40.39480 40.49480 -121.45570 -121.35570 UC/JEPS: Consortium Search Results
Search Results — 1268 specimen records retrieved (1268 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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-BC330951  Acer glabrum var. glabrum George W. Gillett 1957-7-19 858 Plumas Lassen Volcanic National Park. On trail to Sifford Lakes, aobut 1.25 miles above the Devils Kitchen. 2057 Comment
  JEPS28656  Acer glabrum var. torreyi George W. Gillett 1957-7-19 858 Plumas about 1 1/4 mi above Devil's Kitchen (trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  CAS-BOT-BC28739  Achillea millefolium John Thomas Howell 1960-7-18 35576 Plumas Drakesbad 1828 Comment
  UC1558253  Achillea millefolium Harold and Virginia Bailey 1948-8-25 2997 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  UC485804  Achillea millefolium H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC210690  Achnatherum lemmonii John Thomas Howell 1960-7-22 35887 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC58540  Achnatherum lemmonii Vernon H. Oswald; Lowell Ahart 1992-7-6 5064 Plumas On Kelly Mtn. Ca. 0.3 mi SW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). Lassen Volcanic National Park. 1813 Comment
  UC711920  Achnatherum lemmonii Roxana S. Ferris and Laura Lorraine 1941-8-10 10476 Shasta near Summit Lake; Lassen National Park 2042 Comment
  UCD50595  Achnatherum lemmonii John Thomas Howell 1960-7-22 35887 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC216413  Achnatherum lettermanii Roxana S. Ferris; Laura Lorraine 1941-8-10 10477 Shasta Near Summit Lake, Lassen National Park 2042 Comment
  CAS-BOT-BC210747  Achnatherum nelsonii Roxana S. Ferris; Laura Lorraine 1941-8-10 10476 Shasta Lassen National Park, near Summit Lake 2042 Comment
  CAS-BOT-BC217985  Achnatherum nelsonii John Thomas Howell 1960-7-17 35485 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC217986  Achnatherum nelsonii John Thomas Howell 1960-7-22 35894 Plumas Near Soda Springs 1828 Comment
  UCD50778  Achnatherum nelsonii John Thomas Howell 1960-7-17 35485 Plumas Drakesbad, Plumas County. 1676 Comment
  CAS-BOT-BC216881  Achnatherum occidentale John Thomas Howell 1960-7-19 35670 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC210841  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-7-19 35684 A Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC210848  Achnatherum occidentale subsp. californicum George W. Gillett 1957-7-13 759 Plumas Lassen Volcanic National Park. Below Sifford Lakes, along direct route to the Devils Kitchen 2057 Comment
  CAS-BOT-BC210849  Achnatherum occidentale subsp. californicum John Thomas Howell 1960-7-20 35787 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  JEPS28282  Achnatherum occidentale subsp. californicum George W. Gillett 1957-7-13 759 Plumas below Sifford Lakes (along direct route to the Devils Kitchen); Lassen Volcanic Nat'l Park 2057 Comment
  RSA201302  Achnatherum occidentale subsp. californicum J. T. Howell 1960-7-20 35787 Plumas Between boiling Springs Lake and Terminal Geyser. 1860 Comment
  SEINET232906  Achnatherum occidentale subsp. californicum L. R. Firestone, H Firestone 1983-8-11 8338 Shasta Lassen NP ; 0.4 mi south of Summit Lake 2356 Comment
  UC1543791  Achnatherum occidentale subsp. californicum Harold and Virginia Bailey 1948-8-25 3033 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC485753  Achnatherum occidentale subsp. californicum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CHSC58053  Achnatherum occidentale subsp. occidentale Vernon H. Oswald; Lowell Ahart 1992-6-2 4970 Plumas Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1822 Comment
  RSA201262  Achnatherum occidentale subsp. occidentale J. T. Howell 1960-7-17 35485 Plumas Drakesbad; Lassen Volcanic National Park. 1677 Comment
  RSA201345  Achnatherum occidentale subsp. occidentale J. T. Howell 1960-7-19 35670 Plumas Drakesbad. 1677 Comment
  SEINET232921  Achnatherum occidentale subsp. occidentale L. R. Firestone, H Firestone 1983-8-11 8339 Shasta Lassen Nat. Vol. Pk ; Parking area for sites 43-44. 2237 Comment
  SEINET232952  Achnatherum occidentale subsp. occidentale L. R. Firestone, H Firestone 1983-8-11 8339 Shasta Lassen Nat. Vol. Pk ; Parking area for sites 43-44. 2237 Comment
  SEINET255887  Achnatherum occidentale subsp. occidentale Mary E. Barkworth, LR Firestone 1982-8-30 4101 Shasta Lassen Nat. Vol. Pk ; Along roadside between site 28 and 29. Comment
  RSA201264  Achnatherum occidentale subsp. pubescens J. T. Howell 1960-7-20 35787 Plumas Between boiling Springs Lake and Terminal Geyser. 1860 Comment
  SBBG21858  Acmispon americanus D. Myrick 1964-7-19 871 Plumas trail to Boiling Lake, Drakesbad 1737 Comment
  UCD103839  Acmispon americanus var. americanus John Thomas Howell 1960-7-18 35568 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD104245  Acmispon nevadensis John Thomas Howell 1960-7-18 35561 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UC1543702  Aconitum columbianum Harold and Virginia Bailey 1948-8-25 3010 Shasta Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UC1543703  Aconitum columbianum Harold and Virginia Bailey 1948-8-25 3036 Shasta Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UC711903  Aconitum columbianum Roxana S. Ferris and Laura Lorraine 1941-8-10 10471 Shasta near Summit Lake; Lassen Nat'l Park 2042 Comment
  CAS-BOT-BC391473  Aconitum columbianum subsp. columbianum John Thomas Howell 1960-7-20 35718 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC391492  Aconitum columbianum subsp. columbianum Roxana S. Ferris; Laura Lorraine 1941-8-10 10471 Shasta Lassen National Park, near Summit Lake 2042 Comment
  CHSC54532  Actaea rubra Vernon H. Oswald 1991-8-5 4811 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. Drainage below service road at the geyser. 1706 Comment
  CAS-BOT-BC30237  Ageratina occidentalis George Wilson Gillett 1957-7-19 855 Plumas On trail to Sifford Lakes, about 1.25 miles above the Devils Kitchen 2057 Comment
  CHSC58487  Ageratina occidentalis Vernon H. Oswald; Lowell Ahart 1992-7-6 5069 Plumas Lassen Volcanic Park. On Kelly Mtn ca. 0.5 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1792 Comment
  CAS-BOT-BC21382  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1960-7-18 35562 Plumas Drakesbad 1828 Comment
  CHSC55795  Agoseris grandiflora Vernon H. Oswald 1991-9-11 4868 Plumas Lassen Volcanic National Park. North of the meadow and west of the resort at Drakesbad. 1737 Comment
  CHSC54390  Agoseris heterophylla Vernon Oswald 1991-6-12 4662 Plumas Lassen Volcanic National Park. Terminal Geyser, located between Drakesbad and Willow Lake. 1786 Comment
  UC485801  Agoseris monticola H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC13437  Agoseris retrorsa John Thomas Howell 1960-7-19 35693 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC127085  Agrostis exarata John Thomas Howell 1960-7-22 35883 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC127086  Agrostis exarata John Thomas Howell 1960-7-19 35664 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC127087  Agrostis exarata John Thomas Howell 1960-7-18 35520 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC127387  Agrostis exarata Hans Leschke 1954-9-21 s.n. Shasta Lassen Volcanic National Park. Kings Creek Falls. 2057 Comment
  RSA201346  Agrostis exarata J. T. Howell 1960-7-22 35883 Plumas Drakesbad. Devils kitchen 1677 Comment
  SD71007  Agrostis exarata John Thomas Howell 1960-7-18 35520 Plumas Lassen Volcanic National Park, wet meadow, Drakesbad. 1676 Comment
  UC485762  Agrostis exarata H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD52263  Agrostis exarata Beecher Crampton 1964-8-25 7160 Plumas Lassen Volcanic National Park, Devil's Kitchen, Hot Springs Creek. 1859 Comment
  UCD52290  Agrostis exarata John Thomas Howell 1960-7-18 35520 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC139614  Agrostis gigantea John Thomas Howell 1959-9-22 34854 Plumas Drakesbad. 1737 Comment
  CAS-BOT-BC139615  Agrostis gigantea John Thomas Howell 1959-9-22 34872 Plumas On hot spring terraces, Drakesbad. 1737 Comment
  CAS-BOT-BC139616  Agrostis gigantea Hans Leschke 1960-9-7 1789 Plumas Lassen Volcanic National Park. Park boundary north of Willow Lake. Comment
  CAS-BOT-BC139618  Agrostis gigantea John Thomas Howell 1960-7-18 35521 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC139365  Agrostis idahoensis Harold Bailey; Virginia Bailey 1948-8-25 3015 a Shasta Lassen Volcanic National Park. Summit Lake. 2040 Comment
  UC1543800  Agrostis idahoensis Harold and Virginia Bailey 1948-8-25 3015 a Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  UCD52983  Agrostis idahoensis John Thomas Howell 1960-7-23 25956 Plumas Drakesland, near Soda Spring. 1676 Comment
  CAS-BOT-BC138713  Agrostis scabra John Thomas Howell 1960-7-20 35772 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC138714  Agrostis scabra John Thomas Howell 1960-7-18 35523 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC138717  Agrostis scabra Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Park. Near Boiling Springs Lake. 1798 Comment
  GH341292  Agrostis scabra J. T. Howell 1960-7-20 35772 Unknown Boiling springs Lake 1798 Comment
  RSA35773  Agrostis scabra J. T. Howell 1960-7-20 s.n. Plumas Boilings Springs Lake; Lassen Volcanic National Park 1799 Comment
  SD71008  Agrostis scabra John Thomas Howell 1960-7-20 35722 Plumas Lassen Volcanic National Park, near steam vents and hot springs, Boiling Springs Lake. 1798 Comment
  UCD53341  Agrostis scabra John Thomas Howell 1960-7-20 35772 Plumas Boiling Springs Lake. 1798 Comment
  UCD53343  Agrostis scabra Beecher Crampton 1964-8-25 7158 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD53385  Agrostis scabra Beecher Crampton 1964-8-25 7159 Plumas Lassen Volcanic National Park, Devil's Kitchen, Hot Springs Creek. 1859 Comment
  UCD53335  Agrostis scabra var. geminata John Thomas Howell 1960-7-20 35774 Plumas Boiling Springs Lake. 1798 Comment
  UCD53456  Agrostis stolonifera John Thomas Howell 1960-7-18 35521 Plumas Drakesbad. 1676 Comment
  JEPS27978  Agrostis thurberiana George W. Gillett 1957-8-2 960 -a Shasta 0.25 mi below Summit Lake (and 100 yds s of Corral Meadows trail); Lassen Volcanic National Park 2026 Comment
  JEPS28274  Agrostis thurberiana George W. Gillett 1957-7-19 853 Plumas 1.25 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  UC1543794  Agrostis thurberiana Harold and Virginia Bailey 1948-8-25 2961 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1543801  Agrostis thurberiana Harold and Virginia Bailey 1948-8-25 2972 a Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC138488  Agrostis variabilis Lewis S. Rose 1945-9-4 45254 Shasta Kings Creek Falls. 2164 Comment
  JEPS28275  Agrostis variabilis George W. Gillett 1957-7-18 809 Plumas s side Boiling Springs Lake (near trail); Lassen Volcanic National Park 1813 Comment
  JEPS28278  Agrostis variabilis George W. Gillett 1957-7-17 788 Plumas stream running from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  JEPS28312  Agrostis variabilis George W. Gillett 1957-8-2 960 -b Shasta 0.25 mi below Summit Lake (and 100 yds s of Corral Meadows Trail); Lassen Volcanic National Park 2026 Comment
  UC1543792  Agrostis variabilis Harold and Virginia Bailey 1948-8-25 2972 b Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC1543793  Agrostis variabilis Harold and Virginia Bailey 1948-8-27 2921 a Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC485752  Agrostis variabilis H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  JEPS28600  Allium campanulatum George W. Gillett 1957-7-13 766 Shasta near juncture of Kings Creek Falls and Bench Lake trails (near trail between Kings Creek and Sifford Lakes); Lassen Volcanic National Park, Kings Creek Meadows 2194 Comment
  SBBG21926  Allium campanulatum D. Myrick 1964-7-19 872 Plumas Boiling Lake (Boiling Springs Lake) 1828 Comment
  CHSC58182  Allium platycaule Vernon H. Oswald 1992-5-21 4947 Plumas Lassen Volcanic National Park. Warner Valley on the S side of Hot Springs Creek ca. 0.5 mi upstream from the park boundary. 1621 Comment
  CAS-BOT-BC171317  Alnus incana subsp. tenuifolia Brighton C. Cain 1925-8-24 117 Lassen Mt. Lassen Volcaninc National Park, 1 mi below Drakesbad 1645 Comment
  CHSC44123  Alopecurus aequalis V. Oswald; L. Ahart 1988-8-4 3664 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC138118  Alopecurus aequalis var. aequalis V. Oswald; L. Ahart 1988-8-4 3664 Plumas Willow Lake located southeast of Drakesbad just south of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC138000  Alopecurus geniculatus John Thomas Howell 1960-7-22 35882 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC138001  Alopecurus geniculatus George W. Gillett 1957-7-18 831 Plumas Lassen Volcanic National Park. Willow Lake. 1661 Comment
  JEPS28276  Alopecurus geniculatus George W. Gillett 1957-7-18 831 Plumas along streambank of main inlet Willow Lake; Lassen Volcanic Nat'l Park, Willow Lake 1661 Comment
  UCD55898  Alopecurus geniculatus John Thomas Howell 1960-7-22 35882 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC54434  Alyssum minus subsp. micranthum Vernon H. Oswald 1991-7-8 4698 Plumas Willow Lake located southeast of Drakesbad, just south of the boundary of Lassen Volcanic National Park. On the north side of the lake at the western-most camping area. 1676 Comment
  CHSC60882  Alyssum minus subsp. micranthum Vernon H. Oswald 1993-6-17 5551 Plumas Trail along the N shore of Willow Lake, at an old camping site ca. 0.3 mi SE of the gate in fence marking the S boundary of Lassen Volcanic National Park. 1656 Comment
  CAS-BOT-BC142921  Amelanchier Elmer I. Applegate 1929-6-21 5785 Plumas Near Drakesbad, Warner Valley Comment
  HSC18512  Amelanchier alnifolia var. semiintegrifolia H. E. Parks, S. T. Parks 1928-6-16 261 Lassen Lassen National Park, Drakesbad 1677 Comment
  CAS-BOT-BC136777  Amelanchier utahensis John Thomas Howell 1960-7-19 35685 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC142541  Amelanchier utahensis Brighton C. Cain 1925-8-24 116 Lassen 1 mile below Drakesbad, Mt. Lassen Volcanic National Park 1645 Comment
  CAS-BOT-BC45201  Anaphalis margaritacea Hans Leschke 1954-9-21 s.n. Shasta King Creek Falls, Lassen Volcanic National Park 2057 Comment
  CAS-BOT-BC45203  Anaphalis margaritacea Brighton C. Cain 1925-8-24 110 Plumas 1 mile below Drakebad, Mt. Lassen Volcanic National Park 1645 Comment
  UC485802  Anaphalis margaritacea H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CHSC58176  Anemone oregana Vernon H. Oswald 1992-6-18 4994 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. Forest bordering a small snow lake (not shown on map) slightly SW of rocky cliffs bordering the creek. 1633 Comment
  UC1558194  Antennaria rosea Harold and Virginia Bailey 1948-8-25 2992 Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  CHSC58184  Antennaria rosea subsp. confinis Vernon H. Oswald; Lowell Ahart 1992-6-22 5021 Plumas Lassen Volcanic National Park. Ca. 0.6 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.6 mi NE of Little Willow Lake. 1767 Comment
  CHSC58033  Aphyllon purpureum Vernon H. Oswald; Lowell Ahart 1992-6-2 4978 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1767 Comment
  CAS-BOT-BC397925  Aquilegia formosa Hans Leschke 1958-8-16 1538 Shasta Lassen Volcanic National Park 1981 Comment
  UC1543704  Aquilegia formosa Harold and Virginia Bailey 1948-8-25 2994 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1541460  Arabis H. E. and S. T. Parks Jun 1928 231 Plumas Drakesbad Lassen National Park 1981 Comment
  CAS-BOT-BC407729  Arceuthobium abietinum John Thomas Howell 1960-7-21 35820 Plumas near Terminal Geyser 1798 Comment
  CAS-BOT-BC407749  Arceuthobium abietinum Brighton C. Cain 1925-8-24 114 Lassen Mt. Lassen Volcanic National Park, 1 mile below Drakesbad 1645 Comment
  CHSC55805  Arceuthobium abietinum Vernon H. Oswald 1991-9-8 4863 Plumas Lassen Volcanic Park. Trail from Willow Lake to Terminal Geyser. 1767 Comment
  RSA201279  Arceuthobium americanum J. T. Howell 1959-9-22 34866 Plumas Lassen Volcanic National Park. On Pinus Murrayana, Drakesbad. 1677 Comment
  SD71013  Arceuthobium americanum John Thomas Howell 1959-9-22 34866 Plumas Drakesbad 1676 Comment
  UCD101906  Arceuthobium americanum John Thomas Howell 1959-9-22 34866 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC409920  Arceuthobium campylopodum John Thomas Howell 1960-7-19 35669 Plumas Lassen Volcanic National Park, Drakesbad 1828 Comment
  UC1543722  Arctostaphylos Harold and Virginia Bailey 1948-8-25 3006 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC40001  Arctostaphylos nevadensis John Thomas Howell 1960-7-20 35778 Plumas Between Boiling Springs Lake and Terminal Geyser. 1859 Comment
  CAS-BOT-BC45903  Arctostaphylos nevadensis Mrs. E. C. Sutliffe 1927-6-1 s.n Lassen Drakesbad, Lassen Volcanic Park Comment
  LA42204  Arctostaphylos nevadensis Carl Epling; Mrs. Epling 1935-8-15 sn Shasta Mt. Lassen, Upper King's Creek Comment
  UC726693  Arctostaphylos nevadensis A. A. Heller 1941-8-11 16289 Shasta forest e King Creek Meadow (toward Summit Lake) Comment
  CAS-BOT-BC42108  Arctostaphylos patula John Thomas Howell 1960-7-20 35779 Plumas Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  JEPS28441  Arenaria kingii var. glabrescens George W. Gillett 1957-7-13 765 Shasta below Sifford Lakes (on trail to Devils Kitch.); Lassen Volcanic National Park 2057 Comment
  UC485812  Arnica H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC82214  Arnica chamissonis John Thomas Howell 1960-7-22 35872 Plumas Drakesbad 1828 Comment
  CHSC54512  Arnica chamissonis Vernon H. Oswald 1991-8-8 4819 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. 1658 Comment
  CHSC58019  Arnica cordifolia var. cordifolia Vernon H. Oswald; Lowell Ahart 1992-6-2 4967 Plumas Near the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) SW of Kelly Camp in Warner Valley, between the small, mapped pond and the boundary of Lassen Volcanic National Park. 1731 Comment
  UC485811  Arnica dealbata H. E. and S. T. Parks June 1928 236 Lassen Drakesbad Lassen National Park Comment
  CHSC61397  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1993-8-11 5781 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Park. 1767 Comment
  LA202934  Arnica fulgens Carl Epling; Mrs. Epling 1935-8-15 sn Shasta Mt. Lassen, upper King's Creek Comment
  JEPS12522  Arnica mollis George W. Gillett 1955-8-2 446 Shasta between King Creek Falls and Lassen Peak Highway Upper Kings Creek 2194 Comment
  UC1558257  Arnica mollis Harold and Virginia Bailey 1948-8-25 2960 a Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC59075  Artemisia arbuscula subsp. arbuscula V. H. Oswald; D. Showers, M. A. Showers 1992-8-23 5176 Plumas Lassen Volcanic National Park. S side of Hot Springs Creek, ca. 1 mi downstream from the level of Warner Valley Ranger Station, S of Drakesbad. 1645 Comment
  CAS-BOT-BC90403  Artemisia douglasiana John Thomas Howell 1960-7-18 35591 Plumas Meadow near bath house, Drakesbad 1828 Comment
  CAS-BOT-BC90404  Artemisia douglasiana John Thomas Howell 1960-8-20 36284 Plumas Kelly Camp, near Drakesbad 1615 Comment
  HSC3295  Asclepias cordifolia H. E. Parks, S. T. Parks Jun 1928 226 Lassen Lassen National Park, Drakesbad 1982 Comment
  JEPS28588  Asclepias cordifolia George W. Gillett 1957-7-13 743 Plumas near trail up the Flatiron from Drakesbad; Lassen Volcanic National Park 1859 Comment
  UC485737  Asclepias cordifolia H. E. and S. T. Parks June, 1928 226 Plumas Drakesbad Lassen National Park Comment
  CHSC58483  Asclepias speciosa Vernon H. Oswald; Lowell Ahart 1992-7-6 5066 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.6 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1770 Comment
  CAS-BOT-BC65885  Aspidotis densa Gillett; Hans Leschke 1957-7-13 s.n. Shasta south of Sifford Lakes Comment
  CAS-BOT-BC69581  Aspidotis densa George W. Gillett; Hans Leschke 1957-7-13 763 Plumas Below Sifford Lakes, on direct route to the Devils Kitchen, Lassen Volcanic National Park. 2057 Comment
  JEPS28598  Aspidotis densa George W. Gillett 1957-7-13 763 Plumas below Sifford Lakes (on direct route to Devils Kitchen); Lassen Volcanic Nat'l Park 2057 Comment
  UCD67846  Aster alpigenus var. andersonii Collector unknown 1996-9-9 Shasta Lassen Volcanic National Park. Dense perennial grasslands in meadows at Summit Lake North. 2070 Comment
  CAS-BOT-BC66017  Athyrium filix-femina var. cyclosorum B. C. Cain 1925-8-24 120 Lassen 1 mile below Drakesbad, Mt. Lassen Nat. Park Comment
  CAS-BOT-BC66091  Athyrium filix-femina var. cyclosorum John Thomas Howell 1960-7-22 35924 Plumas near Devil's Kitchen near Drakesbad 1828 Comment
  CAS-BOT-BC16560  Barbarea orthoceras John Thomas Howell 1960-7-18 35530 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC16569  Barbarea orthoceras Mrs. H. C. Cantelow 1938-7-4 2293 Plumas South side of Soda Creek. Drakesbad. Comment
  UC1541546  Barbarea orthoceras Harold & Virginia Bailey 1948-8-25 3035 Shasta Lassen Volcanic National Park, Summit Lake. 2040 Comment
  UC1543776  Barbarea orthoceras Harold and Virginia Bailey 1948-8-25 3031 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC413059  Bistorta bistortoides Hans Leschke 1958-8-16 1543 Shasta Lassen Volcanic National Park. Grassy Swales 1965 Comment
  JEPS28618  Boechera George W. Gillett 1957-7-13 767 Shasta Lower Kings Creek Meadow Lassen Volcanic National Park 2194 Comment
  CAS-BOT-BC15815  Boechera arcuata Elmer I. Applegate 1929-6-18 5763 Plumas Between Camp Kelly and Drakesbad, Warner Valley, Mount Lassen Region. Comment
  CHSC58163  Boechera breweri subsp. breweri Vernon H. Oswald 1992-6-18 4989 Plumas Lassen Volcanic National Park. Warner Valley; S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. On cliffs bordering the creek. 1621 Comment
  JEPS28464  Boechera depauperata George W. Gillett 1957-7-13 778 Shasta near Bench Lake trail start; Lassen Volcanic National Park, Lower Kings Creek Meadow 2194 Comment
  CAS-BOT-BC16280  Boechera howellii John Thomas Howell 1960-7-20 35758 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC14006  Boechera lemmonii Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Lassen Volcanic National Park. Drakesbad. Comment
