Search Results — 2000 specimen records retrieved (1813 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC102495  Populus fremontii Lowell Ahart 1980-3-13 2042 Butte 2 1/2 miles north and 3 miles east of Honcut Comment
  CAS-BOT-BC110138  Juncus leiospermus var. leiospermus Lowell Ahart 1979-4-30 1854 Butte 7 miles north of Oroville. On the top of Table Mountain. 400 Comment
  CAS-BOT-BC127540  Agrostis hendersonii Lowell Ahart 1985-5-22 5029 Butte Along the edge of Bean Creek Road, about 0.5 mile southeast of Little Bald ROck. 1066 Comment
  CAS-BOT-BC127679  Brickellia greenei Lowell Ahart 1983-8-16 4281 Butte Along the edge of Humboldt Road, about 3 miles SW of Butte Meadows. 1450 Comment
  CAS-BOT-BC12846  Lepidium pinnatifidum Lowell Ahart 1981-7-26 3013 Butte Gray Lodge, southwest of Gridley. 35 Comment
  CAS-BOT-BC129493  Salix melanopsis Lowell Ahart 1987-5-6 5539 Butte On a gravel bar, along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CAS-BOT-BC135129  Phoradendron juniperinum Lowell Ahart 1985-9-18 5169 Butte 2 miles W of Sly Creek Res. Tree was on lava soil on a lava cap, about 2 miles W of Sly Creek reservoir. E of the intersection of Golden Trout Crossing road on Reville Ridge 1000 Comment
  CAS-BOT-BC137939  Alopecurus saccatus Lowell Ahart 1982-5-30 3429 Butte Sierra Nevada. Peter Ahart Ranch, ca. 2.5 mile north and 1/8 mile east of Honcut. 50 Comment
  CAS-BOT-BC138410  Aira caryophyllea var. capillaris Lowell Ahart 1980-5-17 2289 Butte 0.5 mile southeast of Hurleton. 600 Comment
  CAS-BOT-BC138424  Aira caryophyllea Lowell Ahart 1980-4-13 2078 Butte Peter Ahart Ranch, Honcut. 50 Comment
  CAS-BOT-BC145536  Briza minor Lowell Ahart 1982-4-29 3391 Butte Sierra Nevada. A little west of the sign in station, Gray Lodge, ca. 12 miles southwest of Gridley. 36 Comment
  CAS-BOT-BC155462  Bromus hordeaceus Lowell Ahart 1987-5-6 5551 Butte At the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap. 283 Comment
  CAS-BOT-BC156607  Rubus bifrons Lowell Ahart 1987-6-9 5736 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 274 Comment
  CAS-BOT-BC163268  Clarkia mildrediae subsp. lutescens Lowell Ahart 1988-6-29 6102 Butte Along Bean Creek Road, about 3/4 mile south-east of Little Bald Rock 944 Comment
  CAS-BOT-BC163654  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 1989-5-10 6224 Butte At the end of the dirt road that leads to Lake Oroville, about 1/12 mile north-west of the West Branch Bridge across Lake Oroville 280 Comment
  CAS-BOT-BC17449  Athysanus pusillus Lowell Ahart 1973-3-7 s.n. Butte Honcut. Peter Ahart Ranch. 150 Comment
  CAS-BOT-BC181180  Paronychia ahartii Lowell Ahart 1974-5-5 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC184178  Vulpia microstachys var. pauciflora Lowell Ahart 1979-5-12 s.n. Butte Peter Ahart Ranch. Honcut 50 Comment
  CAS-BOT-BC190090  Crypsis schoenoides Lowell Ahart 1986-11-14 5481 Butte About 0.1 mile south of the clay burrow for Oroville Dam, about 0.25 mile east of Larkin Road, about 6 miles southwest of Oroville. 36 Comment
  CAS-BOT-BC190247  Cynodon dactylon Lowell Ahart 1979-6-2 s.n. Butte Peter Ahart Ranch, Honcut. 50 Comment
  CAS-BOT-BC192656  Deschampsia danthonioides Lowell Ahart 1982-4-29 3398 Butte Ca. 0.75 mi. W of the sign-in station, Gray Lodge, ca. 12 mi. Sw of Gridley 35 Comment
  CAS-BOT-BC195581  Catapodium rigidum Lowell Ahart 1976-7-4 s.n. Butte North Honcut Creek about 2 miles ne. of Honcut Comment
  CAS-BOT-BC197408  Thinopyrum intermedium subsp. intermedium Lowell Ahart 1988-7-24 6133 Butte Along the south side of Ponderosa Way, about 1/2 mile north-west of the intersection of Lower Forbestown Road, west of Sunset Hill, near Forbestown 731 Comment
  CAS-BOT-BC221629  Elymus arizonicus Lowell Ahart 1988-6-21 6052 Butte Along Poe Power House Road, about 1/2 mile north of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap 365 Comment
  CAS-BOT-BC224423  Cuscuta californica Lowell Ahart 1983-9-19 4455 Butte About 1/8 mile south of the Gray Lodge Waterfowl Management Area Headquarters, about 12 miles south-west of Gridley 35 Comment
  CAS-BOT-BC226521  Leptosiphon acicularis Lowell Ahart 1990-4-7 6432 Butte About 3 miles north and 1 1/2 miles east of Honcut, about 10 miles south of Oroville 45 Comment
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Jul 19 2018
  CAS-BOT-BC226523  Leptosiphon acicularis Lowell Ahart 1982-5-3 3404 Butte Peter Ahart Ranch, about 1 1/2 miles north and 2 1/4 miles east of Honcut 50 Comment
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Jul 19 2018
  CAS-BOT-BC232963  Polypogon australis Lowell Ahart 1981-9-15 3158 Butte 0.5 mile N of the Lost Creek Reservoir 1100 Comment
  CAS-BOT-BC233058  Polypogon interruptus Lowell Ahart 1977-6-2 s.n. Butte Peter Ahart Ranch, Honcut 50 Comment
  CAS-BOT-BC24432  Arctostaphylos manzanita Lowell Ahart 1975-4-3 s.n. Butte Near Honcut. 76 Comment
  CAS-BOT-BC249118  Castilleja affinis Lowell Ahart 1989-5-10 6222 Butte Near Lake Oroville, about 1/10 mile north-west of the West Branch Bridge across Lake Oroville 289 Comment
  CAS-BOT-BC255457  Castilleja applegatei var. pinetorum Lowell Ahart 1988-5-1 5978 Butte Along the North Fork of the Feather River a little north of the Poe Power House, about 2 miles south-east of Jarbo Gap 920 Comment
  CAS-BOT-BC260096  Nassella pulchra Lowell Ahart 1983-6-15 4055 Butte Peter Ahart Ranch, ca. 1.5 miles N and 3 miles E of Honcut 50 Comment
  CAS-BOT-BC262214  Eriogonum ursinum Lowell Ahart 1981-8-1 3017 Butte Near the top of Humboldt Peak 2157 Comment
  CAS-BOT-BC263356  Muhlenbergia asperifolia Lowell Ahart 1987-5-27 5708 Butte On a sand bar along the North Fork of teh Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap 271 Comment
  CAS-BOT-BC271247  Lamarckia aurea Lowell Ahart 1980-3-23 2050 Butte West Branch Bridge, Highway 70 Comment
  CAS-BOT-BC273949  Leptochloa fusca subsp. fascicularis Lowell Ahart 1974-11-9 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC278196  Vulpia myuros Lowell Ahart 1984-6-10 4705 Butte Along the road about 2 miles south-west of the Forbestown Diversion Dam, north-east of Forbestown 700 Comment
  CAS-BOT-BC28377  Carex gracilior Lowell Ahart 1977-6-16 1440 Butte Peter Ahart Ranch, Honcut. Along the banks of North Honcut Creek. 50 Comment
  CAS-BOT-BC295772  Erigeron petrophilus var. sierrensis Lowell Ahart 1981-7-7 2932 Butte Ca. 0.5 mi. W of the Forbestown Res., NE of Forbestown 750 Comment
  CAS-BOT-BC321781  Layia fremontii Lowell Ahart 1980-4-21 2104 Butte Honcut. Peter Ahart Ranch 50 Comment
  CAS-BOT-BC341783  Lessingia nemaclada Lowell Ahart 1983-6-30 4179 Butte About 1 1/2 miles north-east of Concow Res. 550 Comment
  CAS-BOT-BC342710  Madia elegans Lowell Ahart 1982-6-4 3543 Butte 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls 1000 Comment
  CAS-BOT-BC348701  Microseris acuminata Lowell Ahart 1985-4-21 4879 Butte Near Wyandotte Creek, south of Central House Road, north-west of Honcut, about 12 miles south of Oroville 35 Comment
  CAS-BOT-BC36174  Lithocarpus densiflorus var. densiflorus Lowell Ahart 1983-7-24 4203 Butte About 2 miles South-west of the Forbestwon Res., about 3 miles north-east of Forbestwon 550 Comment
  CAS-BOT-BC384466  Silene antirrhina Lowell Ahart 1985-5-31 5032 Butte About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville 274 Comment
  CAS-BOT-BC401856  Corydalis caseana subsp. caseana Lowell Ahart 1987-10-17 5916 Butte Along the East Fork of Last Chance Creek, about 1/2 mile north-west of Jones Meadow 1676 Comment
  CAS-BOT-BC414421  Polygonum douglasii Lowell Ahart 1986-8-15 5390 Butte East of the dirt road, along a branch of Last Chance Creek, about 1 mile west of Bald Mountain, about 4 1/2 miles north-east of Stirling City 1371 Comment
  CAS-BOT-BC418953  Persicaria lapathifolia Lowell Ahart 1974-11-9 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC419810  Polygonum parryi Lowell Ahart 1982-6-15 3571 Butte About 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls 1000 Comment
  CAS-BOT-BC427629  Crassula aquatica Lowell Ahart 1989-5-23 6271 Butte In Dutch Ravine, about 1/8 mile north of Swedes Flat Road, about 1 1/2 miles east of the Oroville Bangor Highway, north of Bangor 426 Comment
  CAS-BOT-BC429038  Micranthes nidifica Lowell Ahart 1988-3-28 5949 Butte About 1/10 mile south of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls 1280 Comment
  CAS-BOT-BC436855  Saxifraga Lowell Ahart 1975-4-2 s.n. Butte Peter Ahart Ranch, Honcut 45 Comment
  CAS-BOT-BC451600  Lilaea scilloides Lowell Ahart 1980-4-19 2091 Butte Peter Ahart Ranch, Honcut 50 Comment
  CAS-BOT-BC56388  Leucothoe davisiae Lowell Ahart 1986-8-15 5388 Butte about 1 mile south-west of Bald Mountain, about 4 miles north-east of Stirling City 1493 Comment
  CAS-BOT-BC61874  Isoetes nuttallii Lowell Ahart 1980-5-17 2271 Butte 1/2 mi. south-east of Hurleton 600 Comment
  CAS-BOT-BC67599  Pellaea mucronata Lowell Ahart 1983-3-28 3912 Butte Near the Forbestown Res., in a dry open area above the road and on the east side of Woodleaf Creek, 450 Comment
  CAS-BOT-BC69337  Pellaea brachyptera Lowell Ahart 1982-6-4 3539 Butte 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls 1000 Comment
  CAS-BOT-BC74459  Rorippa curvisiliqua Lowell Ahart 1982-8-22 3761 Butte Along the bottom of North Honcut Creek, a little southwest of the Peter Ahart Ranch. 50 Comment
  CAS-BOT-BC74801  Rorippa palustris var. palustris Lowell Ahart 1986-11-14 5458 Butte About 0.1 mile south of the clay burrow for Oroville Dam, 0.25 mile east of Larkin Road, about 6 miles SW of Oroville. 36 Comment
  CAS-BOT-BC7777  Carex laeviculmis Lowell Ahart 1984-7-19 4746 Butte about 1 1/2 miles south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City, CA 1500 Comment
  CAS-BOT-BC81333  Taxus brevifolia Lowell Ahart 1987-5-22 5682 Butte about 1/8 mile north-east of Camp 18, about 6 1/2 miles north-east of Feather Falls 1219 Comment
  CAS-BOT-BC87387  Streptanthus longisiliquus Lowell Ahart 1983-8-16 4283 Butte Sierra Nevada. Along edge of Humboldt Road, about 3 miles southwest of butte Meadows. 1450 Comment
  CAS-BOT-BC87437  Streptanthus polygaloides Lowell Ahart 1983-6-30 4178 Butte About 1.5 mile northeast of Concow Res. 550 Comment
  CAS-BOT-BC90921  Calycanthus occidentalis Lowell Ahart 1966-5-17 s.n. Butte Honey Run Road, near Chico. 152 Comment
  CAS-BOT-BC98006  Baccharis pilularis Lowell Ahart 1975-1-25 s.n. Butte Near Princeton Ferry 30 Comment
  CAS-BOT-BC99038  Symphyotrichum cusickii Lowell Ahart 1987-7-3 5784 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of 271 Comment
  CDA10506  Bidens frondosa L. Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. Comment
  CDA21649  Cirsium douglasii var. breweri L. Ahart 2006-8-15 13188 Butte 15 yards west of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. Comment
  CDA21949  Quercus lobata L. Ahart 2005-4-14 11710 Butte East of the railroad tracks, north of Spruce Street, Gridley. Comment
  CDA2225  Leptochloa dubia L. Ahart 2000-11-4 8714 Butte W side of Hwy 70, about 100 yd N of Rich Gulch Road, 1 mi N of the West Branch Bridge across Lake Oroville, and 5 air mi SE of Paradise Comment
  CDA2268  Panicum dichotomiflorum L. Ahart 2006-9-11 13308 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. Comment
  CDA2510  Sporobolus indicus L. Ahart 2005-10-22 12462 Butte Daley Ranch, about 1 mile northeast of Honcut, about 13 miles south of Oroville. Comment
