Search Results — 992 specimen records retrieved (938 records with coordinates)
Results for search: County=PLUMAS; Source=All; Collector=Oswald;   

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC111276  Schoenoplectus acutus var. occidentalis V. Oswald; Lowell Ahart 1988-8-4 3667 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic National Park. 1676 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
  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
  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-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
  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
  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
  CAS-BOT-BC342646  Madia citrigracilis V. Oswald; L. Ahart 1988-8-4 3675 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  CAS-BOT-BC413555  Persicaria amphibia V. Oswald; L. Ahart 1988-8-4 3668 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park 1676 Comment
  CAS-BOT-BC451561  Scheuchzeria palustris 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. 1676 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
  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
  CDA22680  Eriogonum umbellatum var. ahartii Vernon H. Oswald & Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Highway west of Meadow Valley, 0.1 mile west of Silver Lake Road. Comment
  CDA5416  Eriophyllum lanatum var. integrifolium Vernon H. Oswald & Lowell Ahart 1998-8-11 9490 Plumas Slope on the south side of Onion Valley on the Quincy-La Porte Road (County Road 511) northwest of Pilot Peak. Comment
  CDA8682  Senecio streptanthifolius Vernon H. Oswald & Lowell Ahart 1998-8-11 9491 Plumas Slope on the south side of Onion Valley on the Quincy-La Porte Road (County Road 511) northwest of Pilot Peak. 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
  CHSC42611  Lomatium dissectum var. multifidum Vernon Oswald 1986-6-2 2079 Plumas Rd. A-15, 5.2 mi sw of Hwy 70 at Portola. 1524 Comment
  CHSC42639  Osmorhiza occidentalis Vernon Oswald 1986-6-6 2099 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC42646  Perideridia bolanderi subsp. bolanderi Vernon Oswald 1986-7-10 2187 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC42663  Sanicula graveolens Vernon Oswald 1986-6-6 2084 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC42666  Sanicula graveolens Vernon Oswald 1986-6-6 2097 Plumas Oroville-Quincy Hwy 1.3 mi n of Four Trees. 1615 Comment
  CHSC42668  Sanicula graveolens Vernon Oswald 1986-6-6 2092 Plumas LaPorte-Quincy Rd. 0.5 mi n of its jct. with the Pacific Crest Trail. 1950 Comment
  CHSC43150  Diplacus mephiticus Vernon Oswald 1985-7-24 1912 Plumas Besides the road just s of North Valley Creek, ca. 2.2 air mi ene of Ramsey Bar. 1310 Comment
  CHSC43575  Cryptogramma acrostichoides Vernon Oswald 1983-8-24 1020 Plumas Pacific Crest Trail, ca. 2 mi e of Humboldt Summit n-e of Jonesville. 2072 Comment
  CHSC43607  Ageratina occidentalis Vernon Oswald 1983-8-24 1021 Plumas Pacific Crest Trail, ca. 2 mi E of Humboldt Summit N-E of Jonesville. 2072 Comment
  CHSC43608  Ericameria bloomeri Vernon Oswald 1984-8-14 1649 Plumas Hwy 36 at the Chester Airport. 1386 Comment
  CHSC43610  Hazardia whitneyi var. whitneyi Vernon Oswald 1983-8-24 1023 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  CHSC43616  Helianthus bolanderi Vernon Oswald 1984-8-14 1648 Plumas Hwy 89, 0.1 mi e of Humbug-Humboldt Rd. 1371 Comment
  CHSC43626  Microseris nutans Vernon Oswald 1986-6-6 2081 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC43666  Lupinus arbustus Vernon Oswald 1983-8-4 970 Plumas Pacific Crest Trail just east of Humboldt Summit. 2023 Comment
  CHSC43667  Lupinus lepidus var. lobbii Vernon Oswald 1984-6-19 1292 Plumas Paynes Creek Rd. between Wilson Lake and Chester, 8.8 mi n-e of Hwy 36. 1584 Comment
  CHSC43676  Trifolium productum Vernon Oswald 1984-6-25 1328 Plumas La Porte-Quincy Rd. at the S. Fork of Feather River. 1926 Comment
  CHSC43682  Phacelia mutabilis Vernon Oswald 1983-8-4 964 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC43695  Taraxia tanacetifolia Vernon Oswald 1984-7-9 1561 Plumas Hwy 89, 3.6 mi s-e of Hwy 36. On the edge of a vernal pond. 1377 Comment
  CHSC43710  Persicaria amphibia Vernon Oswald 1984-8-14 1645 Plumas Hwy 89 at the s edge of Crescent Mills. Growing in the dry bed of a vernally wet, marshy ditch. 1071 Comment
  CHSC43718  Claytonia lanceolata Vernon Oswald 1984-6-25 1322 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. Growing on the wooded edge of a mountain meadow. 1889 Comment
  CHSC43726  Actaea rubra Vernon Oswald 1986-7-2 2181 Plumas Pacific Crest Trail, ca. 0.3 mi e of Humboldt Summit. 1999 Comment
  CHSC43734  Potentilla glandulosa subsp. ashlandica Vernon Oswald 1986-7-10 2194 Plumas Forest Service Rd. (Pacific Crest Trail) 1.9 mi w of LaPorte-Quincy Rd. Roadside. 1859 Comment
  CHSC43744  Lithophragma glabrum Vernon Oswald 1986-6-6 2095 Plumas LaPorte - Quincy Rd. 0.2 mi n of the road to Cleghorn Bar. 1996 Comment
  CHSC43747  Lithophragma tenellum Vernon Oswald 1984-6-25 1320 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. 1889 Comment
  CHSC43748  Lithophragma tenellum Vernon Oswald 1986-6-6 2086 Plumas La Porte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC43751  Pectiantia breweri Vernon Oswald 1984-6-25 1323 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. 1889 Comment
  CHSC43754  Micranthes aprica Vernon Oswald 1984-6-25 1324 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. 1889 Comment
  CHSC43758  Collinsia torreyi var. wrightii Vernon Oswald 1983-8-4 960 Plumas Humbolt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC43764  Castilleja campestris subsp. campestris Vernon Oswald 1984-7-9 1559 Plumas Hwy 89, 3.6 mi s-e of Hwy 36. 1377 Comment
  CHSC43769  Pedicularis semibarbata Vernon Oswald 1983-8-4 966 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC43771  Penstemon newberryi var. newberryi Vernon Oswald 1983-8-4 968 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 Comment
  CHSC43780  Alisma triviale Vernon Oswald 1984-8-14 1646 Plumas Hwy 89 at the s edge of Crescent Mills. 1071 Comment
  CHSC43781  Allium platycaule Vernon Oswald 1984-6-25 1329 Plumas La Porte-Quincy Rd. at the S. Fork of Feather River. 1926 Comment
  CHSC43797  Fritillaria atropurpurea Vernon Oswald 1984-6-25 1326 Plumas La Porte-Quincy Rd., ca. 10.3 mi n-e of La Porte. 1889 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
  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
  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
  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
  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
  CHSC44133  Lysimachia thyrsiflora V. Oswald; L. Ahart 1988-8-4 3680 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In shallow water of a marsh along the ne shore of the lake. 1676 Comment
  CHSC44136  Persicaria amphibia V. Oswald; L. Ahart 1988-8-4 3668 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Locally common in shallow water (in which case the terminal leaves floating on the surface, the inflorescence emersed) or on mud along the marshy se edge of the lake. 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
  CHSC44141  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1988-8-4 3681 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In shallow water of a marsh along the ne shore of the lake. 1676 Comment
  CHSC44142  Menyanthes trifoliata V. Oswald; L. Ahart 1988-8-4 3677 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a floating bog at the ne edge of the lake. 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
  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
  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
  CHSC44149  Sium suave V. Oswald; L. Ahart 1988-8-4 3666 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC44184  Agoseris glauca var. monticola Vernon Oswald 1988-7-19 3594 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC44248  Panicum acuminatum var. acuminatum Vernon Oswald 1988-7-5 3551 Plumas Devil's Kitchen in Lassen Volcanic Park. 1853 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
  CHSC44252  Drosera anglica Vernon Oswald 1988-7-19 3606 Plumas Willow Lake located se of Drakesbad just s of the ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  CHSC44253  Lycopus uniflorus Vernon Oswald 1988-7-19 3601 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Along the east edge of the lake. 1676 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
  CHSC44256  Sagittaria cuneata Vernon Oswald 1988-7-19 3599 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the boggy east end 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
  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
  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
  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
  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
  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
  CHSC44263  Glyceria borealis Vernon Oswald 1988-7-19 3596 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
  CHSC44264  Potamogeton natans Vernon Oswald 1988-7-19 3597 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
  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
  CHSC44266  Sparganium emersum subsp. emersum Vernon Oswald 1988-7-19 3595 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. In the east end 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
  CHSC44604  Cystopteris fragilis Vernon Oswald 1983-8-17 1002 Plumas Pacific Crest Trail ca. 2500 ft e of Humboldt Summit. 2011 Comment
  CHSC45296  Utricularia minor Vernon Oswald 1988-9-11 3698 Plumas Green Island Lake located ca. 7 mi (air) se of Jonesville. 1859 Comment
  CHSC45306  Orobanche californica subsp. jepsonii Vernon Oswald 1988-9-4 3697 Plumas Pacific Crest Trail ca. 1 mi e of Humboldt Summit. 2103 Comment
  CHSC45349  Ipomopsis aggregata subsp. formosissima Vernon Oswald 1986-7-10 2193 Plumas Forest Service Rd. (Pacific Crest Trail) 0.9 mi w of LaPorte-Quincy Rd. On a roadcut. 1950 Comment
  CHSC45359  Phlox diffusa Vernon Oswald 1986-6-6 2082 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC45372  Eriogonum ursinum var. ursinum Vernon Oswald 1986-7-10 2190 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC45378  Polygonum douglasii var. douglasii Vernon Oswald 1986-7-2 2182 Plumas Humboldt Rd. between Humboldt Summit and Ruffa Ranch, 0.3 mi ne of road to Eagle Rocks. 1731 Comment
  CHSC45388  Claytonia lanceolata Vernon Oswald 1986-6-6 2091 Plumas LaPorte-Quincy Rd. at its jct. with the Pacific Crest Trail. 2011 Comment
  CHSC45390  Lewisia nevadensis Vernon Oswald 1986-6-6 2089 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC45637  Aster elatus Vernon H. Oswald 1986-8-7 2273 Plumas Old Hauns Rd. to Homer Lake trailhead, 2.2 mi N of Hwy 89 and slightly east of the road to Hauns Meadows. 1463 Comment
  CHSC45641  Balsamorhiza sagittata Vernon Oswald 1984-7-5 1349 Plumas Pacific Crest Trail 1.2 mi E of Humboldt Summit. 2026 Comment
  CHSC45650  Centaurea cyanus Vernon Oswald 1984-7-9 1356 Plumas Hwy 89 at the south edge of Crescent Mills. 1071 Comment
  CHSC45652  Centaurea stoebe subsp. micranthos Vernon Oswald 1986-7-22 2221 Plumas Hwy 36 at about the center of the causeway at Lake Almanor e of Chester, 9.6 mi e of the Tehama-Plumas County line. Edge of highway. 1379 Comment
  CHSC45656  Ericameria nauseosa var. speciosa Vernon Oswald 1986-7-22 2220 Plumas Hwy 36 e of Chester, 10.8 mi e of the Tehama-Plumas County line. 1402 Comment
  CHSC45657  Ericameria nauseosa var. speciosa Vernon Oswald 1983-8-24 1024 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2072 Comment
  CHSC45677  Hazardia whitneyi var. whitneyi Vernon Oswald 1986-8-7 2272 Plumas Old Hauns Rd. to Homer Lake trailhead, 7.6 mi ne of Hwy 89. On ridge. 1722 Comment
  CHSC45777  Tanacetum vulgare Vernon Oswald 1986-7-10 2202 Plumas Bucks Lake Rd. 2.4 mi w of Hwy 70 in Quincy. Roadside. 1036 Comment
  CHSC46614  Drosera X obovata Vernon H. Oswald; Wes Dempsey 1989-8-3 3914 Plumas Willow Lake located se of Drakesbad, just s of the ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  CHSC46615  Myriophyllum sibiricum V. Oswald; L. Ahart, L. Hanson 1989-7-31 3907 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. In shallow water on the edge of a floating sphagnum bog. 1670 Comment
  CHSC46616  Utricularia minor V. Oswald; L. Ahart, L. Hanson 1989-7-31 3906 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. In bog. 1670 Comment
  CHSC46617  Comarum palustre V. Oswald; L. Ahart, L. Hanson 1989-7-31 3902 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  CHSC46619  Carex diandra V. Oswald; L. Ahart, L. Hanson 1989-7-31 3904 Plumas Lake at headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  CHSC46620  Carex limosa V. Oswald; L. Ahart, L. Hanson 1989-7-31 3903 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  CHSC46621  Dulichium arundinaceum V. Oswald; L. Ahart, L. Hanson 1989-7-31 3901 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  CHSC46622  Schoenoplectus subterminalis V. Oswald; L. Ahart, L. Hanson 1989-7-31 3909 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. 1670 Comment
  CHSC46625  Calamagrostis canadensis V. Oswald; L. Ahart, L. Hanson 1989-7-31 3905 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 air mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Bog. 1670 Comment
  CHSC46626  Potamogeton gramineus V. Oswald; L. Ahart, L. Hanson 1989-7-31 3908 Plumas Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Edge of a bog. 1670 Comment
  CHSC46668  Symphyotrichum ascendens Vernon H. Oswald 1988-8-5 3924 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) S of Chester. 1316 Comment
  CHSC46669  Symphyotrichum spathulatum var. intermedium Vernon H. Oswald 1988-8-5 3622 Plumas Humbug Rd near Little Grizzly Valley, 5.0 mi (odometer) NE of Humbug Summit. 1755 Comment
  CHSC46671  Cirsium arvense Vernon H. Oswald 1988-8-5 3626 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. Bank of Yellow Creek. 1316 Comment
  CHSC46672  Helianthus bolanderi Vernon H. Oswald 1988-8-5 3628 Plumas Humbug Valley, 0.2 mi s of Soda Spring on the road to Yellow Creek Campground, ca. 13 mi (air) s of Chester. 1319 Comment
  CHSC46673  Packera subnuda var. subnuda Vernon H. Oswald 1988-8-5 3621 Plumas Humbug Rd near Little Grizzly Valley, 5.0 mi (odometer) ne of Humbug Summit. 1755 Comment
  CHSC46674  Myosotis scorpioides Vernon H. Oswald 1988-8-5 3623 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. On the edge of Yellow Creek. 1316 Comment
  CHSC46676  Vaccinium uliginosum subsp. occidentale Vernon H. Oswald 1988-8-5 3620 Plumas Humbug Rd near Little Grizzly Valley, 5.0 mi (odometer) ne of Humbug Summit. 1755 Comment
  CHSC46677  Hippuris vulgaris Vernon H. Oswald 1988-8-5 3627 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. Locally abundant in shallow water and marshy places along the edge of Yellow Creek. 1316 Comment
  CHSC46682  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald 1988-8-5 3629 Plumas Humbug Valley, 0.2 mi s of Soda Spring on the road to Yellow Creek Campground, ca. 13 mi (air) s of Chester. 1319 Comment
  CHSC46683  Ranunculus aquatilis var. diffusus Vernon H. Oswald 1988-8-5 3625 Plumas Yellow Creek Campground in Humbug Valley, ca. 13 mi (air) s of Chester. In Yellow Creek. 1316 Comment
  CHSC46694  Corallorhiza maculata Vernon Oswald 1983-8-17 1000 Plumas Pacific Crest Trail, ca. 2000 ft e of Humboldt Summit. 2011 Comment
  CHSC46699  Porterella carnosula V. Oswald 1989-8-22 3950 Plumas Lost Lake, ca. 2 mi (air) nnw of Humbug Summit. 1950 Comment
  CHSC46700  Cuscuta californica var. breviflora V. Oswald; L. Ahart 1989-8-23 3949 Plumas Lost Lake, ca. 2 mi (air) nnw of Humbug Summit. 1950 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
  CHSC46702  Drosera X obovata V. Oswald; W. Dempsey 1989-8-24 3968 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of ... Field redacted by CHSC, contact the data manager for more information 1316 Comment
  CHSC46703  Drosera rotundifolia V. Oswald; W. Dempsey 1989-8-24 3967 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of ... Field redacted by CHSC, contact the data manager for more information 1316 Comment
  CHSC46704  Corydalis caseana subsp. caseana V. Oswald; W. Dempsey 1989-8-24 3969 Plumas Big Springs in Humbug Valley, ca. 13 (air) s of Chester. 1316 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
  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
  CHSC46709  Polygonum polygaloides subsp. kelloggii V. Oswald; L. Ahart 1989-8-22 3951 Plumas Lost Lake, ca. 2 mi (air) nnw of Humbug Summit. On the drying strand of the lake. 1950 Comment
  CHSC46710  Ranunculus aquatilis var. diffusus V. Oswald; W. Dempsey 1989-8-24 3966 Plumas Domingo Spring, ca. 8 mi wnw of Chester. In Domingo Creek. 1560 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
  CHSC46713  Lemna trisulca V. Oswald; W. Dempsey 1989-8-24 3970 Plumas Big Springs in Humbug Valley, ca. 13 mi (air) s of Chester. 1316 Comment
  CHSC46715  Torreyochloa erecta V. Oswald; L. Ahart 1989-8-22 3952 Plumas Impounded spring on the e side of Humbug Rd 1.5 mi (odometer) n of Humbug Summit (Butte county line). On the edge of the pond. 1981 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
  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
  CHSC47967  Apocynum androsaemifolium Vernon Oswald 1983-8-24 1026 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  CHSC47988  Hackelia nervosa Vernon Oswald 1983-8-4 967 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC47994  Myosotis discolor Vernon Oswald 1984-7-9 1357 Plumas Hwy 89 at the south edge of Crescent Mills. 1071 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
  CHSC48140  Crepis monticola Vernon Oswald 1984-7-5 1350 Plumas Pacific Crest Trail 1.3 mi e of Humboldt Summit. 2019 Comment
  CHSC48142  Crepis pleurocarpa Vernon Oswald 1986-7-10 2191 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC48147  Erigeron divergens Vernon Oswald 1984-8-14 1647 Plumas Hwy 89 n of Greenville at Old Haun Rd. 1143 Comment
  CHSC48152  Erigeron petrophilus var. sierrensis Vernon Oswald 1986-7-10 2192 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC48157  Eriophyllum lanatum var. integrifolium Vernon Oswald 1983-8-24 1022 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  CHSC48158  Eriophyllum lanatum var. integrifolium Vernon Oswald 1986-7-10 2188 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 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
  CHSC48188  Nothocalais alpestris Vernon Oswald 1984-6-25 1330 Plumas La Porte-Quincy Rd. near the jct. of the road to Cleghorn Bar. 1905 Comment
  CHSC48189  Nothocalais alpestris Vernon Oswald 1984-7-12 1574 Plumas Henry's Flat between Lotts Lake and Spring Valley Lake, ca. 4 mi e of Philbrook Reservoir. 1950 Comment
  CHSC48197  Solidago velutina subsp. californica Vernon Oswald 1984-7-9 1358 Plumas Hwy 89 at Lake Almanor spillway. Beside the road. 1377 Comment
  CHSC48249  Arenaria kingii var. glabrescens Vernon Oswald 1986-6-6 2085 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC48250  Arenaria kingii var. glabrescens Vernon Oswald 1984-6-25 1327 Plumas La Porte-Quincy Rd. at the S. Fork of Feather River. 1926 Comment
  CHSC48310  Sedum obtusatum subsp. boreale Vernon Oswald 1986-7-10 2195 Plumas LaPorte-Quincy Rd. 0.5 mi n of Pacific Crest Trail. 1950 Comment
  CHSC48319  Cardamine pensylvanica Vernon Oswald 1985-5-26 1779 Plumas South loop of road between Hwy 70 and Butterfly Valley at Big Blackhawk Creek. Along the creek. Comment
  CHSC48332  Erysimum capitatum var. capitatum Vernon Oswald 1986-4-6 2093 Plumas LaPorte-Quincy Rd. 0.5 mi n of its jct. with the Pacific Crest Trail. 1950 Comment
  CHSC48356  Thlaspi montanum var. montanum Vernon Oswald 1986-6-6 2087 Plumas La Porte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC48441  Dicentra pauciflora Vernon Oswald 1986-6-6 2094 Plumas LaPorte-Quincy Rd. 0.5 mi n of its jct. with the Pacific Crest Trail. 1950 Comment
  CHSC48442  Dicentra uniflora Vernon Oswald 1985-6-9 1817 Plumas Pacific Crest Trail ca. 1000 ft w of Humboldt Rd. at Humboldt Summit. 1999 Comment
  CHSC48472  Phacelia mutabilis Vernon Oswald 1986-7-10 2201 Plumas LaPorte-Quincy Rd. 0.7 mi n of the road to Cleghorn Bar. 1950 Comment