  CAS-BOT-BC14081  Boechera pauciflora John Thomas Howell 1960-7-19 35637 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC14295  Boechera platysperma John Thomas Howell 1960-7-17 35497 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  UC1543777  Boechera platysperma Harold and Virginia Bailey 1948-8-25 3032 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC14655  Boechera rectissima John Thomas Howell 1960-7-19 35636 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC58185  Boechera rectissima Vernon H. Oswald; Lowell Ahart 1992-6-22 5016 Plumas Ca. 0.4 mi N of the park boundary along the services road into Terminal Geyser, ca. 0.5 mi ENE of Little Willow Lake. Bordering the road. 1767 Comment
  CAS-BOT-BC25581  Boechera retrofracta Mrs. H. C. Cantelow 1938-7-4 2292 Plumas Drakesbad. Comment
  CAS-BOT-BC25933  Boechera suffrutescens John Thomas Howell 1960-7-22 35901 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1828 Comment
  CHSC61381  Botrychium simplex var. compositum Vernon H. Oswald; Lowell Ahart 1993-8-11 5786 Plumas Lassen Volcanic National Park. Little Willow Lake located on the S edge of Lassen Volcanic National Park. 1839 Comment
  CHSC61414  Brasenia schreberi Vernon H. Oswald; Lowell Ahart 1993-8-11 5782 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. 1767 Comment
  JEPS28304  Bromus carinatus var. carinatus George W. Gillett 1957-7-17 794 Plumas (flowing) from Little Willow Lake into Willow Lake (Lassen Volcanic National Park); Lassen Volcanic National Park 1767 Comment
  CAS-BOT-BC148702  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35931 Plumas Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148703  Bromus carinatus var. marginatus John Thomas Howell 1960-7-18 35564 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148707  Bromus carinatus var. marginatus John Thomas Howell 1960-7-17 35498 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148708  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35932 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC148709  Bromus carinatus var. marginatus John Thomas Howell 1960-7-20 35760 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC148710  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35929 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  UCD59113  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35932 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD59120  Bromus carinatus var. marginatus John Thomas Howell 1960-7-23 35931 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC55811  Bromus ciliatus Vernon H. Oswald 1991-9-11 4869 Plumas Lassen Volcanic Park. West of the resort at Drakesbad. 1767 Comment
  RSA201353  Bromus marginatus J. T. Howell 1960-7-18 35564 Plumas Lassen Volcanic National Park; Drakesbad 1677 Comment
  RSA201354  Bromus marginatus J. T. Howell 1960-7-20 35760 Plumas Boiling Springs Lake 1799 Comment
  CAS-BOT-BC162149  Bromus orcuttianus John Thomas Howell 1960-7-21 35860 Plumas Lassen Volcanic National Park. On trail to Little Willow Lake. 1767 Comment
  CAS-BOT-BC162151  Bromus orcuttianus George W. Gillett 1957-7-17 805 Plumas Lassen Volcanic National Park. In upper Willow Lake Meadow, near the east inlet. 1661 Comment
  JEPS28302  Bromus orcuttianus George W. Gillett 1957-7-17 805 Plumas Lassen Volcanic National Park, in upper Willow Lake Meadow, near east inlet Willow Lake Meadow; Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  RSA201312  Bromus orcuttianus J. T. Howell 1960-8-20 36274 Plumas Drakesbad 1677 Comment
  UCD59269  Bromus orcuttianus John Thomas Howell 1960-8-20 36274 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC58050  Bromus suksdorfii Vernon H. Oswald; Lowell Ahart 1992-6-2 4969 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1822 Comment
  CAS-BOT-BC161412  Bromus tectorum John Thomas Howell 1960-7-20 35766 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC185341  Calamagrostis canadensis Hans Leschke 1954-9-25 s.n. Shasta Lassen Volcanic National Park. Lower Kings Creek Meadow. 2200 Comment
  CAS-BOT-BC185347  Calamagrostis canadensis George W. Gillett 1957-8-2 966 Shasta Lassen Volcanic National Park. 0.25 mile below Summit Lake and 100 yards south of Corral Meadow trail. 2026 Comment
  CAS-BOT-BC185348  Calamagrostis canadensis John Thomas Howell 1960-7-20 35722 Plumas Lassen Volcanic National Park. 1828 Comment
  UC1543810  Calamagrostis canadensis Harold and Virginia Bailey 1948-8-25 3017 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC438481  Calandrinia ciliata John Thomas Howell 1960-7-18 35570 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC48004  Callitriche verna Vernon Oswald 1988-7-19 3598 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the east end of the lake. 1676 Comment
  CHSC48005  Callitriche verna Vernon Oswald 1988-7-19 3603 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  UCD132884  Calocedrus decurrens John Thomas Howell 1960-7-20 35752 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  UC1543724  Calochortus Harold and Virginia Bailey 1948-8-25 3009 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  SBBG21836  Calochortus leichtlinii D. Myrick 1964-7-21 897 Shasta Flatiron Ridge, Drakesbad 1981 Comment
  UC1036164  Calochortus leichtlinii George W. Gillett 1953-8-12 327 Shasta vicinity Kings Creek Falls; Lassen Volcanic National Park 2164 Comment
  UC525837  Calochortus nudus Lee Bonar 1934-7-15 Shasta Shore of Summit Lake Lassen Volcanic National Park Comment
  CAS-BOT-BC175764  Caltha leptosepala Mrs. H. C. Cantelow 1938-7-4 2306 Plumas S. side of Soda Creek, Drakesbad Comment
  CAS-BOT-BC175765  Caltha leptosepala John Thomas Howell 1960-7-23 35967 Plumas Drakesbad. Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC175774  Caltha leptosepala Jeanne Janish; Carl Janish 1938-9-6 s.n. Tehama At shore of Summit Lake, Lassen National Park 2042 Comment
  LA207378  Caltha leptosepala Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  LA207383  Caltha leptosepala Carl Epling; Mrs. Epling 1935-8-15 sn Shasta Mt. Lassen, Upper King's Creek Comment
  CHSC60916  Calyptridium monospermum Vernon H. Oswald 1993-6-17 5550 Plumas Lassen Volcanic National Park. N side of Hot Springs Creek between the Warner Valley Ranger Station and the S boundary of the park. Scattered plants on an open slope. 1621 Comment
  HSC17645  Calyptridium monospermum H. E. Parks, S. T. Parks Jun 1928 225 Plumas Lassen National Park, Drakesbad 1738 Comment
  UC1543705  Calyptridium umbellatum Harold and Virginia Bailey 1948-8-25 3028 Shasta Summit Lake; Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC485770  Calyptridium umbellatum H. E. and S. T. Parks June, 1928 225 Plumas Drakesbad, Lassen National Park Drakesbad; Lassen National Park, Drakesbad Comment
  HSC15434  Camassia quamash subsp. breviflora H. E. Parks, S. T. Parks Jun 1928 220 Lassen Lassen National Park, Drakesbad 1768 Comment
  RSA17436  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-21 5810 Plumas Drakesbad, Warner Valley, Mt. Lassen region Comment
  UC485760  Camassia quamash subsp. breviflora H. E. and S. T. Parks 1928-6-20 220 Plumas Mount Lassen National Park, Drakesbad Drakesbad; Mount Lassen National Park, Drakesbad Comment
  UC583536  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-21 5810 Plumas Drakesbad, Warner Valley Warner Valley; Mount Lassen Region, Drakesbad, Warner Valley Comment
  CAS-BOT-BC37133  Capsella bursa-pastoris John Thomas Howell 1960-7-19 35649 Plumas Lassen Volcanic National Park. Drakesbad. Near hot springs. 1828 Comment
  CHSC60883  Capsella bursa-pastoris Vernon H. Oswald 1993-6-17 5553 Plumas Trail along the N shore of Willow Lake, at an old camping site ca. 0.3 mi SE of the gate in fence marking the S boundary of Lassen Volcanic National Park. 1656 Comment
  CAS-BOT-BC37241  Cardamine breweri John Thomas Howell 1960-7-22 35874 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC19754  Carex abrupta Harold Bailey; Virginia Bailey 1948-8-25 2986 Shasta Lassen Volcanic National Park. Summit Lake. 2040 Comment
  UC1149882  Carex abrupta Harold and Virginia Bailey 1948-8-25 2996 Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  CHSC54535  Carex amplifolia Vernon H. Oswald 1991-8-8 4816 Plumas Just north of the south boundary of the park [Lassen Volcanic Park] at Willow Lake, on the west side of Terminal Geyser Creek slightly north of its junction with the trail to Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. 1664 Comment
  CHSC97388  Carex amplifolia Jenny Marr; Craig Carter 2006-5-29 239 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  CAS-BOT-BC17935  Carex angustata John Thomas Howell 1960-7-19 35644 Plumas Lassen Volcanic National Park. Drakesbad. Near hot springs. 1828 Comment
  CAS-BOT-BC17936  Carex angustata John Thomas Howell 1960-7-22 35873 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC17937  Carex angustata John Thomas Howell 1960-7-22 35884 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC17938  Carex angustata John Thomas Howell 1960-7-23 35943 Plumas Lassen Volcanic National Park. Drakesbad. Near soda spring. 1828 Comment
  CAS-BOT-BC17939  Carex angustata John Thomas Howell 1960-7-23 35945 Plumas Lassen Volcanic National Park. Drakesbad. Near soda spring. 1828 Comment
  CAS-BOT-BC17940  Carex angustata John Thomas Howell 1960-7-23 35962 Plumas Lassen Volcanic National Park. Drakesbad. Dream Lake. 1828 Comment
  CAS-BOT-BC17946  Carex angustata Hans Leschke 1958-8-16 1557 Shasta Lassen Volcanic National Park. Grassy Swales. 1950 Comment
  CAS-BOT-BC17949  Carex angustata Hans Leschke 1959-8-3 1596 Shasta Lassen Volcanic National Park. Grassy Swales. 1935 Comment
  CHSC50434  Carex angustata Vernon Oswald 1990-6-22 4315 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. 1767 Comment
  JEPS28345  Carex angustata George W. Gillett 1957-7-19 850 Plumas on trail to Sifford Lakes about 1 1/4 mi above Devils Kitchen; Lassen Volcanic National Park 2057 Comment
  RSA201332  Carex angustata J. T. Howell 1960-7-23 35943 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1677 Comment
  SD71030  Carex angustata John Thomas Howell 1960-7-23 35945 Plumas Lassen volcanic National Park; Drakesbad; meadow near soda spring. 1676 Comment
  UCD140098  Carex angustata John Thomas Howell 1960-7-23 35962 Plumas Drakesbad, Lassen Volcanic National Park. Dream Lake. 1676 Comment
  CAS-BOT-BC19726  Carex athrostachya John Thomas Howell 1959-9-22 34862 Plumas Drakesbad. 1737 Comment
  CAS-BOT-BC19727  Carex athrostachya John Thomas Howell 1960-7-23 35944 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Springs. 1828 Comment
  CAS-BOT-BC19135  Carex aurea Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Drakesbad. Comment
  RSA201275  Carex aurea J. T. Howell 1960-7-18 35508 Plumas Drakesbad 1677 Comment
  UCD140125  Carex aurea John Thomas Howell 1960-7-18 35508 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC19522  Carex bolanderi John Thomas Howell 1960-7-21 35866 Plumas Lassen Volcanic National Park. On trail to Little Willow Lake. 1767 Comment
  CAS-BOT-BC19523  Carex bolanderi John Thomas Howell 1960-7-17 35491 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC19625  Carex brainerdii John Thomas Howell 1960-7-22 35911 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1828 Comment
  CAS-BOT-BC19635  Carex brainerdii John Thomas Howell 1960-7-17 35484 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC19636  Carex brainerdii John Thomas Howell 1960-7-22 35912 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1828 Comment
  RSA201329  Carex brainerdii J. T. Howell 1960-7-22 35912 Plumas Drakesbad. Devils kitchen 1677 Comment
  SD71001  Carex brainerdii John Thomas Howell 1960-7-17 35484 Plumas Lassen Volcanic National Park; Drakesbad; dry coniferous forest. 1676 Comment
  UCD140184  Carex brainerdii John Thomas Howell 1960-7-22 35911 Plumas Devils Kitchen to Drakesbad. Lassen Volcanic National Park. 1676 Comment
  CHSC54422  Carex capitata Vernon H. Oswald 1991-7-17 4752 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On the north and west borders of the lake. 1828 Comment
  CAS-BOT-BC34405  Carex cusickii John Thomas Howell 1960-7-23 35936 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC85982  Carex cusickii L. P. Janeway 2003-7-19 7905 Plumas High Cascade Range. Along the edges of bog on south side of Willow Lake. 1656 Comment
  RSA201269  Carex cusickii J. T. Howell 1960-7-23 35936 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1677 Comment
  SEINET7556168 Image available Carex cusickii L. P. Janeway 2003-7-19 7905 Plumas Mt. Harkness 7.5' Quad. High Cascade Range. 1656 Comment
  UCD140238  Carex cusickii John Thomas Howell 1960-7-23 35936 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC20052  Carex echinata Hans Leschke 1958-8-16 1556 Shasta Lassen Volcanic National Park. Grassy Swale. 1950 Comment
  CAS-BOT-BC20119  Carex feta John Thomas Howell 1960-7-19 35704 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC20691  Carex fracta John Thomas Howell 1960-7-20 35710 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC20692  Carex fracta John Thomas Howell 1960-7-17 35496 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC20693  Carex fracta John Thomas Howell 1960-7-19 35676 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC20744  Carex fracta Hans Leschke 1958-8-16 1563 Shasta Lassen Volcanic National Park. Grassy Swales. 1943 Comment
  CAS-BOT-BC75507  Carex fracta 1938-7-4 s.n. Plumas Drakesbad. Comment
  CHSC85977  Carex fracta L. P. Janeway 2003-7-19 7909 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. 1853 Comment
  JEPS105623  Carex fracta L. P. Janeway 2003-7-19 7909 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake 1853 Comment
  RSA201272  Carex fracta J. T. Howell 1960-7-19 35676 Plumas Drakesbad. 1677 Comment
  RSA201288  Carex fracta J. T. Howell 1960-7-19 35676 Plumas Drakesbad. 1677 Comment
  SEINET7559363 Image available Carex fracta L. P. Janeway 2003-7-19 7909 Plumas Reading Peak 7.5' quad. High Cascade Range. At the end-of-the-roead trailhead parking for trail to Little Willow Lake, 200 m southeast of Little Willow Lake. 1853 Comment
  CAS-BOT-BC22285  Carex hassei John Thomas Howell 1960-7-18 35508 Plumas Drakesbad. 1828 Comment
  CAS-BOT-BC20967  Carex heteroneura Hans Leschke 1957-9-19 1521 Shasta Lassen Volcanic National Park. Along trail near Grassy Swales. 1950 Comment
  CAS-BOT-BC20971  Carex heteroneura Harold Bailey; Virginia Bailey 1948-8-25 2989 Shasta Lassen Volcanic National Park. Summit Lake. 2040 Comment
  CAS-BOT-BC21971  Carex heteroneura John Thomas Howell 1960-7-20 35714 Plumas Drakesbad. 1828 Comment
  JEPS28378  Carex heteroneura George W. Gillett 1957-8-2 961 Shasta 1/4 mi below Summit Lake (100 yards s of Corral Meadows trail); Lassen Volcanic National Park 2026 Comment
  UC1149762  Carex heteroneura Harold and Virginia Bailey 1948-8-25 2976 a Shasta Lassen Volcanic National Park. Summit Lake. 2040 Comment
  UC1149890  Carex heteroneura Harold and Virginia Bailey 1948-8-25 2989 Shasta Lassen Volcanic National Park. Summit Lake. 2040 Comment
  CAS-BOT-BC28076  Carex hoodii John Thomas Howell 1960-7-20 35750 Plumas Rocky slope, Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC28077  Carex hoodii John Thomas Howell 1960-7-17 35499 Plumas Near springy place, Drakesbad 1828 Comment
  CAS-BOT-BC28109  Carex hoodii Roxana S. Ferris; Laura Lorraine 1941-8-10 10469 Shasta Lassen National Park near Summit Lake 2042 Comment
  UC711927  Carex hoodii Roxana S. Ferris and Laura Lorraine 1941-8-10 10469 Shasta near Summit Lake; Lassen National Park 2042 Comment
  CAS-BOT-BC28059  Carex illota Hans Leschke 1958-8-16 1559 Shasta Grassy Swales Comment
  CAS-BOT-BC28060  Carex illota Hans Leschke 1958-8-16 1559 Shasta Grassy Swales Comment
  CAS-BOT-BC7850  Carex infirminervia John Thomas Howell 1960-7-20 35759 Plumas Boiling Springs Lake. 1798 Comment
  JEPS28352  Carex integra George W. Gillett 1957-7-13 781 Shasta near start of Bench Lake Trail; Lassen Volcanic National Park, Lower Kings Creek Meadow 2194 Comment
  JEPS28358  Carex integra George W. Gillett 1957-7-13 772 Shasta Lower Kings Creek Meadow Lassen Volcanic National Park (near start of Bench Lake trail) 2194 Comment
  CAS-BOT-BC35506  Carex jonesii John Thomas Howell 1960-7-22 35877 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC35507  Carex jonesii John Thomas Howell 1960-7-19 35632 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  JEPS28344  Carex jonesii George W. Gillett 1957-7-19 852 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  UCD140409  Carex jonesii John Thomas Howell 1960-7-22 35877 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC7581  Carex lasiocarpa V. Oswald; Lowell Ahart 1988-8-4 3679 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic National Park. On the NE side of the lake. 1676 Comment
  CHSC44257  Carex lasiocarpa V. Oswald; L. Ahart 1988-8-4 3679 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Located on the n side of the lake. 1676 Comment
  CHSC46712  Carex lasiocarpa V. Oswald; W. Dempsey 1989-8-24 3963 Plumas Little Willow Lake on the s edge of Lassen Volcanic National Park, ca. 1.1 mi (air) nw of Chester. 1828 Comment
  CHSC50433  Carex lasiocarpa Vernon Oswald 1990-6-22 4314 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. On the north side of the lake. 1767 Comment
  JEPS91028  Carex lasiocarpa Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11436 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  RSA500438  Carex lasiocarpa Vernon H. Oswald 1989-8-3 3916 Plumas Willow lake located SE of Drakesbad, just s of the boundary of Lassen Volcanic Nat l Park. 1677 Comment
  UC1584580  Carex lasiocarpa Dean W. Taylor 1990-8-20 11466 Plumas along a minor unnamed tributary, Little Willow Lake Lassen Volcanic National Park, Reading Peak 7 1/2' quad. 1844 Comment
Read comments Jun 8 2006
  CAS-BOT-BC31106  Carex lemmonii George Wilson Gillett 1957-8-2 959 Shasta Wet swale 1/4 mi below Summit Lake and 100 yards S of Corral Meadows trail. 2026 Comment
  CAS-BOT-BC31151  Carex lemmonii Hans Leschke; George Wilson Gillett s.n. Plumas Near Devil's Kitchen. Comment
  CAS-BOT-BC31153  Carex lemmonii John Thomas Howell 1960-7-23 35946 Plumas Meadow near Soda Spring, Drakesbad. 1828 Comment
  CAS-BOT-BC31154  Carex lemmonii John Thomas Howell 1960-7-18 35513 Plumas Wet meadow, Drakesbad. 1828 Comment
  GH424056  Carex lemmonii J. T. Howell 1960-7-23 35946 Unknown Meadow near soda spring, Drakesbad 1676 Comment
  JEPS28343  Carex lemmonii George W. Gillett 1957-7-19 854 Plumas On trail to Sifford Lakes, about 1 1/4 miles above the Devils Kitchen 2057 Comment
  RSA201365  Carex lemmonii J. T. Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1677 Comment
  SD71003  Carex lemmonii John Thomas Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park; Drakesbad; meadow near soda spring. 1676 Comment
  UCD140472  Carex lemmonii John Thomas Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park, Drakesbad. Near Soda Spring. 1676 Comment
  UCD140474  Carex lemmonii John Thomas Howell 1960-7-18 35513 Plumas Lassen Volcanic National Park, Drakesbad. Near Soda Spring. 1676 Comment
  UC1149766  Carex lenticularis var. lipocarpa Harold and Virginia Bailey 1948-8-25 29809 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1149886  Carex lenticularis var. lipocarpa Harold and Virginia Bailey 1948-8-25 3041 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC31520  Carex limosa V. Oswald; Lowell Ahart 1988-8-4 3678 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic Natl Park 1676 Comment
  CHSC44126  Carex limosa V. Oswald; L. Ahart 1988-8-4 3678 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC50435  Carex limosa Vernon H. Oswald 1990-6-22 4313 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. 1767 Comment
  CHSC54423  Carex limosa Vernon H. Oswald 1991-7-17 4747 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  JEPS91024  Carex limosa Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11438 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  JEPS28355  Carex luzulifolia George W. Gillett 1957-7-13 774 Shasta Lower Kings Creek Meadow, near start of Bench Lake trail 2194 Comment
  JEPS28356  Carex luzulifolia George W. Gillett 1957-7-13 773 Shasta Lower Kings Creek Meadow, near start of Bench Lake trail 2194 Comment
  UC727023  Carex luzulifolia A. A. Heller 1941-8-11 1629 Shasta East King Creek Meadow toward Summit Lake; East King Creek Meadow Comment
  CAS-BOT-BC31636  Carex luzulina var. ablata John Thomas Howell 1960-7-23 35942 Plumas Drakesbad, Wet meadow near Soda Spring. 1828 Comment
  JEPS28379  Carex luzulina var. ablata George W. Gillett 1957-8-2 959 Shasta 1/4 mile below Summit Lake and 100 yards south of Corral Meadows Trail 2026 Comment
  CHSC96051  Carex mariposana L. P. Janeway 2006-9-9 8876 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  SEINET8989737 Image available Carex mariposana L. Janeway, Castro, B 2006-1 8876 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km south- west of confluence of Panther Creek and North Arm Rice Creek 1.2 km northeast of Blue Lake.ading Peak .... ' quad. Comment
  JEPS28353  Carex microptera George W. Gillett 1957-7-13 779 Shasta near start of Bench Lake Trail; Lassen Volcanic National Park, Lower Kings Creek Meadow 2194 Comment
  CAS-BOT-BC32227  Carex multicostata John Thomas Howell 1960-7-20 35732 Plumas Boiling Springs Lake to Drakesbad. 1828 Comment
  CHSC85995  Carex multicostata L. P. Janeway 2003-7-19 7910 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. 1853 Comment
  SEINET7568484 Image available Carex multicostata L. P. Janeway 2003-7-19 7910 Plumas Reading Peak 7.5' quad. High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake, 200 m southeast of Little Willow Lake. 1853 Comment
  UC1149765  Carex multicostata Harold and Virginia Bailey 1948-8-25 2982 a Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC119854  Carex nebrascensis John Thomas Howell 1960-7-22 35881 Plumas Wet meadow, Drakesbad 1828 Comment
  CAS-BOT-BC119685  Carex nervina George Wilson Gillett 1957-8-2 963 Shasta Wet swale 1/4 mi below Summit Lake and 100 yds S of Corral Meadows trail. 2026 Comment
  JEPS28362  Carex nervina George W. Gillett 1957-7-13 754 Plumas across creek from the Devils Kitchen (Lassen Volcanic National Park); Lassen Volcanic National Park 1859 Comment
  JEPS28377  Carex nervina George W. Gillett 1957-8-2 963 Shasta 1/4 mile below Summite Lake and 100 yards S of Corral Meadows Trail 2026 Comment