  CDA25942  Horkelia californica subsp. dissita L. Ahart 1998-6-3 8012 Butte Southwest of the lone oak tree, west of the cow chute on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  CDA28130  Agrostis exarata L. Ahart 1998-6-3 8016 Butte West side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Southeast margins of a large seep, southwest of the lone oak tree, west of the cow chute. Comment
  CDA31606  Bromus suksdorfii L. Ahart 2004-8-2 11333 Butte On both sides of the dirt County road, between Sky High Mine and Dresser Camp about 2 mile (air) southeast of the Philbrook Reservoir Dam, about 7 miles (air) southeast of Butte Meadows. Comment
  CDA31946  Brassica napus L. Ahart 2009-4-26 15607 Butte On the east side of Highway 99, south of the wash, about 1/2 mile south of the stop light at the intersection, about one mile south of Butte Creek, about 3 miles south of Chico. Comment
  CDA31955  Hypochaeris glabra L. Ahart 2009-5-8 15654 Butte On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico. Comment
  CDA31956  Sisymbrium officinale L. Ahart 2009-5-8 15656 Butte On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico. Comment
  CDA31993  Gastridium ventricosum L. Ahart 2008-5-12 14780 Butte Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  CDA31998  Trifolium glomeratum L. Ahart 2008-5-3 15777 Butte On the north side of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. Comment
  CDA32010  Medicago lupulina L. Ahart 2009-6-3 15834 Butte On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico Comment
  CDA3449  Spergula arvensis subsp. arvensis L. Ahart 2003-6-23 10307 Butte Peter Ahart Ranch, about 1/2 mile east of the Palermo Honcut Highway, about 2 miles north of Honcut, about 12 miles south of Oroville. Comment
  CDA34553  Gnaphalium canescens subsp. beneolens L. Ahart 2008-11-4 15398 Butte Below the high water line of Lake Oroville, about one mile southeast of the large parking area on the north end of Oroville Dam, about 5 miles (air) northeast of Oroville. Comment
  CDA34558  Cotoneaster pannosus L. Ahart, John Dittes, Josephine Guardino 2008-11-8 15420 Butte On the south side of Cedar Grove, Lower Bidwell Park, Chico. Comment
  CDA34619  Phytolacca americana L. Ahart, John Dittes, Josephine Guardino 2008-11-8 15435 Butte On the south side of the gravel road and Big Chico Creek, about 30 yards east of the end of Chico Canyon Road, Upper Bidwell Park, Chico. Comment
  CDA34641  Paspalum dilatatum L. Ahart 2009-6-3 15969 Butte On the east side of Ten Mile House Road, about 30 yards east of Big Chico Creek, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. Comment
  CDA34644  Mentha canadensis L. Ahart 2009-7-9 16009 Butte Along streams, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. Comment
  CDA34700  Lathyrus angulatus L. Ahart 2010-5-5 16607 Butte Parking area east of McCabe Creek, a few feet below the high water line of Lake Oroville, about 11 miles (air) northeast of Oroville. Comment
  CDA34703  Plagiobothrys stipitatus var. micranthus L. Ahart 2010-5-14 16653 Butte On the west side of the old Humboldt Road, Disc Golf Area, about 150 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico Comment
  CDA34708  Plantago coronopus L. Ahart 2010-5-22 16713 Butte About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville. Comment
  CDA34758  Navarretia filicaulis L. Ahart 2009-6-3 15967 Butte Along the Guardian Rock Trail, about 1/4 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico. Comment
  CDA38764  Thalictrum fendleri var. polycarpum L. Ahart 2012-4-3 17946 Butte On the south side of the path, near the sign, southwest of intersection of Vallombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico. Comment
  CDA38795  Blennosperma nanum var. nanum L. Ahart 2012-5-4 17988 Butte About 1/4 mile southwest of the lone pine tree on the rim of Beatson Hollow, about 1 1/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  CDA38796  Melilotus albus L. Ahart 2012-6-28 18243 Butte On the north side of Big Chico Creek, east of Sycamore Pool, Lower Bidwell Park, Chico. Comment
  CDA38811  Chamaesyce maculata L. Ahart 2011-10-29 17721 Butte On the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs. Comment
  CDA38822  Trifolium bifidum var. bifidum L. Ahart 2012-4-3 17924 Butte North of the meadow, southwest of Ten Mile House Road, about 1/4 mile west of Highway 32, about 9 miles (air) northeast of Chico, south part of Upper Bidwell Park. Comment
  CDA40109  Navarretia tagetina L. Ahart 2005-5-28 11816 Butte South edge of Cox Lane, about 2 miles east of Palermo Honcut Highway, about 10 miles (air) southeast of Oroville. Comment
  CDA42842  Sonchus oleraceus L. Ahart 2011-6-5 17368 Butte In pots or garden, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. Comment
  CDA42852  Stellaria pallida L. Ahart 2012-4-3 17943 Butte On large rocks, on the north side of Bloody Pin Trail, west of Guardian Trail, about 1/2 mile west of Highway 32, about 7 1/2 miles northeast of Chico, south part of Upper Bidwell Park. Comment
  CDA42965  Eriochloa acuminata var. acuminata L. Ahart 2013-10-12 19108 Butte On the east side of Palermo Honcut Highway, about 20 yards south of Palermo Road, Palermo. Comment
  CDA5391  Torilis arvensis subsp. purpurea L. Ahart 1998-7-1 8018 Butte Southwest of the lone oak tree, west of the cow chute on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  CDA5729  Plagiobothrys stipitatus var. micranthus L. Ahart 2005-5-11 11807 Butte About 1 mile south of Beatson Hollow, about 1 1/2 miles southwest of the poor dirt road off of Cherokee Road, south part of North Table Mountain, about 7 miles (air) north of Oroville. Comment
  CDA7727  Spergula arvensis subsp. arvensis L. Ahart 2006-4-23 12533 Butte On the west side of Cherokee Road, about 200 yards south of the cattle chute and parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  CHSC100964  Poa annua Lowell Ahart; Josephine Guardino, Steve Green 2009-2-20 15491 Butte Near the north side of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC100967  Veronica persica Lowell Ahart; Josephine Guardino, Steve Green 2009-2-20 15493 Butte Near the north side of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC101093  Stellaria media Lowell Ahart; John Dittes 2009-3-20 15507 Butte Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico. 407 Comment
  CHSC101126  Hordeum murinum subsp. leporinum Lowell Ahart 2009-5-8 15671 Butte On the south side of the grave road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico. 67 Comment
  CHSC101133  Galium parisiense Lowell Ahart 2009-5-15 15679 Butte About 20 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 235 Comment
  CHSC101164  Collomia tinctoria Lowell Ahart 2009-5-15 15716 Butte On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 234 Comment
  CHSC101167  Calochortus superbus Lowell Ahart 2009-5-15 15680 Butte About 20 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 235 Comment
  CHSC101273  Hordeum murinum subsp. leporinum Lowell Ahart 2009-4-3 15536 Butte Along the south side of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico. 67 Comment
  CHSC101334  Plantago erecta Lowell Ahart 2009-4-22 15584 Butte West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 381 Comment
  CHSC101337  Pellaea mucronata var. mucronata Lowell Ahart 2009-4-22 15601 Butte West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 381 Comment
  CHSC101683  Trifolium oliganthum Lowell Ahart; Josephine Guardino 2009-5-8 15651 Butte About 10 feet south of the south side of the gravel road and Big Chico Creek, about 100 yards east of the end of the Chico Canyon Road, Upper Bidwell Park, Chico. 68 Comment
  CHSC101749  Spartium junceum Lowell Ahart 2009-5-23 15743 Butte On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highwat 32, about 10 miles northeast of Chico. 234 Comment
  CHSC101834  Lonicera interrupta Lowell Ahart 2009-5-23 15756 Butte Upper Bidwell Park, about 10 miles northeast of Chico, about 1/4 mile west of the interection of Highway 32 and Ten Mile House Road, on west side of Ten Mile House Road, north of Guardians Trail. 381 Comment
  CHSC101837  Galium porrigens var. tenue Lowell Ahart 2009-5-23 15753 Butte Upper Bidwell Park, about 10 miles northeast of Chico, about 100 yards west of the interection of Highway 32 and Ten Mile House Road, on north side of Ten Mile House Road. 461 Comment
  CHSC102173  Bromus laevipes Lowell Ahart 2009-5-30 15804 Butte On dry rocky soil, on the north side of Ten Mile House Road, just southeast of Guardians Trail, Upper Bidwell Park, about 1/4 mile west of the intersection of Highway32 and Ten Mile House Road, about 10 miles northeast of Chico. 425 Comment
  CHSC102399  Mollugo verticillata Lowell Ahart 2009-8-13 16274 Butte In the channel, about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico. 68 Comment
  CHSC102403  Mimulus moschatus Lowell Ahart 2009-6-30 15978 Butte About 55 yards southeast of the gate, about 45 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 269 Comment
  CHSC102413  Ficus carica Lowell Ahart 2009-6-30 15976 Butte On dry soil, along a small flowing stream, about 20 yards south of the fence, about 150 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 242 Comment
  CHSC102501  Sonchus oleraceus Lowell Ahart 2009-5-30 15791 Butte By a small rock about 50 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 269 Comment
  CHSC102511  Chamaesyce maculata Lowell Ahart 2009-8-13 16272 Butte In the channel, about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico. 68 Comment
  CHSC102618  Cephalanthus occidentalis var. californicus Lowell Ahart 2009-7-9 16019 Butte On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 203 Comment
  CHSC102625  Symphyotrichum bracteolatum Lowell Ahart 2009-7-9 16026 Butte On the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 236 Comment
  CHSC102716  Asclepias fascicularis Lowell Ahart 2009-8-8 16268 Butte Rice field, Peter Ahart Ranch, about 2 1/2 miles north and 3/4 mile east of Honcut, about 12 miles (air) south of Oroville. 31 Comment
  CHSC102851  Pinus sabiniana Lowell Ahart 2009-8-23 16300 Butte About 150 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 259 Comment
  CHSC102959  Helianthus bolanderi Lowell Ahart 2009-8-3 16265 Butte Near drainage below dam, about 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 239 Comment
  CHSC102961  Rumex stenophyllus Lowell Ahart 2009-7-4 15996 Butte On the sides of the road, near parking lot 18, Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley. 19 Comment
  CHSC102984  Galium bolanderi Lowell Ahart 2009-6-3 15813 Butte On the west side of the trail, about 150 yards southwest of the table at the old homestead and Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 273 Comment
  CHSC102987  Ludwigia palustris Lowell Ahart 2009-8-13 16275 Butte In the channel about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico. 68 Comment
  CHSC102991  Glycyrrhiza lepidota Lowell Ahart 2009-5-30 15801 Butte South of a small stream, meadow, about 30 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. 209 Comment
  CHSC103027  Umbellularia californica Lowell Ahart 2009-8-20 16286 Butte Below rim edge, west edge of the open area west of the Guardian Rock Trail, about 100 yards north of Pine Trail, about 3/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico. 398 Comment
