolmiei W. L. Jepson 1929-9-29 15325 Shasta nw slope of Lassen Peak 2682 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-BC363433  Senecio aronicoides John Thomas Howell 1960-8-19 36119 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2346 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
  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
  CAS-BOT-BC363798  Senecio integerrimus Clare B. Hardham 1961-6-16 7472 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CAS-BOT-BC341226  Senecio scorzonella Alice Eastwood 1912-8-22 1830 a Tehama Trail from Morgans Sprgs, Lassen Butte Region 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
  UC639594  Sibbaldia procumbens Mrs. H. P. Bracelin 1932-7-24 689 Shasta Emerald Lake; Lassen National park 2529 Comment
  UC1736026  Sidalcea gigantea Dean W. Taylor 1997-7-24 16151 Shasta South Fork Digger Creek, ca. 0.5 mi W Heart Lake 1950 Comment
  UC1738774  Sidalcea gigantea Dean W. Taylor 1997-7-24 16151 Shasta South Fork Digger Creek, ca. 0.5 mi W Heart Lake 1950 Comment
  JEPS96621  Sidalcea oregana subsp. oregana Dean W. Taylor 1997-7-24 16156 Shasta South Fork Digger Creek, ca. 0.5 mi W Heart Lake 1950 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
  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
  JEPS50916  Silene bernardina W. L. Jepson 1910-6-8 4097 Shasta Lassen Pk Lassen Pk. Hot Springs Valley 1828 Comment
  CAS-BOT-BC136292  Silene douglasii John Thomas Howell 1960-8-19 36138 Tehama Brokeoff Mt. Trail 2438 Comment
  CAS-BOT-BC386972  Silene douglasii John Thomas Howell 1960-8-19 36172 Shasta Summit ridge Brokeoff Mt. 2773 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
  JEPS96734  Silene invisa Dean W. Taylor 1997-7-24 16152 Shasta South Fork Digger Creek, ca. 0.5 mi W Heart Lake 1950 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
  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-BC175045  Silene suksdorfii John Thomas Howell 1960-8-19 36171 Shasta Summit ridge, Brokoff Mt. 2773 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
  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
  SJSU4246  Smelowskia ovalis C. W. Sharsmith 1968-6-22 7584 Shasta W slope of Lassen Peak, Lassen Volcanic National Park 2895 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
  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
  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
  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
  CAS-BOT-BC87810  Streptanthus tortuosus John Thomas Howell 1960-8-23 36447 Shasta Lassen Volcanic National Park. Lassen Loop above Little Hot Springs Valley. 2407 Comment
  CAS-BOT-BC87816  Streptanthus tortuosus H. F. Copeland 1935-7-29 s.n. Shasta Mount Lassen. By Emerald Lake. 2500 Comment
  CAS-BOT-BC87880  Streptanthus tortuosus John Thomas Howell 1960-8-19 36153 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2682 Comment
  CHSC38075  Streptanthus tortuosus R. E. Preston 1982-7-14 328 Shasta NE ridge of Brokeoff Mountain, Lassen Volcanic National Park. 2621 Comment
  JEPS54038  Streptanthus tortuosus Joseph Grinnell 1925-7-27 Tehama slopes near summit Broke-Off Mountain 2834 Comment
  CHSC48355  Streptanthus tortuosus var. orbiculatus Vernon Oswald 1986-7-24 2237 Tehama Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2804 Comment
  UC1543772  Streptanthus tortuosus var. orbiculatus Harold and Virginia Bailey 1948-8-27 2953 Shasta Loop Hwy at water fountain below Emerald Lake; Lassen Volcanic National Park 2438 Comment
  CHSC54469  Symphoricarpos mollis Vernon H. Oswald 1991-7-22 4764 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
  CAS-BOT-BC245732  Symphoricarpos rotundifolius John Thomas Howell 1960-8-19 36144 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park 2590 Comment