  SEINET4292062 Image available Carex pachycarpa Unknown 2003-1 7910 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. Reading Peak 7.5' quad. Comment
  CAS-BOT-BC119187  Carex pachystachya John Thomas Howell 1960-7-23 35958 A Plumas Meadow near Soda Spring., Drakesbad. 1828 Comment
  CAS-BOT-BC119188  Carex pachystachya John Thomas Howell 1960-7-23 35958 B Plumas Meadow borders, Drakesbad. 1828 Comment
  CAS-BOT-BC119189  Carex pachystachya John Thomas Howell 1960-7-19 35653 Plumas Wet slope near hot springs, Drakesbad. 1828 Comment
  SEINET8989732 Image available Carex pachystachya Unknown 2003-1 7907 Plumas High Cascade Range. Along the south edge of Little Willow Lake. Reading Peak 7.5' quad. Comment
  UC1149763  Carex pachystachya Harold and Virginia Bailey 1948-8-25 2962 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1149764  Carex pachystachya Harold and Virginia Bailey 1948-8-25 2986 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UCD140715  Carex pachystachya John Thomas Howell 1960-7-23 35958 B Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC119009  Carex pellita John Thomas Howell 1960-7-19 35654 Plumas Wet slope near hot springs, Drakesbad 1828 Comment
  JEPS28359  Carex preslii George W. Gillett 1957-7-13 770 Shasta near start of Bench Lake Trail; Lassen Volcanic National Park, Lower Kings Creek Meadow 2194 Comment
  CAS-BOT-BC118609  Carex raynoldsii Roxana S. Ferris; Laura Lorraine 1941-8-10 10470 Shasta Dry Meadow, Lassen National Park, near Summit Lake. 2042 Comment
  UC711904  Carex raynoldsii Roxana S. Ferris and Laura Lorraine 1941-8-10 10470 Shasta near Summit Lake; Lassen National Park 2042 Comment
  UC725736  Carex raynoldsii A. A. Heller 1941-7-24 16263 Shasta near Summit Lake; Lassen Volcanic Nat'l Park Comment
  CAS-BOT-BC118130  Carex rossii John Thomas Howell 1960-7-22 35913 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC118131  Carex rossii John Thomas Howell 1960-7-22 35890 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC118132  Carex rossii John Thomas Howell 1960-7-17 35490 Plumas Drakesbad 1828 Comment
  CHSC96330  Carex rossii L. P. Janeway; B. Castro 2006-9-9 8878 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  UCD140785  Carex rossii John Thomas Howell 1960-7-22 35913 Plumas Devils Kitchen to Drakesbad. Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC28346  Carex scopulorum var. bracteosa Harold Bailey; Virginia Bailey 1948-8-25 3014 C Shasta Summit Lake. Lassen Volcanic National Park. 2040 Comment
  UC1108040  Carex scopulorum var. bracteosa E. B. Copeland 1932-8-15 Lassen King's Creek Meadow, at road crossing Mount Lassen 2225 Comment
  CAS-BOT-BC117739  Carex simulata John Thomas Howell 1960-7-19 35648 Plumas Wet slope near hot springs, Drakesbad. 1828 Comment
  CAS-BOT-BC117755  Carex simulata Hans Leschke 1958-8-16 1558 Shasta Grassy Swales 1950 Comment
  CAS-BOT-BC117825  Carex specifica Harold Bailey; Virginia Bailey 1948-8-25 2982 a Shasta Summit Lake, Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC20694  Carex specifica John Thomas Howell 1960-7-22 35909 Plumas Lassen Volcanic National Park. Devils Kitchen to Drakesbad. 1828 Comment
  SEINET8989740 Image available Carex specifica Unknown 2003-1 7909 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. Reading Peak 7.5' quad. Comment
  UC1598400  Carex spectabilis Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-7-20 4314 Shasta Lassen Park Road Lassen Volcanic National Park Comment
  CAS-BOT-BC114995  Carex subfusca John Thomas Howell 1960-7-22 35875 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC114998  Carex subfusca John Thomas Howell 1960-7-18 35565 Plumas Meadow, Drakesbad. 1828 Comment
  CAS-BOT-BC114999  Carex subfusca John Thomas Howell 1960-7-20 35712 Plumas Dry, open rocky meadow in Drakesbad. 1828 Comment
  JEPS28346  Carex subfusca George W. Gillett 1957-7-19 849 Plumas about 1 1/4 mi above Devil's Kitchen (trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  JEPS28354  Carex subfusca George W. Gillett 1957-7-13 777 Shasta near start of trail to Bench Lake; Lassen Volcanic National Park, Lower Kings Creek Meadow 2194 Comment
  UC1108036  Carex subfusca E. B. Copeland 1952-8-13 Lassen at road crossing King's Creek Meadow; Mount Lassen 2225 Comment
  UCD140911  Carex subfusca John Thomas Howell 1960-7-18 35565 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD140912  Carex subfusca John Thomas Howell 1960-7-22 35875 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC115430  Carex utriculata Hans Leschke 1958-8-16 1551 Shasta Grassy Swales. 1950 Comment
  CAS-BOT-BC115155  Carex vesicaria John Thomas Howell 1960-7-19 35626 Plumas Meadow, Drakesbad. 1828 Comment
  CHSC44128  Carex vesicaria V. Oswald; L. Ahart 1988-8-4 3673 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  UCD140974  Carex vesicaria John Thomas Howell 1960-7-19 35626 Plumas Drakesbad. Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC114936  Carex whitneyi John Thomas Howell 1960-7-20 35733 Plumas Drakesbad, Boiling Springs Lake trail. 1828 Comment
  CHSC85996  Carex whitneyi L. P. Janeway 2003-7-19 7911 Plumas High Cascade Range. At the end-of-the-road trailhead parking for trail to Little Willow Lake; 200 m southeast of Little Willow Lake. 1853 Comment
  CHSC96321  Carex whitneyi L. P. Janeway; B. Castro 2006-9-9 8877 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  JEPS28351  Carex whitneyi George W. Gillett 1957-7-13 783 Shasta Lower Kings Creek Meadow; near start of trail to Bench Lake 2194 Comment
  SEINET7580522 Image available Carex whitneyi L. P. Janeway 2003-7-19 7911 Plumas Reading Peak 7.5' quad, High Cascade Range, at the end-of-the-road trailhead parking for trail to Little Willow Lake, 200 m southeast of Little Willow Lake. 1853 Comment
  CAS-BOT-BC59036  Cassiope mertensiana Tilda Becker 1960-7-23 s.n. Shasta Lassen Volcanic National Park - Sifford Lake 2194 Comment
  UCD117337  Cassiope mertensiana Tilda Becker 1960-7-23 s.n. Shasta Sifford Lake. 2194 Comment
  RSA201219  Cassiope mertensiana subsp. californica Tilda Becker 1960-7-23 s.n. Shasta Sifford Lakes 2195 Comment
  JEPS79377  Castilleja applegatei subsp. pinetorum L. R. Heckard with E. Lim Dhillon and M. Ashton 1979-7-21 5149 Shasta about 2 mi below Summit Lake (along Summit Creek trail, above Corral Meadow); Lassen National Park 1828 Comment
  CAS-BOT-BC243713  Castilleja applegatei var. pinetorum Hans Leschke 1958-8-16 1550 Shasta Lassen Volcanic National Park 1965 Comment
  UC1036216  Castilleja arachnoidea George W. Gillett 1953-8-20 333 Shasta 0.5 mi above Lassen Peak Highway (Cliff Lake trail); Lassen Volcanic National Park 2072 Comment
  UC1558199  Castilleja arachnoidea Harold and Virginia Bailey 1948-8-25 3005 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  JEPS12511  Castilleja lemmonii G. W. Gillett 1955-8-24 488 Shasta upper Grassy Swale (Grassy Swale is a trib of Kings Creek, 150 yds above trail crossing nr center of section); Lassen Volcanic National Park 1950 Comment
  UC1543818  Castilleja lemmonii Harold and Virginia Bailey 1948-8-25 3001 a Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  UCD122571  Castilleja lemmonii D. Sanchez-Mata; P. Rodriguez, R. Gavilan and J. E. Echev. 1996-9-9 s.n. Shasta Summit Lake North. Lassen Volcanic National Park. 2070 Comment
  CAS-BOT-BC254063  Castilleja miniata John Thomas Howell 1960-7-22 35871 Plumas Stream bank, Drakesbad. Plants of Lassen Volcanic National Park 1828 Comment
  UC1034011  Castilleja miniata Francis W. Pennell 1940-7-21 26229 Shasta w of Summit Lake (Route 89); Lassen National Park 1981 Comment
  UC485781  Castilleja miniata H. E. and S. T. Parks Jun 1928 250 Lassen Drakesbad; Lassen National Park Comment
  JEPS79378  Castilleja parviflora L. R. Heckard with E. Lim Dhillon and M. Ashton 1979-7-21 5150 Shasta about 1.5 air mi below Summit Lake (on Drakesbad trail); Lassen National Park 1950 Comment
  UC1543814  Castilleja pilosa Harold and Virginia Bailey 1948-8-25 3000 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  JEPS29553  Castilleja tenuis John Thomas Howell 1960-7-18 35517 Plumas Drakesbad; Lassen Volcanic National Park 1676 Comment
  JEPS4345  Castilleja tenuis W. L. Jepson 1910-6-5 4074 Plumas Hot Springs Valley; Lassen Pk. 1706 Comment
  LA41966  Ceanothus cordulatus Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  LA44875  Ceanothus jepsonii C. W. Hallis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
Read comments May 17 2021
  LA45110  Ceanothus velutinus C. W. Hallis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC52440  Ceanothus velutinus var. velutinus Brighton C. Cain 1925-8-24 115 Lassen Mt. Lassen Volcanic National Park 1 mi. below Drakesbad 1645 Comment
  CAS-BOT-BC63184  Ceanothus velutinus var. velutinus John Thomas Howell 1960-7-20 35782 Plumas Between Borling Springs Lake and Terminal Geyser. 1859 Comment
  CHSC54540  Cephalanthera austiniae Vernon H. Oswald 1991-8-5 4807 Plumas Service road from the south park boundary into Terminal Geyser, ca. 2.5 miles (air) southeast of Drakesbad. Lassen Volcanic National Park. 1706 Comment
  CHSC44145  Ceratophyllum demersum V. Oswald; L. Ahart 1988-8-4 3674 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. S side of the lake. 1676 Comment
  CAS-BOT-BC276725  Chaenactis douglasii var. douglasii John Thomas Howell 1960-8-20 36285 Plumas Kelly Camp, near Drakesbad 1615 Comment
  UCD130278  Chaenactis douglasii var. douglasii John Thomas Howell 1960-8-20 36285 Plumas Kelly Camp, near Drakesbad. 1615 Comment
  JEPS9112  Chamaesaracha nana W. L. Jepson 1910-6-10 4109 Shasta near Lassen Peak (King Creek); King Creek 1676 Comment
  CHSC54398  Chamaesyce maculata Vernon H. Oswald 1991-6-12 4661 Plumas Lassen Volcanic National Park. Terminal Geyser, located between Drakesbad and Willow Lake. 1786 Comment
  CAS-BOT-BC70096  Cheilanthes gracillima Gillett; Li 1957-7-13 s.n. Shasta Slope south of Sifford Lakes 2072 Comment
  HSC991  Cheilanthes gracillima H. E. Parks, S. T. Parks Jun 1928 262 Lassen Mt. Lassen National Park, Drakesbad 2134 Comment
  CHSC58187  Chenopodium atrovirens Vernon H. Oswald; Lowell Ahart 1992-6-22 5007 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Trail just W of Hot Springs Creek. 1658 Comment
  CAS-BOT-BC36276  Chrysolepis sempervirens Cain C. Brighton 1925-8-24 95 Lassen Mt. Lassen Volcanic National Park, 1 mi below Drakesbad 1645 Comment
  RSA201324  Chrysolepis sempervirens J. T. Howell 1960-7-20 35783 Plumas Between boiling Springs Lake and Terminal Geyser. 1860 Comment
  RSA201326  Chrysothamnus nauseosus subsp. albicaulis J. T. Howell 1960-8-20 36283 Plumas Kelly Camp, near Drakesbad. 1616 Comment
  UCR143157  Chrysothamnus nauseosus subsp. albicaulis J. T. Howell 1960-8-20 s.n. Plumas Kelly Camp, near Drakesbad 1616 Comment
  JEPS28638  Cicuta douglasii George W. Gillett 1957-7-18 835 Plumas Lassen Volcanic National Park, at north end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1658 Comment
  CAS-BOT-BC190009  Cinna latifolia John Thomas Howell 1960-7-23 35961 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1828 Comment
  CAS-BOT-BC190010  Cinna latifolia George W. Gillett 1957-7-17 797 -B Plumas Lassen Volcanic National Park. Moist gully running into stream flowing from Little Meadow Lake into Willow Lake. 1767 Comment
  JEPS28277  Cinna latifolia George W. Gillett 1957-7-13 797 .6 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic National Park, Little Willow Lake into Willo 1767 Comment
  UCD59784  Cinna latifolia John Thomas Howell 1960-7-23 35961 Plumas Drakesbad, Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC289618  Cirsium andersonii John Thomas Howell 1960-7-20 35743 Plumas Boiling Springs Lake, Lassen Volcanic National Park 1798 Comment
  CAS-BOT-BC289620  Cirsium andersonii John Thomas Howell 1960-7-19 35684 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC278089  Cirsium douglasii var. breweri John Thomas Howell 1959-9-22 34860 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC278099  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35988 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC278100  Cirsium douglasii var. breweri John Thomas Howell 1960-7-18 35611 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279951  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35986 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279952  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35986 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279953  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35987 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279954  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35989 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279955  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35984 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279956  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35977 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279957  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35977 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279959  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35976 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279960  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35980 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC279961  Cirsium douglasii var. breweri John Thomas Howell 1960-7-24 35979 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC286451  Cirsium scariosum John Thomas Howell 1960-7-24 35985 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC286452  Cirsium scariosum John Thomas Howell 1960-7-24 35983 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC286453  Cirsium scariosum John Thomas Howell 1960-7-24 35982 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC285836  Cirsium vulgare John Thomas Howell 1960-7-20 35755 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  CAS-BOT-BC285837  Cirsium vulgare John Thomas Howell 1960-7-20 35711 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC285838  Cirsium vulgare John Thomas Howell 1959-9-22 34859 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC228911  Cistanthe umbellata John Thomas Howell 1960-7-18 35559 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC86950  Clarkia stellata L. P. Janeway 2001-6-19 7185 Plumas High Cascade Range. Willow Lake; along north side of the lake, above the trail 3-12 m. 1658 Comment
  CAS-BOT-BC451740  Claytonia lanceolata Mrs. H. C. Cantelow 1938-7-4 4206 Plumas S. side Soda Creek. Drakesbad Comment
  CHSC97383  Claytonia lanceolata Jenny Marr; Craig Carter 2006-5-29 234 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  LA207492  Claytonia lanceolata Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC443795  Claytonia rubra subsp. rubra George W. Gillett 1957-7-17 792 Plumas Lassen Volcanic National Park. Stream flowing from Little Willow Lake into Willow Lake. 1767 Comment
  CHSC58194  Collomia linearis Vernon H. Oswald; Lowell Ahart 1992-6-22 5008 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just W of Hot Springs Creek. 1658 Comment
  CHSC44255  Comarum palustre Vernon Oswald 1988-7-19 3608 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the edge of island on the s side of the lake. 1676 Comment
  CHSC54414  Comarum palustre Vernon H. Oswald 1991-7-17 4748 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  UC1036232  Corallorhiza maculata George W. Gillett 1953-8-25 349 Shasta on trail to Corral Meadow 0.25 mi below Summit Lake; Lassen Volcanic National Park, vicinity of Summit Lake 1987 Comment
  CAS-BOT-BC212109  Cornus sericea Hans Leschke 1960-9-9 1808 Shasta Kings Creek CAscades 2133 Comment
  CHSC54524  Cornus sericea subsp. sericea Vernon H. Oswald 1991-8-5 4810 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. 1706 Comment
  CAS-BOT-BC401878  Corydalis caseana subsp. caseana Ella Dales Cantelow 1938-7-4 2295 Plumas Drakesbad Comment
  CAS-BOT-BC376531  Crepis monticola John Thomas Howell 1960-7-19 35678 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS36426  Crepis monticola W. L. Jepson 1910-6-10 4108 Lassen King Creek 1524 Comment
  CHSC58157  Crepis occidentalis subsp. conjuncta Vernon H. Oswald 1992-6-18 4998 Plumas Lassen Volcanic National Park. Warner Valley-Drakesbad Rd. just inside the boundary of the park. Openings bordering the N side of the road. 1615 Comment
  RSA201347A  Cryptantha affinis J. T. Howell 1960-7-17 35487 Plumas Drakesbad. 1677 Comment
  SBBG21892  Cryptantha affinis D. Myrick 1964-7-21 888 Plumas near trail parking area, Drakesbad 1737 Comment
  SD71011  Cryptantha affinis John Thomas Howell 1960-7-17 35487 Plumas Drakesbad 1675 Comment
  UCD119040  Cryptantha affinis John Thomas Howell 1960-7-17 35487 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  RSA201284A  Cryptantha sobolifera J. T. Howell 1960-7-18 35545 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  RSA201344  Cryptantha torreyana J. T. Howell 1960-7-18 35545 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  UCD120098  Cryptantha torreyana John Thomas Howell 1960-7-18 35545 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC224545  Cuscuta californica John Thomas Howell 1960-7-18 35606 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA201283A  Cuscuta californica J. T. Howell 1960-7-19 35689 Plumas Drakesbad 1677 Comment
  RSA201317  Cuscuta californica J. T. Howell 1960-7-19 35689 Plumas Drakesbad 1677 Comment
  UCD126251  Cuscuta californica John Thomas Howell 1960-7-18 35606 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC54865  Cuscuta californica var. californica Vernon H. Oswald 1991-9-11 4864 Plumas Hot springs terrace on the south side of the meadow at Drakesbad; on the south side of Hot Springs Creek. 1731 Comment
  CHSC58495  Cuscuta californica var. californica Vernon H. Oswald; Lowell Ahart 1992-7-6 5063 Plumas On Kelly Mtn. ca. 0.3 mi SW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1813 Comment
  CHSC65422  Cuscuta californica var. californica Vernon H. Oswald 1991-9-11 4864 Plumas Lassen Volcanic Park. Hot springs terrace on the south side of the meadow at Drakesbad; on the south side of Hot Springs Creek. 1731 Comment
  UC1541364  Cycladenia humilis var. humilis H. E. and S. T. Parks 1928-6-20 Lassen Mt. Lassen, Drakesbad 2133 Comment
  JEPS12521  Cymopterus terebinthinus var. californicus George W. Gillett 1955-8-2 454 Shasta near Bench Lake; Lassen Volcanic National Park 2118 Comment
  UCD141196  Cyperus niger John Thomas Howell 1960-8-20 36275 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC113875  Cyperus niger var. capitatus John Thomas Howell 1959-9-22 34871 Plumas On hot spring terraces, Drakesbad. 1737 Comment
  CAS-BOT-BC113876  Cyperus niger var. capitatus John Thomas Howell 1960-8-20 36275 Plumas Wet meadow, Drakesbad 1828 Comment
  CAS-BOT-BC189844  Dactylis glomerata John Thomas Howell 1960-7-22 35878 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC189659  Danthonia californica John Thomas Howell 1960-7-22 34888 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  UCD60679  Danthonia californica var. americana John Thomas Howell 1960-7-22 35888 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UC1558246  Danthonia unispicata Harold and Virginia Bailey 1948-8-25 2981 a Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC8912  Delphinium depauperatum Mrs. H. C. Cantelow 1938-7-4 2304 Plumas Drakesbad Comment
  UC1542895  Delphinium depauperatum Harold E. Parks 1928-6-1 252 Shasta Drakesbad Lassen National Park 1767 Comment
  CAS-BOT-BC116105  Delphinium nuttallianum John Thomas Howell 1960-7-22 35898 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  RSA11966  Dendromecon rigida Elmer I. Applegate 1929-6-21 5783 Plumas Between Kelly's Camp and Drakesbad, Warner Valley, Mt. Lassen region. Comment
  UC1543781  Deschampsia cespitosa Harold and Virginia Bailey 1948-8-25 2963 Shasta Summit Lake Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UC1543782  Deschampsia cespitosa Harold and Virginia Bailey 1948-8-25 3018 Shasta Summit Lake Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UC1558244  Deschampsia cespitosa Harold and Virginia Bailey 1948-8-25 3018 Shasta Summit Lake Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UC1558245  Deschampsia cespitosa Harold and Virginia Bailey 1948-8-25 2963 Shasta Summit Lake Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  CAS-BOT-BC192433  Deschampsia cespitosa subsp. cespitosa John Thomas Howell 1960-7-18 35515 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC192453  Deschampsia cespitosa subsp. cespitosa Hans Leschke 1954-9-25 s.n. Shasta Lower Kings Creek Meadow, Lassen Volcanic National Park 2200 Comment
  CAS-BOT-BC194264  Deschampsia cespitosa subsp. cespitosa George W. Gillett 1957-7-18 826 Plumas West bank of inlet to Willow Lake, near north shore of willow Lake 1661 Comment
  JEPS28313  Deschampsia cespitosa subsp. cespitosa George W. Gillett 1957-7-18 826 Plumas n. shore on w. bank of inlet Willow Lake; Lassen Volcanic Nat'l Park 1661 Comment
  CAS-BOT-BC198151  Deschampsia danthonioides John Thomas Howell 1960-7-19 35619 Plumas Drakesbad - Lassen Volcanic National Park 1828 Comment
  CHSC58051  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1992-6-2 4977 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1767 Comment
  CHSC58206  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1992-6-22 5006 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just inside the park boundary. On the margin of a meadow at the head of Willow Lake. 1658 Comment
  RSA201362  Deschampsia danthonioides J. T. Howell 1960-7-19 35619 Plumas Lassen Volcanic National Park; Drakesbad 1677 Comment
  UCD62856  Deschampsia danthonioides John Thomas Howell 1960-7-19 35619 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC201884  Deschampsia elongata John Thomas Howell 1960-7-19 35621 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC201885  Deschampsia elongata John Thomas Howell 1960-7-21 35819 Plumas Near Terminal Geyser 1828 Comment
  JEPS27983  Deschampsia elongata George W. Gillett 1957-8-2 962 Shasta swale 1/4 mi. below Summit Lake (and 100 yds. s. of Corral Meadows trail); Lassen Volcanic Nat'l Park 2026 Comment
  JEPS28314  Deschampsia elongata George W. Gillett 1957-7-17 801 Plumas near e. inlet to Willow Lake 1661 Comment