  CHSC48482  Agastache urticifolia Vernon Oswald 1986-7-10 2200 Plumas LaPorte- Quincy Rd. 0.7 mi n of the road to Cleghorn Bar. 1950 Comment
  CHSC48498  Scutellaria siphocampyloides Vernon Oswald 1987-5-28 2936 Plumas Jordan Hill Rd. 0.5 mi s of the road to Sawmill Pk. Lookout. 890 Comment
  CHSC48523  Lupinus apertus Vernon Oswald 1988-9-4 3696 Plumas Pacific Crest Trail ca. 1.5 mi (air) nw of Humbug Summit. 2164 Comment
  CHSC48529  Lupinus lepidus var. confertus Vernon Oswald 1986-8-7 2271 Plumas Hwy 89 ca. 0.2 mi w of Lake Almanor spillway. 1371 Comment
  CHSC48590  Vicia americana var. americana Vernon Oswald 1986-7-10 2199 Plumas LaPorte-Quincy Rd. at Onion Valley Creek. 1859 Comment
  CHSC48674  Pleuricospora fimbriolata Vernon H. Oswald 1983-8-17 1003 Plumas Pacific Crest Trail ca. 2000 ft e of Humboldt Summit, ca 3.5 mi ne of Jonesville. 2011 Comment
  CHSC48686  Aquilegia formosa var. truncata Vernon Oswald 1983-8-4 961 Plumas Humboldt Summit, 4.5 mi NE of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC48851  Horkelia fusca subsp. tenella Vernon Oswald 1984-7-12 1573 Plumas S side of Lotts Lake. 1975 Comment
  CHSC48864  Comarum palustre Vernon Oswald 1985-7-8 1890 Plumas Warner Valley Rd. 4.5 mi n of its jct. with Wilson Lake Rd. 1560 Comment
  CHSC48882  Galium grayanum var. grayanum Vernon Oswald 1983-8-4 963 Plumas Humboldt Summit, 4.5 mi N-E of Jonesville (intersection of Butte, Plumas, and Tehama Counties). 1993 Comment
  CHSC48904  Micranthes aprica Vernon Oswald 1986-6-6 2088 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC48968  Antirrhinum vexillo-calyculatum subsp. intermedium Vernon Oswald 1984-8-14 1643 Plumas Hwy 70, 21.0 mi n of the Butte-Plumas Co. line. 822 Comment
  CHSC48977  Castilleja miniata Vernon H. Oswald 1983-8-17 1003 Plumas Pacific Crest Trail ca. 2000 ft e of Humbolt Summit, ca 3.5 mi ne of Jonesville. 2011 Comment
  CHSC49021  Pedicularis semibarbata Vernon Oswald 1986-6-6 2083 Plumas LaPorte-Quincy Rd. at the S. Fork of the Feather River. 1965 Comment
  CHSC49025  Penstemon deustus var. suffrutescens Vernon Oswald 1984-7-5 1347 Plumas Pacific Crest Trail 1.0 mi e of Humboldt Summit. 1996 Comment
  CHSC49027  Penstemon gracilentus Vernon Oswald 1983-8-4 962 Plumas Humboldt Summit, 4.5 mi n-e of Jonesville (intersection of Butte, Plumas and Tehama Counties). 1993 Comment
  CHSC49031  Penstemon roezlii Vernon Oswald 1986-7-10 2196 Plumas LaPorte- Quincy Rd. 0.5 mi n of Pacific Crest Trail. 1950 Comment
  CHSC49036  Penstemon newberryi var. newberryi Vernon Oswald 1986-7-10 2198 Plumas LaPorte-Quincy Rd. at Onion Valley Creek. 1859 Comment
  CHSC49459  Viola glabella Vernon Oswald 1984-6-25 1321 Plumas La Porte-Quincy Rd., ca. 9.7 mi n-e of La Porte. 1889 Comment
  CHSC49575  Elymus elymoides subsp. californicus Vernon Oswald 1983-8-24 1025 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2072 Comment
  CHSC49618  Juncus mertensianus Vernon Oswald 1984-6-25 1319 Plumas La Porte-Quincy Rd., ca. 9.4 mi n-e of La Porte. In meadow. 1889 Comment
  CHSC49645  Calochortus nudus Vernon Oswald 1984-7-12 1572 Plumas S side of Lotts Lake. 1975 Comment
  CHSC49652  Erythronium purpurascens Vernon Oswald 1986-6-6 2090 Plumas LaPorte-Quincy Rd. at its jct. With the Pacific Crest Trail. 2011 Comment
  CHSC49669  Xerophyllum tenax Vernon Oswald 1986-6-6 2098 Plumas Oroville-Quincy Hwy 1.3 mi n of Four Trees. 1615 Comment
  CHSC49676  Najas flexilis Vernon Oswald 1988-7-19 3600 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. At the boggy east end of the lake. 1676 Comment
  CHSC49688  Sparganium natans V. Oswald; W. Dempsey 1988-8-23 3694 Plumas Green Island Lake located ca. 7 mi (air) se of Jonesville. On the north edge of the lake. 1859 Comment
  CHSC50348  Viola purpurea subsp. integrifolia Vernon H. Oswald 1990-6-4 4282 Plumas Humbug Road just north of the Butte County line. 2042 Comment
  CHSC50406  Drosera anglica Vernon Oswald 1990-6-22 4311 Plumas Domingo Lake, ca. 0.5 mi south of Willow Lake, ca. ... Field redacted by CHSC, contact the data manager for more information 1767 Comment
  CHSC50419  Lysimachia thyrsiflora Vernon Oswald 1990-6-24 4317 Plumas Willow Lake located southeast of Drakesbad, just south of the boundary of Lassen Volcanic National Park. Uncommon in wet meadow just below the beaver dam at the outlet of the lake. 1676 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
  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
  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
  CHSC50437  Platanthera leucostachys Vernon Oswald; Lowell Ahart 1990-6-27 4327 Plumas Oro-Quincy Hwy between Merrimac and Buckeye sites, 0.3 mi north of the Butte-Plumas county line. 1487 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
  CHSC50813  Ambrosia acanthicarpa Vernon Oswald; Lowell Ahart 1990-7-25 4401 Plumas Vinton Cemetery on Hwy 70, 0.9 mi east of Vinton. 1524 Comment
  CHSC50837  Eriastrum signatum Vernon Oswald; Lowell Ahart 1990-7-25 4400 Plumas Vinton Cemetary on Hwy 70, 0.9 mi east of Vinton. 1524 Comment
  CHSC51364  Vaccinium cespitosum V. Oswald; R. Fallscheer 1990-8-22 4441 Plumas East side of Forest Rd 23N15, ca. 1.0 mi southeast of Grizzly Mtn, ca. 3.0 mi south of Bucks Lake. 1780 Comment
  CHSC54312  Acer glabrum var. torreyi Vernon Oswald; Lowell Ahart 1991-6-18 4692 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. 1920 Comment
  CHSC54313  Cycladenia humilis var. humilis Vernon H. Oswald; Lowell Ahart 1991-6-18 4686 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC54314  Asclepias cordifolia Vernon H. Oswald; Lowell Ahart 1991-6-18 4682 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC54315  Cryptantha milobakeri Vernon H. Oswald; Lowell Ahart 1991-6-18 4681 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC54316  Boechera breweri subsp. breweri Vernon H. Oswald; Lowell Ahart 1991-6-18 4677 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CHSC54317  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1991-6-18 4684 Plumas Forest Rd 28N38. 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC54318  Boechera rectissima Vernon H. Oswald; Lowell Ahart 1991-6-18 4678 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CHSC54320  Hosackia crassifolia var. crassifolia Vernon H. Oswald; Lowell Ahart 1991-6-18 4679 Plumas Forest Rd 28N38, 3.4 miles east-northwest of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC54321  Lupinus onustus Vernon H. Oswald; Lowell Ahart 1991-6-18 4688 Plumas Forest Rd 28N38, 4.9 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), 0.4 mile northwest of its junction with Forest Rd 28N68 at Greenville Saddle, ca. 4.5 miles (air) north of Greenville. 1609 Comment
  CHSC54323  Ribes cereum var. cereum Vernon H. Oswald; Lowell Ahart 1991-6-18 4689 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. On the northeast side of the lake. 1920 Comment
  CHSC54324  Hydrophyllum occidentale Vernon H. Oswald; Lowell Ahart 1991-6-18 4687 Plumas Forest Road 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC54325  Nemophila parviflora var. austiniae Vernon H. Oswald; Lowell Ahart 1991-6-18 4690 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. On a slope on the northwest side of the lake. 1920 Comment
  CHSC54326  Collomia tinctoria Vernon H. Oswald; Lowell Ahart 1991-6-18 4683 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Huan Rd), ca. 4 miles (air) north of Greenville. On roadcut. 1609 Comment
  CHSC54328  Viola adunca Vernon H. Oswald; Lowell Ahart 1991-6-18 4693 Plumas Forest Rd 28N68A, 1.6 miles south of its junction with Forest Rd 28N68, ca. 0.8 mile (air) east of Homer Lake, ca. 5.25 miles (air) north of Greenville. 2011 Comment
  CHSC54329  Viola purpurea subsp. dimorpha Vernon H. Oswald; Lowell Ahart 1991-6-18 4680 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC54330  Iris hartwegii subsp. pinetorum Vernon H. Oswald; Lowell Ahart 1991-6-18 4675 Plumas Forest Fd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CHSC54331  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1991-6-18 4676 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  CHSC54332  Epipactis gigantea Vernon H. Oswald; Lowell Ahart 1991-6-18 4685 Plumas Forest Rd 28N38, 3.4 miles east-northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC54333  Melica fugax Vernon H. Oswald; Lowell Ahart 1991-6-18 4691 Plumas Homer Lake, located ca. 5.5 miles (air) north of Greenville. On the northwest side of the lake. 1920 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
  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
  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
  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
  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
  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
  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
  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
  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
  CHSC54400  Ribes viscosissimum var. hallii Vernon H. Oswald 1991-6-12 4659 Plumas Lassen Volcanic National Park. Access road near Terminal Geyser. 1786 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  CHSC54419  Pyrola picta Vernon H. Oswald 1991-6-12 4658 Plumas Lassen Volcanic National Park. Trail between Willow Lake and Terminal Geyser. 1691 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  CHSC54460  Sphenosciadium capitellatum Vernon H. Oswald; Lowell Ahart 1991-7-30 4781 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC54462  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1991-7-30 4784 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC54463  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1991-7-30 4778 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC54464  Packera pauciflora Vernon H. Oswald; Lowell Ahart 1991-7-30 4788 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. In the west portion of the fenced enclosure at the springs. 1310 Comment
  CHSC54465  Betula pumila var. glandulifera Vernon H. Oswald; Lowell Ahart 1991-7-30 4790 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) eastnortheast of Humbug Summit, ca. 12 miles (air) south of Chester. Within the fenced, marshy enclosure at the springs. 1310 Comment
  CHSC54467  Lonicera involucrata var. involucrata Vernon H. Oswald; Lowell Ahart 1991-7-30 4787 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC54468  Lonicera cauriana Vernon H. Oswald; Lowell Ahart 1991-7-30 4786 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC54477  Gentiana newberryi var. tiogana Vernon H. Oswald; Lowell Ahart 1991-7-30 4782 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC54479  Hypericum formosum var. scouleri Vernon H. Oswald; Lowell Ahart 1991-7-30 4779 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). Common on a marshy slope bordering the creek. 1777 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
  CHSC54481  Epilobium oregonense Vernon H. Oswald; Lowell Ahart 1991-7-30 4780 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). On a slope bordering the creek. 1777 Comment
  CHSC54482  Corydalis caseana subsp. caseana Vernon H. Oswald; Lowell Ahart 1991-7-30 4783 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). 1777 Comment
  CHSC54488  Comarum palustre Vernon H. Oswald; Lowell Ahart 1991-7-30 4791 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. Along edges of streams within the fenced enclosure at the springs. 1310 Comment
  CHSC54489  Ribes inerme var. inerme Vernon H. Oswald; Lowell Ahart 1991-7-30 4798 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CHSC54493  Veronica scutellata Vernon H. Oswald; Lowell Ahart 1991-7-30 4789 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CHSC54498  Eleocharis suksdorfiana Vernon H. Oswald; Lowell Ahart 1991-7-30 4793 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CHSC54499  Eriophorum gracile Vernon H. Oswald; Lowell Ahart 1991-7-30 4794 Plumas Big Springs on the west side of Humbug Valley, ca. 7 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. Within the fenced enclosure at the springs. 1310 Comment
  CHSC54503  Triantha occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1991-7-30 4785 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summitt and Humbug Valley). 1777 Comment
  CHSC54505  Agrostis idahoensis Vernon H. Oswald; Lowell Ahart 1991-7-30 4795 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. 1310 Comment
  CHSC54506  Muhlenbergia andina Vernon H. Oswald; Lowell Ahart 1991-7-30 4797 Plumas Big Springs on the west side of Humbug Valley, ca. 6 miles (air) east-northeast of Humbug Summit, ca. 12 miles (air) south of Chester. Within the fence enclosure at the springs. 1310 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
  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
  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
  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
  CHSC54515  Erigeron petrophilus var. sierrensis Vernon H. Oswald; Beth Corbin 1991-8-13 4824 Plumas Spur road to Middle Campground, located off of Forest Rd 26N26.2, ca. 4 miles south of the PG and E Campground in Humbug Valley. Along the road. 1304 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  CHSC54858  Isoetes bolanderi Vernon H. Oswald 1991-8-23 4846 Plumas Road to Juniper Lake Campground, 1.8 miles north of the park boundary. Lassen Volcanic National Park. 2072 Comment
  CHSC54859  Dryopteris arguta Vernon H. Oswald 1991-9-11 4873 Plumas Domingo Spring on Chester-Wilson Lake Rd (Forest Rd 29N63; Plumas County Rd 311), ca. 7.5 miles (air) west-northwest of Chester. 1545 Comment
  CHSC54862  Subularia aquatica var. americana Vernon H. Oswald 1991-8-23 4845 Plumas Lassen Volcanic Park. Road to Juniper Lake Campground, 1.8 miles north of the park boundary. In a snow lake on the southwest side of the road. 2072 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
  CHSC54867  Arceuthobium californicum Vernon H. Oswald 1991-8-23 4840 Plumas Lassen Volcanic Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2255 Comment
  CHSC54869  Persicaria lapathifolia Vernon H. Oswald 1991-8-23 4842 Plumas Lassen Volcanic National Park. Outlet of Juniper Lake. Common on dry mud on the strand of the lake. 2057 Comment
  CHSC54872  Eleocharis bella Vernon H. Oswald 1991-8-23 4843 Plumas Lassen Volcanic Park. Outlet of Juniper Lake. 2057 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
  CHSC54875  Muhlenbergia jonesii Vernon H. Oswald 1991-8-23 4847 Plumas Lassen Volcanic National Park. Road to Juniper Lake Campground, 1.6 miles north of the park boundary. Swale on the southwest side of the road. 2072 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
  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
  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
  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
  CHSC55805  Arceuthobium abietinum Vernon H. Oswald 1991-9-8 4863 Plumas Lassen Volcanic Park. Trail from Willow Lake to Terminal Geyser. 1767 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
  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
  CHSC55811  Bromus ciliatus Vernon H. Oswald 1991-9-11 4869 Plumas Lassen Volcanic Park. West of the resort at Drakesbad. 1767 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
  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
  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
  CHSC57834  Arceuthobium campylopodum Vernon H. Oswald 1992-5-5 4932 Plumas Lassen Volcanic National Park. Kings Creek Trail ca. 0.5 mi N of Camp Kelley, just inside the S boundary of the park. 1627 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
  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
  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
  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
  CHSC58030  Ribes cereum var. cereum Vernon H. Oswald 1992-6-1 4961 Plumas Lassen Volcanic National Park. Juniper Lake Rd., 0.3 mi N of the park boundary, beside a tributary of Brenner Creek. 1987 Comment
  CHSC58032  Nemophila spatulata Vernon H. Oswald 1992-5-21 4944 Plumas Lassen Volcanic National Park. Warner Valley-Drakesbad Rd. between Lee and Kelly camps. On the edge of an alder thicket in the corner of the park on the SW side of the road. 1597 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
  CHSC58034  Anemone oregana Vernon H. Oswald 1992-5-21 4945 Plumas Lassen Volcanic National Park. Warner Valley-Drakesbad Rd. between Lee and Kelly camps. In the corner of the park on the SW side of the road. 1597 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
  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
  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
  CHSC58041  Lithophragma tenellum Vernon H. Oswald 1992-6-1 4959 Plumas Lassen Volcanic National Park. Juniper Lake Rd., 0.3 mi N of the park boundary, beside a tributary of Brenner Creek. 1987 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
  CHSC58048  Allium parvum Vernon H. Oswald 1992-5-18 4941 Plumas Juniper Lake Rd. 0.3 mi N of the park boundary. Lassen National Park. 1999 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
  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
  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
  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
  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
  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
  CHSC58160  Senecio aronicoides Vernon H. Oswald 1992-6-1 4960 Plumas Lassen Volcanic National Park. Juniper Lake Rd., 0.3 mi N of the park boundary, beside a tributary of Brenner Creek. 1987 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
  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
  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
  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
  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
  CHSC58167  Stellaria crispa Vernon H. Oswald 1992-6-18 4999 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC58168  Drosera rotundifolia Vernon H. Oswald 1992-6-18 5000 Plumas Lassen Volcanic National Park. Corner of park on S ... Field redacted by CHSC, contact the data manager for more information 1597 Comment
  CHSC58169  Pyrola asarifolia subsp. asarifolia Vernon H. Oswald 1992-6-18 5001 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd. between Lee and Kelly camps. 1597 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
  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
  CHSC58172  Utricularia intermedia Vernon H. Oswald 1992-6-18 5002 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd. between Lee and Kelly camps. In pools on margin of a large meadow. 1597 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
  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
  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
  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
  CHSC58178  Pedicularis attollens Vernon H. Oswald 1992-6-18 5003 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd between Lee and Kelly camps. 1597 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
  CHSC58180  Carex echinata subsp. echinata Vernon H. Oswald 1992-6-18 5004 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC58181  Eriophorum gracile Vernon H. Oswald 1992-6-18 5005 Plumas Lassen Volcanic National Park. Corner of park on S side of Warner Valley Rd. between Lee and Kelly camps. 1597 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
  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
  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
  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
  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
  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
  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
  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
  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
  CHSC58193  Utricularia vulgaris Vernon H. Oswald; Lowell Ahart 1992-6-22 5029 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps, near the S boundary. In a small drainage in a meadow. 1597 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
  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
  CHSC58196  Comarum palustre Vernon H. Oswald; Lowell Ahart 1992-6-22 5027 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps. Meadow. 1597 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
