Search Results — 2000 specimen records retrieved (1953 records with coordinates)
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Results for search: County=BUTTE; Source=All; Collector=Oswald;   
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC109252  Polygonum shastense V. Oswald; L. Ahart 1988-7-29 3656 Butte Ca. 5 mi (air) southeast of Jonesville on the ridge running eastwards from the peak of Snow Mountain. 2097 Comment
  CAS-BOT-BC110771  Juncus mertensianus V. Oswald; L. Ahart 1988-7-29 3652 Butte Ca. 5 miles (air) southeast of Jonesville on the ridge running eastwards from the peak of Snow Mountain. 2097 Comment
  CAS-BOT-BC111889  Rhynchospora californica V. Oswald 1984-6-14 1291 Butte Upper Bidwell Park, Chico, between Upper Park Rd. & Salmon Hole near Parking Area O. 182 Comment
  CAS-BOT-BC112357  Fimbristylis autumnalis V. Oswald 1987-7-23 3148 Butte Feenstra's Riverview Orchard located at the W end of Cana Rd., Comment
  CAS-BOT-BC119721  Carex nervina V. Oswald; Lowell Ahart 1988-7-26 3623 Butte Snow Mt. region ca. 6 air mi SE of Jonesville. 2026 Comment
  CAS-BOT-BC13174  Agoseris monticola V. Oswald; L. Ahart 1988-10-6 3707 Butte Near the headwaters of Big Kimshew Creek, ca. 1.5 air miles NE of Jones Meadow 1950 Comment
  CAS-BOT-BC137751  Anthoxanthum odoratum V. Oswald; L. Ahart 1988-6-17 3402 Butte Pinkard Creek ca. 1.5 mile north of Lost Creek Reservoir. 1066 Comment
  CAS-BOT-BC138579  Agrostis variabilis V. Oswald; L. Ahart 1988-8-16 3692 Butte Ca. 5 miles (air) southeast of Jonesville on the ridge running eastwards from the peak of Snow Mountain. 2103 Comment
  CAS-BOT-BC143108  Potentilla breweri V. Oswald; L. Ahart 1888-7-26 3619 Butte Snow Mt. region located ca. 6 air mi se of Jonesville 1996 Comment
  CAS-BOT-BC147770  Purshia tridentata var. tridentata V. Oswald; L. Ahart 1988-7-29 3639 Butte Ca. 5 mi (air) se of Jonesville on the n edge of the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CAS-BOT-BC148836  Bromus carinatus var. marginatus Vernon Oswald; Lowell Ahart 1987-7-1 3088 Butte Scotts John Road at Big Rock Meadow 1.0 mile north of the road connecting Humboldt and Humbug Roads, ca. 2.5 miles east northeast of Jonesville. 1780 Comment
  CAS-BOT-BC161579  Bromus suksdorfii V. Oswald; L. Ahart 1988-7-26 3626 Butte Snow Mountain region located ca. 6 air miles southeast of Jonesville. 2042 Comment
  CAS-BOT-BC174185  Eremogone congesta var. congesta Vernon Oswald; Lowell Ahart 1987-7-1 3054 Butte Scotts John Rd. 1.3 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. On the w side of Scotts John Creek 1828 Comment
  CAS-BOT-BC18209  Carex V. Oswald; L. Ahart 1988-7-26 3627 Butte Snow Mountain region located ca. 6 air miles southeast of Jonesville. 1996 Comment
  CAS-BOT-BC185474  Calamagrostis canadensis Vernon Oswald; Lowell Ahart 1987-7-1 3059 Butte Scotts John Creek 1.3 mile north of the road connecting Humboldt and Humbug Roads, ca. 2.5 miles east northeast of Jonesville. 1813 Comment
  CAS-BOT-BC192652  Deschampsia danthonioides V. Oswald; L. Ahart 1988-7-13 3577 Butte Road to High Lakes e of Philbrook Reservoir 1859 Comment
  CAS-BOT-BC193525  Trisetum spicatum V. Oswald; L. Ahart 1988-7-26 3624 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 2042 Comment
  CAS-BOT-BC193526  Trisetum spicatum Vernon Oswald; Lowell Ahart 1987-7-1 3057 Butte W side of Scotts John Creek, Scotts John Rd. 1.3 mi. N of the road connecting Humboldt and Humbug Rds., ca. 2.5 mi. ENE of Jonesville. 1828 Comment
  CAS-BOT-BC201742  Deschampsia elongata Vernon Oswald; Lowell Ahart 1987-7-1 3062 Butte Lily Pond located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville 1813 Comment
  CAS-BOT-BC203421  Elymus glaucus subsp. glaucus V. Oswald; L. Ahart 1988-7-29 3642 Butte Ca 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CAS-BOT-BC206135  Hosackia crassifolia V. Oswald; L. Ahart 1988-7-13 3582 Butte Road to High Lakes e of Philbrook Reservoir, on the n side of the road, on dry margins of a seep on a steep outcropping 1859 Comment
  CAS-BOT-BC21235  Carex multicostata V. Oswald; L. Ahart 1988-7-26 3630 Butte Snow Mountain Region located 6 air miles SE of Jonesville. North brow of a ridge running eastward from Snow Mountain. 2072 Comment
  CAS-BOT-BC216376  Achnatherum occidentale subsp. occidentale Vernon Oswald; Lowell Ahart 1987-8-5 3181 Butte Near Humboldt Peak 2151 Comment
  CAS-BOT-BC217018  Achnatherum occidentale V. Oswald; L. Ahart 1988-7-13 s.n. Butte S side of road to High Lakes, E of Philbrook Reservoir 1859 Comment
  CAS-BOT-BC227294  Elymus elymoides V. Oswald; L. Ahart 1988-7-29 3640 Butte Ca. 5 mi (air) se of Jonesille [Jonesville] on the n edge of the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CAS-BOT-BC228249  Plagiobothrys hispidulus V. Oswald; L. Ahart 1988-7-13 3584 Butte Road to High Lakes E of Philbrook Reservoir, on the N side of Philbrook Creek S of the road 1828 Comment
  CAS-BOT-BC234612  Symphoricarpos mollis Vernon Oswald; Lowell Ahart 1987-7-1 3055 Butte Scotts John Rd. 1.3 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. On the w side of Scotts John Creek 1828 Comment
  CAS-BOT-BC235069  Sambucus racemosa var. racemosa V. Oswald; L. Ahart 1988-7-26 3625 Butte Snow Mt. region located ca. 6 air mi se of Jonesville 2042 Comment
  CAS-BOT-BC241436  Lonicera involucrata var. involucrata V. Oswald; L. Ahart 1988-7-26 3631 Butte Snow Mt. region located ca. 6 air mi se of Jonesville 2072 Comment
  CAS-BOT-BC255236  Poa pringlei V. Oswald; L. Ahart 1988-7-29 3650 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CAS-BOT-BC259279  Eriogonum lobbii V. Oswald; L. Ahart 1988-7-29 3643 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CAS-BOT-BC281020  Melica stricta Vernon Oswald; Lowell Ahart 1987-8-5 3182 Butte Skirting the N flank of Humboldt Peak on the Butte - Plumas county border, S of the Pacific Crest Trail 2072 Comment
  CAS-BOT-BC295166  Erigeron inornatus Vernon Oswald; Lowell Ahart 1987-7-1 3050 Butte Scotts John Rd. 1.3 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville 1828 Comment
  CAS-BOT-BC342643  Madia citrigracilis Vern Oswald; Bruce Baldwin 1988-6-16 3388 Butte Camp Creek Rd. ca. 0.5 mi ene of Pulga 512 Comment
  CAS-BOT-BC414716  Polygonum minimum V. Oswald; L. Ahart 1988-7-13 3581 Butte Road to High Lakes e of Philbrook Reservoir 1859 Comment
  CAS-BOT-BC419896  Polygonum polygaloides subsp. kelloggii V. Oswald; L. Ahart 1988-7-13 3585 Butte Road to High Lakes e of Philbrook Reservoir. On the n side of Philbrook Creek s of the road. 1828 Comment
  CAS-BOT-BC52017  Ceanothus prostratus V. Oswald; L. Ahart 1988-7-29 3637 Butte Ca. 5 mi (air) SE of Jonesville on the N edge of the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CAS-BOT-BC69540  Athyrium alpestre subsp. americanum V. Oswald; L. Ahart 1988-7-29 3651 Butte Ca. 5 mi. (air) se. of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2097 Comment
  CAS-BOT-BC76710  Polystichum lemmonii V. Oswald; L. Ahart 1988-7-29 3655 Butte Ca. 5 mi. (air) SE of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2097 Comment
  CAS-BOT-BC77348  Woodsia scopulina Vernon Oswald; Lowell Ahart 1987-8-5 3185 Butte Humboldt Peak on the Butte-Plumas county border, s of the Pacific Crest Trail 2072 Comment
  CDA2579  Cyperus iria Vernon Oswald 2000-8-12 9949 Butte In the Oroville Wildlife Area on the west side of the Feather River between Palm Avenue and Vance Avenue. Comment
  CDA31664  Deschampsia danthonioides Vernon H. Oswald & Lowell Ahart 1998-6-11 9223 Butte Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi. north of Macdoel. Comment
  CDA5602  Myosotis discolor Vernon H. Oswald & Lowell Ahart 1998-6-11 9211 Butte Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi. north of Macdoel. Comment
  CHSC38155  Ranunculus aquatilis var. aquatilis Vernon Oswald 1983-6-3 618 Butte Upper Bidwell Park, Chico, at Horseshoe Lake. Along the margin of the lake. 100 Comment
  CHSC38156  Ranunculus arvensis Vernon Oswald 1983-4-18 347 Butte Upper Bidwell Park, Chico, at the n-w side of Horseshoe Lake. 102 Comment
  CHSC38157  Ranunculus muricatus Vernon Oswald 1983-4-30 399 Butte Upper Bidwell Park, Chico, on the north slope beneath the power lines 1800 ft n of Upper Park Rd. Along the edge of an intermittent stream. 158 Comment
  CHSC38158  Ranunculus hebecarpus Vernon Oswald 1983-3-14 182 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.3 mi e of the power lines. 350 Comment
  CHSC38159  Ranunculus occidentalis var. occidentalis Vernon Oswald 1983-4-27 396 Butte Upper Bidwell Park, Chico, ca. 50 ft n of Upper Park Rd. and 100 ft e of the e entrance to Parking Area S (Brown's Hole). 231 Comment
  CHSC38160  Ranunculus canus Vernon Oswald 1983-3-26 206 Butte Upper Bidwell Park, Chico, on the north rim ca. 0.7 mi e of the power lines. 286 Comment
  CHSC38162  Thalictrum fendleri var. polycarpum Vernon Oswald 1983-4-1 254 Butte Upper Bidwell Park, Chico, s of the creek and e of the footbridge near the 4th green of the Golf Course. 91 Comment
  CHSC38165  Delphinium variegatum subsp. variegatum Vernon Oswald 1983-4-6 283 Butte Upper Bidwell Park, Chico, ca. 100 ft s of the n park boundary and ca. 1800 ft e of the junction of Wildwood Ave. and Upper Park Rd. 88 Comment
  CHSC38167  Clematis ligusticifolia Vernon Oswald 1983-7-13 866 Butte Upper Bidwell Park, Chico, at the locked gate on the dirt road at the e end of Centennial Ave. 85 Comment
  CHSC38233  Selaginella hansenii Vernon Oswald 1982-12-19 27 Butte Bidwell Park, Chico, on the north rim at the level of the Rifle Range. 188 Comment
  CHSC38234  Equisetum arvense Vernon Oswald 1983-6-2 602 Butte Upper Bidwell Park, Chico, near the east boundary of the park. 207 Comment
  CHSC38236  Equisetum laevigatum Vernon Oswald 1983-3-19 195 Butte Upper Bidwell Park, Chico, at the turn-around at the e end of Upper Park Rd. 207 Comment
  CHSC38239  Marsilea vestita subsp. vestita Vernon Oswald 1983-5-25 549 Butte Upper Bidwell Park, Chico, at Horseshoe Lake. 100 Comment
  CHSC38240  Pilularia americana Vernon Oswald 1983-5-14 478 Butte Upper Bidwell Park, Chico, 80 ft n of Upper Park Rd. and 50 ft w of the road to the North Rim Trail. 92 Comment
  CHSC38241  Polypodium calirhiza Vernon Oswald 1982-7-3 21 Butte Bidwell Park, Chico, beside road leading to Police Pistol Range. 85 Comment
  CHSC38242  Adiantum capillus-veneris Vernon Oswald 1982-11-6 10 Butte Bidwell Park, Chico. About 1600 ft n of Upper Park Rd. at a point 3.0 mi e of its junction with Wildwood Ave. 213 Comment
  CHSC38244  Adiantum aleuticum Vernon Oswald 1983-6-17 702 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek ca. 200 ft w of Day Camp. 91 Comment
  CHSC38245  Aspidotis californica Vernon Oswald 1982-7-23 32 Butte Bidwell Park, Chico, along Yahi Trail w of Brown's Hole. 182 Comment
  CHSC38247  Aspidotis densa Vernon Oswald 1983-6-14 681 Butte Upper Bidwell Park, Chico, at Bear Hole. 97 Comment
  CHSC38248  Pellaea andromedifolia Vernon Oswald 1982-7-23 33 Butte Bidwell Park, Chico, on the s side of Upper Park Rd. 4.4 mi e of its junction with Wildwood Ave. (at Parking area R). 231 Comment
  CHSC38251  Pentagramma triangularis subsp. triangularis Vernon Oswald 1983-4-4 274 Butte Upper Bidwell Park, Chico, on the north rim ca. 1800 ft w of the power lines. 182 Comment
  CHSC38253  Pseudotsuga menziesii var. menziesii Vernon Oswald 1983-8-19 1007 Butte Upper Bidwell Park, Chico, near the e end of Yahi Trail. 207 Comment
  CHSC38254  Acer macrophyllum Vernon Oswald 1983-4-1 256 Butte Upper Bidwell Park, Chico in the wooded strip s of the creek and e of the footbridge at the Golf Course. 91 Comment
  CHSC38255  Mollugo verticillata Vernon Oswald 1983-6-18 707 Butte Upper Bidwell Park, Chico, in Lindo Channel at the diversion weir. 79 Comment
  CHSC38256  Amaranthus albus Vernon Oswald 1983-6-29 791 Butte Upper Bidwell Park, Chico, ca. 300 ft w of Day Camp. 91 Comment
  CHSC38259  Rhus aromatica Vernon Oswald 1983-5-23 534 Butte Upper Bidwell Park, Chico, beside Yahi Trail w of Brown's Hole. 195 Comment
  CHSC38263  Aristolochia californica Vernon Oswald 1983-2-14 68 Butte Upper Bidwell Park, beside the trail along Chico Creek ca. 100 ft. e of the power lines. 91 Comment
  CHSC38264  Asclepias fascicularis Vernon Oswald 1983-6-20 719 Butte Upper Bidwell Park, Chico, near Diversion Dam Parking Area L. 128 Comment
  CHSC38266  Berberis aquifolium var. dictyota Vernon Oswald 1983-5-11 473 Butte Upper Bidwell Park, Chico, near rim rock on the brush-covered slope s of the Police Pistol Range at the Golf Course. 146 Comment
  CHSC38269  Amsinckia intermedia Vernon Oswald 1983-2-9 64 Butte Upper Bidwell Park, Chico, on the North Rim ca 0.8 mi e of the power line. 320 Comment
  CHSC38272  Cryptantha intermedia Vernon Oswald 1983-4-27 397 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. ca. 100 ft e of the entrance to Parking Area S (Brown's Hole). 231 Comment
  CHSC38273  Cynoglossum grande Vernon Oswald 1983-2-14 72 Butte Upper Bidwell Park, Chico, ca. 300 ft. n of Upper Park Rd. at about the level of Brown's Hole (2.8 mi e of the power lines). 256 Comment
  CHSC38274  Plagiobothrys austiniae Vernon Oswald 1983-3-13 161 Butte Upper Bidwell Park, Chico, along Yahi Trail 100 ft. w of Parking Area P (2.0 mi e of the power lines). Along the top of a cliff. 195 Comment
  CHSC38276  Plagiobothrys greenei Vernon Oswald 1983-3-19 200 Butte Upper Bidwell Park, Chico, on the s side of Upper Park Rd. ca. 300 ft w of Parking Area M (1.2 mi e of the power lines). 146 Comment
  CHSC38279  Plagiobothrys tenellus Vernon Oswald 1983-3-6 122 Butte Upper Bidwell Park, Chico, near the top of the north slope 0.2 mi e of the end of the North Rim Trail. 390 Comment
  CHSC38280  Heliotropium europaeum Vernon Oswald 1983-10-8 1055 Butte Upper Bidwell Park, Chico, along the n-w edge of the parking lot at the Horse Arena. 79 Comment
  CHSC38281  Callitriche heterophylla var. bolanderi Vernon Oswald 1983-3-9 146 Butte Upper Bidwell Park, Chico, 400 ft w of Day Camp. In an oxbow near Chico Creek. 91 Comment
  CHSC38282  Callitriche heterophylla var. bolanderi Vernon Oswald 1983-4-10 318 Butte Upper Bidwell Park, Chico, 400 ft w of Day Camp. In an oxbow near Chico Creek. 91 Comment
  CHSC38286  Downingia ornatissima var. ornatissima Vernon Oswald 1983-5-2 416 Butte Upper Bidwell Park, Chico 50 ft s of Upper Park Rd. and 300 ft e of its junction with Wildwood Ave. 83 Comment
  CHSC38287  Githopsis pulchella subsp. campestris Vernon Oswald 1983-5-18 508 Butte Upper Bidwell Park, Chico, 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines. 243 Comment
  CHSC38288  Githopsis specularioides Vernon Oswald 1983-4-25 381 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.5 mi e of the power lines. 353 Comment
  CHSC38289  Triodanis biflora Vernon Oswald 1983-5-30 580 Butte Upper Bidwell Park, Chico, on the north rim overlooking Sycamore Creek Canyon ca. 1.8 mi e of the powerlines. 390 Comment
  CHSC38290  Sambucus mexicana Vernon Oswald 1983-5-15 497 Butte Upper Bidwell Park, Chico, between Upper Park Rd. and Chico Creek near the end of the pavement. 91 Comment
  CHSC38291  Lonicera interrupta Vernon Oswald 1983-5-31 593 Butte Upper Bidwell Park. 1000 ft N of Upper Park Rd. and 1600 ft W of the power lines. 109 Comment
  CHSC38292  Symphoricarpos albus var. laevigatus Vernon Oswald 1983-6-2 609 Butte Upper Bidwell Park, Chico, along Yahi Trail E of Brown's hole. 207 Comment
  CHSC38293  Minuartia californica Vernon Oswald 1983-2-20 91 Butte Upper Bidwell Park, Chico, on the north rim at the level of the w end of Horseshoe L. 128 Comment
  CHSC38295  Lychnis coronaria Vernon Oswald 1983-5-31 585 Butte Upper Bidwell Park, Chico, on the n bank of Chico Creek ca. 300 ft w of Day Camp. 91 Comment
  CHSC38297  Petrorhagia dubia Vernon Oswald 1983-3-14 184 Butte Upper Bidwell Park, Chico, on the north rim ca. 1500 ft w of the power lines. Along the edge of a jeep trail. 195 Comment
  CHSC38298  Sagina apetala Vernon Oswald 1983-4-4 279 Butte Upper Bidwell Park, Chico, on the north rim ca. 500 ft e of the power lines. 249 Comment
  CHSC38302  Silene laciniata subsp. californica Vernon Oswald 1983-4-17 325 Butte Upper Bidwell Park, Chico, beside Yahi Trail w of Brown's Hole. Near the bottom of canyon. 182 Comment
  CHSC38303  Silene gallica Vernon Oswald 1983-3-26 205 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 152 Comment
  CHSC38304  Spergularia bocconi Vernon Oswald 1983-5-2 414 Butte Upper Bidwell Park, Chico, in Parking Area A at the w end of Upper Park Rd. 83 Comment
  CHSC38306  Stellaria nitens Vernon Oswald 1983-3-4 111 Butte Upper Bidwell Park, Chico, on the north slope ca. 300 ft n of Upper Park Rd. 2.4 mi e of the power lines. 256 Comment
  CHSC38309  Dysphania ambrosioides Vernon Oswald 1983-8-19 1011 Butte Upper Bidwell Park, Chico, in Lindo Channel ca. 100 ft. upstream of the flood-control gates. 79 Comment
  CHSC38310  Dysphania ambrosioides Vernon Oswald 1983-9-17 1043 Butte Upper Bidwell Park, Chico, in Lindo Channel just upstream from the flood-control gates. 79 Comment
  CHSC38311  Dysphania botrys Vernon Oswald 1983-6-18 706 Butte Upper Bidwell Park, Chico, in Lindo Channel at the diversion weir. 79 Comment
  CHSC38312  Dysphania pumilio Vernon Oswald 1983-6-13 675 Butte Upper Bidwell Park, Chico, 100 ft s of the footbridge at the Golf Course. Common around a refuse dump. 85 Comment
  CHSC38315  Achillea millefolium Vernon Oswald 1983-5-14 483 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.5 mi e of the power lines. 353 Comment
  CHSC38317  Agoseris grandiflora Vernon Oswald 1983-6-16 691 Butte Upper Bidwell Park, Chico, on the north rim ca. 800 ft W of the E end of the North Rim Trail. 414 Comment
  CHSC38318  Agoseris grandiflora Vernon Oswald 1983-6-13 668 Butte Upper Bidwell Park, Chico, beside the road between Centennial Ave. and the Police Pistol Range. 91 Comment
  CHSC38323  Symphyotrichum chilense Vernon Oswald 1983-9-10 1037 Butte Upper Bidwell Park, Chico, about 200 ft. E of the parking lot at Day Camp. 91 Comment
  CHSC38324  Symphyotrichum bracteolatum Vernon H. Oswald 1983-8-9 971 Butte Upper Bidwell Park, Chico, at the retaining wall at the E end of Centennial Ave. 85 Comment
  CHSC38326  Baccharis salicifolia Vernon H. Oswald 1983-5-2 410 Butte Upper Bidwell Park, Chico, along the edge of Lindo Channel downstream from the flood-control gates. 79 Comment
  CHSC38327  Bidens frondosa Vernon H. Oswald 1983-8-26 1028 Butte Upper Bidwell Park, Chico, at Horseshoe Lake. 100 Comment
  CHSC38329  Brickellia californica Vernon H. Oswald 1983-7-28 935 Butte Upper Bidwell Park, Chico, near the E end of Yahi Trail. 207 Comment
  CHSC38333  Centaurea melitensis Vernon Oswald 1983-5-30 574 Butte Upper Bidwell Park, Chico, on the north rim ca. 1600 ft e of the power lines. 274 Comment
  CHSC38334  Centaurea solstitialis Vernon Oswald 1983-4-25 387 Butte Upper Bidwell Park, Chico, on the north rim at the head of the ravine at the Rifle Range. 182 Comment
  CHSC38336  Cichorium intybus Vernon Oswald 1983-6-2 603 Butte Upper Bidwell Park, Chico, at the E end of Upper Park Rd. 207 Comment
  CHSC38338  Cirsium vulgare Vernon Oswald 1982-12-17 22 Butte Bidwell Park, Chico, 400 ft nw of the parking lot at Diversion Dam. 134 Comment
  CHSC38339  Erigeron bonariensis Vernon Oswald 1983-6-16 695 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.5 mi e of the power lines. 341 Comment
  CHSC38340  Erigeron canadensis Vernon Oswald 1983-9-10 1038 Butte Upper Bidwell Park, Chico, about 300 ft w of Day Camp. 91 Comment
  CHSC38341  Erigeron sumatrensis Vernon Oswald 1983-9-10 1039 Butte Upper Bidwell Park, Chico, near the streamlet just west of the parking lot at Diversion Dam. 121 Comment
  CHSC38342  Eclipta prostrata Vernon Oswald 1983-9-17 1042 Butte Upper Bidwell Park, Chico, in the Lindo Channel near Five Mile Recreation Area 79 Comment
  CHSC38345  Erigeron philadelphicus Vernon Oswald 1983-5-1 404 Butte Upper Bidwell Park, Chico, where Yahi Trail borders Chico Creek ca. 800 ft w of the e end of Upper Park Rd. 198 Comment
  CHSC38347  Euthamia occidentalis Vernon Oswald 1983-9-24 1045 Butte Upper Bidwell Park, Chico, ca. 100 ft n of Upper Park Rd. at Diversion Dam. 128 Comment
  CHSC38348  Psilocarphus tenellus var. tenellus Vernon Oswald 1983-4-25 379 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. Near a jeep trail. 359 Comment
  CHSC38353  Pseudognaphalium thermale Vernon Oswald 1983-8-10 975 Butte Upper Bidwell Park, Chico, on the n rim overlooking Sycamore Creek Canyon ca. 2200 ft w of the turn-around at the e end of the North Rim Trail. 390 Comment
  CHSC38354  Gnaphalium palustre Vernon Oswald 1983-6-3 620 Butte Upper Bidwell Park, Chico, at Horseshoe Lake. 100 Comment
  CHSC38356  Grindelia hirsutula var. davyi Vernon Oswald 1983-5-25 557 Butte Upper Bidwell Park, Chico, 400 ft n of Upper Park Rd. at Diversion Dam. On abandoned road. 134 Comment
  CHSC38357  Hedypnois cretica Vernon Oswald 1983-5-4 423 Butte Upper Bidwell Park, Chico, along the e border of the parking lot at Day Camp. 91 Comment
  CHSC38359  Helianthus bolanderi Vernon Oswald 1983-6-29 796 Butte Upper Bidwell Park, Chico, ca. 300 ft s of Upper Park Rd. and 1200 ft e of Parking Area N (Salmon Hole). 170 Comment
  CHSC38363  Holocarpha virgata subsp. virgata Vernon Oswald 1983-10-2 1048 Butte Upper Bidwell Park, Chico, on the north rim ca. 200 ft e of the head of the western intermittent stream which flows into Sycamore Creek. In the middle of the North Rim Trail. 304 Comment
  CHSC38364  Hypochaeris glabra Vernon Oswald 1983-3-31 234 Butte Upper Bidwell Park, Chico, ca. 300 ft n of Upper Park Rd. near Parking Area R (Yahi Trail to Brown's Hole); about 2.3 mi e of the power lines. 243 Comment
  CHSC38365  Lactuca saligna Vernon Oswald 1983-6-29 798 Butte Upper Bidwell Park, Chico, at the edge of Parking Area L at Diversion Dam. 121 Comment
  CHSC38366  Lactuca serriola Vernon Oswald 1983-6-27 773 Butte Upper Bidwell Park, Chico, near the n. boundary of the park in the depression w of the Easter Cross. 88 Comment
  CHSC38369  Lagophylla glandulosa Vernon Oswald 1983-5-31 586 Butte Upper Bidwell Park, Chico, beside Yahi Trail ca. 300 ft e of Day Camp. 91 Comment
  CHSC38373  Layia fremontii Vernon Oswald 1983-3-14 185 Butte Upper Bidwell Park, Chico, on the north rim about 2000 ft w of the power lines. Along the edge of a jeep trail. 188 Comment
  CHSC38374  Leontodon saxatilis subsp. saxatilis Vernon Oswald 1983-4-25 378 Butte Upper Bidwell Park, Chico, on the north rim at the head of the east intermittent stream feeding into Sycamore Creek. 365 Comment
  CHSC38376  Lessingia nemaclada Vernon Oswald 1983-10-2 1050 Butte Upper Bidwell Park, Chico, on the north rim about half way between the heads of the intermittent streams which flow into Sycamore Creek. 347 Comment
  CHSC38378  Madia elegans subsp. densifolia Vernon Oswald 1983-6-20 725 Butte Upper Bidwell Park, Chico, near the e end of Yahi Trail. Near Chico Creek. 207 Comment
  CHSC38379  Madia elegans subsp. vernalis Vernon Oswald 1983-4-25 382 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. Along the edge of a jeep trail. 359 Comment
  CHSC38380  Madia subspicata Vernon Oswald 1983-4-25 383 Butte Upper Bidwell Park, Chico, on the north rim at the level of the e end of Horseshoe Lake. 152 Comment
  CHSC38381  Matricaria discoidea Vernon Oswald 1983-3-14 176 Butte Upper Bidwell Park, Chico, on the north rim 2400 ft e of the power lines. Beside the North Rim Jeep Trail. 274 Comment
  CHSC38382  Micropus californicus var. californicus Vernon Oswald 1983-4-4 269 Butte Upper Bidwell Park, Chico, on the north rim ca. 2.0 mi e of the power lines. 390 Comment
  CHSC38383  Microseris acuminata Vernon Oswald 1983-4-4 270 Butte Upper Bidwell Park, Chico, on the north rim ca. 500 ft e of the power lines. 249 Comment
  CHSC38385  Uropappus lindleyi Vernon Oswald 1983-4-9 305 Butte Upper Bidwell Park, Chico, on the north rim ca. 0.6 mi e of the power lines. 274 Comment
  CHSC38387  Senecio vulgaris Vernon Oswald 1982-12-19 30 Butte Bidwell Park, Chico, on the north rim ca 1 mi e of the power lines. 335 Comment
  CHSC38388  Silybum marianum Vernon Oswald 1983-4-18 329 Butte Upper Bidwell Park, Chico, on the north slope w of Horseshoe Lake. Beside an old jeep trail. 109 Comment
  CHSC38391  Sonchus oleraceus Vernon Oswald 1983-5-21 512 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 152 Comment
  CHSC38392  Stephanomeria exigua subsp. macrocarpa Vernon Oswald 1983-7-3 801 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. 280 Comment
  CHSC38395  Wyethia angustifolia Vernon Oswald 1983-5-14 481 Butte Upper Bidwell Park, Chico, ca. 50 ft n of the trail on the north rim ca. 1.2 mi e of the power lines. 341 Comment
  CHSC38396  Xanthium strumarium Vernon Oswald 1983-8-19 1013 Butte Upper Bidwell Park, Chico, in Lindo Channel near the weir on the diversion channel. 79 Comment
  CHSC38397  Lonicera maackii Vernon Oswald 1983-5-2 408 Butte Upper Bidwell Park, along the N edge of Hooker Oak Recreation Area. Comment
  CHSC38398  Convolvulus arvensis Vernon Oswald 1983-6-7 652 Butte Upper Bidwell Park, Chico, on the edge of Upper Park Rd. at Diversion Dam. 121 Comment
  CHSC38403  Crassula aquatica Vernon Oswald 1983-5-11 466 Butte Upper Bidwell Park, Chico, along the n shore of Horseshoe Lake. 100 Comment
  CHSC38404  Crassula connata Vernon Oswald 1983-3-9 139 Butte Upper Bidwell Park, Chico, on north slope 1200 ft e of the power lines and 1600 ft n of Upper Park Rd. 182 Comment
  CHSC38405  Sedella pumila Vernon Oswald 1983-4-18 342 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 152 Comment
  CHSC38406  Dudleya cymosa subsp. cymosa Vernon Oswald 1983-4-25 394 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. 359 Comment
  CHSC38409  Turritis glabra Vernon Oswald 1983-4-24 359 Butte Upper Bidwell Park, Chico, on the north bank of Chico Creek 100 ft w of Parking Area H at Day Camp. 91 Comment
  CHSC38410  Athysanus pusillus Vernon Oswald 1983-2-14 76 Butte Upper Bidwell Park, Chico, ca. 100 ft n of Upper Park Rd. at about the level of Brown's Hole (2.8 mi e of the power lines). In an abandoned jeep trail. 237 Comment
  CHSC38411  Athysanus pusillus Vernon Oswald 1983-1-29 51 Butte Upper Bidwell Park, Chico, along the North Rim Trail at about the level of Horseshoe L. 140 Comment
  CHSC38412  Brassica rapa Vernon Oswald 1983-2-16 82 Butte Upper Bidwell Park, Chico, 50 ft s of Upper Park Rd. near Bare Hole (1.0 mi e of the power lines). 121 Comment
  CHSC38415  Capsella bursa-pastoris Vernon Oswald 1983-2-14 77 Butte Upper Bidwell Park, Chico, ca. 100 ft n of Upper Park Rd. at about the level of Brown's Hole (2.8 mi e of the power lines). In an abandoned jeep trail. 237 Comment
  CHSC38417  Caulanthus lasiophyllus Vernon Oswald 1983-3-6 124 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.3 mi e of the power lines. 341 Comment
  CHSC38418  Caulanthus lasiophyllus Vernon Oswald 1983-4-9 301 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.3 mi e of the power lines. 341 Comment
  CHSC38423  Rorippa nasturtium-aquaticum Vernon Oswald 1983-5-11 477 Butte Upper Bidwell Park, Chico, 300 ft s of Upper Park Rd. and 1400 ft e of Parking Area N (Salmon Hole). 182 Comment
  CHSC38424  Raphanus raphanistrum Vernon Oswald 1982-12-28 37 Butte Upper Bidwell Park, Chico, at the w end of Horseshoe Lake near Parking Area C. 97 Comment
  CHSC38426  Thysanocarpus curvipes Vernon Oswald 1983-3-13 157 Butte Upper Bidwell Park, Chico, on the north slope ca. 300 ft n of Upper Park Rd. and ca. 2.4 mi e of the power lines. 243 Comment
  CHSC38429  Thysanocarpus radians Vernon Oswald 1983-3-23 201 Butte Upper Bidwell Park, Chico, in the Omicron Enclosure (along the n park boundary 900 ft e of the jct. of Wildwood Ave. and Upper Park Rd.). 85 Comment
  CHSC38433  Bergia texana Vernon Oswald 1983-7-8 837 Butte Upper Bidwell Park, Chico, near Upper Park Rd. in the depression draining Horseshoe Lake. 97 Comment
  CHSC38434  Elatine brachysperma Vernon Oswald 1983-6-16 693 Butte Upper Bidwell Park, Chico in Horseshoe Lake. 100 Comment
  CHSC38436  Arctostaphylos viscida subsp. viscida Vernon Oswald 1983-2-14 70 Butte Upper Bidwell Park, Chico, on the S side of Upper Park Rd. just e of the intermittent stream located 0.8 mi E of the power lines. 115 Comment
  CHSC38439  Chamaesyce maculata Vernon Oswald 1983-6-27 768 Butte Upper Bidwell Park, Chico, at the Horse Arena. 79 Comment
  CHSC38440  Chamaesyce nutans Vernon Oswald 1983-7-8 844 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel near the flood-control weir. 79 Comment
  CHSC38441  Chamaesyce ocellata Vernon Oswald 1983-7-22 900 Butte Upper Bidwell Park, Chico, on the edge of Upper Park Rd. near the w entrance to Parking Area K (Bare Hole). 128 Comment
  CHSC38442  Chamaesyce serpillifolia subsp. serpillifolia Vernon Oswald 1983-6-24 757 Butte Upper Bidwell Park, Chico, in Lindo Channel near Five Mile Recreation Area. 79 Comment
  CHSC38445  Quercus kelloggii Vernon Oswald 1983-5-23 547 Butte Upper Bidwell Park, Chico, near Yahi Trail e of Brown's Hole. 207 Comment
  CHSC38446  Quercus douglasii Vernon Oswald 1983-5-21 514 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 152 Comment
  CHSC38447  Garrya fremontii Vernon Oswald 1983-2-16 80 Butte Upper Bidwell Park, Chico, near th e end of the strip of riparian woodland bordering the n edge of Hooker Oak Recreation Area. 80 Comment
  CHSC38448  Centaurium tenuiflorum Vernon Oswald 1983-6-7 643 Butte Upper Bidwell Park, Chico, ca. 400 ft n of Upper Park Rd. at Diversion Dam. 134 Comment
  CHSC38449  Zeltnera venusta Vernon Oswald 1983-5-30 576 Butte Upper Bidwell Park, Chico, on the north rim ca. 0.6 mi e of the power lines. 304 Comment
  CHSC38453  Geranium carolinianum Vernon Oswald 1983-4-20 352 Butte Upper Bidwell Park, Chico, on the north slope near the head of the intermittent stream which crosses Upper Park Rd. 0.8 mi e of the power lines. 182 Comment
  CHSC38454  Geranium dissectum Vernon Oswald 1983-4-20 351 Butte Upper Bidwell Park, Chico, on the north slope near the head of the intermittent stream which crossed Upper Park Rd. 0.8 mi e of the powerlines. 182 Comment
  CHSC38456  Aesculus californica Vernon Oswald 1983-5-21 519 Butte Upper Bidwell Park, Chico, on the north rim 3400 ft e of the power lines. 292 Comment
  CHSC38458  Eriodictyon californicum Vernon Oswald 1983-5-14 480 Butte Upper Bidwell Park, Chico, on the north rim ca. 1000 ft e of the power lines. 256 Comment
  CHSC38459  Nemophila heterophylla Vernon Oswald 1983-2-23 96 Butte Upper Bidwell Park, Chico, along Yahi Trail ca. 700 ft. e of Diversion Dam Parking Lot. 134 Comment
  CHSC38462  Nemophila pedunculata Vernon Oswald 1983-4-25 385 Butte Upper Bidwell Park, Chico, on the north rim ca 500 ft e of the power lines. 249 Comment
  CHSC38463  Phacelia cicutaria Vernon Oswald 1983-5-1 401 Butte Upper Bidwell Park, Chico, on the edge of the canyon rim overlooking Chico Creek ca. 400 ft w of Parking Area P which is located 2.0 mi e of the power lines. 198 Comment
  CHSC38464  Phacelia imbricata Vernon Oswald 1983-5-23 533 Butte Upper Bidwell Park, Chico, beside Yahi Trail w of Brown's Hole. 195 Comment
  CHSC38466  Phacelia egena Vernon Oswald 1983-3-31 242 Butte Upper Bidwell Park, Chico, near Yahi Trail ca. 500 ft w of Parking Area N (1.3 mi e of the power lines) at Salmon Hole. 146 Comment
  CHSC38469  Hypericum anagalloides Vernon Oswald 1983-8-19 1008 Butte Upper Bidwell Park, Chico, ca. 200 ft. n of Upper Park Rd. at Diversion Dam. 134 Comment
  CHSC38473  Marrubium vulgare Vernon Oswald 1983-5-2 420 Butte Upper Bidwell Park, Chico, along the s edge of the Golf Course. 91 Comment
  CHSC38474  Melissa officinalis Vernon Oswald 1983-7-15 871 Butte Upper Bidwell Park, Chico, beside the trail along the n side of Chico Creek ca. 0.2 mi e of the end of the pavement. 91 Comment
  CHSC38476  Mentha spicata Vernon Oswald 1983-7-22 894 Butte Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave. 85 Comment
  CHSC38479  Pogogyne zizyphoroides Vernon Oswald 1983-5-8 455 Butte Upper Bidwell Park, Chico, at the s-w corner of the Omicron Plot ca. 500 ft e of the junction of Wildwood Ave. and Upper Park Rd. 85 Comment
  CHSC38480  Prunella vulgaris var. lanceolata Vernon Oswald 1983-6-14 686 Butte Upper Bidwell Park, Chico, beside Yahi Trail e of Brown's Hole. 207 Comment
  CHSC38481  Scutellaria californica Vernon Oswald 1983-5-23 535 Butte Upper Bidwell Park, Chico, beside Yahi Trail w of Brown's Hole. 195 Comment
  CHSC38482  Scutellaria tuberosa Vernon Oswald 1983-3-14 183 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.8 mi e of the power lines. 350 Comment
  CHSC38484  Stachys stricta Vernon Oswald 1983-5-31 592 Butte Upper Bidwell Park, Chico, 1000 ft n of Upper Park Rd and 800 ft w of the power lines. 115 Comment
  CHSC38485  Trichostema lanceolatum Vernon Oswald 1983-8-9 973 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek ca. 300 ft upstream from Five Mile Recreation Area. 85 Comment
  CHSC38487  Umbellularia californica Vernon Oswald 1982-12-23 34 Butte Bidwell Park, Chico, along Yahi Trail ca 1600 ft e of Salmon Hole. 195 Comment
  CHSC38488  Albizia julibrissin Vernon Oswald 1983-6-13 671 Butte Upper Bidwell Park, Chico, along the n edge of the Hooker Oak Recreation Area. 80 Comment
  CHSC38492  Genista monspessulana Vernon Oswald 1983-5-2 407 Butte Upper Bidwell Park, Chico, between Chico Creek and the lawn of Hooker Oak Recreation Area. 80 Comment
  CHSC38495  Lathyrus latifolius Vernon Oswald 1983-5-23 532 Butte Upper Bidwell Park, Chico, on the N side of Chico Creek at Bear Hole (1.0 mi E of the power lines). 109 Comment
  CHSC38497  Lathyrus tingitanus Vernon Oswald 1983-5-15 496 Butte Upper Bidwell Park, Chico, on the s dike of Horseshoe Lake. 100 Comment
  CHSC38498  Lotus corniculatus Vernon Oswald 1983-6-2 601 Butte Upper Bidwell Park, Chico, near the east boundary of the park. 207 Comment
  CHSC38503  Acmispon wrangelianus Vernon Oswald 1983-4-25 384 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.5 mi e of the power lines. 353 Comment
  CHSC38504  Lupinus albifrons Vernon Oswald 1983-4-1 252 Butte Upper Bidwell Park, Chico, s of the creek and e of the footbridge near the 4th green of the Golf Course. 91 Comment
  CHSC38506  Lupinus microcarpus var. densiflorus Vernon Oswald 1983-5-4 425 Butte Upper Bidwell Park, Chico, beside Yahi Trail 500 ft e of Day Camp. 97 Comment
  CHSC38509  Lupinus nanus var. latifolius Vernon H. Oswald 1983-3-9 141 Butte Upper Bidwell Park, Chico, on the north slope near the head of the intermittent stream which crosses Upper Park Rd. 0.5 mi e of the power lines. 213 Comment
  CHSC38510  Lupinus nanus var. latifolius Vernon Oswald 1983-4-9 308 Butte Upper Bidwell Park, Chico, on the north rim at the head of the ravine n of the rifle range. 188 Comment
  CHSC38511  Lupinus nanus var. vallicola Vernon Oswald 1983-5-7 440 Butte Upper Bidwell Park, Chico, on the north rim 50 ft e of the turn-around at the end of the jeep trail. 426 Comment
  CHSC38512  Lupinus pachylobus Vernon Oswald 1983-3-13 166 Butte Upper Bidwell Park, Chico, ca. 100 ft s of Upper Park Rd. and 800 ft e of Parking Area N at Salmon Hole. 176 Comment
  CHSC38514  Lupinus polycarpus Vernon Oswald 1983-3-23 202 Butte Upper Bidwell Park, Chico, 50 ft e of the Omnicron Enclosure (near the n park boundary ca. 1000 ft e of the jct. of Wildwood Ave. and Upper Park Rd.). 86 Comment
  CHSC38515  Medicago arabica Vernon Oswald 1983-5-2 419 Butte Upper Bidwell Park, Chico, beside the dirt road which leads to the Police Pistol Range on the s edge of the Golf Course. 91 Comment
  CHSC38517  Medicago polymorpha Vernon Oswald 1983-4-4 261 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.0 mi e of the power lines. 335 Comment
  CHSC38518  Medicago polymorpha Vernon Oswald 1983-4-6 290 Butte Upper Bidwell Park, Chico, ca. 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines (between Parking Areas R and s). 256 Comment
  CHSC38523  Trifolium albopurpureum var. olivaceum Vernon Oswald 1983-4-9 311 Butte Upper Bidwell Park, Chico, on the north rim ca. 1500 ft w of the power lines. 207 Comment
  CHSC38524  Trifolium depauperatum var. amplectens Vernon Oswald 1983-4-9 306 Butte Upper Bidwell Park, Chico, on the north rim ca. 500 ft e of the power lines. 249 Comment
  CHSC38525  Trifolium ciliolatum Vernon Oswald 1983-4-18 335 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. 353 Comment
  CHSC38526  Trifolium depauperatum var. depauperatum Vernon Oswald 1983-3-9 137 Butte Upper Bidwell Park, Chico, on the north slope, ca. 800 ft w of the power lines and 1600 ft n of Upper Park Rd. 140 Comment
  CHSC38529  Trifolium repens Vernon Oswald 1983-6-2 606 Butte Upper Bidwell Park, Chico, along Yahi Trail e of Brown's Hole. 207 Comment
  CHSC38530  Trifolium subterraneum Vernon Oswald 1983-4-6 293 Butte Upper Bidwell Park, Chico, on Yahi Trail between Brown's Hole and the e end of the park. 195 Comment
  CHSC38532  Trifolium variegatum var. major Vernon Oswald 1983-3-31 240 Butte Upper Bidwell Park, Chico, near Yahi Trail and Parking Area M (1.2 mi e of the powerlines). 146 Comment
  CHSC38533  Vicia americana var. americana Vernon Oswald 1983-5-23 542 Butte Upper Bidwell Park, Chico, near Yahi Trail e of Brown's Hole. 207 Comment
  CHSC38534  Vicia sativa subsp. nigra Vernon Oswald 1983-4-24 363 Butte Upper Bidwell Park, Chico, on the north edge of Chico Creek 100 ft e of Parking Area H at Day Camp. 91 Comment
  CHSC38536  Vicia villosa subsp. varia Vernon Oswald 1983-4-9 296 Butte Upper Bidwell Park, Chico, 50 ft e of Rod and Gun Club. 103 Comment
  CHSC38539  Limnanthes douglasii subsp. rosea Vernon Oswald 1983-3-5 117 Butte Upper Bidwell Park, Chico, near the s-e corner of the Omicron Enclosure. 85 Comment
  CHSC38540  Mentzelia laevicaulis Vernon Oswald 1983-8-2 946 Butte Upper Bidwell Park, Chico, on the n side of Lindo Channel ca. 100 ft e of Manzanita Ave. 79 Comment
  CHSC38541  Arceuthobium occidentale Vernon Oswald 1983-6-9 664 Butte Upper Bidwell Park, Chico, near Alligator Hole. 91 Comment
  CHSC38542  Phoradendron serotinum subsp. macrophyllum Vernon Oswald 1983-4-24 362 Butte Upper Bidwell Park, Chico, on the n edge of Chico Creek ca. 300 ft. e of Parking Area H at Day Camp. 91 Comment
  CHSC38544  Ammannia coccinea Vernon Oswald 1983-7-8 838 Butte Upper Bidwell Park, Chico, near Upper Park Rd. in the depression draining Horseshoe Lake. 97 Comment
  CHSC38545  Rotala ramosior Vernon Oswald 1983-7-8 836 Butte Upper Bidwell Park, Chico, on the n side of Horseshoe Lake. 100 Comment
  CHSC38547  Hibiscus lasiocarpos var. occidentalis Vernon Oswald 1983-7-22 899 Butte Upper Bidwell Park, Chico, ca. 300 ft n of Upper Park Rd. at Parking Area L (Diversion Dam). 128 Comment
  CHSC38548  Malva neglecta Vernon Oswald 1983-5-11 475 Butte Upper Bidwell Park, Chico, along the w margin of the Golf Course s of the footbridge. 91 Comment
  CHSC38551  Sidalcea hartwegii Vernon Oswald 1983-4-18 345 Butte Upper Bidwell Park, Chico, on the north slope slightly e of Horseshoe Lake. 146 Comment
  CHSC38553  Sidalcea robusta Vernon Oswald 1983-5-21 517 Butte Upper Bidwell Park, Chico, on the north rim 1500 ft e of the power lines. 274 Comment
  CHSC38554  Malva nicaeensis Vernon Oswald 1983-4-25 366 Butte Upper Bidwell Park, Chico, at the edge of Parking Area C at the w end of Horseshoe Lake. 100 Comment
  CHSC38555  Cannabis sativa Vernon Oswald 1982-11-6 11 Butte Bidwell Park, Chico. Along the edge of the parking lot at Salmon Hole. 158 Comment
  CHSC38556  Ficus carica Vernon Oswald 1983-3-31 249 Butte Upper Bidwell Park, Chico, beside the trail near Chico Creek near the power lines. 91 Comment
  CHSC38559  Olea europaea Vernon Oswald 1983-5-27 569 Butte Upper Bidwell Park, Chico, along the South Rim Trail between the Golf Course and the power lines. 121 Comment
  CHSC38563  Epilobium pallidum Vernon Oswald 1983-5-25 554 Butte Upper Bidwell Park, Chico, 400 ft s of Upper Park Rd. and 1200 ft e of Salmon Hole Parking Area. 182 Comment
  CHSC38564  Epilobium torreyi Vernon Oswald 1983-5-30 577 Butte Upper Bidwell Park, Chico, on the north rim ca. 0.6 mi e of the power lines. 304 Comment
  CHSC38566  Clarkia purpurea subsp. quadrivulnera Vernon Oswald 1983-5-14 479 Butte Upper Bidwell Park, Chico, on the north rim ca. 1600 ft e of the power lines. 292 Comment
  CHSC38567  Clarkia rhomboidea Vernon Oswald 1983-5-21 518 Butte Upper Bidwell Park, Chico, on the north rim 1500 ft e of the power lines. 274 Comment
  CHSC38569  Epilobium ciliatum subsp. ciliatum Vernon Oswald 1983-6-29 797 Butte Upper Bidwell Park, Chico, on the n side of Upper Park Rd. near Parking Area L (Diversion Dam). 134 Comment
  CHSC38570  Epilobium ciliatum subsp. ciliatum Vernon Oswald 1983-6-14 679 Butte Upper Bidwell Park, Chico, near Diversion Dam Parking Area L. On seeps both n and s of the road. 134 Comment
  CHSC38572  Epilobium minutum Vernon Oswald 1983-5-14 484 Butte Upper Bidwell Park, Chico, on the north rim ca. 1800 ft w of the turn-around at the end of the jeep trail. 402 Comment
  CHSC38573  Epilobium minutum Vernon Oswald 1983-5-7 439 Butte Upper Bidwell Park, Chico, on the north rim 50 ft e of the turn-around at the end of the jeep trail. 426 Comment
  CHSC38574  Ludwigia palustris Vernon Oswald 1983-8-26 1029 Butte Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave. On the bed of Chico Creek. 85 Comment
  CHSC38576  Aphyllon purpureum Vernon Oswald 1983-3-16 191 Butte Upper Bidwell Park, Chico, ca. 100 ft n of South Rim Trail and 1000 ft w of the power lines. 128 Comment