  UC1558243  Deschampsia elongata Harold and Virginia Bailey 1948-8-25 2979 b Shasta Summit Lake Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UC1558262  Deschampsia elongata Harold and Virginia Bailey 1948-8-27 2921 b Shasta Summit Lake near corrals Summit Lake; Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UCD63520  Deschampsia elongata John Thomas Howell 1960-7-19 35621 Plumas Drakesbad. 1676 Comment
  LA47693  Dicentra formosa C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC402455  Dicentra formosa subsp. formosa John Thomas Howell 1960-7-20 35719 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC57821  Dicentra uniflora Vernon H. Oswald 1992-5-5 4931 Plumas Lassen Volcanic National Park. Hot Springs Creek ca. 0.5 mi upstream from the park boundary, between Camp Kelley and Drakesbad. 1630 Comment
  CAS-BOT-BC209172  Dichanthelium acuminatum subsp. acuminatum S. Spellenberg 1965-7-15 1229 Plumas Devil's Kitchen, Lassen Volcanic National Park Comment
  CAS-BOT-BC253626  Dichanthelium acuminatum subsp. acuminatum Thomas H. Kearney 1945-8-16 s.n. Plumas Boiling Springs Lake, near Drakesbad, Lassen National Park Comment
  CAS-BOT-BC242665  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  CAS-BOT-BC242666  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  CAS-BOT-BC242667  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 b Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  CAS-BOT-BC242668  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 c Plumas Lassen National Park, Devils Kitchen, Hot Springs Creek canyon, 1.5 miles W. of Drakesbad 1859 Comment
  CAS-BOT-BC246542  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7164 a Plumas Lassen National Park, Drakesbad, 1/8 mile south of guest houses, slope above Hot Springs Creek, edge of warm water from hot springs 1676 Comment
  SEINET241786 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-25 7157 d Plumas Lassen NP ; Devils Kitchen, Hot Springs Creek Canyon, 1.5 miles W. of Drakesbad. 1859 Comment
  JEPS70588 Image available Dichanthelium acuminatum subsp. thermale W. L. Jepson 1910-6-6 4082 Plumas Devil's Kitchen; Hot Springs Valley; Devil's Kitchen, Hot Springs Valley, Plumas Co. 1889 Comment
  SEINET241787 Image available Dichanthelium acuminatum var. fasciculatum Beecher Crampton 1964-8-25 7157 c Plumas Lassen NP ; Devils Kitchen, Hot Springs Creek Canyon, 1.5 miles W. of Drakesbad. 1859 Comment
  CAS-BOT-BC153643  Diplacus jepsonii Roxana S. Ferris; Laura Lorraine 1941-8-10 10463 Shasta Lassen National Park near Summit Lake 2042 Comment
  CAS-BOT-BC136103  Dodecatheon alpinum Mrs. H. C. Cantelow 1938-7-4 2305 Plumas N. side Soda Creek, Drakesbad Comment
  UC1543775  Draba albertina Harold and Virginia Bailey 1948-8-25 3030 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC46701  Drosera X obovata Vernon H. Oswald; Wes Dempsey 1989-8-24 3960 Plumas Little Willow Lake on the s edge of Lassen Volcani ... Field redacted by CHSC, contact the data manager for more information 1828 Comment
  JEPS84397  Drosera X obovata V. Oswald and W. Dempsey 1989-8-24 3960 Plumas 11 air mi nw Chester (s edge of park); Lassen Volcanic National Park, Little Willow Lake 1828 Comment
  JEPS84398  Drosera anglica V. Oswald and W. Dempsey 1989-8-24 3960 Plumas 11 air mi nw Chester (s edge of park); Lassen Volcanic National Park, Little Willow Lake 1828 Comment
  UC108315  Drosera anglica Mrs. R. M. Austin July, 1896 368 Plumas Willow Lake Comment
  UCD99506  Drosera anglica Barry Rice 2004-8-24 BR 040804 Plumas at Willow Lake. Comment
  CAS-BOT-BC401542  Drosera rotundifolia Hans Leschke 1958-8-16 1564 Shasta Lassen Volcanic National Park. Grassy Swales 1935 Comment
  CAS-BOT-BC159308  Drymocallis lactea var. lactea John Thomas Howell 1960-7-18 35554 Plumas Meadow border, Drakesbad - Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC113790  Dulichium arundinaceum V. Oswald; Lowell Ahart 1988-8-4 3662 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic Natl Park. 1676 Comment
  CHSC44258  Dulichium arundinaceum Vernon Oswald 1988-7-19 3602 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC54537  Dulichium arundinaceum V. Oswald; S. Mitchelson, C. Livingston 1991-8-21 4839 Plumas Lassen Volcanic Park. Little Willow Lake located on the south edge the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  CHSC68422  Eleocharis acicularis L. P. Janeway; R. A. Schlising 1988-7-1 2921 Butte Edges of Summit Lake, on the northwest flank of Snow Mountain. 1889 Comment
  CAS-BOT-BC113508  Eleocharis bella John Thomas Howell 1960-7-22 35879 Plumas Wet meadow, Drakesbad. 1828 Comment
  CAS-BOT-BC113509  Eleocharis bella John Thomas Howell 1960-7-19 35706 Plumas Wet meadow, Drakesbad. 1828 Comment
  JEPS28327  Eleocharis palustris George W. Gillett 1957-7-18 827 Plumas Willow Lake, N shore Lassen Volcanic National Park 1661 Comment
  CAS-BOT-BC112053  Eleocharis quinqueflora John Thomas Howell 1960-7-19 35662 Plumas Drakesbad, moist soil near hot springs. 1828 Comment
  CAS-BOT-BC203835  Elymus X hansenii John Thomas Howell 1960-7-18 35597 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC227485  Elymus elymoides Brighton C. Cain 1925-8-25 125 Lassen Horse trail from Drakesbad to summit of Mt. Lassen 2438 Comment
  CAS-BOT-BC227902  Elymus elymoides Hans Leschke 1954-9-25 s.n. Shasta Lassen Volcanic National Park. Lower Kings Creek Meadow 2200 Comment
  UC1543767  Elymus elymoides subsp. elymoides Harold and Virginia Bailey 1948-8-25 3002 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1558241  Elymus elymoides subsp. elymoides Harold and Virginia Bailey 1948-8-25 3002 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  RSA2501309  Elymus glaucus J. T. Howell 1960-7-18 35598 Plumas Lassen Volcanic National Park; Meadow near bath house, Drakesbad 1677 Comment
  UC485750  Elymus glaucus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD61861  Elymus glaucus John Thomas Howell 1960-7-18 35608 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  JEPS28321  Elymus glaucus subsp. glaucus George W. Gillett 1957-8-2 966 Shasta swale 1/4 mi below Summit Lake (100 yd s of Corral Meadow trail); Lassen Volcanic National Park 2026 Comment
  UCD61275  Elymus macounii Carl W. Rimbey 1960-7-18 Plumas Sierra Valley, Gordon Van Vleck Ranch, ca. 5 miles NE Sattley. Comment
  UCD62713  Elymus trachycaulus John Thomas Howell 1960-7-18 35547 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC204249  Elymus trachycaulus subsp. subsecundus John Thomas Howell 1960-7-18 35607 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC54544  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald 1991-8-8 4814 Plumas Lassen Volcanic National Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelley and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. In a meadow located here. 1670 Comment
  UC1543847  Epilobium Harold and Virginia Bailey 1948-8-25 2964 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  SBBG21925  Epilobium ciliatum subsp. ciliatum D. Myrick 1964-7-19 877 Plumas Dream Lake, Drakesbad 1828 Comment
  CHSC54530  Epilobium densiflorum Vernon H. Oswald 1991-8-8 4815 Plumas Lassen Volcanic National Park. Just north of the south boundary of the park at Willow Lake, where the trail to Terminal Geyser crosses Terminal Geyser Creek, ca. 3 miles (air) southeast of Drakesbad. On the bank of the creek. 1658 Comment
  UC1036229  Epilobium glaberrimum subsp. glaberrimum George W. Gillett 1953-8-21 342 Shasta near Corral Meadows (gravel bar); Lassen Volcanic National Park, vicinity of Summit Lake, King 1874 Comment
  CHSC54407  Epilobium hornemannii subsp. hornemannii Vernon H. Oswald 1991-7-8 4705 Plumas Lassen Volcanic National Park. Meadow on the northwest side of Willow Lake, just north of the park boundary. Forest edge near the west gate in the park boundary fence. 1676 Comment
  CHSC81035  Epilobium leptophyllum Vernon H. Oswald; B. Corbin, K. Earll, G. Schoolcraft 2001-7-28 10052 Plumas Willow Lake located west of Kelly Mountain just south of Lassen Volcanic National Park. 1627 Comment
  CHSC54531  Epilobium oregonense Vernon H. Oswald 1991-8-8 4820 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. In a meadow. 1658 Comment
  CAS-BOT-BC56990  Equisetum arvense John Thomas Howell 1959-9-22 34855 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC56991  Equisetum arvense John Thomas Howell 1960-7-19 35661 Plumas Drakesbad 1828 Comment
  CHSC57792  Equisetum arvense Vernon H. Oswald; Lowell Ahart 1992-5-6 4934 b Plumas Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. 1658 Comment
  CAS-BOT-BC57389  Equisetum laevigatum Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Drakesbad 1676 Comment
  CAS-BOT-BC57405  Equisetum laevigatum Mrs. H. C. Cantelow 1938-7-4 s.n. Plumas Drakesbad Comment
  CAS-BOT-BC174306  Eremogone congesta var. suffrutescens John Thomas Howell 1960-7-19 35672 Plumas Drakesbad. Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC174363  Eremogone kingii var. glabrescens George W. Gillett 1957-7-13 765 Plumas Below Sifford Lakes, on direct route to the Devils Kitchen. Lassen Volcanic National Park 2057 Comment
  CAS-BOT-BC181708  Eremogone kingii var. glabrescens Hans Leschke 1957-7-13 765 Shasta Talus below Sifford Lakes - Lassen Volcanic National Park Comment
  CAS-BOT-BC286660  Ericameria bloomeri John Thomas Howell 1960-7-20 35781 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  JEPS29565  Ericameria bloomeri John Thomas Howell 1960-8-20 36282 Plumas near Drakesbad (Kelly Camp; near Lassen Volcanic National Park) 1615 Comment
  RSA201300  Ericameria bloomeri J. T. Howell 1960-8-20 36282 Plumas Kelly Camp, near Drakesbad. 1616 Comment
  RSA201321  Ericameria bloomeri J. T. Howell 1960-8-20 36282 Plumas Kelly Camp, near Drakesbad. 1616 Comment
  JEPS29498  Ericameria nauseosa var. speciosa John Thomas Howell 1960-8-20 36283 Plumas near Drakesbad (Kelly Camp, near Lassen Volcanic National Park); Lassen Volcanic National Park 1615 Comment
  UCD131488  Ericameria nauseosa var. speciosa John Thomas Howell 1960-8-20 36283 Plumas Kelly Camp, near Drakesbad. 1615 Comment
  CHSC54513  Erigeron canadensis Vernon H. Oswald 1991-8-5 4809 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.5 miles (air) southeast of Drakesbad. 1706 Comment
  UC1558261  Erigeron glacialis var. glacialis Harold and Virginia Bailey 1948-8-25 2968 Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC485807  Erigeron inornatus var. inornatus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  LA207073  Eriogonum marifolium Carl Epling; William Robison 1935-7-17 sn Shasta Mt. Lassen, Upper King's Creek 3047 Comment
  UC1543738  Eriogonum marifolium Harold and Virginia Bailey 1948-8-25 3034 b Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC1543740  Eriogonum marifolium Harold and Virginia Bailey 1948-8-25 3004 a Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  CAS-BOT-BC263318  Eriogonum marifolium var. marifolium Tilda Becker 1960-7-23 s.n. Shasta Sifford Lakes, Lassen Park 2194 Comment
  CAS-BOT-BC267378  Eriogonum marifolium var. marifolium John Thomas Howell 1960-7-20 35786 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  CAS-BOT-BC271972  Eriogonum nudum var. pubiflorum John Thomas Howell 1960-7-19 35635 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC269957  Eriogonum spergulinum var. reddingianum John Thomas Howell 1960-7-18 35577 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA201373  Eriogonum spergulinum var. reddingianum J. T. Howell 1960-7-18 35577 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  SBBG21287  Eriogonum spergulinum var. reddingianum D. Myrick 1964-7-21 890 Plumas E of Trail Parking at Drakesbad 1737 Comment
  UCD101249  Eriogonum spergulinum var. reddingianum John Thomas Howell 1960-7-18 35577 Plumas Drakesbad. 1676 Comment
  CHSC58175  Eriogonum umbellatum var. nevadense Vernon H. Oswald 1992-6-18 4996 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. Common in crevices on rocky cliffs bordering the creek. 1621 Comment
  LA207055  Eriogonum umbellatum var. polyanthum C. W. Hallis; 1928-6-30 sn Plumas Mount Lassin National Forest, From the inside of the crater of Cinder Cave, Drakesbad Comment
  CAS-BOT-BC262276  Eriogonum ursinum Hans Leschke 1954-9-21 s.n. Shasta Lassen Volcanic National Park. Kings Creek Falls 2057 Comment
  CAS-BOT-BC262282  Eriogonum ursinum Tilda Becker 1960-7-23 s.n. Shasta Sifford Lakes, Lassen Park 2194 Comment
  HSC17448  Eriogonum ursinum H. E. Parks, S. T. Parks Jun 1928 229 Lassen Mt. Lassen N.P., Drakesbad 1982 Comment
  LA207082  Eriogonum ursinum C. W. Hallis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SBBG21290  Eriogonum ursinum D. Myrick 1964-7-21 898 Shasta Flatiron Ridge above Drakesbad 1981 Comment
  UC485764  Eriogonum ursinum H. E. and S. T. Parks June, 1928 229 Plumas Drakesbad Lassen National Park, Drakesbad Comment
  CHSC44259  Eriophorum gracile Vernon Oswald 1988-7-19 3605 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC54425  Eriophorum gracile Vernon H. Oswald 1991-7-17 4746 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  SEINET198557 Image available Erythranthe lewisii George W. Gillett 1953-1 325 Shasta Lassen Volcanic National Park ; Vicinity of Kings Creek Falls. 2164 Comment
  CHSC54426  Erythronium purpurascens Vernon H. Oswald 1991-6-17 4670 Plumas Little Willow Lake, located ca. 2.5 miles (air) south-southeast of Drakesbad. Lassen Volcanic National Park. 1844 Comment
  CAS-BOT-BC310389  Eucephalus breweri Hans Leschke 1958-8-16 1549 Shasta Lassen Volcanic National Park. Grassy Swales 1965 Comment
  CAS-BOT-BC310390  Eucephalus breweri Hans Leschke 1959-8-3 1593 Shasta Lassen Volcanic National Park. Grassy Swales 1935 Comment
  UC1326251  Eucephalus breweri Milo S. Baker 1947-8-12 11985 Shasta Summit Lake Camp Mt. Lassen National Park 2042 Comment
  UC1558256  Eucephalus breweri Harold and Virginia Bailey 1948-8-25 3034 a Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1036226  Eurybia integrifolia George W. Gillett 1953-8-21 339 Shasta near Corral Meadows; Lassen Volcanic National Park, Kings Creek, Summit Lake 1844 Comment
  CAS-BOT-BC278465  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UCD66090  Festuca idahoensis John Thomas Howell 1960-7-22 35885 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC279026  Festuca rubra John Thomas Howell 1960-7-18 35551 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC278635  Festuca subulata John Thomas Howell 1960-7-19 35641 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC54404  Floerkea proserpinacoides Vernon H. Oswald 1991-6-12 4656 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. Meadow just north of the park boundary. 1658 Comment
  CHSC58035  Frangula rubra Vernon H. Oswald; Lowell Ahart 1992-6-2 4972 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1795 Comment
  CHSC58198  Galium aparine Vernon H. Oswald; Lowell Ahart 1992-6-22 5009 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just W of Hot Springs Creek. 1658 Comment
  UC1558258  Galium bifolium Harold and Virginia Bailey 1948-8-25 3026 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC58513  Galium bolanderi Vernon Oswald; Lowell Ahart 1992-7-6 5070 Plumas Lassen Volcanic National Park. On Kelly Mtn. Ca. 0.5 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1792 Comment
  SBBG21775  Galium trifidum D. Myrick 1964-7-21 895 Plumas trail parking area, Drakesbad 1737 Comment
  JEPS29543  Galium trifidum var. pacificum John Thomas Howell 1960-7-23 35959 Plumas Drakesbad Lassen Volcanic National Park (nr. soda spring) 1676 Comment
  JEPS29544  Galium trifidum var. pacificum John Thomas Howell 1960-7-18 35519 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  UC1558259  Galium trifidum var. pusillum Harold and Virginia Bailey 1948-8-27 2920 e Shasta in meadow near corrals; Lassen Volcanic National Park, Summit Lake 2040 Comment
  SBBG21798  Gayophytum diffusum subsp. diffusum D. Myrick 1964-7-21 891 Plumas E of trail parking area, Drakesbad 1737 Comment
  POM183993  Gayophytum diffusum subsp. parviflorum H. F. Copeland 1932-8-24 s.n. Plumas Drakesbad 1829 Comment
  UC485791  Gayophytum diffusum subsp. parviflorum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UC1543846  Gayophytum ramosissimum Harold and Virginia Bailey 1948-8-25 2977 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC725738  Gentianopsis simplex A. A. Heller 1942-9-7 16536 Lassen shore of Summit Lake, Lassen Volcanic Nat'l Park Lassen Volcanic Nat'l Park, Summit Lake Comment
  CHSC58538  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1992-7-6 5074 Plumas Lassen Volcanic Park. W side of Little Willow Lake, near the S boundary of the park. 1834 Comment
  CHSC59155  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1992-7-6 5067 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.5 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). On the edge of a meadow surrounding an unmapped pond. 1780 Comment
  CAS-BOT-BC282709  Glyceria elata John Thomas Howell 1960-7-23 35941 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC282711  Glyceria elata John Thomas Howell 1960-7-20 35721 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  JEPS28296  Glyceria elata George W. Gillett 1957-7-18 828 Plumas n shore Willow Lake; Lassen Volcanic National Park 1661 Comment
  JEPS28297  Glyceria elata George W. Gillett 1957-7-17 797 -a Plumas stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  UC1543779  Glyceria elata Harold and Virginia Bailey 1948-8-25 3040 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  UC1543789  Glyceria elata Harold and Virginia Bailey 1948-8-25 3040 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  UC1738818  Glyceria elata Dean W. Taylor 1990-8-20 11465 Plumas Lassen National Park, Little Willow Lake, along a minor unnamed tributary 1844 Comment
  UCD66837  Glyceria elata John Thomas Howell 1960-7-23 35941 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC307377  Gnaphalium palustre John Thomas Howell 1960-7-18 35540 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC307378  Gnaphalium palustre John Thomas Howell 1959-9-22 34865 Plumas Drakesbad 1737 Comment
  RSA201261A  Gnaphalium palustre J. T. Howell 1959-9-22 34865 Plumas Plants of Lassen Volcanic National Park. On Pinus Murrayana, Drakesbad, 1677 Comment
  RSA201320  Gnaphalium palustre J. T. Howell 1959-9-22 34865 Plumas Lassen Volcanic National Park: Drakesbad. 1677 Comment
  SBBG21774  Gnaphalium palustre D. Myrick 1964-7-21 903 Plumas Drakesbad 1737 Comment
  UC485800  Gnaphalium palustre H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD132414  Gnaphalium palustre John Thomas Howell 1960-7-18 35540 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  SEINET12595842  Hackelia californica F. J. Herman 1931-7-5 s.n. Shasta Lassen Volcanic National Park. 1768 Comment
  UC485778  Hackelia californica H. E. and S. T. Parks 1928-6-1 249 Plumas Drakesbad Comment
  UCD119372  Hackelia californica John Thomas Howell 1960-7-19 35668 Plumas Drakesbad. 1676 Comment
  CHSC58162  Hackelia micrantha Vernon H. Oswald 1992-6-18 4987 Plumas Lassen Volcanic National Park. Warner Valley: N side of Hot Spring Creek ca. 0.2 mi upstream from the boundary of the park. 1609 Comment
  RSA8567  Hackelia micrantha Elmer I. Applegate 1929-6-20 5761 Plumas Between Camp Kelly and Drakesbad, Warner Valley, Mt Lassen region. Comment
  SEINET3841327 Image available Hackelia micrantha Johnnie L. Gentry Jr., David O. Vierig 1968-6-19 2068 Shasta Lassen Volcanic National Park, above Sulfur Works 2073 Comment
  UC485779  Hackelia micrantha H. E. and S. T. Parks June, 1928 249 Plumas Drakesbad; Lassen National Park Comment
  UC726223  Hackelia micrantha A. A. Heller 1941-8-11 16290 Shasta e of King Creek (toward Summit Lake) Comment
  CHSC44261  Hastingsia alba Vernon Oswald 1988-7-19 3593 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  SBBG21835  Hastingsia alba D. Myrick 1964-7-20 886 Plumas near Willow Lake, S of Drakesbad 1981 Comment
  CAS-BOT-BC306690  Helenium bigelovii John Thomas Howell 1960-7-18 35532 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS29573  Helenium bigelovii John Thomas Howell 1960-7-18 35532 Plumas Drakesbad Lassen Volcanic National Park, Drakesbad 1676 Comment
  CHSC54518  Helianthella californica var. nevadensis Vernon H. Oswald 1991-8-8 4813 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelley and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. Bordering the east side of a meadow located here. 1670 Comment
  CHSC58158  Helianthella californica var. nevadensis Vernon H. Oswald 1992-6-18 4995 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. 1621 Comment
  CHSC58159  Hemizonella minima Vernon H. Oswald 1992-6-18 4993 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. Surrounding a small snow lake (not shown on map) slightly SW of rocky cliffs bordering the creek. 1633 Comment
  CAS-BOT-BC319620  Hieracium albiflorum John Thomas Howell 1960-7-19 35709 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC319658  Hieracium albiflorum Hans Leschke 1959-8-3 1597 Shasta Grassy Swales, Lassen Volcanic National Park Comment
  UC1558250  Hieracium albiflorum Harold and Virginia Bailey 1948-8-25 3021 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1558254  Hieracium albiflorum Harold and Virginia Bailey 1948-8-25 2998 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC485803  Hieracium albiflorum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CHSC54516  Hieracium gracile Vernon H. Oswald 1991-8-5 4800 Plumas Lassen Volcanic National Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  CHSC54431  Hieracium scouleri var. nudicaule Vernon H. Oswald 1991-7-17 4755 Plumas Forest Rd 29N16 (Little Willow Lake Rd), 0.4 miles north of its junction with Rd 29N18 (Upper Rice Creek Rd), ca. 3 miles (air) south of Drakesbad and 0.5 mile (air) south of Little Willow Lake. 1874 Comment
  UC1036225  Hieracium triste George W. Gillett 1953-8-21 338 Shasta 0.25 mi below Summit Lake; Lassen Volcanic National Park. Trail to Corral Meadow 2011 Comment
  LA207928  Holodiscus discolor var. glabrescens Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC150122  Holodiscus microphyllus var. glabrescens Tilda Becker 1960-7-23 s.n. Shasta Sifford Lakes, Lassen Park 2194 Comment
  CHSC48851  Horkelia fusca subsp. tenella Vernon Oswald 1984-7-12 1573 Plumas S side of Lotts Lake. 1975 Comment
  CHSC58189  Hosackia crassifolia var. crassifolia Vernon H. Oswald; Lowell Ahart 1992-6-22 5012 Plumas Lassen Volcanic National Park. Litlte Willow Creek between Willow Lake and access road into Terminal Geyser. 1676 Comment