  CHSC103662  Draba verna var. verna Lowell Ahart 2010-2-13 16565 Butte Parking area, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 33 Comment
  CHSC103675  Plagiobothrys shastensis Lowell Ahart 2010-4-30 16601 Butte Open are along a ridge, on the north side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 353 Comment
  CHSC103680  Trifolium oliganthum Lowell Ahart 2010-4-30 16591 Butte Along a trail, below rim, north side of disk golf area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 360 Comment
  CHSC103692  Plagiobothrys shastensis Lowell Ahart 2010-5-7 16619 Butte On rock outcrop, on the north side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 353 Comment
  CHSC103709  Juncus leiospermus var. leiospermus Lowell Ahart 2010-5-16 16685 Butte About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville. 371 Comment
  CHSC103726  Lupinus nanus var. vallicola Lowell Ahart 2010-5-16 16679 Butte About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville. 378 Comment
  CHSC103733  Phacelia cicutaria var. cicutaria Lowell Ahart 2010-5-16 16698 Butte About 1/2 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville. 608 Comment
  CHSC103950  Piperia elongata Lowell Ahart 2010-5-14 16673 Butte On the south side of Guardian Trail, about 1/4 mile west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 301 Comment
  CHSC103956  Hypochaeris glabra Lowell Ahart 2010-5-23 16733 Butte On the west side of Pine trail, about 40 yards west of Highway 32, about 9 miles (air) northeast of Chico. 478 Comment
  CHSC103995  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 2010-5-14 16669 Butte Near south park fence, about 1/4 mile west of the entrance to the Disc Golf Area, west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico. 363 Comment
  CHSC104001  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2010-6-20 16819 Butte Bottom of Wyandotte Creek, under the government pole line, about 1 mile east of Palermo Honcut Highway, Guidci Ranch, about 7 miles (air) southeast of Oroville. 47 Comment
  CHSC104008  Fraxinus caroliniana Lowell Ahart; Wes Dempsey, J. Guardino, S. Mason, S. Green 2010-5-28 16742 Butte On the south side of the path, about 30 yards south of the Cedar Grove Parking Area in lower Bidwell Park, Chico. 67 Comment
  CHSC104011  Olea europaea Lowell Ahart 2010-6-1 16750 Butte On the north side of the Guardians Trail, about 100 yards east of the end of Centennial Avenue, Upper Bidwell Park, about 1/2 mile east of Chico Canyon Road. 125 Comment
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Mar 18 2012
  CHSC104801  Lathyrus latifolius Lowell Ahart 2010-6-12 16791 Butte On the north side of Ten Mile House Road, about 1/2 mile (air) from Highway 32, about 9 miles (air) northeast of Chico. 332 Comment
  CHSC104808  Osmorhiza chilensis Lowell Ahart 2010-5-23 16731 Butte On both sides of Pine Trail, about 50 yards east of Guardians Trail, about 1/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico. 455 Comment
  CHSC104818  Quercus lobata Lowell Ahart 2010-6-12 16803 A Butte North side of the pond and table, at the old homestead, about 100 yards south of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico. 249 Comment
  CHSC104825  Delphinium hansenii subsp. hansenii Lowell Ahart 2010-6-1 16760 Butte On the north side of the Guardians Trail, about one mile east of the power lines, Upper Bidwell Park, about 3 miles (air) east of Chico. 188 Comment
  CHSC104854  Verbascum blattaria Lowell Ahart 2010-6-25 16840 Butte East edge of the wet area west of the lone oak tree, about 80 yards west of the improved parking area, cattle chute and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 406 Comment
  CHSC104857  Polystichum californicum Lowell Ahart 2010-6-12 16801 Butte On the east side of Big Chico Creek, about 40 yards west of Ten Mile House Road, ab out 3/4 mile (air) west of Highway 32, about 9 miles (air) northeat of Chico. 197 Comment
  CHSC105507  Danthonia californica var. americana Lowell Ahart 2010-9-21 17230 Butte On damp bare disturbed soil, bottom and sides of a small wash, on the north side of a poor dirt road, about 1 mile (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir. 1899 Comment
  CHSC105669  Carex luzulina var. ablata Lowell Ahart 2010-9-21 17219 Butte Under red fir trees, open meadow-like area, near a poor camp, 30 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir. 1917 Comment
  CHSC105811  Erythranthe breweri Lowell Ahart 2010-9-21 17207 Butte About 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir. 1917 Comment
  CHSC105818  Veronica serpyllifolia subsp. humifusa Lowell Ahart 2010-9-28 17268 Butte Along the east side of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1-1/2 miles (air) northeast of Jones Meadow, about 2-1/2 miles (air) southeast of Philbrook Reservoir. 1886 Comment
  CHSC105981  Carex Lowell Ahart 2010-9-21 17204 Butte Open meadow like area in red fir forest, about 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir. 1917 Comment
  CHSC10638  Sanicula bipinnatifida Lowell Ahart 1965-4-11 Butte Ahart Ranch, Honcut. 60 Comment
  CHSC10656  Eschscholzia lobbii Lowell Ahart 1969-3-27 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC10688  Sisymbrium officinale Lowell Ahart 1962-4-26 Butte Ahart Ranch, Honcut. 45 Comment
  CHSC107232  Amaranthus deflexus Lowell Ahart 2011-6-3 17362 Butte Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico. 60 Comment
  CHSC10826  Erythronium multiscapideum Lowell Ahart 1970-3-18 Butte Swede's Flat Road, near Bangor. 121 Comment
  CHSC10829  Phalaris paradoxa Lowell Ahart 1968-5-8 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC10830  Hypericum concinnum Lowell Ahart 1968-5-8 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC108834  Acmispon brachycarpus Lowell Ahart 2012-4-17 17878 Butte Bare areas where cobbles were removed for Oroville Dam, about 200 yards southeast of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville. 35 Comment
  CHSC108837  Salix exigua var. hindsiana Lowell Ahart 2012-4-17 17884 Butte Bare areas where cobbles were removed for Oroville Dam, about 200 yards southeast of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville. 35 Comment
  CHSC108863  Capsella bursa-pastoris Lowell Ahart 2012-3-2 17766 Butte On the sides of the Bloody Pin Trail, about 100 yards west of Guardian Trail, about 1/2 mile west of Highway 32, about 7 1/2 miles northeast of Chico. 304 Comment
  CHSC109058  Arum Lowell Ahart; Linnea Hanson, Kaline Le Coq, Josephine Guardino 2012-4-27 17904 Butte On the north side of Big Chico Creek, south of the path, near the sign, southwest of the intersection of Vallombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico. 80 Comment
  CHSC109074  Salix lasiandra var. lasiandra Lowell Ahart; Linnea Hanson, Kaline Le Coq, Josephine Guardino 2012-4-27 18913 Butte On the north side of the path, near Table 14, on the north side of Centennial Avenue, Lower Bidwell Park, Chico. 80 Comment
  CHSC109077  Amsinckia lycopsoides Lowell Ahart 2012-4-20 17889 Butte South of the trail, about 50 yards east of Big Chico Creek, about 100 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles northeast of Chico, south part of Upper Bidwell Park. 202 Comment
  CHSC109099  Plectritis ciliosa Lowell Ahart 2012-3-23 17791 Butte On and around a large rock outcrop, about 200 yards east of Big Chico Creek, about 200 yards west of Ten MIle House Road, below and north of the old homestead, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico. 215 Comment
  CHSC109103  Umbellularia californica Lowell Ahart 2012-3-23 17796 Butte On the north side of Ten Mile House Road, about 1/2 mile west of Highway 32, about 9 miles (air) northeast of Chico. 387 Comment
  CHSC109113  Arctostaphylos mewukka subsp. mewukka Lowell Ahart 2012-1-12 17735 Butte Peter Ahart Ranch, about 1-1/2 miles north and 2-3/4 miles east of Honcut, about 12 miles southeast of Oroville. 45 Comment
  CHSC109589  Festuca arundinacea Lowell Ahart; Susan Bazell, Josephine Guardino 2012-5-31 18117 Butte On the north side of the paved park road (Peterson Drive) about 300 yards west of the gate, Lower Bidwell Park, Chico. 76 Comment
  CHSC109601  Quercus coccinea Lowell Ahart; Susan Bazell, Josephine Guardino 2012-5-31 18120 Butte On the north side of the paved park road (Peterson Drive) about 600 yards west of the gate, northeast of the parking area, Lower Bidwell Park Chico. 76 Comment
  CHSC109611  Vicia sativa subsp. nigra Lowell Ahart 2012-5-17 18080 Butte North of Big Chico Creek, on both sides of the horse trail, east of Table 20, southwest of the southwest corner of the old walnut orchard, about 3/5 mile west of Peterson Drive, Lower Bidwell Park, Chico. 74 Comment
  CHSC109618  Elymus glaucus subsp. glaucus Lowell Ahart; Susan Bazell, Josephine Guardino 2012-5-31 18122 Butte 40 yards north of the paved park road (Peterson Drive) about 700 yards west of the gate, northwest of the parking area, Lower Bidwell Park, Chico 76 Comment
  CHSC109625  Festuca myuros Lowell Ahart 2012-6-17 18081 Butte On the north side of Big Chico Creek, southeast of Table 21, south of the paved park road, northeast of the Deer Pen, Lower Bidwell Park, Chico. 73 Comment
  CHSC109654  Castilleja exserta subsp. exserta Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 18015 Butte Weedy field on the north side of the path, north of Big Chico Creek, on the south side of the paved park road, south of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. 76 Comment
  CHSC109657  Hedypnois cretica Lowell Ahart 2012-5-12 18032 Butte On the sides of South Rim Trail, about 1/2 mile southwest of the old homestead, about 5/8 mile west of Highway 32, south part of Upper Bidwell Park, about 8-1/2 miles (air) northeast of Chico. 237 Comment
  CHSC109671  Celtis occidentalis Lowell Ahart; Susan Bazell, Josephine Guardino, Wes Dempsey 2012-7-5 18271 Butte Path in Cedar Grove, west of the parking area, Lower Bidwell Park, Chlico. 71 Comment
  CHSC109752  Cyperus difformis Lowell Ahart 2012-10-20 18504 Butte Soil and gravel bar on the south side of Big Chico Creek, about 100 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico. 68 Comment
  CHSC109770  Solanum americanum Lowell Ahart 2012-10-20 18514 Butte South of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico. 68 Comment
  CHSC109776  Amaranthus deflexus Lowell Ahart 2012-10-20 18516 Butte On the south side of the paved park road, about 30 yards east of Table 33, west of Cedar Grove, Lower Bidwell Park, Chico. 68 Comment
  CHSC11048  Veronica persica Lowell Ahart 1968-2-22 Butte Peter Ahart Ranch. 45 Comment
  CHSC11063  Baccharis salicifolia Lowell Ahart 1968-5-8 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC11107  Chamaesyce glyptosperma Lowell Ahart 1969-9-9 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC111119  Diospyros virginiana Lowell Ahart 2012-5-14 18048 Butte On the south bank of Big Chico Creek, north side of the paved road and Deer Pen, southeast of Table 9, Lower Bidwell Park, Chico. 71 Comment
  CHSC111120  Galium parisiense Lowell Ahart 2012-5-20 18096 Butte Southeast part of Upper Bidwell Park, northeast of Chico. Comment
  CHSC111126  Rosa multiflora Lowell Ahart 2012-5-17 18075 Butte On the sides of a horse trail, about 20 yards north of Big Chico Creek, southwest of the southwest corner of the old walnut orchard, about 3/5 mile west of Peterson Drive, Lower Bidwell Park, Chico. 76 Comment