  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
  CHSC58200  Veronica scutellata Vernon H. Oswald; Lowell Ahart 1992-6-22 5028 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC58201  Carex limosa Vernon H. Oswald; Lowell Ahart 1992-6-22 5025 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly Camps. 1597 Comment
  CHSC58202  Eleocharis suksdorfiana Vernon H. Oswald; Lowell Ahart 1992-6-22 5026 Plumas Lassen Volcanic National Park. Small corner of park property on the S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC58203  Sisyrinchium idahoense Vernon H. Oswald; Lowell Ahart 1992-6-22 5030 Plumas Small corner of property on the S side of Warner Valley Rd. between Lee and Kelly camps. 1627 Comment
  CHSC58204  Streptopus amplexifolius var. americanus Vernon H. Oswald; Lowell Ahart 1992-6-22 5024 Plumas Small corner of Lassen Volcanic National Park property on the S side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC58205  Listera convallarioides Vernon H. Oswald; Lowell Ahart 1992-6-22 5031 Plumas Small corner of park property located along Warner Valley Rd. between Lee and Kelly camps. Lassen Volcanic National Park. 1597 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
  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
  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
  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
  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
  CHSC58484  Antennaria media Vernon H. Oswald; Lowell Ahart 1992-7-9 5094 Plumas Lassen Volcanic National Park. A series of three ponds and vernally wet depressions bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. 2078 Comment
  CHSC58486  Erigeron lassenianus var. lassenianus Vernon H. Oswald 1992-7-3 5061 Plumas Lassen Volcanic Park. Eastern-most of three depressions and ponds on the SW side of Juniper Lake Rd. at the Lassen-Plumas county line. 2072 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
  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
  CHSC58496  Vaccinium cespitosum Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5042 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 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
  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
  CHSC58501  Phacelia hydrophylloides Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway, Joa 1992-7-1 5046 Plumas Near the entrance of Lakes Basin Campground, ca. 5 mi (air) SSW of Graegle via Gold Lake Forest Hwy. (County Rd. 519). 1926 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
  CHSC58508  Pyrola asarifolia subsp. asarifolia Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5043 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 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
  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
  CHSC58512  Comarum palustre Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5035 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). On the margin of the lake. 1926 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
  CHSC58516  Salix eastwoodiae Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5034 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC58517  Pectiantia breweri Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5044 b Plumas Near the entrance gate to Elwell Lodge at the S end of Lakes Basin Campground, S margin of Grass Lake, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC58520  Penstemon heterodoxus var. shastensis Vernon H. Oswald; Lowell Ahart 1992-7-9 5097 Plumas Lassen Volcanic National Park. A series of three ponds and vernally wet depressions bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. 2078 Comment
  CHSC58522  Carex athrostachya Vernon H. Oswald; Lowell Ahart 1992-7-9 5098 Plumas Lassen Volcanic National Park. A series of three ponds and vernally wet depressions bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. 2078 Comment
  CHSC58525  Carex lasiocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5033 Plumas Grass Lake located just W of Lakes Basin Hwy. (County Rd. 519). 1926 Comment
  CHSC58526  Carex lenticularis var. lipocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5041 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC58527  Carex lenticularis var. lipocarpa Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5040 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC58529  Dulichium arundinaceum Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5037 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC58531  Schoenoplectus subterminalis Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5036 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). At the W end of the boggy lake. 1926 Comment
  CHSC58533  Juncus mertensianus Vernon H. Oswald; Lowell Ahart 1992-7-9 5095 Plumas Lassen Volcanic Park. A series of three ponds and vernally wet depressions bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. At the edge of the woods bordering the S side of the deeper (middle) pond. 2078 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
  CHSC58536  Listera convallarioides Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5044 a Plumas Near the entrance gate to Elwell Lodge at the S end of Lakes Basin Campground, S margin of Grass Lake, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 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
  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
  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
  CHSC58542  Trisetum spicatum Vernon H. Oswald; Lowell Ahart 1992-7-9 5096 Plumas Lassen Volcanic Park. A series of three ponds bordering the SW side of the road into Juniper Lake, on the border of Lassen and Plumas counties. Bordering the S side of the middle pond. 2078 Comment
  CHSC58543  Sparganium natans Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5038 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). At the W end of the lake. 1926 Comment
  CHSC58838  Boechera pinetorum Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5045 Plumas Near the entrance of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC58856  Carex canescens Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5039 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 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
  CHSC59080  Packera pauciflora Vernon H. Oswald 1992-8-10 5150 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps, on the W boundary line, near the SW corner. Meadow. 1597 Comment
  CHSC59087  Gentiana newberryi var. tiogana Vernon H. Oswald 1992-8-10 5151 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps, near the S boundary. 1597 Comment
  CHSC59092  Epilobium luteum Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd. 23N10 between the junction of 22N19 and Hopkins Creek, ca. 2.25 mi (air) ESE of Pilot Pk., ca. 9 mi (air) NE of La Porte. On the bed of a streamlet. 1706 Comment
  CHSC59099  Linaria vulgaris Vernon H. Oswald; Lowell Ahart, Loren Gehrung, Linnea Hanson, Tyleas 1992-8-20 5169 Plumas Quincy-La Porte Rd. on the N edge of La Porte. 1514 Comment
  CHSC59102  Lemna trisulca V. H. Oswald; D. Showers, M. A. Showers 1992-8-23 5175 Plumas Lassen Volcanic National Park. Small corner of the park on the SW side of Warner Valley Rd. between Lee and Kelly camps. In a ditch in a meadow, near the EW boundary line of the park. 1595 Comment
  CHSC59103  Goodyera oblongifolia Vernon H. Oswald 1992-8-10 5153 Plumas Small corner of Lassen Volcanic National Park on the SW side of Warner Valley Rd. between Lee and Kelly camps. 1597 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
  CHSC59126  Cicuta douglasii Vernon H. Oswald 1992-8-10 5155 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps. 1597 Comment
  CHSC59134  Senecio hydrophilus V. H. Oswald; D. Showers, M. A. Showers 1992-8-23 5174 Plumas Lassen Volcanic National Park. Small corner of the park on the SW side of Warner Valley Rd. between Lee and Kelly camps. In a meadow, probably just S of the EW boundary line. 1595 Comment
  CHSC59139  Symphyotrichum frondosum Vernon H. Oswald 1992-8-10 5152 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps, near the S boundary. In a ditch in a meadow. 1597 Comment
  CHSC59144  Keckiella lemmonii Vernon H. Oswald; Lowell Ahart, Loren Gehrung, Linnea Hanson, Tyleas 1992-8-20 5173 Plumas Forest Rd. 23N10 between the junction of 22N19 and Hopkins Creek, ca. 2.25 mi (air)ESE of Pilot Pk., ca. 9 mi (air) NE of La Porte. 1706 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
  CHSC59157  Muhlenbergia andina Vernon H. Oswald 1992-8-10 5149 Plumas Lassen Volcanic National Park. Small corner of park on the SW side of Warner Valley Rd. between Lee and Kelly camps. In meadow. 1597 Comment
  CHSC59162  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1992-9-15 5209 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  CHSC59163  Cryptogramma cascadensis Vernon H. Oswald; Lowell Ahart 1992-9-15 5210 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  CHSC59164  Polystichum scopulinum Vernon Oswald; Lowell Ahart 1992-9-15 5212 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  CHSC59165  Woodsia scopulina Vernon H. Oswald; Lowell Ahart 1992-9-15 5208 Plumas Bonte Peak located E of Mt. Harkness and Juniper Lake. Lassen Volcanic National Park. 2164 Comment
  CHSC59173  Cardamine bellidifolia var. pachyphylla Vernon H. Oswald; Lowell Ahart 1992-9-15 5211 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north slope of the mountain. 2164 Comment
  CHSC59184  Epilobium obcordatum Vernon H. Oswald; Lowell Ahart 1992-9-15 5213 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north slope of the mountain. 2164 Comment
  CHSC59193  Chrysolepis sempervirens Vernon H. Oswald; Lowell Ahart 1992-9-15 5207 Plumas Lassen Volcanic National Park. Bonte Peak located E of Mt. Harkness and Juniper Lake. On the north side of the mountain. 2164 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
  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
  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
  CHSC60901  Ribes cereum var. cereum Vernon H. Oswald 1993-7-1 5629 Plumas Lassen Volcanic National Park. Ridge on the S side of Bonte Pk., just S of the summit. 2316 Comment
  CHSC60902  Ribes montigenum Vernon H. Oswald 1993-7-1 5630 Plumas Lassen Volcanic National Park. Creek on the E side of Juniper Lake Rd., ca. 1.0 mi N of the Park boundary. Twigs from a shrub ca. 8 dm tall growing among rocks on the E bank of the creek. 2029 Comment
  CHSC60904  Phacelia hydrophylloides Vernon H. Oswald 1993-7-1 5628 Plumas Lassen Volcanic National Park. Ridge on the S side of Bonte Pk., ca. 0.2 mi S of the summit. 2255 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
  CHSC60918  Ranunculus populago Vernon H. Oswald 1993-6-17 5549 Plumas Lassen Volcanic National Park. Small corner of the park on the SW side of Warner Valley Rd. between Lee and Kelly camps. Bordering a large meadow. 1597 Comment
  CHSC60919  Galium bifolium Vernon Oswald 1993-7-1 5627 Plumas Lassen Volcanic National Park. West slope of Bonte Pk., ca. 0.4 mi SW of the summit. 2133 Comment
  CHSC61017  Botrychium simplex var. compositum Vernon H. Oswald; Lowell Ahart 1993-8-3 5768 Plumas Unnamed lake ca. 0.25 mi E of Hwy Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  CHSC61044  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1993-8-3 5762 Plumas Hay Meadow located at the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. 1950 Comment
  CHSC61049  Utricularia intermedia Vernon H. Oswald; Lowell Ahart 1993-8-3 5767 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  CHSC61051  Menyanthes trifoliata Vernon H. Oswald; Lowell Ahart 1993-8-3 5759 Plumas Hay Meadow located at the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. Locally abundant in water to ca. 3 dm deep in the SE corner of the meadow. 1950 Comment
  CHSC61059  Micranthes oregana Vernon H. Oswald; Lowell Ahart 1993-8-3 5763 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  CHSC61061  Pedicularis attollens Vernon H. Oswald; Lowell Ahart 1993-8-3 5765 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. Common on the N side of the lake. 1926 Comment
  CHSC61067  Carex lasiocarpa Vernon H. Oswald; Lowell Ahart 1993-8-3 5758 Plumas Hay Meadow located at the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. In the SE corner of the meadow. 1950 Comment
  CHSC61069  Dulichium arundinaceum Vernon H. Oswald; Lowell Ahart 1993-8-3 5760 Plumas Hay Meadow located at the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. In the SE corner of the meadow. 1950 Comment
  CHSC61070  Schoenoplectus acutus var. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-3 5762 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, near the N end of 30N25 on the S edge of the Caribou Wilderness, ca. 9 mi (air) N of Lake Almanor. 1926 Comment
  CHSC61071  Schoenoplectus subterminalis Vernon H. Oswald 1993-8-3 5766 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. On the W side of the lake. 1926 Comment
  CHSC61073  Platanthera leucostachys Vernon H. Oswald; Lowell Ahart 1993-8-3 5764 Plumas Unnamed lake ca. 0.25 mi E of Hay Meadow, on the S edge of the Caribou Wilderness near the N end of 30N25, ca. 9 mi (air) N of Lake Almanor. 1926 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
  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
  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
  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
  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
  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
  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
  CHSC61658  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald; Lowell Ahart 1993-8-25 5863 Plumas North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. On a cliff on the E side of the creek. 1987 Comment
  CHSC61667  Orthilia secunda Vernon H. Oswald; Lowell Ahart 1993-8-25 5855 Plumas Ridge Lake located ca. 1 mi ESE of Spencer Mdw., ca. 0.6 mi S of Lassen Park. 1978 Comment
  CHSC61668  Ranunculus alismifolius var. alismellus Vernon H. Oswald; Lowell Ahart 1993-8-25 5869 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.3 mi upstream from the S boundary of the park. In forest on the E side of the creek, between the cascades and Twin Mdws. 2049 Comment
  CHSC61677  Erythranthe tilingii Vernon H. Oswald 1993-8-25 5858 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., just upstream from the S boundary of the park. 1987 Comment
  CHSC61679  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1993-8-25 5875 Plumas Lassen Volcanic National Park. W side of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  CHSC61682  Veronica wormskjoldii Vernon H. Oswald; Lowell Ahart 1993-8-25 5856 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., just upstream from the S boundary of the park. 1987 Comment
  CHSC61683  Arceuthobium americanum Vernon H. Oswald; Lowell Ahart 1993-8-25 5867 Plumas Lassen Volcanic National Park. North arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. On top of low cliffs on the E side of the creek. 1987 Comment
  CHSC61695  Sparganium angustifolium Vernon H. Oswald; Lowell Ahart 1993-8-25 5854 Plumas Ridge Lake located ca. 1 mi ESE of Spencer Mdw., ca. 0.6 mi S of Lassen Park. SE arm of the lake. 1978 Comment
  CHSC61701  Thalictrum fendleri var. fendleri Vernon H. Oswald; Lowell Ahart 1993-8-25 5860 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws, ca. 0.1 mi upstream from the S boundary of the park. On the W side of the creek. 1987 Comment
  CHSC61704  Sibbaldia procumbens Vernon H. Oswald; Lowell Ahart 1993-8-25 5870 Plumas Lassen Volcanic National Park. North Arm of Rice Creek near the N end of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. Along the edge of the creek. 2057 Comment
  CHSC61706  Salix jepsonii Vernon H. Oswald; Lowell Ahart 1993-8-25 5862 Plumas North Arm of Rice Creek SE of Twin MDws., ca. 0.2 mi upstream from the S boundary of Lassen Volcanic Park. 1987 Comment
  CHSC61708  Pectiantia pentandra Vernon H. Oswald; Lowell Ahart 1993-8-25 5868 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the dowstream end of a series of falls and cascades. 1987 Comment
  CHSC61710  Micranthes bryophora Vernon H. Oswald; Lowell Ahart 1993-8-25 5861 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Meadows, ca. 0.1 mi upstream from the S boundary of the park. 1987 Comment
  CHSC61716  Boechera howellii Vernon H. Oswald; Lowell Ahart 1993-8-25 5876 Plumas Lassen Volcanic National Park. W side of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  CHSC61719  Lonicera involucrata var. involucrata Vernon H. Oswald; Lowell Ahart 1993-8-25 5864 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. 1987 Comment
  CHSC61726  Silene invisa Vernon H. Oswald; Lowell Ahart 1993-8-25 5872 Plumas Lassen Volcanic National Park. S end of the arm of the North Fork of Rice Creek draining the N unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. Along the creek. 2057 Comment
  CHSC61727  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1993-8-25 5874 Plumas Lassen Volcanic National Park. W side of the North Fork of Rice Creek in the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  CHSC61728  Corydalis caseana subsp. caseana Vernon H. Oswald; Lowell Ahart 1993-8-25 5873 Plumas Lassen Volcanic National Park. S end of the arm of the North Fork of Rice Creek draining the N unit of Twin Meadows. 0.5 mi N of the S boundary of the park. 2057 Comment
  CHSC61735  Nemophila spatulata Vernon H. Oswald; Lowell Ahart 1993-8-25 5866 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., ca. 0.2 mi upstream from the S boundary of the park at the downstream end of a series of falls and cascades. Growing in drying soil along the edge of a wet, springy flat on top of low cliffs on the E side of the creek. 1987 Comment
  CHSC61759  Antennaria rosea subsp. confinis Vernon H. Oswald; Lowell Ahart 1993-8-25 5871 Plumas Lassen Volcanic National Park. Between the N and S units of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  CHSC61761  Arnica mollis Vernon H. Oswald; Lowell Ahart 1993-8-25 5859 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., just upstream from the S boundary of the park. 1987 Comment
  CHSC61770  Hieracium gracile Vernon H. Oswald; Lowell Ahart 1993-8-25 5857 Plumas Lassen Volcanic National Park. North Arm of Rice Creek SE of Twin Mdws., just upstream from the S boundary of the park. 1987 Comment
  CHSC63385  Cynoglossum occidentale Vernon H. Oswald 1994-6-8 6264 Plumas W side of lake at Cameron Meadows, ca. 0.5 mi S of Fleischmann Lake, ca. 6 mi NNW of Chester. Woods on the W side of the lake near its outlet. 1621 Comment
  CHSC63432  Allium parvum Vernon H. Oswald 1994-6-8 6263 Plumas E side of Juniper Lake Rd. just S of the boundary of Lassen Volcanic National Park, N of Chester. 1973 Comment
  CHSC63695  Bidens cernua var. cernua Vernon H. Oswald 1994-9-6 6473 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC63699  Plagiobothrys mollis var. mollis Vernon H. Oswald 1994-9-6 6475 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC63704  Lycopus uniflorus Vernon H. Oswald 1994-9-6 6474 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC63705  Utricularia intermedia Vernon H. Oswald 1994-9-6 6478 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC63706  Utricularia minor Vernon H. Oswald 1994-9-6 6477 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC63719  Rumex fueginus Vernon H. Oswald 1994-9-6 6472 Plumas Last Chance Marsh near the head of the meadow on the N side of Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC63725  Sagittaria rigida Vernon H. Oswald 1994-9-6 6476 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  CHSC64827  Madia gracilis Vernon H. Oswald 1995-6-24 6905 Plumas High Cascade Range. Hwy. 36 at the w end of the causeway over Lake Almanor, just e of Chester. 1371 Comment
  CHSC64828  Cerastium fontanum subsp. vulgare Vernon H. Oswald 1995-6-24 6912 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. Streamside meadow on the e side of the road. 1371 Comment
  CHSC64829  Stellaria longipes var. longipes Vernon H. Oswald 1995-6-24 6914 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. In a streamside meadow on the e side of the road. 1371 Comment