  CHSC38579  Eschscholzia lobbii Vernon Oswald 1983-2-16 83 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.4 mi e of the power lines. 304 Comment
  CHSC38580  Meconella californica Vernon Oswald 1983-3-16 188 Butte Upper Bidwell Park, Chico, beside the South Rim Trail just e of the barbed-wire fence. 121 Comment
  CHSC38581  Plantago elongata Vernon Oswald 1983-3-14 174 Butte Upper Bidwell Park, Chico, along the hiking trail on the north slope ca. 1600 ft w of the power lines. 195 Comment
  CHSC38582  Plantago erecta Vernon Oswald 1983-2-23 97 Butte Upper Bidwell Park, Chico, near Yahi Trail ca 700 ft e of the Diversion Dam Parking Area. 134 Comment
  CHSC38585  Plantago virginica Vernon Oswald 1983-5-2 421 Butte Upper Bidwell Park, Chico, at the Police Pistol Range. 91 Comment
  CHSC38586  Plantago virginica Vernon Oswald 1983-5-11 470 Butte Upper Bidwell Park, Chico, at the Police Pistol Range on the s edge of the Golf Course. 97 Comment
  CHSC38587  Platanus racemosa Vernon Oswald 1983-7-13 867 Butte Upper Bidwell Park, Chico, at Five Mile Recreation Area. Growing near the creek in riparian woodland. 85 Comment
  CHSC38588  Platanus acerifolia Vernon Oswald 1983-7-21 889 Butte Upper Bidwell Park, Chico, at the n-e edge of the parking lot at the Horse Arena. 79 Comment
  CHSC38589  Collomia heterophylla Vernon Oswald 1983-4-17 328 Butte Upper Bidwell Park, Chico, beside the trail between Brown's Hole parking lot and the creek. 207 Comment
  CHSC38590  Collomia heterophylla Vernon Oswald 1983-5-15 494 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel near the diversion channel. 79 Comment
  CHSC38591  Gilia capitata subsp. pedemontana Vernon Oswald 1983-5-18 503 Butte Upper Bidwell Park, Chico, 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines. 243 Comment
  CHSC38592  Navarretia leptalea Vernon Oswald 1982-7-9 Butte Upper Bidwell Park, Chico, in Lindo Channel near the weir of the Diversion Channel. Along the edge of a pool. 79 Comment
  CHSC38593  Gilia tricolor Vernon Oswald 1983-3-9 145 Butte Upper Bidwell Park, Chico, on the north slope near the head of the intermittent stream which crosses Upper Park Rd. 0.5 mi e of the power lines. 213 Comment
  CHSC38595  Leptosiphon bicolor Vernon Oswald 1983-4-6 288 Butte Upper Bidwell Park, Chico, ca. 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines (between Parking Areas R and S). 256 Comment
  CHSC38597  Leptosiphon filipes Vernon Oswald 1983-5-7 442 Butte Upper Bidwell Park, Chico, on the north rim at the head of the east tributary of Sycamore Creek. 365 Comment
  CHSC38598  Microsteris gracilis Vernon Oswald 1983-3-4 106 Butte Upper Bidwell Park, Chico, on the n edge of Upper Park Rd. ca. 100 ft w of parking area P (2 mi e of the power lines). 207 Comment
  CHSC38603  Navarretia divaricata subsp. vividior Vernon Oswald 1983-5-30 578 Butte Upper Bidwell Park, Chico, on the north rim overlooking Sycamore Creek Canyon ca. 1.8 mi e of the power lines. 390 Comment
  CHSC38604  Navarretia pubescens Vernon Oswald 1983-5-22 530 Butte Upper Bidwell Park, Chico, along the n side of Horseshoe Lake. 100 Comment
  CHSC38605  Navarretia tagetina Vernon Oswald 1983-5-21 510 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 152 Comment
  CHSC38606  Navarretia viscidula Vernon Oswald 1983-6-5 636 Butte Upper Bidwell Park, Chico, on the North Rim Trail ca. 800 ft. w of its eastern terminus. 414 Comment
  CHSC38609  Chorizanthe stellulata Vernon Oswald 1983-5-14 489 Butte Upper Bidwell Park, Chico, on the north rim ca. 1600 ft e of the power lines. 274 Comment
  CHSC38610  Eriogonum nudum var. pubiflorum Vernon Oswald 1982-11-6 8 Butte Bidwell Park, Chico. Beside Yahi Trail ca. 800 ft e of Salmon Hole. 158 Comment
  CHSC38611  Eriogonum luteolum var. luteolum Vernon Oswald 1983-8-2 947 Butte Upper Bidwell Park, Chico, on the n side of Lindo Channel ca. 100 ft e of Manzanita Ave. 79 Comment
  CHSC38612  Polygonum aviculare Vernon Oswald 1983-5-31 596 Butte Upper Bidwell Park, Chico, at the Rifle and Trap Range. Gowing in hard, disturbed soil of the parking lot. 103 Comment
  CHSC38615  Polygonum californicum Vernon Oswald 1982-11-6 9 Butte Bidwell Park, Chico. 100 ft n of Upper Park Rd. 3.3 mi e of its junction with Wildwood Ave. Growing in gravel of abandoned roadbed in foothill woodland. 158 Comment
  CHSC38617  Persicaria hydropiper Vernon Oswald 1983-8-19 1012 Butte Upper Bidwell Park, Chico, in Lindo Channel ca. 100 ft upstream from the flood-control gates. 79 Comment
  CHSC38618  Persicaria lapathifolia Vernon Oswald 1983-6-27 760 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel near the diversion weir. 79 Comment
  CHSC38623  Rumex salicifolius var. denticulatus Vernon Oswald 1982-8-9 Butte Upper Bidwell Park, Chico, in Lindo Channel near Five Mile Recreation Area. 85 Comment
  CHSC38626  Rumex pulcher Vernon Oswald 1983-5-18 500 Butte Upper Bidwell Park, Chico, beside Yahi Trail 1200 ft e of Parking Area N (Salmon Hole). 170 Comment
  CHSC38629  Claytonia parviflora subsp. parviflora Vernon Oswald 1983-3-26 208 Butte Upper Bidwell Park, Chico, on the north rim ca. 0.5 mi e of the power lines. 286 Comment
  CHSC38633  Montia parvifolia Vernon Oswald 1983-4-24 360 Butte Upper Bidwell Park, Chico, near the north edge of Chico Creek 50 ft w of Parking Area H at Day Camp. 91 Comment
  CHSC38634  Anagallis arvensis Vernon Oswald 1983-4-6 289 Butte Upper Bidwell Park, chico, ca. 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines (between parking Areas R and S). 256 Comment
  CHSC38636  Ceanothus cuneatus var. cuneatus Vernon Oswald 1983-2-26 102 Butte Upper Bidwell Park, Chico, on the north slope at the level of the e end of Horseshoe Lake. 137 Comment
  CHSC38639  Rhamnus ilicifolia Vernon Oswald 1983-5-23 539 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. 500 ft e of Parking Area R (ca. 2.4 mi e of the power lines). Comment
  CHSC38640  Aphanes occidentalis Vernon Oswald 1983-3-7 133 Butte Upper Bidwell Park, Chico, beside the South Rim Trail ca. 0.1 mi. w of the power lines. 128 Comment
  CHSC38641  Cercocarpus betuloides var. betuloides Vernon Oswald 1983-3-13 154 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. near Devil's Kitchen (2.1 mi e of the power lines). 219 Comment
  CHSC38642  Crataegus monogyna Vernon Oswald 1983-4-6 287 Butte Upper Bidwell Park, Chico, on the s edge of Upper Park Rd. 0.3 mi e of the end of the pavement. 94 Comment
  CHSC38645  Potentilla glandulosa subsp. glandulosa Vernon Oswald 1983-5-11 472 Butte Upper Bidwell Park, Chico, along the dirt road leading to the Police Pistol Range. 91 Comment
  CHSC38646  Potentilla glandulosa subsp. glandulosa Vernon Oswald 1983-5-8 449 Butte Upper Bidwell Park, Chico, on the s bank of Lindo Channel ca. 200 ft downstream from Chico Creek. 79 Comment
  CHSC38647  Prunus dulcis Vernon Oswald 1983-3-5 113 Butte Upper Bidwell Park, Chico, between the Horse Arena and Lindo Channel. 79 Comment
  CHSC38648  Pyracantha fortuneana Vernon Oswald 1983-5-22 525 Butte Upper Bidwell Park, Chico, on the s bank of Lindo Channel between Five Mile Recreation Area and the flood-control gates. 79 Comment
  CHSC38649  Rosa californica Vernon Oswald 1983-6-2 600 Butte Upper Bidwell Park, Chico, near the east boundary of the park. On the bank of Chico Creek. 207 Comment
  CHSC38653  Cephalanthus occidentalis var. californicus Vernon Oswald 1983-6-20 717 Butte Upper Bidwell Park, Chico, 0.2 mi E of the end of the pavement on Upper Bidwell Rd. 91 Comment
  CHSC38654  Crucianella angustifolia Vernon Oswald 1983-6-2 599 Butte Upper Bidwell Park, Chico, along Yahi Trail W of Brown's Hole. 195 Comment
  CHSC38656  Galium bolanderi Vernon Oswald 1983-6-9 658 Butte Upper Bidwell Park, Chico, beside Yahi Trail W of Brown's Hole. 195 Comment
  CHSC38658  Galium parisiense Vernon Oswald 1983-5-21 515 Butte Upper Bidwell Park, Chico, on the north rim ca. 500 ft E of the power lines. 249 Comment
  CHSC38659  Galium porrigens var. tenue Vernon Oswald 1982-12-3 18 Butte Bidwell Park, Chico, beside road leading to Police Pistol Range. 85 Comment
  CHSC38662  Ptelea crenulata Vernon Oswald 1983-5-1 403 Butte Upper Bidwell Park, Chico, beside Yahi Trail ca. 2000 ft W of Brown's Hole. 170 Comment
  CHSC38663  Populus fremontii Vernon Oswald 1983-3-12 168 .5 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. ca. 0.2 mi e of the end of the pavement. 97 Comment
  CHSC38664  Populus fremontii Vernon Oswald 1983-5-4 431 Butte Upper Bidwell Park, Chico, at the base of the s dike of Horseshoe Lake. 96 Comment
  CHSC38666  Salix gooddingii Vernon Oswald 1983-5-4 432 Butte Upper Bidwell Park, Chico, along the top of the s dike of Horseshoe Lake. 100 Comment
  CHSC38669  Salix laevigata Vernon Oswald 1983-3-31 236 Butte Upper Bidwell Park, Chico, 300 ft s of Upper Park Rd. ca. 1200 ft e of Parking Area N at Salmon Hole (1.4 mi e of the power lines). 176 Comment
  CHSC38673  Heuchera micrantha var. erubescens Vernon Oswald 1983-5-2 418 Butte Upper Bidwell Park, Chico, along the dirt road beside Chico Creek which leads to the Police Pistol Range on s side of the Golf Course. 91 Comment
  CHSC38674  Lithophragma bolanderi Vernon Oswald 1983-3-13 163 Butte Upper Bidwell Park, Chico, beside Yahi Trail between Salmon Hole and Parking Area P (1.7 mi e of the power lines). 182 Comment
  CHSC38676  Philadelphus lewisii Vernon Oswald 1983-5-27 562 Butte Upper Bidwell Park, Chico, along the South Rim Trail between the Golf course and the power lines. 121 Comment
  CHSC38679  Micranthes fallax Vernon Oswald 1983-3-7 130 Butte Upper Bidwell Park, Chico, along the dirt road leading to the Police Pistol Range. 91 Comment
  CHSC38680  Micranthes integrifolia Vernon Oswald 1983-1-29 50 Butte Upper Bidwell Park, Chico, along North Rim Trail at about the level of Horseshoe Lake. 140 Comment
  CHSC38681  Antirrhinum vexillo-calyculatum subsp. intermedium Vernon Oswald 1983-6-9 660 Butte Upper Bidwell Park, Chico, ca. 100 ft n of Upper Park Rd. and 2.4 mi e of the power lines. 256 Comment
  CHSC38682  Antirrhinum cornutum Vernon Oswald 1983-7-3 803 Butte Upper Bidwell Park, Chico, on the rim overlooking Sycamore Creek Canyon ca. 200 ft w of the e end of the North Rim Trail. 390 Comment
  CHSC38684  Castilleja affinis subsp. affinis Vernon Oswald 1982-12-28 36 Butte Upper Bidwell Park, Chico, just below the north rim ca. 400 ft e of the power lines. 237 Comment
  CHSC38685  Collinsia heterophylla Vernon Oswald 1983-4-18 343 Butte Upper Bidwell Park, Chico, on the north rim ca. 2000 ft w of the power lines. 195 Comment
  CHSC38687  Collinsia sparsiflora var. bruceae Vernon Oswald 1983-3-7 136 Butte Upper Bidwell Park, Chico, near the South Rim Trail ca. 0.15 mi w of the power lines. 128 Comment
  CHSC38688  Collinsia tinctoria Vernon Oswald 1983-5-18 501 Butte Upper Bidwell Park, Chico, near Yahi Trail 1200 ft e of Parking Area N (Salmon Hole). 170 Comment
  CHSC38690  Diplacus grandiflorus Vernon Oswald 1983-5-23 545 Butte Upper Bidwell Park, Chico, near Chico Creek at the east end of Yahi Trail. On flood plain of creek. 207 Comment
  CHSC38691  Persicaria maculosa Vernon Oswald 1983-5-8 452 Butte Upper Bidwell Park, Chico, at the s-w corner of the Omicron Plot ca. 500 ft e of the junction of Wildwood Ave. and Upper Park Rd. 85 Comment
  CHSC38692  Keckiella breviflora var. glabrisepala Vernon Oswald 1983-5-18 502 Butte Upper Bidwell Park, Chico, near Yahi Trail 100 ft w of Parking Area P (2.0 mi e of the power lines). 195 Comment
  CHSC38695  Lindernia dubia var. anagallidea Vernon Oswald 1983-7-13 860 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek e of Five Mile Recreation Area. 85 Comment
  CHSC38697  Erythranthe cardinalis Vernon Oswald 1983-7-13 865 Butte Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave. 85 Comment
  CHSC38698  Diplacus douglasii Vernon Oswald 1983-2-16 84 Butte Upper Bidwell Park, Chico, on the north rim at the head of the ravine at the Rifle Range. 188 Comment
  CHSC38701  Erythranthe guttata Vernon Oswald 1983-6-3 625 Butte Upper Bidwell Park, Chico, in Lindo Channel near the diversion channel. 79 Comment
  CHSC38703  Diplacus kelloggii Vernon Oswald 1983-3-13 156 Butte Upper Bidwell Park, Chico, on the north slope ca. 300 ft n of Upper Park Rd. and ca. 2.4 mi e of the power lines. 243 Comment
  CHSC38704  Diplacus layneae Vernon Oswald 1983-6-11 667 Butte Upper Bidwell Park, Chico, in Lindo Channel near the diversion weir. 79 Comment
  CHSC38706  Mimulus moschatus Vernon Oswald 1983-6-2 614 Butte Upper Bidwell Park, Chico, 100 ft n of Upper Park Rd. at Diversion Dam. 128 Comment
  CHSC38709  Diplacus tricolor Vernon Oswald 1983-4-20 357 Butte Upper Bidwell Park, Chico, near the s-w corner of the Omicron Enclosure (near the n boundary of the park ca. 500 ft e of the junction of Upper Park Rd. and Wildwood Ave.) 85 Comment
  CHSC38710  Castilleja attenuata Vernon Oswald 1983-3-9 144 Butte Upper Bidwell Park, Chico, on the north slope near the head of the intermittent stream which crosses Upper Pard Rd. 0.5 mi e of the power lines. 213 Comment
  CHSC38711  Triphysaria eriantha subsp. eriantha Vernon Oswald 1983-2-16 85 Butte Upper Bidwell Park, Chico, on the north rim at the head of the ravine at the Rifle Range. 188 Comment
  CHSC38712  Castilleja lacera Vernon Oswald 1983-4-18 341 Butte Upper Bidwell Park, Chico, along the trail ca. 200 ft below (south of) the north rim at the power lines. 213 Comment
  CHSC38715  Scrophularia californica subsp. floribunda Vernon Oswald 1983-4-1 253 Butte Upper Bidwell Park, Chico, s of the creek and e of the footbridge near the 4th green of the Golf Course. 91 Comment
  CHSC38716  Verbascum blattaria Vernon Oswald 1983-5-25 552 Butte Upper Bidwell Park, Chico, 400 ft n of Upper Park Rd. at Diversion Dam. 134 Comment
  CHSC38717  Verbascum thapsus Vernon Oswald 1983-6-7 639 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek ca. 600 ft e of the footbridge at the golf course. 182 Comment
  CHSC38718  Veronica anagallis-aquatica Vernon Oswald 1983-6-3 624 Butte Upper Bidwell Park, Chico, in Lindo Channel near the diversion channel. 79 Comment
  CHSC38719  Veronica peregrina subsp. xalapensis Vernon Oswald 1983-5-8 453 Butte Upper Bidwell Park, Chico, at the s-w corner of the Omicron Plot ca. 500 ft e of the junction of Wildwood Ave. and Upper Park Rd. 85 Comment
  CHSC38723  Nicotiana quadrivalvis Vernon Oswald 1983-6-13 669 Butte Upper Bidwell Park, Chico, 100 ft s of the footbridge at the Golf Course. 91 Comment
  CHSC38724  Physalis lancifolia Vernon Oswald 1983-8-26 1027 Butte Upper Bidwell Park, Chico, in Lindo Channel at Five Mile Recreation Area. 85 Comment
  CHSC38726  Solanum parishii Vernon Oswald 1983-4-18 339 Butte Upper Bidwell Park, Chico, along the trail ca. 200 ft below (south of) the north rim at the power lines. 213 Comment
  CHSC38728  Celtis australis Vernon Oswald 1983-5-2 417 Butte Upper Bidwell Park, Chico, 30 ft s of the footbridge at the w edge of the Golf Course. 85 Comment
  CHSC38729  Anthriscus caucalis Vernon Oswald 1983-4-9 304 Butte Upper Bidwell Park, Chico, on the north rim ca. 0.6 mi e of the power lines. 274 Comment
  CHSC38733  Daucus pusillus Vernon Oswald 1983-5-7 446 Butte Upper Bidwell Park, Chico, on the north rim ca. 1600 ft e of the power lines. 274 Comment
  CHSC38734  Eryngium castrense Vernon Oswald 1983-5-8 456 Butte Upper Bidwell Park, Chico, at the s-w corner of the Omicron Plot ca. 500 ft e of the junction of Wildwood Ave. and Upper Park Rd. 85 Comment
  CHSC38736  Lomatium dasycarpum subsp. tomentosum Vernon Oswald 1983-3-13 164 Butte Upper Bidwell Park, Chico, beside Yahi Trail between Salmon Hole and Parking Area P (1.7 mi e of the power lines). 182 Comment
  CHSC38737  Lomatium caruifolium var. denticulatum Vernon Oswald 1983-3-26 210 Butte Upper Bidwell Park, Chico, in the grassy flat on the north side of Horseshoe Lake. 102 Comment
  CHSC38739  Lomatium utriculatum Vernon Oswald 1983-3-6 119 Butte Upper Bidwell Park, Chico, at Devil's Kitchen (2.1 mi e of the power lines). 219 Comment
  CHSC38740  Lomatium utriculatum Vernon Oswald 1983-3-7 131 Butte Upper Bidwell Park, Chico, beside the South Rim Trail at about the level of Alligator Hole (0.15 mi w of the power lines). 128 Comment
  CHSC38741  Lomatium utriculatum Vernon Oswald 1983-4-14 488 Butte Upper Bidwell Park, Chico, on the north rim ca. 3000 ft e of the power lines. 316 Comment
  CHSC38742  Perideridia oregana Vernon Oswald 1983-6-9 657 Butte Upper Bidwell Park, Chico, beside Yahi Trail w of Brown's Hole. 182 Comment
  CHSC38745  Sanicula bipinnatifida Vernon Oswald 1983-2-19 90 Butte Upper Bidwell Park, Chico, on the n edge of Upper Park Rd. near Parking Area P (2.0 mi e of the power lines). 207 Comment
  CHSC38746  Sanicula crassicaulis Vernon Oswald 1983-3-7 134 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek ca 300 ft e of the Golf Course. 91 Comment
  CHSC38747  Sanicula bipinnata Vernon Oswald 1983-2-23 99 Butte Upper Bidwell Park, Chico, on the north slope ca 1600 ft n of Upper Park Rd. and 300 ft w of the power lines. 152 Comment
  CHSC38748  Sanicula tuberosa Vernon Oswald 1983-4-4 258 Butte Upper Bidwell Park, Chico, on the north rim ca. 50 ft e of the turn-around at the end of the North Rim Trail. 414 Comment
  CHSC38749  Scandix pecten-veneris Vernon Oswald 1983-5-25 558 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. near Parking Area M (1.2 mi e of the power lines). 146 Comment
  CHSC38753  Plectritis ciliosa subsp. insignis Vernon Oswald 1983-3-14 172 Butte Upper Bidwell Park, Chico, rim near the head of the ravine at the Rifle Range. 188 Comment
  CHSC38754  Plectritis macrocera Vernon Oswald 1983-3-5 115 Butte Upper Bidwell Park, on the north rim at a level w of Horseshoe Lake. 128 Comment
  CHSC38756  Verbena lasiostachys var. scabrida Vernon Oswald 1983-6-3 627 Butte Upper Bidwell Park, Chico, in Lindo Channel near the diversion channel. 79 Comment
  CHSC38758  Tribulus terrestris Vernon Oswald 1983-6-27 771 Butte Upper Bidwell Park, Chico, at the Horse Arena. 79 Comment
  CHSC38759  Alisma triviale Vernon Oswald 1983-6-29 793 Butte Upper Bidwell Park, Chico, ca. 300 ft w of Day Camp. In a swampy oxbow of Chico Creek. 91 Comment
  CHSC38760  Echinodorus berteroi Vernon Oswald 1983-6-18 714 Butte Upper Bidwell Park, Chico, at Horseshoe Lake. Along the receding n shore of the lake. 100 Comment
  CHSC38762  Allium peninsulare var. peninsulare Vernon Oswald 1983-4-25 386 Butte Upper Bidwell Park, Chico, on the north rim ca 0.4 mi w of the power lines. 182 Comment
  CHSC38763  Brodiaea californica var. californica Vernon Oswald 1983-6-2 610 Butte Upper Bidwell Park, Chico, along Yahi Trail e of Brown's Hole. 207 Comment
  CHSC38764  Brodiaea californica var. californica Vernon Oswald 1983-5-9 460 Butte Upper Bidwell Park, Chico, ca. 1600 ft e of Parking Area N (Salmon Hole). 182 Comment
  CHSC38766  Brodiaea minor Vernon Oswald 1983-5-22 529 Butte Upper Bidwell Park, Chico, near the Omicron Enclosure (n boundary of the park 500 ft e of the junction of Upper Park Rd. and Wildwood Ave.). 85 Comment
  CHSC38769  Dichelostemma capitatum subsp. capitatum Vernon Oswald 1983-2-9 63 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 134 Comment
  CHSC38773  Narcissus pseudonarcissus Vernon Oswald 1983-2-14 69 Butte Upper Bidwell Park, Chico, about 50 ft e of Parking Area G (0.1 mi w of the power lines). 94 Comment
  CHSC38774  Triteleia bridgesii Vernon Oswald 1983-3-31 243 Butte Upper Bidwell Park, Chico, beside Yahi Trail ca. 400 ft e of Parking Area L at Diversion Dam (1.1 mi e of the power lines). 134 Comment
  CHSC38776  Triteleia laxa Vernon Oswald 1983-3-26 204 Butte Upper Bidwell Park, Chico, on the north slope w of Horseshoe Lake. 115 Comment
  CHSC38777  Triteleia lilacina Vernon Oswald 1983-4-4 272 Butte Upper Bidwell Park, Chico, on the north rim ca. 1200 w of the power lines. 213 Comment
  CHSC38779  Elytrigia pontica subsp. pontica Vernon Oswald 1983-6-20 723 Butte Upper Bidwell Park, Chico, ca. 200 ft s of Upper Park Rd. and 1200 ft e of Parking Area N at Salmon Hole. 182 Comment
  CHSC38780  Agrostis microphylla Vernon Oswald 1983-5-8 457 Butte Upper Bidwell Park, Chico, at the s-w corner of the Omicron Plot ca. 500 ft e of the junction of Wildwood Ave. and Upper Park Rd. 85 Comment
  CHSC38781  Agrostis stolonifera Vernon Oswald 1983-6-27 767 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel near the Diversion weir. 79 Comment
  CHSC38782  Aira caryophyllea Vernon Oswald 1983-3-6 123 Butte Upper Bidwell Park, Chico, on the north rim 2.7 mi e of the power lines. 341 Comment
  CHSC38784  Andropogon glomeratus var. scabriglumis Vernon Oswald 1982-10-22 1 Butte Bidwell Park, Chico. Near Diversion Dam ca. 50 ft s of Upper Park Rd ca. 3.1 mi e of its junction with Wildwood Ave. 121 Comment
  CHSC38785  Andropogon virginicus var. virginicus Vernon Oswald 1983-9-25 1047 Butte Upper Bidwell Park, Chico, in Lindo Channel just upstream from the flood-control gates. 79 Comment
  CHSC38787  Arundo donax Vernon Oswald 1983-10-8 1053 Butte Upper Bidwell Park, Chico, at the retaining wall at the east end of Centennial Ave. 85 Comment
  CHSC38788  Avena barbata Vernon Oswald 1982-12-19 29 Butte Bidwell Park, Chico, on the north rim ca 1 mi e of the power lines. 335 Comment
  CHSC38790  Brachypodium distachyon Vernon Oswald 1983-5-4 426 Butte Upper Bidwell Park, Chico, 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines. 243 Comment
  CHSC38791  Briza minor Vernon Oswald 1983-4-18 334 Butte Upper Bidwell Park, Chico, on the north rim ca.1000 ft w of the power lines. 213 Comment
  CHSC38792  Bromus carinatus var. carinatus Vernon Oswald 1983-4-20 350 Butte Upper Bidwell Park, Chico, at the water-gaging station w of Bear Hole. 97 Comment
  CHSC38795  Bromus laevipes Vernon Oswald 1983-5-7 438 Butte Upper Bidwell Park, Chico, on the north rim 50 ft e of the turn-around at the end of the jeep trail. 426 Comment
  CHSC38797  Bromus diandrus Vernon Oswald 1983-2-23 101 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. 0.2 mi w of the power lines. 97 Comment
  CHSC38798  Bromus racemosus Vernon Oswald 1983-4-9 314 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 152 Comment
  CHSC38800  Bromus catharticus Vernon Oswald 1983-6-13 677 Butte Upper Bidwell Park, Chico, along the n edge of the Hooker Oak Recreation Area. 80 Comment
  CHSC38801  Crypsis schoenoides Vernon Oswald 1983-7-21 888 Butte Upper Bidwell Park, Chico, in Lindo Channel neqar the flood-control gates. 79 Comment
  CHSC38802  Crypsis vaginiflora Vernon Oswald 1983-10-21 1076 Butte Upper Bidwell Park, Chico, on the dirt road between Upper Park Rd. and the Easter Cross. 91 Comment
  CHSC38803  Cynodon dactylon Vernon Oswald 1983-6-18 708 Butte Upper Bidwell Park, Chico, in Lindo Channel between Five Mile Recreation Area and the flood-control gates. 79 Comment
  CHSC38805  Dactylis glomerata Vernon Oswald 1982-5-23 Butte Upper Bidwell Park, Chico, near the east end of Yahi Trail. Near Chico Creek. 207 Comment
  CHSC38807  Deschampsia elongata Vernon Oswald 1983-6-14 687 Butte Upper Bidwell Park, Chico, beside Yahi Trail e of Brown's Hole. Near the creek. 207 Comment
  CHSC38808  Digitaria ischaemum Vernon Oswald 1983-9-17 1040 Butte Upper Bidwell Park, Chico, near Chico Creek ca. 0.2 mi e of the end of the pavement. 91 Comment
  CHSC38813  Echinochloa crus-galli Vernon Oswald 1983-7-8 842 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel near the flood-control weir. 79 Comment
  CHSC38814  Echinochloa crus-galli Vernon Oswald 1983-6-24 761 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel near the diversion weir. 79 Comment
  CHSC38816  Eleusine indica Vernon Oswald 1983-10-3 1051 Butte Upper Bidwell Park, Chico, at the north entrance to the parking lot at Hooker Oak Recreation Area. Roadside. 79 Comment
  CHSC38817  Elymus glaucus subsp. glaucus Vernon Oswald 1983-5-15 498 Butte Upper Bidwell Park, Chico, between Upper Park Rd. and Chico Creek near the end of the pavement. 91 Comment
  CHSC38819  Eragrostis cilianensis Vernon Oswald 1983-6-29 792 Butte Upper Bidwell Park, Chico, ca. 300 ft w of Day Camp. In the bed of an oxbow of Chico Creek. 91 Comment
  CHSC38820  Eragrostis pectinacea var. pectinacea Vernon Oswald 1983-6-18 710 Butte Upper Bidwell Park, Chico, in Lindo Channel at the diversion weir. 79 Comment
  CHSC38821  Gastridium phleoides Vernon Oswald 1983-5-14 491 Butte Upper Bidwell Park, Chico, 500 ft e of the power lines on the north rim. 249 Comment
  CHSC38822  Hordeum marinum subsp. gussoneanum Vernon Oswald 1983-4-18 332 Butte Upper Bidwell Park, Chico, on the north rim at a level approximately the e end of Horseshoe Lake. 152 Comment
  CHSC38825  Koeleria phleoides Vernon Oswald 1983-4-20 349 Butte Upper Bidwell Park, Chico, ca. 50 ft s of Chico Creek and 2000 ft e of the footbridge at the Golf Course (near the 4th green). Along a pathway. 91 Comment
  CHSC38827  Lolium multiflorum Vernon Oswald 1983-2-2 58 Butte Upper Bidwell Park, Chico, along Yahi Trail on the flat above Diversion Dam. 121 Comment
  CHSC38828  Melica californica Vernon Oswald 1983-7-3 802 Butte Upper Bidwell Park, Chico, on the rim overlooking Sycamore Creek Canyon ca. 2000 ft w of the e end of the North Rim Trail. 390 Comment
  CHSC38830  Melica torreyana Vernon Oswald 1983-3-7 135 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek ca. 300 ft e of the Golf Course. 91 Comment
  CHSC38831  Melica torreyana Vernon Oswald 1983-4-10 320 Butte Upper Bidwell Park, Chico, ca. 500 ft w of Day Camp. In bed of an old oxbow of Chico Creek. 91 Comment
  CHSC38832  Muhlenbergia filiformis Vernon Oswald 1983-6-3 629 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel between Five Mile Recreation Area and the flood-control gates. 79 Comment
  CHSC38835  Muhlenbergia rigens Vernon Oswald 1982-10-22 2 Butte Bidwell Park, Chico. Seep near Diversion Dam ca. 50 ft s of Upper Park Rd ca. 3.1 mi east of its junction with Wildwood Ave. 121 Comment
  CHSC38836  Panicum capillare Vernon Oswald 1983-8-9 972 Butte Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave. In the bed of Chico Creek. 85 Comment
  CHSC38837  Panicum dichotomiflorum Vernon Oswald 1983-8-19 1010 Butte Upper Bidwell Park, Chico, in Lindo Channel ca. 100 ft upstream from the flood-control gates. 79 Comment
  CHSC38838  Panicum acuminatum var. acuminatum Vernon Oswald 1983-5-31 587 Butte Upper Bidwell Park, Chico, on the n bank of Chico Creek ca. 200 ft e of Day Camp. 91 Comment
  CHSC38839  Paspalum dilatatum Vernon Oswald 1983-6-3 630 Butte Upper Bidwell Park, Chico, on the side of the access road on the w bank of the diversion channel near Lindo Channel. 83 Comment
  CHSC38843  Poa howellii Vernon Oswald 1983-3-31 232 Butte Upper Bidwell Park, Chico, ca. 300 ft n of Upper Park Rd. at about the level of Brown's Hole (2.6 mi e of the power lines). 243 Comment
  CHSC38844  Poa bulbosa Vernon Oswald 1983-3-31 231 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. ca. 50 ft. w of the w entrance to Parking Area S (Brown's Hole); about 2.6 mi e of the power lines. 243 Comment
  CHSC38846  Poa pratensis subsp. pratensis Vernon Oswald 1983-5-9 463 Butte Upper Bidwell Park, Chico, along the Yahi Trail where it follows the margin of Chico Creek e of Brown's Hole. 207 Comment
  CHSC38849  Poa secunda subsp. secunda Vernon Oswald 1983-3-13 150 Butte Upper Bidwell Park, Chico, 50 ft w of Parking Area M (between Diversion Dam and Salmon Hole). 140 Comment
  CHSC38850  Polypogon interruptus Vernon Oswald 1983-6-17 700 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek ca. 200 ft w of Day Camp. On ledge near creek. 91 Comment
  CHSC38851  Polypogon interruptus Vernon Oswald 1983-5-8 448 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel between Five-Mile Rec. Area and the flood-control gates. 79 Comment
  CHSC38852  Polypogon maritimus Vernon Oswald 1983-5-22 523 Butte Upper Bidwell Park, Chico, on the n side of Horseshoe Lake. 100 Comment
  CHSC38855  Setaria pumila Vernon Oswald 1983-7-8 840 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel near the flood-control weir. 79 Comment
  CHSC38858  Elymus multisetus Vernon Oswald 1983-5-25 555 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. near Parking Area R (2.3 mi e of the power lines). 231 Comment
  CHSC38860  Nassella pulchra Vernon Oswald 1983-4-9 298 Butte Upper Bidwell Park, Chico, at about the 500 ft level on the north slope 300 ft w of the power lines. Comment
  CHSC38861  Elymus caput-medusae Vernon Oswald 1983-3-30 226 Butte Upper Bidwell Park, Chico, between the s dike of Horseshoe Lake and Upper Park Rd. 97 Comment
  CHSC38862  Triticum aestivum Vernon Oswald 1982-4-6 Butte Upper Bidwell Park, Chico, along the edge of Upper Park Rd. near Bare Hole. Comment
  CHSC38864  Vulpia microstachys var. ciliata Vernon Oswald 1983-4-9 313 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 140 Comment
  CHSC38865  Vulpia microstachys var. confusa Vernon Oswald 1983-3-9 140 Butte Upper Bidwell Park, Chico, on the north slope 1200 ft e of the power lines and 1600 ft n of Upper Park Rd. 182 Comment
  CHSC38867  Vulpia myuros Vernon Oswald 1983-3-4 110 Butte Upper Bidwell Park, Chico, ca. 200 ft e of Parking Area P (2 mi e of the power lines). 207 Comment
  CHSC38868  Vulpia myuros Vernon Oswald 1983-2-14 78 Butte Upper Bidwell Park, Chico, beside Yahi Trail ca. 400 ft w of Salmon Hole. 146 Comment
  CHSC38870  Iris macrosiphon Vernon Oswald 1983-3-19 197 Butte Upper Bidwell Park, Chico, near Yahi Trail ca. 1000 ft. e of Brown's Hole. 219 Comment
  CHSC38871  Sisyrinchium bellum Vernon Oswald 1983-3-31 229 Butte Upper Bidwell Park, on the s side of Upper Park Rd. 300 ft w of Parking Area N (Salmon Hole). 152 Comment
  CHSC38872  Asparagus officinalis subsp. officinalis Vernon Oswald 1983-5-11 467 Butte Upper Bidwell Park, Chico, bordering the Golf Course s of Chico Creek and e of the footbridge. 91 Comment
  CHSC38875  Calochortus superbus Vernon Oswald 1983-5-18 505 .1 Butte Upper Bidwell Park, Chico, 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines. 243 Comment
  CHSC38876  Calochortus superbus Vernon Oswald 1983-5-18 505 Butte Upper Bidwell Park, Chico, 300 ft n of Upper Park Rd. and 2.4 mi e of the power line. 243 Comment
  CHSC38877  Chlorogalum pomeridianum var. pomeridianum Vernon Oswald 1983-6-20 726 Butte Upper Bidwell park, Chico, along Yahi Trail e of Brown's Hole. 198 Comment
  CHSC38878  Erythronium multiscapideum Vernon Oswald 1983-3-13 158 Butte Upper Bidwell Park, Chico, 100 ft. s of Upper Park Rd. at the w entrance to Brown's Hole (2.6 mi e of the power lines). 231 Comment
  CHSC38879  Fritillaria affinis Vernon Oswald 1983-2-9 61 Butte Upper Bidwell Park, Chico, beside the North Rim Trail ca. 1.4 mi e of the power lines. 353 Comment
  CHSC38880  Fritillaria recurva Vernon Oswald 1983-3-6 121 Butte Upper Bidwell Park, Chico, ca. 50 ft w of the w entrance to Parking Area S (Brown's Hole). 231 Comment
  CHSC38882  Odontostomum hartwegii Vernon Oswald 1983-4-25 392 Butte Upper Bidwell Park, Chico, on the north slope of Horseshoe Lake. 109 Comment
  CHSC38883  Smilax californica Vernon Oswald 1983-5-11 468 Butte Upper Bidwell Park, Chico, bordering the golf course s of Chico Creek and e of the footbridge. 91 Comment
  CHSC38884  Toxicoscordion fremontii Vernon Oswald 1983-2-23 100 Butte Upper Bidwell Park, Chico, at the n-w corner of Horseshoe Lake. 100 Comment
  CHSC38886  Najas gracillima Vernon Oswald 1983-7-21 893 Butte Upper Bidwell Park, Chico, along the n edge of Horseshoe Lake. 100 Comment
  CHSC38889  Potamogeton diversifolius Vernon Oswald 1983-6-3 617 Butte Upper Bidwell Park, Chico, at Horseshoe Lake. 100 Comment
  CHSC38893  Spiranthes porrifolia Vernon Oswald 1983-6-9 654 Butte Upper Bidwell Park, Chico, 400 ft s of Upper Park Rd. and 1400 ft e of Salmon Hole Parking Area. 182 Comment
  CHSC38894  Carex barbarae Vernon Oswald 1983-4-6 295 Butte Upper Bidwell Park, Chico, on Yahi Trail between Brown's Hole and the e end of the park. Growing on a rocky slope near Chico Creek. 198 Comment
  CHSC38896  Carex feta Vernon Oswald 1983-5-27 566 Butte Upper Bidwell Park, Chico, below the South Rim Trail between the Golf Course and the power lines. 121 Comment
  CHSC38899  Cyperus difformis Vernon Oswald 1983-7-8 839 Butte Upper Bidwell Park, Chico, in the bed of Lindo Channel n of the flood-control gates. 79 Comment
  CHSC38900  Cyperus eragrostis Vernon Oswald 1983-6-11 665 Butte Upper Bidwell Park, Chico, in Lindo Channel between Five Mile Recreation Area and the flood-control gates. 79 Comment
  CHSC38901  Cyperus niger Vernon Oswald 1983-6-7 649 Butte Upper Bidwell Park, Chico, on the north slope near the head of the stream which crosses Upper Park Rd. 0.5 mi e of the power lines. 198 Comment
  CHSC38902  Cyperus strigosus Vernon Oswald 1983-6-20 724 Butte Upper Bidwell Park, Chico, ca. 200 ft s of Upper Park Rd. and 1200 ft e of Parking Area N at Salmon Hole. 182 Comment
  CHSC38904  Eleocharis atropurpurea Vernon Oswald 1983-7-21 891 Butte Upper Bidwell Park, Chico, along the edge of Horseshoe Lake. 100 Comment
  CHSC38905  Eleocharis engelmannii Vernon Oswald 1983-6-27 775 Butte Upper Bidwell Park, Chico, at Horseshoe Lake. 100 Comment
  CHSC38907  Eleocharis parishii Vernon Oswald 1983-4-9 299 Butte Upper Bidwell Park, Chico, on the north slope ca. 800 ft w of the power lines and 1000 ft n of Upper Park Rd. 115 Comment
  CHSC38908  Eleocharis acicularis var. occidentalis Vernon Oswald 1983-7-21 890 Butte Upper Bidwell Park, Chico, along the n-w edge of Horseshoe Lake. 100 Comment
  CHSC38913  Scirpus diffusus Vernon Oswald 1983-5-23 548 Butte Upper Bidwell Park, Chico, on the n bank of Chico Creek e of Brown's Hole. 201 Comment
  CHSC38914  Scirpus microcarpus Vernon Oswald 1983-5-27 570 Butte Upper Bidwell Park, Chico, at the base of the retaining wall along Chico Creek at the e end of Centennial Ave. 85 Comment
  CHSC38916  Juncus bufonius var. bufonius Vernon Oswald 1983-4-9 312 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 140 Comment
  CHSC38918  Juncus bufonius var. congestus Vernon Oswald 1983-6-7 648 Butte Upper Bidwell Park, Chico, on the north slope near the head of the stream which crosses Upper Park Rd. 0.5 mi e of the power lines. 198 Comment
  CHSC38919  Juncus capitatus Vernon Oswald 1982-4-26 Butte Upper Bidwell Park, Chico, on the north slope near the head of the stream which crosses Upper Park Rd. 0.5 mi e of the power lines. 198 Comment
  CHSC38920  Juncus effusus subsp. pacificus Vernon Oswald 1983-5-27 571 Butte Upper Bidwell Park, Chico near the retaining wall along Chico Creek at the e end of Centennial Ave. In bed of the creek. 85 Comment
  CHSC38921  Juncus ensifolius Vernon Oswald 1983-6-24 765 Butte Upper Bidwell Park, Chico, near the retaining wall at the e end of Centennial Ave. 85 Comment
  CHSC38922  Juncus oxymeris Vernon Oswald 1983-5-25 556 Butte Upper Bidwell Park, Chico, 400 ft s of Upper Park Rd. and 1200 ft e of Salmon Hole Parking Area. 182 Comment
  CHSC38925  Juncus uncialis Vernon Oswald 1983-5-15 499 Butte Upper Bidwell Park, Chico, at the s-w corner of the Omicron Enclosure (500 ft e of the junction of Upper Park Rd. and Wildwood Ave. In vernal pond. 85 Comment
  CHSC38926  Luzula macrantha Vernon Oswald 1983-4-6 293 Butte Upper Bidwell Park, Chico, on Yahi Trail between Brown's Hole and the e end of the park. In a steamlet at the bottom of a slope bordering Chico Creek. 198 Comment
  CHSC38927  Fimbristylis autumnalis Vernon Oswald 1983-7-25 911 Butte Bidwell State Park, w of the parking area at the boat ramp, River Rd. near the washout. Comment
  CHSC38928  Colutea arborescens Vernon Oswald 1983-5-30 582 Butte Upper Bidwell Park, Chico, at the bridge over the diversion channel on Wildwood Ave. 82 Comment
  CHSC38929  Prunus cerasifera Vernon Oswald 1983-3-4 105 Butte Collected in an almond orchard at the s-e corner of Alamo and East Avenues, Chico. Comment
  CHSC38930  Prunus cerasifera Vernon Oswald 1983-2-23 93 Butte Upper Bidwell Park, Chico, at the Salmon Hole Parking Area (1.4 mi e of the power lines). Along an intermittent stream. 158 Comment
  CHSC38931  Prunus cerasifera Vernon Oswald 1983-6-27 777 Butte Upper Bidwell Park, Chico, on the n edge of Upper Park Rd. 0.2 mi e of the end of the pavement. 91 Comment
  CHSC39584  Carex multicaulis Vernon Oswald 1984-5-25 1208 Butte Upper Bidwell Park, Chico, about 1000 ft w of the e end of Yahi Trail. On an elevated bank near Chico Creek. 207 Comment
  CHSC40222  Perideridia bolanderi subsp. bolanderi Vernon Oswald 1985-6-20 1852 Butte Scotts John Rd., 0.9 mi n of Rd. 26N27, ca. 2.5 air miles ene of Jonesville. 1780 Comment
  CHSC40223  Perideridia bolanderi subsp. bolanderi Vernon Oswald 1984-7-2 1341 Butte Humbug Rd. 0.3 mi s-w of Humbug Summit. 2023 Comment
  CHSC40224  Perideridia bolanderi subsp. bolanderi Vernon Oswald 1985-6-20 1848 Butte Scotts John Rd., 0.6 mi n of 26N27, ca. 2.25 air miles e of Jonesville. 1755 Comment
  CHSC40229  Perideridia kelloggii Vernon Oswald 1985-6-6 1815 Butte Humbug Rd. 0.9 mi n of Centerville Flume. 414 Comment
  CHSC40231  Perideridia lemmonii Vernon Oswald 1985-7-15 1904 Butte Concow Meadow Located ca. 0.1 mi w of Concow Rd. at a point 1.4 mi n of Ponderosa Way or Rim Rd. 1097 Comment
  CHSC40233  Perideridia lemmonii Vernon Oswald 1985-6-20 1850 Butte Scotts John Rd., 0.9 mi n of Rd. 26N27, ca. 2.5 air miles ene of Jonesville. 1780 Comment
  CHSC40234  Perideridia lemmonii Vernon Oswald 1985-6-15 1836 Butte Black Bart Rd., ca. 1.5 mi se of Lumpkin Rd. 655 Comment
  CHSC40236  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-2 1880 Butte Scotts John Rd. 0.9 mi n of the road connecting Humboldt and Humbug Rds. 1780 Comment
  CHSC40239  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-11 1897 a Butte Coon Hollow Rd. ca. 0.2 mi e of Humbug Rd at the W. Branch of the Feather R. 1615 Comment
  CHSC40240  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-11 1896 Butte Chaparral Guard Station on Humbug Rd. 2.0 mi sw of Philbrook Rd. Near a creek on the s side of the road. 1463 Comment
  CHSC40241  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-11 1898 Butte Philbrook Rd. ca. 0.1 mi e of Humbug Rd. at the road leading to W. Branch Camp. 1463 Comment
  CHSC40242  Perideridia parishii subsp. latifolia Vernon Oswald 1985-6-20 1857 Butte North end of Snag Lake. 1706 Comment
  CHSC40243  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-2 1881 Butte Near the road connecting Humboldt and Humbug Rds. 0.3 mi e of Scotts John Creek. 1737 Comment
  CHSC42563  Angelica breweri Vernon Oswald 1983-8-17 991 Butte Trail between Humboldt Summit and Humboldt Peak, n-e of Jonesville. 2023 Comment
  CHSC42565  Angelica californica Vernon Oswald 1985-7-15 1902 Butte Ponderosa way (Rim Rd.) 3.1 mi n of Hwy 70 at Jarbo Gap. 853 Comment
  CHSC42566  Angelica californica Vernon Oswald 1985-7-15 1902 Butte Ponderosa Way (Rim Rd.) 3.1 mi n of Hwy 70 at Jarbo Gap. 853 Comment
  CHSC42569  Angelica californica Vernon Oswald 1985-6-6 1813 Butte Near Centerville Flume 0.5 mi downstream from its crossing on Humbug Rd. 341 Comment
  CHSC42576  Cicuta douglasii Vernon Oswald 1985-7-15 1901 Butte N. Fork of Feather R. at Cresta Rest Area on Hwy 70 0.3 mi s of Arch Rock Tunnel 457 Comment
  CHSC42578  Daucus carota Vernon Oswald 1985-5-20 1764 Butte Lower Hgoncut Rd. 0.1 mi e of N. Honcut Creek. Comment
  CHSC42580  Foeniculum vulgare Vernon Oswald 1985-7-5 1883 Butte Hwy 32 nw of Chico at the Mud Creek Diversion Channel. 44 Comment
  CHSC42581  Heracleum lanatum Vernon Oswald 1985-6-3 1803 Butte Near Willow Creek Bridge on Hubmboldt Rd. ca. 1 mi w of Jonesville. 1487 Comment
  CHSC42582  Heracleum lanatum Vernon Oswald 1985-6-3 1803 Butte Near Willow Creek Bridge on Hubmboldt Rd. ca. 1 mi w of Jonesville. 1487 Comment
  CHSC42583  Hydrocotyle umbellata Vernon Oswald 1985-6-26 1865 Butte Oroville Wildlife Area ca. 0.6 mi s of the Hwy 162 entrance. 36 Comment
  CHSC42585  Ligusticum californicum Vernon Oswald 1985-6-30 1871 Butte Cohasset Rd. 0.7 mi n of KHSL transmission tower. 1109 Comment
  CHSC42588  Ligusticum grayi Vernon Oswald 1985-6-20 1849 Butte Scotts John Rd., 0.6 mi n of Rd. 26N27, ca. 2.25 air miles e of Jonesville. 1755 Comment
  CHSC42590  Ligusticum grayi Vernon Oswald 1985-7-2 1879 Butte Scotts John Rd. 0.6 mi n of the road connecting Humboldt and Humbug Rds. 1780 Comment
  CHSC42591  Ligusticum grayi Vernon Oswald 1985-6-20 1858 Butte Near Humbug Rd. at the n end of Snag Lake. 1706 Comment
  CHSC42592  Ligusticum grayi Vernon Oswald 1985-8-4 1922 Butte Scotts John Rd. 0.9 mi n of the road connecting Humboldt and Humbug Rds. 1780 Comment
  CHSC42598  Lomatium caruifolium var. denticulatum Vernon Oswald 1985-3-4 1683 Butte Chico Municipal Airport near the e end of Piper Ave. 80 Comment
  CHSC42599  Lomatium caruifolium var. denticulatum Vernon Oswald 1985-4-30 1735 Butte Chico Municipal Airport near the e end of Piper Ave. 82 Comment
  CHSC42604  Lomatium dasycarpum subsp. tomentosum Vernon Oswald 1985-4-28 1724 Butte Upper Bidwell Park, Chico, 100 ft w of Parking Area P. (between Salmon Hole and Devil's Kitchen). 207 Comment
  CHSC42609  Lomatium dissectum var. multifidum Vernon Oswald 1985-5-13 1757 Butte On the W side of Hwy 32 at Crown Pt. Rd. 597 Comment
  CHSC42610  Lomatium dissectum var. multifidum Vernon Oswald 1985-5-13 1757 Butte On the W side of Hwy 32 at Crown Pt. Rd. 597 Comment
  CHSC42623  Lomatium marginatum var. marginatum Vernon Oswald 1985-6-15 1835 Butte Black Bart Rd. ca. 1 mi se of Lampkin Rd. 640 Comment