  CHSC111133  Melissa officinalis Lowell Ahart 2012-6-14 18195 Butte Dry high bank on the north side of Big Chico Creek, west of the foot bridge across Big Chico Creek, about 100 yards east of Mangrove Avenue, Annie's Glen, Lower Bidwell Park, Chico. 62 Comment
  CHSC111337  Ranunculus arvensis Lowell Ahart 2012-5-2 17961 Butte Near a small drainage, about 30 yards northeast of the Easter Cross Parking Lot, Uppe Bidwell Park, about 1 mile east of Chico. 91 Comment
  CHSC111363  Limnanthes alba subsp. versicolor Lowell Ahart 2012-5-4 17986 Butte About 200 feet south of stream in Beatson Hollow, about 1 1/4 mile NW of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  CHSC111393  Trifolium hirtum Lowell Ahart 2012-5-2 17975 Butte On damp soil, 20 yards south of the fence, west of the Government Pole Line, Upper Bidwell Park, about 3/4 mile east of Chico. 85 Comment
  CHSC111730  Quercus coccinea Lowell Ahart; Susan Bazell, Josephine Guardino, Wes Dempsey 2012-6-21 18224 Butte North side of paved parak road, north of South Park Drive, east of Caper Acres Playground, about 150 yards west of the Freeway, Lower Bidwell Park, Chico. 62 Comment
  CHSC111953  Cyperus squarrosus Lowell Ahart 2012-6-5 18161 Butte On the sides of the small stream, on the bottom of Beatson Hollow, about 1 1/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville. 273 Comment
  CHSC112099  Eschscholzia californica Lowell Ahart 2012-6-21 18220 Butte On the south side of Big Chico Creek, about 5 yards east of the Freewy, Lower Bidwell Park, Chico. 62 Comment
  CHSC112103  Carduus pycnocephalus subsp. pycnocephalus Lowell Ahart 2012-6-5 18172 Butte Along the poor dirt road, on the south side of Beatson Hollow, about 3/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville. 295 Comment
  CHSC112439  Danthonia californica Lowell Ahart 2013-6-11 18801 Butte About 30 yards west of a wet meadow, about 40 yards north of Forbestown Road, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC112440  Isoetes howellii Lowell Ahart 2013-5-22 18703 Butte About 1/2 mile southeast of the Honcut Cemetery, about 3 1/4 miles (air) northeast of Honcut. 54 Comment
  CHSC112446  Toxicoscordion venenosum var. venenosum Lowell Ahart; Susan Kephart, Jim Kephart 2013-6-1 18721 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC112618  Holocarpha virgata subsp. virgata Lowell Ahart 2013-9-5 19022 Butte On the west side of La Porte Road, about 1/4 mile southwest of Dunstone Drive, about 2 1/3 miles (air) northeast of Honcut. 40 Comment
  CHSC112678  Paspalum urvillei Lowell Ahart 2013-7-1 18822 Butte Seep along road gutter, on the east side of Black Bart Road, about 3/4 mile (by road) southwest from the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown. 731 Comment
  CHSC112689  Agrimonia gryposepala Lowell Ahart 2013-7-1 18815 Butte Meadow, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 737 Comment
  CHSC112706  Gnaphalium palustre Lowell Ahart 2013-10-26 19207 Butte On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir. 1681 Comment
  CHSC112710  Muhlenbergia filiformis Lowell Ahart 2013-10-26 19223 Butte On the bottom and sides of a small dry drainage on the bottom of Snag Lake, Snag Lake is completely dried up, about 4 miles (air) north of Philbrook Reservoir. 1708 Comment
  CHSC112716  Gayophytum humile Lowell Ahart 2013-10-26 19214 Butte On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir. 1681 Comment
  CHSC112729  Myriophyllum spicatum Lowell Ahart 2013-10-16 19113 Butte Thermalito Afterbay, about 20 feet north of the base of the large rock levee, about 100 yards north of Larkin Road, about 4 miles (air) north of East Biggs. 49 Comment
  CHSC112743  Solanum americanum Lowell Ahart 2013-11-13 19248 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 244 Comment
  CHSC112785  Carex Lowell Ahart 2013-5-27 18710 Butte On both sides of the meadow, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown. 763 Comment
  CHSC113096  Acmispon americanus var. americanus Lowell Ahart 2013-11-18 19282 Butte Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton. 261 Comment
  CHSC113149  Dysphania pumilio Lowell Ahart 2013-11-13 19233 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 244 Comment
  CHSC113206  Medicago polymorpha Lowell Ahart 2014-4-25 19406 Butte Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale South Road and Richvale South Highway, Richvale. 30 Comment
  CHSC113210  Polygonum aviculare subsp. depressum Lowell Ahart 2014-4-25 19407 Butte Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale South Road and Richvale South Highway, Richvale. 30 Comment
  CHSC113216  Elatine Lowell Ahart 2014-4-26 19411 A Butte Sides of a cleaned ditch, on the south side of Butte City Highway (Highway 162), collected from the railroad to the east about 200 yards, east of the Rice Experimental Station. 30 Comment
  CHSC113229  Festuca bromoides Lowell Ahart 2014-4-25 19408 Butte Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale South Road and Richvale South Highway, Richvale. 30 Comment
  CHSC113243  Cerastium glomeratum Lowell Ahart 2014-4-26 19416 Butte Sides of a cleaned ditch, on the south side of Butte City Highway (Highway 162), collected from the railroad to the east about 200 yards, east of the Rice Experimental Station. 30 Comment
  CHSC113276  Festuca myuros var. hirsuta Lowell Ahart 2014-4-25 19404 Butte Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale South Road and Richvale South Highway, Richvale. 30 Comment
  CHSC113285  Erythranthe guttata Lowell Ahart 2014-5-13 19465 Butte Below the high water line of Lake Oroville, about 200 yards southwest of the poor parking area, on the east side of McCabe Creek, about 11 miles (air) east of Oroville. 244 Comment
  CHSC113324  Potentilla rivalis Lowell Ahart 2014-5-21 19527 Butte South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam. 249 Comment
  CHSC113382  Scirpus congdonii Lowell Ahart 2014-7-2 19542 Butte On the north side of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls. 1260 Comment
  CHSC113390  Cephalanthera austiniae Lowell Ahart 2014-7-2 19539 Butte North edge of a small meadow, on the south side of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls. 1260 Comment
  CHSC113396  Brodiaea minor Lowell Ahart 2014-7-2 19552 Butte About 80 yards southwest of cow corral, about 120 yards north of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls. 1277 Comment
  CHSC113423  Trifolium breweri Lowell Ahart 2014-7-7 19572 Butte South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir. 1597 Comment
  CHSC113430  Trifolium variegatum var. geminiflorum Lowell Ahart 2014-7-7 19570 Butte South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir. 1597 Comment
  CHSC113436  Galium bolanderi Lowell Ahart 2014-7-7 19569 Butte Along the east side of the Skyway, about one-mile south of Inskip. 1449 Comment
  CHSC113449  Acmispon americanus var. americanus Lowell Ahart 2014-7-10 19625 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1664 Comment
  CHSC113505  Spiraea douglasii Lowell Ahart 2014-7-16 19686 Butte Southwest part of a large wet meadow (some bog), about 120 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1638 Comment
  CHSC113515  Gayophytum racemosum Lowell Ahart 2014-7-7 19602 Butte On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1664 Comment
  CHSC113521  Cryptantha affinis Lowell Ahart 2014-7-7 19601 Butte On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1664 Comment
  CHSC113965  Poa bolanderi Lowell Ahart 2014-7-10 19628 Butte Meadow like area, about 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. 1664 Comment
  CHSC113972  Sagittaria montevidensis subsp. calycina Lowell Ahart 2014-10-14 19883 Butte Open area in a rice field, Peter Ahart Ranch, about 2-1/4 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville. 29 Comment
  CHSC114979  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-4-13 20036 Butte On the southwest side of Rim Road, about 3 miles (air) north of Jarbo Gap, about 17-1/2 miles (air) north of Oroville. 907 Comment
  CHSC114981  Castilleja attenuata Lowell Ahart 2015-4-18 20043 Butte On the east side of Swedes Flat Road, about 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville. 384 Comment
  CHSC114988  Callitriche marginata Lowell Ahart 2015-4-28 20062 -A Butte 50 yards southeast of Parking Lot 1, about 1 1/4 miles north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley. 19 Comment
  CHSC115001  Plagiobothrys Lowell Ahart 2015-3-2 19943 Butte Along a small path, low area, 60 feet north of the fence, north of the parking area, north of Larkin Road, about 6 miles (air) southwest of Oroville. 44 Comment
  CHSC115153  Amaranthus albus Lowell Ahart 2015-6-6 20202 Butte About 20 yards north of the dirt road, about 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville. 304 Comment
  CHSC115268  Zeltnera venusta Lowell Ahart 2015-6-7 20200 Butte In open pasture field, about 50 yards southeast of the old large parking area on North Table Mountain, about 7 miles (air) north of Oroville. Basalt Grassland. 378 Comment
  CHSC115298  Hesperocyparis macnabiana Lowell Ahart 2015-4-30 20117 Butte On dry bare serpentine soil, about 1/4 mile south of Forbestown Reservoir Road, about 2 1/2 miles (air) northeast of Forbestown. Chaparral. 890 Comment
  CHSC115325  Lepidium campestre Lowell Ahart 2015-4-13 20039 Butte Below the high water line of Lake Oroville, Vinton Gulch, about 10 miles (air) north of Oroville. 307 Comment
  CHSC115354  Veronica hederifolia Lowell Ahart 2015-2-17 19932 Butte About 1/4 mile north of La Porte Road, Honcut Cemetery, about 3 1/8 miles (air) northeast of Honcut. 54 Comment
  CHSC115357  Castilleja affinis subsp. affinis Lowell Ahart 2015-3-24 19958 Butte Along the Humboldt Trail, southeast part of Upper Bidwell Park, about 450 yards north of where the trail comes out to the old road and Highway 32, about 6 miles (air) northeast of Chico. 377 Comment
  CHSC115371  Polypogon monspeliensis Lowell Ahart 2015-4-24 20059 Butte Small size plants, on dry bare soil, side (road edges) of a large duck field. 19 Comment
  CHSC116118  Pseudognaphalium luteoalbum Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-11-14 20636 Butte On the bottom of the outlfow area at the bottom of Lake Francis Dam, Lake Francis, about 1 1/2 miles south of Dobbins. 479 Comment
  CHSC116154  Pseudognaphalium beneolens Lowell Ahart 2015-11-7 20624 Butte On the east side of the old highway Alternate 40, about 1/8 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. 240 Comment
  CHSC116646  Moenchia erecta subsp. erecta Lowell Ahart 2016-4-11 20741 A Butte Peter Ahart Ranch, about 1-1/2 mile north and one mile east of Honcut, about 12 miles (air) south of Oroville. 30 Comment
  CHSC116735  Eryngium castrense Lowell Ahart 2016-5-24 20849 Butte On dry yellow soil, near the ditch, about 200 yards west of Loma Rica Road, about 300 yards southwest of the intersection of Loma Rica Road and La Porte Road, about 3 1/2 miles (air) northeast of Honcut. 50 Comment
  CHSC116748  Gamochaeta ustulata Lowell Ahart 2016-5-24 20853 Butte About 50 yards north of the ditch, about 150 yards south of La Porte Road, about 1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut. 44 Comment