  CAS-BOT-BC99047  Symphyotrichum eatonii M. S. Jussel 1931-9-6 s.n. Shasta Sulphur Works, Mt. Lassen 2133 Comment
  OBI55514  Symphyotrichum spathulatum var. intermedium David J. Keil, Kathleen Keil 1992-7-25 23593 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  OBI55516  Symphyotrichum spathulatum var. intermedium David J. Keil, Kathleen Keil 1992-7-25 23593 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  CHSC69675  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald 1992-8-19 5163 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
  CHSC69676  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald 1992-9-29 5227 Tehama Hwy 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  OBI55513  Symphyotrichum spathulatum var. spathulatum David J. Keil, Kathleen Keil 1992-7-25 23593 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  OBI55515  Symphyotrichum spathulatum var. spathulatum David J. Keil, Kathleen Keil 1992-7-25 23593 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  UC1024383  Tofieldia occidentalis subsp. occidentalis George W. Gillett 1952-8-24 220 Shasta about 0.5 mi below Emerald Lake (Lassen Peak Highway); Lassen Volcanic National Park 2407 Comment
  UCD93294  Torreyochloa erecta John Thomas Howell 1960-8-18 36054 Tehama Bluff Falls. 1981 Comment
  UC1862465  Trichostema lanceolatum M. S. Jussel 1931-9-6 Shasta Sulphur Works, Mt. Lassen 2133 Comment
  CHSC60357  Trifolium cyathiferum Mary Ann Showers 1992-6-27 2659 Shasta Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  JEPS28478  Trifolium cyathiferum George W. Gillett 1957-8-20 1109 Shasta above cabins (in Aspen Grove, Broeoff Meadows); Lassen Volcanic National Park 1920 Comment
  CHSC59086  Trifolium hybridum Vernon H. Oswald 1992-8-19 5159 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.2 mi N of the S boundary of the park. 2011 Comment
  UC54394  Trifolium longipes var. hansenii H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4318 Shasta near Soupan Springs; Mt. Lassen 2286 Comment
  JEPS28319  Trisetum canescens George W. Gillett 1957-8-18 1100 Tehama Brokeoff Mountain Lassen Volcanic National Park (lower portion of Brokeoff Trail, about 0.25 mi above the Sulphur Works Checking Station) 2103 Comment
  CAS-BOT-BC193538  Trisetum spicatum George W. Gillett 1957-8-18 1100 Tehama Lower portion of Brokeoff Mtn. trail, from Sulphur Works checking station up 1/4 mile to stream crossing near extensive talus formation - Lassen Volcanic National Park 2103 Comment
  CAS-BOT-BC193539  Trisetum spicatum John Thomas Howell 1960-8-19 36109 Tehama Brokeoff Mtn. Trail - Lassen Volcanic National Park 2133 Comment
  CAS-BOT-BC200257  Trisetum spicatum George W. Gillett 1957-8-10 1021 Shasta Saddle between Ski Heil [Hill] and Pilot Pinnacle 2636 Comment
  JEPS28317  Trisetum spicatum George W. Gillett 1957-8-10 1021 Shasta saddle between Ski Heil and Pilot Pinnacle; Lassen Volcanic National Park 2636 Comment
  UC822274  Trisetum spicatum E. G. Anderson 1935-8-28 Shasta Crescent Cliffs Lassen Volcanic National Park 2286 Comment
  UCD93284  Trisetum wolfii John Thomas Howell 1960-8-23 36445 Shasta Lassen Volcanic National Park. Lassen Loop above Little Hot Springs Valley. 2407 Comment
  JEPS96619  Triteleia ixioides subsp. anilina Dean W. Taylor 1997-7-24 16157 Shasta South Fork Digger Creek, ca. 0.5 mi W Heart Lake 1950 Comment
  CHSC24165  Tsuga mertensiana C. E. Stopher 1976-2-1 3 Tehama 8.7 km n of jct. Hwy. 89 and Hwy. 36 on Hwy. 89. On n side of road 5 m from road. 2000 Comment
  OBI17880  Tsuga mertensiana Wallace Weber, John C. Cooke, D. J. Pinkava, & David J. Keil 1969-8-18 2182 Shasta 5.8 mi N of S entrance to Lassen Volcanic Natl Park Comment