  HSC98314  Hosackia oblongifolia H. E. Parks, S. T. Parks Jun 1928 239 Plumas Lassen National Park, Drakesbad 1738 Comment
  CHSC59138  Hosackia oblongifolia var. oblongifolia Vernon H. Oswald 1992-7-21 5137 Shasta Lassen Volcanic National Park. Lassen Hwy. between Summit Lake and Kings Creek, 0.7 mi E of the trail to Kings Creek Falls. 2237 Comment
  SBBG21859  Hosackia oblongifolia var. oblongifolia D. Myrick 1964-7-21 902 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC400944  Hypericum anagalloides John Thomas Howell 1960-7-18 35518 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC1543850  Hypericum anagalloides Harold and Virginia Bailey 1948-8-27 2920 a Shasta meadows near corrals Summit Lake; Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UC1543851  Hypericum anagalloides Harold and Virginia Bailey 1948-8-25 3042 d Shasta Summit Lake Lassen Volcanic Nat'l Park, Summit Lake 2040 Comment
  UCD110345  Hypericum anagalloides D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-9 s.n. Shasta Lassen Volcanic National Park, Summit Lake North. 2070 Comment
  CAS-BOT-BC401310  Hypericum scouleri B. C. Cain 1925-8-24 87 Lassen 1 mile below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  UC1541556  Ipomopsis aggregata H. E. and S. T. Parks 1928-6-1 242 Shasta Drakesbad Lassen National Park 1615 Comment
  CHSC58016  Isoetes nuttallii Vernon H. Oswald; Lowell Ahart 1992-6-2 4976 Plumas Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. Lassen Volcanic National Park. 1767 Comment
  JEPS28601  Juncus George W. Gillett 1957-7-13 769 Shasta Lower Kings Creek Meadow Lassen Volcanic National Park (near start of Bench Lake trail) 2194 Comment
  UCD141383  Juncus bufonius John Thomas Howell 1960-7-19 35705 Plumas Drakesbad, Lassen Volcanic National Park. 1676 Comment
  UCD141415  Juncus bufonius var. occidentalis John Thomas Howell 1960-7-21 35810 Plumas Lassen Volcanic National Park. Near Terminal Geyser. 1828 Comment
  JEPS28603  Juncus drummondii George W. Gillett 1957-7-13 776 Shasta near start of Bench Lake Trail; Lassen Volcanic National Park, Lower Kings Creek Meadow 2194 Comment
  RSA201266  Juncus effusus subsp. pacificus J. T. Howell 1959-9-22 34857 Plumas Lassen Volcanic National Park: Drakesbad. 1677 Comment
  UCD141509  Juncus effusus subsp. pacificus John Thomas Howell 1960-7-20 35770 Plumas Boiling Springs Lake. Lassen Volcanic National Park. 1798 Comment
  UC485754  Juncus ensifolius H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UC1149889  Juncus howellii Harold and Virginia Bailey 1948-8-25 2987 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UCD141555  Juncus howellii John Thomas Howell 1960-7-18 35512 Plumas Drakesbad. 1676 Comment
  JEPS28605  Juncus mertensianus George W. Gillett 1957-7-13 782 Shasta near start trail to Bench Lake; Lassen Volcanic National Park, Lower Kings Creek Meadow 2194 Comment
  CHSC58534  Juncus nevadensis Vernon H. Oswald; Lowell Ahart 1992-7-6 5065 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.6 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). In a meadow. 1770 Comment
  JEPS28604  Juncus nevadensis George W. Gillett 1957-7-13 780 Shasta near start of Bench Lake trail; Lassen Volcanic National Park, Lower Kings Creek Meadow 2194 Comment
  JEPS28719  Juncus nevadensis George W. Gillett 1957-8-2 967 Shasta 0.25 mi below Summit Lake (and 100 yds s of Corral Meadow trail); Lassen Volcanic National Park 2026 Comment
  UC1149767  Juncus nevadensis Harold and Virginia Bailey 1948-8-28 3019 b Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1149774  Juncus nevadensis Harold and Virginia Bailey 1948-8-25 2982 c Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC54539  Juncus occidentalis Vernon H. Oswald 1991-8-8 4818 Plumas Lassen Volcanic Park. Trail to Terminal Geyser just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. Along the trail. 1658 Comment
  RSA201299  Juncus occidentalis J. T. Howell 1960-7-20 35753 Plumas Boilings Springs Lake; Lassen Volcanic National Park 1799 Comment
  SD71005  Juncus occidentalis John Thomas Howell 1960-7-18 35550 Plumas Lassen Volcanic National Park, meadow, Drakesbad. 1676 Comment
  SBBG21939  Juncus orthophyllus D. Myrick 1964-7-21 889 Plumas E of trail parking area, Drakesbad 1737 Comment
  CAS-BOT-BC58899  Kalmia microphylla subsp. microphylla V. Oswald; L. Ahart 1988-8-4 3671 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  SEINET11245669 Image available Kalmia microphylla subsp. microphylla Emily Gillespie, Zack Murrell 2006-8-5 06 -020 Shasta Mineral, Meadow along Hwy 89, near Summit Lake. Lassen Volcanic National Park 2042 Comment
  LA41755  Kalmia polifolia C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC44144  Kalmia polifolia subsp. microphylla Vernon H. Oswald; Lowell Ahart 1988-8-4 3671 Plumas On the s side of Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC54395  Kalmia polifolia subsp. microphylla Vernon H. Oswald 1991-6-17 4772 Plumas Lassen Volcanic National Park. Little Willow Lake, located ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  JEPS90926  Kalmia polifolia subsp. polifolia Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11441 Plumas Cascade Mountains, Lassen National Park, Little Willow Lake Little Willow Lake; Cascade Mountains, Lassen Nat'l Park, Little Willow Lake 1874 Comment
  CHSC97385  Kalmia polifolia var. microphylla Jenny Marr; Craig Carter 2006-5-29 236 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  JEPS29545  Kelloggia galioides John Thomas Howell 1960-7-17 35489 Plumas Drakesbad; Lassen Volcanic National Park 1676 Comment
  CHSC58029  Lathyrus nevadensis var. nevadensis Vernon H. Oswald 1992-5-21 4946 Plumas Warner Valley on the N side of Hot Springs Creek just within the park boundary. 1606 Comment
  CAS-BOT-BC245657  Lemna turionifera John Thomas Howell 1960-7-22 35868 Plumas Meadow pond, Drakesbad, Lassen Volcanic National Park 1828 Comment
  UCD118767  Leptosiphon harknessii John Thomas Howell 1960-7-18 35556 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC444177  Lewisia nevadensis John Thomas Howell 1960-7-22 35921 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC444559  Lewisia triphylla Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad, Lassen Volcanic Park. Comment
  CAS-BOT-BC444561  Lewisia triphylla John Thomas Howell 1960-7-21 35815 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1828 Comment
  CAS-BOT-BC444562  Lewisia triphylla John Thomas Howell 1960-7-22 35897 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  JEPS28607  Ligusticum grayi George W. Gillett 1957-7-17 789 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake (Lassen Volcanic Nat'l Park); Lassen Volcanic Nat'l Park 1767 Comment
  UCD127557  Ligusticum grayi John Thomas Howell 1960-7-23 35935 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC130512  Lilium pardalinum B. C. Cain 1925-8-24 99 Lassen 1 mi. below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  UC485771  Lilium parvum H. E. Parks Jun 1928 222 Lassen Drakesbad; Lassen National Park Comment
Read comments Dec 13 2006
  LA22092  Lilium washingtonianum C. W. Hollis; June 1730 1928 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  JEPS58329  Linanthus ciliatus H. F. Copeland 1932-8-24 Plumas Drakesbad Sierra Nevada 1828 Comment
  UC485788  Linanthus ciliatus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UC485789  Linanthus harknessii H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CHSC54417  Lithophragma tenellum Vernon H. Oswald 1991-6-17 4666 Plumas Lassen Volcanic National Park. Drakesbad, near the trail to Boiling Springs Lake and Devil's Kitchen, south of the swimming pool at the resport. 1734 Comment
  JEPS650  Lithophragma tenellum Viola Brainerd Baird 1921-7-4 Lassen Drakesbad, (Resort) Comment
  CAS-BOT-BC269066  Lolium perenne John Thomas Howell 1960-7-18 35567 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC58207  Lolium perenne Vernon H. Oswald; Lowell Ahart 1992-6-22 5023 Plumas Lassen Volcanic National Park. Leveled drilling platform surrounding the well-head at Terminal Geyser. 1767 Comment
  CHSC54521  Lonicera cauriana Vernon H. Oswald 1991-8-5 4805 Plumas Lassen Volcanic National Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  UC1543838  Lotus Harold and Virginia Bailey 1948-8-25 3062 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC485774  Lotus oblongifolius var. oblongifolius H. E. and S. T. Parks Jun 1928 239 Plumas Drakesbad Lassen National Park Comment
  UC485777  Lotus purshianus var. purshianus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  RSA201340  Lotus unifoliolatus J. T. Howell 1960-7-18 35568 Plumas Drakesbad 1677 Comment
  UC1543828  Lupinus Harold and Virginia Bailey 1948-8-25 3039 Shasta Summit Lake; Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC1543829  Lupinus Harold and Virginia Bailey 1948-8-25 3038 Shasta Summit Lake; Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC1543830  Lupinus Harold and Virginia Bailey 1948-8-25 3045 Shasta Summit Lake and meadows surrounding lake Summit Lake (Lassen Volcanic National Park); , Summit Lake 2040 Comment
  UC1543839  Lupinus Harold and Virginia Bailey 1948-8-25 3022 Shasta Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC1543842  Lupinus Harold and Virginia Bailey 1948-8-25 3022 Shasta Summit Lake; Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC726945  Lupinus A. A. Heller 1942-8-14 16527 Shasta opposite (s) Summit Lake Camp Ground; (s of) Summit Lake Camp Ground 2040 Comment
  SEINET194322  Lupinus albifrons A. A. Heller 1943-8-23 Shasta Lassen Volicanic National Park; Upper Ky Creek Meadow. Lassen Volcanic National Park. Comment
  CHSC27936  Lupinus angustiflorus M. S. Taylor 1974-6-20 314 Lassen Abundant around Crater Lake, Lassen National Park. Comment
  UC1094042  Lupinus angustiflorus Lewis S. Rose 1955-7-18 55137 Shasta near Summit Lake (Lassen Volcanic National Park); , near Summit Lake 1889 Comment
  UC726354  Lupinus angustiflorus A. A. Heller 1941-8-11 16292 Shasta E of King Creek Meadow toward Summit Lake Comment
  UC1543840  Lupinus arbustus Harold and Virginia Bailey 1948-8-25 2993 Shasta Summit Lake , Summit Lake (Lassen Volcanic National Park) 2040 Comment
  UC501350  Lupinus arbustus H. E. and S. T. Parks June, 1928 240 Plumas Drakesbad Comment
  UC501351  Lupinus arbustus H. E. and S. T. Parks June, 1928 240 Plumas Drakesbad , Drakesbad (Lassen National Park) Comment
  RSA11955  Lupinus arbustus subsp. silvicola Elmer I. Applegate 1929-6-21 5781 Plumas Between Kellys Camp and Drakesbad, Warner Valley, Mt. Lassen region. Comment
  SEINET194326  Lupinus laxiflorus var. laxiflorus A. A. Heller 1942-8-14 16527 Shasta Slope south of Simmit Lake Campground. Canadian Zone. 2041 Comment
  SBBG21869  Lupinus polyphyllus var. burkei D. Myrick 1964-7-19 875 Plumas Dream Lake, Drakesbad 1828 Comment
  UC1543841  Lupinus polyphyllus var. burkei Harold and Virginia Bailey 1948-8-25 2984 Shasta Summit Lake; Lassen Volcanic National Park, Summit Lake 2040 Comment
  CAS-BOT-BC436674  Luzula comosa var. laxa John Thomas Howell 1960-7-20 35739 Plumas Lassen Volcanic National Park: Boiling Springs Lake to Drakesbad 1828 Comment
  CHSC96320  Luzula comosa var. laxa L. P. Janeway; B. Castro 2006-9-9 8879 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  JEPS28592  Luzula comosa var. laxa George W. Gillett 1957-7-13 751 Plumas Lassen Volcanic National Park. Across the creek from Devils Kitchen 1859 Comment
  JEPS28609  Luzula comosa var. laxa George W. Gillett 1957-7-17 787 Plumas Lassen Volcanic National Park, Willow Lake 1767 Comment
  UC1149924  Luzula comosa var. laxa Harold and Virginia Bailey 1948-8-25 3014 a Shasta Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC711921  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine 1941-8-10 10465 Shasta Lassen National Park near Summit Lake 2042 Comment
  CHSC46706  Lycopus uniflorus V. Oswald; W. Dempsey 1989-8-24 3961 Plumas Little Willow Lake on the s edge of Lassen Volcanic National Park, ca. 11 mi (air) nw of Chester. On the margin of the lake. 1828 Comment
  JEPS91052  Lycopus uniflorus Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11439 Plumas Cascade Mountains, Lassen National Park, Little Willow Lake Little Willow Lake; Cascade Mountains, Lassen National Park, Little Willow Lake 1874 Comment
  JEPS91367  Lycopus uniflorus Dean W. Taylor 1990-8-20 11463 Plumas Lassen National Park, Little Willow Lake, along a minor unnamed tributary 1844 Comment
  RSA500422  Lycopus uniflorus Vernon H. Oswald 1989-8-3 3917 Plumas Willow lake located SE of Drakesbad, just s of the boundary of Lassen Volcanic Nat l Park. 1677 Comment
  UC1584576  Lycopus uniflorus Dean W. Taylor 1990-8-20 11463 Plumas along minor unnamed tributary Little Willow Lake; Lassen Volcanic Nat'l Park, Reading Peak 7 1/2' Quad. 1844 Comment
  JEPS28642  Lysimachia thyrsiflora George W. Gillett 1957-7-18 839 Plumas Lassen Volcanic National Park, at n end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1661 Comment
  CHSC48176  Madia citrigracilis Vernon Oswald 1988-7-19 3592 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the n side of the lake. 1676 Comment
  CHSC54391  Madia citrigracilis Vernon H. Oswald 1991-7-8 4699 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just within the south park boundary. 1676 Comment
  CHSC55797  Madia citrigracilis Vernon H. Oswald 1991-9-11 4871 Plumas Lassen Volcanic Park. Hot Springs Creek just downstream from the Ranger Station at Drakesbad. Along the edge of the creek. 1658 Comment
  CAS-BOT-BC342866  Madia glomerata John Thomas Howell 1960-7-18 35601 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SBBG21778  Madia glomerata D. Myrick 1964-7-21 893 Plumas E of trail parking area, Drakesbad 1737 Comment
  UCD134269  Madia glomerata John Thomas Howell 1960-7-18 35601 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC343277  Madia gracilis John Thomas Howell 1960-7-18 35584 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS29575  Madia gracilis John Thomas Howell 1960-7-18 35584 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  CAS-BOT-BC269222  Melica aristata John Thomas Howell 1960-7-22 35902 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC269223  Melica aristata John Thomas Howell 1960-7-17 35486 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC269225  Melica aristata John Thomas Howell 1960-7-21 35823 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1798 Comment
  UCD86256  Melica aristata John Thomas Howell 1960-7-21 35823 Plumas Lassen Volcanic National Park. Near Terminal Geyser. 1798 Comment
  CAS-BOT-BC282099  Melica fugax Hans Leschke 1954-7-3 s.n. Plumas Lassen Volcanic National Park. 0.25 mile SE of Boiling Springs Lake 1859 Comment
  CAS-BOT-BC282101  Melica fugax John Thomas Howell 1960-7-22 35905 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  RSA201315  Melica fugax J. T. Howell 1960-7-18 35603 Plumas Drakesbad. Lassen Volcanic National Park. 1677 Comment
  UCD87286  Melica fugax John Thomas Howell 1960-7-18 35603 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC264180  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Devil's Kitchen to Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC264185  Melica subulata George W. Gillett 1957-7-17 793 Plumas Stream flowing from Little Willow Lake into Willow Lake 1767 Comment
  CHSC58208  Melica subulata Vernon H. Oswald; Lowell Ahart 1992-6-22 5015 Plumas Lassen Volcanic National Park. Service road between the S park boundary and Terminal Geyser, ca. 0.3 mi E of Little Willow Lake. Along the edge of the road. 1767 Comment
  JEPS28298  Melica subulata George W. Gillett 1957-7-17 793 Plumas from Little Willow Lake to Willow Lake; Lassen Volcanic National Park 1767 Comment
  RSA201301  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  RSA201358  Melica subulata J. T. Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad 1677 Comment
  UCD88624  Melica subulata John Thomas Howell 1960-7-22 35903 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad. 1676 Comment
  CHSC50554  Menyanthes trifoliata Vernon Oswald 1990-6-22 4316 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. 9 mi (air) northwest of Chester. Common emergent aquatic along the marshy margin of the lake and on floating sphagnum bogs. 1767 Comment
  CHSC54405  Menyanthes trifoliata Vernon H. Oswald 1991-6-17 4671 Plumas Lassen Volcanic National Park. Little Willow Lake, located ca. 2.5 miles (air) south-southeast of Drakesbad. Common in shallow water and on quaking bogs in the lake. 1844 Comment
  CHSC97384  Menyanthes trifoliata Jenny Marr; Craig Carter 2006-5-29 235 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  LA204231  Mertensia ciliata var. stomatechoides C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
Read comments Mar 23 2015
  LA209005  Micranthes integrifolia Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  CHSC58044  Micranthes nidifica Vernon H. Oswald 1992-5-21 4949 Plumas Lassen Volcanic National Park. Warner Valley just east of the Ranger Station. Along a drainage between the road and Hot Springs Creek. 1639 Comment
  CAS-BOT-BC429237  Micranthes oregana Milo S. Baker 1926-8-28 314 b-'26 Plumas Drakesbad Comment
  CAS-BOT-BC429239  Micranthes oregana Ella Dales Cantelow 1938-7-4 2310 Plumas Drakesbad. Comment
  CAS-BOT-BC429240  Micranthes oregana John Thomas Howell 1960-7-23 35963 Plumas Lassen Volcanic National Park. Dream Lake, Drakesbad 1828 Comment
  CAS-BOT-BC349336  Microseris nutans John Thomas Howell 1960-7-21 35807 Plumas Lassen Volcanic National Park. Near Terminal Geyser 1828 Comment
  CAS-BOT-BC349343  Microseris nutans Mrs. H. C. Cantelow 1938-7-5 2313 Plumas Flatiron Ridge, Drakesbad 1828 Comment
  SBBG21768  Microseris nutans D. Myrick 1964-7-19 869 Plumas trail to Boiling Lake, Drakesbad 1737 Comment
  UC485810  Microseris nutans H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  JEPS11715  Mimulus breweri Francis W. Pennell 1940-7-21 26220 Shasta w Summit Lake (Route 89); Lassen National Park 1981 Comment
  JEPS28589  Mimulus breweri George W. Gillett 1957-7-13 744 Shasta near trail up the Flatiron from Drakesbad; Lassen Volcanic National Park 1859 Comment
  JEPS28611  Mimulus breweri George W. Gillett 1957-7-17 791 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic National Park 1767 Comment
  UC1023726  Mimulus breweri Francis W. Pennell 1940-7-21 26220 Shasta w Summit Lake (Route 89); Lassen National Park 1981 Comment
  UC711913  Mimulus breweri Roxana S. Ferris and Laura Lorraine 1941-8-10 10478 Shasta near Summit Lake; Lassen National Park 2042 Comment
  JEPS9330  Mimulus guttatus George W. Gillett 1953-7-23 296 Shasta 3 mi above Summit Lake (Lassen Peak Highway); Lassen Volcanic National Park 2194 Comment
  LA209360  Mimulus guttatus Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SBBG21886  Mimulus guttatus D. Myrick 1964-7-20 884 Plumas near Willow Lake, S of Drakesbad 1981 Comment
  UC1034013  Mimulus guttatus Francis W. Pennell 1940-7-21 26221 Shasta w Summit Lake (Route 89); Lassen National Park 1981 Comment
  UC1543762  Mimulus guttatus Harold and Virginia Bailey 1948-8-25 3011 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  JEPS9333  Mimulus lewisii George W. Gillett 1953-8-12 325 Shasta vicinity Kings Creek Falls; Lassen Volcanic National Park 2164 Comment
  UC1036162  Mimulus lewisii George W. Gillett 1953-8-12 325 Shasta vicinity Kings Creek Falls; Lassen Volcanic National Park 2164 Comment
  JEPS9332  Mimulus moniliformis George W. Gillett 1953-8-12 326 Shasta 1 mi below Kings Creek Falls; Lassen Volcanic National Park 1935 Comment
  UC1036163  Mimulus moniliformis George W. Gillett 1953-8-12 326 Shasta 1 mi below Kings Creek Falls; Lassen Volcanic National Park 1935 Comment
  UC1543765  Mimulus moniliformis Harold and Virginia Bailey 1948-8-25 2971 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC54418  Mimulus moschatus Vernon H. Oswald 1991-6-17 4669 Plumas Lassen Volcanic National Park. Drakesbad, along Hot Springs Creek west of the resort. 1752 Comment
  HSC20817  Mimulus moschatus H. E. Parks, S. T. Parks Jun 1928 243 Plumas Lassen National Park, Drakesbad 1738 Comment
  UC711914  Mimulus nanus var. jepsonii Roxana S. Ferris and Laura Lorraine 1941-8-10 10463 Shasta near Summit Lake; Lassen National Park 2042 Comment
  JEPS29551  Mimulus primuloides John Thomas Howell 1960-7-23 35952 Plumas Drakesbad Lassen Volcaninc National Park 1676 Comment
  UC1543764  Mimulus primuloides Harold and Virginia Bailey 1948-8-28 2973 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UCD122882  Mimulus primuloides John Thomas Howell 1960-7-23 35952 Plumas near Soda Springs, Drakesbad. 1676 Comment
  GH367327  Mimulus tilingii F. W. Pennell 1940-7-21 26222 Unknown Route 89, west of Summit Lake, Lassen National Park 1981 Comment
  UC1024361  Mimulus tilingii George W. Gillett 1953-7-23 296 Shasta 3 mi above Summit Lake (Lassen Peak Hwy); Lassen Volcanic National Park 2194 Comment
  UC1034012  Mimulus tilingii Francis W. Pennell 1940-7-21 26222 Shasta Route 89 w Summit Lake; Lassen National Park 1981 Comment
  JEPS13354  Mimulus torreyi H. E. and S. T. Parks June, 1928 2417 Plumas Drakesbad Resort, head of valley Lassen National Park, Warner Valley 1798 Comment
  JEPS18872  Mimulus torreyi George Gillett with Hans Leschke 1957-7-13 747 Shasta slopes between Bench Lake and Devils Kitchen 1981 Comment
  CAS-BOT-BC433057  Mitella pentandra John Thomas Howell 1960-7-23 35966 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  LA62529  Monardella odoratissima Carl Epling; William Robison 1935-7-17 sn Shasta Mt. Lassen, Upper King's Creek 3047 Comment
  CAS-BOT-BC314216  Monardella odoratissima subsp. glauca John Thomas Howell 1960-7-24 35972 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC222105  Monardella odoratissima subsp. pallida John Thomas Howell 1960-7-20 35789 Plumas Lassen Volcanic National Park. Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  CHSC58171  Monardella odoratissima subsp. pallida Vernon H. Oswald 1992-6-18 4997 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. 1621 Comment
  CHSC58502  Monardella odoratissima subsp. pallida Vernon H. Oswald; Lowell Ahart 1992-7-6 5072 Plumas Lassen Volcanic National Park. On Kelly Mtn. ca. 0.4 mi WNW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1752 Comment