  CHSC64830  Claytonia rubra subsp. rubra Vernon H. Oswald 1995-6-24 6906 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. Locally abundant in wet gravel near the road. 1371 Comment
  CHSC64831  Montia chamissoi Vernon H. Oswald 1995-6-24 6909 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  CHSC64832  Ceanothus velutinus var. velutinus Vernon H. Oswald 1995-6-24 6904 Plumas Hwy. 36 at the w end of the causeway over Lake Almanor, just e of Chester. 1371 Comment
  CHSC64833  Veronica americana Vernon H. Oswald 1995-6-24 6908 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  CHSC64834  Veronica serpyllifolia subsp. humifusa Vernon H. Oswald 1995-6-24 6907 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  CHSC64835  Chamaesaracha nana Vernon H. Oswald 1995-6-24 6915 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. Roadside bank on the edge of a meadow on the e side of the road. 1371 Comment
  CHSC64844  Hypericum anagalloides Vernon H. Oswald 1995-6-24 6913 Plumas High Cascade Range. Unnamed creek crossing the road to Last Chance Campground (FS 28N11), 2.5 mi (odometer) n of Hwy. 36. Forming localized colonies in drier places in a streamside meadow on the e side of the road. 1371 Comment
  CHSC64856  Urtica dioica subsp. holosericea Vernon H. Oswald 1995-6-24 6911 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralleled by the road to last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. Growing in localized colonies in gravelly soil along the road. 1371 Comment
  CHSC64857  Anthoxanthum odoratum Vernon H. Oswald 1995-6-24 6910 Plumas E edge of Last Chance Marsh at the n end of Lake Almanor, paralled by the road to Last Chance Campground (FS 28N11), 2.0 mi (odometer) n of Hwy. 36. 1371 Comment
  CHSC65006  Salix eastwoodiae Vernon H. Oswald 1991-7-17 4751 Plumas Little Willow Lake located near the south boundary of the park, ca. 2.5 miles (air) south-southeast of Drakesbad. 1828 Comment
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May 10 2012
  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
  CHSC65086  Sanicula tuberosa Vernon H. Oswald; Lowell Ahart 1995-7-24 7115 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65092  Senecio aronicoides Vernon H. Oswald; Lowell Ahart 1995-7-24 7116 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65095  Lonicera conjugialis Vernon H. Oswald; Lowell Ahart 1995-7-24 7103 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. On the trail from Hay Mdw. To Beauty Lake. 1950 Comment
  CHSC65096  Sambucus racemosa var. microbotrys Vernon H. Oswald; Lowell Ahart 1995-7-24 7110 Plumas Caribou Wilderness N of Chester, on the trail between Indian Mdw. And Beauty Lake. 1981 Comment
  CHSC65104  Dicentra uniflora Vernon H. Oswald; Lowell Ahart 1995-7-24 7109 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. Cascade Range. 1950 Comment
  CHSC65106  Phacelia racemosa Vernon H. Oswald; Lowell Ahart 1995-7-24 7117 Plumas N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65112  Claytonia lanceolata Vernon H. Oswald; Lowell Ahart 1995-7-24 7108 Plumas Caribous Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. To Beauty lake. Common on forest floor all along the trail. 1950 Comment
  CHSC65113  Dodecatheon alpinum Vernon H. Oswald; Lowell Ahart 1995-7-24 7107 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw, on the trail from Hay Mdw. to Beauty Lake. Growing in wet soil on the edge of the pond at Indian Mdw. 1950 Comment
  CHSC65114  Anemone oregana Vernon H. Oswald; Lowell Ahart 1995-7-24 7104 Plumas High Cascade Range. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. 1950 Comment
  CHSC65117  Thalictrum fendleri var. fendleri Vernon H. Oswald; Lowell Ahart 1995-7-24 7106 Plumas High Cascade Range. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. 1950 Comment
  CHSC65123  Micranthes aprica Vernon H. Oswald 1995-7-24 7111 Plumas Caribou Wilderness N of Chester, on the trail between Indian Mdw. and Beauty Lake. 2011 Comment
  CHSC65125  Collinsia torreyi var. wrightii Vernon H. Oswald; Lowell Ahart 1995-7-24 7118 Plumas high Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65126  Diplacus jepsonii Vernon H. Oswald; Lowell Ahart 1995-7-24 7119 Plumas N of Chester n Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65128  Pedicularis semibarbata Vernon H. Oswald 1995-7-24 7105 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw to Beauty Lake. 1950 Comment
  CHSC65132  Viola bakeri Vernon H. Oswald; Lowell Ahart 1995-7-24 7114 Plumas High Cascade Range. Caribou Wilderness N of Chester, on the trail between Indian Mdw. and Beauty Lake. 2011 Comment
  CHSC65133  Viola purpurea subsp. dimorpha Vernon H. Oswald; Lowell Ahart 1995-7-24 7113 Plumas High Cascade Range. Caribou Wilderness N of Chester, an the trail between Indian Mdw. and Beauty Lake. 2011 Comment
  CHSC65134  Viola purpurea subsp. integrifolia Vernon H. Oswald; Lowell Ahart 1995-7-24 7112 Plumas High Cascade Range. Caribou Wilderness N of Chester, on the trail between Indian Mdw. and Beauty Lake. 2011 Comment
  CHSC65137  Carex rossii Vernon H. Oswald; Lowell Ahart 1995-7-24 7120 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65139  Carex whitneyi Vernon H. Oswald; Lowell Ahart 1995-7-24 7121 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65143  Luzula comosa var. laxa Vernon H. Oswald; Lowell Ahart 1995-7-24 7122 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65144  Allium campanulatum Vernon H. Oswald; Lowell Ahart 1995-7-24 7123 Plumas N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65145  Triteleia montana Vernon H. Oswald 1995-7-24 7124 Plumas N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65149  Melica fugax Vernon H. Oswald; Lowell Ahart 1995-7-24 7125 Plumas High Cascade Range. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  CHSC65415  Eryngium alismifolium Vernon Oswald 1984-7-9 1562 Plumas Hwy 89, 3.6 mi s-e of Hwy 36. 1377 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
  CHSC65423  Lupinus angustiflorus Vernon Oswald 1984-6-19 1293 Plumas Paynes Creek Rd. between Wilson Lake and Chester, 7.4 mi n-e of Hwy 36. 1584 Comment
  CHSC65458  Delphinium depauperatum Vernon Oswald 1984-6-25 1318 Plumas La Porte-Quincy Rd., ca. 9.4 mi n-e of La Porte. On edge of meadow. 1889 Comment
  CHSC65467  Lithophragma bolanderi Vernon Oswald 1986-6-6 2096 Plumas LaPorte-Quincy Rd. 1.1 mi n of the Middle Fork of the Feather River. 1280 Comment
  CHSC65477  Potamogeton pusillus var. tenuissimus V. Oswald; L. Ahart 1988-8-4 3665 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Along the se edge of the lake. 1676 Comment
  CHSC66607  Cicuta douglasii Vernon H. Oswald; Lowell Ahart 1996-7-15 8044 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Shance Campground at the srreams and marshy meadow extending E from road. High Cascade Range. 1371 Comment
  CHSC66608  Ligusticum grayi Vernon H. Oswald; Lowell Ahart 1996-7-15 8056 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  CHSC66609  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1996-7-15 8033 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CHSC66610  Artemisia douglasiana Vernon H. Oswald; Lowell Ahart 1996-7-15 8022 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  CHSC66611  Oreostemma alpigenum var. andersonii Vernon H. Oswald; Lowell Ahart 1996-7-15 8048 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Camp-ground on Forest Rd. 28N11. 1371 Comment
  CHSC66612  Matricaria discoidea Vernon H. Oswald; Lowell Ahart 1996-7-15 8014 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Jeep road paralleling the lake. 1371 Comment
  CHSC66613  Cirsium andersonii Vernon H. Oswald; Lowell Ahart 1996-7-15 8026 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. In forest bordering the lake. 1371 Comment
  CHSC66614  Helianthella californica var. nevadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8027 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  CHSC66615  Kyhosia bolanderi Vernon H. Oswald; Lowell Ahart 1996-7-15 8051 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. Meadow. 1371 Comment
  CHSC66616  Stephanomeria tenuifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8046 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. At the junction of the road to the campground and a spur road on the N side of the meadow. 1371 Comment
  CHSC66617  Alnus incana subsp. tenuifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8043 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. High Cascade Range. 1371 Comment
  CHSC66618  Plagiobothrys mollis var. mollis Vernon H. Oswald; Lowell Ahart 1996-7-15 8010 Plumas High Cascade Range. S side of the W end of the Hwy. 36 causeway crossing Lake Almanor E of Chester. 1371 Comment
  CHSC66619  Turritis glabra Vernon H. Oswald; Lowell Ahart 1996-7-15 8029 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along the lake. 1371 Comment
  CHSC66620  Sagina saginoides Vernon H. Oswald; Lowell Ahart 1996-7-15 8012 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. On Jeep road. 1371 Comment
  CHSC66621  Symphoricarpos mollis Vernon H. Oswald; Lowell Ahart 1996-7-15 8018 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  CHSC66622  Drosera rotundifolia Vernon H. Oswald; Lowell Ahart 1996-7-15 8050 Plumas Last Chance Marsh at N end of Lake Almanor, just S ... Field redacted by CHSC, contact the data manager for more information 1371 Comment
  CHSC66623  Pyrola picta Vernon H. Oswald; Lowell Ahart 1996-7-15 8021 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a Jeep road paralleling the shore of the lake. 1371 Comment
  CHSC66624  Acmispon nevadensis var. nevadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8032 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CHSC66625  Acmispon americanus var. americanus Vernon H. Oswald 1996-7-15 8030 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. On a Jeep road paralleling the lake. 1371 Comment
  CHSC66626  Trifolium wormskioldii Vernon H. Oswald; Lowell Ahart 1996-7-15 8028 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. On the edge of a Jeep road paralleling the lake. 1371 Comment
  CHSC66627  Hypericum formosum var. scouleri Vernon H. Oswald; Lowell Ahart 1996-7-15 8042 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CHSC66628  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8035 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road. 1371 Comment
  CHSC66629  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1996-7-15 8016 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  CHSC66630  Stachys ajugoides var. rigida Vernon H. Oswald; Lowell Ahart 1996-7-15 8024 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  CHSC66631  Sidalcea oregana subsp. spicata Vernon H. Oswald; Lowell Ahart 1996-7-15 8037 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CHSC66632  Clarkia stellata Vernon H. Oswald; Lowell Ahart 1996-7-15 8019 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a jeep road paralleling the shore of the lake. 1371 Comment
  CHSC66633  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1996-7-15 8031 Plumas High Cascade Range. E side of arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a Jeep road paralleling the lake. 1371 Comment
  CHSC66634  Collomia tinctoria Vernon H. Oswald; Lowell Ahart 1996-7-15 8036 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from road 29N11. On the edge of the road crossing the meadow. 1371 Comment
  CHSC66636  Persicaria amphibia Vernon H. Oswald; Lowell Ahart 1996-7-15 8011 Plumas S side of the W end of the Hwy. 36 causeway crossing Lake Almanor E of Chester. Growing on the wet strand of the lake. 1371 Comment
  CHSC66637  Rumex occidentalis Vernon H. Oswald; Lowell Ahart 1996-7-15 8040 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CHSC66638  Geum macrophyllum Vernon H. Oswald; Lowell Ahart 1996-7-15 8039 Plumas High Cascade Range. E side of Last Chance Marsh at the N edge of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from road 29N11. 1371 Comment
  CHSC66639  Potentilla rivalis Vernon H. Oswald; Lowell Ahart 1996-7-15 8013 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a jeep road paralleling the lake. 1371 Comment
  CHSC66640  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1996-7-15 8041 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from road 29N11. 1371 Comment
  CHSC66641  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1996-7-15 8025 Plumas High Cascade Range. E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along the lake. 1371 Comment
  CHSC66642  Penstemon neotericus Vernon H. Oswald; Lowell Ahart 1996-7-15 8020 Plumas E side of arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  CHSC66643  Verbascum thapsus Vernon H. Oswald; Lowell Ahart 1996-7-15 8023 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  CHSC66644  Veronica scutellata Vernon H. Oswald; Lowell Ahart 1996-7-15 8017 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CHSC66645  Urtica dioica subsp. holosericea Vernon H. Oswald; Lowell Ahart 1996-7-15 8015 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Common in moist soil on the bank of the lake. 1371 Comment
  CHSC66646  Carex pellita Vernon H. Oswald; Lowell Ahart 1996-7-15 8045 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  CHSC66647  Carex utriculata Vernon H. Oswald; Lowell Ahart 1996-7-15 8055 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  CHSC66648  Eriophorum gracile Vernon H. Oswald; Lowell Ahart 1996-7-15 8049 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. High Cascade Range. 1371 Comment
  CHSC66649  Scirpus microcarpus Vernon H. Oswald 1996-7-15 8034 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road. 1371 Comment
  CHSC66650  Elodea canadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8047 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance High Cascade Range. Campground at the streams and marshy meadow extending E from road 29N11. In marshy meadow on the E side of the road to the campground. 1371 Comment
  CHSC66651  Luzula cascadensis Vernon H. Oswald; Lowell Ahart 1996-7-15 8053 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. Meadow. 1371 Comment
  CHSC66652  Platanthera leucostachys Vernon H. Oswald; Lowell Ahart 1996-7-15 8048 .1 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  CHSC66653  Spiranthes romanzoffiana Vernon H. Oswald; Lowell Ahart 1996-7-15 8054 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Lake Chance Campground on Forest Rd. 28N11. 1371 Comment
  CHSC66654  Anthoxanthum odoratum Vernon H. Oswald; Lowell Ahart 1996-7-15 8052 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground of Forest Rd 28N11. 1371 Comment
  CHSC66655  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald; Lowell Ahart 1996-7-15 8038 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and meadow extending E from the road. On the edge of the road crossing the meadow. 1371 Comment
  CHSC66690  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8098 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Forest Rt. 417. 1188 Comment
  CHSC66691  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8101 Plumas Forest Rd. 28N38 (to Homer Lake) near the headwaters of First Water Trough Creek, ca. 4.25 mi (air) NNW of Greenville. . 1493 Comment
  CHSC66692  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8102 A Plumas Forest Rt. 201 (Old Haun Rd.) at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  CHSC66693  Aster elatus Vernon H. Oswald; Linnea Hanson 1996-7-30 8102 B Plumas Forest Rt. 201 (Old Haun Rd.) at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  CHSC66694  Ludwigia palustris Vernon H. Oswald; Linnea Hanson 1996-7-30 8100 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Forest Rt. 417. Near the dam at the pond. 1188 Comment
  CHSC66695  Rhynchospora capitellata Vernon H. Oswald; Linnea Hanson 1996-7-30 8099 Plumas Butterfly Valley Botanic Area NW of Quincy on Forest Rd. 25N47 ca. 0.3 mi S of its junction with Road 417. 1188 Comment
  CHSC66696  Sphenosciadium capitellatum Vernon H. Oswald; Lowell Ahart 1996-8-1 8139 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. At a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  CHSC66697  Aster elatus Vernon H. Oswald; Lowell Ahart 1996-8-1 8144 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  CHSC66698  Lactuca canadensis Vernon H. Oswald; Lowell Ahart 1996-8-1 8136 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at a drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  CHSC66699  Solidago elongata Vernon H. Oswald; Lowell Ahart 1996-8-1 8135 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  CHSC66700  Rudbeckia occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1996-8-1 8137 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at a drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  CHSC66701  Vicia americana var. americana Vernon H. Oswald; Lowell Ahart 1996-8-1 8142 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  CHSC66702  Pycnanthemum californicum Vernon H. Oswald; Lowell Ahart 1996-8-1 8132 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  CHSC66703  Gentiana calycosa Vernon H. Oswald; Lowell Ahart 1996-8-1 8140 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  CHSC66704  Oenothera elata subsp. hirsutissima Vernon H. Oswald; Lowell Ahart 1996-8-1 8134 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at a drainage ca. 0.9 mi W of Hauns Mdw., SSE of Dyer Mtn. Lookout, N of Hwy 89, E of Lake Almanor, NW of Greenville. 1463 Comment
  CHSC66705  Orobanche californica subsp. grayana Vernon H. Oswald; Lowell Ahart 1996-8-1 8131 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dryer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. Meadow. 1432 Comment
  CHSC66706  Aconitum columbianum var. columbianum Vernon H. Oswald; Lowell Ahart 1996-8-1 8143 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. On the uphill side of the road. 1706 Comment
  CHSC66707  Castilleja miniata subsp. miniata Vernon H. Oswald; Lowell Ahart 1996-8-1 8141 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, ca. 1.5 mi NW of Hauns Mdw., ca. 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  CHSC66708  Juncus dudleyi Vernon H. Oswald; Lowell Ahart 1996-8-1 8143 .1 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. at Second Water Trough Creek, ca. 1.25 mi NW of Hauns Mdw., ca. 2 mi SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. Along a springy cascade on the uphill side of the road. 1706 Comment
  CHSC66709  Piperia transversa Vernon H. Oswald; Lowell Ahart 1996-8-1 8133 Plumas Old Haun Rd. (Forest Rt. 201) on the S slope of Dyer Mtn. At Second Water Trough Creek, ca. 0.5 mi W of Hauns Mdw., SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville. 1432 Comment
  CHSC66710  Platanthera leucostachys Vernon H. Oswald 1996-8-1 8138 Plumas Forest Rd. 27N16 on the S slope of Dyer Mtn. At a branch of Second Water Trough Creek, ca 1.5 mi NW of Hauns Mdw., ca 1.5 mi SE of Dyer Mtn. Lookout, N of Hwy 89, E of Lake Almanor, NW of Greenville. 1706 Comment
  CHSC66743  Sphenosciadium capitellatum Vernon H. Oswald; Lowell Ahart 1996-8-14 8171 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. Between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. 1676 Comment
  CHSC66744  Oreostemma alpigenum var. andersonii Vernon H. Oswald; Lowell Ahart 1996-8-14 8172 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Camp-ground. 1676 Comment
  CHSC66745  Eucephalus breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8147 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CHSC66746  Eurybia integrifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8148 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johns-ville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CHSC66747  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald; Lowell Ahart 1996-8-14 8156 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). 1127 Comment
  CHSC66748  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald; Lowell Ahart 1996-8-14 8149 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CHSC66749  Sericocarpus oregonensis Vernon H. Oswald; Lowell Ahart 1996-8-14 8162 Plumas Northern High Sierra Nevada. Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. 1706 Comment