  CHSC42624  Lomatium marginatum var. marginatum Vernon Oswald 1985-4-3 1695 Butte Concow Rd. n of Lake Concow. 792 Comment
  CHSC42636  Osmorhiza chilensis Vernon Oswald 1984-6-11 1272 Butte Humboldt Rd. to Butte Meadows, 2.0 mi n-e of its jct. with Hwy 32. 1380 Comment
  CHSC42640  Osmorhiza occidentalis Vernon Oswald 1985-7-21 1908 Butte Jones Meadow Rd. ca. 0.1 mi s of its jct. with the dirt road coming in from Inskeep, ca. 0.7 air mi wnw of Jones Meadow Lake. 1737 Comment
  CHSC42642  Oxypolis occidentalis Vernon Oswald 1985-8-4 1925 Butte Slightly w of the Skyway 1.4 mi s of Inskeep. 1424 Comment
  CHSC42643  Oxypolis occidentalis Vernon Oswald 1985-8-28 1931 Butte Ca. 0.2 mi w of Humboldt Rd. at the bridge over Butte Creek s of Cherry Hill. 1414 Comment
  CHSC42645  Perideridia bacigalupii Vernon Oswald 1985-9-5 1938 Butte Black Bart Rd. 2.1 mi se of its western junction with Forbestown Rd. 662 Comment
  CHSC42669  Sanicula tuberosa Vernon Oswald 1985-6-17 1841 Butte Beside a logging road 0.1 mi e of the trailhead to Feather Falls. 768 Comment
  CHSC42671  Sanicula tuberosa Vernon Oswald 1985-1-24 1680 Butte Upper Bidwell Park, Chico, on the north rim just e of the head of the west intermittent stream flowing into Sycamore Creek. 304 Comment
  CHSC42674  Sanicula tuberosa Vernon Oswald 1985-4-3 1699 Butte Concow Rd. n of L. Concow. 975 Comment
  CHSC42676  Sphenosciadium capitellatum Vernon Oswald 1985-8-4 1920 Butte Ca. 0.2 mi W of Humboldt Rd. at the bridge over Butte Creek S of Cherry Hill. 1414 Comment
  CHSC42679  Tauschia hartwegii Vernon Oswald 1985-6-3 1802 Butte West of Hwy 32 at Crown Pt. Rd. 548 Comment
  CHSC42680  Tauschia kelloggii Vernon Oswald 1985-4-29 1730 Butte Bald Rock Rd. 0.3 mi ne of the frailhead to Big Bald Rock. 975 Comment
  CHSC42681  Tauschia kelloggii Vernon Oswald 1985-6-30 1869 Butte Cohasset Rd. 0.2 mi n of KHSL transmission tower. 1079 Comment
  CHSC42682  Torilis arvensis subsp. arvensis Vernon Oswald 1985-6-24 1863 Butte Doe Mill Rd. 0.4 mi w of Butte Creek. 682 Comment
  CHSC42685  Torilis arvensis subsp. purpurea Vernon Oswald 1985-5-28 1781 Butte Service road leading to Bidwell Bar Bridge and joining Oroville-Quincy hwy 0.2 mi s of the bridge. 304 Comment
  CHSC42687  Hibiscus lasiocarpos var. occidentalis Vernon Oswald 1987-8-17 3221 Butte Rancho Aguas Frias. Nelson-Blavo Hwy 3 mi w of Nelson. 36 Comment
  CHSC42688  Eriophorum gracile Vernon Oswald 1987-9-1 3230 Butte Chico Meadows, ca. 1 mi n of Butte Meadows. Marshy seep near the edge of the 'swimming hole' at the Boy Scout Camp. 1280 Comment
  CHSC42694  Stellaria umbellata Vernon Oswald; Lowell Ahart 1987-7-1 3047 Butte Scotts John Rd. at 'Big Rock Meadow,' 1.0 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. In a small meadow. 1780 Comment
  CHSC42695  Eremogone congesta var. congesta Vernon Oswald; Lowell Ahart 1987-7-1 3054 Butte Scotts John Rd. 1.3 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. On the w side of Scotts John Creek. 1828 Comment
  CHSC43572  Isoetes nuttallii Vernon Oswald 1984-2-22 1083 Butte Upper Bidwell Park, Chico, ca. 100 ft n of Upper Park Rd. at Diversion Dam. 134 Comment
  CHSC43577  Cryptogramma acrostichoides Vernon Oswald; Lowell Ahart 1987-8-5 3179 Butte Near Humboldt Peak. 2151 Comment
  CHSC43578  Acer circinatum Vernon Oswald 1987-6-4 2951 Butte East side of Paradise Reservoir about 500 ft ne of the Picnic Area. 777 Comment
  CHSC43580  Acer glabrum var. torreyi Vernon Oswald 1983-7-6 826 Butte Beside Humboldt Rd. 3.4 mi NE of Butte Meadows. Growing near Butte Creek in yellow pine forest. 1432 Comment
  CHSC43583  Amaranthus rudis Vernon Oswald 1983-10-10 1061 Butte Bidwell State Park on the e bank of the Sacramento R. w of Chico. Between the parking lot at the boat ramp and the river. Comment
  CHSC43584  Amaranthus rudis Vernon Oswald 1987-6-12 2990 Butte East side of Sacramento River just n of Golden State Island (perhaps technically in Glenn County because of shifting channel). 33 Comment
  CHSC43586  Pistacia atlantica Vernon Oswald 1987-4-29 2358 Butte Chico Tree improvement Center (former USDA Plant Introduction Station ) in se Chico. 68 Comment
  CHSC43596  Ambrosia artemisiifolia Vernon Oswald 1987-8-24 3223 Butte Skyway 0.4 mi SW of Toadtown (between DeSabla and Lovelock). 841 Comment
  CHSC43599  Aster radulinus Vernon H. Oswald 1986-8-7 2276 Butte Northeast edge of Paradise Lake, ca. 1 mi N of the picnic area. 780 Comment
  CHSC43600  Dysphania multifida Vernon Oswald 1983-10-10 1057 Butte City of Chico Sewage Treatment Plant on Chico River Rd., 1/4 mi w of its jct with Alberton Ave. Comment
  CHSC43601  Azolla filiculoides Vernon Oswald 1987-4-30 2361 Butte Butte Creek Reserve on the s side of Butte Creek, ne of the Skyway. 80 Comment
  CHSC43612  Helianthus annuus Vernon Oswald 1985-5-1 1739 Butte Upper Bidwell Park, Chico, at Diversion Dam (Parking Area L). Edge of the road. 128 Comment
  CHSC43614  Helianthus annuus Vernon Oswald 1987-7-23 3150 Butte W side of Hwy 99, 0.7 mi se of the Butte-Tehama county line. Along edge of roadside ditch. 60 Comment
  CHSC43620  Madia citriodora Vernon Oswald 1985-5-1 1738 Butte Upper Bidwell Park, Chico, on the slope bordering the s side of the Golf Course at the Police Pistol Range. 109 Comment
  CHSC43621  Madia exigua Vernon Oswald 1984-5-23 1200 Butte Beside the dirt road leading to the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 487 Comment
  CHSC43622  Madia gracilis Vernon Oswald 1985-6-2 1796 Butte Upper Bidwell Park, Chico, along Upper Park Rd. between the east and west entrance to Parking Area S at Brown's Hole. At the edge of the road where it cuts through a brush- covered slope. 231 Comment
  CHSC43623  Madia gracilis Vernon Oswald 1985-5-28 1780 Butte Service road leading to Bidwell Bar Bridge and joining Oroville-Quincy Hwy 0.2 mi s of the bridge. 304 Comment
  CHSC43625  Madia subspicata Vernon Oswald 1985-5-1 1736 Butte Upper Bidwell Park, Chico, along Yahi Trail just e of Parking Area R. 228 Comment
  CHSC43627  Microseris nutans Vernon Oswald 1984-6-11 1277 Butte Humboldt Rd. to Butte Meadows, 2.0 mi n-e of its jct. with Hwy 32. 1380 Comment
  CHSC43628  Psilocarphus brevissimus var. brevissimus Vernon Oswald 1987-6-23 3031 Butte High Lakes Rd. 5.8 mi (odometer) n of Philbrook Rd. 1889 Comment
  CHSC43630  Rafinesquia californica Vernon Oswald 1985-5-1 1737 Butte Upper Bidwell Park, Chico, along Yahi Trail just e of Parking Area R. 228 Comment
  CHSC43632  Rudbeckia occidentalis var. occidentalis Vernon Oswald 1987-7-16 3127 Butte West Branch of Feather River upstream of where it crosses the road to Jones Meadow, ca. 1 mi (air) ne of Inskip. 1341 Comment
  CHSC43637  Soliva sessilis Vernon Oswald 1985-4-28 1725 Butte Upper Bidwell Park, Chico, at Parking Area P (between Salmon Hole and Devil's Kitchen). 207 Comment
  CHSC43638  Xanthium spinosum Vernon Oswald 1985-9-1 1934 Butte Sewer Treatment Plant on Chico River Rd. ca. 4 mi w of Chico. Top of a levee. 41 Comment
  CHSC43649  Cardamine breweri var. breweri Vernon Oswald 1985-5-14 1758 Butte Near Doon Camp on the Skyway e of Lovelock. Near a tributary of the Little West Fork of the Feather River. 853 Comment
  CHSC43655  Cucurbita foetidissima Vernon Oswald 1984-8-20 1652 Butte Midway Rd. at Butte Creek s of Durham. 45 Comment
  CHSC43657  Dipsacus fullonum Vernon Oswald 1987-7-23 3149 Butte W side of Hwy 99 at the Butte-Tehama county line. 59 Comment
  CHSC43658  Scabiosa atropurpurea Vernon Oswald 1983-7-24 907 Butte Boat ramp, Bidwell State Park, on River Rd. w of Chico near the washout. Comment
  CHSC43660  Sapium sebiferum Vernon Oswald 1987-8-15 3220 Butte Butte Creek Reserve, on the n side of Butte Creek e of the Skyway, e of Chico. On the edge of the creek. 73 Comment
  CHSC43661  Astragalus pauperculus Vernon Oswald 1985-3-30 1688 Butte Upper Bidwell Park, Chico, near the 3rd tower n of Upper Park Rd. of the transmission line crossing the park w of Horseshoe Lake. 91 Comment
  CHSC43665  Hosackia pinnata Vernon Oswald 1987-5-28 2934 Butte Jordan Hill Rd. 0.1 mi s of the road to Sawmill Pk. Lookout. 902 Comment
  CHSC43669  Medicago minima Vernon Oswald 1987-4-7 2312 Butte Butte Creek Reserve on the north edge of the creek ca. 0.1 mi e of Hwy 99. 65 Comment
  CHSC43670  Hoita macrostachya Vernon Oswald 1983-6-14 685 Butte Upper Bidwell Park, Chico, near Yahi Trail e of Brown's Hole. 207 Comment
  CHSC43671  Sesbania punicea Vernon Oswald 1987-6-12 2998 Butte South side of the mouth of Big Chico Creek at the Sacramento River. 35 Comment
  CHSC43674  Trifolium fragiferum Vernon Oswald 1987-6-12 2996 Butte West side of Sacramento River (but technically in Butte County because of shifting, channel) between Big Chico Creek and Phelan Island, ca. 0.75 mi s of Big Chico Creek. 35 Comment
  CHSC43675  Trifolium pratense Vernon Oswald 1987-6-4 2952 Butte East arm of Paradise Reservoir near the mouth of Doon Creek. 777 Comment
  CHSC43677  Quercus vacciniifolia Vernon Oswald 1983-7-19 880 Butte Philbrook Rd. 1.3 mi w of the road to High Lakes. 1676 Comment
  CHSC43678  Quercus Vernon Oswald 1986-11-2 2290 Butte Upper Bidwell Park, Chico, ca. 20 ft s of Upper Park Rd. at the first intermittent drainage w of Parking Area K at Bear Hole. 121 Comment
  CHSC43683  Phacelia vallicola Vernon Oswald 1986-4-16 1069 Butte Overlook on the Skyway 2.6 mi s of Neal Rd. 335 Comment
  CHSC43686  Mentha X piperita Vernon Oswald 1984-8-26 1677 Butte Mud Creek Diversion Channel on W. Sacramento Ave. w of Chico. 42 Comment
  CHSC43687  Mentha pulegium Vernon Oswald 1985-6-15 1833 Butte Lower Honcut Rd. between Wyandotte Creek and Western Pacific RR, ca. 1.5 mi w of Honcut. 30 Comment
  CHSC43691  Utricularia vulgaris Vernon Oswald 1987-7-29 3169 Butte Southwestern-most lake in a cluster of three located in the SE/S6, ca. 0.5 mi (air) s of Coon Hollow Rd. and 2.5 mi (air) n of Philbrook Reservoir. 1752 Comment
  CHSC43699  Orobanche pinorum Vernon Oswald; Lowell Ahart 1987-8-5 3180 Butte Near Humboldt Peak. Flat on top of the mountain. 2151 Comment
  CHSC43700  Allophyllum divaricatum Vernon Oswald 1986-5-6 1995 Butte Cohasset Ridge along the dirt road paralleling Cohasset Hwy on the south. On a slope along the road. 457 Comment
  CHSC43702  Collomia tinctoria Vernon Oswald 1983-7-6 817 Butte Beside Humboldt Rd. (to Butte Meadows) 3.3 mi n-e of its jct. with Calif. Hwy. 32. 1432 Comment
  CHSC43705  Navarretia filicaulis Vernon Oswald 1985-6-26 1866 Butte Forbestown Reservoir Rd. 2.5 mi ne of Forbestown Rd. On the edge of a dirt road. 792 Comment
  CHSC43712  Aconogonon davisiae Vernon Oswald 1983-8-17 986 Butte Trail between Humboldt Summit and Humboldt Peak, n-e of Jonesville. 2097 Comment
  CHSC43714  Rumex salicifolius var. denticulatus Vernon Oswald 1987-6-8 2960 Butte Butte Creek Reserve on the nw side of the creek, ne of Hwy 99. 67 Comment
  CHSC43716  Rumex salicifolius Vernon Oswald 1987-7-13 3102 Butte Chico Meadows, ca. 1 mi n of Butte Meadows. 1292 Comment
  CHSC43719  Claytonia palustris Vernon Oswald 1983-6-22 738 Butte Soda Springs Campground near Calif. Hwy 32, 17.8 mi n-e of Forest Ranch. 1112 Comment
  CHSC43721  Claytonia palustris Vernon Oswald 1987-7-29 3163 Butte On the edge of Coon Hollow Creek, 1.0 mi (odometer) se of Humbug Rd., ca. 2.25 mi (air) n of Philbrook Reservoir. 1645 Comment
  CHSC43722  Claytonia rubra subsp. rubra Vernon Oswald 1987-3-30 2302 Butte Butte Creek Reserve on the n side of Butte Creek e of Hwy 99. 65 Comment
  CHSC43725  Pyrola picta Vernon Oswald 1985-6-24 1862 Butte Paradise Lake, 0.1 mi s of Mosquito Creek on the e side of the lake. 780 Comment
  CHSC43728  Kumlienia hystricula Vernon Oswald 1984-5-23 1201 Butte Near the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 512 Comment
  CHSC43730  Frangula purshiana Vernon Oswald 1984-6-7 1269 Butte Calif. Hwy 32, 1.2 mi n of Chico Creek Bridge. 1109 Comment
  CHSC43731  Ziziphus jujuba Vernon Oswald 1985-6-5 1811 Butte Near Sacramento R. just s of the Washout on River Rd. 38 Comment
  CHSC43732  Holodiscus microphyllus var. glabrescens Vernon Oswald 1983-8-17 984 Butte Humboldt Peak, n-e of Jonesville. 2158 Comment
  CHSC43735  Malus Vernon Oswald 1987-3-30 2300 Butte Butte Creek Reserve between Butte Creek and the Durham Mutual Ditch ne of Hwy 99. 70 Comment
  CHSC43740  Comandra umbellata subsp. californica Vernon Oswald 1984-6-22 1160 Butte Upper Bidwell Park, Chico, on Yahi Trail near Chico Creek w of Brown's Hole. 182 Comment
  CHSC43742  Boykinia occidentalis Vernon Oswald 1983-6-17 703 Butte Upper Bidwell Park, Chico, ca. 200 ft w of Day Camp on the s side of Chico Creek. Growing on a vertical cliff 5 - 10 ft above the summer level of the creek. 91 Comment
  CHSC43743  Boykinia occidentalis Vernon Oswald 1985-6-17 1839 Butte Bryant Ravine Rd. at Bryant Ravine Creek, 0.2 mi s of the trailhead to Feather Falls. 746 Comment
  CHSC43749  Pectiantia breweri Vernon Oswald 1987-6-29 3038 Butte Jones Meadow Rd. e of Inskip, 0.1 mi e of the intersection of the last section of road to Jones meadow. 1734 Comment
  CHSC43750  Pectiantia breweri Vernon Oswald; Lowell Ahart 1987-7-19 3137 Butte Ca. 0.3 mi (air) e of Bald Mt. Lookout Tower, ca. 0.3 mi ne of the spring and water tank. 1706 Comment
  CHSC43753  Micranthes bryophora Vernon Oswald 1984-7-12 1576 Butte High Lakes Rd. near the Plumas Co. line. 1981 Comment
  CHSC43760  Erythranthe breweri Vernon Oswald 1983-8-4 956 Butte Near Humbolt Rd. 3.5 mi n-e of Butte Meadows. 1414 Comment
  CHSC43761  Erythranthe lewisii Vernon Oswald 1987-6-29 3034 Butte Jones Meadow Rd. e of Inskip at Last Chance Creek. 1560 Comment
  CHSC43762  Erythranthe pulsiferae Vernon oswald; Lowell Ahart 1987-6-10 2979 Butte Forest Service road joining Humbug Rd. in about the center of Section 22, in the first drainage e of Humbug Rd. 1874 Comment
  CHSC43767  Castilleja lacera Vernon Oswald 1985-5-20 1767 Butte Robinson Mill Rd. 1.8 mi s of Forbestown Rd. 609 Comment
  CHSC43772  Tonella tenella Vernon Oswald; Lowell Ahart 1987-3-22 2295 Butte Along a trail on the west side of Big Chico Creek about 0.5 mi north of Bidwell Park. 219 Comment
  CHSC43775  Veronica serpyllifolia subsp. humifusa Vernon Oswald 1985-5-14 1759 Butte Near Doon Camp on the Skyway e of Lovelock. Growing near a tributary of the Little West Fork of the Feather River. 853 Comment
  CHSC43777  Datura stramonium var. tatula Vernon Oswald 1986-11-2 2291 Butte Upper Bidwell Park, Chico, on the n edge of Chico Creek near the end of the paved portion of Upper Park Road. 91 Comment
  CHSC43783  Cyperus fuscus Vernon Oswald 1983-8-19 1005 Butte Upper Bidwell Park, Chico, 0.2 mi e of the end of the pavement on Upper Park Rd. Growing at the edge of Chico Creek. 91 Comment
  CHSC43784  Cyperus erythrorhizos Vernon Oswald 1983-7-31 940 Butte Sacramento River ca. 0.25 mi downstream from Murphy's Slough (between Chico Creek and Rd. 29, Glenn Co.). Comment
  CHSC43786  Cyperus esculentus Vernon Oswald 1987-7-23 3145 a Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Rd. between the s half of Cana Lake (Dicus Slough) and the Sacramento River. 48 Comment
  CHSC43787  Cyperus esculentus Vernon Oswald 1982-7-19 Butte Upper Bidwell Park, Chico, just downstream from the diversion dam on Lindo Channel. 79 Comment
  CHSC43789  Eleocharis quadrangulata Vernon Oswald 1987-9-9 3239 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, ca. 0.4 mi e of the diversion dam for Crouch Ditch. 82 Comment
  CHSC43791  Juncus bufonius var. congestus Vernon Oswald 1984-4-22 1161 Butte Upper Bidwell Park, Chico, between Upper Park Rd. and Chico Creek near Parking Area O e of Salmon Hole. 182 Comment
  CHSC43793  Luzula divaricata Vernon Oswald; Lowell Ahart 1987-7-1 3085 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. Just above the high-water level on the s side of the large lake. 1935 Comment
  CHSC43794  Spirodela polyrhiza Vernon Oswald 1984-6-21 1307 Butte Pine Creek at Hwy 32. Along the edge of the creek. 41 Comment
  CHSC43795  Lemna trisulca Vernon Oswald 1984-6-11 1287 Butte Near Humboldt Rd. at Butte Creek, 0.2 mi w of Cherry Hill Campground. In a pool on the edge of the meadow. 1414 Comment
  CHSC43796  Erythronium purpurascens Vernon Oswald 1984-7-12 1575 Butte High Lakes Rd. near the Plumas Co. line. 1981 Comment
  CHSC43799  Piperia michaelii Vernon Oswald 1985-5-13 1753 Butte Upper Bidwell Park, Chico, at the Indian caves near rimrock above the Police Pistol Range. 146 Comment
  CHSC43803  Potamogeton natans Vernon Oswald 1987-7-29 3168 Butte Southwestern most lake in a cluster of three located in the se/S6, ca. 0.5 mi (air) s of Coon Hollow Rd. and 2.5 mi (air) n of Philbrook Reservoir. 1752 Comment
  CHSC43806  Sparganium emersum subsp. emersum Vernon Oswald; Lowell Ahart 1987-7-1 3073 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. In the largest lake. 1935 Comment
  CHSC43859  Idahoa scapigera Vernon Oswald 1988-3-27 3263 Butte At the falls on Mud Creek n of the buildings at Richardson Springs. 228 Comment
  CHSC43863  Chorizanthe polygonoides var. polygonoides Vernon Oswald 1988-4-4 3266 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. In the northeast part of the ranch. 60 Comment
  CHSC43864  Kumlienia hystricula Vernon Oswald 1988-3-20 3260 Butte Centerville flume upstream from Humbug Rd. at the s end of the tunnel. 353 Comment
  CHSC43867  Carex aurea Vernon Oswald 1987-5-2 2363 Butte East side of Little Chico Creek Canyon ca. 1 mi se of Forest Ranch. 609 Comment
  CHSC43869  Carex nebrascensis Vernon Oswald 1983-6-22 751 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. 1264 Comment
  CHSC43870  Carex vulpinoidea Vernon Oswald 1987-6-5 2954 Butte East side of Sacramento River just n of Golden State Island (perhaps now technically in Glenn County because of shifting channel). 33 Comment
  CHSC43926  Carduus pycnocephalus Vernon Oswald 1988-5-5 3296 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Along the highway near Dry Creek. 53 Comment
  CHSC43929  Ancistrocarphus filagineus Vernon Oswald 1988-4-21 3279 Butte Harter's Cherokee Ranch located on the W side of Hwy 99 between Hwy 149 and Dry Creek. 53 Comment
  CHSC43933  Cannabis sativa Vernon Oswald 1988-5-8 3298 Butte Railroad between Pulga and Mayaro. At the edge of the rail ties just sw of Mayaro. 438 Comment
  CHSC43939  Camissonia contorta Vernon Oswald 1988-4-13 3270 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. In the southeast part of the ranch. 53 Comment
  CHSC43940  Clarkia unguiculata Vernon Oswald 1988-4-28 3287 Butte Oroville Wildlife Area, 1.8 mi s of the intrance on Hwy 162. 39 Comment
  CHSC43941  Papaver somniferum Vernon Oswald 1988-4-29 3290 Butte Meridian Rd., 0.4 mi e and then n of Hwy 99. On the edge of the road. 57 Comment
  CHSC43942  Navarretia heterandra Vernon Oswald 1988-5-18 3316 Butte East side of Bruce Rd. ca. 0.8 mi n of the Skyway in southeast Chico. 79 Comment
  CHSC43945  Rosa rubiginosa Vernon Oswald 1988-5-17 3312 Butte Near jct. Forbestown Rd. and e end of Black Bart Rd. In a meadow. 743 Comment
  CHSC43947  Castilleja attenuata V. Oswald; L. Ahart 1988-5-15 3308 Butte Lumpkin Ridge ne of Feather Falls, ca. 1.5 mi e of Camp 18. 1249 Comment
  CHSC43948  Castilleja rubicundula subsp. rubicundula Vernon Oswald 1988-4-26 3284 Butte Gray Lodge Waterfowl Management Area, ca. 0.25 mi s of Rutherford Rd., 0.5 mi w of Pennington Rd. 21 Comment
  CHSC43952  Carex praegracilis Vernon Oswald 1988-5-17 3309 Butte South side of Hwy 149, 0.2 mi w of Hwy 70 at Wicks Corner. 79 Comment
  CHSC43954  Carex vulpinoidea Vernon Oswald 1988-5-19 3321 Butte Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. 45 Comment
  CHSC43959  Brassica rapa Vernon Oswald 1988-6-2 3350 Butte Soda Springs Campground on the e side of Hwy 32 n of Lomo. On the edge of Cascade Creek at the campground. 1139 Comment
  CHSC43963  Castilleja rubicundula subsp. rubicundula V. Oswald 1988-5-25 3340 Butte Gray Lodge Waterfowl Management Area, ca. 0.25 mi s of Rutherford Rd., 0.5 mi w of Pennington Rd. 21 Comment
  CHSC43964  Carex pellita Vernon Oswald 1988-5-27 3344 Butte Rancho Aguas Frias. Nelson-West Rd. 2.1 mi w of Aguas Frias Rd. (Goodspeed-Watt Rd.). 30 Comment
  CHSC44129  Castilleja arachnoidea V. Oswald; L. Ahart 1988-7-29 3648 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2097 Comment
  CHSC44134  Polygonum shastense V. Oswald; L. Ahart 1988-7-29 3656 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. Locally common in loose, gravelly soil on a scree slope somewhat below the n edge of the ridge. 2097 Comment
  CHSC44137  Epilobium obcordatum V. Oswald; L. Ahart 1988-7-29 3635 Butte Ca. 5 (air) mi se of Jonesville on the n edge of the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CHSC44140  Scutellaria siphocampyloides Vernon Oswald 1988-8-3 3660 Butte North side of Humboldt Rd. ca. 0.1 mi w of its intersection with Scout Rd. in Butte Meadows. 1325 Comment
  CHSC44146  Silene occidentalis subsp. longistipitata Vernon H. Oswald 1988-8-3 3658 Butte Ca. 50 ft e of Willow Creek at the Butte-Tehama county line n of Jonesville. 1554 Comment
  CHSC44147  Lonicera involucrata var. involucrata V. Oswald; L. Ahart 1988-7-26 3631 Butte Snow Mt. Region located ca. 6 air mi SE of Jonesville. At the base of a cliff along the north brow of a ridge running eastwards from Snow Mt. 2072 Comment
  CHSC44148  Agoseris grandiflora Vernon Oswald 1988-8-3 3657 Butte Meadow on the N side of Butte Creek E of the road island on Humboldt Rd. S of Cherry Hill Campground. 1414 Comment
  CHSC44153  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald; Lowell Ahart 1988-7-26 3616 Butte Snow Mt. region located ca. 6 air mi SE of Jonesville. 1996 Comment
  CHSC44154  Erigeron lassenianus var. lassenianus V. Oswald; L. Ahart 1988-7-26 3617 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 1996 Comment
  CHSC44156  Ratibida columnifera Vernon Oswald 1988-7-22 3611 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Along the edge of the ranch road where it parallels Hwy 99. 56 Comment
  CHSC44158  Sambucus racemosa var. microbotrys V. Oswald; L. Ahart 1988-7-26 3625 Butte Snow Mt. Region located ca. 6 air mi SE of Jonesville. 2042 Comment
  CHSC44159  Cuscuta californica var. breviflora V. Oswald; L. Ahart 1988-7-29 3653 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2097 Comment
  CHSC44160  Ipomopsis aggregata subsp. formosissima V. Oswald; L. Ahart 1988-7-29 3654 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2097 Comment
  CHSC44163  Anemone occidentalis V. Oswald; L. Ahart 1988-7-29 3644 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CHSC44164  Horkelia fusca subsp. tenella V. Oswald; L. Ahart 1988-7-26 3614 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 1996 Comment
  CHSC44166  Potentilla gracilis var. fastigiata V. Oswald; L. Ahart 1988-7-26 3618 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 1996 Comment
  CHSC44169  Carex straminiformis V. Oswald; L. Ahart 1988-7-29 3647 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2097 Comment
  CHSC44173  Bromus suksdorfii V. Oswald; L. Ahart 1988-7-26 3626 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 2042 Comment
  CHSC44174  Danthonia intermedia V. Oswald; L. Ahart 1988-7-26 3615 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 1996 Comment
  CHSC44176  Agrostis variabilis V. Oswald; L. Ahart 1988-7-26 3620 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 1996 Comment
  CHSC44177  Poa pringlei V. Oswald; L. Ahart 1988-7-29 3650 Butte Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn. 2103 Comment
  CHSC44179  Trisetum canescens V. Oswald; L. Ahart 1988-7-26 3632 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 2026 Comment
  CHSC44180  Trisetum spicatum V. Oswald; L. Ahart 1988-7-26 3624 Butte Snow Mt. region located ca. 6 air mi se of Jonesville. 2042 Comment
  CHSC44181  Osmorhiza occidentalis V. Oswald; L. Ahart 1988-7-13 3589 Butte Road to High Lakes e of Philbrook Reservoir. Along the n edge of Philbrook Creek s of the road. 1828 Comment
  CHSC44185  Agoseris grandiflora V. Oswald; L. Ahart 1988-7-13 3576 Butte Road to High Lakes E of Philbrook Resevoir. 1859 Comment
  CHSC44190  Grindelia camporum var. camporum Vernon Oswald 1988-7-7 3610 Butte Gray Lodge Waterfowl Management Area; near Rutherford Rd., 0.75 mi w of Pennington Rd. 21 Comment
  CHSC44206  Trifolium variegatum var. geminiflorum Vernon Oswald 1987-6-23 3025 Butte High Lakes Rd. 5.5 mi (odometer) n of Philbrook Rd. 1853 Comment
  CHSC44208  Myriophyllum hippuroides Vernon Oswald 1988-7-4 3550 Butte Rancho Llano Seco. 7-Mile Lane 0.7 mi n of Nelsoon West Rd. Marshy slough. 30 Comment
  CHSC44211  Trichostema oblongum V. Oswald; L. Ahart 1988-7-13 3580 Butte Road to High Lakes e of Philbrook Reservoir. 1859 Comment
  CHSC44216  Gayophytum humile V. Oswald; L. Ahart 1988-7-13 3571 Butte Road to High Lakes e of Philbrook Reservoir. On the n side of the road. 1859 Comment
  CHSC44219  Aphyllon purpureum V. Oswald; L. Ahart 1988-7-13 3575 Butte Road to High Lakes e of Philbrook Reservoir. On a steep outcropping on the n side of the road. 1859 Comment
  CHSC44221  Leptosiphon ciliatus V. Oswald; L. Ahart 1988-7-13 3579 Butte Road to High Lakes e of Philbrook Reservoir. Outcropping on the n side of the road. 1859 Comment
  CHSC44227  Polygonum polygaloides subsp. kelloggii V. Oswald; L. Ahart 1988-7-13 3585 Butte Road to High Lakes e of Philbrook Reservoir. In a meadow on the n side of Philbrook Creek s of the road. 1828 Comment
  CHSC44231  Rubus pensilvanicus Vernon Oswald 1988-6-30 3541 Butte Hwy 32, 1.1 mi s of Lomo at the 35.9 mile post. 1146 Comment
  CHSC44237  Collinsia parviflora V. Oswald; L. Ahart 1988-7-13 3573 Butte Road to High Lakes e of Philbrook Reservoir. 1859 Comment
  CHSC44243  Eleocharis bella V. Oswald; L. Ahart 1988-7-13 3586 Butte Road to High Lakes e of Philbrook Reservoir. Along a streamlet in a meadow on the n side of Philbrook Creek s of the road. 1828 Comment
  CHSC44244  Juncus bufonius var. bufonius V. Oswald; L. Ahart 1988-7-13 3578 Butte Road to High Lakes e of Philbrook Reservoir. On the n side of the road. 1859 Comment
  CHSC44246  Juncus hemiendytus var. hemiendytus V. Oswald; L. Ahart 1988-7-13 3587 Butte Road to High Lakes e of Philbrook Reservoir. In a meadow on the n side of Philbrook Creek s of the road. 1828 Comment
  CHSC44250  Achnatherum occidentale subsp. occidentale V. Oswald 1988-7-13 3583 Butte Road to High Lakes e of Philbrook Reservoir. 1859 Comment
  CHSC44268  Torreya californica V. Oswald; W. Dempsey, D Perske 1988-6-15 3385 Butte Douglas Perske's property located at the e end of Bull Creek Rd., ca. 1 mi (air) ne of Cohasset School. 853 Comment
  CHSC44270  Asclepias eriocarpa Vernon Oswald 1988-6-4 3355 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 67 Comment
  CHSC44271  Achillea millefolium Vernon Oswald 1988-6-14 3380 Butte Jordan Hill Rd. 1.5 mi (odometer) n of Griffin Gulch. 755 Comment
  CHSC44272  Madia citrigracilis Vernon Oswald; Bruce Baldwin 1988-6-16 3388 Butte Camp Creek Rd. ca. 0.5 mi ene of Pulga. 512 Comment
  CHSC44273  Microseris nutans V. Oswald; L. Ahart 1988-6-17 3395 Butte Hillside at the n side of the dam at Lost Creek Reservoir. 1036 Comment
  CHSC44275  Githopsis pulchella subsp. campestris Vernon Oswald 1988-6-14 3381 Butte Jordan Hill Rd. 1.1 mi (odometer) n of Griffin Gulch. 688 Comment
  CHSC44277  Euonymus occidentalis var. occidentalis V. Oswald; L. Ahart 1988-6-17 3399 Butte West side of Pinkard Creek ca. 1 mi n of Lost Creek Reservoir. Near the creek. 1028 Comment
  CHSC44278  Euonymus occidentalis var. occidentalis V. Oswald; W. Dempsey, D. Perske 1988-6-15 3386 Butte Douglas Perske's property located at the e end of Bull Creek Rd., ca. 1 mi (air) ne of Cohasset School. Near the bottom of a canyon slope along the W. Branch of Mud Creek. 853 Comment
  CHSC44283  Hesperolinon micranthum Vernon Oswald; Bruce Baldwin 1988-6-16 3387 Butte Upper Bidwell Park, Chico, on the slope just s of the Police Pistol Range. 106 Comment
  CHSC44286  Orobanche fasciculata V. Oswald; L. Ahart 1988-6-17 3393 Butte Hillside at the n side of the dam at Lost Creek Reservoir. 1036 Comment
  CHSC44289  Physocarpus capitatus V. Oswald; W. Dempsey, D. Perske 1988-6-15 3384 Butte Douglas Perske's property located at the e end of Bull Creek Rd., ca. 1 mi (air) ne of Cohasset School. Along the W. Branch of Mud Creek. 853 Comment
  CHSC44292  Carex fracta Vernon Oswald 1988-6-20 3408 Butte East of Humboldt Rd. 1.4 mi ne of Lomo. Along the edge of the W. Branch of Butte Creek at the bottom of a ravine. 1292 Comment
  CHSC44293  Eleocharis pachycarpa V. Oswald 1988-6-8 3359 Butte South border of a small pond in the Oroville Wildlife Area on the w side of the Feather River slightly north of the level of Cherry Ave. 32 Comment
  CHSC44294  Eleocharis quadrangulata V. Oswald 1988-6-8 3361 Butte Southeast end of the large pond in the Oroville Wildlife Area on the west side of the Feather River at about the level of Walnut Ave. 32 Comment
  CHSC44299  Streptopus amplexifolius var. americanus V. Oswald; L. Ahart 1988-6-17 3400 Butte West side of Pinkard Creek ca. 1 mi n of Lost Creek Reservoir. 1028 Comment
  CHSC44300  Toxicoscordion venenosum var. venenosum V. Oswald; L. Ahart 1988-6-17 3397 Butte North side of the dam at Lost Creek Reservoir. 1005 Comment
  CHSC44607  Polystichum imbricans Vernon Oswald 1982-11-14 15 Butte Near Doon Campground, ca. 1 mi e of Lovelock (Skyway between Paradise and Stirling City). 853 Comment
  CHSC44608  Polystichum scopulinum Vernon Oswald; Lowell Ahart 1987-8-5 3189 Butte Rock outcrops skirting the n flank of Humboldt Peak on the Butte-Plumas county border, s of the Pacific Crest Trail. 2072 Comment
  CHSC44614  Cryptogramma acrostichoides Vernon Oswald 1987-7-13 3110 Butte Summit Lake on the n side of Snow Mt, ca. 4 mi (air) se of Jonesville. 1901 Comment
  CHSC44618  Pteridium aquilinum var. pubescens Vernon Oswald 1983-7-26 915 Butte Calif. Hwy 32, 11.8 mi n-e of Forest Ranch. 1158 Comment
  CHSC44619  Sceptridium multifidum Vernon Oswald 1985-9-2 1935 Butte Concow Rd. ca. 6 air miles nne of Lake Concow at Rag Dump. Near Fall Creek. 1170 Comment
  CHSC44621  Equisetum arvense Vernon Oswald 1984-4-16 1154 Butte Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. 853 Comment
  CHSC44622  Equisetum telmateia subsp. braunii Vernon Oswald 1984-4-16 1152 Butte Humbug Rd. (Centerville Rd.), 2.8 mi s-w of its jct. With Nimshew Ridge Rd. 548 Comment
  CHSC44625  Isoetes bolanderi Vernon Oswald; Lowell Ahart 1987-7-1 3064 Butte Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville. 1813 Comment
  CHSC44626  Isoetes nuttallii Vernon H. Oswald 1987-4-22 2343 Butte Butte Creek Reserve between the creek and Durham Mutual Ditch, ne of Hwy 99. 67 Comment
  CHSC44628  Azolla filiculoides Vernon Oswald 1987-5-20 2913 Butte Butte Creek Canyon Ecological Reserve on the s side of Butte Creek, ne of the Skyway. 80 Comment
  CHSC44631  Taxus brevifolia Vernon Oswald 1986-8-7 2275 Butte East side of Paradise Lake, ca. 0.25 mi n of the picnic area. 780 Comment
  CHSC44632  Hesperevax acaulis var. ambusticola Vernon Oswald 1986-5-6 1998 Butte Cohasset Ridge along the dirt road paralleling Cohasset Hwy on the south. 457 Comment
  CHSC45043  Carex subfusca Vernon Oswald 1983-7-19 878 Butte Philbrook Rd. at the bridge crossing the West Branch of the Feather River. 1554 Comment
  CHSC45044  Carex amplifolia Vernon Oswald 1983-6-22 755 Butte Beside Butte Creek w of Humbolt Rd. 0.3 mi s-w of Cherry Hill Campground. 1371 Comment
  CHSC45046  Carex aurea Vernon Oswald 1983-6-22 752 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. 1264 Comment
  CHSC45048  Carex feta Vernon Oswald 1987-5-18 2907 Butte Butte Creek Reserve on the s side of Butte Creek e of Hwy 99. On the edge of a now dry ditch diverting winter water from the control valve of Durham Mutual Ditch back into Butte Creek. 68 Comment
  CHSC45049  Carex integra Vernon Oswald 1987-5-28 2941 Butte Concow Rd. at Rag Dump. Grassy flat near Fall Creek. 1170 Comment
  CHSC45050  Carex fracta Vernon Oswald 1983-7-19 881 Butte Humbug Summit Rd. 1.3 mi n-e of its jct. with the Skyway n of Inskip. 1554 Comment
  CHSC45051  Carex pachystachya Vernon Oswald 1987-5-7 2378 Butte Butte Creek Reserve on the n side of Butte Creek, e of the Skyway. 74 Comment
  CHSC45052  Carex heteroneura var. heteroneura Vernon Oswald 1987-6-9 2962 Butte Scotts John Creek where it crosses the connector road between Humboldt and Humbug roads, ca. 2.5 mi e of Jonesville. 1755 Comment
  CHSC45055  Carex lemmonii Vernon Oswald 1983-7-6 825 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. 1325 Comment
  CHSC45057  Carex multicaulis Vernon Oswald 1984-4-9 1131 Butte Feather Falls Trail, 1.9 mi. from the trail head at the end of Bryant Ravine Rd. 487 Comment
  CHSC45058  Carex nervina Vernon Oswald 1987-6-9 2963 Butte Scotts John Creek where it crosses the connector road between Humboldt and Humbug roads, ca. 2.5 mi e of Jonesville. 1755 Comment
  CHSC45059  Carex nervina Vernon Oswald 1988-6-20 3409 Butte Jones Meadow Rd. e of Inskip at Last Chance Creek. 1560 Comment
  CHSC45060  Carex nervina Vernon Oswald 1983-7-19 879 Butte Philbrook Rd. at the bridge crossing the West Branch of the Feather River. 1554 Comment
  CHSC45061  Carex multicostata Vernon Oswald 1988-6-30 3548 Butte At the end of a spur road on the w side of Humbug Rd. between Cold Springs and the summit. 1975 Comment
  CHSC45065  Carex utriculata Vernon Oswald 1983-7-6 833 Butte Near Humboldt Rd. 3.4 mi n-e of Butte Meadows. 1432 Comment
  CHSC45067  Carex vesicaria Vernon Oswald 1987-6-23 3020 Butte High Lakes Rd. 4.8 mi (odometer) n of Philbrook Rd. 1889 Comment
  CHSC45068  Carex vesicaria Vernon Oswald 1987-6-9 2972 Butte Lily Pond 0.25 mi se of the benchmark on the s edge of Humbug Rd. between Butte Creek House and Snag Lake. 1813 Comment
  CHSC45070  Carex simulata Vernon Oswald 1983-6-22 739 Butte South of road leading into Soda Springs Campground from Hwy 32, ca. 4 mi nne of Lomo. 1112 Comment
  CHSC45071  Carex subfusca Vernon Oswald 1987-5-12 2391 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between Crouch Ditch dam and the double set of transmission lines. On the edge of Butte Creek. 80 Comment
  CHSC45072  Carex subfusca Vernon Oswald 1987-5-7 2379 Butte Butte Creek Reserve on the n side of Butte Creek e of the Skyway. On the bottom of a drying dredger pond. 74 Comment
  CHSC45075  Carex bolanderi Vernon Oswald 1987-5-12 2392 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between Crouch Ditch dam and the double set of transmission lines. 80 Comment
  CHSC45078  Carex echinata subsp. echinata Vernon Oswald 1983-7-6 829 Butte Near Humboldt Rd. 3.4 mi n-e of Butte Meadows. 1432 Comment
  CHSC45081  Carex lemmonii V. Oswald; L. Ahart 1988-6-17 3403 Butte Pinkard Creek ca. 1.5 mi n of Lost Creek Reservoir. 1066 Comment
  CHSC45113  Cyperus bipartitus Vernon Oswald 1987-6-15 3001 Butte Butte Creek Reserve on the n side of Butte Creek, ne of the Skyway. 76 Comment
  CHSC45114  Cyperus flavescens Vernon Oswald 1983-7-31 941 Butte Sacramento River ca. 0.25 mi downstream from Murphy's Slough (between Chico Creek and Rd. 29, Glenn Co.). Comment
  CHSC45115  Cyperus flavescens Vernon Oswald 1987-8-13 3215 Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. 48 Comment
  CHSC45116  Eleocharis bolanderi Vernon Oswald 1988-5-18 3317 Butte Honey Run Rd. 0.7 mi sw of the Skyway, Paradise. 426 Comment
  CHSC45120  Isolepis setacea V. Oswald; L. Ahart 1988-6-17 3405 Butte Pinkard Creek ca. 1.5 mi n of Lost Creek Reservoir. Along the edge of the creek where it flows through a large meadow developed on impounded tailings from placer and hydraulic mining upstream. 1066 Comment
  CHSC45122  Bolboschoenus glaucus Vernon Oswald 1985-5-8 1751 Butte Graylodge Waterfowl Management Area near Parking Lot #5 on Rutherford Rd. Comment
  CHSC45124  Cyperus squarrosus Vernon Oswald 1987-6-12 2987 Butte West side of Sacramento River (but technically in Butte County because of shifting channel) between Big Chico Creek and Phelan Island, ca. 0.75 mi s of Big Chico Creek. 35 Comment
  CHSC45125  Cyperus difformis Vernon Oswald 1987-8-13 3214 Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. Gravel bar along the river. 48 Comment
  CHSC45127  Cyperus esculentus Vernon Oswald 1987-6-12 2988 Butte East side of Sacramento River just n of Golden State Island (perhaps technically in Glenn County because of shifting channel). 33 Comment
  CHSC45128  Cyperus rotundus Vernon Oswald 1987-7-5 3093 Butte Rancho De Farwell. E. side of Sacramento River just upstream from Golden State Island (perhaps technically in Glenn Co. because of shifting channel). 33 Comment
  CHSC45130  Eleocharis acicularis Vernon Oswald 1987-8-10 3199 Butte Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi e of Jonesville. 1813 Comment
  CHSC45131  Eleocharis macrostachya Vernon Oswald 1987-7-20 3139 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between the dam for Crouch Ditch and the double set of transmission lines. 82 Comment
  CHSC45132  Fimbristylis autumnalis Vernon Oswald 1987-7-23 3148 Butte Feenstra's Riverview Orchard located at the w end of Cana Rd. between the s half of Cana Lake (Dicus Slough) and the Sacramento River. 48 Comment
  CHSC45133  Lipocarpha aristulata Vernon Oswald 1987-9-7 3231 Butte Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. 45 Comment
  CHSC45135  Rhynchospora californica Vernon Oswald 1984-6-14 1291 Butte Upper Bidwell Park, Chico, between Upper Park Rd. and Salmon Hole near Parking Area O. 182 Comment
  CHSC45137  Scirpus congdonii Vernon Oswald; Lowell Ahart 1987-7-1 3083 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. At the e end of the large lake. 1935 Comment
  CHSC45263  Agoseris glauca var. monticola Vernon Oswald; Lowell Ahart 1988-10-6 3707 Butte Near the headwaters of Big Kemshew Creek, ca. 1.5 mi (air) NE of Jones Meadow. 1950 Comment
  CHSC45264  Erigeron bonariensis Vernon Oswald 1988-10-25 3711 Butte Wurlitzer Unit, Vina Plains Preserve. 57 Comment
  CHSC45266  Stellaria calycantha V. Oswald; L. Ahart 1988-10-6 3706 Butte Meadow near the headwaters of Big Kimshew Creek, ca. 1.5 mi (air) ne of Jones Meadow. On the bed of the creek. 1889 Comment
  CHSC45269  Dipsacus fullonum Vernon Oswald 1987-7-21 3142 Butte Between the Midway and the Southern Pacific RR, 0.6 mi s of Nelson. 36 Comment
  CHSC45273  Elatine rubella Vernon H. Oswald 1988-12-13 3724 Butte Wurlitzer Unit, Vina Plains Preserve. 57 Comment
  CHSC45274  Elatine chilensis Vernon H. Oswald 1988-4-18 3275 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 53 Comment
  CHSC45276  Elatine heterandra Vernon Oswald 1988-4-5 3269 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 45 Comment
  CHSC45280  Gleditsia triacanthos Vernon Oswald 1987-8-26 3227 Butte Rancho Arroyo Chico. North bank of Big Chico Creek between River Road (Sutter Ave.) and the Sacramento River. 36 Comment
  CHSC45281  Lathyrus hirsutus Vernon Oswald 1988-5-5 3297 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Along the highway near Dry Creek. 53 Comment
  CHSC45282  Hosackia crassifolia var. crassifolia Vernon Oswald 1987-6-23 3014 Butte High Lakes Rd. 2.1 mi (odometer) n of Philbrook Rd. 1828 Comment
  CHSC45284  Hosackia pinnata Vernon Oswald 1987-4-28 2348 Butte Jordan Hill Rd. between Griffin Gulch and the road to Sawmill Peak Lookout. 914 Comment
  CHSC45285  Acmispon glaber var. glaber Vernon Oswald 1988-4-28 3289 Butte Hwy 99 along the Thermalito Afterbay, 0.5 mi s of Hwy 162 (east). 33 Comment
  CHSC45287  Medicago minima Vernon Oswald 1987-4-6 2309 Butte Butte Creek Reserve on the n side of Butte Creek n of the Skyway, ca. 200 ft w of the single transmission line. 80 Comment
  CHSC45288  Medicago praecox Vernon Oswald 1987-4-8 2314 Butte Butte Creek Reserve on the s side of Butte Creek n of the Skyway, ca. 0.1 mi w of the double set of transmission lines. 85 Comment
  CHSC45290  Pickeringia montana var. montana Vernon Oswald 1985-5-20 1768 Butte Robinson Mill Rd. 1.8 mi s of Forbestown Rd. 609 Comment
  CHSC45291  Robinia pseudoacacia Vernon Oswald 1987-4-22 2339 Butte Butte Creek Reserve on the n side of Butte Creek e of Hwy 99. 68 Comment
  CHSC45295  Utricularia gibba Vernon Oswald 1987-9-9 3238 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, ca. 0.3 mi w if the double set of transmission lines. In a backwater of Butte Creek. 82 Comment
  CHSC45303  Phoradendron libocedri Vernon Oswald 1987-10-17 3243 Butte Bolt Creek at a point ca. 1 mi e of Butte Meadows and 0.5 mi s of Humboldt Rd. 1341 Comment
  CHSC45304  Phoradendron serotinum subsp. macrophyllum Vernon Oswald 1988-3-7 3249 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 53 Comment
  CHSC45307  Sibbaldia procumbens V. Oswald; L. Ahart 1988-10-6 3705 Butte Meadow near the headwaters of Big Kimshew Creek, ca. 1.5 mi (air) ne of Jones Meadow. 1889 Comment
  CHSC45309  Comandra umbellata subsp. californica Vernon Oswald 1985-4-28 1723 Butte Upper Bidwell Park, Chico, along Yahi Trail where it first parallels Chico Creek e of Parking Area R. 158 Comment
  CHSC45310  Sagittaria sanfordii Vernon Oswald 1988-10-23 3709 Butte Wurlitzer Unit, Vina Plains Preserve. In a farm pond. 57 Comment
  CHSC45311  Sagittaria sanfordii Vernon Oswald 1988-10-25 3716 Butte Wurlitzer Unit, Vina Plains Preserve. In a farm pond. 57 Comment
  CHSC45312  Eleocharis pachycarpa Vernon Oswald 1988-9-21 3701 Butte Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. 45 Comment