  UC1543857 Image available Monardella odoratissima subsp. pallida Harold and Virginia Bailey 1948-8-25 3003 Shasta Lassen Volcanic National Park, Summit Lake Comment
  UC2035887  Monardella odoratissima subsp. pallida Mrs. C. W. Hollis Jun 17 1928-Jun 30 1928 Plumas Drakesbad Mt. Lassen National Park Comment
  UC485787  Monardella odoratissima subsp. pallida H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC444742  Montia chamissoi John Thomas Howell 1960-7-23 35969 Plumas Lassen Volcanic National Park. Dream Lake, Drakesbad 1828 Comment
  CAS-BOT-BC444743  Montia chamissoi John Thomas Howell 1960-7-18 35542 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SBBG21853  Montia chamissoi D. Myrick 1964-7-19 878 Plumas Dream Lake, Drakesbad 1828 Comment
  CAS-BOT-BC444859  Montia fontana John Thomas Howell 1960-7-21 35864 Plumas Lassen Volcanic National Park. On trail to Little Willow Lake 1767 Comment
  CAS-BOT-BC444860  Montia fontana John Thomas Howell 1960-7-18 35522 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC58195  Montia fontana subsp. amporitana Vernon H. Oswald; Lowell Ahart 1992-6-22 5017 Plumas Lassen Volcanic National Park. Ca. 0.4 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.5 mi ENE of Little Willow Lake. Locally common on a vernally wet but now dry slope bordering the road. 1767 Comment
  CHSC54411  Montia fontana subsp. chondrosperma Vernon H. Oswald 1991-6-17 4667 Plumas Drakesbad, on the springy slope on the north side of the meadow, west of the resort buildings. 1755 Comment
  CHSC58510  Montia fontana subsp. chondrosperma Vernon H. Oswald; Lowell Ahart 1992-7-6 5062 Plumas On Kelly Mtn. ca. 0.2 mi SW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). In wet soil bordering a shallow, boggy meadow-like opening along a drainage in forest. 1804 Comment
  CHSC54412  Montia linearis Vernon H. Oswald 1991-7-8 4700 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just within the park boundary. Uncommon in moist soil in a patch of Veratrum on the edge of a meadow. 1676 Comment
  CAS-BOT-BC262610  Muhlenbergia andina John Thomas Howell 1960-7-19 35655 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC54548  Muhlenbergia andina Vernon H. Oswald 1991-8-5 4808 Plumas Lassen Volcanic Park. Terminal Geyser located ca. 2.25 miles (air) southeast of Drakesbad. On a drainage bordering the south side of the geyser. 1731 Comment
  UCD86491  Muhlenbergia andina John Thomas Howell 1960-7-19 35655 Plumas Drakesbad. 1676 Comment
  CAS-BOT-BC267005  Muhlenbergia filiformis John Thomas Howell 1959-9-22 34846 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC267006  Muhlenbergia filiformis John Thomas Howell 1959-9-22 34869 Plumas Drakesbad 1737 Comment
  CHSC54549  Muhlenbergia filiformis Vernon H. Oswald 1991-8-5 4802 Plumas Lassen Volcanic Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On margins of lake. 1844 Comment
  RSA201348  Muhlenbergia filiformis J. T. Howell 1960-9-22 34846 Plumas Drakesbad. 1738 Comment
  UC1543806  Muhlenbergia filiformis Harold and Virginia Bailey 1948-8-27 2920 c Shasta in meadow near corrals Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC1543808  Muhlenbergia filiformis Harold and Virginia Bailey 1948-8-25 2979 a Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UCD86661  Muhlenbergia filiformis John Thomas Howell 1960-7-18 35581 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD86671  Muhlenbergia filiformis D. Sanchez-Mata; P. Rodriguez, R. Rivas-Martinez, L. Llorens 1996-9-6 s.n. Shasta Lassen Volcanic National Park. At Summit lake area. 1990 Comment
  UCD86672  Muhlenbergia filiformis D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-9 s.n. Shasta Lassen Volcanic National Park. At Upper Kings Creek. 2305 Comment
  UCD86674  Muhlenbergia filiformis D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-9 s.n. Shasta Lassen Volcanic National Park. At Summit Lake North. 2070 Comment
  CHSC54409  Navarretia capillaris Vernon H. Oswald 1991-7-8 4701 .1 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, at its crossing of the stream coming from Terminal Geyser, near the south boundary of the park. On the creek bank. 1676 Comment
  UCD106106  Navarretia capillaris John Thomas Howell 1960-7-18 35600 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  JEPS28633  Navarretia divaricata George W. Gillett 1957-7-18 824 Plumas n end Willow Lake Meadow (near the main inlet); Lassen Volcanic National Park, Willow Lake Meadow 1661 Comment
  UCD48383  Navarretia divaricata John Thomas Howell 1960-7-18 35571 Plumas Meadow border, Drakesbad, Plumas County. 1676 Comment
  CHSC58174  Navarretia divaricata subsp. divaricata Vernon H. Oswald 1992-6-18 4984 Plumas Lassen Volcanic National Park. Warner Valley; N side of Hot Spring Creek just within the boundary of the park. Near the creek. 1609 Comment
  CHSC54410  Navarretia intertexta subsp. intertexta Vernon H. Oswald 1991-7-8 4701 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, at its crossing of the stream coming from Terminal Geyser, near the south boundary of the park. Creek bank. 1676 Comment
  JEPS28631  Navarretia intertexta subsp. propinqua George W. Gillett 1957-7-18 823 Plumas Willow Lake Meadow Lassen Volcanic National Park (n end, near the main inlet) 1661 Comment
  RSA201341A  Navarretia intertexta subsp. propinqua J. T. Howell 1960-7-18 35599 Plumas Wooded meadow borders. Drakesbad. 1677 Comment
  SBBG21890  Navarretia leptalea D. Myrick 1964-7-21 892 Plumas near parking area, Drakesbad 1737 Comment
  JEPS28630  Navarretia linearifolia subsp. linearifolia George W. Gillett 1957-7-18 819 Shasta near the main inlet n end Willow Lake meadow; Lassen Volcanic National Park, n end Willow Lake meadow 1661 Comment
  CHSC54402  Nemophila pedunculata Vernon H. Oswald 1991-6-12 4657 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. Locally abundant in the meadow just north of the park boundary where the trail crosses the stream coming down from Terminal Geyser. 1658 Comment
  JEPS28632  Nemophila pedunculata George W. Gillett 1957-7-18 820 Plumas North end of Willow Lake Meadow Lassen Volcanic National Park, n end Willow Lake Meadow (near the main inlet, Lassen Volcanic National Park) 1661 Comment
  CHSC54401  Nemophila spatulata Vernon H. Oswald 1991-6-17 4668 Plumas Lassen Volcanic National Park. Drakesbad, on the west edge of the meadow between the trail to Devil's Kitchen and Hot Springs Creek. 1737 Comment
  SBBG21917  Nuphar polysepala D. Myrick -Jul-1964 881 Plumas Willow Lake just S of Lassen Volcanic Nat Park boundary near Drakesbad Comment
  CAS-BOT-BC350042  Oreostemma alpigenum var. andersonii Hans Leschke 1958-9-30 1571 Lassen Lassen Volcanic National Park. Grassy Swales 1935 Comment
  JEPS29579  Oreostemma alpigenum var. andersonii J. Thomas Howell 1960-7-23 35964 Plumas Dream Lake, (Drakesbad) Lassen Volcanic National Park, Dream Lake, Drakesbad 1676 Comment
  LA203057  Oreostemma alpigenum var. andersonii Carl Epling; Mrs. Epling 1935-8-15 sn Shasta Mt. Lassen, upper King's Creek Comment
  SBBG21783  Oreostemma alpigenum var. andersonii D. Myrick 1964-7-20 882 Plumas Drakesbad 1737 Comment
  UC1558251  Oreostemma alpigenum var. andersonii Harold and Virginia Bailey 1948-8-25 2967 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UCD134706  Oreostemma alpigenum var. andersonii John Thomas Howell 1960-7-23 35964 Plumas Drakesbad, Dream Lake. Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC121011  Paeonia brownii Elmer Ivan Applegate 1921-6-21 5806 Plumas Warner Valley near Drakesbad. Comment
  UC485769  Paeonia brownii H. E. and S. T. Parks June, 1928 223 Lassen Drakesbad Lassen National Park Comment
  SBBG115626  Panicum acuminatum B. Crampton 1964-8-25 7157 c Plumas Devils Kitchen, Hot Springs Crk cyn, ca. 1.5 mi W of Drakesbad 1859 Comment
  SBBG21938  Panicum acuminatum D. Myrick 1964-7-19 870 Plumas Boiling Lake, Drakesbad 1828 Comment
  CHSC44248  Panicum acuminatum var. acuminatum Vernon Oswald 1988-7-5 3551 Plumas Devil's Kitchen in Lassen Volcanic Park. 1853 Comment
  UC1254536  Panicum acuminatum var. acuminatum S. Spellenberg 1965-7-15 1229 Shasta Devil's Kitchen Lassen Volcanic National Park, Devil's Kitchen Comment
  UCD32830  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 a Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD32831  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 b Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD32832  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 c Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD32833  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 d Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD32834  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 a Plumas Lassen National Park, Drakesbad. 1/8 mile S of guest houses, slope above Hot Springs Creek, edge of warm water from hot springs. 1676 Comment
  UCD32835  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 b Plumas Lassen National Park, Drakesbad. 1/8 mile S of guest houses, slope above Hot Springs Creek. 1676 Comment
  UCD89726  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89727  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89728  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 Plumas Lassen National Park, Drakesbad. 1676 Comment
  UCD89950  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89951  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89953  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89954  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89955  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89956  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  UCD89957  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 Plumas Lassen National Park, Drakesbad. 1676 Comment
  UCD89958  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7164 Plumas Lassen National Park, Drakesbad. 1676 Comment
  CAS-BOT-BC253736  Panicum capillare John Thomas Howell 1959-9-22 34868 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC253737  Panicum capillare John Thomas Howell 1960-7-20 35761 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  CAS-BOT-BC253738  Panicum capillare John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA201355  Panicum capillare J. T. Howell 1960-7-20 35728 Plumas Drakesbad; Lasses Volcanic National Park 1677 Comment
  RSA201357  Panicum capillare J. T. Howell 1960-7-20 35761 Plumas Boilings Springs Lake; Lassen Volcanic National Park 1799 Comment
  RSA201364  Panicum capillare J. T. Howell 1969-9-22 34868 Plumas Drakesbad; Lasses Volcanic National Park 1738 Comment
  UCD89500  Panicum capillare Beecher Crampton 1964-8-25 7163 Plumas Lassen Volcanic National Park, Drakesbad, 1/8 mile south of the Guest Houses. 1676 Comment
  UCD89521  Panicum capillare John Thomas Howell 1959-9-22 34868 Plumas Lassen Volcanic National Park. Drakesbad. 1737 Comment
  UCD89523  Panicum capillare John Thomas Howell 1960-7-20 35761 Plumas Lassen Volcanic National Park. Boilings Springs Lake. 1798 Comment
  SD71009  Panicum capillare var. occidentale John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic Park, Drakesbad, cool wet shaded place 1676 Comment
  SBBG115819  Panicum lassenianum B. Crampton 1964-8-25 7164 b Plumas Drakesbad, ca. 1/8 mi S of guest houses, slope above Hot Springs Crk 1676 Comment
  SD87885  Panicum thermale Frank W. Pierson 1926-6-22 6809 Plumas Drakesbad, Lassen National Park, on shores of Boiling Lake Comment
  UC1543698  Parnassia californica Harold and Virginia Bailey 1948-8-25 3016 Shasta Lassen Volcanic National Park, Summit Lake Summit Lake; Lassen Volcanic National Park, Summit Lake 2040 Comment
  CHSC55803  Parnassia palustris Vernon H. Oswald 1991-9-11 4866 Plumas Lassen Volcanic National Park. North of the meadow and west of the resort at Drakesbad. 1767 Comment
  UC1543860  Pedicularis attollens Harold and Virginia Bailey 1948-8-25 2995 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  HSC20935  Pedicularis groenlandica H. E. Parks, S. T. Parks Jun 1928 251 Lassen Lassen National Park, Drakesbad 1677 Comment
  RSA14379  Pedicularis groenlandica Elmer I. Applegate 1929-6-20 5760 Plumas Between Camp Kelly and Drakesbad, Warner Valley, Mt Lassen region. Comment
  HSC20946  Pedicularis semibarbata H. E. Parks, S. T. Parks Jun 1928 237 Lassen Drakesbad, Mt. Lassen, E side 1524 Comment
  JEPS13362  Pedicularis semibarbata H. E. and S. T. Parks June, 1928 237 Plumas Drakesbad; Lassen Volcanic National Park 1767 Comment
  UC1543861  Pedicularis semibarbata Harold and Virginia Bailey 1948-8-25 3008 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  UC485726  Pedicularis semibarbata H. E. and S. T. Parks 1928-6-20 237 Plumas e side of Mount Lassen (Drakesbad) Comment
  CHSC58018  Pellaea brachyptera Vernon H. Oswald 1992-5-21 4948 Plumas Warner Valley on the S side of Hot Springs Creek ca. 0.5 mi upstream from the park boundary. Lassen Volcanic National Park. 1633 Comment
  CHSC59125  Pellaea brachyptera Vernon H. Oswald 1992-8-10 5154 Plumas Slope on the uphill side of Warner Valley Rd. at the Ranger Station, ca. 1.5 mi E of Drakesbad, Lassen Volcanic National Park. 1706 Comment
  UC1543813  Penstemon Harold and Virginia Bailey 1948-8-25 2999 Shasta Lassen Volcanic National Park, Summit Lake 2040 Comment
  CHSC58179  Penstemon deustus var. pedicellatus Vernon H. Oswald 1992-6-18 4992 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. 1621 Comment
  UC1541524  Penstemon deustus var. suffrutescens H. E. and S. T. Parks June 1928 232 Shasta Drakesbad Lassen National Park, Drakesbad 1767 Comment
  UC1326267  Penstemon gracilentus Milo S. Baker 1947-8-13 11987 Shasta Summit Lake , Summit Lake (Mt. Lassen Nat. Park) 2042 Comment
  CAS-BOT-BC239296  Penstemon newberryi var. berryi H. C. Cantelow 1938-7-5 2328 Plumas Flatiron Ridge, Drakesbad Comment
  CAS-BOT-BC239313  Penstemon newberryi var. berryi Tilda Becker 1960-7-23 s.n. Shasta Sifford Lakes, Lassen Park 2194 Comment
  LA209544  Penstemon newberryi var. newberryi Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  LA209545  Penstemon newberryi var. newberryi Mrs. C. W. Hollis; 1928-6-30 Plumas Mt. Lassen National Forest, Drakesbad Comment
  UC1541525  Penstemon newberryi var. newberryi H. E. and S. T. Parks June 1928 230 Shasta Drakesbad Lassen National Park, Drakesbad 2133 Comment
  UC485780  Penstemon newberryi var. newberryi H. E. and S. T. Parks June, 1928 230 Plumas Drakesbad Lassen National Park, Drakesbad Comment
  CAS-BOT-BC239503  Penstemon rydbergii var. oreocharis B. C. Cain 1925-8-24 88 Lassen 1 mi. below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  CAS-BOT-BC239610  Penstemon rydbergii var. oreocharis John Thomas Howell 1960-7-19 35625 Plumas Lassen Volcanic National Park, Drakesbad 1828 Comment
  CAS-BOT-BC239620  Penstemon rydbergii var. oreocharis Roxana S. Ferris; Laura Lorraine 1941-8-10 10467 Shasta Lassen National Park, near Summit Lake 2042 Comment
  NY651275  Penstemon rydbergii var. oreocharis F. W. Pennell 1940-7-21 26228 Shasta Route 89, west of Summit Lake, Lassen National Park 1981.2 Comment
  SBBG21882  Penstemon rydbergii var. oreocharis D. Myrick 1964-7-19 873 Plumas Drakesbad 1737 Comment
  UC1541526  Penstemon rydbergii var. oreocharis H. E. and S. T. Parks June 1928 219 Shasta Drakesbad Lassen National Park, Drakesbad 1767 Comment
  UC485790  Penstemon rydbergii var. oreocharis H. E. and S. T. Parks Jun 1928 219 Plumas Drakesbad Lassen National Park, Drakesbad Comment
  UC711909  Penstemon rydbergii var. oreocharis Roxana S. Ferris and Laura Lorraine 1941-8-10 10467 Shasta near Summit Lake (Lassen National Park); , near Summit Lake 2042 Comment
  JEPS28597  Perideridia bolanderi subsp. bolanderi George W. Gillett 1957-7-13 762 Shasta talus below Sifford Lakes (along direct route to the Devils Kitchen); Lassen Volcanic National Park 2057 Comment
  CHSC40226  Perideridia howellii Vernon Oswald 1985-7-8 1889 Plumas Drakesbad, trail to Devil's Kitchen on the s side of Falls Creek slightly e of the level of the swimming pool at the resort. 1731 Comment
  RSA201296  Perideridia howellii J. T. Howell 1960-7-24 35975 Plumas Lassen Volcanic National Park, Drakesbad 1677 Comment
  UCD127875  Perideridia howellii John Thomas Howell 1960-8-20 36276 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC54511  Perideridia lemmonii Vernon H. Oswald 1991-8-8 4812 Plumas Lassen Volcanic Park. Just north of the south boundary of the park at Willow Lake, along the trail to Camp Kelly and Terminal Geyser, ca. 3 miles (air) southeast of Drakesbad. 1658 Comment
  JEPS28606  Perideridia parishii subsp. latifolia George W. Gillett 1957-7-17 784 Plumas Willow Lake inlet Lassen Volcanic National Park (side gully) 1767 Comment
  UC1389962  Perideridia parishii subsp. latifolia T. I. Chuang and R. Bacigalupi 1963-8-2 5917 Plumas near Drakesbad Comment
  UC1543731  Perideridia parishii subsp. latifolia Harold and Virginia Bailey 1948-8-25 2985 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UCD127866  Perideridia parishii subsp. latifolia John Thomas Howell 1960-7-20 35720 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  SBBG21894  Phacelia mutabilis D. Myrick 1964-7-21 883 Plumas near trail parking area, Drakesbad 1737 Comment
  UC1228232  Phacelia mutabilis H. E. and S. T. Parks June 1928 254 Plumas Drakesbad Lassen Volcanic National Park 1828 Comment
  UC1228233  Phacelia mutabilis H. E. and S. T. Parks June 1928 254 Plumas Drakesbad Lassen Volcanic National Park 1828 Comment
  CHSC58190  Phacelia procera Vernon H. Oswald; Lowell Ahart 1992-6-22 5010 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Geyser Trail just W of Hot Springs Creek. 1658 Comment
  CHSC58191  Phacelia racemosa Vernon H. Oswald; Lowell Ahart 1992-6-22 5020 Plumas Lassen Volcanic National Park. Ca. 0.5 mi N of the park boundary along the service road into Terminal Geyser, ca 0.6 mi ENE of Little Willow Lake. 1767 Comment
  RSA201318  Phacelia racemosa J. T. Howell 1960-7-20 35736 Plumas Boiling Springs Lake to Drakesbad. Lassen Volcanic National Park. 1677 Comment
  RSA201363  Phacelia racemosa J. T. Howell 1960-7-20 35736 Plumas Boiling Springs Lake to Drakesbad. Lassen Volcanic National Park. 1677 Comment
  UCD120666  Phacelia racemosa John Thomas Howell 1960-7-22 35914 Plumas Devils Kitchen to Drakesbad. Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC250780  Phleum alpinum John Thomas Howell 1960-7-22 35876 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC253536  Phleum alpinum Hans Leschke 1958-8-16 1547 Shasta Grassy Swales, Lassen Volcanic National Park 1965 Comment
  CAS-BOT-BC260846  Phleum pratense John Thomas Howell 1960-7-18 35509 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC260850  Phleum pratense J. T. H. 1938-7-4 2280 Plumas Drakesbad Meadow Comment
  CAS-BOT-BC58802  Phyllodoce breweri Tilda Becker 1960-7-23 s.n. Shasta Lassen Volcanic National Park - Sifford Lakes 2194 Comment
  HSC7862  Phyllodoce breweri Jim Vaughn 1956-8-15 Shasta Kings Creek Falls 2134 Comment
  LA41262  Phyllodoce breweri Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  SEINET11245668 Image available Phyllodoce breweri Emily Gillespie, Zack Murrell 2006-8-5 06 -019 Shasta Mineral, Meadow along Hwy 89, near Summit Lake. Lassen Volcanic National Park 2042 Comment
  UC1121039  Phyllodoce breweri T. B. Plair 1934-10-7 8 Shasta Lassen National Park, Summit Lake Summit Lake; Lassen National Park, Summit Lake 2118 Comment
  CAS-BOT-BC78469  Pinus contorta subsp. murrayana John Thomas Howell 1960-7-18 35502 Plumas Drakesbad 1828 Comment
  UC485734  Pinus contorta subsp. murrayana H. F. Copeland 1932-8-24 Plumas Drakesbad Comment
  CAS-BOT-BC78721  Pinus jeffreyi John Thomas Howell 1960-7-18 35503 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC78945  Pinus monticola John Thomas Howell 1960-7-20 35777 Plumas Between Boiling Springs Lake and Terminal Geyser 1859 Comment
  SBBG21827  Piperia unalascensis D. Myrick 1964-7-19 867 Plumas Boiling Lake Trail, Drakesbad, Lassen Volcanic Nat Park 1828 Comment
  CAS-BOT-BC230956  Plagiobothrys hispidulus John Thomas Howell 1960-7-19 35613 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC230957  Plagiobothrys hispidulus John Thomas Howell 1960-7-22 35884 A Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UCD120831  Plagiobothrys hispidulus John Thomas Howell 1960-7-19 35613 Plumas Drakesbad, Lassen Volcanic National Park. 1676 Comment
  RSA201338  Plagiobothrys scouleri var. hispidulus J. T. Howell 1960-7-19 35613 Plumas Drakesbad 1677 Comment
  RSA201367  Plagiobothrys scouleri var. hispidulus J. T. Howell 1960-7-19 35613 Plumas Drakesbad 1677 Comment
  UC1543709  Platanthera Harold and Virginia Bailey 1948-8-25 3044 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1543727  Platanthera Harold and Virginia Bailey 1948-8-25 3015 B Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  HSC16636  Platanthera dilatata var. leucostachys H. E. Parks, S. T. Parks Jun 1928 217 Lassen Lassen National Park, Drakesbad 1768 Comment
  SBBG21828  Platanthera dilatata var. leucostachys D. Myrick 1964-7-21 899 Plumas Drakesbad 1737 Comment
  UC485759  Platanthera leucostachys H. E. and S. T. Parks Jun 1928 Plumas Drakesbad Mt. Lassen Comment
  UC1024386  Platanthera sparsiflora George W. Gillett 1952-8-14 185 Shasta vicinity Summit Lake (along n margin of lake); Lassen Volcanic National Park, Summit Lake 2042 Comment
  CAS-BOT-BC254766  Poa bolanderi John Thomas Howell 1960-7-19 35633 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC254767  Poa bolanderi John Thomas Howell 1960-7-22 35919 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC254769  Poa bolanderi George W. Gillett 1957-7-17 795 Plumas Lassen Volcanic National Park. Stream flowing from Little Willow Lake into Willow Lake 1767 Comment
  CAS-BOT-BC254770  Poa bolanderi Roxana S. Ferris; Laura Lorraine 1941-8-10 10464 Shasta Lassen Volcanic National Park near Summit Lake 2042 Comment
  JEPS28286  Poa bolanderi George W. Gillett 1957-7-17 795 Plumas gully running into stream flowing from Little Willow Lake into Willow Lake; Lassen Volcanic Nat'l Park 1767 Comment
  UC1543785  Poa bolanderi Harold and Virginia Bailey 1948-8-25 3025 Shasta Summit Lake; Lassen Volcanic Nat'l Park 2040 Comment
  UC1543788  Poa bolanderi Harold and Virginia Bailey 1948-8-25 3025 Shasta Summit Lake; Lassen Volcanic Nat'l Park 2040 Comment