  CHSC117402  Isoetes howellii Lowell Ahart 2016-5-30 20881 Butte Peter Ahart Ranch, about 1 1/2 miles north and 1 1/8 miles east of Honcut, about 12 miles (air) southeast of Oroville. 31 Comment
  CHSC12176  Stellaria media Lowell Ahart 1973-3-7 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC29980  Plagiobothrys glyptocarpus Lowell Ahart 1980-5-12 2248 Butte Peter Ahart Ranch, ca 1 mi N and 2.25 mi E of Honcut; in small wash in pasture. 50 Comment
  CHSC29998  Yabea microcarpa L. Ahart 1980-4-21 Butte Peter Ahart Ranch, Honcut. 50 Comment
  CHSC30952  Heteromeles arbutifolia L. Ahart 1980-7-4 2455 Butte Ca. 1/2 mi se of the Oak Grove Cemetary, ca. 1 mi se of Hurleton. 600 Comment
  CHSC31476  Cyperus niger L. Ahart 1980-7-29 2497 Butte Along the edge of a small stream near Hurleton Swedes Flat Rd, near Hurleton. 600 Comment
  CHSC31532  Pilularia americana L. Ahart 1973-4-15 197 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31576  Bidens frondosa Lowell Ahart 1976-6-27 1145 Butte Along the edge of North Honcut Creek, near Honcut. 45 Comment
  CHSC31579  Plagiobothrys stipitatus var. micranthus L. Ahart 1974-4-14 405 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31582  Plagiobothrys scriptus L. Ahart 1977-4-2 1235 Butte On bottom of small swale. Peter Ahart Ranch, Honcut. 50 Comment
  CHSC31612  Erigeron bonariensis L. Ahart 1975-7-1 828 Butte Around the barn, Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31624  Sorghum halepense L. Ahart 1977-9-8 1563 Butte Near the water hole. Peter Ahart Ranch, Honcut. 50 Comment
  CHSC31642  Thysanocarpus curvipes L. Ahart 1975-3-26 722 Butte Along North Honcut Creek. Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31673  Carex nudata L. Ahart 1976-4-12 1061 Butte Along the edge of North Honcut Creek, Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31719  Elymus glaucus L. Ahart 1977-6-16 1420 Butte On banks of North Honcut Creek, Peter Ahart Ranch, Honcut. 50 Comment
  CHSC31733  Brachypodium distachyon L. Ahart 1972-5-6 96 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31746  Vulpia microstachys var. confusa L. Ahart 1972-5-8 99 Butte Peter Ahart Ranch, Honcut. On bottom of a small wash. 45 Comment
  CHSC31783  Epilobium canum subsp. latifolium L. Ahart 1978-10-8 1818 Butte On the bank of North Honcut Creek. Peter Ahart Ranch, Honcut. 50 Comment
  CHSC31854  Montia fontana subsp. amporitana L. Ahart 1974-2-12 300 Butte Peter Ahart Ranch, Honcut. 45 Comment
  CHSC31864  Lomatium caruifolium var. denticulatum L. Ahart 1979-5-12 1876 Butte Peter Ahart Ranch, Honcut. 50 Comment
  CHSC32118  Calochortus monophyllus L. Ahart 1970-4-5 42 Butte Along Robinson Mill Rd. 457 Comment
  CHSC32153  Apocynum cannabinum L. Ahart 1976-5-27 1133 Butte La Porte Rd, ca. 100 yds above its jct with Robinson Mill Rd, ca. 2 mi sw of Rackerby. 609 Comment
  CHSC33669  Alisma lanceolatum L. Ahart 1981-5-25 2838 Butte Bottom of a deep wash, on Peter Ahart Ranch, ca. 2 mi n and 1/15 mi e of Honcut. 50 Comment
  CHSC33688  Thysanocarpus curvipes L. Ahart 1981-3-29 2711 Butte Along the edge of Ponderosa Way near the Ponderosa Dam, near Forbestown. 250 Comment
  CHSC33691  Phalaris paradoxa L. Ahart 1981-5-16 2801 Butte Along edge of dirt rd on Graylodge Waterfowl Mgmt Area, 11 mi sw of Gridley. 35 Comment
  CHSC33697  Lithophragma parviflorum var. trifoliatum L. Ahart 1981-4-9 2754 Butte Peter Ahart Ranch. Under oak trees along banks of North Honcut Creek, ca. 1 mi n and 3 mi e of Honcut. 213 Comment
  CHSC34054  Muhlenbergia richardsonis L. Ahart; M. S. Taylor 1981-8-15 3040 Butte On bottom of Snag Lake, ca. 10 mi n of Inskip. 1500 Comment
  CHSC34176  Juncus ensifolius L. Ahart 1981-9-15 3157 Butte On sides of Pinkard Creek, ca. 1/2 mi n of Lost Creek Reservoir. 1100 Comment
  CHSC34182  Bidens frondosa Lowell Ahart 1981-9-15 3167 Butte Where the road forks and crosses French Creek, ca. 1 mi W of Sly Creek Reservoir. 1300 Comment
  CHSC34675  Polystichum imbricans L. Ahart; M. S. Taylor 1981-11-8 3231 A Butte Along the rd to Golden Trout Crossing, ca. 7 mi w of Sly Creek Dam. 800 Comment
  CHSC35117  Crucianella angustifolia L. Ahart 1972-6-1 Butte Honcut. Comment
  CHSC36518  Polypogon interruptus L. Ahart 1982-5-28 3442 Butte E of North Honcut Creek, near the Peter Ahart Ranch, ca. 1.5 mi n and 3 mi e of Honcut. 50 Comment
  CHSC36548  Bolboschoenus glaucus L. Ahart 1982-7-10 3675 Butte Duck pond, ca. 1/2 mi se of Headquarters, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley. 35 Comment
  CHSC36553  Amaranthus deflexus L. Ahart 1982-7-10 3666 Butte Graylodge Wildlife Refuge Area, ca. 12 mi sw of Gridley. Near a small building in the parking area at the checking station. 35 Comment
  CHSC37066  Juncus xiphioides L. Ahart 1982-9-29 3838 Butte Along banks and edges of small stream, along Pinkard Creek, ca. 1.5 mi n of Lost Creek Reservoir Dam, ca. 3.5 mi nw of Strawberry Valley. 1200 Comment
  CHSC37069  Juncus covillei L. Ahart 1982-9-29 3839 Butte Banks and edges of Pinkard Creek, ca. 1.5 mi n of Lost Creek Reservoir Dam, ca. 3.5 mi nw of Strawberry Valley. 1200 Comment
  CHSC37088  Quercus vacciniifolia L. Ahart 1982-9-29 3833 Butte At n end of Lost Creek Reservoir Dam, ca. 2 mi nw of Strawberry Valley. 1100 Comment
  CHSC37090  Rumex obtusifolius subsp. agrestis L. Ahart 1982-9-13 3807 Butte On wet edges of Pinkard Creek, ca. 1/8 mi n of Lost Creek Reservoir Dam, ca. 2 and 1/8 mi nw of Strawberry Valley. 1100 Comment
  CHSC37110  Digitaria sanguinalis L. Ahart 1982-10-15 3889 Butte On bottom of North Honcut Creek, ca. 2.7 mi ne of Honcut. 50 Comment
  CHSC37111  Persicaria maculosa L. Ahart 1982-10-15 3891 Butte On bottom of North Honcut Creek, ca. 2.7 mi ne of Honcut. 50 Comment
  CHSC37140  Viola lobata subsp. lobata L. Ahart 1982-5-8 3415 Butte Ca. 1/2 mi sw of Forbestown Reservoir, ca. 4.5 mi ne of Forbestown. 800 Comment
  CHSC37258  Trichostema oblongum L. Ahart 1982-6-15 3575 Butte On a lava cap, ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls. 1000 Comment
  CHSC37268  Triteleia hyacinthina L. Ahart 1982-6-15 3564 Butte Ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls. 1000 Comment
  CHSC37272  Asclepias cordifolia L. Ahart 1982-6-15 3580 Butte Ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls. 1000 Comment
  CHSC39048  Streptanthus longisiliquus Lowell Ahart 1983-6-30 4187 Butte About 3 mi SE of Stirling City, on dirt road on the west side of the West Branch of the Feather River; along the edge of the road. Section 10. 1100 Comment
  CHSC39304  Cystopteris fragilis Lowell Ahart 1983-6-26 4130 Butte Along Ponderosa Way, about 2 miles south-east of the inersection of the Oroville Quincy Highway and Ponderosa Way, about 15 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way. 500 Comment
  CHSC39518  Bromus laevipes Lowell Ahart 1983-6-15 4056 Butte On the high banks of North Honcut Creek, above the high water line, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut. 50 Comment
  CHSC39548  Stachys stricta Lowell Ahart 1983-7-29 4217 Butte About 2 1/2 miles west on Bloomer Hill Road from the Oroville Quincy Highway, about 13 miles north of Oroville. 500 Comment
  CHSC39608  Brassica rapa Lowell Ahart 1983-2-21 3903 Butte In a field, Peter Ahart Ranch, about 2 1/2 miles north and 3/4 mile east of Honcut. 40 Comment
  CHSC39669  Monardella sheltonii Lowell Ahart 1983-6-21 4083 Butte Along Bloomer Hill Rd., about 3/4 mile west of the Oroville Quincy Highway, about 15 miles north-east of Oroville. Section 6. 425 Comment
  CHSC39949  Poa bulbosa Lowell Ahart 1984-4-3 4534 Butte Along North Honcut Creek, ca. 1 mile N and 2.7 miles E of Honcut; on Peter Ahart Ranch. 50 Comment
  CHSC39983  Agrostis viridis L. Ahart; P. Ahart 1983-7-29 4237 Butte Ca. 0.5 mi e of Milsap Bar, ca. 25 mi ne of Oroville. 500 Comment
  CHSC40006  Polypogon interruptus Lowell Ahart 1983-6-15 4057 Butte On the low banks of North Honcut Creek. Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut. 50 Comment
  CHSC40269  Carex amplifolia Lowell Ahart 1985-6-30 5077 Butte At a small stream east of the dirt road to the Forbestown Res., about 2 1/2 miles north-east of Forbestown. 868 Comment
  CHSC40392  Polygala cornuta Lowell Ahart 1985-6-30 5081 Butte Along the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown. 868 Comment
  CHSC40406  Calochortus tolmiei Lowell Ahart 1985-5-15 5000 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res. 731 Comment
  CHSC40409  Aconogonon phytolaccifolium Lowell Ahart 1985-7-9 5118 Butte Along Fall River, about 100 yards south of the bridge across Fall River, about 1/2 mile west of Lumpkin Ridge Road, about 2 1/2 miles north-east of Camp 18, about 9 miles north-east of Feather Falls. 914 Comment
  CHSC40421  Hoita macrostachya Lowell Ahart 1985-7-9 5107 Butte Along the banks of a small stream, along Ponderosa Way, about 1 mile south of the Ponderosa Dam across the South Fork of the Feather River, about 3 miles north-west of Forbestown. 548 Comment
  CHSC40427  Lupinus albicaulis Ahart; Jokerst 1985-5-10 4949 Butte Along the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam. 320 Comment
  CHSC40439  Hirschfeldia incana Lowell Ahart 1985-7-24 5157 Butte At the Generator, at the Forbestown Res., about 4 1/2 miles north-east of Forbestown. 350 Comment
  CHSC40443  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1985-4-20 4877 Butte On the floor of a rice field, Peter Ahart Ranch, about 2 miles north and 1/8 mile east of Honcut, about 12 miles south of Oroville. 40 Comment
  CHSC40468  Symphyotrichum chilense Lowell Ahart 1984-12-28 4833 Butte About 1/2 mile northeast of the West Branch Bridge across lake Oroville, 1/4 mile east of Highway 70, north of Oroville. 400 Comment
  CHSC40472  Calycadenia oppositifolia Lowell Ahart 1985-5-15 4979 Butte West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill. 502 Comment
  CHSC40489  Packera eurycephala var. eurycephala Lowell Ahart 1985-6-30 5089 Butte 100 yards south of the road to the Forbestown Res., south of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown. 883 Comment
  CHSC40595  Phacelia egena Ahart; Jokerst 1985-3-24 4857 Butte Serpentine Point, west of Yankee Hill, around large rock outcroppings. 550 Comment
  CHSC40616  Datura wrightii Lowell Ahart 1985-9-14 5167 Butte On the east side of a building, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 33 Comment
  CHSC40646  Eragrostis pilosa var. pilosa Lowell Ahart 1985-10-12 5202 Butte Along the boat ramp, at the end of Nelson Bar Road, about 1 mile south of Kunkle Reservoir, about 3 miles south of Paradise. 301 Comment
  CHSC40649  Stellaria nitens Ahart; Jokerst 1985-3-24 4862 Butte West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill. 550 Comment
  CHSC40773  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 1985-5-15 4978 Butte West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill. 502 Comment
  CHSC40908  Gnaphalium palustre Lowell Ahart 1985-11-7 5239 Butte About 90 feet below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile west of the Ponderosa Dam. 274 Comment
  CHSC41773  Lamium amplexicaule Lowell Ahart 1986-11-7 5420 Butte East of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley. 28 Comment
  CHSC41908  Stachys pycnantha Lowell Ahart 1983-7-29 4233 Butte Along the dirt road, about 1/4 mile west of Milsap Bar, about 25 miles northeast of Oroville. 500 Comment