  CHSC45317  Najas guadalupensis Vernon Oswald 1988-10-25 3715 Butte Wurlitzer Unit, Vina Plains Preserve. 57 Comment
  CHSC45318  Eleusine indica Vernon Oswald 1988-8-30 3695 Butte California State University, Chico, along Mansion Ave. 59 Comment
  CHSC45329  Malvella leprosa Vernon Oswald 1986-9-17 2289 Butte Bell Rd. 0.7 mi e of Hamilton-Nord-Cana Hwy, ca. 1.5 mi se of Nord. 42 Comment
  CHSC45336  Epilobium obcordatum Vernon Oswald 1983-8-17 987 Butte Trail between Humboldt Summit and Humboldt Peak, n-e of Jonesville. 2097 Comment
  CHSC45339  Paeonia brownii Vernon Oswald; Lowell Ahart 1987-5-14 2900 Butte Ca. 2.75 mi ne of Jonesville on the road paralleling Scotts John Creek, 1.9 mi n of the road connecting Humboldt and Humbug Roads. Common on the edge of an alder thicket bordering the creek. 1828 Comment
  CHSC45340  Dendromecon rigida Vernon Oswald 1984-4-16 1158 Butte Near the jct. of the Skyway and Coutolenc Rd. just n of Magalia. 716 Comment
  CHSC45342  Plantago coronopus Vernon Oswald 1985-4-11 1706 Butte Beside a gravel road at the shooting area in the Oroville Wildlife Area. Comment
  CHSC45343  Phytolacca americana Vernon Oswald 1983-7-6 804 Butte Beside Calif. Hwy. 32 in Forest Ranch. 719 Comment
  CHSC45347  Collomia heterophylla Vernon Oswald 1987-3-31 2304 Butte Butte Creek Reserve on the s side of Butte Creek n of the Skyway, ca. 0.1 mi w of the double set of transmission lines. On a sand bar along the creek. 85 Comment
  CHSC45348  Collomia tinctoria Vernon Oswald 1987-6-23 3019 Butte High Lakes Rd. 4.8 mi (odometer) n of Philbrook Rd. On wall of gravel pit. 1889 Comment
  CHSC45350  Navarretia capillaris Vernon Oswald; Lowell Ahart 1987-7-1 3049 Butte Scotts John Rd. at 'Big Rock Meadow,' 1.0 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. 1780 Comment
  CHSC45354  Microsteris gracilis Vernon Oswald 1987-4-16 2332 Butte Butte Creek Reserve on the n side of Butte Creek e of the Skyway. 74 Comment
  CHSC45363  Chorizanthe polygonoides var. polygonoides Vernon Oswald 1984-4-4 1117 Butte Humbug Rd., 1.6 mi s-w of its jct. with Nimshew Ridge Rd., ca. 3 mi w of Magalia. 670 Comment
  CHSC45366  Eriogonum luteolum var. luteolum Vernon Oswald 1987-7-6 3097 Butte Butte Creek Reserve on the n side of Butte Creek, ca. 0.25 mi e of the Hwy 99 bridge. 67 Comment
  CHSC45371  Eriogonum ursinum var. ursinum Vernon Oswald 1983-8-17 990 Butte On Humboldt Peak, n-e of Jonesville. 2158 Comment
  CHSC45374  Polygonum bidwelliae Vernon Oswald 1986-5-7 2002 Butte Upper Bidwell Park, Chico, on the north rim near the Rifle Range ravine. 182 Comment
  CHSC45376  Polygonum bolanderi Vernon Oswald 1986-7-21 2212 Butte Little Butte Creek Canyon overlook on Skyway 2.6 mi sw of Neal Rd. 335 Comment
  CHSC45379  Persicaria hydropiperoides Vernon Oswald 1983-10-10 1063 Butte Bidwell State Park on the e side of the Sacramento R. w of Chico. Growing in shallow water along the edges of Tyler Slough at the Indian Fishery located at the jct. of W. Sacramento Ave. and River Rd. Comment
  CHSC45382  Aconogonon phytolaccifolium Vernon Oswald 1984-7-31 1630 Butte N. side of Butte Creek ca. 0.25 mi w of Humboldt Rd. near Cherry Hill. One plant on a stony gravel bar of the creek. 1402 Comment
  CHSC45385  Rumex dentatus subsp. klotzschianus Vernon Oswald 1985-5-8 1750 Butte Graylodge Waterfowl Management Area near Parking Lot #5 on Rutherford Rd. Common in the bottom of a drying pond which was vernally wet. Comment
  CHSC45387  Calyptridium umbellatum Vernon Oswald 1984-7-2 1336 Butte Humbug Summit. Growing on forest floor along the road. 2320 Comment
  CHSC45392  Montia chamissoi Vernon Oswald 1983-8-4 957 Butte Near Humboldt Rd. 3.5 mi n-e of Butte Meadows. Growing in a sandy, wet spot along Butte Creek. 1414 Comment
  CHSC45394  Montia parvifolia Vernon Oswald 1984-6-11 1273 Butte Humboldt Rd. between Lomo and Butte Meadows, 2.0 mi ne of Hwy 32. 1380 Comment
  CHSC45623  Agoseris retrorsa Vernon H. Oswald 1984-4-9 1135 Butte Feather Falls Trail, 2.75 trail mi from the trail head at the end of Bryant Ravine Rd. 548 Comment
  CHSC45624  Ambrosia artemisiifolia Vernon H. Oswald 1987-9-7 3232 Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the W end of Cana Hwy between the S half of Cana Lake (on Dicus Slough) and the Sacramento River. 45 Comment
  CHSC45625  Ambrosia psilostachya Vernon Oswald 1987-8-9 3195 Butte Hwy 32 N of Forest Ranch at the 35.0 mi road marker, 3 mi S of Lomo. 1158 Comment
  CHSC45632  Arnica mollis Vernon H. Oswald 1985-7-2 1878 Butte Scotts John Creek 0.6 mi N of the road connecting Humboldt and Humbug Rds. 1780 Comment
  CHSC45634  Artemisia douglasiana Vernon Oswald 1985-8-4 1923 Butte Scotts John Rd. 2.7 mi N of Humboldt-Humbug connector road. 1920 Comment
  CHSC45636  Oreostemma alpigenum var. andersonii Vernon Oswald 1987-5-11 2385 Butte Chico Meadows ca 1 mi N of Butte Meadows. 1292 Comment
  CHSC45640  Baccharis pilularis subsp. pilularis Vernon H. Oswald 1982-11-20 17 Butte Sewage Treatment Plant on Chico River Rd. ca 4.5 mi W of Chico. 41 Comment
  CHSC45647  Calycadenia truncata Vernon Oswald 1985-6-24 1860 Butte East side of Paradise Lake S of Mosquito Creek. 780 Comment
  CHSC45648  Carduus pycnocephalus Vernon Oswald 1985-5-20 1766 Butte LaPorte Rd. ca. 0.7 mi ne of Bangor at Wilson Creek. On the edge of the road near the creek. 243 Comment
  CHSC45651  Centaurea stoebe subsp. micranthos Vernon Oswald; Lowell Ahart 1987-8-5 3175 Butte Hwy 32, 3.3 mi s of Lomo at the 33.7 mi road marker. 1036 Comment
  CHSC45654  Leucanthemum vulgare Vernon Oswald 1987-6-12 2992 Butte East side of Sacramento River just n of Golden State Island (perhaps technically in Glenn County because of shifting channel). 33 Comment
  CHSC45659  Cirsium arvense Vernon Oswald 1987-7-29 3164 Butte 0.6 mi w of Coon Hollow Rd. on the dead-end spur road which parallels it on the south, ca. 2 mi (air) ne of Philbrook Reservoir. Roadside. 1783 Comment
  CHSC45667  Ageratina occidentalis Vernon Oswald 1987-7-16 3124 Butte West Branch of Feather River upstream of where it crosses the road to Jones Meadow, ca. 1 mi (air) NE of Inskip. 1341 Comment
  CHSC45669  Hesperevax caulescens Vernon Oswald 1986-5-6 2000 Butte Hamilton-Nord-Cana Hwy 0.5 mi n of Bennett Rd. Along the fence line of a grazed pasture. 48 Comment
  CHSC45672  Pseudognaphalium stramineum Vernon Oswald 1988-5-2 3292 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 60 Comment
  CHSC45679  Helenium bigelovii Vernon Oswald 1983-7-6 819 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. 1325 Comment
  CHSC45680  Helianthella californica var. nevadensis Vernon Oswald 1984-5-9 1175 Butte Between Chico and Forest Ranch on an abandoned section of old Calif. Hwy 32, 9.9 mi n-e of Calif. Hwy 99. 487 Comment
  CHSC45681  Helianthus annuus Vernon Oswald 1987-8-2 3174 Butte East side of the Sacramento River just north of (Glenn Co.) Rd. 29. 32 Comment
  CHSC45682  Hemizonia congesta subsp. luzulifolia Vernon Oswald 1987-8-13 3219 Butte Hamilton-Nord-Cana Hwy 0.5 mi n of Bennett Rd. By large vernal pool in field. 48 Comment
  CHSC45685  Hieracium albiflorum Vernon Oswald 1983-7-6 812 Butte Near Calif. Hwy. 32, 11.7 mi n-e of Forest Ranch. 1158 Comment
  CHSC45686  Hypochaeris radicata Vernon Oswald 1985-4-29 1728 Butte Bald Rock Rd. 0.3 mi e of Oroville-Quincy Hwy. 640 Comment
  CHSC45687  Lasthenia californica Vernon Oswald 1983-4-4 265 Butte Upper Bidwell Park, Chico, on the north rim ca. 2 mi e of the power lines. 390 Comment
  CHSC45688  Lasthenia glaberrima Vernon Oswald 1986-4-28 1985 Butte Hamilton-Nord-Cana Hwy 0.5 mi n of Bennett Rd. 48 Comment
  CHSC45691  Hypochaeris radicata Vernon Oswald; Lowell Ahart 1987-8-5 3176 Butte Hwy 32, 3.3 mi s of Lomo at the 33.7 mi road marker. 1036 Comment
  CHSC45692  Madia exigua Vernon Oswald 1987-4-14 2321 Butte Hwy 32 between Chico and Forest Ranch at the 17.0 mile marker. 390 Comment
  CHSC45695  Anisocarpus madioides Vernon Oswald 1985-6-17 1842 Butte Beside a logging road 0.1 mi e of the trailhead to Feather Falls. 768 Comment
  CHSC45698  Helminthotheca echioides Vernon Oswald 1983-6-28 783 Butte Graylodge Waterfowl Management Area near Parking Lot 16. Along the edge of ponds in the refuge. Comment
  CHSC45769  Senecio triangularis Vernon Oswald 1983-6-22 740 Butte Soda Springs Campground near Calif. Hwy 32, 17.8 mi n-e of Forest Ranch. Beside Chico Creek. 1112 Comment
  CHSC45773  Stephanomeria lactucina Vernon Oswald 1983-7-19 886 Butte Bull Hill Rd. 2.6 mi s of Butte Meadows. 1493 Comment
  CHSC45776  Tanacetum parthenium Vernon Oswald 1985-8-1 1917 Butte P-Line between Stirling City and Five Corners, 0.4 mi s of the bridge over W. Branch Feather R. Near a stream. 804 Comment
  CHSC45779  Xanthium spinosum Vernon Oswald 1987-7-23 3151 Butte Portion of Rancho Basquejo. Feenstra's Riverview Orchard located at the w end of Cana Rd. between the s half of Cana Lake (Dicus Slough) and the Sacramento River. In and along the edge of a bean field. 48 Comment
  CHSC46245  Calycadenia fremontii Vernon H. Oswald 1989-4-27 3751 Butte Wurlitzer Unit, Vina Plains Preserve. Bordering a dry wash between Singer and Pine Creeks near the E boundary. 57 Comment
  CHSC46246  Calycadenia fremontii Vernon H. Oswald 1989-5-2 3758 Butte Pasture located S of Broyles Rd and W of Hwy 99 owned by Howard Wurlitzer. 53 Comment
  CHSC46249  Lasthenia glabrata subsp. glabrata V. Oswald; L. Janeway 1989-4-17 3737 Butte Gridley-Colusa Hwy just east of Butte Creek. On the s edge of the road and in adjacent field. 18 Comment
  CHSC46250  Plagiobothrys bracteatus Vernon Oswald 1989-4-19 3739 Butte Wurlitzer Unit, Vina Plains Preserve. Along the upper s bank of Pine Creek just downstream from the mouth of Singer Creek. Also in other pools between Pine and Singer Creeks. 57 Comment
  CHSC46251  Plagiobothrys leptocladus Vernon Oswald 1989-4-20 3749 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch), on the ranch road ca. 0.3 mi n of the main gate at Gridley-Colusa Hwy. 18 Comment
  CHSC46252  Plagiobothrys shastensis Vernon Oswald 1989-3-30 3728 Butte Upper Bidwell Park, Chico. Along the North Rim Trail between Lookout Point above Horseshoe Lake and the double set of power lines. 182 Comment
  CHSC46254  Lepidium dictyotum var. dictyotum Vernon Oswald 1989-4-20 3744 Butte Gray Lodge Wildlife Area, s of Rutherford Rd at Parking Area 5. 19 Comment
  CHSC46255  Lepidium dictyotum var. dictyotum Vernon Oswald 1989-4-10 3731 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch), between the ranch road and Little Dry Creek near the s gate on Gridley-Colusa Hwy. 18 Comment
  CHSC46257  Lepidium dictyotum var. acutidens V. Oswald; L. Janeway 1989-4-17 3736 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch), between the ranch road and Little Dry Creek near the s gate on Gridley-Colusa Hwy. 18 Comment
  CHSC46258  Lepidium latipes var. latipes V. Oswald; L. Janeway 1989-4-17 3735 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch), between the ranch road and Little Dry Creek near the s gate on Gridley-Colusa Hwy. 18 Comment
  CHSC46260  Callitriche stagnalis Vernon Oswald 1989-5-19 3778 Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. In a pond located in an old channel of the Sacramento River. 45 Comment
  CHSC46261  Downingia insignis Vernon Oswald 1989-5-1 3757 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch). Fallow fice field located on the e side of the dike road ca. 1.3 mi n of Gridley-Colusa Hwy. 18 Comment
  CHSC46262  Atriplex depressa Vernon Oswald 1989-4-20 3746 Butte Gray Lodge Wildlife Area, S side of Rutherford Rd at Parking Area 5. 19 Comment
  CHSC46265  Lupinus bicolor var. pipersmithii Vernon Oswald 1989-4-19 3740 Butte Wurlitzer Unit, Vina Plains Preserve. On the north bank of Pine Creek upstream from the mouth of Singer Creek. 57 Comment
  CHSC46267  Fraxinus dipetala Vernon Oswald 1989-4-19 3738 Butte Wurlitzer Unit, Vina Plains Preserve. Growing on the north side of Pine Creek near Cana-Pine Creek Rd. 56 Comment
  CHSC46268  Rumex dentatus subsp. klotzschianus Vernon Oswald 1989-5-1 3754 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch), just e of Butte Creek ca. 1.5 s of Biggs-Afton Hwy. Scattered plants on the floor of a fallow rice paddy that is reverting to marsh. 18 Comment
  CHSC46270  Myosurus minimus Vernon Oswald 1989-4-19 3741 Butte Wurlitzer Unit, Vina Plains Preserve. Bottom of depression between Singer and Pine Creeks. 57 Comment
  CHSC46271  Lithophragma campanulatum Vernon Oswald 1989-5-8 3761 Butte Feather Falls Trail, between the trailhead at the end of Bryant Ravine Rd and Frey Creek. 731 Comment
  CHSC46272  Juncus mexicanus Vernon Oswald 1989-5-1 3756 Butte Butte Sink Wildife Area (w portion of Schohr Ranch), sw corner of the intersection of the main ranch road and Little Dry Creek. 19 Comment
  CHSC46273  Wolffia borealis Vernon Oswald 1989-4-29 3760 Butte Rancho Fernandez. Oroville Wildlife Area, Palm Ave entrance. In a pond s of Palm Ave just w of the Wildlife Area entry sign. 32 Comment
  CHSC46275  Hordeum depressum Vernon Oswald 1989-4-20 3747 Butte Gray Lodge Wildlife Area, field on s side of Rutherford Rd and e side of the road to Parking Areas 12 and 13. 19 Comment
  CHSC46277  Potamogeton pusillus var. pusillus Vernon Oswald 1989-5-19 3779 Butte Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. In a pond in an old channel of the Sacramento River. 45 Comment
  CHSC46278  Chorizanthe polygonoides var. polygonoides Vernon Oswald 1989-4-14 3734 Butte Wurlitzer Unit, Vina Plains Preserve. Near the northeast gate on Haille Rd. 57 Comment
  CHSC46283  Boechera arcuata Vernon Oswald 1989-5-25 3785 Butte Railroad between Pulga and Mayaro. On the river side of the RR between Dogwood and Camp Creeks. 438 Comment
  CHSC46284  Barbarea verna Vernon Oswald 1989-5-25 3784 Butte Railroad between Pulga and Mayaro. Along the edge of the railroad right of way. 432 Comment
  CHSC46286  Callitriche heterophylla var. bolanderi Vernon Oswald 1989-5-17 3777 Butte Wurlitzer Unit, Vina Plains Preserve. Along the edge of the farm pond. 56 Comment
  CHSC46288  Cuscuta howelliana Vernon Oswald 1989-5-17 3774 Butte Wurlitzer Unit, Vina Plains Preserve. 56 Comment
  CHSC46289  Glycyrrhiza lepidota Vernon Oswald 1989-5-23 3783 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch). Growing on the dike along Butte Creek n of thew Gridley-Colusa Hwy. 18 Comment
  CHSC46290  Hosackia stipularis var. ottleyi Vernon Oswald 1989-5-11 3765 Butte Santos Rd (from Hwy 32) on Doe Mill Ridge. 487 Comment
  CHSC46293  Limnanthes alba subsp. alba Vernon Oswald 1989-5-11 3763 Butte Santos Rd between Hwy 32 and Doe Mill Ridge, s of Little Chico Creek. 335 Comment
  CHSC46294  Ludwigia palustris Vernon Oswald 1989-5-30 3792 Butte Vandergrift Lake on the w side of the n end of Cana-Pine Creek Rd. On the margin of the lake. 54 Comment
  CHSC46296  Chorizanthe polygonoides var. polygonoides Vernon Oswald 1989-5-16 3771 Butte Ponderosa Way on Musty Buck Ridge between Cohasset and Big Chico Creek. 762 Comment
  CHSC46299  Erythranthe floribunda Vernon Oswald 1989-5-31 3793 Butte Wurlitzer Unit, Vina Plains Preserve. Locally abundant in moist soil along the bottom of the s bank of Pine Creek near the e end of the Unit. 56 Comment
  CHSC46300  Eleocharis coloradoensis Vernon Oswald 1989-5-23 3781 Butte Gray Lodge Wildlife Area, in the field se of the intersection of Rutherford Rd and the road to Parking Areas 12 and 13. 19 Comment
  CHSC46301  Iris tenuissima subsp. purdyiformis Vernon Oswald 1989-5-16 3770 Butte Cohasset Rd, 3.4 mi n of Cohasset School. 1127 Comment
  CHSC46302  Elymus trachycaulus subsp. trachycaulus Vernon Oswald 1989-5-23 3782 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch). On a dike along Little Dry Creek just downstream from the road to ranch headquarters. 19 Comment
  CHSC46305  Potamogeton diversifolius Vernon Oswald 1989-5-30 3788 Butte Sheep Camp Ditch and Vandergrift Lake on the w side of the n end of Cana-Pine Creek Rd. In both ditch and the lake. 54 Comment
  CHSC46307  Lythrum californicum Vernon Oswald 1985-6-5 1810 Butte River Rd. 0.5 mi sw of its jct. with Chico River Rd. 36 Comment
  CHSC46308  Lythrum californicum Vernon Oswald 1989-5-23 3780 Butte Gray Lodge Wildlife Area just s of Rutherford Rd at Parking Area 5. 19 Comment
  CHSC46313  Matricaria occidentalis Vernon Oswald 1989-6-6 3799 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch). Waste area just n of the lighted parking area on the main ranch road n of Butte Creek-Little Dry Creek. 18 Comment
  CHSC46317  Scirpus diffusus Vernon Oswald 1989-6-8 3805 Butte W side of Concow Rd at Flea Valley. 1118 Comment
  CHSC46319  Bolboschoenus maritimus subsp. paludosus Vernon Oswald 1989-6-6 3798 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch). Field on the n side of Cutte Creek, s of the road leading to ranch headquarters. 19 Comment
  CHSC46322  Sporobolus cryptandrus Vernon Oswald 1989-6-8 3802 Butte Hwy 70, ca. 0.5 mi n of Truex Rd, n of the Hwy 70 bridge over the North Fork of the Feather River. On the verge of this section of highway. 408 Comment
  CHSC46448  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1989-6-27 3822 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) SE of Jonesville. 1767 Comment
  CHSC46449  Cirsium scariosum V. Oswald; L. Ahart 1989-6-27 3828 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Along Butte Creek. 1767 Comment
  CHSC46450  Packera subnuda var. subnuda V. Oswald; L. Ahart 1989-6-27 3834 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. In meadow along Butte Creek. 1767 Comment
  CHSC46451  Cryptantha affinis V. Oswald; L. Ahart 1989-6-27 3820 Butte Ridge east of Scotts John Creek, ca. 3.3 mi (air) e of Jonesville. 2042 Comment
  CHSC46452  Monolepis nuttalliana V. Oswald; L. Ahart 1989-6-27 3833 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. 1767 Comment
  CHSC46455  Epilobium oregonense V. Oswald; L. Ahart 1989-6-27 3824 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. In a meadow along Butte Creek. 1767 Comment
  CHSC46456  Gayophytum humile V. Oswald; L. Ahart 1989-6-27 3818 Butte Ridge east of Scotts John Creek, ca. 3.3 mi (air) e of Jonesville. 1981 Comment
  CHSC46457  Calandrinia ciliata V. Oswald; L. Ahart 1989-6-27 3835 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. In a large meadow along Butte Creek. 1767 Comment
  CHSC46458  Potentilla millefolia V. Oswald; L. Ahart 1989-6-27 3826 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Meadow along Butte Creek. 1767 Comment
  CHSC46459  Delphinium nuttallianum V. Oswald; L. Ahart 1989-6-27 3819 Butte Ridge east of Scotts John Creek, ca. 3.3 mi (air) e of Jonesville. 2042 Comment
  CHSC46460  Galium trifidum var. pusillum V. Oswald; L. Ahart 1989-6-27 3825 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) SE of Jonesville. 1767 Comment
  CHSC46461  Veronica scutellata V. Oswald; L. Ahart 1989-6-27 3823 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Along Butte Creek. 1767 Comment
  CHSC46462  Carex integra V. Oswald; L. Ahart 1989-6-27 3831 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. 1767 Comment
  CHSC46465  Juncus nevadensis V. Oswald; L. Ahart 1989-6-27 3827 Butte Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. In a large meadow along Butte Creek. 1767 Comment
  CHSC46467  Ammi visnaga Vernon Oswald 1989-6-26 3815 Butte Pennington Rd along east boundary of Gray Lodge Wildlife Area, just s of West Evans Reimer Rd. 21 Comment
  CHSC46468  Asclepias speciosa Vernon Oswald 1989-6-26 3813 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch), just e of the s gate. 18 Comment
  CHSC46470  Centromadia parryi subsp. rudis Vernon Oswald 1989-6-26 3814 Butte Gray Lodge Wildlife Area just s of Rutherford Rd at Parking Area 5. 19 Comment
  CHSC46471  Lonicera involucrata var. involucrata Vernon Oswald 1989-6-19 3808 Butte Road between Fall River and Cascade, ca. 7.5 mi (air) NNE of Feather Falls. 1219 Comment
  CHSC46472  Cuscuta subinclusa Vernon Oswald 1989-6-25 3811 Butte Cohasset at the junction of Cohasset Rd and (lower) Vilas Rd. 676 Comment
  CHSC46475  Hastingsia alba Vernon Oswald 1989-6-19 3810 Butte Feather Falls-Cascade Rd, ca. 0.7 mi s of the road to Camp 18. 1219 Comment
  CHSC46546  Ammi visnaga Vernon H. Oswald 1989-7-11 3840 Butte Rancho Aguas Frias. Aguas Frias Rd between Nelson and Grainland roads, just s of the Western Canal. 30 Comment
  CHSC46550  Aster radulinus Vernon H. Oswald 1989-7-18 3865 Butte West side of the road to Colby Mtn Lookout near the Butte-Tehama county line, ca. 0.5 mi (air) NW of Jonesville. 1554 Comment
  CHSC46551  Erigeron glacialis var. glacialis V. Oswald; L. Ahart 1989-7-12 3844 Butte Road between Bald Mtn Lookout and Jones Meadow, ca. 2.3 mi (air) nne of the lookout. Edge of meadow. 1828 Comment
  CHSC46552  Madia elegans subsp. elegans Vernon H. Oswald 1989-7-18 3861 Butte Hwy 32 north of Forest Ranch, slightly north of Headwaters Rd. Roadside. 871 Comment
  CHSC46554  Sagina saginoides V. Oswald; L. Ahart 1989-7-21 3873 Butte Southwest branch of upper Butte Creek, ca. 0.7 mi (air) se of Summit Lake, ca. 4.5 mi (air) se of Jonesville. On the edge of the creek. 1828 Comment
  CHSC46555  Stellaria calycantha V. Oswald; L. Ahart 1989-7-21 3874 Butte Southwest branch of upper Butte Creek, ca. 0.7 mi (air) se of Summit Lake, ca. 4.5 mi (air) se of Jonesville. On the edge of the creek. 1828 Comment
  CHSC46557  Stellaria obtusa V. Oswald; L. Ahart 1989-7-21 3875 Butte Southwest branch of upper Butte Creek, ca. 0.7 mi (air) se of Summit Lake, ca. 4.5 mi (air) se of Jonesville. On the edge of the creek. 1828 Comment
  CHSC46558  Stellaria umbellata V. Oswald; L. Ahart 1989-7-21 3876 Butte Southwest branch of upper Butte Creek, ca. 0.7 mi (air) se of Summit Lake, ca. 4.5 mi (air) se of Jonesville. On the edge of the creek. 1828 Comment
  CHSC46560  Vaccinium membranaceum V. Oswald; L. Ahart 1989-7-12 3857 Butte Slightly w of the Skyway, 1.4 mi s of Inskip. 1426 Comment
  CHSC46561  Lupinus lepidus var. sellulus V. Oswald 1989-7-12 3847 Butte Road between Jones Meadow and Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir. 1901 Comment
  CHSC46562  Zeltnera venusta Vernon H. Oswald 1989-7-17 3860 Butte Wurlitzer Unit, Vina Plains Preserve. On the edge of Singer Creek at the downstream end of Dead Man's Hole, near the north boundary. 57 Comment
  CHSC46565  Phacelia procera V. Oswald; L. Ahart 1989-7-12 3851 Butte Meadow near the headwaters of Big Kimshew Creek, ca. 2 mi (air) sw of Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir. 1926 Comment
  CHSC46567  Utricularia intermedia V. Oswald; L. Ahart 1989-7-21 3883 Butte Meadow paralleling Humbug Rd, just ne of the West Branch of the Feather River, ca. 0.5 mi ne of Snag Lake, ca. 2.5 mi (air) se of Jonesville. 1780 Comment
  CHSC46568  Arceuthobium americanum Vernon H. Oswald 1989-7-4 3839 Butte Butte Creek House, ca. 3.3 mi (air) se of Jonesville. 1767 Comment
  CHSC46571  Epilobium hallianum Vernon H. Oswald 1989-7-18 3866 Butte Jonesville Rd between Humboldt and Humbug roads, just se of where the road crosses Scotts John Creek. In a meadow on the north side of the road. 1737 Comment
  CHSC46572  Epilobium ciliatum subsp. glandulosum V. Oswald; L. Ahart 1989-7-12 3854 Butte Meadow near the headwaters of Big Kimshew Creek, ca. 2 mi (air) sw of Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir. Along the edge of the creek. 1901 Comment
  CHSC46573  Epilobium glaberrimum subsp. glaberrimum Vernon Oswald 1983-7-19 873 Butte Doon Campground, ca. 1 mi e of Lovelock on the Skyway n-e of Paradise. Along the railroad. 822 Comment
  CHSC46575  Epilobium glaberrimum subsp. glaberrimum V. Oswald; L. Ahart 1989-7-12 3856 Butte Road between Inskip and Jones Meadow, at Fish Creek. In a roadside drainage. 1432 Comment
  CHSC46578  Epilobium hornemannii subsp. hornemannii Vernon H. Oswald 1989-7-15 3859 Butte Meadow at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Ditch in the sw corner of the meadow. 1767 Comment
  CHSC46584  Polemonium occidentale V. Oswald; L. Ahart 1989-7-21 3871 Butte Near the junction of Willow and Colby creeks on the n side of Humboldt Rd, ca. 1 mi w of Jonesville. On the west border of the meadow near Humboldt Rd. 1490 Comment
  CHSC46586  Pyrola asarifolia subsp. asarifolia V. Oswald; L. Ahart 1989-7-21 3880 Butte Meadow paralleling Humbud Rd, just ne of the West Branch of the Feather River, ca. 0.5 mi ne of Snag Lake, ca. 2.5 mi (air) se of Jonesville. 1780 Comment
  CHSC46588  Potentilla drummondii V. Oswald; L. Ahart 1989-7-12 3855 Butte Meadow near the headwaters of Big Kimshew Creek, ca. 2 mi (air) sw of Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir. 1901 Comment
  CHSC46589  Horkelia fusca subsp. parviflora Vernon H. Oswald 1989-7-4 3837 Butte Meadow at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. At edge of meadow. 1767 Comment
  CHSC46590  Horkelia fusca subsp. tenella Vernon H. Oswald 1989-7-4 3838 Butte Meadow at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Edge of meadow. 1767 Comment
  CHSC46593  Micranthes bryophora V. Oswald; L. Ahart 1989-7-12 3849 Butte Road between Jones Meadow and Lotts Lake, ca. 3mi (air) se of Philbrook Reservoir. 1901 Comment
  CHSC46594  Digitalis purpurea V. Oswald; L. Ahart 1989-7-12 3841 Butte Loggin road (T-line) 0.5 mi (air) wnw of Bald Mtn Lookout, ne of Stirling City. 1487 Comment
  CHSC46596  Triteleia montana V. Oswald 1989-7-12 3846 Butte Road between Jones Meadow and Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir. 1901 Comment
  CHSC46600  Juncus bufonius var. occidentalis V. Oswald; L. Ahart 1989-7-21 3868 Butte Junction of Willow and Colby creeks on the n side of Humboldt Rd, ca. 1 mi w of Jonesville. On the w side of Colby Creek. 1487 Comment
  CHSC46601  Juncus hemiendytus var. hemiendytus V. Oswald; L. Ahart 1989-7-12 3848 Butte Road between Jones Meadow and Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir. 1901 Comment
  CHSC46604  Agrostis stolonifera V. Oswald; L. Ahart 1989-7-12 3845 Butte Road between Bald Mtn Lookout and Jones Meadow, ca. 2.3 mi (air) nne of the lookout. 1828 Comment
  CHSC46605  Alopecurus pratensis Vernon H. Oswald 1989-7-18 3867 Butte Meadow at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. 1767 Comment
  CHSC46607  Muhlenbergia andina V. Oswald; L. Ahart 1989-7-21 3885 Butte Meadow paralleling Humbug Rd, just ne of the West Branch of the Feather River, ca. 0.5 mi ne of Snag Lake, ca. 2.5 mi (air) se of Jonesville. 1780 Comment
  CHSC46608  Phleum alpinum V. Oswald; L. Ahart 1989-7-12 3853 Butte Meadow near the headwaters of Big Kimshew Creek, ca. 2 mi (air) sw of Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir. On meadow. 1901 Comment
  CHSC46613  Ceratophyllum demersum Vernon Oswald 1989-8-1 3910 Butte Butte Sink Wildlife Area (w portion of Schohr Ranch). In Little Dry Creek at the bridge ca. 1 mi n of Gridley-Colusa Hwy. 18 Comment
  CHSC46627  Potamogeton pectinatus Vernon H. Oswald 1988-8-5 3619 Butte Butte Community College, near the intersection of Durham-Pentz Rd and Clark Rd (Hwy 191). Pond. 85 Comment
  CHSC46667  Polystichum californicum Vernon H. Oswald 1989-7-12 3932 Butte Wurlitzer Unit, Vina Plains Preseve. On south side of Pine Creek between the bridge on Cana-Pine Creek Rd and the mouth of Singer Creek. 54 Comment
  CHSC46670  Symphyotrichum spathulatum var. yosemitanum Vernon H. Oswald; Lowell Ahart 1989-8-15 3941 Butte Soda Ridge Rd, 1.4 mi W of its junction with Coon Hollow Rd, ca. 1.2 mi (air) N of Philbrook Reservoir. 1752 Comment
  CHSC46675  Downingia bacigalupii V. Oswald; L. Ahart 1989-8-15 3943 Butte Soda Ridge Road, 1.4 mi w of its jct with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. 1752 Comment
  CHSC46678  Utricularia minor V. Oswald; L. Ahart 1989-8-15 3934 Butte Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. In drainages in a meadow bordering a shallow lake located n of and visible from the road. 1752 Comment
  CHSC46681  Epilobium oregonense V. Oswald; L. Ahart 1989-8-15 3935 Butte Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. In a meadow adjacent to a lake n of and visible from the road. 1752 Comment
  CHSC46684  Cordylanthus pilosus subsp. hansenii Vernon H. Oswald 1989-8-12 3933 Butte Wurlitzer Unit, Vina Plains Preserve. On the edge of Pine Creek just downstream from the mouth of Singer Creek. 54 Comment
  CHSC46685  Erythranthe lewisii V. Oswald; L. Ahart 1989-8-15 3945 Butte Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. 1780 Comment
  CHSC46686  Eleocharis suksdorfiana V. Oswald; L. Ahart 1989-8-15 3936 Butte Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. Meadow adjacent to a shallow spring-fed lake n of and visible from the road. 1752 Comment
  CHSC46689  Agrostis idahoensis V. Oswald; L. Ahart 1989-8-15 3944 Butte Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. 1752 Comment
  CHSC46693  Corallorhiza striata Vernon Oswald 1985-5-2 1742 Butte 0.2 mi w of Hwy 32 1.5 mi n of Forest Ranch Fire Station. 993 Comment
  CHSC46705  Gentiana newberryi var. tiogana V. Oswald; L. Ahart 1989-8-22 3956 Butte Butte Creek House Meadow on the e side of Humbug Rd, ca. 3.5 mi (air) se of Jonesville. 1767 Comment
  CHSC46708  Gayophytum humile V. Oswald; L. Ahart 1989-8-22 3955 Butte Butte Creek House Meadow on the e side of Humbug Rd, ca. 3.5 mi (air) se of Jonesville. Along the creek. 1767 Comment
  CHSC46714  Alopecurus aequalis V. Oswald; L. Ahart 1989-8-22 3957 Butte Butte Creek House Meadow on the e side of Humbug Rd, ca. 3.5 mi (air) se of Jonesville. 1767 Comment
  CHSC46864  Rudbeckia hirta var. pulcherrima Vernon Oswald 1989-8-29 3972 Butte North side of Butte Creek downstream from the bridge on Humboldt Rd just s of Cherry Hill, ca. 2 mi (air) wsw of Jonesville. Meadow bordering the creek. 1414 Comment
  CHSC46865  Subularia aquatica var. americana Vernon Oswald 1989-8-29 3974 Butte Largest of a cluster of three snow lakes located ca. 2 mi (air) e of the peak of Snow Mtn, ca. 3 mi (air) s of Humbug Summit. 1950 Comment
  CHSC46866  Atriplex argentea var. mohavensis Vernon Oswald 1989-9-6 3982 Butte West Liberty Rd along the n boundary of Gray Lodge Wildlife Area, 0.9 mi w of Pennington Rd. 19 Comment
  CHSC46869  Atriplex heterosperma Vernon Oswald 1989-9-6 3988 Butte Gray Lodge Wildlife Area just w of Parking Area 2. 19 Comment
  CHSC46873  Suaeda calceoliformis Vernon Oswald 1989-9-6 3981 Butte West Liberty Rd along the n boundary of Gray Lodge Wildlife Area, 0.8 mi w of Pennington Rd. Roadside drainage. 19 Comment
  CHSC46876  Ammannia robusta Vernon H. Oswald 1989-9-4 3976 Butte Wurlitzer Unit, Vina Plains Preserve. 56 Comment
  CHSC46878  Polygonum aviculare Vernon Oswald 1989-9-6 3991 Butte Between the Midway and the railroad at Butte Creek, ca. 1.5 mi sse of Durham. Rancho Esquon. Common weed on hard-packed soil of a parking area on the north edge of the creek. 30 Comment
  CHSC46880  Eleocharis suksdorfiana Vernon Oswald 1989-8-29 3971 Butte Boy Scout Camp at Chico Meadows, ca. 1 mi n of Butte Meadows. Bogs on the sloping meadow bordering Big Chico Creek near the impounded 'swimming hole. 1280 Comment
  CHSC46883  Melica aristata Vernon Oswald 1989-6-15 3807 Butte Logging road 2.2 mi s of Lomo (2.3 mi s of ford over Cedar Creek). 1219 Comment
  CHSC46885  Potamogeton pectinatus Vernon H. Oswald 1989-9-4 3977 Butte Wurlitzer Unit, Vina Plains Preserve. In the farm pond. 56 Comment
  CHSC46973  Lessingia virgata Vernon H. Oswald 1989-9-23 4013 Butte Butte Community College, between Parking Lot C and the Horse Arena. 106 Comment
  CHSC46974  Quercus chrysolepis var. nana Vernon H. Oswald 1989-8-9 3930 Butte Logging Rd (G-Line) paralleling Butte Creek, 0.8 mi sw of Humboldt Rd, ca. 1.5 mi (air) sw of Butte Meadows. 1310 Comment
  CHSC46976  Polygala cornuta var. cornuta Vernon H. Oswald 1989-9-27 4017 Butte Paradise Lake ca. 3 mi n of Magalia. On the edge of the roadway which surrounds the perimeter of the lake. 777 Comment
  CHSC46979  Imperata brevifolia Vernon H. Oswald 1989-9-28 4020 Butte Richardson Springs in the foothills ne of Chico. North of the falls on the East Branch of Mud Creek. 243 Comment
  CHSC46980  Poa compressa Vernon H. Oswald 1989-9-27 4018 Butte Paradise Lake ca. 3 mi n of Magalia. On the edge of Little Butte Creek where it enters the lake. 775 Comment
  CHSC46981  Setaria parviflora Vernon H. Oswald 1989-9-19 4012 Butte Chico Tree Improvement Center (former USDA Plant Introduction Station) in s Chico. Along Comanche Creek. 68 Comment
  CHSC46982  Potamogeton foliosus var. foliosus Vernon H. Oswald 1989-9-28 4022 Butte Richardson Springs in the foothills ne of Chico. In a pool in the bed of the East Branch of Mud Creek just above the falls. 213 Comment
  CHSC46985  Suaeda calceoliformis Vernon Oswald 1989-6-26 3816 Butte West Liberty Rd along north boundary of Gray Lodge Wildlife Area, 0.8 mi w of Pennington Rd. Ditches and roadside drainages. 198 Comment
  CHSC47126  Atriplex triangularis Vernon H. Oswald 1989-10-18 4025 Butte West Liberty Road along north boundary of Gray Lodge Wildlife Area, 0.8 mi w of Pennington Rd. 19 Comment
  CHSC47127  Wolffiella oblonga Vernon H. Oswald 1989-10-18 4026 Butte West end of West Liberty Rd along the n boundary of Gray Lodge Wildlife Area. In a pond. 19 Comment
  CHSC47129  Carex praegracilis Vernon Oswald 1983-3-31 239 Butte Upper Bidwell Park, Chico, beside Yahi Trail where it enters the wooded copse e of Diversion Dam (1.3 mi e of the power lines). 146 Comment
  CHSC47130  Carex densa Vernon Oswald 1983-4-6 294 Butte Upper Bidwell Park, Chico, on Yahi Trail between Brown's Hole and the e end of the park. 198 Comment
  CHSC47851  Artemisia biennis Vernon H. Oswald 1989-12-6 4030 Butte Arroyo Chico. Pine Creek Landing Site of Bidwell River Park, west of Chico. 42 Comment
  CHSC47852  Oxalis bowiei Vernon H. Oswald 1989-11-10 4027 Butte Table Mtn Blvd, 0.7 mi nw of Garden Drive, Thermalito. Along the edge of road at the bottom of railroad right of way. 91 Comment
  CHSC47965  Amaranthus rudis Vernon Oswald 1987-8-13 3218 Butte Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. Portion of Rancho Bosquejo. 48 Comment
  CHSC47968  Cycladenia humilis var. humilis Vernon Oswald 1987-5-21 2919 Butte Skyway 2.3 mi n of Inskip. 1584 Comment
  CHSC47972  Asclepias cordifolia Vernon Oswald 1984-5-23 1204 Butte Beside the dirt road leading to the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 487 Comment
  CHSC47975  Alnus incana subsp. tenuifolia Vernon Oswald 1984-7-31 1642 Butte Scotts John Creek at 26N27. 1755 Comment
  CHSC47977  Catalpa speciosa Vernon Oswald 1987-5-18 2912 Butte Rancho Bosquejo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). 48 Comment
  CHSC47985  Cynoglossum occidentale Vernon Oswald 1985-6-20 1847 Butte Near Jones Creek on Rd. 26N27, ca. 1 mi ne of Jonesville. 1630 Comment
  CHSC47986  Hackelia californica Vernon Oswald 1983-7-19 884 Butte Bull Hill Rd. 1.0 mi n of its jct. with the Skyway and Humbug Summit Rd. In a meadow. 1524 Comment
  CHSC47989  Heliotropium curassavicum Vernon Oswald 1983-6-28 778 Butte Graylodge Waterfowl Management Area in Parking Lot 4. Comment
  CHSC47993  Mertensia ciliata Vernon Oswald 1984-7-31 1641 Butte Humboldt Rd. at the Willow Creek--Colby Creek bridge. Near the creek. 1487 Comment
  CHSC47996  Plagiobothrys bracteatus Vernon Oswald 1984-5-13 1185 Butte Calif. Hwy 32 at the second bridge w of Nord-Hamilton-Cana Hwy. In a slough. 39 Comment
  CHSC47999  Plagiobothrys glyptocarpus var. glyptocarpus Vernon Oswald 1986-4-14 1068 Butte Upper Bidwell Park, Chico, on the edge of the first seep s of Upper Park Rd. and w of Parking Area O. 182 Comment
  CHSC48002  Plagiobothrys stipitatus Vernon Oswald 1983-5-6 434 Butte Nord-Cana Hwy. 0.5 mi n of Bennett Rd. Along the edge of a vernal pond. Comment
  CHSC48003  Callitriche marginata Vernon Oswald 1987-4-7 2313 Butte Butte Creek Reserve between Butte Creek and the Durham Mutual Ditch, e of Hwy 99. In ruts of a dirt track. 68 Comment
  CHSC48006  Asyneuma prenanthoides Vernon Oswald 1983-7-19 874 Butte Doon Campground, ca. 1 mi e of Love lock on the Skyway n-e of Paradise. 822 Comment
  CHSC48010  Downingia insignis Vernon Oswald 1985-5-8 1749 Butte Graylodge Waterfowl Management Area near Parking Lot #5 on Rutherford Rd. Comment
  CHSC48011  Githopsis pulchella subsp. campestris Vernon Oswald 1983-5-21 521 Butte Upper Bidwell Park, Chico, on the north rim ca. 1.6 mi e of the power lines. 341 Comment
  CHSC48012  Heterocodon rariflorum Vernon Oswald 1987-6-23 3022 Butte High Lakes Rd. 5.5 mi (odometer) n of Philbrook Rd. 1853 Comment
  CHSC48015  Linnaea borealis var. longiflora Vernon Oswald 1985-6-17 1845 Butte Quartz Creek' Rd., 0.4 mi S of Fall River, ca. 6 air miles NE of Feather Falls. 1066 Comment
  CHSC48017  Lonicera hispidula Vernon Oswald; M. S. Taylor 1985-5-30 1790 Butte Four Trees Rd. 0.5 mi E of Hwy 70. 536 Comment
  CHSC48129  Sericocarpus oregonensis Vernon H. Oswald 1985-8-15 1930 Butte Skyway 0.2 mi S of Inskeep. 1463 Comment
  CHSC48133  Calycadenia multiglandulosa Vernon H. Oswald 1985-6-15 1834 Butte Hurleton-Swedes Flat Rd. ca. 0.75 mi N of Swedes Flat Rd. 441 Comment
  CHSC48145  Erigeron annuus V. Oswald; L. Ahart 1988-6-17 3391 Butte North side of the dam at Lost Creek Reservoir. 1005 Comment
  CHSC48148  Erigeron inornatus var. calidipetris Vernon Oswald 1987-7-29 3161 Butte Coon Hollow Rd. 0.2 mi e of the W. Branch of the Feather River, ca. 2.5 mi (air) n of Philbrook Reservoir. At the edge of the road. 1645 Comment
  CHSC48150  Erigeron lassenianus var. lassenianus Vernon Oswald 1984-7-2 1340 Butte Humbug Rd. 0.3 mi s-w of Humbug Summit. 2023 Comment
  CHSC48154  Eriophyllum lanatum var. grandiflorum Vernon Oswald 1987-7-16 3134 Butte Bull Hill Rd. (Skyway) where it parallels Bull Creek, between Inskip and Butte Meadows. 1487 Comment
  CHSC48156  Eriophyllum lanatum var. grandiflorum Vernon Oswald 1983-6-22 749 Butte On the s side of Humboldt Rd. (to Butte Meadows) 3.3 mi n-e of Calif. Hwy. 32. 1386 Comment
  CHSC48159  Ericameria bloomeri Vernon Oswald 1985-8-28 1933 Butte Humboldt Rd. 0.2 mi s of Humboldt Summit. 2005 Comment
  CHSC48174  Lagophylla ramosissima subsp. ramosissima Vernon Oswald 1984-5-21 1191 Butte Humbug Rd. (Centerville Rd.), 4.1 mi s-w of Nimshew Ridge Rd. 396 Comment
  CHSC48179  Madia gracilis Vernon Oswald 1985-5-28 1787 Butte Oroville-Quincy Hwy at the first pull-out on the e side of the road 0.8 mi n of Bidwell Bar Bridge. 320 Comment
  CHSC48180  Jensia rammii Vernon Oswald 1988-5-17 3310 Butte Forbestown Rd. 2.2 mi e of Oroville-Quincy Hwy (Hwy 162). Along the edge of the road. 426 Comment
  CHSC48181  Madia gracilis Vernon Oswald 1984-5-21 1190 Butte Humbug Rd. (Centerville Rd.), 4.1 mi s-w of Nimshew Ridge Rd. 396 Comment
  CHSC48185  Microseris douglasii subsp. douglasii Vernon Oswald 1988-5-2 3293 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Along the west fence line. 54 Comment
  CHSC48190  Psilocarphus brevissimus var. brevissimus Vernon Oswald 1983-5-11 465 Butte Upper Bidwell Park, Chico, along the n shore of Horseshoe Lake. 100 Comment
  CHSC48191  Psilocarphus oregonus Vernon Oswald 1987-4-15 2327 Butte Butte Creek Reserve on the s side of Butte Creek e of Hwy 99 near the valve which regulates Durham Mutual Ditch. 68 Comment
  CHSC48192  Psilocarphus tenellus var. tenellus Vernon Oswald 1987-4-15 2328 Butte Butte Creek Preserve on the s side of Butte Creek e of Hwy 99 near the valve which regulates Durham Mutual Ditch. 68 Comment
  CHSC48195  Packera eurycephala var. eurycephala Vernon Oswald 1987-6-2 2949 Butte On the s side of the Oroville-Wyandotte Canal about 3 mi ne of Forbestown, on the se side of Forbestown Reservoir Rd. 883 Comment
  CHSC48198  Solidago velutina subsp. californica Vernon Oswald 1985-9-2 1937 Butte Flea Valley--Sawmill Peak Rd. (V-line) 1.8 mi w of Flea Valley. 1066 Comment
  CHSC48202  Wyethia mollis Vernon Oswald 1984-7-31 1632 Butte Scotts John Creek, 2.6 mi N of 26N27 1828 Comment
  CHSC48247  Eremogone cliftonii Vernon Oswald 1985-4-21 1713 Butte Between the WPRR and North Branch of the Feather River sw of Mayaro. 457 Comment
  CHSC48251  Cerastium fontanum subsp. vulgare Vernon Oswald 1984-5-16 1187 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek at Five Mile Recreation Area. In lawn. 82 Comment
  CHSC48255  Herniaria hirsuta subsp. hirsuta Vernon Oswald 1987-4-16 2331 Butte Butte Creek Preserve on the n side of Butte Creek e of the Skyway. On a flood plain of the creek. 74 Comment
  CHSC48258  Moehringia macrophylla Vernon Oswald 1984-4-9 1127 Butte Feather Falls Trail near Frey Creek, 1.25 trail mi. from the trail head at the end of Bryant Ravine Rd. 560 Comment
  CHSC48261  Sagina saginoides Vernon Oswald 1987-5-12 2393 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between Crouch Ditch dam and the double set of transmission lines. On the edge of Butte Creek. 80 Comment
  CHSC48262  Sagina saginoides Vernon Oswald 1984-5-23 1199 Butte Near the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area. 512 Comment
  CHSC48264  Silene occidentalis subsp. occidentalis Vernon Oswald 1987-6-29 3039 Butte Jones Meadow Rd. e of Inskip, ca. 0.3 mi e of the intersection of the last section of road to Jones Meadow, at the East Fork of Last Chance Creek. On the n side of the creek. 1734 Comment
  CHSC48265  Silene bernardina Vernon Oswald 1985-7-21 1909 Butte Jones Meadow Rd. ca. 0.1 mi s of its jct. with the dirt road coming in from Inskeep, ca. 0.7 air mi wnw of Jones Meadow Lake. On the edge of the road. 1737 Comment