  CHSC66750  Anaphalis margaritacea Vernon H. Oswald; Lowell Ahart 1996-8-14 8155 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.).Northern High Sierra Nevada. 1127 Comment
  CHSC66751  Ericameria nauseosa var. oreophila Vernon H. Oswald; Lowell Ahart 1996-8-14 8157 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Along road. 1127 Comment
  CHSC66752  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1996-8-14 8163 Plumas Northern High Sierra Nevada. Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. Edge of the road. 1706 Comment
  CHSC66753  Malacothrix floccifera Vernon H. Oswald; Lowell Ahart 1996-8-14 8158 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Along the road. 1127 Comment
  CHSC66754  Solidago elongata Vernon H. Oswald; Lowell Ahart 1996-8-14 8177 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. Meadow. 1615 Comment
  CHSC66755  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8151 Plumas Northern High Sierra Nevada, Yellow Pine Forest. Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. 1920 Comment
  CHSC66756  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8150 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post). 1889 Comment
  CHSC66757  Cuscuta subinclusa Vernon H. Oswald; Lowell Ahart 1996-8-14 8173 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. 1676 Comment
  CHSC66758  Drosera rotundifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8174 Plumas Northern High Sierra Nevada. Near Bucks Summit on ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  CHSC66759  Orthilia secunda Vernon H. Oswald; Lowell Ahart 1996-8-14 8178 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi e of White Horse Campground. 1615 Comment
  CHSC66760  Vaccinium uliginosum subsp. occidentale Vernon H. Oswald; Lowell Ahart 1996-8-14 8175 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. Slope on the uphill side of the road. 1676 Comment
  CHSC66761  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1996-8-14 8179 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. 1615 Comment
  CHSC66762  Circaea alpina subsp. pacifica Vernon H. Oswald; Lowell Ahart 1996-8-14 8152 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. In a meadow. 1920 Comment
  CHSC66763  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald; Lowell Ahart 1996-8-14 8176 Plumas Northern High Sierra Nevada. Near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Rd., 1.8 mi NE of White Horse Campground. Downhill side of the road. 1676 Comment
  CHSC66764  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8180 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. In a meadow. 1615 Comment
  CHSC66765  Collomia tinctoria Vernon H. Oswald; Lowell Ahart 1996-8-14 8159 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Along the road. 1127 Comment
  CHSC66766  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1996-8-14 8160 Plumas Northern High Sierra Nevada. Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Common in hydraulic mine tailings along the road. 1127 Comment
  CHSC66767  Horkelia fusca subsp. parviflora Vernon H. Oswald; Lowell Ahart 1996-8-14 8181 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. 1615 Comment
  CHSC66768  Boykinia major Vernon H. Oswald; Lowell Ahart 1996-8-14 8165 Plumas Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. Northern High Sierra Nevada. 1645 Comment
  CHSC66769  Pectiantia breweri Vernon H. Oswald; Lowell Ahart 1996-8-14 8153 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. 1920 Comment
  CHSC66770  Keckiella lemmonii Vernon H. Oswald; Lowell Ahart 1996-8-14 8164 Plumas Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake. Norther High Sierra Nevada. 1706 Comment
  CHSC66771  Erythranthe lewisii Vernon H. Oswald; Lowell Ahart 1996-8-14 8166 Plumas Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. Northern High Sierra Nevada. 1645 Comment
  CHSC66772  Diplacus mephiticus Vernon H. Oswald; Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.). Northern High Sierra Nevada. 1127 Comment
  CHSC66773  Diplacus torreyi Vernon H. Oswald; Lowell Ahart 1996-8-14 8182 Plumas Northern High Sierra Nevada. Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi E of White Horse Campground. 1615 Comment
  CHSC66774  Pedicularis racemosa Vernon H. Oswald; Lowell Ahart 1996-8-14 8167 Plumas Northern High Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 Comment
  CHSC66775  Carex pellita Vernon H. Oswald; Lowell Ahart 1996-8-14 8154 Plumas Northern High Sierra Nevada. Northeast of La Porte on the La Porte-Quincy Rd 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. 1920 Comment
  CHSC66776  Luzula divaricata Vernon H. Oswald; Lowell Ahart 1996-8-14 8168 Plumas Northern High Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. Along a streamlet on the uphill side of the road. 1645 Comment
  CHSC66777  Cinna latifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8170 Plumas Northern high Sierra Nevada. Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. On the edge of a streamlet on the uphill side of the road. 1645 Comment
  CHSC66860  Ericameria parryi var. latior Vernon H. Oswald; Lowell Ahart 1996-9-10 8284 Plumas High Cascade Range. Forest road 29N11 on the E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.6 mi S of Last Chance Campground. Edge of road. 1371 Comment
  CHSC66899  Goodyera oblongifolia Vernon H. Oswald; Lowell Ahart 1996-8-14 8169 Plumas Silver Lake Rd. 1.9 mi SE of Silver Lake Campground, NE of Bucks Lake. 1645 Comment
  CHSC68847  Senecio hydrophiloides Vernon Oswald; Lowell Ahart 1997-6-24 8625 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow at Wheeler Sheep Campground. 1993 Comment
  CHSC68875  Castilleja tenuis Vernon Oswald; Lowell Ahart 1997-6-24 8626 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow at Wheeler Sheep Campground. 1993 Comment
  CHSC68878  Orthocarpus cuspidatus subsp. cryptanthus Vernon Oswald; Lowell Ahart 1997-6-24 8627 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow of Wheeler Sheep Campground. 1993 Comment
  CHSC68884  Penstemon rydbergii var. oreocharis Vernon Oswald; Lowell Ahart 1997-6-24 8628 Plumas South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow at Wheeler Sheep Campground. 1993 Comment
  CHSC69034  Sagittaria rigida Vernon Oswald 1997-7-22 8768 Plumas North of the causeway on Hwy. 36 at Lake Almanor on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  CHSC69123  Pyrrocoma racemosa var. paniculata Vernon Oswald; Beth Corbin, Gary Schoolcraft 1997-8-5 8811 Plumas Hay Meadow north of Lake Almanor near the southeast corner of the Caribou Wilderness. 1950 Comment
  CHSC69124  Pyrrocoma racemosa var. paniculata Vernon Oswald; Beth Corbin, Gary Schoolcraft 1997-8-5 8810 Plumas Northwest of Westwood on road 30N07 ca. 0.2 mi west of A21, ca. 2.5 mi (air) northeast of the summit of Swain Mtn. 1737 Comment
  CHSC69162  Sagittaria rigida Vernon Oswald 1997-8-1 8809 A Plumas North end of Lake Almanor (north of Hwy. 36) on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  CHSC69163  Sagittaria rigida Vernon Oswald 1997-8-1 8809 C Plumas North end of Lake Almanor (north of Hwy. 36) on the east side of Last Chance Marsh where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh. 1371 Comment
  CHSC69677  Aster Vernon H. Oswald; L. Ahart, L. Gehrung, L. Hanson, T. Martin 1992-8-20 5170 Plumas Quincy-La Porte Rd. at the pond at the N edge of La Porte. 1514 Comment
  CHSC69685  Eriogonum nudum var. deductum Vernon Oswald 1986-7-10 2189 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. Scattered plants on an open serpentine slope. 1965 Comment
  CHSC69693  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1991-8-23 4841 A Plumas Lassen Volcanic National Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2072 Comment
  CHSC69694  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1991-8-23 4841 B Plumas Lassen Volcanic National Park. Trail from the outlet of Juniper Lake to the summit of Mt. Harkness. 2072 Comment
  CHSC69695  Pellaea brachyptera Vernon Oswald; Lowell Ahart 1997-9-18 8873 Plumas Ca. 4 air mi west of Caribow on Forest Rd. 26N25 (to Mosquito Creek), 2.3 mi northeast of its junction with 26N26 (to Humbug Valley). 1383 Comment
  CHSC69696  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1997-9-18 8883 Plumas Forest Road 26N36 at its intersection with 26N74, ca. 1 mi west of the south end of Butt Valley Reservoir. 1396 Comment
  CHSC69697  Symphyotrichum chilense Vernon H. Oswald; Lowell Ahart 1997-9-18 8879 Plumas Ca. 4 air mi west-northwest of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 3.6 mi south of its junction with 26N49 (to Humbug Valley). 1170 Comment
  CHSC69698  Brickellia californica Vernon H. Oswald; Lowell Ahart 1997-8-19 8870 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. 627 Comment
  CHSC69699  Cirsium occidentale var. candidissimum Vernon H. Oswald; Lowell Ahart 1997-9-18 8874 Plumas Ca. 4 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 2.3 mi northeast of its junction with 26N26 (to Humbug Valley). Roadside. 1383 Comment
  CHSC69700  Ericameria bloomeri Vernon Oswald; Lowell Ahart 1997-9-18 8876 Plumas Ca. 4.25 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 2.8 mi northeast of its junction with 26N26 (to Humbug Valley). Roadside. 1411 Comment
  CHSC69701  Erigeron petrophilus var. sierrensis Vernon Oswald; Lowell Ahart 1997-9-18 8878 Plumas Ca. 4.25 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 3.6 mi northest of its junction with 26N26 (to Humbug Valley). 1335 Comment
  CHSC69702  Heterotheca oregona var. rudis Vernon Oswald; Lowell Ahart 1997-9-18 8871 Plumas Hwy. 70 between Tobin and Belden, 10.7 mi north of the Butte-Plumas county line. On the bank of the North Fork Feather River. 627 Comment
  CHSC69703  Solidago velutina subsp. californica Vernon Oswald; Lowell Ahart 1997-9-18 8880 Plumas Forest Road 26N25 at Soda Ravine, ca. 4.5 mi west of Butte Valley Reservoir. On the bed of a drainage crossing the road. 1249 Comment
  CHSC69704  Pycnanthemum californicum Vernon Oswald; Lowell Ahart 1997-9-18 8881 Plumas Forest Road 26N25 at Soda Ravine, ca. 4.5 mi west of Butte Valley Reservoir. 1249 Comment
  CHSC69705  Eriogonum umbellatum var. polyanthum Vernon Oswald; Lowell Ahart 1997-9-18 8875 Plumas Ca. 4.25 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 2.6 mi northeast of its junction with 26N26 (to Humbug Valley). 1411 Comment
  CHSC69706  Galium bolanderi Vernon Oswald; Lowell Ahart 1997-9-18 8877 Plumas Ca. 4.25 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 2.8 mi northeast of its junction with 26N26 (to Humbug Valley). 1411 Comment
  CHSC69707  Arrhenatherum elatius Vernon Oswald; Lowell Ahart 1997-9-18 8882 Plumas Forest Road 26N25 at Soda Ravine, ca. 4.5 mi west of Butte Valley Reservoir. 1249 Comment
  CHSC69708  Leersia oryzoides Vernon Oswald; Lowell Ahart 1997-9-18 8872 Plumas Forest Rd. 26N26 (to Humbug Valley) 3.6 mi west of its junction with Caribou Rd. 938 Comment
  CHSC71387  Euphorbia crenulata Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1998-7-11 9255 Plumas Humbug Rd. 0.1 mi south of the split in Humboldt-Humbug Rd. located ca. 0.75 mi south of Hwy. 89 at Lake Almanor. 1414 Comment
  CHSC71391  Sclerolinon digynum Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1998-7-11 9254 Plumas Rest Area on Hwy. 89 between Hwy. 36 and Prattville on the south side of Lake Almanor. In a meadow. 1389 Comment
  CHSC71392  Clarkia stellata Vernon H. Oswald 1998-7-13 9265 Plumas Humbug Rd. 0.1 mi south of the split in Humboldt-Humbug Rd. ca. 0.75 mi south of Hwy. 89 at Lake Almanor. 1414 Comment
  CHSC71628  Osmorhiza occidentalis Vernon H. Oswald; Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Porte Rd. (County Rd. 511) at the South Fork Feather River west of Pilot Peak. 1920 Comment
  CHSC71630  Artemisia arbuscula subsp. arbuscula Vernon H. Oswald; Lowell Ahart 1998-8-11 9488 Plumas Northwest of Onion Valley at Monitor Flat on Cleghorn Bar Rd. 2.5 mi west of Quincy-La Porte Rd. (County Rd. 511). 1905 Comment
  CHSC71631  Erigeron lassenianus var. deficiens Vernon H. Oswald; Lowell Ahart 1998-8-11 9487 Plumas Northwest of Onion Valley at Sawpit Flat on Cleghorn Bar Rd. 1.5 mi west of Quincy-La Porte Rd. (County Rd. 511). 1920 Comment
  CHSC71632  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1998-8-11 9490 Plumas Slope on the south side of Onion Valley on the Quincy-La Porte Rd. (County Rd. 511) northwest of Pilot Peak. 1920 Comment
  CHSC71633  Packera streptanthifolia Vernon H. Oswald; Lowell Ahart 1998-8-11 9491 Plumas Slope on the south side of Onion Valley on the Quincy-La Porte Rd. (County Rd. 511) northwest of Pilot Peak. 1920 Comment
  CHSC71635  Silene occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1998-8-11 9481 Plumas West of Bucks Lake near Little Grizzly Creek paralleling the south edge of Oroville-Quincy hwy 3.2 mi west of Grizzly Creek Campground. 1645 Comment
  CHSC71640  Trifolium productum Vernon H. Oswald; Lowell Ahart 1998-8-11 9476 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  CHSC71643  Sidalcea glaucescens Vernon H. Oswald; Lowell Ahart 1998-9-11 9475 Plumas USFS 23N85Y 0.6 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  CHSC71645  Sidalcea gigantea Vernon H. Oswald 1998-8-11 9482 Plumas West of Bucks Lake near Little Grizzly Creek paralleling the south edge of Oroville-Quincy Hwy 3.2 mi west of Grizzly Creek Campground. 1645 Comment
  CHSC71647  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1998-8-11 9484 Plumas West of Bucks Lake on USFS 24N36, 0.1 mi east of Oroville-Quincy Hwy. Near Grizzly Creek. 1566 Comment
  CHSC71648  Navarretia leptalea subsp. leptalea Vernon H. Oswald; Lowell Ahart 1998-8-11 9477 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. Roadside. 1737 Comment
  CHSC71649  Lewisia kelloggii subsp. hutchisonii Vernon H. Oswald; J. Chris Pires 1998-8-8 9460 Plumas USFS 22N84X on the north side of Onion Valley at its junction with 22N43Y 0.8 mi east of La Porte-Quincy Rd., ca. 1 mi north of Pilot Peak. On the south edge of the road. 2057 Comment
  CHSC71650  Eriogonum umbellatum var. polyanthum Vernon H. Oswald; Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Hwy. west of Meadow Valley, 0.1 mi west of Silver Lake Rd. 1158 Comment
  CHSC71651  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1998-8-11 9485 Plumas West of Bucks Lake on USFS 24N36 0.1 mi east of Oroville-Quincy Hwy. In meadow along Grizzly Creek. 1566 Comment
  CHSC71654  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald; Lowell Ahart 1998-8-11 9489 Plumas Northwest of Onion Valley at Monitor Flat on Cleghorn Bar Rd. 2.5 mi west of Quincy-La Porte Rd. (County Rd. 511). 1905 Comment
  CHSC71657  Carex scabriuscula Vernon H. Oswald; Lowell Ahart 1998-8-11 9478 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  CHSC71662  Lilium pardalinum subsp. shastense Vernon H. Oswald; Lowell Ahart 1998-8-11 9479 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  CHSC71664  Triteleia hyacinthina Vernon H. Oswald; Lowell Ahart 1998-8-11 9480 Plumas USFS 23N85Y 0.8 mi east of Oroville-Quincy Hwy., 6.2 mi northeast of Four Trees, on the south side of Frenchman Hill. 1737 Comment
  CHSC71665  Triteleia ixioides subsp. anilina Vernon Oswald; Lowell Ahart 1998-8-11 9492 Plumas South side of Onion Valley on the Quincy-La Porte Rd. (County Rd. 511) north-west of Pilot Peak. 1905 Comment
  CHSC71666  Triteleia montana Vernon H. Oswald; J. Chris Pires 1998-8-8 9459 Plumas USFS 22N84X on the north side of Onion Valley at its junction with 22N43Y 0.8 mi east of LaPorte-Quincy Rd., ca. 1 mi north of Pilot Peak. 2057 Comment
  CHSC72257  Ericameria bloomeri Vernon H. Oswald; Beth Corbin, Kim Earll 1998-9-22 9654 Plumas Along the east side of Yellow Creek south of the PG and E campground in Humbug Valley and ca. 0.5 mi north of Middle Camp. 1298 Comment
  CHSC72259  Monardella follettii Vernon H. Oswald; Beth Corbin, Kim Earll 1998-9-22 9653 Plumas Along the east side of Yellow Creek south of the PG and E campground in Humbug Valley and ca. 0.5 mi north of Middle Camp. 1298 Comment
  CHSC75378  Ribes cereum var. cereum Vernon H. Oswald 1999-5-26 9728 Plumas E side of the arm of Lake Almanor extending N from the Hwy.36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. 1371 Comment
  CHSC75401  Fragaria virginiana Vernon H. Oswald 1999-5-26 9729 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. On forest floor between the road and a meadow. 1371 Comment
  CHSC75415  Camassia quamash subsp. breviflora Vernon H. Oswald 1999-5-26 9730 Plumas Rest Area on Hwy. 89 between Hwy. 36 and Prattville on the south side of Lake Almanor. 1389 Comment
  CHSC78383  Astragalus bolanderi Vernon H. Oswald 2000-7-19 9941 Plumas Between Four Trees and Bucks Lake 0.6 mi east of the Oroville-Quincy Hwy. on Forest Road 23N85Y, southwest of Frenchman Hill. 1752 Comment
  CHSC78394  Collinsia torreyi var. torreyi Vernon H. Oswald 2000-6-23 9931 Plumas La Porte Rd. 2.6 mi north of La Porte at the junction with the road to the South Fork Campgrounds at Little Grass Valley Reservoir. 1563 Comment
  CHSC78402  Lilium pardalinum subsp. pardalinum Vernon H. Oswald 2000-6-9 9927 Plumas Caribou Road 1.6 mi north of Hwy. 70. 743 Comment
  CHSC78476  Artemisia tridentata subsp. vaseyana Vernon H. Oswald 2000-7-31 9944 Plumas Forest Road 28N15 on Diamond Mountain at the pond draining into Indian Creek. 2084 Comment
  CHSC78480  Leucothoe davisiae Vernon H. Oswald 2000-7-29 9942 Plumas Forest Road 22N84X 1.4 mi east of La Porte-Quincy Hwy., ca. 0.25 mi (air) east-northeast of Pilot Peak. 2087 Comment
  CHSC78484  Erythranthe lewisii Vernon H. Oswald 2000-7-29 9943 Plumas Forest Road 22N84X 1.4 mi east of La Porte-Quincy Hwy., ca. 0.25 mi (air) east-northeast of Pilot Peak. 2087 Comment
  CHSC7970  Asarum lemmonii Vernon Oswald 1985-5-26 1778 Plumas South loop of road between Hwy 70 and Butterfly Valley at Big Blackhawk Creek. Comment
  CHSC81004  Grindelia nana Vernon H. Oswald 2001-8-13 10053 Plumas Hwy 36 at the Chester Airport. 1383 Comment
  CHSC81007  Betula pumila var. glandulifera Vernon H. Oswald; Beth Corbin, Kim Earll 2001-6-23 10049 Plumas Humbug Creek west of the Soda Spring in Humbug Valley. 1325 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
  HSC93211  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald, L. Ahart 1996-7-15 8038 Plumas Last Chance Marsh at the N end of Lake Almanor. 1.4 miles S of Last Chance Campground E from Rd. 29N11. 1372 Comment
  HSC93235  Solidago elongata Vernon H. Oswald, L. Ahart 1996-8-14 8177 Plumas Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi. E of White Horse Campground 1616 Comment
  HSC93236  Horkelia fusca var. parviflora Vernon H. Oswald, L. Ahart 1996-8-14 8181 Plumas Between Bucks Summit and Bucks Lake on the Oroville-Quincy Hwy., 0.6 mi. E of White Horse Campground 1616 Comment
  HSC93238  Luzula parviflora Vernon H. Oswald, L. Ahart 1996-8-14 8168 Plumas Silver Lake Rd., 1.9 mi. SE of Silver Lake Campground, NE of Bucks Lake 1646 Comment
  HSC93321  Stephanomeria tenuifolia Vernon H. Oswald, L. Ahart 1996-7-15 8046 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from FS Rd. 29N11 1372 Comment
  HSC93322  Acmispon nevadensis var. nevadensis Vernon H. Oswald, L. Ahart 1996-7-15 8032 Plumas Last Chance Marsh at the N end of Lake Almanor. 1.4 miles S of Last Chance Campground E from Rd. 29N11. 1372 Comment
  HSC93348  Alnus incana subsp. tenuifolia Vernon H. Oswald, L. Ahart 1996-7-15 8043 Plumas E side of Last Chance Marsh at N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from the FS Rd. 29N11 1372 Comment
  HSC93421  Anthoxanthum odoratum Vernon H. Oswald, L. Ahart 1996-7-15 8052 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on FS 28N11 1372 Comment
  HSC93429  Keckiella lemmonii Vernon H. Oswald, L. Ahart 1996-8-14 8164 Plumas Silver Lake Rd., 0.5 mi. SE of Silver Lake Campground, NE of Bucks Lake, N High Sierra Nevada 1707 Comment
  HSC93436  Ericameria nauseosa var. oreophila Vernon H. Oswald, L. Ahart 1996-8-14 8157 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi. (air) NW of Meadow Valley ( on the Oroville-Quincy Hwy.) 1128 Comment
  JEPS83783  Rhynchospora alba V. Oswald and L. Ahart 1988-8-4 3670 Plumas se Drakesbad (just s of border of Lassen Volcanic National Park, s side of lake); Willow Lake 1676 Comment