  CHSC41988  Adiantum jordanii Lowell Ahart 1975-3-7 704 Butte Along Ponderosa Way, about 1 1/2 miles south of the Ponderosa Reservoir, north-west of Forbestown. 426 Comment
  CHSC41991  Selaginella wallacei Lowell Ahart 1976-4-17 1083 Butte Along the trail to Feather Falls, near the Feather Falls overlook, about 5 miles north of Feather Falls. 609 Comment
  CHSC41997  Claytonia parviflora subsp. parviflora Lowell Ahart 1975-3-27 725 Butte Along Swedes Flat Road, about 1/8 mile east of the bridge across Rocky Honcut Creek, northeast of Bangor. 304 Comment
  CHSC42014  Arctostaphylos mewukka subsp. truei Lowell Ahart 1976-2-19 1012 Butte Near Ponderosa Way, about 3 mi S of the Ponderosa Dam on the South Fork of the Feather River, about 3 mi NW of Forbestown. 609 Comment
  CHSC42356  Eriodictyon californicum Lowell Ahart 1987-5-11 5612 Butte South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown. 868 Comment
  CHSC42369  Carex multicaulis Lowell Ahart 1987-5-9 5594 Butte Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga. 365 Comment
  CHSC42388  Saponaria officinalis Lowell Ahart 1987-6-9 5725 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42391  Gamochaeta argyrinea Lowell Ahart 1987-6-9 5738 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42397  Epipactis gigantea Lowell Ahart 1987-6-9 5729 Butte Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42444  Vulpia microstachys var. pauciflora Lowell Ahart 1987-5-6 5562 Butte On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42471  Anthemis cotula Lowell Ahart 1987-5-27 5710 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42477  Lomatium macrocarpum Lowell Ahart 1987-5-11 5616 Butte South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown. 868 Comment
  CHSC42514  Plagiobothrys hispidulus Lowell Ahart 1987-5-6 5506 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42522  Luzula macrantha Lowell Ahart 1987-5-12 5635 Butte South of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls. 1280 Comment
  CHSC42544  Salix melanopsis Lowell Ahart 1987-5-6 5539 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 274 Comment
  CHSC42710  Centaurium tenuiflorum Lowell Ahart 1987-6-9 5744 Butte On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC42723  Linnaea borealis var. longiflora Lowell Ahart 1987-5-22 5680 Butte About 1/8 mile north-east of Camp 18, about 61/2 miles north-east of Feather Falls. 1219 Comment
  CHSC42975  Clematis ligusticifolia Lowell Ahart 1987-7-3 5753 Butte At the Poe Power House, near the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap. 280 Comment
  CHSC42992  Bidens cernua Lowell Ahart 1987-7-17 5824 Butte On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC44342  Polygonum californicum Lowell Ahart 1988-5-12 5996 Butte In a mined over area, open pasture field, about 1/2 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut. 60 Comment
  CHSC44373  Leontodon saxatilis subsp. longirostris Lowell Ahart 1988-6-23 6064 Butte Meadow, north of Forbestown Road, about 1 1/2 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC44415  Navarretia intertexta Lowell Ahart 1988-6-23 6077 Butte In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road. 670 Comment
  CHSC44493  Astragalus pauperculus Lowell Ahart 1988-5-12 5990 Butte Open pasture field, about 1/2 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut. 60 Comment
  CHSC44635  Clarkia mildrediae subsp. mildrediae Lowell Ahart 1988-6-21 6051 Butte Near the North Fork of the Feather River, at the Poe Power House, about 2 miles south-east of Jarbo Gap. 277 Comment
  CHSC44886  Pseudobahia heermannii Lowell Ahart 1979-4-15 1078 Butte Along the north side of Swedes Flat Road, near the bridge across Rocky Honcut Creek, about 6 miles north of Bangor. 457 Comment
  CHSC44895  Anaphalis margaritacea Lowell Ahart 1988-7-31 6143 Butte On the east side of the West Branch of the Feather River, north of the bridge, about 4 road miles north of Stirling City. 914 Comment
  CHSC44911  Juncus ensifolius Lowell Ahart 1988-7-31 6156 Butte Along the road gutter, north of a small stream, 1 1/2 air miles west and a little south of Bald Mountain, about 3 air miles north-east of Stirling City. 1066 Comment
  CHSC44917  Trisetum canescens Lowell Ahart 1988-7-31 6151 Butte On the east side of the Feather River, north of the bridge, about 4 road miles north of Stirling City. 914 Comment
  CHSC44923  Festuca subulata Lowell Ahart 1988-7-31 6148 Butte On the east side of the West Branch of the Feather River, north of the bridge, about 4 road miles north of Stirling City. 914 Comment
  CHSC45202  Aristida oligantha Lowell Ahart 1977-7-14 1465 Butte Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  CHSC45398  Ranunculus arvensis Lowell Ahart 1977-4-28 1331 Butte In oat field, Peter Ahart Ranch, about 2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 39 Comment
  CHSC45452  Leptosiphon filipes Lowell Ahart 1980-7-20 2476 Butte Near Bean Creek Road, south of Little Bald Rock, about 15 miles north-east of Oroville. 1005 Comment
  CHSC45932  Nemophila pedunculata Lowell Ahart 1975-3-18 713 Butte Near North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville. 45 Comment
  CHSC45982  Micranthes integrifolia Lowell Ahart 1975-3-3 701 Butte Pasture fields, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC46323  Isoetes nuttallii Lowell Ahart 1989-5-23 6268 Butte In Dutch Ravine, about 1/8 mile north of Swedes Flat Road, about 1 1/2 miles east of the Oroville Bangor Highway, north of Bangor. 426 Comment
  CHSC46340  Tragopogon porrifolius Lowell Ahart 1989-5-29 6307 Butte Along Old Forbestown Road, in Old Forbestown. 822 Comment
  CHSC46341  Urospermum picroides Lowell Ahart 1989-5-10 6220 Butte Near a dirt road, near Lake Oroville, about 1/10 mile north-west of the West Branch Bridge across Lake Oroville. 289 Comment
  CHSC46347  Rorippa nasturtium-aquaticum Lowell Ahart 1989-5-23 6239 Butte Along the bottom of a stream, north of the new subdivision road, 1/2 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor. 76 Comment
  CHSC46374  Trifolium subterraneum Lowell Ahart 1989-5-28 6289 Butte In a large meadow, in a mined over area south of Oregon Gulch Road, about 1/2 mile north of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville. 335 Comment
  CHSC46494  Clarkia unguiculata Lowell Ahart 1989-5-31 6333 Butte On the west side of a small stream, north of the end of Truex Road, near Lake Oroville, about 1/4 mile north-west of the West Branch Bridge across Lake Oroville. 304 Comment
  CHSC46756  Cryptantha intermedia Lowell Ahart 1984-6-8 4677 Butte West of the seep, along the dirt road 1/10 mile north-west of the water tower, north of the generator, about 1 mile east of the Ponderosa Dam, about 2 miles north of Forbestown. 457 Comment
  CHSC46769  Plagiobothrys shastensis Lowell Ahart 1980-4-7 2071 Butte Along Swedes Flat Road, about 1 mile east of the Bangor Oroville Highway, north of Bangor. 304 Comment
  CHSC46912  Calycadenia multiglandulosa Lowell Ahart 1972-10-4 145 Butte Peter Ahart Ranch, ca. 1 1/2 mi N and 2 1/4 mi E of Honcut, about 12 miles south of Oroville. 45 Comment
  CHSC47387  Streptanthus longisiliquus Lowell Ahart 1983-9-17 4434 Butte Along the edge of the dirt road, about 2 1/2 miles south of Stirling City. 1005 Comment
  CHSC47694  Castilleja campestris subsp. campestris Lowell Ahart 1978-5-1 1689 Butte Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC50019  Yabea microcarpa Lowell Ahart 1990-4-8 6448 Butte On the south side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville. 33 Comment
  CHSC50046  Geranium carolinianum Lowell Ahart 1990-4-8 6433 Butte On steep banks, on the east side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville. 33 Comment
  CHSC50636  Pellaea andromedifolia Lowell Ahart 1990-5-28 6503 Butte South of Palm Avenue, about 1/2 mile east of Larkin Road, about 2 1/2 miles north-east of East Gridley. 30 Comment
  CHSC50639  Amaranthus powellii Lowell Ahart 1990-5-28 6500 Butte Along the edges of Palm Avenue, about 1 /12 mile east of Larkin Raod, about 21/2 miles north-east of East Gridley. 30 Comment
  CHSC50658  Nemacladus interior Lowell Ahart 1990-5-25 6495 Butte Lake Oroville, about 1/4 mile west of the Enterprise Boat Launch Area, about 1 1/4 miles north-west of the Enterprise Bridge across Lake Oroville. 274 Comment
  CHSC50668  Acmispon glaber Lowell Ahart 1990-5-21 6474 Butte In the borrow area, about 1/4 mile south of the Feather River, about 4/10 mile west of Pacific Heights Road, about 4 1/2 miles south-west of Oroville. 30 Comment
  CHSC50686  Keckiella breviflora var. glabrisepala Lowell Ahart 1990-5-21 6477 Butte About 1/4 mile south of the Feather River, about 4/10 mile west of Pacific Heights Road, about 4 1/2 miles south-west of Oroville. 30 Comment
  CHSC50689  Lindernia dubia var. anagallidea Lowell Ahart 1990-5-25 6485 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC50695  Juncus bufonius var. bufonius Lowell Ahart 1990-5-25 6484 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51003  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1990-7-4 6540 Butte Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51016  Lindernia dubia var. anagallidea Lowell Ahart 1990-8-15 6580 Butte Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville. 228 Comment
  CHSC51019  Lindernia dubia var. anagallidea Lowell Ahart 1990-7-15 6559 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51033  Eragrostis cilianensis Lowell Ahart 1990-7-15 6556 Butte Along a stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville. 243 Comment
  CHSC51253  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1990-10-3 6612 Butte On the bottom of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/8 mile north-east of the Canyon Creek Bridge across Lake Oroville. 243 Comment
  CHSC58254  Madia elegans subsp. vernalis Lowell Ahart 1992-5-9 6759 Butte North of the road, on the north side of the Thermalito Diversion Pool, Lake Oroville Recreation Area, about 2 (air) miles north of Oroville. 76 Comment
  CHSC58878  Achillea millefolium Lowell Ahart 1992-7-26 6846 Butte Near a small stream, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain. 1767 Comment
  CHSC58954  Micranthes bryophora Lowell Ahart 1992-7-26 6857 Butte about 1/4 mile north-east of the Carr Mine, about 2 (air) miles south-east of Snow Mountain. 1798 Comment
  CHSC59062  Trisetum canescens Lowell Ahart 1992-7-27 6866 Butte Near Wildcat Creek, about 2 miles north-west of Four Trees, about 2 miles west of the Oroville-Quincy Highway, about 2 miles north-east of Coyote Gap. 1219 Comment
  CHSC60964  Amsinckia lycopsoides Lowell Ahart 1993-5-13 6935 Butte Peter Ahart Ranch, about 1 3/4 miles north and 1/8 mile east of Honcut, about 12 miles south of Oroville. 30 Comment
  CHSC61004  Polygonum parryi Lowell Ahart 1993-6-20 6985 Butte Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam. 1158 Comment
  CHSC61318  Trifolium wormskioldii Lowell Ahart 1993-7-22 7084 Butte In a small bog, west of Fall River, west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls. 1036 Comment
  CHSC61348  Juncus hemiendytus var. hemiendytus Lowell Ahart 1993-7-29 7120 Butte About 2 1/2 miles northeast of Bald Mountain, about 6 1/2 miles northeast of Stirling City. 1584 Comment
  CHSC61363  Agrostis stolonifera Lowell Ahart 1993-7-23 7105 Butte Along the west side of Fall River, about 100 yards west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls. 1036 Comment