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Aug 20 2015
  OBI24790  Tsuga mertensiana Wallace Weber, John C. Cooke, D. J. Pinkava, & David J. Keil 1969-8-18 2182 Shasta 5.8 mi N of S entrance to Lassen Volcanic Natl Park Comment
  RSA659535  Tsuga mertensiana G. D. Wallace 1990-6-29 2944 Shasta Cascade Range: Lassen Park, Emerald Lake, west side of lake, trail to Bumpass Hell. 2466 Comment
  UCD133409  Tsuga mertensiana Beecher Crampton 1964-8-26 7172 Shasta Lassen Volcanic National Park; head of Little Hot Springs Valley, slopes below Pilot Pinnacle. 2468 Comment
  UCD67687  Tsuga mertensiana D. Sanchez-Mata 1996-6-30 s.n. Shasta Lassen Volcanic National Park. Lake Helen-Lassen Peak trail. 2450 Comment
  CAS-BOT-BC80210  Tsuga mertensiana subsp. grandicona M. S. Jussel 1931-9-7 s.n. Lassen Bumpas Hell Trail Comment
  CAS-BOT-BC80212  Tsuga mertensiana subsp. grandicona John Thomas Howell 1960-8-19 36190 Tehama Summit ridge, Brokeoff Mt. 2773 Comment
  CAS-BOT-BC80239  Tsuga mertensiana subsp. grandicona Elizabeth McClintock 1957-7-28 s.n. Shasta Near Lake Helen, Lassen National Park Comment
  SD8210  Umbellularia californica J. M. Hutchings, Cleveland 1881-6-19 Lassen Eagle Peak. Comment
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May 12 2020
  JEPS28742  Valeriana californica George W. Gillett 1957-8-10 1024 Shasta saddle between Ski Heil and Pilot Pinnacle (e exposure on Brokeoff Andesite); Lassen Volcanic National Park 2636 Comment
  CHSC60422  Verbascum thapsus Mary Ann Showers 1992-6-26 2581 Tehama Lassen Volcanic National Park. Along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC60423  Veronica americana Mary Ann Showers 1992-6-28 2649 Lassen Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  UC1036273  Veronica serpyllifolia subsp. humifusa George W. Gillett 1952-7-20 87 Shasta vicinity of Sulphur Works (near highway above hot springs area, Lassen Volcanic National Park); Lassen Volcanic National Park 2133 Comment
  UC887605  Veronica wormskjoldii E. G. Anderson 1935-8-28 Shasta Crescent Cliffs; Lassen Volcanic National Park, Crescent Cliffs 2286 Comment
  CHSC50428  Viola bakeri Vernon Oswald 1990-6-12 4290 Tehama Mill Creek Falls Trail, Lassen Volcanic National Park. 1999 Comment
  JEPS50220  Viola bakeri W. L. Jepson 1910-6-8 4083 Shasta near Lassen Peak (Hot Springs Valley); Hot Springs Valley Comment
  JEPS50221  Viola bakeri W. L. Jepson 1927-6-22 12284 Shasta Ridge n of Hot Springs Valley; Lassen Peak 1828 Comment
  UC54327  Viola bakeri H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4325 Tehama Parks Ranch, s side of Mount Lassen Parks Ranch; Mount Lassen 2133 Comment
  UC54331  Viola glabella H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4297 Shasta Mount Lassen, Soupan Springs Mount Lassen 2438 Comment
  CHSC50429  Viola purpurea subsp. dimorpha Vernon Oswald 1990-6-12 4289 Tehama Mill Creek Falls Trail, Lassen Volcanic National Park. 2057 Comment
  CHSC54495  Viola purpurea subsp. integrifolia Vernon H. Oswald 1991-7-26 4768 Tehama Lassen Volcanic National Park. Brokoff Mtn. Trail, ca. 0.25 mile west of the trailhead. 2097 Comment
  CAS-BOT-BC383451  Wyethia mollis Alice Eastwood 1912-8-22 1764 Tehama Trail from Morgans Springs to Sulphur Works, Lassen Butte Region Comment
  UC1070498  Wyethia mollis C. R. Clar Jul 1930 101 Shasta Tophet Springs Lassen Volcanic National Park, Lassen Peak Quadrangle Comment
  UC832902  Wyethia mollis E. G. Anderson 1935-9-2 Shasta lower part of Brokeoff Trail Lassen Volcanic National Park 2286 Comment
  JEPS62271  Zigadenus paniculatus W. L. Jepson 1910-6-8 4088 Shasta near Hot Springs Valley; Lassen Pk. 1828 Comment



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