  JEPS84391  Drosera rotundifolia V. Oswald and W. Dempsey 1989-8-3 3914 b Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  JEPS84392  Drosera X obovata V. Oswald and W. Dempsey 1989-8-3 3914 c Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  JEPS84393  Drosera anglica V. Oswald and W. Dempsey 1989-8-3 3914 a Plumas se Drakesbad (just s of voundary of Lassen Volcanic National Park); Willow Lake 1676 Comment
  JEPS84394  Drosera rotundifolia V. Oswald and W. Dempsey 1989-8-24 3967 Plumas ca 13 air mi s Chester; Humbug Valley, Big Springs 1316 Comment
  JEPS84395  Drosera X obovata V. Oswald and W. Dempsey 1989-8-24 3968 Plumas ca 13 air mi s Chester; Humbug Valley, Big Springs 1316 Comment
  JEPS84396  Drosera X obovata V. Oswald and W. Dempsey 1989-8-24 3968 Plumas ca 13 air mi s Chester; Humbug Valley, Big Springs 1316 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
  JEPS87168  Dulichium arundinaceum Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5037 Plumas 5 air mi ssw of Graeagle ((via Gold Lake Forest Hwy, County Rd 519, just w of Lakes Basin Campground, Grass Lake); Grass Lake 1926 Comment
  JEPS87169  Carex lasiocarpa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5033 Plumas ca. 5 mi (air) ssw Graeagle (via Gold Lake Forest Hwy. (County Rd. 519), just w of Lakes Basin Campground); Grass Lake 1926 Comment
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Jun 9 2011
  JEPS87189  Epilobium luteum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd 23N10 between junction of 22N19 and Hopkins Creek (ca 2.25 air mi ese of Pilot Pk., ca 9 air mi ne of La Porte) 1706 Comment
  JEPS87377  Menyanthes trifoliata Vernon H. Oswald and Lowell Ahart 1993-8-3 5759 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of the Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  JEPS87451  Scirpus subterminalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5766 Plumas unnamed lake ca 0.25 mi e Hay Meadow (w. side of the lake, on s edge Caribou Wilderness near the n end of 30N25 ca 9 mi (air) n of Lake Almanor); s edge Caribou Wilderness, e of Hay Meadow, n Lake Almanor 1926 Comment
  JEPS87464  Potamogeton natans Vernon H. Oswald and Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake 0.5 mi s of Willow Lake (1 mi s of Lassen Volcanic National Park); Domingo Lake 1767 Comment
  JEPS87465  Sparganium angustifolium Vernon H. Oswald and Lowell Ahart 1993-8-25 5854 Plumas ca 1 mi ese Spencer Meadow (ca 0.6 mi s of Lassen Peak, Ridge Lake, especially the se arm of the lake); Ridge Lake 1978 Comment
  JEPS87489  Pedicularis attollens Vernon H. Oswald and Lowell Ahart 1993-8-3 5765 Plumas along n side of Unnamed lake 0.25 mi e of Hay Meadow (on the s edge of Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor); Caribou Wilderness 1926 Comment
  JEPS87495  Brasenia schreberi Vernon H. Oswald and Lowell Ahart 1993-8-11 5782 Plumas ca. 0.5 mi s Willow Lake (ca 1 mi s of Lassen Volcanic National Park, Domingo Lake); Domingo Lake, s of Lassen Volcanic National Park 1767 Comment
  JEPS87511  Carex lasiocarpa Vernon H. Oswald and Lowell Ahart 1993-8-3 5758 Plumas ca. 9 mi (air) n Lake Almanor (in the se corner of the meadow at the n end of 30N25 on the s edge of the Caribou Wilderness,); Caribou Wilderness, Hay Meadow 1950 Comment
  JEPS88078  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald and Lowell Ahart 1996-8-14 8156 Plumas road paralleling creek near Greens Flat (ca 2 air mi nw of Meadow Valley (on the Oroville-Quincy Hwy), along creek); northern High Sierra Nevada, Spanish Creek 1127 Comment
  JEPS88080  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1996-8-14 8155 Plumas road paralleling creek near Greens Flat (ca. 2 air mi nw of Meadow Valley (on the Oroville-Quincy Hwy)); northern High Sierra Nevada, Spanish Creek 1127 Comment
  JEPS88081  Malacothrix floccifera Vernon H. Oswald and Lowell Ahart 1996-8-14 8158 Plumas road paralleling creek ca. 2 air mi nw Meadow Valley (on the Oroville-Quincy Hwy.) (near Greens Flat, in hydraulic mine tailings along road); northern High Sierra Nevada, Spanish Creek 1127 Comment
  JEPS88173  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald and Lowell Ahart 1996-8-14 8149 Plumas on the La Porte-Quincy Rd. 0.9 mi n road to Johnsville ((0.9 mi n of the Sierra Co. 2 mi post), ne of La Porte); northern High Sierra Nevada 1889 Comment
  JEPS88174  Solidago elongata Vernon H. Oswald and Lowell Ahart 1996-8-14 8177 Plumas on Oroville-Quincy Hwy between Bucks Summit and Bucks Lake (0.6 mi e of White Horse Campground); northern High Sierra Nevada 1615 Comment
  JEPS88178  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-8-14 8172 Plumas on Oroville-Quincy Hwy 3.6 mi sw Silver Lake Rd. (between Meadow Valley and Bucks Lake, 1.8 mi ne of White Horse Campground, near Bucks Summit); northern High Sierra Nevada 1676 Comment
  JEPS88179  Boykinia major Vernon H. Oswald and Lowell Ahart 1996-8-14 8165 Plumas 1.9 mi se of Silver Lake Campground (ne of Bucks Lake, Northern High Sierra Nevada, Silver Lake Road); Northern High Sierra Nevada, Silver Lake Road 1645 Comment
  JEPS88180  Luzula divaricata Vernon H. Oswald and Lowell Ahart 1996-8-14 8168 Plumas Silver Lake Rd. 1.9 mi se Silver Lake Campground (ne of Bucks Lake); northern High Sierra Nevada 1645 Comment
  JEPS88181  Erigeron inornatus var. inornatus Vernon H. Oswald and Lowell Ahart 1996-8-14 8163 Plumas Silver Lake Rd. 0.5 mi se Silver Lake Campground (ne of Bucks Lake); northern High Sierra Nevada 1706 Comment
  JEPS88186  Lupinus lepidus var. sellulus Vernon H. Oswald and Lowell Ahart 1996-8-14 8179 Plumas 0.6 mi e of White Horse Campground (between Bucks Summit and Bucks Lake on the Oroville-Quicny Hwy, northern High Sierra Nevada); northern High Sierra Nevada 1615 Comment
  JEPS88362  Sericocarpus oregonensis subsp. californicus Vernon H. Oswald and Lowell Ahart 1996-8-14 8162 Plumas Silver Lake Rd. 0.5 mi se Silver Lake Campground (ne of Nucks Lake); northern High Sierra Nevada 1706 Comment
  JEPS88363  Goodyera oblongifolia Vernon H. Oswald and Lowell Ahart 1996-8-14 8169 Plumas 1.9 mi se of Silver Lake Campground (ne of Bucks Lake, Silver Lake Road, northern High Sierra Nevada); High Sierra Nevada, Silver Lake Road 1645 Comment
  JEPS88391  Spiraea douglasii Vernon H. Oswald and Lowell Ahart 1996-7-15 8025 Plumas e side of arm of Lake Almanor extending n from the Highway 36 causeway, s of tthe point where road to Last Chance Campground (28N11) begins to parallel lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  JEPS88396  Clarkia rhomboidea Vernon H. Oswald and Lowell Ahart 1996-7-15 8019 Plumas e side of arm extending n from Hwy. 36 causeway Lake Almanor (s of point where rd to Last Chance Campground (28N11) begins to parallel lake, along Jeep rd parallel to lake); High Cascade Range, Lake Almanor 1371 Comment
  JEPS88397  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1996-7-15 8016 Plumas e side of the arm of Lake Almanor (extending n from Hwy 36 causeway, s of the point where the road to Last Chance Campground (28N11) begins to parallel lake); , High Cascade Range 1371 Comment
  JEPS88398  Stachys ajugoides var. rigida Vernon H. Oswald and Lowell Ahart 1996-7-15 8024 Plumas e side of arm extending n from the Hwy 36 causeway Lake Almanor (s of the point where rd. to Last Chance Campground (28N11) begins to parallel the lake, along Jeep trail ...); High Cascade Range, Lake Almanor 1371 Comment
  JEPS88399  Artemisia douglasiana Vernon H. Oswald and Lowell Ahart 1996-7-15 8022 Plumas Lake Almanor High Cascade Range (e side of arm of Lake extending n from the Hwy 36 causeway, s of point where the road to Last Chance Campground (28N11) begins to parallel lake) 1371 Comment
  JEPS88400  Helianthella californica subsp. nevadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8027 Plumas Lake Almanor High Cascade Range (e side of arm of lake extending n from the Hwy 36 causeway, s of point where the road to Last Chance Campground (28N11) begins to parallel lake) 1371 Comment
  JEPS88406  Juncus dudleyi Vernon H. Oswald and Lowell Ahart 1996-8-1 8143 .1 Plumas Forest Rd. 27N16 at creek Dyer Mtn., Second Water Trough Creek (s slope of mt., ca 1.25 mi nw of Hauns Mdw. ca 2 mi se Dyer Mt. Lookout, n of Hwy 89, e of Lake Almanor, nw of Greenville) Comment
  JEPS88422  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-8-1 8144 Plumas Forest Rd. 27N16 ca. 1.25 mi nw Hauns Mdw. (s side of mt., ca. 2 mi se of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor, nw of Greenville); Dyer Mtn., Second Water Trough Creek 1706 Comment
  JEPS88434  Solidago elongata Vernon H. Oswald and Lowell Ahart 1996-8-1 8135 Plumas Old Haun Rd. (Forest Rt. 201) ca. 0.9 mi w Hauns Mdw. (s slope of mt., sse of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor, nw of Greenville); Dyer Mtn. 1463 Comment
  JEPS88487  Lotus purshianus var. purshianus Vernon H. Oswald and Lowell Ahart 1996-7-15 8030 Plumas E side of arm of lake extending N from Hwy 36 causeway, S of point where road to Last Chance Campground (28N11) begins to parallel lake Lake Almanor; High Cascade Range 1371 Comment
  JEPS88488  Lactuca canadensis Vernon H. Oswald and Lowell Ahart 1996-8-1 8136 Plumas Old Haun Rd. (Forest Rt. 201) ca. 0.9 mi w Hauns Mdw. (s slope of mt., at wet meadowy drainage, sse of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor); Dyer Mtn. 1463 Comment
  JEPS88489  Castilleja miniata subsp. miniata Vernon H. Oswald and Lowell Ahart 1996-8-1 8141 Plumas ca 1.5 mi nw Hauns Mdw. (Forest Rd 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); Dyer Mtn. 1706 Comment
  JEPS88490  Arnica chamissonis Vernon H. Oswald and Lowell Ahart 1996-7-15 8033 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (n end of lake, at streams and marshy meadow extending e from Rd. 29N11); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS88491  Elymus trachycaulus subsp. trachycaulus Vernon H. Oswald and Lowell Ahart 1996-7-15 8038 Plumas 1.4 mi s of Last Chance Campground (at meadow extending e from road 29N11, e side of Last Chance Marsh, at the n end of Lake Almanor, High Cascade Range); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  JEPS88492  Sphenosciadium capitellatum Vernon H. Oswald and Lowell Ahart 1996-8-1 8139 Plumas ca 1.5 mi nw Hauns Meadow (Forest Road 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); s slope Dyer Mtn., branch of Second Water Trough Creek 1706 Comment
  JEPS88493  Platanthera leucostachys Vernon H. Oswald and Lowell Ahart 1996-8-1 8138 Plumas Forest Road 27N16 ca 1.5 mi nw Hauns Mdw. (s slope of mt., uphill side of road, ca 1.5 mi se of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor, nw of Greenville); Dyer Mtn., Second Water Trough Creek 1706 Comment
  JEPS88495  Oenothera elata subsp. hirsutissima Vernon H. Oswald and Lowell Ahart 1996-8-1 8134 Plumas e. Lake Almanor (n.w. of Greenville, n. of Hwy. 89, Old Haun Rd. (Forest Rt. 201) on s. slope of Dyer Mt., ca. 0.9 mi. w. of Hauns Meadow, s.-s.e. of Dyer Mt. Lookout); Dyer Mt. 1463 Comment
  JEPS88517  Sagina saginoides Vernon H. Oswald and Lowell Ahart 1996-7-15 8012 Plumas e. side of arm of, extending n. from Hwy. 36 causeway Lake Almanor (s. of point where rd. to Last Chance Campground (28N11) begins to parallel the lake); High Cascade Range 1371 Comment
  JEPS88518  Alnus incana subsp. tenuifolia Vernon H. Oswald and Lowell Ahart 1996-7-15 8043 Plumas e end of marsh ca 1.4 mi s Last Chance Campground (n end of lake, at streams and marshy meadow extending e from road 29N11); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS88519  Elodea canadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8047 Plumas 1.4 mi s of Last Chance Camnpground (extending e from road 29N11, e side of Last Chance Marsh at n end of Lake Almanor, on e side of road to campground, High Cascade Range); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  JEPS88520  Arabis glabra Vernon H. Oswald and Lowell Ahart 1996-7-15 8029 Plumas e side of arm extending n from the Hwy 36 causeway, s of the point where the road to Last Chance Campground (28N11) begins to parallel lake Lake Almanor; High Cascade Range 1371 Comment
  JEPS88530  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8035 Plumas e. side of Last Chance Marsh at n. end of Lake Almanor (ca. 1.4 mi. s. of Last Chance Campground at streams & marshy meadow extending e. from rd. 29N11); High Cascade Range 1371 Comment
  JEPS88532  Eriophorum gracile Vernon H. Oswald and Lowell Ahart 1996-7-15 8049 Plumas at n. end of Lake Almanor (Last Chance Marsh, just s. of Last Chance Campground on Forest Rd. 28N11); High Cascade Range, Last Chance Marsh 1371 Comment
  JEPS88533  Matricaria discoidea Vernon H. Oswald and Lowell Ahart 1996-7-15 8014 Plumas Lake Almanor High Cascade Range (e side of arm of lake extending n from the Hwy 36 causeway, s of point where the road to Last Chance Campground (28N11) begins to parallel lake) 1371 Comment
  JEPS88534  Plagiobothrys mollis var. mollis Vernon H. Oswald and Lowell Ahart 1996-7-15 8010 Plumas s. side of w. end of Hwy. 36 causeway crossing Lake Almanor e. of Chester; High Cascade Range 1371 Comment
  JEPS88535  Trifolium wormskioldii Vernon H. Oswald and Lowell Ahart 1996-7-15 8028 Plumas E side of the arm of Lake Almanor extending N from Hwy 36 causeway, S of the point where the road(28N11) to Last Chance Campground begins to parallel the lake High Cascade Range 1371 Comment
  JEPS88544  Pycnanthemum californicum Vernon H. Oswald and Lowell Ahart 1996-8-1 8132 Plumas n.w. Greenville (Old Haun Rd. (Forest Rd. 201) on s. slope of Dyer Mt. at Second Water Trough Creek, ca. 0.5 mi. w. of Hauns Meadow, s.e. of Dyer Mt. Lookout, n. of Hwy...); e. of Lake Almanor, Dyer Mt. 1432 Comment
  JEPS88550  Hypericum formosum var. scouleri Vernon H. Oswald and Lowell Ahart 1996-7-15 8042 Plumas ca. 1.4 mi. s. of Last Chance Campground (e. side of Last Chance Marsh at n. end of Lake Almanor, extending e. from rd. 29N11); High Cascade Range 1371 Comment
  JEPS88556  Symphoricarpos mollis Vernon H. Oswald and Lowell Ahart 1996-7-15 8018 Plumas e side of the arm extending n from Hwy 36 causeway Lake Almanor (s of the point where the road to Last Chance Campground (28N11) begins to parallel the lake, bank of lake); High Cascade Range 1371 Comment
  JEPS88577  Stephanomeria tenuifolia Vernon H. Oswald and Lowell Ahart 1996-7-15 8046 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (at streams and marshy meadow extending e from road 29N11, at junction of road to campground and spur road to n side of meadow); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS88578  Lotus nevadensis var. nevadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8032 Plumas N end of Lake Almanor (at E side of Last Chance Marsh, 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11); High Cascade Range 1371 Comment
  JEPS88580  Urtica dioica subsp. holosericea Vernon H. Oswald and Lowell Ahart 1996-7-15 8015 Plumas e side of the arm of Lake Almanor extending n from Hwy 36 causeway, s of road to Last Chance Campground (28N11) begins to parallel Lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  JEPS93794  Sclerolinon digynum Vernon H. Oswald, Beth Corbin and Gary Schoolcraft 1998-6-11 9254 Plumas Rest Area on Highway 36 and Prattville (on s side of Lake Almanor); Lake Almanor 1389 Comment
  JEPS93930  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald and Lowell Ahart 1998-8-11 9489 Plumas nw of Onion Valley at Monitor Flat on Cleghorn Bar Road 2.5 mi w of Quincy-La Porte Road (County Road 511) Monitor Flat; , Cleghorn Bar Road 1905 Comment
  JEPS93931  Artemisia arbuscula subsp. arbuscula Vernon H. Oswald and Lowell Ahart 1998-8-11 9488 Plumas nw of Onion Valley at Monitor Flat on Cleghorn Bar Road 2.5 mi w of Quincy-La Porte Road (County Road 511) Monitor Flat; , Cleghorn Bar Road 1905 Comment
  JEPS93932  Erigeron lassenianus var. deficiens Vernon H. Oswald and Lowell Ahart 1998-8-11 9487 Plumas nw of Onion Valley (at Sawpit Flat on Cleghorn Bar Road 1.5 mi w of Quincy-La Porte Road (County Road 511)); Sawpit Flat on Cleghorn Bar Road 1920 Comment
  JEPS93933  Silene occidentalis subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-11 9481 Plumas 3.2 mi w of Grizzly Creek Campground (w of Bucks Lake near Little Grizzly Creek parralleling the s edge of Oroville-Quincy Highway) 1645 Comment
  JEPS93934  Carex gigas Vernon H. Oswald and Lowell Ahart 1998-8-11 9478 Plumas 6.2 mi ne of Four Trees (on the s side of Frenchman Hill, USFS 23N85Y 0.8 mi e of Orovile-Quincy Highway); Frenchman Hill, USFS 23N85Y 1737 Comment
  JEPS93935  Triteleia hyacinthina Vernon H. Oswald and Lowell Ahart 1998-8-11 9480 Plumas 6.2 mi ne of Four Trees (on the s side of Frenchman Hill, USFS 23N85Y 0.8 mi e of Orovile-Quincy Highway); Frenchman Hill, USFS 23N85Y 1737 Comment
  JEPS93944  Eriophyllum lanatum var. integrifolium Vernon H. Oswald and Lowell Ahart 1998-8-11 9490 Plumas nw of Pilot Peak (on the s side of Onion Valley on the Quincy-La Porte Road (County Road 511)); Onion Valley, Quincy-La Porte Road 1920 Comment
  JEPS93945  Triteleia ixioides subsp. anilina Vernon H. Oswald and Lowell Ahart 1998-8-11 9492 Plumas nw of Pilot Peak (s side of Onion Valley on the Quincy-La Porte Road (County Road 511)); Onion Valley, Quincy-La Porte Road 1905 Comment
  JEPS93946  Osmorhiza occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Port Road (County Road 511) at the South Fork Feather River w of Pilot Peak; South Fork Feather River, Quincy-La Port Road 1920 Comment
  JEPS93947  Spiraea douglasii Vernon H. Oswald and Lowell Ahart 1998-8-11 9485 Plumas w of Bucks Lake (on USFS 24N36 0.1 mi e of Oroville-Quincy Highway, along Grizzly Creek); Grizzly Creek, USFS 24N36 1566 Comment
  JEPS94500  Eriogonum umbellatum var. polyanthum Vernon Oswald and Lowell Ahart 1997-9-18 8875 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.6 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1411 Comment
  JEPS94510  Pycnanthemum californicum Vernon Oswald and Lowell Ahart 1997-9-18 8881 Plumas 4.5 mi w of Butte Valley Reservoir (Forest Road 26N25 at Soda Ravine); Soda Ravine, Forest Road 26N25 1249 Comment
  JEPS94511  Arnica discoidea Vernon Oswald and Lowell Ahart 1997-9-18 8883 Plumas ca. 1 mi w of the s end of Butt Valley Reservoir (Forest Road 26N36 at its intersection with 26N74); Forest Road 26N36 1396 Comment
  JEPS94512  Brickellia californica Vernon Oswald and Lowell Ahart 1997-9-18 8870 Plumas 10.7 mi n of the Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  JEPS94544  Penstemon rydbergii var. oreocharis Vernon Oswald and Lowell Ahart 1997-6-24 8628 Plumas s of Susanville (on Diamond Mountain Motorway (28N15) at the meadow at Wheeler Sheep Campground); Wheeler Sheep Campground, Diamond Mountain Motorway 1993 Comment
  JEPS94545  Castilleja tenuis Vernon Oswald and Lowell Ahart 1997-6-24 8626 Plumas s of Susanville (on Diamond Mountain Motorway (28N15) at the meadow at Wheeler Sheep Campground); Wheeler Sheep Campground, Diamond Mountain Motorway 1993 Comment
  JEPS94564  Senecio hydrophiloides Vernon H. Oswald and Lowell Ahart 1997-6-24 8625 Plumas on Diamond Mtn. Motorway (28N15) s Susanville (at the meadow at Wheeler Sheep Campground) 1993 Comment
  JEPS94589 Image available Sagittaria rigida Vernon Oswald 1997-8-1 8809 B Plumas Last Chance Marsh Lake Almanor (e side, where the road to Last Chance Campground (28N11) first approaches and then follows the shore of the marsh, n end of Lake) 1371 Comment
  JEPS94641  Senecio streptanthifolius Vernon H. Oswald and Lowell Ahart 1998-8-11 9491 Plumas on Quincy-La Porte Rd. (County Rd. 511) nw Pilot Peak (slope on s side of Valley); Onion Valley 1920 Comment
  JEPS94852  Senecio streptanthifolius Vernon H. Oswald and Lowell Ahart 1998-8-11 9491 Plumas on Quincy-La Porte Rd. (County Rd. 511) nw of Pilot Peak (slope on s side of Onion Valley); Onion Valley 1920 Comment
  JEPS94854  Navarretia leptalea subsp. leptalea Vernon H. Oswald and Lowell Ahart 1998-8-11 9477 Plumas 6.2 mi ne of Four Trees (on s side of Frenchman Hill, USFS 23N85Y 0.8 mi e of Oroville-Quincy Highway); Frenchman Hill 1737 Comment
  JEPS94855  Eriogonum umbellatum var. polyanthum Vernon H. Oswald and Lowell Ahart 1998-8-11 9486 Plumas Oroville-Quincy Highway w of Meadow Valley (0.1 mi w of Silver Lake Road); Oroville-Quincy Highway 1158 Comment