  CHSC61644  Chimaphila menziesii Lowell Ahart 1993-9-8 7161 Butte On the north side of the ridge, about 1 mile east of Snow Mountain. 2072 Comment
  CHSC61787  Stellaria crispa Lowell Ahart 1993-10-3 7268 Butte At a spring, on the south side of the west branch of Wildcat Creek, about 2 miles north-east of Coyote Gap. 1402 Comment
  CHSC63281  Veronica persica Lowell Ahart 1994-3-30 7276 Butte Garden area at the north-east corner of Oregon City School House, Oregon City, about 7 miles north of Oroville. 365 Comment
  CHSC65168  Mentha pulegium Lowell Ahart 1995-8-19 7619 Butte East side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles south-east of Oroville. 36 Comment
  CHSC65189  Setaria gracilis Lowell Ahart 1995-8-19 7615 Butte East side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles south-east of Oroville. 36 Comment
  CHSC65211  Bromus tectorum Lowell Ahart 1995-5-30 7585 Butte Along the edge of the dirt road, south of Beatson Hollow, about 3/4 mile north-west of Cherokee Road, North Table Mountain, about 7 miles north of Oroville. 304 Comment
  CHSC65324  Eurybia integrifolia Lowell Ahart 1995-10-3 7670 Butte East of the dirt road, west of a small branch of Willow Creek, about 1/2 mile west of Humbug Summit. 1981 Comment
  CHSC66901  Polygonum californicum Lowell Ahart 1996-11-2 7707 Butte On the early drying banks of a deep wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville. 36 Comment
  CHSC68918  Trisetum canescens Lowell Ahart 1997-7-11 7754 Butte Along a stream, south of the dirt road, southeast of Cold Creek, about 2 miles (air) southwest of Bald Mountain, about 9 miles by road from Stirling City, or about 2 miles (air) northeast of Stirling City. 1219 Comment
  CHSC69050  Potentilla gracilis var. fastigiata Lowell Ahart 1997-8-3 7773 Butte On the east side of Little Kimshew Creek, where the basalt is eight sided, Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. 1524 Comment
  CHSC69051  Rosa pisocarpa subsp. ahartii Lowell Ahart 1997-8-1 7797 Butte On the bottom of Little Kimshew Creek, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. 1371 Comment
  CHSC69057  Carex lemmonii Lowell Ahart 1997-8-1 7777 Butte Near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. 1524 Comment
  CHSC69060  Juncus nevadensis Lowell Ahart 1997-8-1 7762 Butte On the bottom of Little Kimshew Creek, Snow Meadow, about 1/4 mile east of Table Mountain. about 8 miles (air) northeast of Stirling City. 1524 Comment
  CHSC69116  Viola lobata subsp. lobata Lowell Ahart 1997-8-1 7769 Butte On the east side of Little Kimshew Creek, where the basalt is eight sided. Snow Meadow about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. 1524 Comment
  CHSC69119  Agrostis pallens Lowell Ahart 1997-8-1 7772 Butte On the east side of Little Kimshew Creek, where the basalt is eight sided, Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. 1524 Comment
  CHSC69450  Epilobium brachycarpum Lowell Ahart 1997-9-6 7888 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  CHSC71104  Juncus bufonius var. congestus Lowell Ahart 1998-5-2 7957 Butte Graded north side of Evens Reimer Road, about 1/4 mile east of Pennington Road, about 5 miles (air) southwest of Gridley. 21 Comment
  CHSC71184  Clarkia arcuata Lowell Ahart 1998-6-3 7976 Butte About 1/4 mile north of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 403 Comment
  CHSC71202  Juncus tenuis Lowell Ahart 1998-6-3 7963 Butte Northwest of the lone tree, northwest of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 403 Comment
  CHSC72255  Leersia oryzoides Lowell Ahart 1998-9-11 8056 Butte West of the cattle chute on the west side of Cherokee Road, North Table Mountain, about 7 (air) miles north of Oroville. 403 Comment
  CHSC75256  Plagiobothrys stipitatus var. micranthus Lowell Ahart 1999-5-21 8075 Butte On the sides an bottom of a drain ditch in a pasture field, on the east side of Evans Reimer Road, about 7/8 mile east of Pennington Road, about 5 miles (air) southwest of Gridley. 21 Comment
  CHSC75291  Epilobium cleistogamum Lowell Ahart 1999-5-21 8071 Butte Along a drain ditch in a pasture field, 50 yards north of Evans Reimer Road, about 7/8 mile east of Pennington Road, about 5 miles (air) southwest of Gridley. 21 Comment
  CHSC75966  Lycopus americanus Lowell Ahart; Vernon H. Oswald 1999-8-13 8165 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC75990  Rorippa palustris var. hispida Lowell Ahart; Vernon H. Oswald 1999-8-13 8182 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC75991  Rorippa palustris var. occidentalis Lowell Ahart; Vernon H. Oswald 1999-8-13 8156 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76003  Plantago major Lowell Ahart; Vernon H. Oswald 1999-8-13 8173 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76016  Schoenoplectus mucronatus Lowell Ahart 1999-8-22 8185 Butte Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ordbend, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76019  Digitaria sanguinalis Lowell Ahart; Vernon H. Oswald 1999-8-13 8154 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76263  Amaranthus rudis Lowell Ahart 1999-9-21 8266 Butte Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76403  Persicaria hydropiper Lowell Ahart; Vernon H. Oswald 1999-10-3 8293 Butte Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76416  Chamaesyce maculata Lowell Ahart 1999-10-28 8309 Butte On the west side of a large pond, along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles (air) southwest of Chico. 32 Comment
  CHSC77988  Trifolium cernuum Lowell Ahart 2000-5-13 8343 Butte On the south side of the access road to the boat ramp at the Thermalito Afterbay, west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville. 42 Comment
  CHSC77990  Plantago coronopus Lowell Ahart 2000-5-13 8347 Butte On the edge of a poor dirt road, on the south side of the access road to the boat ramp at the Thermalito Afterbay, west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville. 42 Comment
  CHSC78133  Streptanthus polygaloides Lowell Ahart 2000-5-31 8419 Butte A serpentine ridge, about 200 yards east of where Kunkle Creek enters Lake Oroville, east of the Kunkle Power House, about 3 miles southeast of Paradise. 335 Comment
  CHSC78183  Eleocharis bolanderi Lowell Ahart 2000-5-30 8410 Butte Near seeps, about 1/4 mile northeast of Kunkle Reservoir, east of the Pentz Magalia Road, about 2 miles south of Paradise. 548 Comment
  CHSC78200  Eleocharis quinqueflora Lowell Ahart 2000-5-30 8411 Butte About 1/4 mile northeast of Kunkle Reservoir, east of the Pentz Magalia Road, about 2 miles south of Paradise. 548 Comment
  CHSC78230  Cheilanthes gracillima Lowell Ahart 2000-6-27 8518 Butte Around large granite rocks, Big Bald Rock, about 3 miles (air) east of madrone Lake, about 12 miles (air) northeast of Oroville. 993 Comment
  CHSC78231  Polystichum imbricans subsp. imbricans Lowell Ahart 2000-6-27 8528 Butte Along the wash and north of the trail to Big Bald Rock, about 3 miles (air) east of madrone Lake, about 12 miles (air) northeast of Oroville. 975 Comment
  CHSC78265  Rubus armeniacus Lowell Ahart 2000-6-29 8546 Butte In the north part of Flea Meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia. 1036 Comment
  CHSC78280  Cyperus eragrostis Lowell Ahart 2000-6-29 8550 Butte On the west side of Concow Road at Flea meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia. 1036 Comment
  CHSC78281  Cyperus niger Lowell Ahart 2000-6-17 8489 Butte In a large spring like area, west of the lone oak tree, west of the cow chute and the large parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 403 Comment
  CHSC78287  Eleocharis bella Lowell Ahart 2000-7-11 8577 Butte Seeps, on the sides of a dirt road, about 100 yards north of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls. 1219 Comment
  CHSC78561  Eleocharis bella Lowell Ahart 2000-9-4 8684 Butte North of a large pond on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC78567  Eleocharis radicans Lowell Ahart 2000-9-2 8680 A Butte On the margins of and in a small pond, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville. 42 Comment
  CHSC80513  Layia chrysanthemoides Lowell Ahart 2001-4-15 8725 Butte On the north side of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley. 22 Comment
  CHSC80527  Trifolium bifidum var. decipiens Lowell Ahart 2001-4-15 8724 Butte On the south side of the second dirt road south and then east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley. 22 Comment
  CHSC82292  Castilleja attenuata Lowell Ahart 2002-4-24 9530 Butte In a field, on the east side of Lone Tree Road, about 1 1/8 miles north of Cox Lane, about 3 miles (air) southwest of Palermo, about 7 miles (air) south of Oroville. 35 Comment
  CHSC82391  Rhamnus californica subsp. californica Lowell Ahart 2002-6-2 9679 Butte Meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown. 670 Comment
  CHSC82397  Sherardia arvensis Lowell Ahart 2002-5-7 9643 Butte High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville. 228 Comment
  CHSC82414  Torilis nodosa Lowell Ahart 2002-5-7 9608 Butte High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville. 228 Comment
  CHSC82422  Hedypnois cretica Lowell Ahart 2002-5-7 9644 Butte High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville. 228 Comment
  CHSC82471  Juncus occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2002-6-21 9740 Butte On the sides of a poor dirt road, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town). Comment
  CHSC82477  Melica harfordii Lowell Ahart; John Dittes, Josephine Guardino 2002-6-21 9739 Butte On the sides of a poor dirt road, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town). Comment
  CHSC83924  Microseris acuminata Lowell Ahart 2003-4-10 10058 Butte Near the east side of the 'sunken area,' about 150 yards west of the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville. 320 Comment
  CHSC84113  Odontostomum hartwegii Lowell Ahart 2003-5-14 10173 Butte Wash, Peter Ahart Ranch, about 2 miles north and 2 miles east of Honcut, about 12 miles southeast of Oroville. 48 Comment
  CHSC84120  Scribneria bolanderi Lowell Ahart 2003-5-18 10180 Butte Wash, Peter Ahart Ranch, about 2 miles north and 2 miles east of Honcut, about 12 miles southeast of Oroville. 48 Comment
  CHSC84127  Oxalis laxa Lowell Ahart 2003-4-30 10119 Butte Between dredge tailings, where there is a brake in the levee, about 100 yards south of the Feather River, on the west side of the dirt road in the Oroville Wildlife Area, about 3/5 of a mile west of Pacific Heights Road, about 5 1/2 miles (air) southwest of Oroville. 39 Comment
  CHSC84158  Chondrilla juncea Lowell Ahart 2003-6-30 10331 Butte Near the water pipe where it comes out of the mountain, on the north side of the Ponderosa Reservoir, about 2 miles (air) north of Forbestown. 481 Comment
  CHSC84186  Piperia transversa Lowell Ahart 2003-6-30 10328 Butte Near the small stream, on the south side of Ponderosa Way, about 2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown. 490 Comment
  CHSC84274  Delphinium hansenii subsp. hansenii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2003-5-27 10225 Butte On the east side of the dirt road, at Parking Area P, Upper Bidwell Park, about 5 miles east of Manzanita Avenue, Chico. 228 Comment