  UC485751  Poa bolanderi H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UCD90555  Poa bolanderi John Thomas Howell 1960-7-19 35633 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CAS-BOT-BC255136  Poa cusickii subsp. epilis Gillett; Hans Leschke 1957-7-13 s.n. Shasta Below Sifford Lakes, on direct route to Devil's Kitchen Comment
  CAS-BOT-BC255144  Poa cusickii subsp. epilis George W. Gillett 1957-7-13 760 Plumas Lassen Volcanic National Park. Below Sifford Lakes, on direct route to the Devils Kitchen 2057 Comment
  CHSC58183  Poa cusickii subsp. epilis Vernon H. Oswald 1992-6-18 4991 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. On the edge of a cliff bordering the creek. 1621 Comment
  CHSC58209  Poa cusickii subsp. epilis Vernon H. Oswald; Lowell Ahart 1992-6-22 5022 Plumas Lassen Volcanic National Park. Along the service road ca. 0.1 mi S of Terminal Geyser. 1767 Comment
  CAS-BOT-BC247275  Poa palustris John Thomas Howell 1960-8-20 36277 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA201356  Poa palustris J. T. Howell 1960-8-20 36277 Plumas Drakesbad 1677 Comment
  UCD91798  Poa palustris John Thomas Howell 1960-7-19 35627 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  JEPS28287  Poa pringlei George W. Gillett 1957-7-13 760 Plumas below Sifford Lakes (on direct route to Devils Kitchen); Lassen Volcanic Nat'l Park 2057 Comment
  CAS-BOT-BC244267  Podagrostis humilis George W. Gillett 1957-7-19 853 Plumas Lassen Volcanic National Park. Just beyond very large spring 1.25 miles above The Devils Kitchen on trail to Sifford Lakes 2057 Comment
  CAS-BOT-BC244319  Podagrostis humilis John Thomas Howell 1960-7-23 35954 Plumas Lassen Volcanic National Park. Drakesbad, Soda Spring 1828 Comment
  CAS-BOT-BC244320  Podagrostis humilis John Thomas Howell 1960-7-23 35955 Plumas Lassen Volcanic National Park. Drakesbad, Soda Spring 1828 Comment
  CAS-BOT-BC244321  Podagrostis humilis John Thomas Howell 1960-7-18 35525 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UCD52763  Podagrostis humilis John Thomas Howell 1960-7-23 35955 Plumas near Soda Springs, Drakesbad. 1676 Comment
  UC1326271  Polygonum amphibium var. stipulaceum Milo S. Baker 1947-8-13 11988 Shasta Summit Lake Mt. Lassen Nat. Park 2042 Comment
  UCD100067  Polygonum aviculare subsp. depressum John Thomas Howell 1959-9-22 34863 Plumas Lassen Volcanic National Park, Drakesbad. 1737 Comment
  CAS-BOT-BC414549  Polygonum douglasii John Thomas Howell 1959-9-22 34847 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC414550  Polygonum douglasii John Thomas Howell 1960-7-18 35569 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC414574  Polygonum douglasii George W. Gillett 1957-7-18 821 Plumas Lassen Volcanic National Park. North end of Willow Lake Meadow, near the main inlet 1661 Comment
  UCD100238  Polygonum douglasii John Thomas Howell 1959-9-22 34847 Plumas Lassen Volcanic National Park, Drakesbad. 1737 Comment
  UCD100239  Polygonum douglasii John Thomas Howell 1960-7-18 35569 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCD100241  Polygonum douglasii John Thomas Howell 1960-7-19 35698 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  JEPS28508  Polygonum douglasii subsp. douglasii George W. Gillett 821 Shasta Willow Lake Lassen Volcanic National Park Comment
  UC1543747  Polygonum douglasii subsp. douglasii Harold and Virginia Bailey 1948-8-25 3027 a Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC485765  Polygonum douglasii subsp. douglasii H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC420063  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1960-7-19 35630 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS51281  Polygonum polygaloides subsp. kelloggii W. L. Jepson 1910-6-5 4075 Plumas Hot Springs Valley Lassen Pk. 1706 Comment
  CAS-BOT-BC420208  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1960-7-19 35698 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC72356  Polystichum imbricans subsp. imbricans John Thomas Howell 1960-7-20 35748 Plumas Boiling Springs Lake 1798 Comment
  CAS-BOT-BC105582  Populus trichocarpa John Thomas Howell 1960-7-19 35701 Plumas Drakesbad - Lassen Volcanic National Park 1828 Comment
  CHSC54427  Potamogeton gramineus Vernon H. Oswald 1991-7-17 4745 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  CHSC61453  Potamogeton natans Vernon H. Oswald; Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. Along the edge of the lake. 1767 Comment
  CHSC44265  Potamogeton praelongus Vernon Oswald 1988-7-19 3604 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  CHSC61454  Potamogeton pusillus var. tenuissimus Vernon H. Oswald; Lowell Ahart 1993-8-11 5784 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. Along the edge of the lake. 1767 Comment
  UC1391902  Potentilla flabellifolia Richard McP. Brown 1956-8-16 Shasta Kings Creek Meadows, lower portion Lassen Volcanic National Park (Lassen Volcanic National Park) Comment
  CHSC58039  Potentilla glandulosa subsp. glandulosa Vernon H. Oswald; Lowell Ahart 1992-6-2 4973 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1792 Comment
  CHSC54450  Potentilla glandulosa subsp. reflexa Vernon H. Oswald 1991-7-8 4697 Plumas Willow Lake located southeast of Drakesbad, just south of the boundary of Lassen Volcanic National Park. On the north side of the lake at the western-most camping area. 1676 Comment
  CHSC58197  Poteridium annuum Vernon H. Oswald; Lowell Ahart 1992-6-22 5018 Plumas Lassen Volcanic National Park. Ca. 0.5 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.6 mi ENE of Little Willow Lake. On the roadway. 1767 Comment
  SBBG21912  Poterium sanguisorba D. Myrick 1964-7-21 894 Plumas near trail parking area, Drakesbad 1737 Comment
  CHSC58040  Prunus emarginata Vernon H. Oswald; Lowell Ahart 1992-6-2 4971 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. Near the base of a cliff. 1822 Comment
  CAS-BOT-BC356381  Pseudognaphalium beneolens John Thomas Howell 1960-8-20 36279 Plumas Near Lassen Volcanic National Park. Kelly Camp, near Drakesbad 1615 Comment
  CAS-BOT-BC356382  Pseudognaphalium beneolens John Thomas Howell 1960-7-20 35756 Plumas Lassen Volcanic National Park. Boiling Springs Lake 1798 Comment
  JEPS29571  Pseudognaphalium thermale John Thomas Howell 1960-7-20 35756 Plumas Boiling Springs Lake Lassen Volcanic Park, Boiling Springs Lake 1798 Comment
  RSA201260  Pseudognaphalium thermale J. T. Howell 1960-8-20 36279 Plumas Kelly Camp, near Drakesbad 1616 Comment
  UCD135250  Pseudognaphalium thermale John Thomas Howell 1960-7-20 35756 Plumas Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC72608  Pteridium aquilinum John Thomas Howell 1960-7-20 35744 Plumas Boiling Springs Lake 1798 Comment
  UC485727  Pteridium aquilinum var. pubescens H. F. Copeland 1932-8-24 Plumas Drakesbad Comment
  CAS-BOT-BC147868  Purshia tridentata var. tridentata John Thomas Howell 1960-7-19 35686 Plumas Drakesbad 1828 Comment
  CHSC58509  Pyrola asarifolia subsp. asarifolia Vernon H. Oswald; Lowell Ahart 1992-7-6 5075 Plumas Lassen Volcanic Park. E side of Little Willow Lake, near the S boundary of the park. 1834 Comment
  CHSC54419  Pyrola picta Vernon H. Oswald 1991-6-12 4658 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. 1691 Comment
  UC1541551  Pyrola picta H. E. and S. T. Parks 1928-6-1 235 Shasta Lassen National Park, Drakesbad Drakesbad; Lassen National Park, Drakesbad 1920 Comment
  RSA87174  Quercus chrysolepis var. nana F. W. Peirson 1926-6-22 6810 Plumas On shore of Boiling Lake, Lassen National Park. Comment
  CAS-BOT-BC104478  Quercus vacciniifolia Brighton C. Cain 1925-8-24 95 Lassen Mt Lassen Volcanic National Park 1 mi below Drakesbad 1645 Comment
  CAS-BOT-BC104593  Quercus vacciniifolia Elmer I. Applegate 1929-6-21 5813 Plumas Near Drakesbad, Warner Valley, Mt. Lassen Comment
  CAS-BOT-BC104597  Quercus vacciniifolia Ella Dales Cantelow 1938-7-5 2315 Plumas Flatiron Ridge, Drakesbad 1828 Comment
  CAS-BOT-BC104603  Quercus vacciniifolia John Thomas Howell 1960-7-17 35500 Plumas Lassen Volcanic National Park, Drakesbad 1828 Comment
  CAS-BOT-BC104604  Quercus vacciniifolia John Thomas Howell 1960-7-20 35742 Plumas Lassen Volcanic National Park, Boiling Springs Lake 1798 Comment
  UCD47416  Quercus vacciniifolia John Thomas Howell 1960-7-17 35500 Plumas Dry rocky wooded slope, Drakesbad, Plumas County. 1676 Comment
  UC1558255  Ranunculus Harold and Virginia Bailey 1948-8-25 3042 c Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC57827  Ranunculus alismifolius var. lemmonii Vernon H. Oswald; Lowell Ahart 1992-5-6 4933 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just inside the boundary of the park. Meadow. 1658 Comment
  CHSC57828  Ranunculus alismifolius var. lemmonii Vernon H. Oswald; Lowell Ahart 1992-5-6 4934 a Plumas Lassen Volcanic National Park. Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. Along the edge of the creek. 1658 Comment
  SBBG21915  Ranunculus aquatilis var. diffusus D. Myrick 1964-7-19 874 Plumas Hot Springs Crk, Drakesbad 1737 Comment
  CHSC58177  Ranunculus orthorhynchus var. orthorhynchus Vernon H. Oswald; Lowell Ahart 1992-6-2 4975 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1767 Comment
  CAS-BOT-BC58196  Rhododendron columbianum Brighton C. Cain 1925-8-24 101 Lassen Mt. Lassen Vilcanic National Park, 1 mi. below Drakesbad. 1645 Comment
  LA40930  Rhododendron columbianum E. Hollis; June 17 1928 - June -30 1928 Plumas Mt. Lassen National Forest, Drakesbad Comment
  UCD35832  Rhododendron columbianum Beecher Crampton 1964-8-25 7161 Plumas Lassen Volcanic National Park; Devil's Kitchen, Hot Springs Creek. 1859 Comment
  CHSC54396  Rhododendron neoglandulosum Vernon H. Oswald 1991-7-17 4754 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  CAS-BOT-BC111876  Rhynchospora alba V. Oswald; Lowell Ahart 1988-8-4 3670 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1127 Comment
  CHSC44260  Rhynchospora alba V. Oswald; L. Ahart 1988-8-4 3670 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Sphagnum bog on the s side of the lake. 1676 Comment
  JEPS91029  Rhynchospora alba Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11430 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  RSA500436  Rhynchospora alba Vernon H. Oswald 1989-8-3 3915 Plumas Willow lake located SE of Drakesbad, just s of the boundary of Lassen Volcanic Nat l Park. 1677 Comment
  CHSC54399  Ribes inerme var. inerme Vernon H. Oswald 1991-6-12 4663 Plumas Lassen Volcanic National Park. Meadow on the north side of Willow Lake, on the north side of the park boundary, ca. 3 miles southeast of Drakesbad. 1661 Comment
  UC1543690  Ribes montigenum Harold and Virginia Bailey 1948-8-25 3037 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC219227  Ribes nevadense George W. Gillett 1957-7-19 857 Plumas On trail to Sifford Lakes, about 1.25 miles above the Devils Kitchen 2057 Comment
  JEPS28655 Image available Ribes nevadense George W. Gillett 1957-7-19 857 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanie National Park 2057 Comment
  JEPS28657  Ribes roezlii George W. Gillett 1957-7-19 859 Plumas about 1 1/4 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  LA205501  Ribes roezlii Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC186151  Ribes roezlii var. roezlii Brighton C. Cain 1925-8-24 96 Lassen Mt. Lassen Volcanic National Park 1 mi. below Drakesbad 1645 Comment
  CAS-BOT-BC186220  Ribes roezlii var. roezlii Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad, Lassen Volcanic Park Comment
  CAS-BOT-BC186224  Ribes roezlii var. roezlii George W. Gillett 1957-7-19 859 Plumas On trail to Sifford Lakes, about 1 1/4 miles above the Devils Kitchen 2057 Comment
  CAS-BOT-BC186226  Ribes roezlii var. roezlii Elmer I. Applegate 1929-6-21 5790 Plumas Between Kelly's Camp and Drakesbad, Warner Valley, Mt. Lassen region Comment
  CAS-BOT-BC186280  Ribes roezlii var. roezlii Hans Leschke 1957-9-19 1524 Shasta Corral Meadow, Lassen Volcanic National Park 1822 Comment
  CHSC54400  Ribes viscosissimum var. hallii Vernon H. Oswald 1991-6-12 4659 Plumas Lassen Volcanic National Park. Access road near Terminal Geyser. 1786 Comment
  CAS-BOT-BC74627  Rorippa curvisiliqua John Thomas Howell 1960-7-19 35617 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CAS-BOT-BC433734  Rumex occidentalis John Thomas Howell 1960-7-19 35623 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  RSA201292  Rumex salicifolius var. triangulivalvis J. T. Howell 1960-7-19 35616 Plumas Drakesbad 1677 Comment
  CAS-BOT-BC434306  Rumex triangulivalvis John Thomas Howell 1960-7-18 35527 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC434307  Rumex triangulivalvis John Thomas Howell 1960-7-22 35891 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC434308  Rumex triangulivalvis John Thomas Howell 1959-9-22 34853 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC434309  Rumex triangulivalvis John Thomas Howell 1960-7-19 35616 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC434310  Rumex triangulivalvis John Thomas Howell 1960-7-19 35624 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SD71014  Rumex triangulivalvis John Thomas Howell 1960-7-19 35624 Plumas Meadow, Drakesbad, Lassen Volcanic National Park 1676 Comment
  UCD101479  Rumex triangulivalvis John Thomas Howell 1960-7-19 35624 Plumas Drakesbad. 1676 Comment
  UC1579557  Sagina decumbens subsp. occidentalis Harold and Virginia Bailey 1948-8-25 3015 c Shasta Lassen Volcanic National Park, Summit Lake 2040 Comment
  CAS-BOT-BC445684  Sagittaria cuneata Milo S. Baker 1947-8-13 11989 Shasta Summit Lake, Mt. Lassen Nat. Park 2042 Comment
  CAS-BOT-BC445685  Sagittaria cuneata Milo S. Baker 1947-8-13 11989 Shasta Summit Lake, Mt. Lassen Nat. Park 2042 Comment
  CHSC54421  Sagittaria cuneata Vernon H. Oswald 1991-7-17 4750 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  UC1326264  Sagittaria cuneata Milo S. Baker 1947-8-13 11989 Shasta Summit Lake; Mt. Lassen Nat. Park, Summit Lake 2042 Comment
  UC1135073  Salix boothii T. B. Plair 1934-10-7 9 Shasta Summit Lake Prattville Quad. 2118 Comment
  UCD110751  Salix boothii D. Sanchez-Mata; P. Rodriguez, R. Gavilan, J. E. Echev. 1996-9-9 s.n. Shasta Lassen Volcanic National Park. Upper Kings Creek. 2280 Comment
  CHSC54415  Salix eastwoodiae Vernon H. Oswald 1991-6-17 4673 Plumas Little Willow Lake, located ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  CHSC54416  Salix eastwoodiae Vernon H. Oswald 1991-7-17 4751 Plumas Little Willow Lake located on the south border of the park, ca. 2.5 miled (air) south-southeast of Drakesbad. 1828 Comment
  CHSC65007  Salix eastwoodiae Vernon H. Oswald 1991-8-5 4803 Lassen Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  CHSC65008  Salix eastwoodiae Vernon H. Oswald 1991-8-5 4803 Plumas Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  CAS-BOT-BC106888  Salix jepsonii Hans Leschke 1960-9-9 1813 Shasta above Kings Creek Falls 2063 Comment
  CAS-BOT-BC125306  Salix lasiandra var. lasiandra John Thomas Howell 1960-7-18 35593 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC125308  Salix lasiandra var. lasiandra Elmer I. Applegate 1929-6-21 5784 Plumas Between Kelly's Camp and Drakesbad Comment
  CAS-BOT-BC128174  Salix lasiandra var. lasiandra Mrs. E. C. Sutliffe 1927-6-1 s.n. Lassen Drakesbad - Lassen Volcanic park Comment
  CAS-BOT-BC124796  Salix lemmonii John Thomas Howell 1960-7-20 35724 Plumas Drakesbad 1828 Comment
  LA208889  Salix lemmonii Mrs. C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  RSA11885  Salix lemmonii Elmer I. Applegate 1929-6-21 5784 Plumas Between Kelly's Camp and Drakesbad. Comment
  RSA201311  Salix lemmonii J. T. Howell 1960-7-20 35725 Plumas Drakesbad. 1677 Comment
  RSA201335  Salix lemmonii J. T. Howell 1960-7-20 35724 Plumas Drakesbad. 1677 Comment
  CAS-BOT-BC238848  Sambucus nigra subsp. caerulea John Thomas Howell 1960-7-19 35671 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  JEPS28596  Sanicula tuberosa George W. Gillett 1957-7-13 761 Plumas below Sifford Lakes (on direct route to the Devils Kitchen, Lassen Volcanic National Park); Lassen Volcanic National Park 2057 Comment
  RSA201350  Sanicula tuberosa J. T. Howell 1960-7-22 35918 Plumas Drakesbad. Devils kitchen 1677 Comment
  UCD128048  Sanicula tuberosa John Thomas Howell 1960-7-19 35692 Plumas Lassen Volcanic National Park, Drakesbad. 1676 Comment
  UC1541284  Saxifraga oregana Harold E. Parks June 1928 221 Shasta Drakesbad; Lassen National Park, Drakesbad 1737 Comment
  UC485773  Saxifraga oregana H. E. and S. T. Parks 1928-6-20 221 Plumas Drakesbed; Mount Lassen National Park, Drakesbed Comment
  CHSC102184  Scheuchzeria palustris subsp. americana George W. Hartwell 2009-6-19 Plumas Lassen Volcanic National Park. 1851 Comment
  CHSC44121  Scheuchzeria palustris subsp. americana V. Oswald; L. Ahart 1988-8-4 3672 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On the s side of the lake. 1676 Comment
  CHSC44267  Scheuchzeria palustris subsp. americana Vernon Oswald 1988-7-19 3609 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a peat island on the s side of the lake. 1676 Comment
  CHSC46716  Scheuchzeria palustris subsp. americana V. Oswald; W. Dempsey 1989-8-24 3965 Plumas Little Willow Lake on the s edge of Lassen Volcanic National Park, ca. 11 mi (air) nw of Chester. On the w side of the lake. 1828 Comment
  JEPS116641  Scheuchzeria palustris subsp. americana George W. Hartwell 2009-6-19 Plumas Lassen Volcanic National Park 1851 Comment
  CAS-BOT-BC111273  Schoenoplectus acutus var. occidentalis John Thomas Howell 1960-7-19 35650 Plumas Wet slope near hot springs, Drakesbad, Lassen Volcanic National Park. 1828 Comment
  CHSC44124  Schoenoplectus acutus var. occidentalis V. Oswald; L. Ahart 1988-8-4 3667 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In the marshy se part of the lake. 1676 Comment
  CHSC61388  Schoenoplectus acutus var. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-11 5788 Plumas Lassen Volcanic National Park. Little Willow Lake located on the S edge of Lassen Volcanic National Park. Marshy E half of the lake. 1839 Comment
  CHSC61444  Schoenoplectus acutus var. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-11 5785 Plumas Domingo Lake located ca. 0.5 mi S of Willow Lake, ca. 1 mi S of Lassen Volcanic National Park. 1767 Comment
  CAS-BOT-BC111571  Schoenoplectus americanus John Thomas Howell 1960-7-19 35642 Plumas Wet slope near hot springs, Drakesbad. Plants of Lassen Volcanic National Park. Comment
  CAS-BOT-BC111572  Schoenoplectus americanus John Thomas Howell 1959-9-22 34867 Plumas On hot spring terrases, Drakesbad. 1737 Comment
  CAS-BOT-BC111573  Schoenoplectus americanus Mrs. H. C. Cantelow 1938-7-4 2279 Plumas Drakesbad. Comment
  CHSC55807  Schoenoplectus americanus Vernon H. Oswald 1991-9-11 4865 Plumas Lassen Volcanic National Park. Hot springs terrace on the south side of the meadow at Drakesbad. Along drainages on the slope south of Hot Springs Creek. 1731 Comment
  UCD50091  Schoenoplectus americanus John Thomas Howell 1959-9-22 34867 Plumas On hot spring terraces, Drakesbad, Plumas County. 1737 Comment
  CHSC54538  Schoenoplectus subterminalis Vernon H. Oswald 1991-8-5 4804 Plumas Lassen Volcanic National Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On the east side of the lake. 1844 Comment
  JEPS91025  Schoenoplectus subterminalis Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11435 Plumas Cascade Mountains, Lassen National Park, Little Willow Creek Little Willow Creek; Cascade Mountains, Lassen Nat'l Park, Little Willow Creek 1874 Comment
  CAS-BOT-BC35586  Scirpus congdonii John Thomas Howell 1960-7-19 35646 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CAS-BOT-BC35592  Scirpus congdonii Harold Bailey; Virginia Bailey 1948-8-25 3014 b Shasta Lassen Volcanic National Park, Summit Lake 2040 Comment
  CAS-BOT-BC35595  Scirpus congdonii Hans Leschke 1958-8-16 1554 Shasta Lassen Volcanic National Park 1950 Comment
  JEPS28334  Scirpus congdonii George W. Gillett 1957-8-9 1011 Lassen near Summit Lake (East Fork Hat Creek); Lassen Volcanic National Park, East Fork Hat Creek 2026 Comment
  CHSC54873  Scirpus microcarpus Vernon H. Oswald 1991-9-11 4872 Plumas Lassen Volcanic Park. Road to Drakesbad, ca. 0.5 mi west of the boundary of the park. On the edge of Hot Springs Creek. 1615 Comment
  SBBG21937  Scirpus microcarpus D. Myrick 1964-7-19 876 Plumas Dream Lake, Drakesbad 1828 Comment
  UC1149893  Scirpus microcarpus Harold and Virginia Bailey 1948-8-25 3014 b Shasta Summit Lake Lassen Volcanic National Park, Summit Lake 2040 Comment
  UC1558260  Senecio aronicoides Harold and Virginia Bailey 1948-8-27 2923 Shasta in meadow near corrals; Lassen Volcanic National Park, Summit Lake 2040 Comment
  LA203985  Senecio fremontii var. occidentalis Carl Epling; William Robison 1935-7-17 Shasta Mt. Lassen, Upper King's Creek 3047 Comment
  CAS-BOT-BC333005  Senecio scorzonella Roxana S. Ferris; Laura Lorraine 1941-8-10 10472 Shasta Near Summit Lake, Lassen National Park 2042 Comment
  UCD135648  Senecio scorzonella D. Sanchez-Mata; P. Rodriguez, R. Gavilan and J. E. Echev. 1996-9-9 s.n. Shasta Lassen Volcanic National Park. Upper Kings Creek. 2280 Comment
  CAS-BOT-BC364253  Senecio triangularis B. C. Cain 1925-8-24 108 Lassen 1 mi. below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  CAS-BOT-BC364259  Senecio triangularis Roxana S. Ferris; Laura Lorraine 1941-8-10 10473 Shasta Lassen National Park, near Summit Lake 2042 Comment
  CAS-BOT-BC364261  Senecio triangularis Hans Leschke 1954-9-21 s.n. Shasta Lassen Volcanic National Park. Kings Creek Falls 2057 Comment
  CAS-BOT-BC364394  Senecio triangularis John Thomas Howell 1960-7-18 35531 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC13513  Senecio triangularis J. Pitts 1972-7-22 337 Lassen Found ca. .5 mi past Lassen Park gate. Comment
  UC1558252  Senecio triangularis Harold and Virginia Bailey 1948-8-25 3023 Shasta Summit Lake , Summit Lake (Lassen Volcanic National Park) 2040 Comment
  UC711908  Senecio triangularis Roxana S. Ferris and Laura Lorraine 1941-8-10 10473 Shasta near Summit Lake (Lassen National Park); Lassen National Park 2042 Comment
  JEPS28495  Sibbaldia procumbens George W. Gillett 1957-7-13 768 Shasta Lower Kings Creek Meadow Lassen Volcanic National Park (near start of Bench Lake trail) 2194 Comment