  CHSC48268  Silene lemmonii Vernon H. Oswald 1983-8-17 982 Butte Humboldt Summit on Humboldt Rd, ca. 3.3 mi ne of Jonesville, at the junction of Butte, Tehama, and Plumas counties. 1999 Comment
  CHSC48271  Spergularia marina V. Oswald 1988-5-25 3341 Butte Gray Lodge Waterfowl Management Area, ca. 0.25 mi s of Rutherford Rd., 0.5 mi w of Pennington Rd. Bottom of a pond. 21 Comment
  CHSC48275  Stellaria crispa Vernon Oswald 1987-8-10 3208 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. On the edge of a streamlet at the e end of the largest (south) lake. 1935 Comment
  CHSC48277  Pseudostellaria jamesiana Vernon Oswald 1983-7-19 877 Butte Philbrook Rd. at the W. branch of the Feather River. 1554 Comment
  CHSC48280  Stellaria obtusa Vernon Oswald 1987-6-9 2975 Butte Ca. 3 mi ne of Jonesville on the road paralleling Scotts John Creek, 2 mi n of the road connecting Humboldt and Humbug roads. Near the creek. 1828 Comment
  CHSC48282  Ceratophyllum demersum Vernon Oswald 1984-7-19 1607 Butte Bidwell State Park between W. Sacramento Ave. and Big Chico Creek at the boat ramp. In a slough of the Sacramento River. 39 Comment
  CHSC48286  Atriplex serenana var. serenana Vernon Oswald 1983-6-28 779 Butte Graylodge Waterfowl Management Area in Parking Lot 4. Comment
  CHSC48289  Chenopodium album Vernon Oswald 1987-8-9 3195 Butte Hwy 32 n of Forest Ranch at the 35.9 mi road marker, 2.1 mi sw of Lomo. 1127 Comment
  CHSC48293  Dysphania pumilio Vernon Oswald 1987-7-13 3103 Butte Humboldt Rd. between Butte Meadows and Jonesville at Cherry Hill Campground. 1438 Comment
  CHSC48296  Salsola tragus Vernon Oswald 1985-9-16 1678 Butte Upper Bidwell park, Chico, in Lindo Channel at Five Mile Recreation Area. 79 Comment
  CHSC48305  Cornus sessilis Vernon Oswald 1987-4-14 2324 Butte Butte Creek Trail ca. 0.2 mi s of the trailhead near the bridge over Butte Creek nne of De Sabla. 609 Comment
  CHSC48307  Cornus sericea subsp. sericea Vernon Oswald 1987-6-23 3007 Butte Just w of the Skyway, 1.4 mi (odometer) s of Inskip. 1426 Comment
  CHSC48308  Cornus sericea subsp. sericea Vernon Oswald 1987-6-23 3012 Butte Hiogh Lakes Rd. 1.4 mi (odometer) n of Philbrook Rd. 1767 Comment
  CHSC48313  Barbarea orthoceras Vernon Oswald 1987-4-6 2306 Butte Butte Creek Reserve on the n side of Butte Creek n of the Skyway, ca. 200 ft w of the single transmission line. Flood plain of the creek. 80 Comment
  CHSC48314  Barbarea orthoceras Vernon Oswald 1984-5-9 1180 Butte Near Camp Lassen, Chico Meadows on Scout Rd ca. 1 mi n of Butte Meadows. 1292 Comment
  CHSC48320  Lepidium appelianum Vernon Oswald 1987-5-3 2365 Butte Rancho Bosquejo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). 48 Comment
  CHSC48321  Lepidium chalepense Vernon Oswald 1987-5-4 2368 Butte Bidwell River State Park ca. 300 ft n of Big Chico Creek. 36 Comment
  CHSC48322  Lepidium didymum Vernon Oswald 1984-5-27 1209 Butte Sacramento River, Bidwell State Park, near the boat ramp. 39 Comment
  CHSC48324  Cardamine nuttallii var. covilleana Vernon Oswald 1984-7-2 1335 Butte Humbug Summit. 2046 Comment
  CHSC48330  Draba verna var. aestivalis Vernon Oswald 1986-3-16 1050 Butte Upper Bidwell Park, Chico, just east of Parking Area H at Day Camp. 97 Comment
  CHSC48331  Draba verna var. verna Vernon Oswald 1987-3-26 2296 Butte Butte Creek Reserve on the e side of the Skyway and n side of Butte Creek near the entry gate. 71 Comment
  CHSC48335  Lepidium latifolium Vernon Oswald 1983-6-28 787 Butte Graylodge Waterfowl Management Area, in Parking Lot #3. Comment
  CHSC48337  Lepidium pinnatifidum Vernon Oswald 1983-6-28 784 Butte Graylodge Waterfowl Management Area near Parking Lot 16. On roadways in the refuge. Comment
  CHSC48343  Planodes virginica Vernon Oswald 1985-3-17 1685 Butte Peter Ahart Ranch ca. 1.5 mi n of Honcut. In pasture ca. 300 ft e of the home. 33 Comment
  CHSC48345  Sisymbrium irio Vernon Oswald 1984-3-24 1103 Butte Chico Municipal Airport, ca. 200 ft e of the e end of Piper Ave. 82 Comment
  CHSC48352  Streptanthus polygaloides Vernon Oswald 1985-4-21 1715 Butte Along the WPRR between Pulga and Dogwood Creek. 457 Comment
  CHSC48360  Cuscuta californica var. californica V. Oswald 1988-5-25 3339 Butte Just nw of intersection of Pennington Rd. and Rutherford Rd. at Gray Lodge Waterfowl Management Area. 21 Comment
  CHSC48362  Cuscuta pentagona Vernon Oswald 1987-6-12 2997 Butte West side of Sacramento River (but technically in Butte County because of shifting channel) between Big Chico Creek and Phelan Island, ca. 0.75 mi s of Big Chico Creek. 35 Comment
  CHSC48365  Cuscuta indecora var. indecora Vernon Oswald 1988-8-15 3691 Butte Fernandez Grant. East border of the large pond in the Oroville Wildlife Area on the west side of the Feather River between the levels of Walnut and Biggs Ave. 32 Comment
  CHSC48371  Arctostaphylos mewukka subsp. mewukka Vernon Oswald 1987-3-20 2293 Butte North side of Skyway 2.7 mi W of junction with Neal Rd. just east of overlook. 335 Comment
  CHSC48372  Arctostaphylos nevadensis Vernon Oswald 1983-8-17 994 Butte On Humboldt Peak, NE of Jonesville. 2158 Comment
  CHSC48373  Arctostaphylos mewukka subsp. truei Vernon Oswald 1985-2-28 1682 Butte Near Coutolenc Rd. ca. 0.1 mi N of the Skyway on the N edge of the Magalia Serpentine. Comment
  CHSC48377  Rhododendron occidentale Vernon H. Oswald 1983-7-15 872 Butte Doon Camp on s side of Skyway, about ca. 1 mi e of Lovelock. 853 Comment
  CHSC48378  Euphorbia crenulata Vernon Oswald 1985-4-21 1716 Butte Along the road between Pulga and Mayaro sw of the falls on Dogwood Creek. 548 Comment
  CHSC48386  Quercus vacciniifolia Vernon Oswald 1987-5-21 2917 Butte East of Jonesville on the road connecting Humboldt and Humbug Rds, 1.6 mi w of Scotts John Creek. 1706 Comment
  CHSC48438  Corydalis caseana subsp. caseana Vernon Oswald 1987-6-29 3036 Butte Jones Meadow Rd. e of Inskip at a small streamlet which joins Last Chance Creek just downstream from its East Fork. 1676 Comment
  CHSC48440  Dicentra formosa subsp. formosa Vernon Oswald 1984-4-9 1134 Butte Feather Falls Trail, 2.2 trail mi. from the trail head at the end of Bryant Ravine Rd. 548 Comment
  CHSC48444  Garrya fremontii Vernon Oswald 1983-1-13 44 Butte Along Highway 32 ca. 8 mi n-e of Chico. 512 Comment
  CHSC48446  Cicendia quadrangularis Vernon Oswald 1984-3-25 1105 Butte Upper Bidwell Park, Chico, ca. 100 ft s of Salmon Hole Parking Lot. Along Yahi Trail. 152 Comment
  CHSC48451  Gentianella amarella subsp. acuta Vernon Oswald; Lowell Ahart 1987-8-5 3191 Butte Scotts John Creek 0.6 mi n of the road connecting Humboldt and Humbug roads. 1780 Comment
  CHSC48452  Gentianopsis simplex Vernon Oswald 1987-7-16 3117 Butte Slightly w of the Skyway 1.4 mi s of Inskip. Meadow. 1426 Comment
  CHSC48453  Erodium botrys Vernon Oswald 1984-3-7 1089 Butte Upper Bidwell Park, Chico, beside the creek trail w of Alligator Hole. 91 Comment
  CHSC48458  Myriophyllum spicatum Vernon Oswald 1988-8-15 3690 Butte Fernandez Grant. East border of the large pond in the Oroville Wildlife Area on the west side of the Feather River between the levels of Walnut and Biggs Ave. 32 Comment
  CHSC48460  Draperia systyla Vernon Oswald 1983-7-19 876 Butte Skyway, 1.3 mi s of Inskip. Growing on a dry forest floor in yellow pine forest. 1432 Comment
  CHSC48462  Hydrophyllum occidentale Vernon Oswald 1984-4-9 1128 Butte Feather Falls Trail near Frey Creek, 1.25 trail mi. from the trail head at the end of Bryant Ravine Rd. 560 Comment
  CHSC48475  Phacelia racemosa Vernon Oswald; Lowell Ahart 1987-6-10 2981 Butte Forest Service road joining Humbug Rd., in the first drainage e of Humbug Rd. 1874 Comment
  CHSC48477  Phacelia vallicola Vernon Oswald 1986-4-28 1982 Butte Overlook on the Skyway 2.6 mi s of Neal Rd. 335 Comment
  CHSC48484  Lamium amplexicaule Vernon Oswald 1984-2-27 1085 Butte Upper Bidweel Park, Chico, in the 'new day camp' area to Hooker Oak Recreation Area. 79 Comment
  CHSC48486  Mentha X piperita Vernon Oswald 1987-7-23 3147 Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Rd. between the s half of Cana Lake (Dicus Slough) and the Sacramento River. 48 Comment
  CHSC48487  Mentha pulegium Vernon Oswald 1987-6-12 2995 Butte East side of the Sacramento River just n of Golden State Island (perhaps technically in Glenn County because of shifting channel). 33 Comment
  CHSC48489  Monardella odoratissima subsp. pallida Vernon Oswald 1987-7-16 3133 Butte Bull Hill Rd. (Skyway) where it parallels Bull Creek, between Inskip and Butte Meadows. 1487 Comment
  CHSC48493  Pogogyne douglasii Vernon Oswald 1986-4-28 1983 Butte Hamilton-Nord-Cana Hwy 0.5 mi n of Bennett Rd. 48 Comment
  CHSC48494  Prunella vulgaris var. vulgaris Vernon Oswald 1984-6-5 1255 Butte Upper Bidwell Park, Chico, at Five Mile Recreation Area. 85 Comment
  CHSC48495  Pycnanthemum californicum Vernon Oswald 1986-7-7 2184 Butte Millsap Bar Rd. 3.2 mi e of Bald Rd. near Brush Creek. 914 Comment
  CHSC48500  Stachys pycnantha Vernon H. Oswald 1986-7-7 2185 Butte Millsqap Bar Rd. 3.6 mi e of Bald Rock Rd. near Brush Creek. 914 Comment
  CHSC48502  Trichostema oblongum Vernon Oswald 1984-7-31 1638 Butte Scotts John Creek, 0.9 mi n of 26N27. 1786 Comment
  CHSC48505  Astragalus pauperculus Vernon Oswald 1986-4-18 1971 Butte Ponderosa Way between Cohasset and Hwy 32 0.3 mi s of private road on Musty Buck Ridge paralleling the E. Branch of Mud Creek. 804 Comment
  CHSC48507  Lathyrus nevadensis var. nevadensis Vernon Oswald 1985-4-29 1731 Butte Bald Rock Rd. 0.3 mi ne of the trailhead to Big Bald Rock. 975 Comment
  CHSC48508  Lathyrus nevadensis var. nevadensis Vernon H. Oswald 1984-4-16 1153 Butte Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. 853 Comment
  CHSC48517  Hosackia oblongifolia var. oblongifolia Vernon Oswald 1987-5-26 2930 Butte Rancho Bosquelo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). On an old channel of the river. 48 Comment
  CHSC48520  Lupinus albicaulis Vernon Oswald 1984-5-23 1205 Butte Calif. Hwy 70 at Heinz Creek, 0.5 mi n-e of Poe Power House. 463 Comment
  CHSC48521  Lupinus albicaulis Vernon Oswald 1985-5-2 1742 Butte Hwy 32 0.3 mi ne of the business center of Forest Ranch. 670 Comment
  CHSC48525  Lupinus bicolor var. pipersmithii Vernon Oswald 1985-3-17 1686 Butte Peter Ahart Ranch ca. 2 mi ne of Honcut. 32 Comment
  CHSC48527  Lupinus bicolor var. tridentatus Vernon Oswald 1987-4-28 2349 Butte Rim Rd. (Ponderosa Way) 3.6 mi n of Hwy 70 at Jarbo Gap. 853 Comment
  CHSC48528  Lupinus bicolor var. tridentatus Vernon Oswald 1984-3-7 1090 Butte Upper Bidwell Park, Chico, beside Yahi Trail at Salmon Hole. 158 Comment
  CHSC48532  Lupinus latifolius var. columbianus Vernon Oswald 1987-6-29 3037 Butte Jones Meadow Rd. e of Inskip, 0.3 mi w of the intersection of the turn to Jones Meadow. 1706 Comment
  CHSC48535  Lupinus nanus var. apricus Vernon Oswald 1983-3-31 245 Butte Upper Bidwell Park, Chico, beside Yahi Trail between Day Camp and Bear Hole. 103 Comment
  CHSC48536  Lupinus obtusilobus Vernon Oswald; Lowell Ahart 1987-7-1 3069 Butte Humbug Rd. 0.3 mi w of Butte Creek, ca. 2 mi (air) ese of Jonesville. 1755 Comment
  CHSC48547  Carex bolanderi Vernon Oswald 1983-6-17 704 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek ca. 100 ft w of Day Camp. 91 Comment
  CHSC48561  Lupinus polyphyllus var. burkei Vernon Oswald 1984-6-11 1280 Butte Near Humboldt Rd, at Butte Creek, 0.2 mi w of Cherry Hill Campground. 1414 Comment
  CHSC48567  Lupinus microcarpus var. microcarpus Vernon Oswald 1987-4-27 2347 Butte Forest Ave. ca. 300 ft s of E. 20th St., Chico. 71 Comment
  CHSC48570  Hoita orbicularis Vernon Oswald 1985-7-15 1905 Butte Concow Meadow located ca. 0.1 mi w of Concow Rd. at a point 1.4 mi n of Ponderosa Way or Rim Rd. Growing on the edge of Concow Creek. 1097 Comment
  CHSC48571  Rupertia hallii Vernon Oswald 1987-6-9 2977 Butte Humboldt Rd. between Lomo and Butte Meadows, 1.9 mi ne of Hwy 32. 1380 Comment
  CHSC48572  Trifolium albopurpureum var. olivaceum Vernon Oswald 1985-4-4 1701 Butte Spur of old Hwy 32 s of Crown Point Rd. 533 Comment
  CHSC48575  Trifolium breweri Vernon Oswald 1987-6-9 2965 Butte Road paralleling Scotts John Creek, 0.4 mi n of the connector road between Humboldt and Humbug roads, ca. 2.5 mi e of Jonesville. 1755 Comment
  CHSC48577  Trifolium cyathiferum Vernon Oswald 1987-6-23 3023 Butte High Lakes Rd. 5.5 mi (odometer) n of Philbrook Rd. 1853 Comment
  CHSC48578  Trifolium dubium Vernon Oswald 1986-4-30 1992 Butte Upper Bidwell Park, Chico, along Yahi Trail just south of Parking Area N at Salmon Hole. 158 Comment
  CHSC48579  Trifolium fragiferum Vernon Oswald 1987-7-23 3146 Butte Portion of Ranch Bosquejo. Feenstra's Riverview Orchard at the w end of Cana Rd. between the s half of Cana Lake (Discus Slough) and the Sacramento River. Between the orchard and the n side of Cana Lake. 48 Comment
  CHSC48582  Trifolium microcephalum Vernon Oswald 1987-6-23 3024 Butte High Lakes Rd. 5.5 mi (odometer) n of Philbrook Rd. 1853 Comment
  CHSC48583  Trifolium monanthum subsp. monanthum Vernon Oswald 1984-7-2 1342 Butte Humbug Rd. 1.2 mi s-w of Humbug Summit. 1877 Comment
  CHSC48584  Trifolium monanthum subsp. monanthum Vernon Oswald 1987-7-13 3116 Butte Cold Springs, ca. 0.5 mi sw of Humbug Summit. 1975 Comment
  CHSC48586  Trifolium pratense Vernon Oswald 1987-7-13 3101 Butte Chico Meadows, ca. 1 mi n of Butte Meadows. 1292 Comment
  CHSC48593  Vicia benghalensis Vernon Oswald 1987-10-8 3241 Butte Chico Tree Improvement Center in se Chico. 68 Comment
  CHSC48594  Limnanthes floccosa subsp. californica Vernon Oswald 1984-3-24 1104 Butte Chico Municipal Airport, ca. 200 ft n-e of the e end of Piper Ave. 82 Comment
  CHSC48596  Limnanthes alba subsp. alba Vernon Oswald 1988-5-17 3311 Butte Forbestown Rd. 2.2 mi e of Oroville-Quincy Hwy (Hwy 162). Along the edge of the road. 426 Comment
  CHSC48601  Hesperolinon micranthum Vernon Oswald 1985-5-2 1743 Butte Spur road on the w side of Hsy 32 opposite Crown Point Rd. s of Forest Ranch. Growing on a bare bank of red dirt beside the road. 585 Comment
  CHSC48602  Hesperolinon micranthum Vernon Oswald 1983-7-6 805 Butte Near Calif. Hwy. 32, 6.3 mi n-e of Forest Ranch. Growing on an old logging road in yellow pine forest. 1036 Comment
  CHSC48607  Arceuthobium occidentale Vernon Oswald 1982-11-8 12 Butte Near State Highway 32 7.9 mi n-e of Chico. 463 Comment
  CHSC48608  Phoradendron densum Vernon Oswald 1982-11-14 16 Butte Coutolenc Rd. 300 ft n of its junction with the Skyway at Magalia. 707 Comment
  CHSC48612  Sidalcea gigantea Vernon Oswald 1984-7-12 1569 Butte Skyway 1.4 mi s of Inskeep. 1402 Comment
  CHSC48613  Sidalcea oregana subsp. spicata Vernon Oswald 1983-8-4 951 Butte Chico Meadows, ca. 1 mi n of Butte Meadows. 1292 Comment
  CHSC48614  Eucalyptus camaldulensis Vernon Oswald 1987-7-4 3090 Butte Rancho Aquas Frias. Nelson West Rd. at 7-Mile Lane, between Chico and Butte City. 30 Comment
  CHSC48616  Eucalyptus rudis Vernon Oswald 1987-7-4 3089 Butte Rancho Aquas Frias. Nelson West Rd. at 7-Mile Lane, between Chico and Butte City. 30 Comment
  CHSC48619  Camissonia contorta Vernon Oswald 1988-3-17 3259 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 54 Comment
  CHSC48625  Clarkia gracilis subsp. albicaulis Vernon Oswald 1984-5-28 1210 Butte Cohasset Rd., 3.0 mi n-e of its jct. with Keefer Rd. Beside the road. 243 Comment
  CHSC48628  Clarkia mildrediae subsp. mildrediae Vernon Oswald 1984-7-9 1354 Butte Near falls on Bear Ranch Creek s-e of Hwy 70 at Cresta Rest Area. 512 Comment
  CHSC48630  Clarkia mildrediae subsp. mildrediae Vernon Oswald 1985-6-20 1846 Butte Hwy 32 0.2 mi s of Headwaters Rd. between Forest Ranch and Platte Mtn. Lookout. Near the road. 944 Comment
  CHSC48632  Epilobium minutum Vernon Oswald 1987-6-2 2943 Butte Butte-Yuba County line about 3 mi ne of Forbestown, on the se side of Forbestown Reservoir Rd. 883 Comment
  CHSC48637  Oenothera elata subsp. hirsutissima Vernon Oswald 1987-6-12 2994 Butte East side of Sacramento River just n of Golden State Island (perhaps technically in Glenn County because of shifting channel). Along the river. 33 Comment
  CHSC48638  Oenothera elata subsp. hirsutissima Vernon Oswald 1987-6-12 2993 Butte East side of Sacramento River just n of Golden State Island (perhaps technically in Glenn County because of shifting channel). Along the river. 33 Comment
  CHSC48640  Orobanche fasciculata Vernon Oswald 1987-4-14 2324 Butte Garland Rd. 0.3 mi n of Doe Mill Rd. (ene of Forest Ranch). 524 Comment
  CHSC48642  Orobanche fasciculata Vernon Oswald 1984-6-7 1256 Butte Between Chico and Forest Ranch on an abandoned section of old Hwy 32, 9.9 mi n-e of Hwy 99. 487 Comment
  CHSC48643  Aphyllon purpureum Vernon Oswald 1987-6-23 3027 Butte High Lakes Rd. 5.5 mi (odometer) n of Philbrook Rd. 1853 Comment
  CHSC48646  Allophyllum integrifolium Vernon Oswald 1986-6-22 2140 Butte Humboldt Rd. 2.7 mi e of Butte Meadows. 1414 Comment
  CHSC48651  Navarretia leptalea Vernon Oswald 1984-7-31 1637 Butte Scotts John Creek, 0.9 mi n of 26N27. 1786 Comment
  CHSC48655  Navarretia divaricata Vernon Oswald 1983-7-6 834 Butte Beside Calif. Hwy. 32, 0.2 mi s-w of its jct. with Humboldt Rd. to Butte Meadows. At the edge of the road. 1188 Comment
  CHSC48661  Persicaria amphibia Vernon Oswald 1987-7-4 3091 Butte Rancho Aquas Frias. 7-Mile Lane, 2.8 mi s of Dayton-Ord Hwy, between Chico and Butte City. Growing in a dry roadside ditch. 33 Comment
  CHSC48665  Dodecatheon alpinum Vernon Oswald 1983-7-6 828 Butte Near Humboldt Rd. 3.4 mi n-e of Butte Meadows. 1432 Comment
  CHSC48667  Dodecatheon hendersonii Vernon Oswald 1984-4-9 1124 Butte Feather Falls Trail, 0.75 trail mi n of the trail head at the end of Bryant Ravine Rd. 701 Comment
  CHSC48670  Chimaphila menziesii Vernon Oswald 1983-8-17 998 Butte Pacific Crest trail ca. 2000 ft E of Humboldt Summit. 2011 Comment
  CHSC48671  Chimaphila umbellata Vernon Oswald 1987-7-16 3128 Butte West Branch of Feather River where it crosses the road to Jones Meadow, ca. 1 mi (air) ne of Inskip. 1341 Comment
  CHSC48672  Pterospora andromedea Vernon Oswald 1983-7-6 811 Butte Near Calif. Hwy. 32, 11.7 mi n-e of Forest Ranch. 1158 Comment
  CHSC48675  Pyrola aphylla Vernon Oswald 1987-7-13 3106 Butte Near Jones Creek, ca. .25 mi n of the road connecting Humboldt and Humbug roads, ca. 1.25 mi (air) ne of Jonesville. 1645 Comment
  CHSC48677  Pyrola dentata Vernon Oswald; Lowell Ahart 1987-7-1 3063 Butte Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville. 1813 Comment
  CHSC48678  Pyrola dentata Vernon Oswald 1983-7-26 916 Butte Calif. Hwy 32, 11.8 mi n-e of Forest Ranch. 1158 Comment
  CHSC48684  Anemone oregana Vernon Oswald 1984-4-16 1156 Butte Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. 853 Comment
  CHSC48689  Delphinium patens subsp. patens Vernon Oswald 1985-5-2 1745 Butte Concow Rd. 1.1 mi sw of its jct. with Ponderosa Way. 853 Comment
  CHSC48694  Ranunculus alismifolius var. alismellus Vernon Oswald 1984-6-11 1281 Butte Near Humboldt Rd. at Butte Creek, 0.2 mi w of Cherry Hill Campground. Edge of meadow. 1414 Comment
  CHSC48695  Ranunculus aquatilis var. aquatilis Vernon Oswald; Lowell Ahart 1987-7-1 3072 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. In the largest lake. 1935 Comment
  CHSC48696  Ranunculus aquatilis var. aquatilis Vernon Oswald 1984-3-26 1088 Butte Beside Meridian Rd. ca 9.5 mi nnw of Chico and 0.6 mi s of the Tehama-Butte County line. In a drainage in a field. 83 Comment
  CHSC48821  Ranunculus canus Vernon Oswald 1987-4-6 2310 Butte Field on the e side of Forest Ave. ca. 0.2 mi s of E. 20th St. 68 Comment
  CHSC48823  Kumlienia hystricula Vernon Oswald 1985-4-1 1692 Butte Oroville-Quincy Rd. 0.8 mi s of Canyon Creek Bridge. On the edge of an intermittent stream. Comment
  CHSC48824  Ranunculus occidentalis var. ultramontanus Vernon Oswald 1984-5-21 1192 Butte Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. 853 Comment
  CHSC48826  Ranunculus orthorhynchus var. orthorhynchus Vernon Oswald 1984-5-9 1183 Butte Near Camp Lassen, Chico Meadows on Scout Rd. ca. 1 mi n of Butte Meadows. In a meadow. 1292 Comment
  CHSC48830  Ranunculus uncinatus var. parviflorus Vernon Oswald 1987-7-13 3105 Butte Jones Creek, ca. .25 mi n of the road connecting Humboldt and Humbug roads, ca. 1.25 mi (air) ne of Jonesville. 1645 Comment
  CHSC48833  Trautvetteria caroliniensis var. occidentalis Vernon Oswald 1985-6-17 1844 Butte Quartz Creek' Rd., 0.7 mi n of Lumpkin-La Porte Rd., ca. 5 air miles ne of Feather Falls. Near a spring. 1127 Comment
  CHSC48834  Ceanothus lemmonii Vernon Oswald 1984-4-9 1119 Butte Jct. of Forbestown Rd. and Lumpkin Rd., ca. 10 mi e of Oroville. 548 Comment
  CHSC48836  Ceanothus velutinus Vernon H. Oswald 1983-8-17 993 Butte Trail between Humboldt Summit and Humboldt Peak, ca 3 mi ne of Jonesville. 2097 Comment
  CHSC48839  Adenostoma fasciculatum Vernon Oswald 1986-5-6 1994 Butte Cohasset Ridge along the dirt road paralleling Cohasset Hwy on the south. 457 Comment
  CHSC48840  Agrimonia gryposepala Vernon Oswald 1985-7-24 1911 Butte East meadow at Doon Camp located on the Skyway ca. 1 mi e of Lovelock. 841 Comment
  CHSC48841  Amelanchier utahensis Vernon Oswald; Lowell Ahart 1987-8-5 3193 Butte Scotts John Creek 1.3 mi n of the road connecting Humboldt and Humbug roads. 1813 Comment
  CHSC48842  Chamaebatia foliolosa Vernon Oswald 1985-5-20 1773 Butte Forbestown Rd. 0.3 mi ne of Robinson Mill Rd. 822 Comment
  CHSC48845  Geum macrophyllum Vernon Oswald 1984-6-7 1268 Butte Calif. Hwy 32, 1.2 mi n of Chico Creek Bridge. On the edge of a spring. 1109 Comment
  CHSC48847  Holodiscus microphyllus var. glabrescens Vernon Oswald 1987-7-13 3111 Butte Summit Lake on the n side of Snow Mt, ca. 4 mi (air) se of Jonesville. On the s side of the lake. 1901 Comment
  CHSC48854  Horkelia tridentata Vernon Oswald 1983-6-22 743 Butte Near Humboldt Rd. (to Butte Meadows) 2.1 mi n-e of Calif. Hwy 32. 1310 Comment
  CHSC48856  Physocarpus capitatus Vernon Oswald; M. S. Taylor 1985-5-30 1789 Butte Four Trees Rd. 0.5 mi e of Hwy 70. Along the road. 536 Comment
  CHSC48866  Prunus avium Vernon Oswald 1987-5-6 2372 Butte Dredger tailings on the w side of Hwy 99 ca. 0.5 mi nw of Butte Creek Bridge. On the edge of a pond. 65 Comment
  CHSC48867  Prunus emarginata Vernon Oswald 1984-6-11 1286 Butte Humboldt Rd., 2.3 mi n-e of its jct. with Rd. 26N27 to Humbug Summit (near the n-e corner of Butte County). 1920 Comment
  CHSC48869  Prunus virginiana var. demissa Vernon Oswald 1987-4-20 2336 Butte Butte Creek Reserve on the s side of the creek ne of the Skyway. On slope bordering the s edge of the Reserve. 91 Comment
  CHSC48870  Rubus glaucifolius Vernon Oswald 1985-6-10 1827 Butte 0.2 mi w of Hwy 32 on a spur road located 0.1 mi s of Forest Ranch Forest Fire Station. 1042 Comment
  CHSC48872  Rubus parviflorus Vernon Oswald 1984-5-23 1206 Butte Calif. Hwy 70 at Heinz Creek, 0.5 mi n-e of Poe Power House. Near the creek. 463 Comment
  CHSC48873  Rubus ursinus Vernon Oswald 1983-4-10 319 Butte Upper Bidwell Park, Chico, at Bare Hole. Along Chico Creek. 109 Comment
  CHSC48874  Rubus ursinus Vernon Oswald 1987-6-4 2953 Butte East arm of Paradise Reservoir near Doon Creek. 777 Comment
  CHSC48876  Rubus ursinus Vernon Oswald 1987-4-6 2308 Butte Butte Creek Reserve on the n side of Butte Creek ne of the Skyway. 80 Comment
  CHSC48881  Galium bolanderi Vernon Oswald 1984-6-19 1305 Butte Hwy 32, 6.3 mi N of Forest Ranch. Comment
  CHSC48885  Galium grayanum var. grayanum Vernon H. Oswald 1983-8-17 988 Butte Trail between Humboldt Summit and Humboldt Peak, ca 3 mi NE of Jonesville. 2097 Comment
  CHSC48886  Galium sparsiflorum subsp. glabrius Vernon Oswald; M. S. Taylor 1985-5-30 1793 Butte Rim Rd. (Ponderosa Way) 2.7 mi N of Jarbo Gap. 853 Comment
  CHSC48887  Galium tricornutum Vernon Oswald 1986-4-28 1984 Butte Hamilton-Nord-Cana Hwy 0.5 mi N of Bennett Rd. 48 Comment
  CHSC48889  Kelloggia galioides Vernon Oswald; Lowell Ahart 1987-7-1 3051 Butte Scotts John Rd. 1.3 mi N of the road connecting Huboldt and Humbug Rds, ca 2.5 mi ENE of Jonesville. 1828 Comment
  CHSC48890  Boykinia major Vernon Oswald 1985-7-21 1910 Butte Near the bridge over the W. Branch of the Feather R., ca. 1 air mi ne of Inskeep. 1341 Comment
  CHSC48891  Boykinia occidentalis Vernon Oswald 1985-9-5 1939 Butte Forbestown Resevoir Rd. 1.4 mi ne of Forbestown Rd. 861 Comment
  CHSC48892  Boykinia occidentalis Vernon Oswald 1985-6-17 1839 Butte Bryant Ravine Rd. at Bryant Ravine Creek, 0.2 mi s of the trailhead to Feather Falls. 746 Comment
  CHSC48895  Boykinia occidentalis Vernon Oswald 1984-7-25 1629 Butte Upper Bidwell Park, Chico, ca. 200 ft w of Day Camp on the s side of Chico Creek. Growing on a vertical sandstone cliff 8 ft above the summer level of the creek. 91 Comment
  CHSC48897  Lithophragma tenellum Vernon Oswald; Lowell Ahart 1987-5-14 2396 Butte Road paralleling Scotts John Creek, 0.6 mi n of the road connecting Humboldt and Humbug Roads. 1780 Comment
  CHSC48898  Pectiantia breweri Vernon Oswald 1987-6-29 3035 Butte Jones Meadow Rd. e of Inskip at a small streamlet which joins Last Chance Creek just downstream from its East Fork. 1676 Comment
  CHSC48903  Ribes viscosissimum var. hallii Vernon Oswald 1987-6-9 2968 Butte Near the headwaters of Scotts John Creek, 3.3. mi n of the connector road between Humboldt and Humbug roads, ca. 4 mi ne of Jonesville. 1926 Comment
  CHSC48907  Micranthes integrifolia Vernon Oswald 1987-3-20 2292 Butte North side of Skyway 1.2 mi w of junction with Neal Rd. 408 Comment
  CHSC48910  Tellima grandiflora Vernon Oswald 1984-4-9 1132 Butte Feather Falls Trail, 2.1 trail mi. from the trail head at the end of Bryant Ravine Rd. 457 Comment
  CHSC48913  Poteridium annuum Vernon Oswald 1985-4-15 1709 Butte Upper Bidwell Park, Chico, on the north rim at the west intermittent stream flowing into Sycamore Creek. 274 Comment
  CHSC48915  Rubus ursinus Vernon Oswald 1983-5-1 405 Butte Upper Bidwell Park, Chico, on the s border of the trail 100 ft e of the turn-around at the e end of Upper Park Rd. 207 Comment
  CHSC48917  Sorbus scopulina Vernon Oswald 1985-6-3 1804 Butte At the Butte Creek Bridge on Humboldt Rd. just w of Cherry Hill. 1414 Comment
  CHSC48918  Spiraea densiflora Vernon Oswald 1983-8-17 992 Butte On Humboldt Peak, n-e of Jonesville. 2158 Comment
  CHSC48969  Antirrhinum cornutum Vernon Oswald 1986-7-22 2216 Butte Hwy 32, 1.2 mi n of Chico Creek near the spring. 1097 Comment
  CHSC48971  Bacopa rotundifolia Vernon Oswald 1988-8-8 3683 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 45 Comment
  CHSC48973  Castilleja arachnoidea Vernon oswald 1984-7-2 1337 Butte Humbug Summit. 2320 Comment
  CHSC48981  Collinsia parviflora Vernon Oswald; Lowell Ahart 1987-5-14 2398 Butte Road paralleling Scotts John Creek, 0.6 mi n of the road connecting Humbolt and Humbug Roads. 1780 Comment
  CHSC48985  Collinsia torreyi var. wrightii Vernon Oswald 1984-7-2 1338 Butte Humbug Summit. 2320 Comment
  CHSC48987  Cordylanthus tenuis subsp. viscidus Vernon Oswald 1987-7-29 3154 Butte Hwy 32, 1.5 mi ssw of Lomo. 1146 Comment
  CHSC48988  Cordylanthus tenuis subsp. viscidus Vernon Oswald 1985-7-15 1906 Butte Concow Rd. 0.2 mi s of Ponderosa Way, also called Rim Rd. 950 Comment
  CHSC48992  Limosella acaulis Vernon Oswald 1987-8-10 3201 Butte Snag Lake located 2.5 mi (air) se of Jonesville. 1726 Comment
  CHSC48994  Diplacus angustatus Vernon Oswald 1986-5-6 1996 Butte Cohasset Ridge along the dirt road paralleling Cohasset Hwy on the south. 457 Comment
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Aug 22 2008
  CHSC48997  Erythranthe floribunda Vernon Oswald 1984-6-3 1251 Butte Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek. 39 Comment
  CHSC48998  Erythranthe guttata Vernon Oswald 1987-5-12 2394 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between Crouch Ditch dam and the double set of transmission lines. 80 Comment
  CHSC49001  Diplacus jepsonii Vernon Oswald 1984-7-2 1339 Butte Humbug Summit. 2320 Comment
  CHSC49002  Erythranthe filicifolia Vernon Oswald 1986-4-26 1981 Butte Along the Western Pacific RR between Pulga and Poe Dam. 438 Comment
  CHSC49007  Erythranthe primuloides Vernon Oswald 1983-7-6 823 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. 1325 Comment
  CHSC49008  Erythranthe primuloides Vernon Oswald 1983-7-19 882 Butte Bull Hill Rd. 1.0 mi n of its jct. with the Skyway and Humbug Summit Rd. 1524 Comment
  CHSC49013  Castilleja tenuis Vernon Oswald; Lowell Ahart 1987-7-1 3048 Butte Scotts John Rd. at 'Big Rock Meadow,' 1.0 mi n of the road connectiong Humbolt and Humbug Rds, ca. 2.5 mi ene of Jonesville. 1780 Comment
  CHSC49019  Pedicularis attollens Vernon Oswald 1987-7-29 3167 Butte Southwestern-most lake in a cluster of three located in the se/S6, ca. 0.5 mi (air) s of Coon Hollow Rd. and 2.5 mi (air) n of Philbrook Reservoir. 1752 Comment
  CHSC49020  Pedicularis densiflora Vernon Oswald 1984-4-9 1123 Butte Feather Falls Trail, 0.6 trail mi n of the trail head at the end of Bryant Ravine Rd. 731 Comment
  CHSC49023  Penstemon azureus var. azureus Vernon Oswald 1984-5-21 1197 Butte Coutolenc Rd., 4.2 mi s of its jct. with the Skyway at Lovelock. 792 Comment
  CHSC49030  Penstemon laetus var. leptosepalus Vernon Oswald 1983-7-6 806 Butte Calif. Hwy. 32, 6.3 mi n-e of Forest Ranch. 1036 Comment
  CHSC49034  Penstemon neotericus Vernon Oswald 1984-7-5 1346 Butte Humboldt Rd. to Butte Meadows, 2.0 mi n-e of Hwy 32. 1380 Comment
  CHSC49038  Penstemon personatus Vernon Oswald 1987-6-29 3044 Butte High Rock Ravine at a logging road ca. 1 mi (air) w of Bald Mt. Lookout. 1389 Comment
  CHSC49044  Tonella tenella Vernon Oswald 1986-4-12 1067 Butte Butte Creek Trail ca. 1.5 mi s of Doe Mill Rd. 609 Comment
  CHSC49046  Veronica arvensis Vernon Oswald 1985-4-10 1704 Butte Upper Bidwell Park, Chico, on the s side of Chico Creek at Five Mile Recreation Area. 79 Comment
  CHSC49239  Eragrostis curvula var. curvula Vernon Oswald 1984-5-9 1174 Butte Between Chico and Forest Ranch on Hwy 32, 6.7 mi n-e of Calif. Hwy 99. On the edge of the road. 411 Comment
  CHSC49240  Eragrostis hypnoides Vernon Oswald 1984-6-3 1252 Butte Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek. On the edge of the river. 39 Comment
  CHSC49242  Eragrostis mexicana subsp. virescens Vernon Oswald 1988-8-8 3686 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. In irrigation ditch bordering Nelson Rd. 47 Comment
  CHSC49243  Eragrostis pectinacea var. pectinacea Vernon Oswald 1987-5-26 2933 Butte Bancho Bosquejo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). 48 Comment
  CHSC49433  Datura ferox Vernon Oswald 1987-8-13 3210 Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. In a bean field. 48 Comment
  CHSC49436  Nicotiana acuminata var. multiflora Vernon Oswald 1984-6-3 1250 Butte Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek. 39 Comment
  CHSC49438  Physalis acutifolia Vernon Oswald 1983-10-10 1066 Butte Near Chico on Bell Rd. ca. 1/2 mi s of the Mud Creek Diversion Channel. Along the edge of a young orchard. Comment
  CHSC49439  Physalis lancifolia Vernon Oswald 1983-10-10 1067 Butte Near Chico on Bell Rd. ca. 1/4 mi s of the Mud Creek Diversion Channel. Along the edge of a young orchard. Comment
  CHSC49440  Physalis philadelphica Vernon Oswald 1987-7-23 3144 Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Rd. between the s half of Cana Lake (Dicus Slough) and the Sacramento River. In a bean field. 48 Comment
  CHSC49445  Urtica dioica subsp. holosericea Vernon Oswald 1983-6-28 786 Butte Graylodge Waterfowl Management Area near Parking Lot 17. Growing among tules along the edge of a drained pond. Comment
  CHSC49447  Valeriana californica Vernon Oswald 1985-6-20 1853 Butte Scotts John Rd., 3.3 mi n of 26N27, ca. 4.0 mi ne of Jonesville. 1920 Comment
  CHSC49448  Phyla nodiflora var. nodiflora Vernon Oswald 1987-7-30 3172 Butte Rancho Arroyo Chico. Mouth of the slough leading into the boat ramp just upstream from the Washout (Chico Landing site) on the Sacramento River. 36 Comment
  CHSC49453  Verbena litoralis Vernon Oswald 1983-6-28 788 Butte Graylodge Waterfowl Management Area, near Parking Lot 11. Comment
  CHSC49463  Viola purpurea subsp. integrifolia Vernon Oswald; Lowell Ahart 1987-6-10 2984 Butte Forest Service road to Sunflower Flat joining Humbug Rd. in about the center of section 22, ca. 0.8 mi s on a spur road from the bottom center of Section 23. 1950 Comment
  CHSC49464  Viola pinetorum subsp. pinetorum Vernon Oswald; Lowell Ahart 1987-6-10 2983 Butte Forest Service road to Sunflower Flat joining Humbug Rd. in about the center of Section 22, ca. 0.8 mi s on a spur road from the bottom center of Section 23. 1950 Comment
  CHSC49465  Viola sheltonii Vernon Oswald 1984-4-9 1122 Butte Feather Falls Trail, 0.4 trail mi. n of the trail head at the end of Bryant Ravine Rd. 762 Comment
  CHSC49466  Alisma triviale Vernon Oswald 1987-6-15 3000 Butte Butte Creek Reserve on the n side of Butte Creek, ne of the Skyway. 76 Comment
  CHSC49469  Sagittaria cuneata Vernon Oswald; Lowell Ahart 1987-7-1 3061 Butte Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville. 1813 Comment
  CHSC49473  Allium campanulatum Vernon Oswald 1983-6-22 746 Butte On the s side of Humboldt Rd. (to Butte Meadows) 3.3 mi n-e of Calif. Hwy 32. 1386 Comment
  CHSC49476  Allium membranaceum Vernon Oswald 1987-5-28 2938 Butte Jordan Hill Rd. 0.2 mi s of Griffin Gulch. 621 Comment
  CHSC49478  Allium platycaule Vernon Oswald 1987-6-23 3028 Butte High Lakes Rd. 5.5 mi (odometer) n of Philbrook Rd. 1853 Comment
  CHSC49479  Allium sanbornii var. sanbornii Vernon Oswald 1987-7-29 3157 Butte Humboldt Rd. 0.6 mi e of Lomo. 1219 Comment
  CHSC49481  Allium validum Vernon Oswald; Lowell Ahart 1987-7-1 3046 Butte Scotts John Rd. at 'Big Rock Meadow,' 1.0 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. 1780 Comment
  CHSC49482  Allium neapolitanum Vernon Oswald 1984-3-28 1109 Butte Chico-Butte Ciy Hwy (Seven Mile Lane), 6.3 mi s of its jct. With Ord Ferry rd. Comment
  CHSC49485  Triteleia ixioides subsp. anilina Vernon Oswald 1984-6-11 1276 Butte Humboldt Rd. between Lomo and Butte Meadows, 2.0 mi ne of Hwy 32. 1380 Comment
  CHSC49487  Triteleia montana Vernon Oswald 1987-6-23 3029 Butte High Lakes Rd. 5.8 mi (odometer) n of Philbrook Rd. 1889 Comment
  CHSC49488  Aegilops triuncialis Vernon Oswald 1987-5-14 2904 Butte Hwy 32, 1.4 mi sw of Forest Ranch. 701 Comment
  CHSC49490  Elytrigia intermedia subsp. barbulata Vernon Oswald 1987-6-2 2947 Butte Butte-Yuba County line about 3 mi ne of Forbestown, on the se side of Forbestown Reservoir Rd. 883 Comment
  CHSC49491  Elymus stebbinsii subsp. septentrionalis Vernon Oswald 1988-6-30 3543 Butte Humboldt Rd. (to Butte Meadows) 0.6 mi ne of Lomo. 1219 Comment
  CHSC49492  Elymus stebbinsii subsp. septentrionalis Vernon Oswald 1983-7-6 814 Butte Humboldt Rd. between Lomo and Butte Meadows, 0.6 mi e of Hwy 32. 1249 Comment
  CHSC49495  Agrostis exarata Vernon Oswald 1987-5-18 2905 Butte Butte Creek Reserve on the north side of Butte Creek e of Hwy 99. 68 Comment
  CHSC49497  Agrostis scabra Vernon Oswald; Lowell Ahart 1987-7-1 3066 Butte Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville. 1813 Comment
  CHSC49498  Agrostis scabra Vernon Oswald 1987-7-8 3100 Butte Butte Creek Reservoir, on the north side of Butte Creek east of the Skyway, east of Chico. 74 Comment
  CHSC49503  Aira elegans Vernon Oswald 1986-4-20 1972 Butte Peter Ahart Ranch near Honcut. In the 'home pasture. 32 Comment
  CHSC49504  Alopecurus aequalis Vernon Oswald; Lowell Ahart 1987-7-1 3060 Butte Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville. 1813 Comment
  CHSC49506  Alopecurus carolinianus Vernon Oswald 1988-4-13 3271 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 53 Comment
  CHSC49507  Anthoxanthum odoratum V. Oswald; L. Ahart 1988-6-17 3402 Butte Pinkard Creek ca. 1.5 mi n of Lost Creek Reservoir. 1066 Comment
  CHSC49509  Briza maxima Vernon Oswald 1985-5-20 1765 Butte LaPorte Rd. ca. 0.7 mi ne of Bangor at Wilson Creek. 243 Comment
  CHSC49510  Briza minor Vernon Oswald 1985-5-13 1754 Butte Upper Bidwell Park, Chico, on the rocky bed of Chico Creek at the retaining wall at the e end of Centennial Ave. 85 Comment
  CHSC49511  Bromus japonicus Vernon Oswald 1987-5-28 2935 Butte Jordan Hill Rd. 0.5 mi s of the road to Sawmill Pk. Lookout. 890 Comment
  CHSC49513  Bromus inermis subsp. inermis Vernon Oswald 1987-6-23 3008 Butte Philbrook Rd. at the bridge over the W. Branch of the Feather River. On flood plain. 1511 Comment
  CHSC49515  Bromus carinatus var. marginatus Vernon Oswald; Lowell Ahart 1987-7-1 3088 Butte Scotts John Rd. at 'Big Rock Meadow,' 1.0 mi n of the road connection Humboldt and Humbug Rds,ca. 2.5 mi ene of Jonesville. 1780 Comment
  CHSC49517  Bromus orcuttianus Vernon Oswald 1985-7-2 1874 Butte Hwy 32 2.3 mi s of Lomo. Logged area. 1133 Comment
  CHSC49518  Bromus orcuttianus Vernon Oswald 1983-7-6 807 Butte Near Calif. Hwy. 32, 6.3 mi n-e of Forest Ranch. On an old logging road. 1036 Comment
  CHSC49523  Bromus suksdorfii Vernon Oswald; Lowell Ahart 1987-8-5 3183 Butte Rock outcrops skirting the n flank of Humboldt Peak on the Butte-Plumas county border, s of the Pacific Crest Trail. 2072 Comment
  CHSC49524  Bromus tectorum Vernon Oswald 1984-5-21 1196 Butte Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. On the abandoned railroad 0.5 mi s of the Little West Fork of the West Branch of the Feather River. 853 Comment
  CHSC49526  Desmazeria rigida Vernon Oswald 1985-6-15 1832 Butte Near N. Honcut Creek on Peter Ahart Ranch, ca. 2.75 mi ne of Honcut. 53 Comment
  CHSC49529  Dactylis glomerata Vernon Oswald 1983-6-22 732 Butte Near Calif. Hwy. 32, 11.7 mi n-e of Forest Ranch. 1143 Comment
  CHSC49533  Deschampsia cespitosa subsp. cespitosa Vernon Oswald; Lowell Ahart 1987-7-1 3067 Butte Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville. 1813 Comment
  CHSC49534  Deschampsia elongata Vernon Oswald; Lowell Ahart 1987-7-1 3062 Butte Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville. 1813 Comment
  CHSC49539  Echinochloa colona Vernon Oswald 1987-8-13 3212 Butte Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. On the edge of a bean field. 48 Comment
  CHSC49541  Elymus glaucus subsp. jepsonii Vernon Oswald 1985-6-3 1801 Butte Spur road on the e side of Hwy 32 0.1 mi s of Platte Mtn. Lookout. 1066 Comment
  CHSC49542  Eragrostis cilianensis V. Oswald; R. Cunningham 1988-8-6 3682 Butte In s Chico, s of Park Ave., near the end of Paseo Campaneros. In the garden of Ruth and Glenn Cunningham. 64 Comment
  CHSC49543  Festuca arundinacea Vernon Oswald 1988-6-2 3352 Butte Humboldt Rd. 1.3 mi ne of Lomo. Along this section of road. 1316 Comment
  CHSC49545  Festuca arundinacea Vernon Oswald 1985-5-13 1756 Butte Upper Bidwell Park, Chico, on the s perimeter of the Police Pistol Range. 91 Comment
  CHSC49547  Festuca occidentalis Vernon Oswald 1987-6-2 2946 Butte Butte-Yuba County line about 3 mi ne of Forbestown, on the se side of Forbestown Reservoir Rd. Along a trail in forest. 883 Comment
  CHSC49548  Festuca occidentalis Vernon Oswald 1983-6-22 730 Butte Near Calif. Hwy. 32 11.7 mi n-e of Forest Ranch. 1143 Comment
  CHSC49550  Glyceria elata Vernon Oswald 1987-6-23 3009 Butte Philbrook Rd. at the bridge over the W. Branch of the Feather River. On the flood plain of the stream. 1511 Comment
  CHSC49552  Holcus lanatus Vernon Oswald 1983-6-22 754 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. On the edge of a stream in meadow. 1264 Comment
  CHSC49553  Hordeum brachyantherum subsp. brachyantherum Vernon Oswald 1984-7-2 1343 Butte Humbug Rd. 1.7 mi s-w of Humbug Summit. In a meadow. 1859 Comment
  CHSC49554  Leersia oryzoides Vernon Oswald 1987-6-18 3005 Butte Butte Creek Reserve on the s side of the creek, n of the Skyway, ca. 0.25 mi w of the double set of transmission lines. 85 Comment
  CHSC49556  Lolium temulentum var. leptochaeton Vernon Oswald 1984-6-3 1253 Butte Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek. On a sandbar on the edge of the river. 39 Comment
  CHSC49559  Melica harfordii Vernon Oswald 1988-6-2 3348 Butte Spur Rd. 210G on w side of Hwy 32 ca. 0.3 mi n of Platte Mt. Lookout. 975 Comment
  CHSC49564  Phalaris brachystachys Vernon Oswald 1987-5-1 2362 Butte Rancho Aquas Frias. Collected along Goodspeed-Watt Rd. at the Western Canal. 39 Comment
  CHSC49566  Phleum pratense Vernon Oswald 1983-6-22 750 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. In a meadow near a stream. 1264 Comment
  CHSC49568  Poa secunda subsp. secunda Vernon Oswald; Lowell Ahart 1987-5-14 2395 Butte Humboldt Rd. between Lomo and Butte Meadows, 0.6 mi ne of Hwy 32. 1173 Comment
  CHSC49569  Torreyochloa pallida var. pauciflora Vernon Oswald 1983-8-4 953 Butte Chico Meadows, ca. 1 mi n of Butte Meadows. At the edge of a stream in a meadow. 1292 Comment
  CHSC49571  Torreyochloa pallida var. pauciflora Vernon Oswald 1987-6-23 3018 Butte High Lakes Rd. 4.8 mi (odometer) n of Philbrook Rd. Along the edge of a gravel pit. 1889 Comment
  CHSC49573  Setaria sphacelata Vernon Oswald 1988-6-8 3357 Butte Hamilton Rd. bordering the south side of Thermalito Afterbay, ca. 0.2 mi e of Hwy 99. In a ditch along the road. 32 Comment
  CHSC49574  Elymus elymoides subsp. californicus Vernon H. Oswald 1983-6-22 731 Butte Near Calif. Hwy. 32 11.7 mi n-e of Forest Ranch. 1143 Comment