  JEPS94914  Pellaea brachyptera Vernon Oswald and Lowell Ahart 1997-9-18 8873 Plumas on Forest Rd. 26N25 (to Mosquito Creek) 2.3 mi ne junction with 26N26 (to Humbug Valley) (ca. 4 air mi w of Caribou) 1383 Comment
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Nov 25 2017
  JEPS94990  Symphyotrichum spathulatum Vernon Oswald and Lowell Ahart 1997-9-18 8879 Plumas 4 air mi wnw of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.3 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 Comment
  JEPS95004  Arrhenatherum elatius Vernon Oswald and Lowell Ahart 1997-9-18 8882 Plumas 4.5 mi w of Butte Valley Reservoir (Forest Road 26N25 at Soda Ravine); Forest Road 26N25 at Soda Ravine 1249 Comment
  JEPS95010  Erigeron petrophilus var. sierrensis Vernon Oswald and Lowell Ahart 1997-9-18 8878 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 3.6 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 to Mosquito Creek 1335 Comment
  JEPS95016  Orthocarpus cuspidatus subsp. cryptanthus Vernon Oswald and Lowell Ahart 1997-6-24 8627 Plumas s. Susanville (on Diamond Mt. Motorway (28N15) at meadow at Wheeler Sheep Campground, on gravelly slope leading down from the rd. to the meadow); Wheeler Sheep Campground 1993 Comment
  JEPS95037  Ericameria bloomeri Vernon Oswald and Lowell Ahart 1997-9-18 8876 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.8 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 to Mosquito Creek 1411 Comment
  JEPS95041  Solidago velutina subsp. californica Vernon Oswald and Lowell Ahart 1997-9-18 8880 Plumas 4.5 mi w of Butte Valley Reservoir (Forest Road 26N25 at Soda Ravine); Forest Road 26N25 at Soda Ravine 1249 Comment
  JEPS95065  Heterotheca oregona var. rudis Vernon Oswald and Lowell Ahart 1997-9-18 8871 Plumas 10.7 mi n of Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of the North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  JEPS95067  Galium bolanderi Vernon Oswald and Lowell Ahart 1997-9-18 8877 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.8 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1411 Comment
  JEPS95069  Cirsium occidentale var. candidissimum Vernon Oswald and Lowell Ahart 1997-9-18 8874 Plumas 4 air mi w of Caribou on Forest Road 26N25 to Mosquito Creek (2.3 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1383 Comment
  JEPS95122  Cirsium occidentale var. candidissimum Vernon Oswald and Lowell Ahart 1997-9-18 8874 Plumas 4 air mi w of Caribou on Forest Road 26N25 to Mosquito Creek (2.3 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1383 Comment
  JEPS95123  Galium bolanderi Vernon Oswald and Lowell Ahart 1997-9-18 8877 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 2.8 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 1411 Comment
  JEPS95125  Heterotheca oregona var. rudis Vernon Oswald and Lowell Ahart 1997-9-18 8871 Plumas 10.7 mi n of Butte-Plumas County line (Highway 70 between Tobin and Belden, on bank of the North Fork Feather River); North Fork Feather River, Highway 70 627 Comment
  JEPS95172  Urtica dioica subsp. holosericea Vernon H. Oswald and Lowell Ahart 1996-7-15 8015 Plumas e side of the arm of Lake Almanor extending n from Hwy 36 causeway, s of road to Last Chance Campground (28N11) begins to parallel Lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  JEPS95180  Ericameria parryi var. latior Vernon H. Oswald and Lowell Ahart 1996-7-15 8284 Plumas 1.6 mi s of Last Chance Campground (Forest Road 29N11 on e side of Last Chance Marsh at the n end of Lake Almanor); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  JEPS95702  Sambucus racemosa var. microbotrys Vernon H. Oswald and L. Ahart 1994-7-24 7110 Plumas T30N R7E NW corner Sec. 27, 6500 ft, High Cascade Range, Red Fir Forest. Caribou Wilderness N of Chester, on the trail between Indian Mdw. and Beauty Lake 1981 Comment
  JEPS95735  Triteleia ixioides subsp. anilina Vernon H. Oswald and L. Ahart 1998-8-11 9492 Plumas South side of Onion Valley on the Quincy-La Porte Rd. (County Rd. 511) northwest of Pilot Peak: T22N R10E ca. center SE1/4 Sect. 5, ca. 6250 ft elevation, lodgepole pine woodland 1905 Comment
  JEPS96020  Mimulus nanus var. mephiticus Vernon H. Oswald and Lowell Ahart 1996-8-14 8161 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Qunicy Hwy.), northern High Sierra Nevada, Yellow Pine Forest. 1127 Comment
  JEPS96021  Eriogonum nudum var. nudum Vernon H. Oswald and Lowell Ahart 1996-8-14 8160 Plumas ca. 2 mi. (air) n.w. Meadow Valley (road paralleling Spanish Creek near Greens Flat, on Oroville-Quincy Hwy.); northern High Sierra Nevada 1127 Comment
  JEPS96024  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1996-8-14 8159 Plumas ca. 2 mi. (air) n.w. of Meadow Valley (on the Oroville-Quincy Hwy.) (rd. paralleling Spanish Creek near Greens Flat); northern High Sierra Nevada 1127 Comment
  JEPS96032  Keckiella lemmonii Vernon H. Oswald and Lowell Ahart 1996-8-14 8164 Plumas Silver Lake Rd. 0.5 mi SE of Silver Lake Campground, NE of Bucks Lake, northern High Sierra Nevada, Yellow Pine Forest. 1706 Comment
  JEPS96042  Circaea alpina subsp. pacifica Vernon H. Oswald and Lowell Ahart 1996-8-14 8152 Plumas n.e. La Porte (on La Porte-Quincy Rd. 3.1 mi. n. of rd. to Johnsville, 1.0 mi. s. of S. Fork Feather R.); n. High Sierra Nevada 1920 Comment
  JEPS96043  Eucephalus breweri Vernon H. Oswald and Lowell Ahart 1996-8-14 8147 Plumas on the La Porte-Quincy Rd. 0.9 mi n road to Johnsville ((0.9 mi n of Sierra Co. 2 mi post), ne of La Porte); northern High Sierra Nevada 1889 Comment
  JEPS96045  Carex pellita Vernon H. Oswald and Lowell Ahart 1996-8-14 8154 Plumas on La Porte-Quincy Rd. 3.1 mi n road to Johnsville (ne of La Porte, 1.0 mi s of South Fork of the Feather River); northern High Sierra Nevada 1920 Comment
  JEPS96046  Ericameria nauseosa var. oreophila Vernon H. Oswald and Lowell Ahart 1996-8-14 8157 Plumas road paralleling creek ca. 2 air mi nw Meadow Valley (on the Oroville-Quincy Hwy.) (near Greens Flat, growing in hydraulic mine tailings along road); northern High Sierra Nevada, Spanish Creek 1127 Comment
  JEPS96047  Ericameria parryi var. latior Vernon H. Oswald and Lowell Ahart 1996-7-15 8284 Plumas Forest road 29N11 Last Chance Campground (on e side of marsh, n end of lake); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS96068  Horkelia fusca subsp. parviflora Vernon H. Oswald and Lowell Ahart 1996-8-14 8181 Plumas 0.6 mi e of White Horse Campground (between Bucks Summit and Bucks Lake on the Oroville-Quincy Highway); northern High Sierra Nevada, Oroville-Quincy Highway 1615 Comment
  JEPS96072  Potentilla rivalis Vernon H. Oswald and Lowell Ahart 1996-7-15 8013 Plumas e side of arm of Lake Almanor extending n from Highway 36 causeway, s of the point where road to Last Chance Campground (28N11) begins to parrallel lake Lake Almanor; High Cascade Range, Lake Almanor 1371 Comment
  JEPS96080  Pectiantia breweri Vernon H. Oswald and Lowell Ahart 1996-8-14 8153 Plumas Northeast of La Porte on the La Porte-Quincy Rd. 3.1 mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River. Comment
  JEPS96113  Carex utriculata Vernon H. Oswald and Lowell Ahart 1996-7-15 8055 Plumas on Forest Rd. 28N11 just s Last Chance Campground (n end of lake); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS96114  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1996-7-15 8036 Plumas E. side of Last Chance Marsh at n. end of Lake Almanor (ca. 1.4 mi. s. of Last Chance Campground, at streams & marshy meadow extending e. from rd. 29N11); High Cascade Range, , Last Chance Marsh 1371 Comment
  JEPS96115  Oreostemma alpigenum var. andersonii Vernon H. Oswald and Lowell Ahart 1996-7-15 8048 Plumas just s Last Chance Campground (n end of lake); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS96116  Luzula cascadensis Vernon H. Oswald and Lowell Ahart 1996-7-15 8053 Plumas High Cascade Range. Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on Forest Rd. 28N11. 1371 Comment
  JEPS96117  Anthoxanthum odoratum Vernon H. Oswald and Lowell Ahart 1996-7-15 8052 Plumas just s of Last Chance Campground (on Forest Road 28N11, Last Chance Marsh at the n end of Lake Almanor, High Cascade Range); High Cascade Range, Last Chance Marsh, Lake Almanor 1371 Comment
  JEPS96133  Drosera rotundifolia Vernon H. Oswald and Lowell Ahart 1996-7-15 8050 Plumas on Forest Rd 28N11 just s Last Chance Campground (n end of lake); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS96134  Carex pellita Vernon H. Oswald and Lowell Ahart 1996-7-15 8045 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (n side of lake, at streams and marshy meadow extending e from road 29N11); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS97363  Dicentra uniflora Vernon H. Oswald and L. Ahart 1994-7-24 7109 Plumas T30N R7E NW1/4 NW1/4 Sec. 27, 6400 ft, High Cascade Range, Red Fir Forest. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake 1950 Comment
  JEPS97364  Phacelia racemosa Vernon H. Oswald and L. Ahart 1994-7-24 7117 Plumas T30N R7E NE1/4 NE1/4 Sec. 34, 6300 ft, High Cascade Range, Red Fir Forest. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10 1920 Comment
  JEPS97365  Collinsia torreyi var. wrightii Vernon H. Oswald and L. Ahart 1994-7-24 7118 Plumas T30N R7E NE1/4 NE1/4 Sec. 34, 6300 ft, High Cascade Range, Red Fir Forest. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10 1920 Comment
  JEPS97400  Delphinium nuttallianum Vernon H. Oswald and L. Ahart 1994-7-24 7128 Plumas T30N R8E SE1/4 SW1/4 Sec. 7, 6300 ft, High Cascade Range, Red Fir Forest. N of Lake Almanor and ca. 2 mi SE of Silver Lake on Forest Route 10, 0.8 mi SW of its jct. with Forest Road 30N21 1920 Comment
  JEPS97401  Erigeron eatonii var. plantagineus Vernon H. Oswald and L. Ahart 1994-7-24 7129 Plumas T30N R8E NE1/4 NE1/4 Sec. 7, 6350 ft, High Cascade Range, Red Fir Forest. N of Lake Almanor and ca. 2 mi ESE of Silver Lake on Forest Route 10 just S of its jct. with Forest Road 30N21 1935 Comment
  JEPS97403  Dodecatheon alpinum Vernon H. Oswald and L. Ahart 1994-7-24 7107 Plumas T30N R7E NW1/4 NW1/4 Sec. 27, 6400 ft, High Cascade Range, Red Fir Forest. Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake 1950 Comment
  NY601608  Penstemon heterodoxus var. shastensis V. H. Oswald 1993-8-25 5875 Plumas West side of the south unit of Twin Meadows, ca. 0.5 mile north of the south boundary of the park. 2057.4 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
  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
  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
  UC1532342  Sanicula graveolens Vernon Oswald 1986-6-6 2084 Plumas La Porte--Quincy Rd at S Fork of the Feather River 1965 Comment
  UC1532352  Sanicula graveolens Vernon Oswald 1986-6-6 2097 Plumas 1.3 mi N of Four Trees (Oroville--Quincy Hwy) 1615 Comment
  UC1532354  Lomatium dissectum var. multifidum Vernon Oswald 1986-6-2 2079 Plumas 5.2 mi. s.w. of Hwy. 70 at Portola (Rd. A-15) 1524 Comment
  UC1562319  Carex lasiocarpa Vernon Oswald 1990-6-22 4314 Plumas ca. 0.5 mi s Willow Lake (on the n side of the lake, ca. 9 mi (air) nw of Chester); Domingo Lake 1767 Comment
  UC1562325  Eriastrum sparsiflorum Vernon Oswald and Lowell Ahart 1990-7-25 4400 Plumas on Hwy 70 0.9 mi e Vinton; Vinton Cemetary 1524 Comment
  UC1562330  Platanthera leucostachys Vernon Oswald and Lowell Ahart 1990-6-27 4327 Plumas Oro-Quincy Highway between Merrimac and Buckeye sites (0.3 mi n of the Butte-Plumas county line) 1487 Comment
  UC1564755  Schoenoplectus subterminalis V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3909 Plumas 0.5 mi (air) w Fowler Pk (6.5 mi (air) n of La Porte, lake at the headwaters of Fowler Creek (Slate Creek)); lake at headwaters Fowler Creek, Slate Creek, w of Fowler Pk 1670 Comment
  UC1564756  Calamagrostis canadensis V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3905 Plumas 6.5 mi (air) N of La Porte (lake at the headwaters of Fowler (Slate) Creek; 0.5 mi (air) W of Fowler Peak) Comment
  UC1564757  Dulichium arundinaceum V. Oswald, L. Ahart and L. Hanson 1989-7-31 3901 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Peak, at headwaters of Fowler (Slate) Creek); Fowler Creek 1670 Comment
  UC1564758  Carex limosa V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3903 Plumas 0.5 air mi w Fowler Pk (6.5 mi air n of La Porte, lake at the headwaters of Fowler (Slate) Creek); Fowler (Slate) Creek 1670 Comment
  UC1564759  Potentilla palustris V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3902 Plumas 0.5 mi (air) w Fowler Pk (6.5 mi (air) n of La Porte, lake at the headwaters of Fowler Creek (Slate Creek)); lake at headwaters Fowler Creek, Slate Creek, w of Fowler Pk 1670 Comment
  UC1564760  Utricularia minor V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3906 Plumas 6.5 mi. (air) n. of La Porte (0.5 mi. (air) w. of Fowler Peak, lake at headwaters of Fowler (Slate) Creek) 1670 Comment
  UC1564761  Potamogeton gramineus V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3908 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Pk., lake at the headwaters of of Fowler (Slate) Creek) 1670 Comment
  UC1564763  Torreyochloa erecta V. Oswald and L. Ahart 1989-8-22 3952 Plumas 1.5 mi n of Humbug Summit ((Butte County line), on e side of Humbug Road); Humbug Road 1981 Comment
  UC1564764  Porterella carnosula V. Oswald and L. Ahart 1989-8-22 3950 Plumas ca 2 mi (air) nnw Humbug Summit (Lost Lake); , nnw of Humbug Summit 1950 Comment
  UC1564765  Polygonum polygaloides subsp. kelloggii V. Oswald and L. Ahart 1989-8-22 3951 Plumas ca 2 air mi nnw Humbug Summit; Lost Lake 1950 Comment
  UC1564768  Cuscuta suksdorfii V. Oswald and L. Ahart 1989-7-22 3949 Plumas ca 2 air mi nnw Humbug Summit; Lost Lake 1950 Comment
  UC1586401  Viola adunca Vernon H. Oswald and Lowell Ahart 1991-6-18 4693 Plumas 0.8 air mi e of Homer Lake (Forest Rd 28N68A, 1.6 mi s of it's junction with Forest Rd 28N68, 5.25 air mi n of Greenville) 2011 Comment
  UC1586410  Epipactis gigantea Vernon H. Oswald and Lowell Ahart 1991-6-18 4685 Plumas Forest Rd 28N38 3.4 mi ene junction with County Rd 201 (Old Haun Rd) (ca 4 air mi n of Greenville) 1609 Comment
  UC1586411  Cryptantha milobakeri Vernon H. Oswald and Lowell Ahart 1991-6-18 4681 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  UC1586412  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1991-6-18 4683 Plumas Forest Road 28N38 3.4 mi nne County Road 201 (Old Haun Road) (ca 4 mi (air) n of Greenville) 1609 Comment
  UC1586413  Asclepias cordifolia Vernon H. Oswald and Lowell Ahart 1991-6-18 4682 Plumas ca. 4 mi (air) n Greenville (Forest Rd. 28N38, 3.4 mi nne of its junction with County Rd. 201 (Old Haun Rd.)) 1609 Comment
  UC1586414  Lotus crassifolius Vernon H. Oswald and Lowell Ahart 1991-6-18 4679 Plumas ca 4 mi air n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  UC1586415  Hydrophyllum occidentale Vernon H. Oswald and Lowell Ahart 1991-6-18 4687 Plumas about 4 air mi n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  UC1586416  Lupinus onustus Vernon H. Oswald and Lowell Ahart 1991-6-18 4688 Plumas ca 4.5 mi (air) n Greenville (Forest Rd. 28N38, 4.9 mi ene of its jct w/County Rd 201 (Old Haun Rd.), 0.4 mi nw of its jct w/Forest Rd. 28N68 at Greenville Saddle) 1609 Comment
  UC1586417  Ribes cereum Vernon H. Oswald and Lowell Ahart 1991-6-18 4689 Plumas ca. 5.5 mi (air) n Greenville (ne side of lake); Homer Lake 1920 Comment
  UC1586418  Melica fugax Vernon H. Oswald and Lowell Ahart 1991-6-18 4691 Plumas ca 5.5 air mi n Greenville (nw side of Homer Lake); Homer Lake 1920 Comment
  UC1586419  Acer glabrum var. diffusum Vernon H. Oswald and Lowell Ahart 1991-6-18 4692 Plumas located ca 5.5 mi (air) n Greenville (Homer Lake); , n of Greenville 1920 Comment
  UC1586424  Nemophila parviflora var. austiniae Vernon H. Oswald and Lowell Ahart 1991-6-18 4690 Plumas ca 5.5 mi (air) n Greenville (nw side of Homer Lake); Homer Lake, n of Greenville 1920 Comment
  UC1586425  Hastingsia alba Vernon H. Oswald and Lowell Ahart 1991-6-18 4676 Plumas 1.7 mi ne of its junction with County Rd. 201 (Old Haun Road) ca 4 mi (air) nnw Greenville (Forest Road 28N38) 1463 Comment
  UC1586426  Iris hartwegii subsp. pinetorum Vernon H. Oswald and Lowell Ahart 1991-6-18 4675 Plumas ca 3 air mi nnw Greenville (Forest Rd 28N38, 1.7 mi ne Forest Rd 28N38 junction with County Rd 201 (Old Haun Rd)) 1463 Comment
  UC1586427  Viola purpurea subsp. integrifolia Vernon H. Oswald and Lowell Ahart 1991-6-18 4680 Plumas 4 air mi n of Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  UC1586428  Cycladenia humilis var. humilis Vernon H. Oswald and Lowell Ahart 1991-6-18 4686 Plumas 4 air mi n of Greenville (Forest Road 28N38 3.4 mi ene of its junction w County Road 201 (Old Haun Road)); Forest Road 28N38 Comment
  UC1586429  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1991-6-18 4684 Plumas ca 4 mi (air) n Greenville (Forest Rd 28N38, 3.4 mi ene of its junction with County Rd 201 (Old Haun Rd)) 1609 Comment
  UC1586440  Betula glandulosa Vernon H. Oswald and Lowell Ahart 1991-7-30 4790 Plumas w side of valley ca 6 mi (air) ene Humbug Summit (ca 12 mi (air) s of Chester, within fenced marshy enclosure at springs); Humbug Valley, Big Spring 1310 Comment
  UC1586441  Lemna trisulca Vernon H. Oswald and Lowell Ahart 1991-7-30 4796 Plumas 6 air mi ene of Humbug Summit (12 air mi s of Chester, Big Springs on w side of Humbug Valley); Humbug Valley, Big Springs 1310 Comment
  UC1586445  Corydalis caseana subsp. caseana Vernon H. Oswald and Lowell Ahart 1991-7-30 4783 Plumas 5.2 mi. (odometer) n.e. of Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd. at Grizzly Creek) 1777 Comment
  UC1586451  Sphenosciadium capitellatum Vernon H. Oswald and Lowell Ahart 1991-7-30 4781 Plumas Humbug Rd at Grizzly Creek 5.2 mi (odometer) ne Humbug Summit ((between Humbug Summit and Humbug Valley)); Grizzley Creek, ne of Humbug Summit 1777 Comment
  UC1586453  Ribes inerme var. inerme Vernon H. Oswald and Lowell Ahart 1991-7-30 4798 Plumas ca. 6 mi (air) ene Humbug Summit (within the fenced enclosure at the springs, ca. 12 mi (air) s of Chester, w side of valley); Humbug Valley, Big Springs 1310 Comment
  UC1586455  Agrostis idahoensis Vernon H. Oswald and Lowell Ahart 1991-7-30 4795 Plumas ca 6 mi (air) ene Humbug Summit (ca 12 mi (air) s of Chester, Big Springs on w side Humbug Valley); w side Humbug Valley, Big Springs 1310 Comment
  UC1586456  Muhlenbergia andina Vernon H. Oswald and Lowell Ahart 1991-7-30 4797 Plumas ca 6 mi (air) ene Humbug Summit (12 mi (air) s of Chester, w side of valley, within fenced enclosure at springs); Humbug Valley, Big Springs 1310 Comment
  UC1586457  Veronica scutellata Vernon H. Oswald and Lowell Ahart 1991-7-30 4789 Plumas 6 air mi ene of Humbug Summit (12 air mi s of Chester, Big Springs on w side of Humbug Valley); Humbug Valley, Big Springs 1310 Comment
  UC1586458  Eriophorum gracile Vernon H. Oswald and Lowell Ahart 1991-7-30 4794 Plumas ca. 6 mi. (air) e.-n.e. Humbug Summit (ca. 12 mi. (air) s. of Chester, Big Springs, w. side of Humbug Valley, bog within fenced enclosure at springs); Humbug Valley, Big Springs 1310 Comment
  UC1586459  Packera pauciflora Vernon H. Oswald and Lowell Ahart 1991-7-30 4788 Plumas Big Springs on the w side Humbug Valley (ca 6 mi (air) ene of Humbug Summit, ca 12 mi (air) s of Chester); Big Springs on w side Humbug Valley 1310 Comment
  UC1586461  Drosera X obovata Vernon H. Oswald and Lowell Ahart 1991-7-30 4792 Plumas ca 6 air mi ene Humbug Summit (ca 12 air mi s of Chester, w side of valley, fenced enclosure at the springs); Humbug Valley, Big Springs 1310 Comment
  UC1586462  Potentilla palustris Vernon H. Oswald and Lowell Ahart 1991-7-30 4791 Plumas ca 6 mi (air) ene Humbug Summit (ca 12 mi (air) s of Chester, Big Springs on w side Humbug Valley); w side Humbug Valley, Big Springs 1310 Comment
  UC1586463  Lonicera cauriana Vernon H. Oswald and Lowell Ahart 1991-7-30 4786 Plumas 5.2 mi (odometer) ne Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd.); Grizzly Creek 1777 Comment
  UC1586464  Epilobium oregonense Vernon H. Oswald and Lowell Ahart 1991-7-30 4780 Plumas Humbug Rd 5.2 (odometer) mi ne of Humbug summit (between Humbug Summit and Humbug Valley); Grizzly Creek 1777 Comment