  JEPS28602  Sibbaldia procumbens George W. Gillett 1957-7-13 775 Shasta Lower Kings Creek Meadow Lassen Volcanic National Park (near start of Bench Lake trail) 2194 Comment
  UC1558216  Sibbaldia procumbens Harold and Virginia Bailey 1948-8-27 2930 b Shasta Kings Creek meadow; Lassen Volcanic National Park 2164 Comment
  SBBG21914  Sidalcea oregana D. Myrick 1964-7-19 866 Plumas Drakesbad 1737 Comment
  CHSC58166  Silene douglasii var. douglasii Vernon H. Oswald 1992-6-18 4988 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. On cliffs bordering the creek. 1621 Comment
  CAS-BOT-BC389384  Silene lemmonii John Thomas Howell 1960-7-20 35715 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC389409  Silene lemmonii George W. Gillett 1953-8-13 328 Shasta Lassen Volcanic National Park. Two miles below Summit Lake on trail to Drakesbad 1905 Comment
  CAS-BOT-BC389410  Silene lemmonii George W. Gillett 1953-8-13 328 Shasta Lassen Volcanic National Park. Two miles below Summit Lake on trail to Drakesbad 1905 Comment
  UC1036165  Silene lemmonii George W. Gillett 1953-8-13 328 Shasta on trail to Drakesbad two mi below Summit Lake (Lassen Volcanic National Park); , below Summit Lake 1905 Comment
  CAS-BOT-BC181364  Silene occidentalis John Thomas Howell 1960-7-21 35857 Plumas Trail to Little Willow Lake, Lassen Volcanic National Park 1767 Comment
  SEINET189217  Silene occidentalis H. M. Evans Tehama Lassen Volcanic National Park ; Drakesbad. 1676 Comment
  UCD99024  Silene suksdorfii Mary Ann Showers 1980-8-17 2000 Shasta on N and NW-facing slopes of Bumpass Mt. Lassen Volcanic National Park. 2651 Comment
  CHSC59147  Sisyrinchium idahoense Vernon H. Oswald 1992-7-21 5136 Shasta Lassen Hwy. between Summit Lake and Kings Creek, 0.7 mi E of the trail to Kings Creek Falls. 2237 Comment
  CHSC44251  Sium suave Vernon Oswald 1988-7-19 3591 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  JEPS28637  Sium suave George W. Gillett 1957-7-18 834 Plumas Lassen Volcanic National Park, at n end of Willow Lake Willow Lake; Lassen Volcanic National Park, Willow Lake 1661 Comment
  CAS-BOT-BC365369  Solidago elongata B. C. Cain 1925-8-24 78 Lassen 1 mi. below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  CAS-BOT-BC365514  Solidago elongata John Thomas Howell 1960-7-18 35590 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC58161  Sonchus asper subsp. asper Vernon H. Oswald 1992-6-18 4985 Plumas Lassen Volcanic National Park. Warner Valley: N side of Hot Spring Creek ca. 0.2 mi upstream from the boundary of the park. 1609 Comment
  UCD94834  Sparganium emersum John Thomas Howell 1960-7-22 35869 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC46717  Sparganium natans V. Oswald; W. Dempsey 1989-8-24 3964 Plumas Little Willow Lake on the s edge of Lassen Volcanic National Park, ca. 11 mi (air) nw of Chester. 1828 Comment
  JEPS101258  Sparganium natans Dean W. Taylor 1990-8-10 11432 Plumas Lassen National Park, Little Willow Lake, 1874 Comment
  A345541  Spiraea douglasii B. C. Cain Aug. 24-26, 1925 80 Unknown 1 mile below Drakesbad, Mt. Lassen Nat. park 1645 Comment
Read comments Apr 25 2013
  CAS-BOT-BC149627  Spiraea douglasii B. C. Cain 1925-8-24 80 Lassen 1 mile below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  CAS-BOT-BC149640  Spiraea douglasii George W. Gillett 1957-7-19 856 Plumas On trail to Sifford Lakes, about 1 1/4 miles above The Devils Kitchen 2057 Comment
  CAS-BOT-BC149641  Spiraea douglasii John Thomas Howell 1960-7-18 35583 Plumas Drakesbad 1828 Comment
  JEPS28640  Spiraea douglasii George W. Gillett 1957-7-19 856 Plumas about 1.25 mi above Devils Kitchen (on trail to Sifford Lakes); Lassen Volcanic National Park 2057 Comment
  UC1543680  Spiraea douglasii Harold and Virginia Bailey 1948-8-27 2922 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC149699  Spiraea splendens Tilda Becker 1960-7-23 s.n. Shasta Sifford Lakes, Lassen Park 2194 Comment
  CHSC54394  Stellaria borealis subsp. sitchana Vernon H. Oswald 1991-7-8 4704 Plumas Lassen Volcanic National Park. Meadow on the northwest edge of Willow Lake, just north of the park boundary. Near the west gate in the park boundary fence. 1676 Comment
  RSA291301  Stellaria longipes J. T. Howell 1960-7-18 35516 Plumas Drakesbad. 1677 Comment
  CAS-BOT-BC391079  Stellaria longipes subsp. longipes B. C. Cain 1925-8-24 69 Lassen 1 mi. below Drakesbad, Mt. Lassen Nat. Park Comment
  CAS-BOT-BC391186  Stellaria longipes subsp. longipes John Thomas Howell 1960-7-18 35516 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CAS-BOT-BC391209  Stellaria longipes subsp. longipes Roxana S. Ferris; Laura Lorraine 1941-8-10 10466 Shasta Lassen National Park near Summit Lake 2042 Comment
  UCD99322  Stellaria longipes subsp. longipes John Thomas Howell 1960-7-18 35516 Plumas Drakesbad. 1676 Comment
  UC711936  Stellaria longipes var. longipes Roxana S. Ferris and Laura Lorraine 1941-8-10 10466 Shasta near Summit Lake; Lassen National Park 2042 Comment
  CHSC60889  Stellaria media Vernon H. Oswald 1993-6-17 5552 Plumas Trail along the N shore of Willow Lake, at an old camping site ca. 0.3 mi SE of the gate in fence marking the S boundary of Lassen Volcanic National Park. 1656 Comment
  CHSC58186  Stellaria obtusa Vernon H. Oswald; Lowell Ahart 1992-6-22 5013 Plumas Lassen Volcanic National Park. Little Willow Creek between Willow Lake and the access road into Terminal Geyser. On the edge of the creek. 1676 Comment
  UC1558249  Stellaria umbellata Harold and Virginia Bailey 1948-8-25 3027 b Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  JEPS29560  Stephanomeria lactucina John Thomas Howell 1960-7-19 35681 Plumas Drakesbad Lassen Volcanic National Park 1676 Comment
  UC1036224  Stephanomeria lactucina George W. Gillett 1953-8-21 340 Shasta vicinity Summit Lake (near Corral Meadows telephone); Lassen Volcanic National Park 1828 Comment
  UC1096391  Stephanomeria lactucina George W. Gillett 1953-8-21 341 Shasta 0.25 mi below Summit Lake (on trail to Corral Meadow, vicinity of Summit Lake); Lassen Volcanic National Park, Summit Lake 2011 Comment
  UC485808  Stephanomeria lactucina H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC87823  Streptanthus tortuosus Gillett; Hans Leschke 1957-7-13 s.n. Shasta Lassen Volcanic National Park. South of Sifford Lakes. 2042 Comment
  CHSC58165  Streptanthus tortuosus var. orbiculatus Vernon H. Oswald 1992-6-18 4990 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek, ca. 0.5 mi upstream from the boundary of the park. 1621 Comment
  CHSC55808  Streptopus amplexifolius var. americanus Vernon H. Oswald 1991-9-11 4870 Plumas South of Hot Springs Creek and west of Dream Lake at Drakesbed. Lassen Volcanic National Park. 1746 Comment
  UC1543719  Symphoricarpos Harold and Virginia Bailey 1948-8-25 2960 b Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  CAS-BOT-BC237005  Symphoricarpos mollis John Thomas Howell 1960-7-18 35552 Plumas Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC55796  Symphyotrichum bracteolatum Vernon H. Oswald 1991-9-11 4867 Plumas Lassen Volcanic National Park. North of the meadow and west of the resort at Drakesbad. 1767 Comment
  CAS-BOT-BC98930  Symphyotrichum foliaceum var. parryi B. C. Cain 1925-8-24 111 Lassen 1 mi. below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  CAS-BOT-BC98464  Symphyotrichum spathulatum Roxana S. Ferris; Laura Lorraine 1941-8-10 10474 Shasta Lassen National Park, near Summit Lake 2042 Comment
  CAS-BOT-BC98541  Symphyotrichum spathulatum B. C. Cain 1925-8-24 82 Lassen 1 mi. below Drakesbad, Mt. Lassen Nat. Park 1645 Comment
  JEPS28115  Symphyotrichum spathulatum J. Thomas Howell 1960-7-18 35563 Plumas Drakesbad Lassen Volcanic National Park, Drakesbad 1676 Comment
  UC485809  Symphyotrichum spathulatum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  UC711831  Symphyotrichum spathulatum Roxana S. Ferris and Laura Lorraine 1941-8-10 10474 Shasta near Summit Lake; Lassen National Park 2042 Comment
  CHSC54406  Taraxia subacaulis Vernon H. Oswald 1991-6-12 4664 Plumas Lassen Volcanic National Park. Meadow on the north side of Willow Lake, on the north side of the park boundary, ca. 3 miles southeast of Drakesbad. 1661 Comment
  CAS-BOT-BC392417  Thalictrum fendleri John Thomas Howell 1960-7-18 35557 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  CHSC54413  Thalictrum sparsiflorum Vernon H. Oswald 1991-7-8 4703 Plumas Lassen Volcanic National Park. Meadow on the northwest edge of Willow Lake, just north of the park boundary. 1682 Comment
  UC1543708  Tofieldia occidentalis subsp. occidentalis Harold and Virginia Bailey 1948-8-25 2969 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1543711  Tofieldia occidentalis subsp. occidentalis Harold and Virginia Bailey 1948-8-25 3012 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1558242  Tofieldia occidentalis subsp. occidentalis Harold and Virginia Bailey 1948-8-25 2960 c Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC54550  Torreyochloa erecta Vernon H. Oswald 1991-8-5 4806 Plumas Lassen Volcanic Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. Southeast border of the lake. 1844 Comment
  CHSC58541  Torreyochloa pallida var. pauciflora Vernon H. Oswald; Lowell Ahart 1992-7-6 5068 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.5 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). On the edge of a meadow surrounding an unmapped pond. 1780 Comment
  UCD93185  Torreyochloa pallida var. pauciflora Beecher Crampton 1964-8-25 7162 Plumas Lassen Volcanic National Park. Devil's Kitchen, Hot Springs Creek. Comment
  UCD93198  Torreyochloa pallida var. pauciflora John Thomas Howell 1960-7-19 35647 Plumas Drakesbad. 1676 Comment
  CHSC58049  Toxicoscordion venenosum var. venenosum Vernon H. Oswald; Lowell Ahart 1992-6-2 4974 Plumas Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. Lassen Volcanic National Park. 1767 Comment
  CHSC54392  Tragopogon dubius Vernon H. Oswald 1991-7-8 4702 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser, just west of the stream coming from Terminal Geyser, near the south boundary of the park. On a meadow-forest edge. 1682 Comment
  CHSC44262  Triantha occidentalis subsp. occidentalis Vernon Oswald 1988-7-19 3607 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC58192  Trichostema oblongum Vernon H. Oswald; Lowell Ahart 1992-6-22 5019 Plumas Lassen Volcanic National Park. Ca. 0.5 mi N of the park boundary along the service road into Terminal Geyser, ca. 0.6 mi ENE of Little Willow Lake. 1767 Comment
  UCD107915  Trifolium cyathiferum John Thomas Howell 1960-7-18 35534 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UC1036156  Trifolium kingii var. productum George W. Gillett 1953-7-23 297 Shasta near Park Company Horse Corral (Lassen Peak Hwy); Lassen Volcanic National Park Comment
  UC1543869  Trifolium kingii var. productum Harold and Virginia Bailey 1948-8-25 2991 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1543870  Trifolium kingii var. productum Harold and Virginia Bailey 1948-8-25 2990 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC711937  Trifolium kingii var. productum Roxana S. Ferris and Laura Lorraine 1941-8-10 10479 Shasta near Summit Lake; Lassen National Park 2042 Comment
  UC1543868  Trifolium longipes Harold and Virginia Bailey 1948-8-25 2988 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UCR55659B  Trifolium longipes G. R. Ballmer 1988-7-18 s.n. Plumas Drakesbad Resort, S Lassen Volcanic National Park 1740 Comment
  CHSC58497  Trifolium microcephalum Vernon H. Oswald; Lowell Ahart 1992-7-6 5071 Plumas Lassen Volcanic Park. On Kelly Mtn. ca . 0.4 mi WNW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). Along a streamlet in a steep-sided ravine, draining eastward into Hot Springs Creek. 1752 Comment
  UC1543867  Trifolium monanthum Harold and Virginia Bailey 1948-8-25 2970 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  JEPS28487  Trifolium monanthum var. monanthum George W. Gillett 1957-8-2 958 Shasta 1/4 mi below Summit Lake (100 yds s of Corral Meadow Trail); Lassen Volcanic National Monument 2026 Comment
  CAS-BOT-BC230193  Trifolium productum John Thomas Howell 1960-7-22 35907 Plumas Deveil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC230830  Trifolium productum Roxana S. Ferris; Laura Lorraine 1941-8-10 10479 Shasta Lassen National Park, near Summit Lake 2042 Comment
  CHSC58498  Trifolium variegatum var. geminiflorum Vernon H. Oswald; Lowell Ahart 1992-7-6 5073 Plumas Lassen Volcanic National Park. On Kelly Mtn. 0.4 mi WNW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1752 Comment
  SBBG21860  Trifolium wormskioldii D. Myrick 1964-7-20 887 Plumas near Willow Lake, S of Drakesbad 1981 Comment
  UCR55659A  Trifolium wormskioldii G. R. Ballmer 1988-7-18 s.n. Plumas Drakesbad Resort, S Lassen Volcanic National Park 1740 Comment
  CAS-BOT-BC199690  Trisetum canescens John Thomas Howell 1960-7-22 35910 Plumas Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC199706  Trisetum canescens George W. Gillett 1957-7-17 786 Plumas In side gully of Willow Lake inlet 1767 Comment
  JEPS28315  Trisetum canescens George W. Gillett 1957-7-17 786 Plumas side gulley of inlet Willow Lake; Lassen Volcanic National Park 1767 Comment
  UCD93594  Trisetum canescens John Thomas Howell 1960-7-17 35492 Plumas Drakesbad. 1676 Comment
  UC1543783  Trisetum projectum Harold and Virginia Bailey 1948-8-27 2924 b Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  UC485763  Trisetum projectum H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC200254  Trisetum spicatum Hans Leschke 1954-9-25 s.n. Shasta Lower Kings Creek Meadow. Lassen Volcanic National Park 2200 Comment
  CAS-BOT-BC200454  Trisetum wolfii George W. Gillett 1957-8-2 964 Shasta 1/4-mile below Summit Lake and 100 yards south of Corral Meadow trail 2026 Comment
  JEPS28311  Trisetum wolfii George W. Gillett 1957-8-2 964 Shasta 0.25 mi below Summit Lake (and 100 yds s of Corral Meadows trail); Lassen Volcanic National Park 2026 Comment
  UC1543784  Trisetum wolfii Harold and Virginia Bailey 1948-8-25 3013 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  UC1558247  Trisetum wolfii Harold and Virginia Bailey 1948-8-25 3013 Shasta Summit Lake; Lassen Volcanic National Park 2040 Comment
  SBBG21834  Triteleia hyacinthina D. Myrick 1964-7-20 885 Plumas near Willow Lake, S of Drakesbad 1981 Comment
  HSC3104  Triteleia montana H. E. Parks, S. T. Parks Jun 1928 244 Lassen Lassen National Park, Drakesbad 1768 Comment
  SBBG21913  Triteleia montana D. Myrick 1964-7-19 868 Plumas Boiling Lake Trail, Drakesbad 1828 Comment
  UC485758  Triteleia montana H. E. and S. T. Parks Jun 1928 2944 Plumas Drakesbad Lassen National Park Comment
  CHSC54510  Tsuga mertensiana Vernon H. Oswald 1991-8-5 4801 Plumas Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1844 Comment
  CAS-BOT-BC74009  Turritis glabra John Thomas Howell 1960-7-20 35729 Plumas Lassen Volcanic National Park. Drakesbad. 1828 Comment
  CHSC54520  Turritis glabra Vernon H. Oswald 1991-8-8 4817 Plumas Lassen Volcanic Park. Trail to Terminal Geyser just north of the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. Along the trail. 1658 Comment
  UCD111558  Urtica dioica subsp. holosericea John Thomas Howell 1960-7-20 35717 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CHSC44139  Utricularia intermedia V. Oswald; L. Ahart 1988-8-4 3676 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Bog at the nw end of the lake. 1676 Comment
  CHSC94535  Utricularia intermedia Barry Rice 2006-7-15 BR 060703 Plumas Lassen Volcanic National Park. In the shallows of Little Willow Lake. Comment
  CHSC94536  Utricularia intermedia Barry Rice 2006-7-15 BR 060702 Plumas Lassen Volcanic National Park. In the shallows of Little Willow Lake. Comment
  CHSC94537  Utricularia intermedia Barry Rice 2006-7-15 BR 060701 Plumas Lassen Volcanic National Park. In the shallows of Little Willow Lake. Comment
  CHSC99578  Utricularia intermedia Barry Rice 2004-8-21 BR 040806 Plumas In shallows and on floating Sphagnum mat at Willow Lake. Comment
  UCD121692  Utricularia intermedia Barry Rice 2005-7-23 BR 050711 Plumas Lassen Volcanic National Park, Little Willow Lake. Comment
  UCD121701  Utricularia intermedia Barry Rice 2006-7-16 BR 060704 Plumas at Willow Lake. Comment
  UCD121704  Utricularia intermedia Barry Rice 2004-8-21 BR 040806 Plumas at Willow Lake. Comment
  UC1795495  Utricularia macrorhiza Barry Rice 2005-7-23 BR 50709 Plumas Lassen Volcanic National Park, In the shallows of Little Willow Lake Comment
  UCD122048  Utricularia macrorhiza Barry Rice 2005-7-23 BR 050710 Plumas Lassen Volcanic National Park, Little Willow Lake. Comment
  CHSC54480  Utricularia minor Vernon H. Oswald; Beth Corbin 1991-7-23 4765 Plumas Willow Lake located southeast of Drakesbad, just south of the boundary of Lassen Volcanic Park. In bog in the lake. 1676 Comment
  CHSC54529  Utricularia minor Vernon H. Oswald 1991-8-5 4799 Plumas Lassen Volcanic Park. Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. Along the southwest edge of the lake. 1844 Comment
  UCD121860  Utricularia minor Barry Rice 2004-8-21 BR 040805 Plumas at Willow Lake. Comment
  UCD121875  Utricularia minor Elizabeth Salvia 2004-8-21 ES 0007 Plumas at Willow Lake. Comment
  CAS-BOT-BC240362  Utricularia ochroleuca V. Oswald; L. Ahart 1988-8-4 3676 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  CHSC54403  Utricularia ochroleuca Vernon H. Oswald 1991-7-17 4743 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. On the margin of the lake. 1828 Comment
  UC1795492  Utricularia ochroleuca Barry Rice 2005-7-23 BR 50712 Plumas Lassen Volcanic National Park. In the shallows of Little Willow Lake. Comment
  UC1795494  Utricularia ochroleuca Barry Rice 2004-8-21 BR 40806 Plumas Willow Lake Comment
  CHSC46707  Utricularia vulgaris V. Oswald; W. Dempsey 1989-8-24 3962 Plumas Little Willow Lake on the s edge of Lassen Volcanic National Park, ca. 11 mi (air) nw of Chester. 1828 Comment
  UC1543718  Vaccinium Harold and Virginia Bailey 1948-8-25 2965 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  UC1543720  Vaccinium Harold and Virginia Bailey 1948-8-27 2920 Shasta Summit Lake Lassen Volcanic National Park 2040 Comment
  CHSC77273  Vaccinium cespitosum Loren Gehrung 1999-10-16 131 Shasta Lassen Volcanic National Park. Summit Lake, northwest shore. 2036 Comment
  CAS-BOT-BC199501  Vaccinium uliginosum Hans Leschke 1956-9-20 s.n. Shasta Summit Lake, Lassen Volcanic National Park 2034 Comment
  CAS-BOT-BC199516  Vaccinium uliginosum V. Oswald; L. Ahart 1988-8-4 3669 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  CHSC44143  Vaccinium uliginosum subsp. occidentale V. Oswald; L. Ahart 1988-8-4 3669 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. S side of lake. 1676 Comment
  CHSC54397  Vaccinium uliginosum subsp. occidentale Vernon H. Oswald 1991-7-17 4744 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  UC1326254  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1947-8-13 11990 Shasta margin of Summit Lake Mt. Lassen National Park, Summit Lake 2042 Comment
  RSA201295  Veratrum californicum J. T. Howell 1960-8-20 36278 Plumas Drakesbad 1677 Comment
  RSA201366  Veratrum californicum J. T. Howell 1960-8-20 36278 Plumas Drakesbad 1677 Comment
  SD71004  Veratrum californicum John Thomas Howell 1960-8-20 36278 Plumas Lassen Volcanic National Park, wet meadow, Drakesbad. 1676 Comment
  UCD139934  Veratrum californicum var. californicum John Thomas Howell 1960-8-20 36278 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  SBBG21874  Veronica americana D. Myrick 1964-7-21 901 Plumas Drakesbad 1737 Comment
  UC1541374  Veronica americana H. E. and S. T. Parks 1928-6-1 238 Shasta Lassen Volcanic National Park, Drakesbad Drakesbad; Lassen Volcanic National Park, Drakesbad 1767 Comment
  JEPS29552  Veronica peregrina subsp. xalapensis John Thomas Howell 1960-7-19 35618 Plumas Lassen Volcanic National Park, Drakesbad Drakesbad; Lassen Volcanic National Park, Drakesbad 1676 Comment
  CHSC54534  Veronica scutellata Vernon H. Oswald 1991-8-8 4821 Plumas Lassen Volcanic National Park. Ca. 20 ft north of the rail fence along the south boundary of the park at Willow Lake, ca. 3 miles (air) southeast of Drakesbad. 1658 Comment
  UC1558248  Veronica serpyllifolia subsp. humifusa Harold and Virginia Bailey 1948-8-25 2983 Shasta Summit Lake; Lassen Volcanic National Park, Summit Lake 2040 Comment
  CHSC54420  Veronica wormskjoldii Vernon H. Oswald 1991-7-17 4742 Plumas Lassen Volcanic National Park. Little Willow Lake located on the south border of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
  CHSC58170  Vicia americana var. americana Vernon H. Oswald 1992-6-18 4986 Plumas Lassen Volcanic National Park. Warner Valley: N side of Hot Spring Creek ca. 0.2 mi upstream from the boundary of the park. 1609 Comment
  CAS-BOT-BC264008  Viola adunca Ella Dales Cantelow 1938-7-4 4555 Plumas Drakesbad Comment
  CAS-BOT-BC264015  Viola adunca John Thomas Howell 1960-7-18 35573 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  UC1761850  Viola adunca W. C. McCalla 1940-7-4 6346 Shasta Summit Lake 2042 Comment
  LA209756  Viola adunca subsp. adunca C. W. Hallis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  UC1761417  Viola bakeri Elmer I. Applegate 1929-6-20 5764 Plumas near Drakesbad (Warner Valley); Mount Lassen, E base of 1524 Comment
  UC1761554  Viola bakeri W. C. McCalla 1940-6-28 6324 Shasta near Summit Lake; Lassen National Park 2042 Comment
  UC1761623  Viola bakeri Elmer I. Applegate 1929-6-21 5805 Lassen E of Mount Lassen (Drakesbad) Comment
  CHSC97386  Viola glabella Jenny Marr; Craig Carter 2006-5-29 237 Plumas Cascade Range High. Plants collected at the southern boundary of Lassen Park adjacent Willow Lake. 1676 Comment
  UCD111052  Viola macloskeyi John Thomas Howell 1960-7-23 35958 Plumas Lassen Volcanic National Park. Drakesland, near Soda Spring. 1676 Comment
  CAS-BOT-BC185676  Vulpia myuros subsp. megalura John Thomas Howell 1960-7-20 35767 Plumas Boiling Springs Lake 1798 Comment
  CAS-BOT-BC383555  Wyethia mollis Elmer I. Applegate 1929-6-21 5782 Plumas Between Kelly's Camp and Drakesbad Comment
  UC485761  Zigadenus paniculatus H. E. and S. T. Parks June 1928 224 Plumas Drakesbad Mt. Lassen National Park, Drakesbad Comment
  UC1541407  Zigadenus venenosus var. venenosus H. E. and S. T. Parks June 1928 224 Plumas Drakesbad Lassen National Park 1737 Comment



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