  CHSC49579  Achnatherum occidentale subsp. californicum Vernon Oswald 1985-7-2 1873 Butte Hwy 32 2.3 mi s of Lomo. 1133 Comment
  CHSC49581  Achnatherum lemmonii Vernon Oswald 1983-7-6 835 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. 1325 Comment
  CHSC49582  Achnatherum lemmonii Vernon Oswald 1985-6-3 1800 Butte Spur road on the e side of Hwy 32 0.1 mi s of Platte Mtn. Lookout. 1066 Comment
  CHSC49585  Achnatherum occidentale subsp. occidentale Vernon Oswald; Lowell Ahart 1987-8-5 3181 Butte Near Humboldt Peak. 2151 Comment
  CHSC49587  Achnatherum stillmanii Vernon Oswald 1984-6-19 1304 Butte Hwy 32, 9.3 mi n of Forest Ranch. 1036 Comment
  CHSC49588  Trisetum canescens Vernon Oswald 1987-6-2 2948 Butte Butte-Yuba County line about 3 mi ne of Forbestown, on the se side of Forbestown Reservoir Rd. 883 Comment
  CHSC49590  Trisetum wolfii Vernon Oswald 1987-8-10 3206 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. At the northeast lake. 1935 Comment
  CHSC49591  Vulpia bromoides Vernon Oswald 1984-5-16 1189 Butte Near Chico on the Skyway ca. 1 mi e of Hwy 99 at the Little Chico Creek--Butte Creek Diversion Channel. Along the edge of a vernal pond. 68 Comment
  CHSC49592  Vulpia microstachys var. ciliata Vernon Oswald 1987-4-14 2320 Butte Hwy 32 between Chico and Forest Ranch at the 17.0 mile marker. 390 Comment
  CHSC49594  Vulpia microstachys var. pauciflora Vernon Oswald 1987-5-21 2915 Butte Humboldt Rd. between Lomo and Butte Meadows, 0.6 mi ne of Hwy 32. 1173 Comment
  CHSC49595  Vulpia myuros Vernon Oswald 1983-4-4 264 Butte Upper Bidwell Park, Chico, on the north rim ca. 2 mi e of the power lines. 390 Comment
  CHSC49600  Fritillaria affinis Vernon H. Oswald 1990-1-31 4134 Butte Lime Saddle Recreation Area, West Fork of Lake Oroville, near Nelson Bar Rd launch area. 274 Comment
  CHSC49603  Juncus acuminatus Vernon Oswald 1987-5-18 2906 Butte Butte Creek Reserve on the n side of Butte Creek e of Hwy 99. 68 Comment
  CHSC49604  Juncus articulatus Vernon Oswald 1987-6-8 2959 Butte Butte Creek Reserve on the se side of the creek, ne of Hwy 99. 67 Comment
  CHSC49609  Juncus drummondii Vernon Oswald; Lowell Ahart 1987-7-1 3084 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. On the s edge of the large lake. 1935 Comment
  CHSC49610  Juncus dubius Vernon Oswald 1987-6-23 3015 Butte High Lakes Rd. 3.0 mi (odometer) n of Philbrook Rd. In a wet ditch beside the road. 1920 Comment
  CHSC49611  Juncus exiguus Vernon Oswald 1983-6-22 753 Butte Chico Meadows, ca. 1 mi n of Butte Meadows. Near a stream in a mountain meadow. 1292 Comment
  CHSC49612  Juncus exiguus Vernon Oswald 1987-5-12 2389 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between Crouch Ditch dam and the double set of transmission lines. On the edge of Butte Creek. 80 Comment
  CHSC49615  Juncus howellii Vernon Oswald 1983-7-6 824 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. Along a stream in a meadow. 1325 Comment
  CHSC49617  Juncus leiospermus var. ahartii Vernon Oswald 1986-4-20 1974 Butte Peter Ahart Ranch near Honcut, in the 'home pasture.' In vernal pool. 32 Comment
  CHSC49623  Juncus oxymeris Vernon Oswald 1987-5-18 2910 Butte Rancho Bosquejo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). Along the edge of pool. 48 Comment
  CHSC49624  Juncus oxymeris Vernon Oswald 1987-5-18 2911 Butte Rancho Bosquejo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). Along the edge of pool. 48 Comment
  CHSC49626  Juncus tenuis Vernon Oswald 1987-5-12 2390 Butte Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between Crouch Ditch dam and the double set of transmission lines. Near a dredger pond. 80 Comment
  CHSC49629  Juncus uncialis Vernon Oswald 1986-4-20 1973 Butte Peter Ahart Ranch near Honcut, in the 'home pasture.' In the bed of a vernal pool. 32 Comment
  CHSC49634  Elodea canadensis Vernon Oswald 1988-5-19 3325 Butte Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. In a marchy pond located along an old chanel of the Sacramento River. 45 Comment
  CHSC49636  Elodea canadensis Vernon Oswald 1988-5-19 3326 Butte Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. In a marchy pond located along an old chanel of the Sacramento River. 45 Comment
  CHSC49639  Iris tenuissima subsp. purdyiformis Vernon Oswald 1985-5-16 1761 Butte Humboldt Rd. to Butte Meadows, 2.0 mi ne of Hwy 32. 1371 Comment
  CHSC49641  Spirodela polyrhiza Vernon Oswald 1987-4-20 2334 Butte Butte Creek Preserve on the s side of the creek ne of the Skyway. On the edge of a dredger pond. 85 Comment
  CHSC49648  Chlorogalum angustifolium Vernon Oswald 1985-5-1 1740 Butte Upper Bidwell Park, Chico, near the n boundary ca 500 ft e of the Omicron Enclosure. 86 Comment
  CHSC49653  Fritillaria atropurpurea Vernon Oswald 1985-6-3 1805 Butte Rd. 26N27 0.3 mi s of Humboldt Rd. ne of Jonesville. 1633 Comment
  CHSC49654  Fritillaria eastwoodiae Vernon Oswald 1984-4-9 1137 Butte Feather Falls Trail, near the overlook at the falls. 609 Comment
  CHSC49661  Hastingsia alba Vernon Oswald 1983-7-6 831 Butte Near Humboldt Rd. 3.4 mi n-e of Butte Meadows. 1432 Comment
  CHSC49663  Maianthemum racemosum Vernon Oswald 1984-6-11 1283 Butte Humboldt Rd. at Butte Creek, 0.2 mi w of Cherry Hill Campground. 1414 Comment
  CHSC49664  Maianthemum stellatum Vernon Oswald; Lowell Ahart 1987-7-1 3082 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. 1935 Comment
  CHSC49665  Streptopus amplexifolius var. americanus Vernon Oswald 1987-6-29 3043 Butte High Rock Ravine just upstream from a logging road ca. 1 mi (air) w of Bald Mt. Lookout. 1389 Comment
  CHSC49666  Triantha occidentalis subsp. occidentalis Vernon Oswald 1984-7-12 1567 Butte Skyway 1.4 mi s of Inskeep. 1402 Comment
  CHSC49673  Najas gracillima Vernon Oswald 1988-7-22 3613 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 53 Comment
  CHSC49674  Najas gracillima Vernon Oswald 1983-6-18 716 Butte Upper Bidwell Park, Chico, in Horseshoe Lake. Along the n side of the lake. 100 Comment
  CHSC49678  Goodyera oblongifolia Vernon Oswald 1983-8-4 949 Butte Near Calif. Hwy 32, 11.8 mi n-e of Forest Ranch. 1188 Comment
  CHSC49679  Platanthera sparsiflora Vernon Oswald; Lowell Ahart 1987-7-1 3079 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. 1935 Comment
  CHSC49680  Piperia transversa Vernon Oswald 1983-7-26 914 Butte Calif. Hwy 32, 6.2 mi n-e of Forest Ranch. 1036 Comment
  CHSC49682  Platanthera leucostachys Vernon Oswald 1983-6-22 735 Butte Soda Spring Campground near Calif. Hwy 32, 17.8 mi n-e of Forest Ranch. Beside Chico Creek. 1112 Comment
  CHSC49685  Potamogeton crispus Vernon Oswald 1987-8-2 3173 Butte Mouth of the slough leading into the boat ramp just upstream from the Washout (Chico Landing site) on the Sacramento River. 36 Comment
  CHSC49687  Potamogeton natans Vernon Oswald 1987-4-30 2359 Butte Butte Creek Reserve on the s side of Butte Creek, ne of the Skyway. In several ponds. 80 Comment
  CHSC49690  Erythronium multiscapideum Vernon Oswald 1985-4-3 1697 Butte Concow Rd. n of Lake Concow. 792 Comment
  CHSC49691  Calochortus leichtlinii Vernon H. Oswald 1983-8-17 983 Butte Humboldt Summit, ca 3 mi ne of Jonesville. Comment
  CHSC49692  Lemna minuta Vernon Oswald 1987-3-20 2294 Butte West side of Hwy 99, 0.6 mi nw of Butte Creek. In a dredger pond. 67 Comment
  CHSC49697  Poa bolanderi Vernon H. Oswald 1983-8-4 969 Butte Humboldt Summit, ca 3 mi ne of Jonesville. 1993 Comment
  CHSC49698  Lolium perenne Vernon Oswald 1988-5-17 3314 Butte Just w of the dam at Sly Creek Reservoir. Along the edge of the road. 1097 Comment
  CHSC49700  Cortaderia selloana Vernon Oswald 1987-9-9 3240 Butte Butte Creek Preserve on the s side of Butte Creek, n of the Skyway, ca. 0.1 mi e of the diversion dam for Crouch Ditch. On the bottom of a dredger pond. 80 Comment
  CHSC49702  Agrostis thurberiana Vernon Oswald 1987-7-16 3119 Butte Slightly w of the Skyway, 1.4 mi s of Inskip. 1426 Comment
  CHSC49703  Agrostis avenacea Vernon Oswald 1985-5-20 1775 Butte Between the north edge of Hwy 162 and Thermalito Afterbay ca. 1 mi e of Hwy 99. 35 Comment
  CHSC49704  Allium peninsulare var. peninsulare Vernon Oswald 1985-5-6 1744 Butte Concow Rd. 1.1 me sw of its jct. With Ponderosa Way. 853 Comment
  CHSC49825  Chaenactis glabriuscula var. heterocarpha Vernon Oswald 1990-4-4 4149 Butte Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi ne of Nelson Bar Launch, ca. 0.2 mi se of Lime Saddle Powerhouse. 304 Comment
  CHSC49827  Senecio integerrimus var. major Vernon Oswald; Lowell Ahart 1990-4-9 4157 Butte Trail to Fall River near its junction with Feather Falls Trail, near the Overlook. All along the Feather Falls Trail. 621 Comment
  CHSC49828  Urospermum picroides Vernon Oswald 1990-4-11 4161 Butte Upper Miocene Canal between Kunkle Reservoir and the jeep trail cutting down the slope above the West Branch of Lake Oroville. On the downhill side of the canal. 426 Comment
  CHSC49830  Lepidium campestre Vernon Oswald 1990-4-4 4146 Butte Vinton Gulch access to the West Branch of Lake Oroville, ca. 0.5 mi (air) north of Cherokee. Near the streamlet draining into the lake. 268 Comment
  CHSC49831  Sisymbrium orientale Vernon Oswald 1990-3-15 4138 Butte Vinton Gulch access to the West Branch of Lake Oroville, ca. 0.5 mi (air) north of Cherokee. 268 Comment
  CHSC49835  Moenchia erecta Vernon Oswald; Lowell Ahart 1990-4-9 4159 Butte Oak Grove Cemetery ca. 0.6 mi se of Hurlton, ca. 10 mi w of Forbestown. Several hundred feet east of the cemetery. 542 Comment
  CHSC49837  Euphorbia spathulata Vernon Oswald 1990-3-24 4139 Butte Nance Canyon on the n side of Neal Rd, ca. 0.7 mi ene of the double power transmission lines, ca. 1.7 mi ne of Butte County Sanitary Landfill. 121 Comment
  CHSC49838  Euphorbia spathulata Vernon Oswald 1990-4-4 4151 Butte Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi ne of Nelson Bar Launch, ca. 0.2 mi se of Lime Saddle Powerhouse. 304 Comment
  CHSC49843  Oxalis corniculata Vernon Oswald 1990-4-11 4162 Butte Upper Miocene Canal between Kunkle Reservoir and the jeep trail cutting down the slope above the West Branch of Lake Oroville. On the downhill side of the canal. 426 Comment
  CHSC49844  Linanthus dichotomus Vernon Oswald 1990-4-4 4150 Butte Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi ne of Nelson Bar Launch, ca. 0.2 mi se of Lime Saddle Powerhouse. 304 Comment
  CHSC49846  Lithophragma parviflorum var. parviflorum Vernon Oswald; Lowell Ahart 1990-4-9 4155 Butte Feather Falls Trail between Frey Creek and Wagners Valley, just s of the 1.5 mile marker. 548 Comment
  CHSC49849  Alopecurus carolinianus Vernon Oswald 1990-4-4 4144 Butte Vinton Gulch access to the West Branch of Lake Oroville, ca. 0.5 mi (air) north of Cherokee. 262 Comment
  CHSC49850  Vulpia microstachys var. microstachys Vernon Oswald 1990-4-4 4152 Butte Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi ne of Nelson Bar Launch, ca. 0.2 mi se of Lime Saddle Powerhouse. 304 Comment
  CHSC50099  Balsamorhiza sagittata Vernon Oswald 1990-5-12 4203 Butte Jonesville-Butte Creek House Trail, along the section between Scotts John Creek and Willow Creek. 1676 Comment
  CHSC50100  Chaenactis glabriuscula var. heterocarpha Vernon Oswald 1990-4-24 4171 Butte Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi northeast of Nelson Bar Launch, ca. 0.2 mi east of Lime Saddle Powerhouse. 286 Comment
  CHSC50101  Malacothrix floccifera Vernon Oswald 1990-4-24 4169 Butte Lime Saddle Recreation Area on th West Branch of Lake Oroville, ca. 0.2 mi northeast of Nelson Bar Launch, ca. 0.2 mi east of Lime Saddle Powerhouse. 292 Comment
  CHSC50102  Rigiopappus leptocladus Vernon Oswald 1990-4-24 4168 Butte Lime Saddle Recreation Area on the West Branch of Lake Oroville, east side of Nelson Bar Rd just south of the spur road to Lime Saddle Powerhouse. 280 Comment
  CHSC50107  Lathyrus brownii Vernon Oswald 1990-5-2 4179 Butte Chico Meadows, ca. 1 mile north of Butte Meadows. On forest-meadow border on the north side of Big Chico Creek ca. 200 ft east of the spring. 1292 Comment
  CHSC50108  Phacelia corymbosa Vernon Oswald 1990-4-24 4172 Butte Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi northeast of Nelson Bar Launch, ca. 0.2 mi east of Lime Saddle Powerhouse. 277 Comment
  CHSC50110  Montia linearis Vernon H. Oswald 1990-5-9 4196 Butte Colby Creek Meadow on the north side of Humboldt Rd, ca. 1 mile west of Jonesville. Occasional on moist, sloping meadow on the west side of Colby Creek, slightly north of the mouth of Willow Creek. 1475 Comment
  CHSC50112  Rosa canina Vernon Oswald 1990-5-8 4191 Butte Junction of Aquas Frias Rd and Afton Rd, west of Biggs. In an area of rice fields. 21 Comment
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Jun 19 2009
  CHSC50113  Lithophragma campanulatum Vernon Oswald 1990-5-12 4205 Butte Jonesville-Butte Creek House Trail, along the section between Scotts John Creek and Willow Creek. 1676 Comment
  CHSC50116  Parentucellia viscosa Vernon Oswald 1990-4-24 4167 Butte Messila Valley Rd, 0.6 mi west of Pentz-Magalia Hwy, ca. 6 mi south-southeast of Paradise. 164 Comment
  CHSC50311  Osmorhiza brachypoda Vernon Oswald 1990-5-28 4258 Butte Feather Falls Trail, ca. 0.4 mile north of the trailhead, ca. 2 miles north of the town of Feather Falls. 701 Comment
  CHSC50312  Sanicula graveolens Vernon Oswald; Lowell Ahart 1990-5-29 4260 Butte Northwest side of Humboldt Rd (to Butte Meadows), ca. 1.8 miles northeast of Lomo. 1325 Comment
  CHSC50314  Lagophylla ramosissima subsp. ramosissima Vernon Oswald; Mary Bailey 1990-5-19 4221 Butte First side branch of Nance Canyon northeast of the power transmission lines, its head at 'The Narrows', ca. 1.2 mile northeast of the Butte County Sanitary Landfill on Neal Rd, south of Chico. 137 Comment
  CHSC50317  Cardamine breweri var. breweri Vernon Oswald; Lowell Ahart 1990-5-29 4263 Butte Logging Rd (F-Line) on the west side of Butte Creek, at the camping area ca. 0.4 mile southwest of Humboldt Rd, ca. 1.5 mi west-southwest of Butte Meadows. 1316 Comment
  CHSC50321  Leucothoe davisiae Vernon Oswald 1990-5-14 4213 Butte Marsh located ca. 1.5 mile south-southeast along the west branch of Brush Creek. 950 Comment
  CHSC50323  Lathyrus brownii Vernon Oswald; Lowell Ahart 1990-5-29 4264 Butte Logging Rd (F-Line) on the west side of Butte Creek, at the camping area ca. 0.4 mile southwest of Humboldt Rd, ca. 1.5 mi west-southwest of Butte Meadows. 1316 Comment
  CHSC50324  Lupinus apertus Vernon Oswald; Lowell Ahart 1990-5-29 4271 Butte Skyway 0.4 miles north of Inskip. 1475 Comment
  CHSC50325  Melilotus officinalis Vernon Oswald 1990-5-29 4259 Butte Hwy 99-Hwy 32 interchange in Chico. 65 Comment
  CHSC50329  Nemophila spatulata Vernon Oswald 1990-6-4 4284 Butte Logging road just south of Humbug Summit and Cold Springs, ca. 0.25 mile northwest of Humbug Rd, on a branch of Willow Creek. 1950 Comment
  CHSC50333  Montia chamissoi Vernon Oswald 1990-5-17 4218 Butte Meadow near the headwaters of Concow Creek, on the west side of Concow Rd. ca. 0.5 mile south-southwest of Flea Valley. Common in a marshy area along the creek at the foot of the meadow. 1097 Comment
  CHSC50334  Montia chamissoi Vernon Oswald; Lowell Ahart 1990-5-29 4262 Butte Logging Rd (F-Line) on the west side of Butte Creek, at the camping area ca. 0.4 mile southwest of Humboldt Rd, ca. 1.5 mi west-southwest of Butte Meadows. Locally abundant on wet gravel on the edge of the creek. 1316 Comment
  CHSC50336  Delphinium hesperium subsp. hesperium Vernon Oswald 1990-6-1 4274 Butte Butte Creek Trail, ca. 1.75 miles north-northwest of Lake De Sabla. 579 Comment
  CHSC50339  Rosa bridgesii Vernon Oswald 1990-5-14 4215 Butte Dirt road to the marsh on the west branch of Brush Creek, 0.3 mile east of Bald Rock Rd, ca. 0.75 mile south of the town of Brush Creek. 1033 Comment
  CHSC50340  Rosa gymnocarpa Vernon Oswald 1990-5-14 4216 Butte Big Bald Rock located ca. 3 miles south of Brush Creek. At the picnic area. 966 Comment
  CHSC50341  Rubus pensilvanicus Vernon Oswald 1990-5-14 4212 Butte Small lake located ca. 1 mile south of Brush Creek. 996 Comment
  CHSC50342  Comandra umbellata subsp. californica Vernon Oswald; Lowell Ahart 1990-5-29 4261 Butte Northwest side of Humboldt Rd (to Butte Meadows), ca. 1.8 miles northeast of Lomo. 1380 Comment
  CHSC50347  Viola purpurea subsp. integrifolia Vernon Oswald 1990-6-4 4281 Butte Pacific Crest Trail ca. 0.4 miles north of Cold Springs, west of Humbug Summit. 2026 Comment
  CHSC50353  Aristida ternipes var. hamulosa Vernon Oswald; Mary Bailey 1990-5-19 4222 Butte South rim of Nance Canyon at the double power transmission lines, ca. 0.6 mile northeast of the Butte County Sanitary Landfill on Neal Rd, south of Chico. 146 Comment
  CHSC50373  Viola bakeri Vernon Oswald 1990-5-2 4180 Butte Butte Creek House, ca 3.5 mi southeast of Jonesville. North edge of the meadow. 1777 Comment
  CHSC50374  Viola purpurea subsp. dimorpha Vernon Oswald 1990-5-9 4197 Butte Humbolt Rd at Colby Creek Bridge, ca. 1 mile west of Jonesville. 1475 Comment
  CHSC50376  Viola purpurea subsp. integrifolia Vernon Oswald 1990-5-12 4204 Butte Jonesville-Butte Creek House Trail, along the section between Willow Creek and the ford over Butte Creek. 1700 Comment
  CHSC50379  Carex vulpinoidea Vernon Oswald; Lowell Ahart 1990-5-26 4254 Butte Oroville Wildlife Area on the east side of the Feather River, Pacific Heights Rd entrance, south of Oroville. 32 Comment
  CHSC50380  Juncus mexicanus Vernon Oswald 1990-6-6 4285 Butte East terminus of Dean Rd, Paradise, in the canyon of the West Branch of the Feather River at Upper Miocene Canal. Bordering the parking area at the canal. 472 Comment
  CHSC50382  Juncus diffusissimus Vernon Oswald 1990-6-2 4280 Butte Oroville Wildlife Area on the northwest side of the Feather River, just upstream from the outlet of Thermalito Afterbay. 33 Comment
  CHSC50388  Bromus vulgaris Vernon Oswald 1990-6-1 4276 Butte Butte Creek Trail, ca. 2 miles north-northwest of Lake De Sabla. Near the second intermittent streamlet south of the trailhead on Ponderosa Way (Doe Mill Rd). 609 Comment
  CHSC50390  Melica geyeri Vernon Oswald 1990-6-1 4272 Butte Butte Creek Trail, ca. 1.75 miles north-northwest of Lake De Sabla. 579 Comment
  CHSC50392  Polypogon australis Vernon Oswald 1990-6-2 4279 Butte Oroville Wildlife Area on the northwest side of the Feather River, just upstream from the outlet of Thermalito Afterbay. On the bank of the river. 33 Comment
  CHSC50403  Symphytum officinale Vernon Oswald 1990-6-10 4286 Butte Hwy 32 at Lomo (jct. Humboldt Rd to Butte Meadows). At the base of a bank on the west edge of the pullout on Hwy 32. 1158 Comment
  CHSC50404  Sisymbrium altissimum Vernon Oswald 1990-6-10 4287 Butte Hwy 32 at Lomo (jct. Humboldt Rd to Butte Meadows). On the west edge of the pullout on Hwy 32. 1158 Comment
  CHSC50407  Hosackia stipularis var. ottleyi Vernon Oswald; Lowell Ahart 1990-6-27 4334 Butte Four Trees Rd 0.5 mi north of Coyote Gap. 1341 Comment
  CHSC50409  Floerkea proserpinacoides Vernon Oswald 1990-6-26 4320 Butte Near the headwaters of the north branch of Willow Creek, 0.6 mi west of Humbug Rd via the logging road just south of Cold Springs, ca. 0.5 mi (air) southwest of Humbug Summit. 1969 Comment
  CHSC50410  Epilobium hallianum Vernon Oswald; Lowell Ahart 1990-6-27 4330 Butte Oro-Quincy Hwy at the south edge of Walker Plains, 0.3 mi west-northwest of Buckeye (site). 1536 Comment
  CHSC50411  Epilobium hornemannii subsp. hornemannii Vernon Oswald 1990-6-14 4295 Butte Logging road (T-Line) crossing High Rock Ravine, 0.1 mile west of its junction with Retson Rd (10-T), ca. 1.0 mile north-northwest of Bald Mtn Lookout. 1731 Comment
  CHSC50412  Limonium sinuatum Vernon Oswald; Mary Bailey 1990-6-27 4336 Butte Hwy 99, 0.3 mi southeast of the Skyway-Park Ave interchange in south Chico. 64 Comment
  CHSC50413  Allophyllum integrifolium Vernon Oswald; Lowell Ahart 1990-6-27 4328 Butte Oro-Quincy Hwy at the south edge of Walker Plains, 0.3 mi west-northwest of Buckeye (site). 1536 Comment
  CHSC50415  Navarretia capillaris Vernon Oswald; Lowell Ahart 1990-6-27 4331 Butte Oro-Quincy Hwy at the south edge of Walker Plains, 0.3 mi west-northwest of Buckeye (site). 1536 Comment
  CHSC50417  Montia fontana subsp. amporitana Vernon Oswald; Lowell Ahart 1990-6-20 4301 Butte High Lakes Rd ca. 0.5 mi south-southwest of Carr Mine, east of Philbrook Reservoir. Common among Veratrum on a moist meadow just south of the road. 1828 Comment
  CHSC50418  Montia fontana subsp. chondrosperma Vernon Oswald 1990-6-26 4321 Butte East branch of Willow Creek on the east side of Humbug Rd, ca. 1.25 mi (air) southwest of Humbug Summit. Very abundant in quiet water of a shallow drainage on the meadow where the north and east branches of Willow Creek join. 1853 Comment
  CHSC50420  Ranunculus alismifolius var. alismellus Vernon Oswald 1990-6-14 4296 Butte Jones Meadow-Lotts Lake Rd (T-Line), ca. 2 miles southwest of Lotts Lake, at the meadow near the headwaters of Kimshew Creek. 1898 Comment
  CHSC50422  Kelloggia galioides Vernon Oswald; Lowell Ahart 1990-6-27 4326 Butte Oro-Quincy Hwy between Merrimac and Buckeye sites, ca. 0.4 mi south of Plumas County line. Comment
  CHSC50423  Lithophragma tenellum Vernon Oswald 1990-6-14 4298 Butte Jones Meadow-Lotts Lake Rd (T-Line), ca. 2 miles southwest of Lotts Lake, at the meadow near the headwaters of Kimshew Creek. 1905 Comment
  CHSC50424  Pectiantia breweri Vernon Oswald; Lowell Ahart 1990-6-20 4302 Butte Headwaters of Philbrook Creek, ca. 0.25 mi west of the Butte-Plumas county line, between Philbrook Reservoir and Carr Mine. 1889 Comment
  CHSC50426  Saxifraga nidifica var. nidifica Vernon Oswald 1990-6-26 4318 Butte Butte Creek House Meadow Ecological Preserve, ca. 3.5 mi east-southeast of Jonesville. On the north side of the north branch of the creek. 1780 Comment
  CHSC50431  Viola pinetorum subsp. pinetorum Vernon Oswald 1990-6-14 4297 Butte Jones Meadow-Lotts Lake Rd (T-Line), ca. 2 miles southwest of Lotts Lake, at the meadow near the headwaters of Kimshew Creek. 1905 Comment
  CHSC50436  Calochortus coeruleus Vernon Oswald 1990-6-14 4293 Butte Logging road (T-line) just southwest of High Rock Ravine, ca. 1.5 miles west of Bald Mtn Lookout. 1304 Comment
  CHSC50439  Festuca elmeri Vernon Oswald; Lowell Ahart 1990-6-27 4325 Butte Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) northeast of Junction House (site). 1109 Comment
  CHSC50440  Poa howellii Vernon Oswald 1990-6-18 4299 Butte Paradise Lake, ca. 3 mi north of Magalia. On a trailside bank on the northwest side of the lake near Coutolenc Creek. 777 Comment
  CHSC50441  Achnatherum occidentale subsp. californicum Vernon Oswald; Lowell Ahart 1990-6-27 4323 Butte Small lake located about 1 mile south of Brush Creek. 993 Comment
  CHSC50538  Adiantum aleuticum Vernon Oswald; Lowell Ahart 1990-6-20 4308 Butte South side of Philbrook Creek, ca. 0.5 mi west of the Butte-Plumas county line, between Philbrook Reservoir and Carr Mine. 1981 Comment
  CHSC50539  Pellaea breweri Vernon Oswald; Lowell Ahart 1990-6-20 4310 Butte South side of Philbrook Creek, ca. 0.5 mi west of the Butte-Plumas county line, between Philbrook Reservoir and Carr Mine. 1962 Comment
  CHSC50540  Polystichum lemmonii Vernon Oswald; Lowell Ahart 1990-6-20 4304 Butte South side of Philbrook Creek, ca. 0.5 mi west of the Butte-Plumas county line, between Philbrook Reservoir and Carr Mine. 1914 Comment
  CHSC50541  Agoseris aurantiaca Vernon Oswald 1990-7-3 4344 Butte Headwaters of the east branch of Willow Creek, ca. 0.75 mi south of Humbug Summit, ca. 4.75 mi east of Jonesville. 1950 Comment
  CHSC50542  Crepis occidentalis subsp. conjuncta Vernon Oswald 1990-7-3 4341 Butte Butte Creek House Meadow Ecological Preserve on Humbug Rd, ca. 3.5 mi east-southeast of Jonesville. Along the south fence line in section 27. 1780 Comment
  CHSC50545  Eremogone congesta var. congesta Vernon Oswald; Lowell Ahart 1990-6-20 4300 Butte High Lakes Rd, 0.2 mi north of its junction with Philbrook Rd, just west of Philbrook Reservoir. 1706 Comment
  CHSC50547  Cuscuta californica var. californica Vernon Oswald; Lowell Ahart 1990-7-5 4348 Butte Butte Meadows at a meadowlike opening on the north side of Humboldt Rd just west of Scout Rd. 1325 Comment
  CHSC50548  Cuscuta subinclusa Vernon Oswald 1990-7-7 4353 Butte Doe Mill Road (Ponderosa Way) between Garland Rd and the bridge over Butte Creek, ca.2.25 mi (air) east-northeast of Forest Ranch. 792 Comment
  CHSC50553  Floerkea proserpinacoides Vernon Oswald; Lowell Ahart 1990-7-5 4352 Butte Headwaters of Willow Creek, 0.7 mi (odometer) west of Humbug Rd along a logging road just south of Cold Springs (near Humbug Summit), ca. 4 mi east of Jonesville. 1950 Comment
  CHSC50556  Claytonia lanceolata Vernon Oswald; Lowell Ahart 1990-6-20 4306 Butte South side of Philbrook Creek, ca. 0.5 mi west of the Butte-Plumas county line, between Philbrook Reservoir and Carr Mine. 1920 Comment
  CHSC50557  Montia diffusa Vernon Oswald 1990-7-10 4361 Butte Bryant Ravine Rd 0.25 mi north of Feather Falls Trailhead, ca. 1.5 mi (air) north-northwest of the town of Feather Falls. Scattered plants in disturbed soil along a short track leading to Bryant Ravine Creek. 749 Comment
  CHSC50559  Potentilla bruceae Vernon Oswald 1990-7-3 4342 Butte Headwaters of the east branch of Willow Creek, ca. 0.75 mi south of Humbug Summit, ca. 4.75 mi east of Jonesville. Meadow. 1950 Comment
  CHSC50561  Rosa pisocarpa subsp. pisocarpa Vernon Oswald; Lowell Ahart 1990-7-5 4346 Butte Camping area along Butte Creek on F-Line, 0.4 mi southwest of Humboldt Rd, ca. 1.5 mi west-southwest of Butte Meadows. On the bank of the creek. 1316 Comment
  CHSC50563  Antirrhinum vexillo-calyculatum subsp. intermedium Vernon Oswald 1990-7-7 4355 Butte Near the south end of Butte Creek Trail, ca. 2.25 mi east of Forest Ranch, ca. 1 mi northwest of De Sabla. 548 Comment
  CHSC50564  Erythranthe breviflora Vernon Oswald; Anne-Lise Feenstra 1990-7-3 4338 Butte Butte Creek House Meadow Ecological Preserve on Humbug Rd, ca. 3.5 mi east-southeast of Jonesville. North of the north branch of Butte Creek. 1780 Comment
  CHSC50565  Castilleja lacera Vernon Oswald 1990-7-3 4339 Butte Butte Creek House Meadow Ecological Preserve on Humbug Rd, ca. 3.5 mi east-southeast of Jonesville. 1780 Comment
  CHSC50566  Agrostis pallens Vernon Oswald 1990-7-10 4359 Butte Head of Feather Falls, ca. 4 mi north of the town of Feather Falls. 579 Comment
  CHSC50790  Ambrosia artemisiifolia Vernon H. Oswald; Lowell Ahart 1990-7-31 4425 Butte Camelot Estates Subdivision on the north side of Concow Reservoir. 621 Comment
  CHSC50791  Calycadenia ciliosa Vernon H. Oswald; Mary Bailey 1990-8-2 4429 Butte Nance Canyon just north of the power transmission lines, ca. 1 mi north-northeast of the Butte County Sanitary Landfill on Neal Rd. 97 Comment
  CHSC50792  Erigeron petrophilus var. sierrensis Vernon Oswald; Lowell Ahart 1990-7-31 4414 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 902 Comment
  CHSC50797  Hemizonia congesta subsp. luzulifolia Vernon Oswald; Mary Bailey 1990-8-2 4426 Butte Nance Canyon just north of the power transmission lines, ca. 1 mi north-northeast of the Butte County Sanitary Landfill on Neal Rd. 97 Comment
  CHSC50798  Hemizonia congesta subsp. luzulifolia Vernon Oswald; Mary Bailey 1990-8-2 4427 Butte Nance Canyon just north of the power transmission lines, ca. 1 mi north-northeast of the Butte County Sanitary Landfill on Neal Rd. 97 Comment
  CHSC50800  Rudbeckia occidentalis var. occidentalis Vernon Oswald; Lowell Ahart 1990-7-31 4421 Butte Meadow at the headwaters of Concow Creek, ca. 4 mi north of Concow. 1097 Comment
  CHSC50801  Trifolium wormskioldii Vernon Oswald; Lowell Ahart 1990-7-31 4422 Butte Meadow at the headwaters of Concow Creek, ca. 4 mi north of Concow. 1097 Comment
  CHSC50805  Cordylanthus pilosus subsp. trifidus Vernon Oswald; Mary Bailey 1990-8-2 4428 Butte Nance Canyon just north of the power transmission lines, ca. 1 mi north-northeast of the Butte County Sanitary Landfill on Neal Rd. 97 Comment
  CHSC50806  Cordylanthus tenuis subsp. viscidus Vernon Oswald; Lowell Ahart 1990-7-31 4415 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 899 Comment
  CHSC50807  Rhynchospora capitellata Vernon Oswald; Lowell Ahart 1990-7-31 4424 Butte Flea Valley bordering Concow Rd, ca. 4 mi north of Concow. 1127 Comment
  CHSC50808  Juncus dubius Vernon Oswald; Lowell Ahart 1990-7-31 4419 Butte Meadow at the headwaters of Concow Creek, ca. 4 mi north of Cocow. Along the creek at the foot of the meadow. 1097 Comment
  CHSC50809  Agrostis pallens Vernon Oswald; Lowell Ahart 1990-7-31 4418 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 899 Comment
  CHSC50811  Leptochloa fusca subsp. fascicularis Vernon Oswald; Lowell Ahart 1990-7-31 4413 Butte Lake Oroville at Vinton Gulch, ca. 0.7 mi (air) north of Cherokee. Bordering streamlet on the strand of the lake below the level of the cement ramp. 259 Comment
  CHSC50814  Arnica longifolia Vernon H. Oswald; Lowell Ahart 1990-7-19 4370 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.8 mi west of the Plumas County line. 1965 Comment
  CHSC50816  Eurybia integrifolia Vernon Oswald 1990-7-23 4381 Butte Meadow at the headwaters of the east branch of Willow Creek, ca. 1 mile south of Humbug Summit. 1938 Comment
  CHSC50822  Nothocalais alpestris Vernon Oswald; Lowell Ahart 1990-7-19 4377 Butte South side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.1 mi west of the Plumas County line. 1950 Comment
  CHSC50827  Herniaria hirsuta subsp. hirsuta Vernon Oswald 1990-7-17 4362 Butte Paradise Lake, ca. 3 miles north of Magalia. At the culvert on Coutolenc Creek. 777 Comment
  CHSC50828  Stellaria calycantha Vernon Oswald; Lowell Ahart 1990-7-19 4369 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.6 mi west of the Plumas County line. 1981 Comment
  CHSC50830  Cornus sericea subsp. sericea Vernon Oswald; Lowell Ahart 1990-7-19 4365 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.3 mi west of the Plumas County line. 2011 Comment
  CHSC50831  Cuscuta californica var. californica Vernon Oswald; Lowell Ahart 1990-7-19 4368 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.5 mi west of the Plumas County line. 2026 Comment
  CHSC50841  Frangula purshiana Vernon Oswald; Lowell Ahart 1990-7-19 4364 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.3 mi west of the Plumas County line. 1981 Comment
  CHSC50843  Castilleja arachnoidea Vernon Oswald; Lowell Ahart 1990-7-19 4367 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.4 mi west of the Plumas County line. 2011 Comment
  CHSC50845  Erythranthe tilingii Vernon H. Oswald; Lowell Ahart 1990-7-19 4376 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.4 mi west of the Plumas County line. 1920 Comment
  CHSC50846  Orthocarpus cuspidatus subsp. cryptanthus Vernon Oswald 1990-7-23 4384 Butte Opening in forest at the headwaters of the north branch of Willow Creek, 0.6 mi west of Humbug Rd at Humbug Summit. 2011 Comment
  CHSC50849  Agrostis exarata var. monolepis Vernon Oswald 1990-7-28 4404 Butte Butte Creek Trail, ca. 2.2 mi (air) east of Forest Ranch. 597 Comment
  CHSC50850  Bromus suksdorfii Vernon Oswald; Lowell Ahart 1990-7-19 4366 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.4 mi west of the Plumas County line. 2011 Comment
  CHSC50851  Calamagrostis canadensis Vernon Oswald 1990-7-23 4382 Butte Meadow at headwaters of the east branch of Willow Creek, ca. 1 mile south of Humbug Summit. Along the northwest edge of the meadow. 1920 Comment
  CHSC50852  Melica stricta Vernon Oswald; Lowell Ahart 1990-7-19 4374 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.6 mi west of the Plumas County line. 1950 Comment
  CHSC50854  Poa cusickii subsp. epilis Vernon Oswald; Lowell Ahart 1990-7-19 4371 Butte Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.8 mi west of the Plumas County line. 1965 Comment
  CHSC50855  Potamogeton foliosus var. foliosus Vernon Oswald 1990-7-28 4406 Butte De Sabla Lake, near the Skyway between Magalia and Stirling City. 801 Comment
  CHSC51043  Stephanomeria exigua subsp. macrocarpa Vernon Oswald 1983-10-2 1049 Butte Upper Bidwell Park, Chico, on the north rim about half way between the heads of the intermittent streams which flow into Sycamore Creek. 347 Comment
  CHSC51044  Stephanomeria virgata subsp. pleurocarpa Vernon Oswald 1983-7-15 869 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. at the e entrance to Brown's Hole. Road cut. 231 Comment
  CHSC51345  Amaranthus californicus Vernon Oswald 1990-8-14 4432 Butte West branch of Lake Oroville, Lime Saddle Recreation Area, Nelson Bar access, near the Lime Saddle Powerhouse. 259 Comment
  CHSC51347  Amaranthus powellii Vernon Oswald 1990-9-22 4453 Butte Growing in median along the Esplanade between 10th and 11th avenues. 59 Comment
  CHSC51348  Ambrosia acanthicarpa Vernon Oswald; Lowell Ahart 1990-10-11 4459 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. 259 Comment
  CHSC51351  Symphyotrichum chilense Vernon H. Oswald 1990-10-4 4455 Butte Rancho Llano Seco. Ord Ferry Rd, ca 1 mile southeast of Ord Ferry Bridge. Field between the road and the Sacramento River 30 Comment
  CHSC51353  Hieracium scouleri var. scouleri Vernon Oswald 1990-7-10 4358 Butte Feather Falls Trail between California Nutmeg Spring and Fall River, ca. 4 mi north of the town of Feather Falls. 603 Comment
  CHSC51354  Hieracium scouleri var. scouleri Vernon Oswald 1990-7-7 4354 Butte Near the south end of Butte Creek Trail, ca. 2.25 mi east of Forest Ranch, ca. 1 mi northwest of De Sabla. 548 Comment
  CHSC51359  Stephanomeria virgata subsp. pleurocarpa Vernon Oswald; Lowell Ahart 1990-10-11 4463 Butte Spur road off of Dark Canyon Rd, leading to the opening between railroad tunnels No. 7 and No. 8, about 4 miles south of Jarbo Gap. Road cuts. 335 Comment
  CHSC51363  Gaultheria ovatifolia Vernon H. Oswald; Lowell Ahart, L. Hanson 1990-8-14 4440 Butte French Creek on the north side of Forest Rd. 21N16, ca. 0.75 miles west of the north end of Sly Creek Reservoir. 1219 Comment
  CHSC51366  Hypericum formosum var. scouleri Vernon Oswald 1990-9-11 4448 Butte Marsh located about 1.5 miles south-southeast of Brush Creek. Occasional on the swampy meadow. 960 Comment
  CHSC51367  Lycopus americanus Vernon Oswald 1990-8-14 4435 Butte Kunkle Reservoir on the east side of Pentz-Magalia Hwy south of Paradise. Along the edge of the reservoir on the north side of the dam. 441 Comment
  CHSC51369  Eriogonum wrightii var. trachygonum Vernon Oswald 1990-10-13 4464 Butte Path on the south side of the Feather River between the fish hatchery and Bedrock Park, Oroville. 42 Comment
  CHSC51370  Rubus pensilvanicus Vernon Oswald 1990-8-28 4444 Butte Chico Meadows, ca. 1 mile north of Butte Meadows. Northeast of the 'swimming hole' at the Boy Scout Camp. 1292 Comment
  CHSC51373  Physalis acutifolia Vernon Oswald; Lowell Ahart 1990-10-11 4456 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. On the edge of the ramp road below the high-water line of the lake. 265 Comment
  CHSC51374  Verbena hastata Vernon Oswald 1990-8-14 4434 Butte Kunkle Reservoir on the east side of Pentz-Magalia Hwy south of Paradise. 441 Comment
  CHSC51376  Eragrostis hypnoides Vernon Oswald; Lowell Ahart 1990-10-11 4462 Butte Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. On the bed of Dark Creek, below the high water line of the lake. 243 Comment
  CHSC51379  Potamogeton nodosus Vernon Oswald 1990-8-14 4433 Butte Upper Miocene Canal just upstream from Kunkle Reservoir, on the east side of Pentz-Magalia Hwy south of Paradise. In the south end of the canal. 441 Comment
  CHSC52459  Delphinium hansenii subsp. hansenii Vernon Oswald 1983-5-21 509 Butte Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake. 152 Comment
  CHSC52780  Ranunculus canus Vernon Oswald 1983-3-19 198 Butte Upper Bidwell Park, Chico, on the n edge of Upper Park Rd. near Devil's Kitchen (2.1 mi e of the power lines). 225 Comment
  CHSC52790  Ranunculus canus Vernon Oswald 1983-2-14 74 Butte Upper Bidwell Park, Chico, on the n side of Upper Park Rd. near Parking Area P (0.6 mi e of Salmon Hole). 219 Comment
  CHSC53980  Ranunculus sceleratus var. sceleratus Vernon H. Oswald 1991-4-21 4508 Butte Shippee Rd, 0.3 mi east of Hwy 99, between Hwy 149 and the Thermalito Afterbay. In ditch on the north side of the road. 50 Comment
  CHSC53981  Galium tricornutum Vernon H. Oswald 1991-4-24 4529 Butte Hicks Lane, ca. 0.8 mi north of Sycamore Creek, in north Chico. 60 Comment
  CHSC53988  Hordeum depressum Vernon H. Oswald 1991-4-25 4533 Butte West Liberty Rd, 0.8 mi west of Pennington Rd, on the north edge of Gray Lodge Wildlife Area. Bordering the road near the PG and E Substation. 20 Comment
  CHSC53990  Puccinellia simplex Vernon H. Oswald 1991-4-25 4532 Butte West Liberty Rd, 0.8 mi west of Pennington Rd, on the north edge of Gray Lodge Wildlife Area. Flat on the south side of the road just west of the PG and E Substation. 20 Comment
  CHSC54003  Descurainia sophia Vernon H. Oswald 1991-4-8 4487 Butte Hwy 99, 0.3 mi south of Meridian Rd, north of Chico. On the east side of the road. 54 Comment
  CHSC54010  Limnanthes floccosa subsp. californica Vernon H. Oswald 1991-3-30 4476 Butte Hwy 149, 0.9 mi northwest of Hwy 70 at Wicks Corner, ca. 7 mi northwest of Oroville. In drainage on top of road cut on the south side of the highway. 80 Comment
  CHSC54087  Yabea microcarpa Vernon H. Oswald; Lowell Ahart 1991-5-13 4582 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 213 Comment
  CHSC54088  Carduus pycnocephalus Vernon H. Oswald; Lowell Ahart 1991-5-13 4587 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 137 Comment
  CHSC54091  Erigeron philadelphicus Vernon H. Oswald; Lowell Ahart 1991-5-13 4586 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 137 Comment
  CHSC54092  Microseris sylvatica Vernon H. Oswald; Lowell Ahart 1991-5-13 4588 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 121 Comment
  CHSC54095  Pectocarya pusilla Vernon H. Oswald; Lowell Ahart 1991-5-13 4580 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 213 Comment
  CHSC54106  Sidalcea asprella Vernon H. Oswald; Lowell Ahart 1991-5-13 4578 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 213 Comment
  CHSC54115  Allium peninsulare var. peninsulare Vernon H. Oswald; Lowell Ahart 1991-5-13 4577 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 213 Comment
  CHSC54117  Bromus laevipes Vernon H. Oswald; Lowell Ahart 1991-5-13 4579 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). All along the trail. 213 Comment
  CHSC54118  Melica torreyana Vernon H. Oswald; Lowell Ahart 1991-5-13 4584 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 170 Comment
  CHSC54174  Erigeron foliosus var. hartwegii Vernon H. Oswald; Lowell Ahart 1991-5-31 4637 Butte Lake Oroville State Recreation Area, along the roadbed on the south side of Thermalito Diversion pool, at the drainage on the northeast side of Sycamore Hill. 76 Comment
  CHSC54185  Clarkia unguiculata Vernon H. Oswald; Lowell Ahart 1991-5-31 4636 Butte Lake Oroville State Recreation Area, along the roadbed on the south side of Thermalito Diversion Pool, at the drainage on the northeast side of Sycamore Hill. Along the road. 76 Comment
  CHSC54187  Leptosiphon bicolor Vernon H. Oswald; Lowell Ahart 1991-5-31 4634 Butte Dan Beebe Trail in the Lake Oroville State Recreation Area, on the south side of Thermalito Diversion Pool, between Oroville Dam Blvd. East and Glen Pond. 91 Comment
  CHSC54296  Osmorhiza brachypoda Vernon H. Oswald; Lowell Ahart 1991-6-5 4651 Butte Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo. 762 Comment
  CHSC54297  Chaenactis glabriuscula var. heterocarpha Vernon H. Oswald 1991-6-5 4645 Butte Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo. 701 Comment
  CHSC54299  Silene antirrhina Vernon H. Oswald; Lowell Ahart 1991-6-5 4647 Butte Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo. 701 Comment
  CHSC54300  Calystegia atriplicifolia subsp. buttensis Vernon H. Oswald; Lowell Ahart 1991-6-5 4654 Butte Ca. 0.5 miles west of Hwy 32 on logging road 200-G, ca 1 mile north of Platte Mtn Lookout, between Forest Ranch and Lomo. 914 Comment
  CHSC54301  Euphorbia crenulata Vernon H. Oswald; Lowell Ahart 1991-6-5 4653 Butte Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo. On roadside banks. 822 Comment
  CHSC54302  Phacelia purpusii Vernon H. Oswald; Lowell Ahart 1991-6-5 4649 Butte Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo. 701 Comment
  CHSC54305  Aphyllon epigalium subsp. epigalium Vernon H. Oswald; Lowell Ahart 1991-5-13 4585 Butte Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway). 170 Comment
  CHSC54307  Leptosiphon bolanderi Vernon H. Oswald; Lowell Ahart 1991-6-5 4644 Butte Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo. 701 Comment
  CHSC54308  Ranunculus repens var. pleniflorus Vernon H. Oswald; Lowell Ahart 1991-6-5 4655 Butte Ewalt Camp on the West Branch of Butte Creek, east of Hwy 32 and north of Carpenter Ridge Rd, between Forest Ranch and Lomo. Along the creek. 914 Comment
  CHSC54310  Erythranthe pulsiferae Vernon H. Oswald; Lowell Ahart 1991-6-5 4642 Butte Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platt Mtn Lookout, between Forest Ranch and Lomo. 792 Comment
  CHSC54322  Frankenia salina Vernon H. Oswald 1991-6-16 4665 Butte West Liberty Rd, 1.0 mile west of Pennington Rd, on the north edge of Gray Lodge. Roadside. 20 Comment