  UC1586465  Tofieldia occidentalis subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1991-7-30 4785 Plumas Grizzly Creek; at Humbug Road, 5.2 (odometer) mi ne of Humbug Summit (between Humbug Summit and Humbug Valley) 1777 Comment
  UC1586466  Lonicera involucrata var. involucrata Vernon H. Oswald and Lowell Ahart 1991-7-30 4787 Plumas 5.2 mi (odometer) ne Humbug Summit (Humbug Rd., between Humbug Summit and Humbug Valley); Grizzly Creek 1777 Comment
  UC1586468  Gentiana newberryi Vernon H. Oswald and Lowell Ahart 1991-7-30 4782 Plumas 5.2 mi (odometer) ne Humbug Summit (between Humbug Summit and Humbug Valley) (Humbug Rd at Grizzly Creek); Grizzly Creek 1777 Comment
  UC1586469  Hypericum formosum var. scouleri Vernon H. Oswald and Lowell Ahart 1991-7-30 4779 Plumas 5.2 mi. (odometer) n.e. Humbug Summit (between Humbug Summit and Humbug Valley, Humbug Rd. at Grizzly Creek) 1777 Comment
  UC1594534  Keckiella lemmonii Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson and Tyleasi Martin 1992-8-20 5173 Plumas ca 2.25 air mi ese Pilot Peak (ca 9 air mi ne of La Porte, Forest Rd 23N10 between junction of 22N19 and Hopkins Creek) 1706 Comment
  UC1594586  Dulichium arundinaceum Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5037 Plumas just w of Lakes Basin Campground (5 air mi ssw of Graegle via Gold Lake Forest Hwy, County Road 519, Grass Lake); Grass Lake, County Road 519 1926 Comment
  UC1594587  Carex lasiocarpa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5033 Plumas ca. 5 mi (air) ssw Graeagle (via Gold Lake Forest Hwy. (County Rd. 519), just w of Lakes Basin Campground); Grass Lake 1926 Comment
  UC1594608  Epilobium luteum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5172 Plumas Forest Rd 23N10 between junction of 22N19 and Hopkins Creek (ca 2.25 air mi ese of Pilot Pk., ca 9 air mi ne of La Porte) 1706 Comment
  UC1594634  Phacelia hydrophylloides Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5046 Plumas near entrance of Lakes Basin Campground (ca 5 air mi ssw of Graeagle via Gold Lake Forest Hwy (County Rd 519)) 1926 Comment
  UC1594654  Linaria vulgaris Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson and Tyleasi Martin 1992-8-20 5169 Plumas on n edge of La Porte, Quincy-La Porte Road La Porte; , Quincy-La Porte Road 1514 Comment
  UC1594680  Pyrola asarifolia Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5043 Plumas Grass Lake located just W of Lakes Basin Campground ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd 519) 1926 Comment
  UC1594684  Schoenoplectus subterminalis Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5036 Plumas via Gold Lake Forest Hwy (County Rd. 519) ca 5 mi (air) ssw Graeagle (Grass Lake located just w of Lakes Basin Campground, w end Grass Lake); w end Grass Lake, w of Lakes Basin Campground 1926 Comment
  UC1594685  Carex lenticularis var. impressa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5041 Plumas via Gold Lake Forest Hwy. (County Rd. 519) ca. 5 mi (air) ssw Graeagle (w end Grass Lake, located just w of Lakes Basin Campground); Grass Lake 1926 Comment
  UC1594686  Potentilla palustris Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5035 Plumas via Gold Lake Forest Hwy (County Rd. 519) ca 5 mi (air) ssw Graeagle (Grass Lake located just w of Lakes Basin Campground); Grass Lake, ssw of Graeagle 1926 Comment
  UC1594687  Vaccinium cespitosum Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5042 Plumas ca 5 air mi ssw Graeagle (via Gold Lake Forest Hwy (County Rd. 519), just w of Lakes Basin Campground, w end of Grass Lake); Grass Lake 1926 Comment
  UC1594688  Salix eastwoodiae Vernon H. Oswald, et al. 1992-7-1 5034 Plumas Grass Lake located just w of Lakes Basin Campground (ca. 5 mi (air) ssw of Graegle via Gold Lake Forest Hwy. (County Rd. 519), w end of lake) 1926 Comment
  UC1594689  Carex lenticularis var. lipocarpa Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5040 Plumas ca. 5 mi (air) ssw Graeagle (via Gold Lake Forest Hwy. (County Rd. 519), w end of lake, just w of Lakes Basin Campground); Grass Lake 1926 Comment
  UC1594690  Carex canescens Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5039 Plumas via Gold Lake Forest Hwy. (County Rd. 519) ca 5 mi (air) ssw Graeagle (w end Grass Lake, located just w of Lakes Basin Campground); Grass Lake 1926 Comment
  UC1609125  Orthilia secunda Vernon H. Oswald and Lowell Ahart 1993-8-25 5855 Plumas Ridge Lake located ca. 1 mi ESE of Spencer Mdw. ca. 0.6 mi S of Lassen Park. 1978 Comment
  UC1609144  Scirpus acutus var. occidentalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5762 Plumas Unnamed lake 0.25 mi e of Hay Meadow (9 air mi n of Lake Almanor, near n end of 30N25 on s edge of Caribou Wilderness); Caribou Wilderness 1926 Comment
  UC1609145  Platanthera leucostachys Vernon H. Oswald and Lowell Ahart 1993-8-3 5764 Plumas ca 0.25 mi e Hay Meadow (n side of unnamed lake, on the s edge of the Caribou Wilderness, near the n end of 30N25, ca 9 mi (air) n of Lake Almanor); Caribou Wildernes 1926 Comment
  UC1609194  Pedicularis attollens Vernon H. Oswald and Lowell Ahart 1993-8-3 5765 Plumas along n side of Unnamed lake 0.25 mi e of Hay Meadow (on the s edge of Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor); Caribou Wilderness 1926 Comment
  UC1609200  Carex lasiocarpa Vernon H. Oswald and Lowell Ahart 1993-8-3 5758 Plumas ca. 9 mi (air) n Lake Almanor (in the se corner of the meadow at the n end of 30N25 on the s edge of the Caribou Wilderness,); Caribou Wilderness, Hay Meadow 1950 Comment
  UC1609201  Brasenia schreberi Vernon H. Oswald and Lowell Ahart 1993-8-11 5782 Plumas ca. 0.5 mi s Willow Lake (ca 1 mi s of Lassen Volcanic National Park, Domingo Lake); Domingo Lake, s of Lassen Volcanic National Park 1767 Comment
  UC1609246  Dulichium arundinaceum Vernon H. Oswald and Lowell Ahart 1993-8-3 5760 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  UC1609266  Saxifraga oregana Vernon H. Oswald and Lowell Ahart 1993-8-3 5763 Plumas 0.25 mi e of Hay Meadow (on s edge of the Caribou Wilderness near n end of 30N25, 9 air mi n of Lake Almanor, at unnamed lake); Caribou Wilderness 1926 Comment
  UC1609325  Arnica discoidea Vernon H. Oswald and Lowell Ahart 1993-8-11 5781 Plumas 0.5 mi s Willow Lake (ca 1 mi s of Lassen Park, se side of lake); Domingo Lake 1767 Comment
  UC1609397  Botrychium simplex Vernon H. Oswald and Lowell Ahart 1993-8-3 5768 Plumas ca. 9 mi (air) n Lake Almanor (unnamed lake ca. 0.25 mi e of Hay Meadow, n end 30N25, sw corner of lake); s edge Caribou Wilderness 1926 Comment
  UC1609428  Menyanthes trifoliata Vernon H. Oswald and Lowell Ahart 1993-8-3 5759 Plumas 9 air mi n of Lake Almanor (Hay Meadow at n end of 30N25 on s edge of the Caribou Wilderness); Caribou Wilderness, Hay Meadow 1950 Comment
  UC1609492  Potamogeton natans Vernon H. Oswald and Lowell Ahart 1993-8-11 5783 Plumas Domingo Lake 0.5 mi s of Willow Lake (1 mi s of Lassen Volcanic National Park); Domingo Lake 1767 Comment
  UC1609493  Sparganium angustifolium Vernon H. Oswald and Lowell Ahart 1993-8-25 5854 Plumas ca 1 mi ese Spencer Meadow (ca 0.6 mi s of Lassen Peak, Ridge Lake, especially the se arm of the lake); Ridge Lake 1978 Comment
  UC1609498  Schoenoplectus subterminalis Vernon H. Oswald and Lowell Ahart 1993-8-3 5766 Plumas unnamed lake ca 0.25 mi e Hay Meadow (w. side of the lake, on s edge Caribou Wilderness near the n end of 30N25 ca 9 mi (air) n of Lake Almanor); s edge Caribou Wilderness, e of Hay Meadow, n Lake Almanor 1926 Comment
  UCR263560  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald, Lowell Ahart 1997-6-24 8627 Plumas Sierra Nevada Mountaisn, South of Susanville on Diamond Mtn. Motorway (28N15) at the meadow of Wheeler Sheep Campground 1994 Comment
  UCR263562  Keckiella lemmonii Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, Tyleas 1992-8-20 5173 Plumas Sierra Nevada Mountains, Forest Rd. 23N10 between the junction of 22N19 and Hopkins Creek, ca. 2.25 mi (air)ESE of Pilot Pk., ca. 9 mi (air) NE of La Porte 1707 Comment
  UCSB63772  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-11 Plumas USFS 23N85Y; 0.8 mi. east of Oroville-Quincy Hwy.; 6.2 mi. northeast of Four Trees; on the south side of Frenchman Hill: T23N R7E NW1/4 Sect. 18 1737 Comment
  CAS-BOT-BC19943  Carex exsiccata 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
  CAS-BOT-BC454041  Potamogeton pusillus subsp. pusillus V. Oswald; L. Ahart 1988-8-4 3665 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CDA27972  Trifolium kingii var. productum Vernon H. Oswald & Lowell Ahart 1998-8-11 9476 Plumas USFS 23N85Y 0.8 mile east of Oroville-Quincy Highway, 6.2 miles northeast of Four Trees, on the south side of Frenchman Hill. Comment
  CDA33252  Triteleia hyacinthina Vernon H. Oswald & Lowell Ahart 1998-8-11 9480 Plumas USFS 23N85Y 0.8 mile east of Oroville-Quincy Highway, 6.2 miles northeast of Four Trees, on the south side of Frenchman Hill. Comment
  CDA38474  Oxypolis occidentalis Vernon H. Oswald & Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Porte Road (County Road 511) at the South Fork Feather River west of Pilot Peak. Comment
  CDA40132  Navarretia leptalea Vernon H. Oswald & Lowell Ahart 1998-8-11 9477 Plumas USFS 23N85Y 0.8 mile east of Oroville-Quincy Highway, 6.2 miles northeast of Four Trees, on the south side of Frenchman Hill. Comment
  CDA41806  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald & Lowell Ahart 1998-8-11 9489 Plumas Northwest of Onion Valley at Monitor Flat on Cleghorn Bar Road 2.5 miles west of Quincy-La Porte Road (County Road 511). Comment
  CHSC58188  Calystegia occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1992-6-22 5014 Plumas Lassen Volcanic National Park. Little willow Creek between Willow Lake and the access road into Terminal Geyser. 1737 Comment
  HSC93183  Urtica dioica subsp. holosericea Vernon H. Oswald, L. Ahart 1996-7-15 8015 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  HSC93208  Circaea alpina subsp. pacifica Vernon H. Oswald, L. Ahart 1966-8-14 8152 Plumas High Sierra Nevada, NE of La Porte on the La Porte-Quincy Rd. 3.1 mi. N of the Rd. to Johnsville, 1 mi. S of the S fork of the Feather River 1921 Comment
  HSC93209  Carex lanuginosa Vernon H. Oswald, L. Ahart 1996-8-14 8154 Plumas NE of LaPorte on the LaPorte-Quincy Rd., 3.1 mi. N of the road to Johnsville, 1 mi. S of the S Fork of the Feather River 1921 Comment
  HSC93210  Cuscuta occidentalis Vernon H. Oswald, L. Ahart 1996-8-14 8150 Plumas NE of La Porte-Quincy Rd. 0.9 mi. N of the road to Johnsville (0.9 mi. N of the Sierra Co. 2 mi. post); high Sierra Nevada 1890 Comment
  HSC93212  Sphenosciadium capitellatum Vernon H. Oswald, L. Ahart 1996-8-1 8139 Plumas FS 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, about 1.5 mi. NW of Hauns Meadow, 1.5 mi. SE of Dyer Mtn. Lookout , N of Hwy. 89, E of Lake Almanor. 1707 Comment
  HSC93233  Eurybia integrifolia Vernon H. Oswald, L. Ahart 1996-8-14 8148 Plumas NE of La Porte-Quincy Rd. 0.9 mi. N of the road to Johnsville (0.9 mi. N of the Sierra Co. 2 mi. post); high Sierra Nevada 1890 Comment
  HSC93234  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald, L. Ahart 1996-8-14 8149 Plumas NE of La Porte-Quincy Rd. 0.9 mi. N of the road to Johnsville (0.9 mi. N of the Sierra Co. 2 mi. post); high Sierra Nevada 1890 Comment
  HSC93237  Cuscuta subinclusa Vernon H. Oswald, L. Ahart 1996-8-14 8173 Plumas N High Sierra Nevada, near Bucks Summit on the Oroville-Quincy Hwy. between Meadow Valley and Bucks Lake, 3.6 mi. SW of Silver Lake Rd., 1.8 mi. NE of White Horse Campground 1677 Comment
  HSC93239  Pedicularis racemosa Vernon H. Oswald, L. Ahart 1996-8-14 8167 Plumas Silver Lake Rd., 1.9 mi. SE of Silver Lake Campground, NE of Bucks Lake, N High Sierra Nevada 1646 Comment
  HSC93303  Castilleja miniata subsp. miniata Vernon H. Oswald, L. Ahart 1996-8-1 8141 Plumas FS 27N16 on the S slope of Dyer Mtn. at a branch of Second Water Trough Creek, about 1.5 mi. NW of Hauns Meadow, 1.5 mi. SE of Dyer Mtn. Lookout , N of Hwy. 89, E of Lake Almanor. 1707 Comment
  HSC93304  Pycnanthemum californicum Vernon H. Oswald, L. Ahart 1996-8-1 8132 Plumas Old Haun Rd. (Rd. 201) on the S slope of Dyer Mtn. at Second Water Trough Creek, .5 mi. W of Hauns Meadow, SE of Dyer Mtn. Lookout, N of Hwy. 89, E of Lake Almanor, NW of Greenville 1433 Comment
  HSC93316  Mentha canadensis Vernon H. Oswald, L. Ahart 1996-7-15 8035 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from FS Rd. 29N11 1372 Comment
  HSC93323  Veronica scutellata Vernon H. Oswald, L. Ahart 1996-7-15 8017 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from FS Rd. 29N11 1372 Comment
  HSC93324  Matricaria discoidea Vernon H. Oswald, L. Ahart 1996-7-15 8014 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  HSC93325  Potentilla biennis Vernon H. Oswald, L. Ahart 1996-7-15 8013 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  HSC93326  Clarkia rhomboidea Vernon H. Oswald, L. Ahart 1996-7-15 8019 Plumas E side of the arm of Lake Almanor extending N from Hwy. 36 causeway, S of the point where the road to Last Chance Campground begins to parallel the lake, High Cascade Range. 1372 Comment
  HSC93347  Hypericum scouleri Vernon H. Oswald, L. Ahart 1996-7-15 8042 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, 1.4 mi. S of Last Chance Campground, E from FS Rd. 29N11 1372 Comment
  HSC93420  Drosera rotundifolia Vernon H. Oswald, L. Ahart 1996-7-15 8050 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on FS 28N11 1372 Comment
  HSC93422  Carex utriculata Vernon H. Oswald, L. Ahart 1996-7-15 8055 Plumas Last Chance Marsh at the N end of Lake Almanor, just S of Last Chance Campground on FS 28N11 1372 Comment
  JEPS83782  Scheuchzeria palustris subsp. americana V. Oswald and L. Ahart 1988-8-4 3672 Plumas just s boundary of Lassen Volcanic National Park (se of Drakesbad, s side of lake); Willow Lake 1676 Comment
  JEPS83784  Carex lasiocarpa var. americana V. Oswald and L. Ahart 1988-8-4 3679 Plumas Willow Lake locasted SE of Drakesbad just S of the boundary of Lassen Volcanic National Park; NE of the lake 1676 Comment
  JEPS88222  Cuscuta californica Vernon H. Oswald and Lowell Ahart 1996-8-14 8150 Plumas NE of La Porte on the La Porte - Quincy Road 0.9 mi N of the road to Johnsville (0.9 mi N of the Sierra Co. 2 mi post); northern High Sierra Nevada 1889 Comment
  JEPS96033  Cuscuta subinclusa Vernon H. Oswald and Lowell Ahart 1996-8-14 8173 Plumas near Bucks Summit on Oroville - Quincy Hwy between Meadow Valley and Bucks Lake, 3.6 mi SW of Silver Lake Road, 1.8 mi NE of White Horse Campground; northern High Sierra 1676 Comment
  JEPS96086  Cuscuta suksdorfii Vernon H. Oswald and Lowell Ahart 1996-8-14 8151 Plumas NE of La Porte on the La Porte - Quincy Road 301. mi N of the road to Johnsville, 1.0 mi S of the South Fork of the Feather River; northern High Sierra Nevada 1920 Comment
  JEPS97934  Sidalcea oregana subsp. spicata Vernon H. Oswald and Lowell Ahart 1998-8-11 9483 Plumas Grizzly Creek, W of Bucks Lake on USFS 23N36 0.1 mi E of Oroville - Quincy Hwy 1566 Comment
  JEPS97936  Sidalcea glaucescens Vernon H. Oswald and Lowell Ahart 1998-8-11 9475 Plumas USFS 23N85Y 0.6 mi E of Oroville - Quincy Hwy, 6.2 mi NE of Four Trees, S side of Frenchman Hill 1737 Comment
  RSA500442  Corydalis caseana Vernon H. Oswald, W. Dempsey 1989-8-24 3969 Plumas Big Springs in Humbug Valley, ca. 13 miles (air) south of Chester Comment
  SEINET10510252  Agrostis idahoensis Vernon H. Oswald, Lowell Ahart 1991-7-30 Oswald 4795 Plumas Big Springs on the W side of Humbug Valley, ca. 6 miles (air) ENE of Humbug Summit, ca. 12 miles (air S of Chester. Scattered plans along the edge of a downed log on a open patch of quaking sphagnum bog within the fenced enclosure at the springs. Comment
  SEINET10520727  Calamagrostis canadensis Vernon H. Oswald, Lowell Ahart; L. Hanson 1989-7-31 Oswald 3905 Plumas T22N R9E nw/nw/S17, Freshwater Marsh in Red Fir Forest. Lake at the headwaters of Fowler (Slate) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pak. Locally abundant on a small, floating bog. 1670 Comment
  SEINET10580361  Asclepias cordifolia Vernon H. Oswald, Lowell Ahart 1991-6-18 Oswald 4682 Plumas Forest Road 28N38, 3.4 mi ENE of its junction with County Road 201 (Old Haun Road), ca 4 mi (air) N of Greenville 1609 Comment
  SEINET10599382  Melica fugax Vernon H. Oswald, Lowell Ahart 1995-7-24 Oswald 7125 Plumas T30N R7E NE1/4 NE1/4 Sec. 34, High Cascade Range, Red Fir Forest. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. Growing in dry rocky volcanic soil in open, recently logged forest. 1920 Comment
  SEINET10706966  Carex limosa Vernon H. Oswald, Lowell Ahart 1988-8-4 Oswald 3678 Plumas T29N, R5E, se/nw/S6, Red Fir Forest. Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  SEINET10706979  Carex limosa Vernon H. Oswald, Lowell Ahart; L. Hanson 1989-7-31 Oswald 3903 Plumas T22N R9E nw/nw/S17, Freshwater Marsh in Red Fir Forest. Lake at the headwateres of Fowler (Slatez) Creek, 6.5 mi (air) n of La Porte, 0.5 mi (air) w of Fowler Pk. Common on a small floating bog. 1670 Comment
  SEINET10823180  Carex exsiccata Vernon H. Oswald, Lowell Ahart 1988-8-4 Oswald 3673 Plumas T29N, R5E, SW/NW S6, Red Fir. Forest. Willow Lake located se of Drakesbad just S of the boundary of Lassen Volcanic National Park. 1676 Comment
  SEINET10859933  Puccinellia erecta Vernon H. Oswald, Lowell Ahart 1989-8-22 Oswald 3952 Plumas T26N R5E se/S11, Red Fir Forest. Impounded spring on the e side of Humbug Rd 1.5 mi (odometer) n of Humbug Summit (Butte County line). Rooted in shallow water on the edge of the pond. 1981 Comment
  SEINET10860129  Muhlenbergia andina Vernon H. Oswald, Lowell Ahart 1991-7-30 Oswald 4797 Plumas Big Springs on the west side of Humbubug Valley, ca. 6 miles (air) east-northeast of HUmbug Summit, ca. 12 miles (air) south of Chester. T26N R6E sw/S1. Yellow Pine Forest. 1311 Comment
  SEINET10912869  Carex whitneyi Vernon H. Oswald, Lowell Ahart 1995-7-24 Oswald 7121 Plumas T30N R7E NE1/4 NE1/4 Sec. 34. High Cascade Range, Red Fir Forest. N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. Tufted sedge in dry, rocky volcanic soil in open, recently logged forest. 1920 Comment
  SEINET10916824  Carex lasiocarpa Vernon H. Oswald, Lowell Ahart 1988-8-4 Oswald 3679 Plumas T29N R5E se/nw/S6, Red Fir Forest. Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. Occasional sedge which forms small tufts on the edge of a floating sphagnum bog where it drops off into deep water; located on the ne side of the lake. 1676 Comment
  SEINET10916825  Carex lasiocarpa Oswald 1990-6-22 OSWALD 4314 Plumas T29N R6E sw/sw/s6, Red Fir Forest. Domingo Lake, ca. 0.5 mi south of Willow Lake ca. 9 mi (air) northwest of Chester. Common rhizomatous sedge in 3-4 dm of water on the north side of the lake. 1768 Comment
  UC1562326  Ambrosia acanthicarpa Vernon Oswald and Lowell Ahart 1990-7-25 4401 Plumas .9 mi e on Hwy 70, (Vinton Cemetery) Vinton; Vinton Cemetery Comment
  UC1586452  Kyhosia bolanderi Vernon H. Oswald and Lowell Ahart 1991-7-30 4778 Plumas 5.2 mi (odometer) ne of Humbug Summit; Humbug, Grizzly Creek 1777 Comment
  UC1586454  Eleocharis suksdorfiana Vernon H. Oswald and Lowell Ahart 1991-7-30 4793 Plumas 12 air mi S of Chester (Big Springs, within fenced enclosure; 6 air mi ENE of Humbug Summit); Humbug Valley, W side 1310 Comment
  UC1586467  Arnica parryi Vernon H. Oswald and Lowell Ahart 1991-7-30 4784 Plumas 5.2 mi ne of, Humbug Rd at Grizzly Creek Humbug Summit; Grizzly Creek 1777 Comment
  UC1586470  Hieracium nudicaule Vernon H. Oswald 1991-7-17 4755 Plumas 0.5 mi (air) s Little Willow Lake (and ca 3 mi (air) s of Drakesbad, Forest Rd 29N16 (Little Willow Lake Rd), 0.4 mi n of its junction with Forest Rd 29N18 (Upper Rice Creek Rd.)) 1874 Comment
  UC1594620  Symphyotrichum spathulatum Vernon H. Oswald, Lowell Ahart, Loren Gehrung, Linnea Hanson, and Tyleasi Martin 1992-8-20 5170 Plumas at n edge, between Quincy-La Porte Rd and pond La Porte 1514 Comment
  UC1594682  Mitella breweri Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway, and Joan Reynolds 1992-7-1 5044 b Plumas near entrance gate to Elwell Lodge (s end of campground, s margin of lake, ca 5 air mi ssw of Graeagle via Gold Lake Forest Hwy (County Rd. 519)); Grass Lake, Lakes Basin Campground Comment



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