  CHSC54327  Montia parvifolia Vernon H. Oswald; Lowell Ahart 1991-6-5 4652 Butte Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo. 792 Comment
  CHSC54432  Rudbeckia occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4739 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Marble Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. On the east side of the creek just upstream from the bridge. 1051 Comment
  CHSC54435  Stellaria crispa Vernon H. Oswald; Lowell Ahart 1991-7-15 4737 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  CHSC54438  Melilotus officinalis Vernon H. Oswald; Lowell Ahart 1991-7-15 4734 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), 2.1 miles east of its junction with Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek. 1082 Comment
  CHSC54452  Erythranthe guttata Vernon H. Oswald; Lowell Ahart 1991-7-15 4741 Butte Milsap Bar Rd (Forest Rd 22N62), 6.4 miles west of Feather Falls-Little Grass Valley Rd (Forest Rd 22N94), ca 5.5 miles (air) east-northeast of Brush Creek. 845 Comment
  CHSC54457  Piperia transversa Vernon H. Oswald; Lowell Ahart 1991-7-15 4732 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its junction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek. 1109 Comment
  CHSC54458  Piperia colemanii Vernon H. Oswald 1991-7-15 4731 Butte Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its juction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek. 1109 Comment
  CHSC54522  Lonicera cauriana Vernon H. Oswald; Lowell Ahart 1991-8-11 4823 Butte Marshy meadow located on the southeast side of Humbug Rd, ca. 0.5 mile northeast of the northeast end of Snag Lake. 1767 Comment
  CHSC54526  Cuscuta californica var. breviflora Vernon H. Oswald; Lowell Ahart 1991-8-19 4838 Butte East end of coon Hollow Rd (Forest Rd 26N74), near its junction with Forest Fd. 25N15 (to Philbrook Reservoir). 1706 Comment
  CHSC54527  Pyrola asarifolia subsp. asarifolia Vernon H. Oswald; Lowell Ahart 1991-8-19 4835 Butte Marshy meadow and lake on the north side of Forest Rd 25N15, between Philbrook Reservoir and Coon Hollow. 1767 Comment
  CHSC54546  Anthoxanthum odoratum Vernon H. Oswald; Lowell Ahart 1991-8-19 4834 Butte South side of Humbug Rd between Chaparral Guard Station and Memorial Spring, ca. 3.5 miles (air) southeast of Butte Meadows. 1554 Comment
  CHSC54866  Chamaesyce nutans Vernon H. Oswald; Lowell Ahart 1991-8-28 4850 Butte Rice Experiment Station on the south side of Hwy 162, ca. 3.5 miles north-northwest of Biggs. On the margins of rice fields. 30 Comment
  CHSC54868  Rotala ramosior Vernon Oswald; Lowell Ahart 1991-8-28 4849 Butte Rice Experiment Station on the south side of Hwy 162, ca. 3.5 miles north-northwest of Biggs. 30 Comment
  CHSC54874  Najas guadalupensis Vernon H. Oswald; Lowell Ahart 1991-8-28 4853 Butte Rice Experiment Station on the south side of Hwy 162, ca. 3.5 miles north-northwest of Biggs. 30 Comment
  CHSC54876  Heteranthera limosa Vernon H. Oswald; Lowell Ahart 1991-8-28 4851 Butte Rice Experiment Station on the south side of Hwy 162, ca. 3.5 miles north-northwest of Biggs. On the margins of rice fields. 30 Comment
  CHSC55798  Salsola australis Vernon H. Oswald; Lowell Ahart 1991-11-2 4882 Butte East side of Thermalito Diversion Pool ca. 0.3 mile north of Thermalito Diversion Dam, near Oroville. 73 Comment
  CHSC55800  Lythrum hyssopifolia Vernon H. Oswald 1991-11-2 4885 Butte Rancho Arroyo Chico. Upper Bidwell Park Chico, at a seep between Park Rd. and the north rim along the the first intermittent drainage west of Bear Hole Parking Area. 182 Comment
  CHSC55813  Potamogeton diversifolius Vernon H. Oswald; Lowell Ahart 1991-8-28 4856 Butte Impoundment just south of the Clay Pit Area of the Oroville Wildlife Area, on the east side of Larkin Rd, ca. 2 miles south of Hwy 162, Thermalito. In a pond. 39 Comment
  CHSC57219  Balsamorhiza deltoidea Vernon H. Oswald; Lowell Ahart 1992-3-24 4891 Butte Lake Oroville Recreation Area on the north side of Thermalito Diversion Pool, along the first stream west of the spillway and ca. 0.2 mi north of Burma Rd. 76 Comment
  CHSC57223  Euphorbia spathulata Vernon H. Oswald; Lowell Ahart 1992-3-24 4890 Butte Lake Oroville Recreation Area on the north side of Thermalito Diversion Pool, along the first stream west of the spillway and ca. 0.3 mi north of Burma Rd. 76 Comment
  CHSC57224  Scutellaria tuberosa Vernon H. Oswald; Lowell Ahart 1992-3-24 4887 Butte Lake Oroville Recreation Area, along Burma Rd. on the north side of Thermalito Diversion Pool about one-quarter mile east of the old bridge site. 76 Comment
  CHSC57795  Jensia rammii Vernon H. Oswald; John Dittes 1992-4-28 4927 Butte Ca. 0.5 mi SE of the southern end of Libby Rd. in SE Paradise. On the east side of and intermittent streamlet draining Dry Creek. 457 Comment
  CHSC57808  Trifolium albopurpureum var. albopurpureum Vernon H. Oswald; Lowell Ahart 1992-4-8 4894 Butte Ravine NW of the spillway launch ramp at Oroville Dam. 289 Comment
  CHSC57814  Trifolium oliganthum Vernon H. Oswald; Lowell Ahart 1992-4-8 4895 Butte Trail near the abandoned railroad grade in Oroville Dam Recreation Area on the S side of Thermalito Diversion Pool, between the spillway and Sycamore Hill. 85 Comment
  CHSC57819  Fraxinus dipetala Vernon H. Oswald; Lowell Ahart 1992-4-8 4897 Butte Near the abandoned railroad grade in Oroville Dam Recreation Area on the S side of Thermalito Diversion Pool at the NW foot of Sycamore Hill. 73 Comment
  CHSC58199  Diplacus layneae Vernon H. Oswald; Mayo Torgerson 1992-6-24 5032 Butte Trail into Rattlesnake Creek, which starts at the hairpin curve on Whiskey Flat-Sawmill Peak Rd. ca. 0.1 mi W of the gravel pit, Willard Mine property, ca. 1 mi (air) NE of Magalia. 707 Comment
  CHSC59166  Azolla microphylla Vernon H. Oswald 1992-9-21 5218 Butte SE corner of Llano Seco, in a ditch crossing Seven Mile Lane ca. 0.25 mi N of Nelson West Rd. 30 Comment
  CHSC60575  Berberis aquifolium var. dictyota Vernon H. Oswald; Lowell Ahart 1993-4-19 5286 Butte Rattlesnake Creek Trail between Jordan Hill Rd. and Sawmill Pk. Lookout, ENE of Magalia. 859 Comment
  CHSC60577  Barbarea orthoceras Vernon H. Oswald; Lowell Ahart 1993-4-21 5294 Butte Along the Skyway ca. 1 mi S of De Sabla. 804 Comment
  CHSC60578  Cardamine pachystigma Vernon H. Oswald; Lowell Ahart 1993-4-21 5293 Butte Path along Butte Creek Canal, ca. 1.0 mi N of its jct. with Hendricks Canal, N of De Sabla. 853 Comment
  CHSC60583  Phlox speciosa subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1993-4-19 5283 Butte Rattlesnake Creek Trail on outcrop between Jordan Hill Rd. and Sawmill Pk. Lookout, ENE of Magalia. 740 Comment
  CHSC60584  Claytonia parviflora subsp. grandiflora Vernon H. Oswald; Lowell Ahart 1993-4-19 5284 Butte Rattlesnake Creek Trail on a serpentine outcrop between Jordan Hill Rd. and Sawmill Pk. Lookout, ENE of Magalia. 740 Comment
  CHSC60585  Amelanchier utahensis Vernon H. Oswald; Lowell Ahart 1993-4-19 5285 Butte Rattlesnake Creek Trail between Jordan Hill Rd. and Sawmill Pk. Lookout, ENE of Magalia. Between creek and the lookout. 774 Comment
  CHSC60586  Comandra umbellata subsp. californica Vernon H. Oswald; Lowell Ahart 1993-4-21 5292 Butte Middle Butte Creek Trail on the W side of the creek and on the upstream side of Ponderosa Way, ca. 2.25 mi (air) NW of Magalia. 731 Comment
  CHSC60589  Fritillaria eastwoodiae Vernon H. Oswald; Lowell Ahart 1993-4-19 5279 Butte Rattlesnake Creek Trail from Jordan Hill Rd. to Sawmill Pk. Lookout, EDE of Magalia. 701 Comment
  CHSC60643  Isoetes orcuttii Vernon H. Oswald 1993-4-15 5271 Butte Upper Bidwell Park, Chico, in the vernal pool located at the SE corner of the fenced enclosure along the north boundary, somewhat E of the junction of Wildwood Ave. and Upper Park Rd. 85 Comment
  CHSC60644  Isoetes orcuttii Vernon H. Oswald 1993-4-12 5260 Butte North Table Mtn. Near the SW edge of Flag Canyon. 365 Comment
  CHSC60646  Lomatium dissectum var. multifidum Vernon H. Oswald 1993-4-12 5257 Butte S wall of Flag Canyon on the NW edge of North Table Mtn., N of Oroville. P 341 Comment
  CHSC60652  Hesperevax acaulis var. acaulis Vernon H. Oswald; Jim Snowden 1993-3-31 5247 Butte W portion of McKnight Ranch, which is located E of Hwy. 99 between Neal and Durham-Pentz roads. On the edge of streamlet. 54 Comment
  CHSC60655  Layia chrysanthemoides Vernon H. Oswald 1993-4-11 5255 Butte Hwy. 99 between Broyles Rd. and the Tehama County line in the N part of the county. Bordering the highway. 60 Comment
  CHSC60661  Amsinckia lycopsoides Vernon H. Oswald 1993-4-15 5269 Butte Upper Bidwell Park, Chico, along Upper Park Rd. near Devil's Kitchen. 207 Comment
  CHSC60662  Amsinckia lycopsoides Vernon H. Oswald 1993-4-24 5295 Butte Gray Lodge Wildlife Manegement Area, 0.1 mi N of Rutherford Rd in levee raod leading to Parking Lots 1, 2, and 3, ca. 0.5 mi E of Headquarters. 19 Comment
  CHSC60665  Caulanthus lasiophyllus Vernon H. Oswald; James Snowden 1993-4-7 5251 Butte Near the SE rim of Hamlin Canyon E of the cattle barns on the McKnight Ranch, E side of Hwy. 99 between Durham-Pentz and Neal roads, S of Chico. 182 Comment
  CHSC60678  Chenopodium californicum Vernon H. Oswald; Jim Snowden 1993-2-27 5231 Butte Near rimrock on the N side of the first canyon (unnamed) on the SE side of Neal Rd., just east of the double power transmission lines. 121 Comment
  CHSC60693  Urtica urens Vernon H. Oswald; James Snowden 1993-4-7 5253 Butte Cattle barns near the mouth of Hamlin Canyon, McKnight Ranch on the E side of Hwy.99 between Durham-Pentz and Neal Roads, S of Chico. 85 Comment
  CHSC60694  Plectritis macrocera Vernon H. Oswald; James Snowden 1993-4-7 5252 Butte Near the SE rim of Hamlin Canyon E of the cattle barns on the McKnight Ranch, E side of Hwy. 99 between Durham-Pentz and Neal roads, S of Chico. 182 Comment
  CHSC60705  Poa annua Vernon H. Oswald 1993-4-3 5248 Butte 1007 Lori Dr., in northwest Chico. In garden. 53 Comment
  CHSC60706  Poa secunda subsp. secunda Vernon H. Oswald 1993-4-12 5259 Butte S wall of Flag Canyon on the NW edge of North Table Mtn., N of Oroville. Along an old track running from the bottom of the canyon up onto the top of Table Mtn. 341 Comment
  CHSC60761  Polygonum californicum Vernon H. Oswald; Lawrence P. Janeway 1993-6-6 5490 Butte S of Jarbo Gap on Dark Canyon Rd., ca. 0.1 mi N of the ramp into Lake Oroville. 289 Comment
  CHSC60818  Eriophyllum lanatum var. croceum Vernon H. Oswald; Lowell Ahart 1993-6-22 5557 Butte Head Dam Rd (120C), 0.5 mi NW of Powellton Rd., between Powellton and Clear Creek, N of De Sabla. 1091 Comment
  CHSC60824  Euonymus occidentalis var. occidentalis Vernon H. Oswald; Lowell Ahart 1993-6-22 5564 Butte Long Ravine W of Stirling City, along Hendricks Canal ca. 0.25 mi S of the Diversion Dam. 950 Comment
  CHSC60843  Polygonum parryi Vernon H. Oswald; Lowell Ahart 1993-6-22 5560 Butte Gravel pit in Long Ravine W of Stirling Ciry, where Hendricks Canal tunnel dumps into the creek. 975 Comment
  CHSC60850  Rosa pisocarpa subsp. ahartii Vernon H. Oswald; Lowell Ahart 1993-6-22 5555 Butte Head Dam Rd (120C), 0.5 mi NW of Powellton Rd., between Powellton and Clear Creek, N of De Sabla. 1091 Comment
  CHSC60868  Festuca subuliflora Vernon H. Oswald; Lowell Ahart 1993-6-22 5563 Butte Long Ravine W of Stirling City, along Hendricks Canal ca. 0.25 mi S of the Diversion Dam. 950 Comment
  CHSC61018  Cupressus arizonica subsp. arizonica Vernon H. Oswald 1993-7-29 5732 Butte Gray Lodge Wildlife Management Area W of Gridley, S side of Rutherford Rd. at Parking lot 4, ca. 1.5 mi W of Pennington Rd. 19 Comment
  CHSC61019  Cupressus macrocarpa Vernon H. Oswald 1993-7-29 5733 Butte Gray Lodge Wildlife Management Area W of Gridley, S side of Rutherford Rd. at Parking lot 4, ca. 1.5 mi W of Pennington Rd. 19 Comment
  CHSC61028  Atriplex cordulata Vernon H. Oswald 1993-7-29 5728 Butte Gray Lodge Wildlife Management Area W of Gridley, W side of levee road ca. 100 ft S of Parking Lot 5 on Rutherford Rd., 0.5 mi W of Pennington Rd. 21 Comment
  CHSC61029  Atriplex cordulata Vernon H. Oswald 1993-7-29 5734 Butte Gray Lodge Wildlife Management Area W of Gridley, on the W sid o f a levee road and on the S side of Rutherford Rd. just E of the headquarters complex, ca. 1.75 mi W of Pennington Rd. 19 Comment
  CHSC61034  Atriplex depressa Vernon H. Oswald 1993-7-29 5729 Butte Gray Lodge Wildlife Management Area W of Gridley, W side of levee road ca. 100 ft S of Parking Lot 5 on Rutherford Rd., 0.5 mi W of Pennington Rd. 21 Comment
  CHSC61036  Atriplex subtilis Vernon H. Oswald 1993-7-29 5730 Butte Gray Lodge Wildlife Management Area W of Gridley, W side of levee road ca. 100 ft S of Parking Lot 5 on Rutherford Rd., 0.5 mi W of Pennington Rd. 21 Comment
  CHSC61053  Ludwigia peploides subsp. montevidensis Vernon H. Oswald 1993-7-29 5739 Butte Chico Landing (site) boat ramp, Bidwell River State Park, along the Sacramento River W of Chico. In slough and leading up to the ramp. 38 Comment
  CHSC61054  Ludwigia peploides subsp. peploides Vernon H. Oswald 1993-7-29 5736 Butte Gray Lodge Wildlife Management Area W of Gridley, 0.3 mi S of Rutherford Rd. on the first levee road E of the headquarters complex. In a drainage ditch. 19 Comment
  CHSC61159  Sidalcea hartwegii Vernon H. Oswald 1993-5-18 5397 Butte Middle Butte Creek Trail on the W side of the creek and on the upstream side of Ponderosa Way, ca. 2.25 mi (air) NW of Magalia. 707 Comment
  CHSC61176  Prunus virginiana var. demissa Vernon H. Oswald 1993-5-18 5402 Butte Middle Butte Creek Trail on the E side of the creek and on the upstream side of Ponderosa Way, between the pond and the footbridge over the creek, ca. 2 mi (air) WNW of Magalia. 609 Comment
  CHSC61180  Castilleja lacera Vernon H. Oswald 1993-5-18 5399 Butte Middle Butte Creek Trail on the W side of the creek and on the upstream side of Ponderosa Way, ca. 2.25 mi (air) NW of Magalia. 707 Comment
  CHSC61181  Castilleja lacera V. H. Oswald; L. Hanson, L. P. Janeway 1993-5-11 5371 Butte McKnight Ranch on the N side of Hwy. 99 between Neal and Durham-Pentz roads, on the bottom of the first canyon (unnamed) S of the Butte County Sanitary Landfill, near the double set of power transmission lines. 91 Comment
  CHSC61182  Erythranthe bicolor Vernon H. Oswald 1993-5-18 5400 Butte Middle Butte Creek Trail on the W side of the creek and on the upstream side of Ponderosa Way, ca. 2.25 mi (air) NW of Magalia. 707 Comment
  CHSC61197  Poa howellii Vernon H. Oswald 1993-5-18 5401 Butte Middle Butte Creek Trail on the W side of the creek and on the upstream side of Ponderosa Way, between the footbridge over the creek and the side trail to 'Lil' Falls, ca. 2 mi (air) WNW of Magalia. Along the trail near the bottom of the canyon. 609 Comment
  CHSC61205  Pseudobahia heermannii Vernon H. Oswald; Lowell Ahart 1993-3-24 5239 Butte E side of Dry Creek Canyon N of the historical site of Pentz, on the east side of a secondary drainage entering Dry Creek 2 mi. N of Pentz Rd. 274 Comment
  CHSC61207  Athysanus pusillus Vernon H. Oswald; Lowell Ahart 1993-3-24 5245 Butte E side of Dry Creek Canyon N of the historical site of Pentz, on the east side of a secondary drainage entering Dry Creek 2 mi. N of Pentz Rd. 262 Comment
  CHSC61208  Cardamine oligosperma Vernon H. Oswald; Lowell Ahart 1993-3-24 5246 Butte E side of Dry Creek Canyon N of the historical site of Pentz, on the east side of a secondary drainage entering Dry Creek 2 mi. N of Pentz Rd. 262 Comment
  CHSC61213  Scutellaria tuberosa Vernon H. Oswald; Lowell Ahart 1993-3-24 5240 Butte E side of Dry Creek Canyon N of the historical site of Pentz, on the east side of a secondary drainage entering Dry Creek 2 mi. N of Pentz Rd. 274 Comment
  CHSC61214  Delphinium patens subsp. patens Vernon H. Oswald; Lowell Ahart 1993-3-24 5236 Butte E side of Dry Creek Canyon N of the historical site of Pentz, on the east side of a secondary drainage entering Dry Creek 2 mi. N of Pentz Rd. 243 Comment
  CHSC61218  Diplacus kelloggii Vernon H. Oswald; Lowell Ahart 1993-3-24 5242 Butte E side of Dry Creek Canyon N of the historical site of Pentz, on the east side of a secondary drainage entering Dry Creek 2 mi. N of Pentz Rd. 274 Comment
  CHSC61767  Eriophyllum lanatum var. integrifolium Vernon H. Oswald 1993-8-24 5852 Butte Forest Rd. 26N33, 1.8 mi S of Humbug Rd. (27N11), ca. 0.5 mi (air) SW of Cirby Mdw., ESE of Jonesville. 1828 Comment
  CHSC61773  Stephanomeria virgata subsp. pleurocarpa Vernon H. Oswald 1993-8-31 5886 Butte Hwy. 70 at Cresta Rest (near the Butte-Plumas county line), along the PG and E service road to the falls on Bear Ranch Creek. On a bank near the bottom of the road. 457 Comment
  CHSC61974  Chenopodium strictum var. glaucophyllum Vernon H. Oswald 1993-10-19 5955 Butte N side of West East Ave., Chico, between Cussick and Alamo avenues. 51 Comment
  CHSC62025  Chenopodium atrovirens Vernon H. Oswald 1989-8-9 3931 Butte Logging Rd (G-Line) paralleling Butte Creek, 0.5 mi sw of Humboldt Rd, ca. 1.3 mi (air) sw of Butte Meadows. 1295 Comment
  CHSC62901  Thalictrum fendleri var. polycarpum Vernon H. Oswald; Lowell Ahart 1994-3-19 5999 Butte Beatson Hollow on North Table Mtn., ca. 2 mi W of Cherokee Rd. In drainage entering Campbell Creek. 274 Comment
  CHSC63382  Packera subnuda var. subnuda V. H. Oswald; L. P. Janeway, L. Hanson 1994-6-22 6349 Butte Meadow on the W side of Willow Creek near the Tehama County boundary, ca. 1 mi NW of Jonesville. 1539 Comment
  CHSC63429  Eriophorum gracile V. H. Oswald; L. P. Janeway, L. Hanson, et al. 1994-6-22 6350 Butte Large marshy meadow on the W side of Willow Creek near the Tehama County boundary, ca. 1 mi NW of Jonesville. 1539 Comment
  CHSC63541  Plantago coronopus Vernon H. Oswald 1994-4-14 6107 Butte Old railroad grade along the N. Fork Feather River ca. 0.25 mi W of Stony Creek, E of Poe Powerhouse. 301 Comment
  CHSC63542  Allophyllum divaricatum Vernon H. Oswald 1994-4-14 6108 Butte Old railroad grade along the N. Fork Feather River just E of Chino Creek, E of Poe Powerhouse. 301 Comment
  CHSC65010  Salix scouleriana Vernon Oswald 1987-6-9 2971 Butte Lily Pond 0.25 mi se of the benchmark on the s edge of Humbug Rd. between Butte Creek House and Snag Lake. 1813 Comment
  CHSC65011  Salix laevigata Vernon Oswald 1987-3-26 2298 Butte Butte Creek Reserve on the e side of the Skyway and n side of Butte Creek. 73 Comment
  CHSC65012  Salix melanopsis Vernon Oswald 1987-7-6 3094 Butte Butte Creek Reserve on the s side of Butte Creek, ca. 0.25 mi e of the Hwy 99 bridge. 67 Comment
  CHSC65015  Salix lucida subsp. lasiandra Vernon Oswald 1987-6-29 3032 Butte Jones Meadow Rd. e of Inskip at the West Branch of the Feather River. 1402 Comment
  CHSC65017  Salix lemmonii Vernon H. Oswald 1987-8-10 3204 Butte Snag Lake located 2.5 mi (air) se of Jonesville. 1726 Comment
  CHSC65018  Salix jepsonii V. Oswald; L. Ahart 1988-10-6 3708 Butte Last Chance Creek where it crosses the road between Inskip and Jones Meadow. 1560 Comment
  CHSC65098  Silene occidentalis subsp. longistipitata Vernon H. Oswald 1995-8-2 7170 Butte High Cascade Range. Scotts John Rd. (Forest Rd. 26N11) 1.5 mi N of Jonesville Rd. (Forest Rd. 26N27), between Spurs A and B. 1828 Comment
  CHSC65102  Lupinus angustiflorus Vernon H. Oswald 1995-8-2 7171 Butte High Cascade Range. Scotts John Rd. (Forest Rd. 26N11) 2.2 mi N of Jonesville Rd. (Forest Rd. 26N27). 1859 Comment
  CHSC65401  Lythrum portula Vernon Oswald 1983-7-21 892 Butte Upper Bidwell Park, Chico, along the edge of Horeshoe Lake. 100 Comment
  CHSC65402  Plantago Vernon Oswald 1983-6-29 795 Butte Upper Bidwell Park, Chico, near Yahi Trail e of Brown's Hole. Growing along edge of Chico Creek. 204 Comment
  CHSC65408  Urtica dioica subsp. holosericea Vernon Oswald 1983-10-10 1065 Butte Growing on the e bank of Pine Creek at the Calif. Hwy 32 bridge. Comment
  CHSC65413  Potamogeton Vernon Oswald 1988-10-25 3718 Butte Wurlitzer Unit, Vina Plains Preserve. In a farm pond. 57 Comment
  CHSC65416  Amaranthus Vernon Oswald 1988-8-8 3685 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between hwy 149 and Dry Creek. 57 Comment
  CHSC65417  Amaranthus Vernon Oswald 1988-8-8 3684 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between hwy 149 and Dry Creek. 57 Comment
  CHSC65419  Pseudognaphalium thermale Vernon H. Oswald 1982-11-13 14 Butte Upper Bidwell Park, Chico, ca. 500 ft. N of Upper Park Rd. 4.8 mi E of its junction with Wildwood Ave. (Browns Hole Area). Along the edge of a fire break. Comment
  CHSC65420  Grindelia hirsutula var. davyi Vernon Oswald 1987-7-29 3170 Butte Skyway between Lovelock and Toadtown. 914 Comment
  CHSC65421  Crassula aquatica Vernon Oswald 1988-3-16 3258 Butte Butte Creek Canyon Ecological Reserve on the south side of Butte Creek e of Hwy 99 near the control valves for Durham Mutual Ditch. 67 Comment
  CHSC65427  Ranunculus alismifolius var. hartwegii Vernon Oswald 1984-5-9 1179 Butte Near the covered spring at Chico Meadows ca. 1 mi n of Butte Meadows. In a meadow. 1292 Comment
  CHSC65428  Rosa bridgesii Vernon Oswald 1987-5-28 2939 Butte Concow Rd. 0.4 mi s of Flea Valley. 1097 Comment
  CHSC65431  Rubus pensilvanicus Vernon Oswald 1987-4-16 2330 Butte Butte Creek Reserve on the n side of Butte Creek e of the Skyway. 74 Comment
  CHSC65432  Rubus pensilvanicus Vernon Oswald 1989-4-20 3743 Butte The Midway between Richvale and Hwy 162. Along roadside ditches. 30 Comment
  CHSC65435  Lithophragma parviflorum var. trifoliatum Vernon Oswald 1988-3-22 3261 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. 60 Comment
  CHSC65436  Lithophragma parviflorum var. trifoliatum Vernon Oswald 1983-3-14 170 Butte Upper Bidwell Park, Chico, on the north rim at the head of the ravine at the Rifle Range. 182 Comment
  CHSC65437  Micranthes californica Vernon Oswald 1983-3-16 190 Butte Upper Bidwell Park, Chico, near the South Rim Trail ca. 1000 ft w of the power lines. 134 Comment
  CHSC65446  Pseudognaphalium thermale Vernon Oswald 1987-7-16 3121 Butte West Branch of Feather River upstream of where it crosses the road to Jones Meadow, ca. 1 mi (air) ne of Inskip. 1341 Comment
  CHSC65447  Grindelia camporum var. camporum Vernon Oswald 1990-10-15 4468 Butte Arroyo Chico. East Ave just west of the Esplanade, Chico. Roadside. 54 Comment
  CHSC65455  Elatine triandra Vernon Oswald 1988-10-25 3720 Butte Wurlitzer Unit, Vina Plains Preserve. 57 Comment
  CHSC65457  Navarretia divaricata subsp. vividior Vernon Oswald 1986-5-6 1999 Butte Cohasset Ridge along the dirt road paralleling Cohasset Hwy on the south. 457 Comment
  CHSC65460  Myosurus minimus Vernon Oswald 1984-3-28 1110 Butte Upper Bidwell Park, Chico, ca. 100 ft s of the n boundary of the park 1200 ft e of the Wildwood Ave. entrance. 86 Comment
  CHSC65461  Myosurus minimus Vernon Oswald 1988-4-18 3273 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Near the southeast corner of the large vernal pool which is located mostly on Rancho Esquon. 45 Comment
  CHSC65462  Myosurus minimus Vernon Oswald 1988-3-16 3257 Butte Butte Creek Canyon Ecological Reserve on the south side of Butte Creek e of Hwy 99 near the control valves of Durham Mutual Ditch. In a track. 67 Comment
  CHSC65464  Rosa pisocarpa subsp. pisocarpa Vernon Oswald 1983-7-6 822 Butte Near Scout Rd. 1.2 mi n of Butte Meadows. Near the edge of a meadow. 1325 Comment
  CHSC65465  Malus Vernon Oswald 1988-5-30 3346 Butte Butte Creek Canyon Ecological Reserve e of Hwy 99 between Butte Creek and Durham Mutual Ditch. 70 Comment
  CHSC65470  Carex densa Vernon Oswald 1983-3-13 168 Butte Upper Bidwell Park, Chico, beside Upper Park Rd. 300 ft w of Parking Area N (Salmon Hole). 170 Comment
  CHSC65471  Carex densa Vernon Oswald 1983-3-9 143 Butte Upper Bidwell Park, Chico, beside the abandoned road 400 ft n of Upper Park Rd. at Diversion Dam. 115 Comment
  CHSC65472  Juncus effusus subsp. pacificus Vernon Oswald 1988-5-25 3342 Butte Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. In a ditch along Hwy 99 just n of the entrance to the ranch. 57 Comment
  CHSC65475  Potamogeton pusillus var. pusillus Vernon Oswald 1988-5-19 3327 Butte Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. In a pond in an old channel of the Sacramento River. 45 Comment
  CHSC65476  Potamogeton pusillus var. tenuissimus Vernon Oswald 1989-6-8 3800 Butte W side of Hwy 99 in ditch just n of Comanche Creek in s Chico. 64 Comment
  CHSC65478  Potamogeton pusillus var. tenuissimus Vernon Oswald 1987-8-10 3209 Butte Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. In the west lake. 1935 Comment
  CHSC65682  Pseudognaphalium luteoalbum Vernon H. Oswald 1996-3-22 7256 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC65683  Senecio vulgaris Vernon H. Oswald 1996-3-22 7255 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC65684  Capsella bursa-pastoris Vernon H. Oswald 1996-3-22 7258 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC65686  Lepidium nitidum var. nitidum Vernon H. Oswald 1996-3-22 7254 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC65689  Populus fremontii subsp. fremontii Vernon H. Oswald 1996-3-22 7250 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, S edge of Tract 2. 33 Comment
  CHSC65693  Trifolium jokerstii Vernon H. Oswald 1996-3-28 7275 Butte Sacramento Valley. Locally common to abundant in swales and depressions in pastures along Cottonwood Rd. from ca. 2 mi to 3.4 mi E of Hwy. 99 (collected just inside the fence on the S side of the road, 2.6 mi E of Hwy. 99, 0.2 mi E of the entrance to the PG and E Substation). 48 Comment
  CHSC65775  Rorippa curvisiliqua var. occidentalis Vernon H. Oswald 1996-4-10 7352 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the levee between Tract 10.1 and Tract 10.2 (seasonal marshes), Sanctuary 1. 32 Comment
  CHSC65776  Amsinckia lycopsoides Vernon H. Oswald 1996-4-10 7351 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. On the levees at the NE corner of Tract 10.2, Sanctuary 1. 32 Comment
  CHSC65777  Cerastium glomeratum Vernon H. Oswald 1996-3-22 7257 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC65778  Elatine heterandra Vernon H. Oswald 1996-4-10 7354 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  CHSC65779  Lupinus bicolor var. tridentatus Vernon Oswald 1996-4-10 7357 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common in an equiptment storage lot off of 7 Mile Lane near the S end of Tract 8, Sanctuary 2. 33 Comment
  CHSC65780  Lupinus polycarpus Vernon H. Oswald 1996-4-10 7348 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. Common among weeds on the N end of the levee road between Tract6 and Tract 7.1, Sanctuary 1. 32 Comment
  CHSC65782  Veronica peregrina subsp. xalapensis Vernon H. Oswald 1996-4-10 7356 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture at the S end of Tract 7, Sanctuary 2. 33 Comment
  CHSC65783  Carex praegracilis Vernon H. Oswald 1996-4-10 7347 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. On the S side of the ranch road at the N end of Tract 7.2, Sanctuary 1. 33 Comment
  CHSC65784  Carex densa Vernon H. Oswald 1996-4-10 7346 Butte Sacramento River National Wildlift Refuge, Llano Seco Unit. U.S. Fish and Wildlife Services parcel between 7 Mile Lane and the Sacramento River. In a shallow roadside ditch on the S side of the ranch road at the N end of Tract 7.2, Sanctuary 1. Sacramento Valley. 33 Comment
  CHSC65885  Scandix pecten-veneris Vernon H. Oswald 1996-4-20 7409 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the SE corner of Tract 5, Sanctuary II. Sacramento Valley. 32 Comment
  CHSC65887  Agoseris heterophylla Vernon Oswald 1996-4-20 7402 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. 32 Comment
  CHSC65888  Filago pyramidata var. pyramidata Vernon H. Oswald 1996-4-20 7404 Butte Sacramento Valley. Sacramento River National Wildllife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65890  Hesperevax caulescens Vernon H. Oswald 1996-4-20 7392 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Sacramento Valley. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the S half of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65891  Lasthenia californica Vernon H. Oswald 1996-4-20 7395 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the S half of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65892  Lasthenia fremontii Vernon H. Oswald 1996-4-20 7393 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Pasture in the S half of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65895  Psilocarphus oregonus Vernon H. Oswald 1996-4-20 7406 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along the W end of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65897  Plagiobothrys stipitatus var. stipitatus Vernon H. Oswald 1996-4-10 7355 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a check in an old irrigated pasture at the S end of Tract 7, Sanctuary 2. 33 Comment
  CHSC65898  Callitriche heterophylla var. bolanderi Vernon H. Oswald 1996-4-20 7410 Butte Sacramento Valley. Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a drainage at the SW boundary of Tract 3.4, Sanctuary II. 32 Comment
  CHSC65902  Anagallis arvensis Vernon H. Oswald 1996-4-20 7397 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Large population growing on a low levee in formerly irrigated pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65903  Erythranthe guttata Vernon H. Oswald 1996-4-20 7399 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 mile Lane and the Sacramento River. Sacramento Valley. 32 Comment
  CHSC65904  Diplacus tricolor Vernon H. Oswald 1996-4-20 7396 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In pasture in the S half of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65906  Alopecurus pratensis Vernon H. Oswald 1996-4-20 7394 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge, Llano Seco Unit. 32 Comment
  CHSC65985  Achyrachaena mollis Vernon H. Oswald 1996-5-9 7546 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In the S paddock of Tract 7, Sanctuary II (formerly irrigated pasture). 32 Comment
  CHSC65987  Layia fremontii Vernon H. Oswald 1996-4-26 7455 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the NW corner of the north paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65988  Leontodon saxatilis subsp. longirostris Vernon H. Oswald 1996-5-9 7544 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. In the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65990  Downingia bicornuta var. bicornuta Vernon Oswald 1996-5-9 7541 Butte Sacramento River National Wildlife Refuge. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. On the drying bed of seasonal marsh (N end of Tract 4.2, Sanctuary II). 33 Comment
  CHSC65991  Crassula aquatica Vernon H. Oswald 1996-4-20 7405 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the W end of the S paddock of Tract 7, Sanctuary II. Sacramento River National Wildlife Refuge, Llano Seco Unit. 32 Comment
  CHSC65992  Astragalus tener var. ferrisiae Vernon H. Oswald 1996-5-9 7547 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65995  Hordeum depressum Vernon H. Oswald 1996-5-9 7550 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the SW corner of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65996  Phalaris lemmonii Vernon H. Oswald 1996-4-20 7400 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66067  Equisetum arvense Vernon H. Oswald 1996-5-22 7618 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge, Llano Seco Unit. 30 Comment
  CHSC66068  Equisetum laevigatum Vernon H. Oswald 1996-5-22 7617 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge, Llano Seco Unit. 30 Comment
  CHSC66070  Anthemis cotula Vernon H. Oswald 1996-5-23 7636 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  CHSC66071  Cotula australis Vernon H. Oswald 1996-5-22 7623 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along river at N end of Riparian Sanctuary. 30 Comment
  CHSC66072  Gnaphalium palustre Vernon H. Oswald 1996-5-22 7620 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along the Sacramento River at the N end of the Riparian Sanctuary. 30 Comment
  CHSC66075  Cornus glabrata Vernon H. Oswald 1996-5-22 7627 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Growing in the edge of a slough at the SE corner of the Riparian Sanctuary. 28 Comment
  CHSC66076  Glycyrrhiza lepidota Vernon H. Oswald 1996-5-22 7624 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along the slough and on the E side of Little Grant near the Riparian Sanctuary. 28 Comment
  CHSC66077  Stachys stricta Vernon H. Oswald 1996-5-23 7632 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Growing along a branch of Angel Slough at the SE corner of Tract 1, Sanctuary I. 33 Comment
  CHSC66078  Lythrum hyssopifolia Vernon H. Oswald 1996-5-23 7631 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common in the NE corner of Tract 7.2, Sanctuary I. 33 Comment
  CHSC66079  Malva nicaeensis Vernon H. Oswald 1996-5-22 7626 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. 28 Comment
  CHSC66083  Rosa californica Vernon H. Oswald 1996-5-22 7628 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Between the farm road and the slough at the SE corner of the Riparian Sanctuary. 28 Comment
  CHSC66084  Solanum americanum Vernon H. Oswald 1996-5-23 7633 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a branch of Angel Slough at the SE corner of Tract 1, Sanctuary I. 33 Comment
  CHSC66101  Phalaris paradoxa Vernon H. Oswald 1996-5-23 7635 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the levee at the SW edge of Tract 9.2, Sanctuary I. 32 Comment
  CHSC66102  Setaria sphacelata Vernon H. Oswald 1996-5-23 7630 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the NE corner of Tract 7.2. Sanctuary I. 33 Comment
  CHSC66155  Sonchus asper subsp. asper Vernon H. Oswald; Lowell Ahart 1996-5-27 7669 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66157  Sonchus tenerrimus Vernon H. Oswald; Lowell Ahart 1996-5-27 7670 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66158  Planodes virginica Vernon H. Oswald; Lowell Ahart 1996-5-27 7655 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Bed of marsh at the S end of Tract 2, Sanctuary II. 33 Comment
  CHSC66160  Lotus corniculatus Vernon H. Oswald; Lowell Ahart 1996-5-27 7671 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In formerly irrigated pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66161  Trifolium willdenovii Vernon H. Oswald; Lowell Ahart 1996-5-27 7657 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common on an elevated area on the bed of seasonal marsh at the SW corner of Tract2, Sanctuary II. 33 Comment
  CHSC66162  Geranium dissectum Vernon H. Oswald; Lowell Ahart 1996-5-27 761 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Locally abundant on the edge of a marshy area on the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II. 32 Comment
  CHSC66165  Plantago lanceolata Vernon Oswald; Lowell Ahart 1996-5-27 7666 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and the Sacramento River. Scattered plants in the formerly irrigated pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66166  Persicaria amphibia Vernon H. Oswald; Lowell Ahart 1996-5-27 7672 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Large colonies in a ditch between Seven Mile Lane and Tract 6, Santuary II, just N of the equipment parking lot. 32 Comment
  CHSC66167  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1996-5-27 7665 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile lane and the Sacramento River. Locally common on the drying bed of seasonal marsh on the S side of Tract 1.1, Sanctuary II. 33 Comment
  CHSC66168  Schoenoplectus acutus var. occidentalis Vernon H. Oswald 1996-5-27 7656 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a drainage on the bed of seasonal marsh at the SW corner of Tract 2, Sanc-tuary II. 33 Comment
  CHSC66169  Juncus bufonius var. congestus Vernon H. Oswald; Lowell Ahart 1996-5-27 7658 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River . 32 Comment
  CHSC66170  Juncus oxymeris Vernon H. Oswald; Lowell Ahart 1996-5-27 7659 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a marshy area on the S side of the levee road at the SW cor-ner of Tract 3.4, Sanctuary II. 32 Comment
  CHSC66171  Agrostis avenacea Vernon H. Oswald; Lowell Ahart 1996-5-27 7663 .1 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the SW corner of Tract 3.4, Sanctuary II of Sacramento River National Wildlife Refuge, Llano Seco Unit. 32 Comment
  CHSC66172  Bromus commutatus Vernon H. Oswald; Lowell Ahart 1996-5-27 7660 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II. 32 Comment
  CHSC66174  Echinochloa crus-galli Vernon H. Oswald; Lowell Ahart 1996-5-27 7664 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bed of a seasonal marsh on the S side of Tract 1.1, Sanctuary II. 33 Comment
  CHSC66175  Leptochloa fusca subsp. fascicularis Vernon H. Oswald; Lowell Ahart 1996-5-27 7664 .1 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of Tract 1.1, Sanctuary II. 33 Comment
  CHSC66177  Polypogon monspeliensis Vernon H. Oswald; Lowell Ahart 1996-5-27 7663 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II. 32 Comment
  CHSC66178  Vulpia bromoides Vernon H. Oswald; Lowell Ahart 1996-5-27 7671 .1 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit.U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66354  Amaranthus albus Vernon H. Oswald 1996-6-20 7823 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River (S end of Tract 2, Sanctuary II). 33 Comment
  CHSC66355  Bidens frondosa Vernon H. Oswald 1996-6-20 7833 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the NW corner of Tract 2, Sanctuary II. 33 Comment
  CHSC66356  Croton setiger Vernon H. Oswald 1996-6-20 7824 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Marsh at the S end of Tract 2, Sanctuary II. 33 Comment
  CHSC66359  Ammannia robusta Vernon H. Oswald 1996-6-20 7825 Butte Sacramento National Wildlife Refuge, Llano Seco unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  CHSC66363  Sagittaria montevidensis subsp. calycina Vernon H. Oswald 1996-6-20 7831 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the S end of Tract 3.4, Sanctuary II. 33 Comment
  CHSC66364  Cyperus difformis Vernon H. Oswald 1996-6-20 7832 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Marsh at NE corner of Tract 3.1, Sanctuary II. 33 Comment
  CHSC66366  Schoenoplectus mucronatus Vernon H. Oswald 1996-6-20 7836 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. A seasonal marsh at the SW corner of Tract 2, Sanctuary II. 33 Comment
  CHSC66367  Crypsis schoenoides Vernon H. Oswald 1996-6-20 7826 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bed of a marsh at the SW corner of Tract 2, Sanctuary II. 33 Comment
  CHSC66429  Amaranthus blitoides Vernon H. Oswald; Lowell Ahart 1996-6-10 7751 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the E side of Fish Camp, Riparian Sanctuary. 28 Comment
  CHSC66431  Helenium puberulum Vernon H. Oswald; Lowell Ahart 1996-6-10 7737 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bank of the Sacramento River at the N end of the Riparian Sanctuary. 28 Comment
  CHSC66433  Heliotropium curassavicum Vernon H. Oswald; Lowell Ahart 1996-6-10 7748 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Near a U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On edge of the farm road bordering the slough on the E side of Little Grant, near the Riparian Sanctuary. 28 Comment
  CHSC66434  Hirschfeldia incana Vernon H. Oswald; Lowell Ahart 1996-6-10 7735 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bank of the Sacramento River at the N end of the Riparian Sanctuary. 28 Comment
  CHSC66435  Sambucus mexicana Vernon H. Oswald; Lowell Ahart 1996-6-10 7742 .1 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 28 Comment
  CHSC66436  Dysphania botrys V. H. Oswald; Lowell Ahart 1996-6-10 7739 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Scattered plants on the riprapped bank of the Sacramento River at the N end of the Riparian Sanctuary. 28 Comment
  CHSC66439  Centaurium tenuiflorum Vernon H. Oswald; Lowell Ahart 1996-6-10 7758 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 mile Lane and the Sacramento River. At NE corner of Tract 7.2, Sanctuary I. 33 Comment
  CHSC66440  Lathyrus jepsonii var. californicus Vernon H. Oswald; Lowell Ahart 1996-6-10 7753 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and the Sacramento River. Locally common on the edge of the slough on the E side of Goodman Opening, near the SE end of the Riparian Sanctuary. 28 Comment
  CHSC66441  Mentha pulegium Vernon Oswald; Lowell Ahart 1996-6-10 7756 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the NE corner of Tract 7.2, Sactuary I. 33 Comment
  CHSC66442  Plantago major Vernon H. Oswald; Lowell Ahart 1996-6-10 7744 Butte Sacramento River Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and the Sacramento River. 28 Comment
  CHSC66445  Verbascum blattaria Vernon H. Oswald; Lowell Ahart 1996-6-10 7740 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 28 Comment
  CHSC66447  Nicotiana quadrivalvis Vernon H. Oswald; Lowell Ahart 1996-6-10 7736 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the riprapped bank of the Sacramento River at the N end of the Riparian Sanctuary. 28 Comment
  CHSC66448  Urtica dioica subsp. holosericea Vernon H. Oswald; Lowell Ahart 1996-6-10 7750 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common in a weedy field and along a slough on the E side of Fish Camp. 28 Comment
  CHSC66452  Echinodorus berteroi Vernon H. Oswald; Lowell Ahart 1996-6-10 7763 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Vernally flooded slough near the center of the E side of Tract 5 (W side of dike at the SW corner of Tract 6), Sanctuary I. 30 Comment
  CHSC66453  Carex vulpinoidea Vernon H. Oswald; Lowell Ahart 1996-6-10 7754 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. A canal at the NE corner of Tract 7.2, Sanctuary I. Common along all this canal, its laterals, and the edges of Tract 6, a permanent pool in Sanctuary I. 33 Comment
  CHSC66454  Cyperus strigosus Vernon H. Oswald; Lowell Ahart 1996-6-10 7730 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the riprapped bank of the Sacramento River at the N end of the Riparian Sanctuary. 28 Comment
  CHSC66456  Juncus effusus subsp. pacificus Vernon H. Oswald; Lowell Ahart 1996-6-10 7731 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the riprapped bank of the Sacramento River at the N end of the Riparian Sanctuary 28 Comment
  CHSC66459  Holcus lanatus Vernon H. Oswald; Lowell Ahart 1996-6-10 7761 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a ditch along the farm road on the N side of Tract 7.2, Sanctuary I. 33 Comment
  CHSC66463  Paspalum dilatatum Vernon H. Oswald; Lowell Ahart 1996-6-10 7747 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bank of the Sacramento River at the N end of the Riparian Sanctuary. 28 Comment
  CHSC66464  Paspalum distichum Vernon H. Oswald; Lowell Ahart 1996-6-10 7759 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bed of a seasonal marsh near the center of the W side of Tract 7.1, Sanctuary I. 33 Comment
  CHSC66656  Amaranthus retroflexus Vernon Oswald 1996-7-17 8066 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Along the farm road at Dan's Camp, north end of Riparian Sanctuary. 30 Comment
  CHSC66659  Perideridia kelloggii Vernon H. Oswald; Lowell Ahart 1996-7-22 8089 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Near the SW corner of Tract 3.4, Sanctuary II, on the Llano Seco Ranch side of the refuge boundary. 32 Comment
  CHSC66663  Lactuca saligna Vernon H. Oswald; Lowell Ahart 1996-7-22 8080 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Field on the W side of the levee at the SW corner of Tract 6, Sanctuary 1. 30 Comment
  CHSC66664  Lactuca serriola Vernon H. Oswald; Lowell Ahart 1996-7-22 8081 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the W side of the levee at the SW corner of Tract 6, Sanctuary 1. 30 Comment
  CHSC66666  Dysphania ambrosioides Vernon H. Oswald 1996-7-17 8064 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 30 Comment
  CHSC66668  Lycopus americanus Vernon H. Oswald; Lowell Ahart 1996-7-22 8079 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 mile Lane and the Sacramento River. Common along tules on the edge of the farm road crossing a branch of Angel Slough W of Refuge Headquarters at the SE corner of Tract 1, Sanctuary I. 32 Comment
  CHSC66669  Rotala ramosior Vernon H. Oswald; Lowell Ahart 1996-7-22 8085 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 30 Comment
  CHSC66671  Malvella leprosa Vernon H. Oswald; Lowell Ahart 1996-7-22 8094 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the NE corner of Tract 1.1, Sanctuary II. 33 Comment
  CHSC66673  Oenothera elata subsp. hirsutissima Vernon H. Oswald 1996-7-17 8065 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At Dan's Camp, north end of Riparian Sanctuary. 30 Comment
  CHSC66674  Persicaria hydropiperoides Vernon H. Oswald; Lowell Ahart 1996-7-22 8082 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Abundant in wet mud on the bottom of a drying slough on the W side of the levee at the SW corner of Tract 6, Sanctuary I. 30 Comment
  CHSC66675  Persicaria maculosa Vernon H. Oswald; Lowell Ahart 1996-7-22 8097 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Growing in gravel on the edge of the public access parking lot on Seven Mile Lane, adjacent to the SE corner of Tract 2, Santuary II. 33 Comment
  CHSC66676  Persicaria punctata Vernon H. Oswald; Lowell Ahart 1996-7-22 8077 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common among tules on the edge of the farm road crossing a branch of Angel Slough W of Refuge Headquarters at the SE corner of Tract 1, Sanctuary I. 32 Comment
  CHSC66679  Lindernia dubia var. anagallidea Vernon H. Oswald; Lowell Ahart 1996-7-22 8083 Butte U.S. Fish and Wildlife service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge. Llano Seco Unit. 30 Comment
  CHSC66680  Verbena bonariensis Vernon H. Oswald 1996-7-17 8059 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 30 Comment
  CHSC66681  Verbena litoralis Vernon H. Oswald 1996-7-17 8060 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 30 Comment
  CHSC66682  Sagittaria longiloba Vernon H. Oswald; Lowell Ahart 1996-7-22 8087 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a roadside ditch S of Refuge Headquarters on the E side of Tract 7.3, Sanctuary I. 32 Comment
  CHSC66685  Najas gracillima Vernon H. Oswald; Lowell Ahart 1996-7-22 8093 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In shallow water on the S side of Tract 3.1, Sanctuary II. 32 Comment
  CHSC66687  Heteranthera limosa Vernon H. Oswald; Lowell Ahart 1996-7-22 8084 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a drainage in the NW corner of Tract 9.1, Sanctuary I. 30 Comment
  CHSC66688  Potamogeton foliosus var. foliosus Vernon H. Oswald; Lowell Ahart 1996-7-22 8091 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the SW corner of Tract 3.2, Sanctuary II. 32 Comment
  CHSC66835  Ambrosia psilostachya Vernon H. Oswald 1996-8-29 8245 Butte Sacramento River National Widlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the southwest corner of Tract 3.4, Sanctuary II. 32 Comment
  CHSC66837  Hemizonia congesta subsp. luzulifolia Vernon H. Oswald 1996-8-29 8247 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. (Collected at the northeast corner of Tract 5, Sanctuary II). 32 Comment
  CHSC66838  Centromadia fitchii Vernon H. Oswald 1996-8-29 8248 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the northwest corner of Tract 5, Sanctuary II. 32 Comment
  CHSC66851  Heterotheca oregona var. compacta Vernon H. Oswald 1996-9-30 8289 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Northern Sacramento Valley. On the W side of the farm road between Camp 2 East and Camp 2 West in The Nature Conservancy easement area, near the Riparian Sanctuary. [Label says 'T20N R01W S15 SE1/4 of NW1/4']. 30 Comment
  CHSC66855  Urtica urens Vernon H. Oswald 1996-9-30 8290 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Llano Seco Rancho between 7 Mile Lane and the Sacramento River. On the drying margin of Angel Slough on the W side of Tract 4, Sanctuary I. 30 Comment
  CHSC66857  Eragrostis hypnoides Vernon H. Oswald 1996-9-30 8292 Butte Northern Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Llano Seco Rancho between 7 Mile Lane and the Sacramento River. On the margin of Angel Slough on the W side of Tract 4.1, Sanctuary I. [Label says 'T20N R01W S15 SE1/4 of NW1/4']. 30 Comment
  CHSC66894  Amaranthus deflexus Vernon H. Oswald 1996-10-12 8299 Butte Chico, Sewer Ponds on Chico River Rd., ca. 4.5 mi W of Chico. 41 Comment
  CHSC66896  Ludwigia peploides subsp. montevidensis Vernon H. Oswald 1996-10-22 8300 Butte Northern Sacramento Valley. Oroville Wildlife Area on the NW side of the Feather River just upstream from the outlet of Thermalito Afterbay. Along the edge of the Feather River. 33 Comment
  CHSC68567  Lupinus albifrons var. albifrons Vernon H. Oswald; John Ost, Steven Sayre 1997-5-9 8411 Butte West side of Hwy. 32 just south of Lomo. 1158 Comment
  CHSC69655  Malacothrix floccifera Vernon Oswald; Lowell Ahart 1997-9-9 8859 Butte North of Magalia and 0.4 mi northeast of Coutolenc Rd. on Jordan Hill Rd. to Whiskey Flat. Roadside. 670 Comment
  CHSC69660  Navarretia filicaulis Vernon Oswald; Lowell Ahart 1997-9-9 8860 Butte Northeast of Forest Ranch on Doemill Rd. 1.3 mi west of Butte Creek Bridge, 0.6 mi east of Garland Rd. Roadside. 792 Comment
  CHSC69661  Eriogonum umbellatum var. ahartii Vernon Oswald; Lowell Ahart 1997-9-9 8857 Butte Northeast of Magalia near the gravel pit on Jordan Hill Rd. 1.4 road mi east of the Whiskey Flat Bridge over the West Fork Feather River, 0.7 air mi northwest of Sawmill Pk. Lookout. 719 Comment
  CHSC69662  Polygonum bolanderi Vernon Oswald; Lowell Ahart 1997-9-9 8861 Butte Humboldt Rd. between Lomo and Butte Mdws., ca. 2.0 mi northeast of Lomo, near the 4833 ft. benchmark. 1473 Comment
  CHSC69667  Symphyotrichum chilense Vernon H. Oswald 1983-6-14 688 Butte Upper Bidwell Park, Chico, beside Yahi Trail E of Brown's Hole. 207 Comment
  CHSC69668  Symphyotrichum chilense Vernon H. Oswald 1987-5-6 2376 Butte Butte Creek Reserve e of Hwy 99 between Butte Creek and Durham Mutual Ditch. 67 Comment
  CHSC69670  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald 1987-7-16 3122 Butte West Branch of the Feather River upstream of where it crosses the road to Jones Meadow, ca. 1 mi (air) NE of Inskip. 1341 Comment
  CHSC69671  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald 1987-7-16 3123 Butte West Branch of the Feather River upstream of where it crosses the road to Jones Meadow, ca. 1 mi (air) NE of Inskip. 1341 Comment
  CHSC69672  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald 1987-7-16 3153 Butte Intersection of Bull Creek and Bull Hill Rd. (Skyway), between Inskip and Butte Meadows. 1508 Comment
  CHSC69678  Chenopodium album Vernon Oswald 1983-7-13 868 Butte Upper Bidwell in Chico, within the enclosure which formerly housed the Hooker Oak. Comment
  CHSC69684  Navarretia intertexta subsp. intertexta Vernon Oswald 1987-6-23 3026 Butte High Lakes Rd. 5.5 mi (odometer) n of Philbrook Rd. 1853 Comment
  CHSC70721  Stellaria pallida Vernon Oswald 1998-3-11 8887 Butte Northern Sacramento Valley. Wurlitzer Unit, Vina Plains Preserve. Along the north fence line just east of gate on Haille Rd. 57 Comment
  CHSC70768  Montia linearis Vernon Oswald 1998-3-11 8888 Butte Northern Sacramento Valley, Wurlitzer Unit, Vina Plains Preserve. Uncommon along the north fence line just east of gate on Haille Rd. 57 Comment
  CHSC70826  Dryopteris arguta Vernon Oswald 1998-4-12 8904 Butte Upper Bidwell Park (new addition), Pine Trail between the trailhead on Hwy. 32 opposite Santos Rd. (between Chico and Forest Ranch) and South Rim Trail. 396 Comment
  CHSC70830  Brassica rapa Vernon Oswald 1998-4-1 8893 Butte South edge of White Ave. 100 ft east of The Esplanade, Chico urban area. Between street and sidewalk. 54 Comment
  CHSC70832  Marah watsonii Vernon H. Oswald 1998-4-12 8905 Butte Upper Bidwell Park (new addition), South Rim Trail ca. 100 ft. west of Pine Trail. 396 Comment
  CHSC70840  Saxifraga californica Vernon Oswald 1998-3-16 8890 Butte North end of Upper Bidwell Park along lower Jeep Trail paralleling the east side Big Chico Creek north of the old homestead. 243 Comment
  CHSC70889  Dicentra uniflora Vernon Oswald 1998-4-30 8984 Butte Humboldt Rd. between Lomo and Butte Meadows, near the 4533 ft. BM ca. 2 mi northeast of Hwy. 32. Slope looking down into Big Chico Creek Canyon. 1381 Comment
  CHSC70975  Psilocarphus tenellus var. tenellus Vernon Oswald 1998-5-6 8989 Butte Upper Bidwell Park (new addition), South Rim Trail ca. 0.25 mi west of Pine Trail. 396 Comment
  CHSC70994  Chorizanthe stellulata Vernon Oswald 1998-5-6 8986 Butte Upper Bidwell Park (new addition), Pine Trail near the trailhead on Hwy. 32 between Chico and Forest Ranch opposite Santos Rd. 452 Comment
  CHSC70997  Galium aparine Vernon Oswald 1998-5-6 8988 Butte Upper Bidwell Park (new addition), Pine Trail between the trailhead on Hwy. 32 between Chico and Forest Ranch opposite Santos Rd. and South Rim Trail. 441 Comment
  CHSC71011  Triteleia lilacina Vernon Oswald 1998-5-6 8987 Butte Upper Bidwell Park (new addition), Pine Trail near the trailhead on Hwy. 32 between Chico and Forest Ranch opposite Santos Rd. 452 Comment
  CHSC71305  Lepechinia calycina Vernon H. Oswald 1998-6-24 9237 Butte West side of Hwy. 32 at Crown Pt. Rd. between Chico and Forest Ranch. 573 Comment
  CHSC71307  Clarkia gracilis subsp. albicaulis Vernon Oswald 1998-6-24 9238 Butte Hwy 32 at Crown Pt. Rd between Chico and Forest Ranch. 573 Comment
  CHSC71390  Hypericum concinnum Vernon H. Oswald 1998-7-1 9244 Butte Ca. 1 air mi west of Pulga and 0.4 mi west of Rim road along a spur road intersecting Rim Road 4.1 mi north of Jarbo Gap. 853 Comment
  CHSC71532  Pleuricospora fimbriolata Vernon H. Oswald 1998-7-26 9365 Butte Colby Mtn. Lookout Rd. (26N57) 0.9 mi northwest of Humboldt Rd. at Jonesville. 1560 Comment
  CHSC71543  Sidalcea glaucescens Vernon H. Oswald 1998-7-26 9364 Butte Colby Mtn. Lookout Rd. (26N57) 0.9 mi northwest of Humboldt Rd. at Jonesville. On the edge of the road. 1560 Comment
  CHSC71627  Ligusticum californicum Vernon H. Oswald; Lowell Ahart 1998-8-11 9472 Butte Four Trees-Coyote Gap Rd. 0.1 mi west of Four Trees. 1578 Comment
  CHSC71634  Senecio triangularis Vernon H. Oswald; Lowell Ahart 1998-8-11 9464 Butte USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. Along the edge of the creek. 1396 Comment
  CHSC71637  Pyrola dentata Vernon H. Oswald 1998-8-11 9461 Butte USFS 25N95 to Upper Wildcat Creek 0.3 mi north of Four Trees-Coyote Gap Rd. 1463 Comment
  CHSC71638  Hosackia oblongifolia var. oblongifolia Vernon H. Oswald 1998-8-11 9465 Butte USFS 23N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. 1396 Comment
  CHSC71652  Boykinia major Vernon H. Oswald; Lowell Ahart 1998-8-11 9463 Butte USFS 25N95 to Upper Wildcat Creek 0.7 mi north of Four Trees-Coyote Gap Rd. 1408 Comment
  CHSC71655  Penstemon laetus var. leptosepalus Vernon H. Oswald; Lowell Ahart 1998-8-11 9473 Butte Four Trees-Coyote Gap Rd. 0.1 mi west of Four Trees. 1578 Comment
  CHSC71658  Luzula cascadensis Vernon H. Oswald; Lowell Ahart 1998-8-11 9468 Butte USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. 1396 Comment
  CHSC72400  Dopatrium junceum Vernon H. Oswald; Lowell Ahart, Barbara Ertter 1998-10-22 9675 Butte Rice field at the northeast corner of Hamilton and Riceton roads, Rice Experiment Station northwest of Biggs. 30 Comment
  CHSC72401  Limnophila X ludoviciana Vernon H. Oswald; Lowell Ahart, Barbara Ertter 1998-10-22 9674 Butte Rice field at the northeast corner of Hamilton and Riceton roads, Rice Experiment Station northwest of Biggs. 30 Comment
  CHSC72402  Eleocharis quadrangulata Vernon H. Oswald; Lowell Ahart, Barbara Ertter 1998-10-22 9676 Butte Pond on east side of Larkin Rd. just south of the boundary of the Oroville WA at the clay pits, ca. 1 mi south of the Oroville Municipal Airport. Along the receding north shore of the pond. 41 Comment
  CHSC72888  Pyracantha coccinea Vernon H. Oswald 1998-11-4 9690 Butte Butte Meadows Campground. Between northeastern-most campsite and Butte Creek. 1325 Comment
  CHSC75254  Anchusa officinalis Vernon H. Oswald 1999-4-24 9720 Butte Genetic Resource Center (old USDA Plant Introduction Station) in south Chico. 70 Comment
  CHSC75357  Isatis tinctoria Vernon H. Oswald 1999-5-10 9726 Butte Hwy. 99 between Keefer and Meridian roads north of Chico. At roadside. 54 Comment
  CHSC76515  Ricinus communis Vernon H. Oswald 1999-11-14 9840 Butte Near the southwest corner of the Chico Sewage Treatment Plant on Chico River Rd. Rancho de Farwell. 39 Comment
  CHSC77164  Kumlienia hystricula Vernon H. Oswald 2000-3-4 9884 Butte Hwy. 70 in Feather River Canyon 0.5 mi south of Cresta Rest Area. Along this section of highway. 464 Comment
  CHSC78487  Cyperus iria Vernon H. Oswald 2000-8-12 9949 Butte South end of the large dredge pond in the Oroville Wildlife Area on the west side of the Feather River between Palm Avenue and Vance Avenue. 28 Comment
  CHSC78554  Aristida oligantha Vernon H. Oswald; Lowell Ahart 2000-8-22 9951 .2 Butte About 3 mi south of Brush Creek on the north side of Bean Creek Road at a point about midway between Little Bald Rock and Bald Rock Dome. 998 Comment
  CHSC78797  Ericameria arborescens Vernon H. Oswald 2000-9-23 9971 Butte Lumpkin Rd 2.0 mi northwest of the Enterprise Bridge over Lake Oroville. 518 Comment
  CHSC78979  Elatine ambigua Vernon H. Oswald 2000-10-4 9974 Butte Rice Experiment Station; field on south side of Hwy 162 between the railroad and Riceton Rd. 30 Comment
  CHSC80520  Sinapis arvensis Vernon H. Oswald 2001-4-1 9993 Butte Grainland Rd (Pratt Grant Rd) 0.75 mi east of Seven Mile Lane, southwest of Chico. 30 Comment
  CHSC80521  Streptanthus tortuosus var. suffrutescens Vernon H. Oswald 2001-4-8 9995 Butte Old roadbed paralleling Oroville-Quincy Hwy just north of Bidwell Bar Bridge. 292 Comment
  CHSC80532  Salix babylonica Vernon H. Oswald 2001-4-4 9994 Butte Palm Ave entrance to the Oroville Wildlife Area. 27 Comment
  CHSC80778  Brodiaea minor Vernon H. Oswald 1998-7-3 9245 Butte East slope of Little Butte Creek Canyon in Paradise, ca. 0.1 mi north of the boundary of Bille Park along a continuation of the Bille Park Nature Trail. 487 Comment
  CHSC81038  Gayophytum racemosum Vernon H. Oswald 2001-7-16 10051 Butte Butte Creek House Ecological Reserve east-southeast of Jonesville. 1775 Comment
  CHSC84381  Clematis lasiantha Vernon Oswald 1983-4-1 251 Butte Upper Bidwell Park, Chico beside the South Rim Trail ca. 1000 ft w of the power lines. 134 Comment
  CHSC93373  Dysphania multifida Vernon H. Oswald 2000-11-2 9981 Butte Chico Sewage Treatment Plant on Chico River Rd west of Chico. Scattered on levees surrounding evaporation ponds. 41 Comment
  CHSC97536  Rhynchospora californica Vernon Oswald 1985-7-10 1895 Butte Upper Bidwell Park, Chico, ca. 200 ft south of Upper Park Rd. ca. 0.2 miles ne of Salmon Hole. 182 Comment
  JEPS102501  Cuscuta indecora Vernon H. Oswald 2000-11-2 9982 Butte W of Chico (Chico Sewage Treatment Plant, Chico River Road) 41 Comment
  JEPS102537  Dopatrium junceum Vernon H. Oswald 1998-10-22 9675 Butte Rice field at the northeast corner of Hamilton and Riceton roads, Rice Experiment Station northwest of Biggs. 30 Comment
  JEPS102545  Salix babylonica Vernon H. Oswald 2001-4-4 9994 Butte Palm Ave entrance to the Oroville Wildlife Area. 27 Comment
  JEPS102709  Montia diffusa Vernon H. Oswald and Lowell Ahart 2001-6-5 10047 Butte Bryant Ravine, near the trailhead to Feather Falls 749 Comment
  JEPS102773  Chenopodium multifidum Vernon H. Oswald 2000-11-2 9981 Butte W of Chico (Chico Sewage Treatment Plant on River Road) 41 Comment
  JEPS102831  Gayophytum racemosum Vernon H. Oswald 2001-7-16 10051 Butte Butte Creek House Ecological Reserve east-southeast of Jonesville. 1775 Comment
  JEPS86716  Hypericum mutilum Vernon Oswald 1990-9-20 4451 Butte at w. end of Cana Hwy Sacramento R. (portion of Rancho Bosquejo) 48 Comment
  JEPS87167  Balsamorhiza deltoidea Vernon H. Oswald and Lowell Ahart 1992-3-24 4891 Butte Thermalito Diversion Pool Lake Oroville Recreation Area (n side, along the first stream w of spillway and ca 2.0 mi n of Burma Rd.) 76 Comment
  JEPS87407  Clarkia rhomboidea Vernon H. Oswald and Lowell Ahart 1993-6-22 5554 Butte 2.1 mi n Doe Mill Rd. (Ponderosa Way) (Powellton Rd., n of De Sabla) 963 Comment
  JEPS87429  Claytonia parviflora subsp. grandiflora Vernon H. Oswald and Lowell Ahart 1993-4-19 5284 Butte Rattlesnake Creek Trail ene Magalia (between Jordan Hill Rd and Sawmill Peak Lookout) 740 Comment
  JEPS87504  Cardamine oligosperma Vernon H. Oswald and Lowell Ahart 1993-3-24 5246 Butte n. of historical site of Pentz (on e. side of a secondary drainage entering Dry Creek 2 mi n. of Pentz Rd., e. side Dry Creek Canyon); Dry Creek Canyon, drainage entering Dry Creek 262 Comment
  JEPS88224  Bolboschoenus glaucus Vernon H. Oswald and Lowell Ahart 1996-6-10 7757 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (in the ne corner of corner of Tract 7.2, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS88225  Helenium puberulum Vernon H. Oswald and Lowell Ahart 1996-6-10 7737 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (on riprapped bank of river at n end of the Riparian Sanctuary); Sacramento River National Wildlife Refuge, Llano Seco Unit 28 Comment
  JEPS88227  Cyperus strigosus Vernon H. Oswald and Lowell Ahart 1996-6-10 7730 Butte at n. end of Riparian Sanctuary Sacramento River Nat'l Wildlife Refuge (Llano Seco Unit, U.S. Fish and Wildlife Service parcel between 7 mi. Lane and Sacramento R.); , Llano Seco Unit 28 Comment
  JEPS88228  Lolium multiflorum Vernon H. Oswald and Lowell Ahart 1996-6-10 7734 Butte U.S. Fish and Wildlife Service parcel btw 7 Mile Lane and Sacramento River (bank of river at n end of Riparian Sanctuary, Sacramento River Nat'l Wildlife Refuge, Llano Seco Unit); Sacramento River National Wildlife Refuge 28 Comment
  JEPS88230  Elymus glaucus Vernon H. Oswald and Lowell Ahart 1996-6-10 7732 Butte Riparian Sanctuary Sacramento River National Wildlife Refuge, Llano Seco Unit (n end, U.S. Fish and Wildlife Service parcel between 7 Mile Lane and river) 28 Comment
  JEPS88257  Alisma plantago-aquatica Vernon H. Oswald and Lowell Ahart 1996-6-10 7764 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (along edge of slough near center of e side of Tract 5, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit 30 Comment
  JEPS88258  Echinodorus berteroi Vernon H. Oswald and Lowell Ahart 1996-6-10 7763 Butte near center of e. side of Tract 5 (w. side of dike at s.w. corner of Tract 6), Santuary 1 Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit (U.S. Fish & Wildlife Service parcel betw. 7 Mile Lane & Sacramento R.) 30 Comment
  JEPS88260  Bromus commutatus Vernon H. Oswald and Lowell Ahart 1996-5-27 7660 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (sw corner of Tract 3.4, Sanctuary II, Sacramento R. National Wildlife Refuge, Llano Seco Unit); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS88261  Leptochloa fascicularis Vernon H. Oswald and Lowell Ahart 1996-5-27 7664 .1 Butte Sanctuary II Sacramento River National Wildlife Refuge, Llano Seco Unit (seasonal marsh on s side of Tract 1.1, US Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River) 33 Comment
  JEPS88265  Geranium dissectum Vernon H. Oswald and Lowell Ahart 1966-5-27 7661 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River, S side of the levee road at the SW corner of Tract 3.4, Sanctuary II Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS88267  Plantago lanceolata Vernon H. Oswald and Lowell Ahart 1996-5-27 7666 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane & Sacramento R. Sacramento R. Nat'l Wildlife Refuge (in the s. paddock of Tract 7, Sanctuary II, Llano Seco Unit); , Llano Seco Unit 32 Comment
  JEPS88272  Trifolium willdenovii Vernon H. Oswald and Lowell Ahart 1996-5-27 7657 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane and Sacramento R. (bed of seasonal marsh at s.w. corner of Tract 2 Sanctuary II); Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS88273  Polypogon maritimus Vernon H. Oswald and Lowell Ahart 1996-5-27 7662 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane & the Sacramento R. Sacramento R. Nat'l Wildlife Refuge (s. side of levee rd. at s.w. corner of Tract 3.4, Sanctuary II, Llano Seco Unit); , Llano Seco Unit 32 Comment
  JEPS88407  Malvella leprosa Vernon H. Oswald and Lowell Ahart 1996-7-22 8094 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane & Sacramento R. (n.e. c); Sacamento R. Nat'l Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS88408  Heteranthera limosa Vernon H. Oswald and Lowell Ahart 1996-7-22 8084 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (in the nw corner of Tract 9.1, Sanctuary I, (a unit managed for watergrass)); Sacramento River National Wildlife Refuge, Llano Seco Unit 30 Comment
  JEPS88496  Centromadia parryi subsp. rudis Vernon H. Oswald and Lowell Ahart 1996-7-22 8096 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (on edge of public access parking lot on 7 Mile Lane, adjacent to se corner of Tract 2, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS88545  Foeniculum vulgare Vernon H. Oswald and Lowell Ahart 1996-7-22 8076 Butte U.S. Fish & Wildlife Service parcel betw. 7 Mile Lane and Sacramento R. (edge of levee rd. along n. side of Tract 6 - Sanctuary 1); Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS88546  Polygonum persicaria Vernon H. Oswald and Lowell Ahart 1996-7-22 8097 Butte U.S. Fish and Wildlife Service Parcel between 7-Mile Lane and Sacramento River (edge of public access parking lot on 7-Mile Lane, adjacent to se corner of Tract 2, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS88549  Eleocharis quadrangulata Vernon H. Oswald and Lowell Ahart 1996-7-22 8092 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (on s side of Tract 3.1, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS88562  Eragrostis pectinacea var. pectinacea Vernon H. Oswald and Lowell Ahart 1996-6-10 7733 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (on the Sacramento River at the n end of the Riparian Sanctuary); Sacramento River National Wildlife Refuge, Llano Seco Unit 28 Comment
  JEPS88567  Polygonum amphibium var. emersum Vernon H. Oswald and Lowell Ahart 1996-5-27 7672 Butte U.S. Fish and Wildlife parcel between 7 Mile Lane and Sacramento River (in a ditch between 7 Mile Lane and Tract 6, Sanctuary 2, just n of the equipment parking lot); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS88568  Lythrum tribracteatum Vernon H. Oswald and Lowell Ahart 1996-5-27 7654 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (at s end of Tract 2, Sancturary II, Llano Seco Unit of Sacramento R. National Wildlife Refuge); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS88583  Polygonum douglasii subsp. douglasii Vernon H. Oswald and Lowell Ahart 1996-7-22 8082 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (w side of levee at sw corner of Tract 6, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit 30 Comment
  JEPS88584  Bolboschoenus maritimus subsp. paludosus Vernon H. Oswald and Lowell Ahart 1996-7-22 8095 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River Sacramento River National Wildlife Refuge, Llano Seco Unit (NE corner of Tract 1.1, Sanctuary II) 33 Comment
  JEPS88599  Lotus corniculatus Vernon H. Oswald and Lowell Ahart 1996-5-27 7671 Butte U.S. Fish and Wildlife Service parcel betw Seven Mile Lane and Sacramento River (in the s paddock of Tract 7, Santuary II, Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS90626  Atriplex subtilis Vernon H. Oswald 1993-7-29 5730 Butte w side of levee rd. ca. 100 ft s Parking Lot 5 on Rutherford Road (0.5 mi w of Pennington Rd., w of Gridley); Gray Lodge Wildlife Management Area 21 Comment
  JEPS90671  Atriplex cordulata Vernon H. Oswald 1993-7-29 5728 Butte w of Gridley (Gray Lodge Wildlife Management Area, w side of levee road, 100 ft s of Parking Lot 5 on Rutherford Road, 0.5 mi w of Pennington Road); Gray Lodge Wildlife Management Area 21 Comment
  JEPS93939  Chimaphila umbellata Vernon H. Oswald and Lowell Ahart 1998-8-11 9462 Butte USFS 25N95 to Upper Wildcat Creek 0.3 mi n of Four Trees-Coyote Gap Road Upper Wildcat Creek; USFS 25N95 to Upper Wildcat Creek 1463 Comment
  JEPS93940  Pyrola dentata Vernon H. Oswald and Lowell Ahart 1998-8-11 9461 Butte USFS 25N95 to Upper Wildcat Creek 0.3 mi north of Four Trees-Coyote Gap Road 1463 Comment
  JEPS93942  Ligusticum californicum Vernon H. Oswald and Lowell Ahart 1998-8-11 9472 Butte Four Trees-Coyote Gap Road 1 mi w of Four Trees; Four Trees-Coyote Gap Road 1578 Comment
  JEPS93969  Stellaria pallida Vernon Oswald 1998-4-6 8899 Butte North Table Mt. on the plateau on the s. side of Beaston Hollow (ca. 1.5 mi. w. of Cherokee Rd.); North Table Mt., Beaston Hollow 323 Comment
  JEPS93976  Chorizanthe stellulata Vernon Oswald 1998-5-6 8986 Butte Pine Trail near the trailhead on Hwy. 32 between Chico and Forest Ranch (opposite Santos Rd., Upper Bidwell Park (new addition)); Upper Bidwell Park (new addition) 452 Comment
  JEPS93980  Lepechinia calycina Vernon H. Oswald 1998-6-24 9237 Butte w. side of Hwy. 32 at Crown Pt. Rd. between Chico and Forest Ranch 573 Comment
  JEPS93981  Clarkia gracilis subsp. albicaulis Vernon H. Oswald 1998-6-24 9238 Butte Hwy. 32 at Crown Pt. Rd. between Chico and Forest Ranch (n. side of the knob on the w. side of the rd., easily seen from hwy. when traveling s. from Forest Ranch) 573 Comment
  JEPS93985  Osmorhiza brachypoda Vernon H. Oswald 1998-7-9 9253 Butte Feather Falls Trail starting at end of Bryant Ravine Rd. n. of town of Feather Falls (ca. 0.4 mi. n. of the trailhead near the junction of the upper and lower trails) 701 Comment
  JEPS94853  Apocynum androsaemifolium Vernon H. Oswald and Lowell Ahart 1998-8-11 9470 Butte Four Trees-Coyote Gap Road 1.3 mi w of Four Trees; Four Trees-Coyote Gap Road 1524 Comment
  JEPS94934  Eriogonum umbellatum var. ahartii Vernon Oswald and Lowell Ahart 1997-9-9 8857 Butte 0.7 air mi nw of Sawmill Peak Lookout (ne of Magalia near the gravel pit on Jordan Hill Road, 1.4 mi e of the Whiskey Flat Bridge over the West Fork of Feather River) 719 Comment
  JEPS94970  Stephanomeria elata Vernon Oswald and Lowell Ahart 1997-9-9 8858 Butte n of Magalia (and 0.4 mi ne of Coutolenc Road on Jordan Hill Road to Whiskey Flat); Jordan Hill Road 670 Comment
  JEPS94976  Polygonum bolanderi Vernon Oswald and Lowell Ahart 1997-9-9 8861 Butte 2.0 mi ne of Lomo (Humboldt Road between Lomo and Butte Meadows, near the 4833 ft. benchmark); Humboldt Road Comment
  JEPS95175  Epilobium campestre Vernon H. Oswald and Lowell Ahart 1996-5-27 7653 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane and the Sacramento River (Sacramento River National Wildlife Refuge, Llano Seco Unit, at s end of Tract 2, Sanctuary II); Sacramento R. National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS95957  Anchusa officinalis Vernon H. Oswald 1999-4-24 9720 Butte Genetic Resource Center (old USDA Plant Introduction Station) in south Chico: T21N R2E SE1/4 NW1/4 Sect. 5, 230 ft, agricultural area. Localized weed growing in the NE corner of the intersection of farm roads directly S of the headquarters building. 70 Comment
  JEPS95961  Veronica serpyllifolia subsp. serpyllifolia Vernon H. Oswald 1999-4-24 9721 Butte Garden at 1007 Lori Dr Chico; ; Garden at 1007 Lori Dr., Chico: T22N R1E sections not surveyed, 175 ft, residential area. A perennial blooming the first year; stems erect from a decumbent base; corolla white with violet veining. 53 Comment
  JEPS96001  Echinochloa crus-galli Vernon H. Oswald and Lowell Ahart 1996-5-27 7664 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (on the s side of Tract 1.1, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS96003  Juncus oxymeris Vernon H. Oswald and Lowell Ahart 1996-5-27 7659 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (s side of levee road at sw corner of Tract 3.4, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS96004  Polygonum lapathifolium Vernon H. Oswald and Lowell Ahart 1996-5-27 7665 Butte U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and Sacramento River (seasonal marsh on s side of Tract 1.1, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS96018  Lathyrus angulatus Vernon H. Oswald and Lowell Ahart 1996-5-27 7652 Butte U.S. Fish and Wildlife Service parcel betw Seven Mile Lane and Sacramento River (Sac. R. Nat'l Wildlife Refuge, Llano Seco Unit, between hiking trail and s end of Tract 2...); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS96095  Sambucus mexicana Vernon H. Oswald and Lowell Ahart 1996-6-10 7742 .1 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (bank of river at n end of Riparian Sanctuary); Sacramento River National Wildlife Refuge 28 Comment
  JEPS96112  Lactuca serriola Vernon H. Oswald and Lowell Ahart 1996-7-22 8081 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (on w side of levee at sw corner of Tract 6, Sanctuary 1); Sacramento River Wildlife Refuge, Llano Seco Unit 30 Comment
  JEPS97371  Lupinus angustiflorus Vernon H. Oswald 1995-8-2 7171 Butte T26N R5E ca. center NW1/4 Sec. 4, 6100 ft, High Cascade Range, Red Fir Forest. Scotts John Rd. (Forest Rd. 26N11) 2.2 mi N of Jonesville Rd. (Forest Rd. 26N27) 1859 Comment
  JEPS98322  Elatine ambigua Vernon H. Oswald 2000-10-4 9974 Butte Rice Experiment Station: field on S side of Hwy 162 between the railroad and Riceton Road 30 Comment
  JEPS99030  Eleocharis quadrangulata Vernon H. Oswald 1998-10-22 9676 Butte Pond on east side of Larkin Rd. just south of the boundary of the Oroville WA at the clay pits, ca. 1 mi south of the Oroville Municipal Airport. Along the receding north shore of the pond. 41 Comment
  JEPS99032  Eleocharis quadrangulata Vernon H. Oswald, Lowell Ahart, and Barbara Ertter 1998-10-22 9676 Butte 1 mi S of Oroville Municipal Airport (N shore of pond at clay pits on E side of Larkin Rd. just S of boundary of the Oroville WA) 41 Comment
  RSA500426  Utricularia minor Vernon H. Oswald, L. Ahart 1989-8-15 3934 Butte Soda Ridge Rd. 1.4 miles W of its jct with Coon Hollow Rd, 1.2 airmiles N of Philbrook Reservoir. 1753 Comment
  RSA500434  Schoenoplectus subterminalis Vernon H. Oswald, L. Ahart 1989-8-15 3939 Butte Soda Ridge Rd. 1.4 miles W of its jct with Coon Hollow Rd, 1.2 airmiles N of Philbrook Reservoir. 1753 Comment
  SEINET3913006  Rhynchospora capitellata Vernon Oswald, Lowell Ahart 1990-7-31 4424 Butte Yellow Pine Forest: Flea Valley bordering Concow Road, about 4 miles north of Concow.; 0 1128 Comment
  SEINET516142  Pyracantha coccinea Vernon H. Oswald 1998-11-4 9690 Butte Butte Meadows Campground. 1326 Comment
  SEINET516280  Lepechinia calycina Vernon H. Oswald 1998-6-24 9237 Butte W side of Hwy. 32 at Crown Pt. Rd. between Chico and Forest Ranch. 573 Comment
  SEINET519222  Osmorhiza depauperata V. H. Oswald 1998-7-8 9248 Butte Colby Mt. Lookout Rd. (26N57) 0.9 mi N of Humboldt Rd. at Jonesville. 1561 Comment
  UC1532341  Sanicula tuberosa Vernon Oswald 1986-6-29 1988 Butte Rim Rd (Ponderosa Way) 3 mi N of Jarbo Gap on Hwy 70 868 Comment
  UC1532345  Perideridia bacigalupii Vernon Oswald 1986-7-10 2186 Butte 1.8 mi. s. Forbestown Rd. (Robinson Mill Rd.) 640 Comment
  UC1532353  Rhynchospora californica Vernon Oswald 1985-7-10 1895 Butte ca. 0.2 mi. n.e. Salmon Hole (ca. 200 ft. s. of Upper Park Rd., Upper Bidwell Park, Chico); Chico, Upper Bidwell Park 182 Comment
  UC1532356  Lomatium dissectum var. multifidum Vernon Oswald 1985-5-20 2033 Butte between Chico and Forest Ranch (w. side of Hwy. 32 at Crown Point Rd.) 597 Comment
  UC1562304  Cornus sericea subsp. sericea Vernon Oswald and Lowell Ahart 1990-7-19 4365 Butte ca. 3 mi. e. Philbrook Reservoir (s. side Philborook Creek, ca. 0.3 mi. w. of Plumas Co. line); Philbrook Creek 2011 Comment
  UC1562305  Castilleja arachnoidea Vernon Oswald and Lowell Ahart 1990-7-19 4367 Butte ca 3 mi e Philbrook Reservoir (slope on the s side of Philbrook Creek, ca 0.4 mi w of the Plumas County line) 2011 Comment
  UC1562306  Stellaria calycantha Vernon Oswald and Lowell Ahart 1990-7-19 4369 Butte ca 3 mi e Philbrook Reservoir (slope on s side of Philbrook Creek, ca 0.6 mi w of Plumas County line) 1981 Comment
  UC1562309  Crepis pleurocarpa Vernon H. Oswald and Lowell Ahart 1990-7-19 4372 Butte South side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.7 mi west of Plumas Co. line 1950 Comment
  UC1562310  Mimulus tilingii Vernon Oswald and Lowell Ahart 1990-7-19 4376 Butte ca 3 mi e Philbrook Reservoir (ca 0.4 mi w of Plumas Co. line, s side of creek); Philbrook Creek 1920 Comment
  UC1562312  Cuscuta californica Vernon Oswald and Lowell Ahart 1990-7-19 4368 Butte ca 3 mi e Philbrook Reservoir (slope on the s side of Philbrook Creek, ca 0.5 mi w of the Plumas County line) 2026 Comment
  UC1562315  Lotus stipularis Vernon Oswald and Lowell Ahart 1990-6-27 4334 Butte 0.5 mi n Coyote Gap (Four Trees Rd) 1341 Comment
  UC1562317  Navarretia capillaris Vernon Oswald and Lowell Ahart 1990-6-27 4331 Butte 0.3 mi wnw Buckeye (site) (Oro-Quincy Hwy at the s edge of Walker Plains); s edge Walker Plains, nw of Buckeye (site) 1536 Comment
  UC1562318  Floerkea proserpinacoides Vernon Oswald 1990-6-26 4320 Butte 0.5 air mi sw of Humbug Summit (near the headwaters of the north branch of Willow Creek, 0.6 mi w of Humbug Road via the logging road just s of Cold Springs); Willow Creek 1969 Comment
  UC1562329  Allophyllum integrifolium Vernon Oswald and Lowell Ahart 1990-6-27 4328 Butte 0.3 mi. w.-n.w. Buckeye (site) (Oro-Quincy Hwy. at s. edge of Walker Plains) 1536 Comment
  UC1562345  Rudbeckia occidentalis Vernon Oswald and Lowell Ahart 1990-7-31 4421 Butte Meadow at the headwaters of Concow Creek, ca. 4 mi N of Concow. 1097 Comment
  UC1562346  Ambrosia artemisiifolia Vernon Oswald and Lowell Ahart 1990-7-31 4425 Butte on n side of Concow Reservoir ((Camelot Estates Subdivision)) 621 Comment
  UC1562347  Agrimonia gryposepala Vernon Oswald and Lowell Ahart 1990-7-31 4423 Butte ca 4 mi n Concow (meadow at headwaters of Concow Creek); Concow Creek 1097 Comment
  UC1562348  Grindelia hirsutula Vernon Oswald and Lowell Ahart 1990-7-31 4416 Butte Jeep trail between Concow Rd and Rim Rd ca 2 mi ne Concow 899 Comment
  UC1562349  Agrostis exarata Vernon Oswald and Lowell Ahart 1990-7-31 4417 Butte ca 2 mi ne Concow (Jeep Trail between Concow Rd and Rim Rd) 899 Comment
  UC1562353  Nemophila parviflora Vernon Oswald 1990-7-3 4345 Butte ca 0.75 mi s Humbug Summit (ca 4.75 mi e of Jonesville, headwaters of the East Branch Willow Creek); e branch Willow Creek, s of Humbug Summit, e of Jonesville 1950 Comment
  UC1562354  Osmorhiza brachypoda Vernon Oswald 1990-5-28 4258 Butte Feather Falls Trail ca 0.4 mi n trailhead (ca 2 mi n of town of Feather Falls) 701 Comment
  UC1562359  Rosa pisocarpa Vernon Oswald and Lowell Ahart 1990-7-5 4346 Butte camping area on creek along F-line Butte Creek (0.4 mi sw of Humboldt Rd, ca 1.5 mi wsw of Butte Meadows) 1316 Comment
  UC1562362  Sanguisorba annua Vernon Oswald and Lowell Ahart 1990-7-5 4347 Butte on n side of Humboldt Rd just w of Scout Rd. Butte Meadows (Butte Meadows) 1325 Comment
  UC1562364  Rhynchospora capitellata Vernon Oswald and Lowell Ahart 1990-7-31 4424 Butte ca 4 mi n Concow (bordering Concow Road, n side of meadow); Flea Valley 1127 Comment
  UC1562382  Cordylanthus tenuis subsp. viscidus Vernon Oswald and Lowell Ahart 1990-7-31 4415 Butte ca 2 mi ne Concow (Jeep Trail between Concow Rd and Rim Rd) 899 Comment
  UC1562388  Drymocallis glandulosa var. glandulosa Vernon Oswald and Lowell Ahart 1990-6-27 4332 Butte between Four Trees and Coyote Gap Rd 23N31 nw Four Trees Rd.; between Four Trees and Coyote Gap 1463 Comment
  UC1562390  Perideridia howellii Vernon Oswald and Lowell Ahart 1990-7-31 4420 Butte Meadow at the headwaters of Concow Creek, ca. 4 mi north of Concow, 1097 Comment
  UC1562402  Adiantum aleuticum Vernon Oswald and Lowell Ahart 1990-6-20 4308 Butte between Philbrook Reservoir and Carr Mine (ca 0.5 mi w of Butte-Plumas Co line, s side of Philbrook Creek) 1981 Comment
  UC1562403  Pellaea breweri Vernon Oswald and Lowell Ahart 1990-6-20 4310 Butte between Philbrook Reservoir and Carr Mine (ca. 0.5 mi w of Butte-Plumas county line, s side Philbrook Creek) 1962 Comment
  UC1562474  Anemone drummondii Vernon Oswald and Lowell Ahart 1990-6-20 4307 Butte between Philbrook Reservoir and Carr Mine (s. side of Philbrook Creek, ca. 0.5 mi. w. of Butte-Plumas co. line) 1993 Comment
  UC1562476  Mitella breweri Vernon Oswald and Lowell Ahart 1990-7-20 4302 Butte ca. 0.25 mi w Butte-Plumas county line (headwaters of creek, between Philbrook Reservoir and Carr Mine); Philbrook Creek 1889 Comment
  UC1562478  Juncus tenuis Vernon Oswald and Lowell Ahart 1990-5-26 4257 Butte s of Oroville (Pacific Heights Rd entrance, on the e side of the Feather River); Oroville Wildlife Area 32 Comment
  UC1562479  Carex vulpinoidea Vernon Oswald and Lowell Ahart 1990-5-26 4254 Butte s Oroville (Pacific Heights Rd. entrance, on the e side of the Feather River); Oroville Wildlife Area 32 Comment
  UC1562480  Ranunculus alismifolius var. alismifolius Vernon Oswald and Lowell Ahart 1990-5-29 4268 Butte e side of Humbug Rd ca 3.5 air mi ese Jonesville; Butte Creek House Meadow 1777 Comment
  UC1562481  Montia linearis Vernon H. Oswald and Lowell Ahart 1990-5-29 4270 Butte between the Skyway and Philbrook Road (Chaparral Guard Station on Humbug Road); Chaparral Guard Station 1536 Comment
  UC1562482  Lathyrus brownii Vernon Oswald and Lowell Ahart 1990-5-29 4264 Butte ca 1.5 mi wsw Butte Meadows (Logging Rd (F-Line) on the w side of Butte Creek, at the camping area ca 0.4 mi sw of Humboldt Rd); Butte Creek 1316 Comment
  UC1562488  Arenaria congesta var. congesta Vernon Oswald and Lowell Ahart 1990-6-20 4300 Butte High Lakes Rd, 0.2 mi n of its junction Philbrook Rd. (w of Philbrook Reservoir); Red Fir Forest 1706 Comment
  UC1563295  Gaultheria ovatifolia V. Oswald, L. Ahart, and L. Hanson 1990-8-14 4440 Butte 0.75 mi w of n end of Sly Creek Reservoir (French Creek on the n side of Forest Road 21N16); French Creek, Forest Road 21N16 1219 Comment
  UC1564727  Polygonum aviculare subsp. aviculare V. Oswald and L. Ahart 1989-7-21 3870 Butte junction of Willow Creek and Colby Creek (on n side of Humbold Rd ca 1 mi w of Jonesville, w side of Colby Creek) 1487 Comment
  UC1564728  Juncus bufonius var. occidentalis V. Oswald and L. Ahart 1989-7-