  CHSC84373  Darmera peltata Lowell Ahart 2003-8-26 10547 Butte On the bottom of the South Fork of the Feather River, about 1/2 mile north of Golden Trout Crossing, about 6 miles (air) northeast of Feather Falls. 975 Comment
  CHSC87884  Polystichum imbricans subsp. curtum Lowell Ahart 2004-6-22 11118 Butte On the east side of Doe Mill Road, about 1/4 mile southeast of the bridge across Butte Creek, about 2 1/4 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City. 628 Comment
  CHSC87976  Penstemon laetus var. leptosepalus Lowell Ahart 2004-6-22 11122 Butte On the west side of Doe Mill Road, about 1 mile southeast of the bridge across Butte Creek, about 2 1/2 miles (air) southeast of Forest Ranch, about 5 miles (air) southwest of Stirling City. 713 Comment
  CHSC90650  Spergularia rubra Lowell Ahart 2005-4-2 11688 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC90809  Cycloloma atriplicifolium Lowell Ahart 2005-5-2 11780 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC90813  Trifolium cernuum Lowell Ahart 2005-5-2 11762 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC90821  Juncus bufonius var. bufonius Lowell Ahart 2005-5-2 11775 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC90827  Plantago erecta Lowell Ahart 2005-5-2 11773 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC90839  Trifolium cernuum Lowell Ahart 2005-5-6 11785 Butte In corral, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/8 miles east of Honcut, about 12 miles (air) southeast of Oroville. 39 Comment
  CHSC90923  Pseudognaphalium luteoalbum Lowell Ahart 2005-4-14 11713 Butte Bottom of a deep drain ditch, about 200 feet east of the railroad tracks, north of Spruce Street, Gridley. 28 Comment
  CHSC90941  Trifolium willdenovii Lowell Ahart 2005-4-18 11735 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC90947  Juncus bufonius var. congestus Lowell Ahart 2005-4-18 11737 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 25 Comment
  CHSC91106  Navarretia tagetina Lowell Ahart 2005-5-28 11821 A Butte South edge of Falager Ct., intersection of Falager Ct. and Durham Pentz Road, east of Highway 99 East, about 4 miles east of Durham. 70 Comment
  CHSC91109  Diplacus tricolor Lowell Ahart 2005-5-28 11825 Butte Bottom of vernal pools, pasture, on the north side of Falager Ct., south of the Durham Pentz Road, east of Highway 99 East, about 4 miles east of Durham. 67 Comment
  CHSC91113  Navarretia leucocephala subsp. leucocephala Lowell Ahart 2005-5-28 11818 Butte Pasture, on the south side of Nelson Avenue, east of the bridge across the Thermalito Forebay, Thermalito. 67 Comment
  CHSC91120  Navarretia tagetina Lowell Ahart 2005-5-28 11817 Butte Pasture, on the south side of Nelson Avenue, east of the bridge across the Thermalito Forebay, Thermalito. 67 Comment
  CHSC93356  Agrostis microphylla Lowell Ahart 2006-4-28 12549 Butte Open flat pasture, south of the old dirt road, about 1/4 mile southeast of the reservoir, about 2 miles by the dirt road northwest of the Iron Gate along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 316 Comment
  CHSC93477  Trifolium variegatum var. variegatum Lowell Ahart 2006-5-3 12561 Butte Grassy area, about 50 yards south of the fence, about 1 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 391 Comment
  CHSC94256  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2006-7-16 12986 Butte On the east side of Willow Creek, on the east side of a large meadow and bog, about 200 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  CHSC94259  Trisetum canescens Lowell Ahart 2006-7-16 12967 Butte West edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  CHSC94266  Vaccinium uliginosum subsp. occidentale Lowell Ahart 2006-7-16 12982 Butte In the west edge of a large wet meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  CHSC94288  Deschampsia elongata Lowell Ahart 2006-7-16 12996 Butte On the northwest edge of Willow Creek, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1515 Comment
  CHSC94375  Zizania palustris var. interior Lowell Ahart 2006-8-5 13089 Butte On the bottom of a large wash, Peter Ahart Ranch, about 1 1/2 miles north and 300 yards east of Honcut, about 12 miles south of Oroville. 30 Comment
  CHSC94486  Polygonum punctatum Lowell Ahart 2006-8-29 13237 Butte In the field north of the canal and Parking Lot 16, west of the gravel road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area). 19 Comment
  CHSC94495  Spiraea douglasii Lowell Ahart 2006-8-15 13184 Butte East part of a large meadow with bogs, 15 yards west of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  CHSC94509  Eleocharis decumbens Lowell Ahart 2006-8-15 13181 Butte Bog, near the center of a large open meadow with bogs, about 70 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  CHSC94539  Oxypolis occidentalis Lowell Ahart 2006-9-9 13247 Butte West side of a large meadow with bogs, about 75 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1560 Comment
  CHSC94568  Artemisia douglasiana Lowell Ahart 2006-9-11 13273 Butte Gravel bar, south side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC94572  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2006-9-11 13334 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC94586  Symphyotrichum bracteolatum Lowell Ahart 2006-9-13 13318 Butte South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC94589  Muhlenbergia andina Lowell Ahart 2006-9-11 13306 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC94603  Chamaesyce maculata Lowell Ahart 2006-9-13 13327 Butte South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 452 Comment
  CHSC94616  Stachys pycnantha Lowell Ahart 2006-9-11 13286 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC94649  Amaranthus albus Lowell Ahart 2006-9-28 13364 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC97726  Streptanthus polygaloides Lowell Ahart 2007-11-3 14552 Butte Below the high water line of Lake Oroville, about 1/2 mile east of the Power House below Kunckle Reservoir, about one mile north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 271 Comment
  CHSC97729  Dysphania pumilio Lowell Ahart 2007-11-3 14566 Butte Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 259 Comment
  CHSC99014  Poa compressa Lowell Ahart 2008-5-21 14776 Butte Dry bare granite soil, below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC99308  Hypochaeris glabra Lowell Ahart 2008-5-21 14767 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. 246 Comment
  CHSC99477  Spiranthes porrifolia Lowell Ahart 2008-6-13 14825 Butte Small meadow, bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon gulch, about 10 miles (air) northeast of Oroville. 305 Comment
  CHSC99747  Carex densa Lowell Ahart 2008-6-13 14819 Butte East of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville. 311 Comment
  HSC100752  Juncus laccatus Lowell Ahart 2011-8-19 17641 Butte Small spring on S side of road and wet meadow on N side, S side of a good forest road, 0.5 mi. N of Lost Creek Reservoir Dam, and 4.5 (air) mi. N of Clipper Mills. 1267 Comment
  HSC100801  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2010-6-9 16786 Butte ~100 yd. W of the fence, ~1/2 mi. S of the improved parking area and Cherokee Rd., N Table Mountain, 5 1/2 (air) mi. NE of Oroville. 399 Comment
  HSC102785  Plantago erecta L. Ahart 2012-4-9 17851 Butte Upper Bidwell Park, ~1.0 air mi. NE of Chico; north side of South Rim Trail, west of the power lines. 143 Comment
  HSC104001  Digitaria ischaemum L. Ahart 2012-10-20 18494 Butte Chico, Lower Bidwell Park, west of Cedar Grove, ~50 yds. W of Table 4 on the south side of Big Chico Creek 69 Comment
  HSC104007  Frangula californica subsp. tomentella L. Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-17 18072 Butte Chico, Lower Bidwell Park; along a horse trail, ~50 ft. south of Vallombrosa Ave., ~ 0.25 mi. W of Peterson Drive 76 Comment
  HSC92448  Mimulus pilosus L. Ahart 1982-8-22 3752 Butte Along edges of N Honcut Creek, a little S of the Peter Ahart Ranch, ca. 0.75 mi. N and 2.75 mi. E of Honcut, ca. 12 mi. S of Oroville 40 Comment
  HSC92450  Parentucellia viscosa L. Ahart 1976-5-25 1128 Butte S side of Cox Lane, 1/10 mi. W of Palermo Honcut Hwy., 4 mi. N of Honcut, 10 mi. S of Oroville 34 Comment
  HSC92461  Plantago major L. Ahart 1981-9-27 3213 Butte 1/8 mi. NE of intersection Lower Wyandotte Rd. and Upper Palermo Rd., 4 mi. NE of Palermo 73 Comment
  HSC93378  Gastridium phleoides L. Ahart 1995-5-30 7584 Butte S of Beatson Hollow, 1/8 mi. N of Cherokee Road, N Table Mtn., 7 mi. N of Oroville. 335 Comment
  HSC93416  Bromus tectorum L. Ahart 1995-5-30 7585 Butte S of Beatson Hollow, about 3/4 mi. NW of Cherokee Rd., North Table Mtn., 7 mi. N of Oroville 305 Comment
  HSC97025  Collinsia tinctoria L. Ahart 2006-6-9 12654 Butte W side of Bardees Bar Rd., N of small stream, 1/8 mi. W of bridge across N Fork of the Feather River at Bardees Bar, 2.75 mi. SW of Pulga 386 Comment
  HSC97050  Veronica anagallis-aquatica L. Ahart 2004-10-3 11423 Butte W side of N Honcut Creek, Peter Ahart Ranch, 1.5 mi. N and 2.75 mi. E of Honcut, 12 mi. SE of Oroville 53 Comment
  HSC97053  Eragrostis pectinacea var. pectinacea L. Ahart 2004-9-14 11402 Butte E side of Palermo Honcut Hwy., about 20 ft. S of Palermo Rd., E part of Palermo. 58 Comment
  HSC97161  Centaurea melitensis L. Ahart 2006-6-9 12659 Butte On N side of Bardees Bar Rd., ca. 1/8 mi. NW of the poor bridge across the N Fork of the Feather River at Bardees Bar, about 2 3/4 mi. SW of Pulga 386 Comment
  JEPS102315  Myriophyllum spicatum Lowell Ahart 2001-6-3 8749 Butte about 1 mi N and 2 3/4 mi E of Honcut (Peter Ahart Ranch, W side of North Honcut Creek) 38 Comment
  JEPS102321  Asclepias speciosa Lowell Ahart 2001-6-1 8748 Butte 7 1/2 mi W of Biggs (S side of Biggs - Princeton road, about 1 mi E of Butte Creek) 21 Comment
  JEPS102784  Euonymus occidentalis var. occidentalis Lowell Ahart 2001-6-18 8879 Butte On the east side of the dirt road and east of the bridge across the West Branch of the Feather River, about 2 miles (air) SE of Stirling City. 609 Comment
  JEPS103284  Polypogon monspeliensis Lowell Ahart 2002-5-7 9635 Butte High banks of a pond, at the beginning of a SE branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville. 228 Comment
  JEPS103298  Torilis nodosa Lowell Ahart 2002-5-7 9608 Butte High banks of a pond, at the beginning of a SE branch of Schirmer Ravine, ca 50 yards E of the pond on the E side of Cherokee Road, North Table Mountain, ca 4 miles (air) N of Oroville. 228 Comment
  JEPS103301  Cyperus difformis Lowell Ahart 2002-9-7 9930 Butte On the E side of Cherokee Road, N of the Thermalito Diversion Canal, on the W side of the water purification pond, ca 1 mile N of Oroville. 130 Comment
  JEPS103378  Gratiola ebracteata Lowell Ahart 2002-4-24 9533 Butte Vernal pools and swales, in a field, on the E side of Lone Tree Road, ca 1 1/8 miles N of Cox Lane, ca 3 miles (air) SW of Palermo, ca 7 miles (air) S of Oroville. 35 Comment
  JEPS103389  Torilis arvensis Lowell Ahart, John Dittes, Josephine Guardino 2002-6-21 9751 Butte 5 air mi N of Feather Falls (town) (S side of a poor dirt rd, Watson Ridge, 2 air mi NE of Bald Rock Dome) 1095 Comment
  JEPS103551  Rosa pisocarpa subsp. ahartii Lowell Ahart 2002-6-2 9680 Butte N side of Black Bart Road, 1 1/2 mi E of int. of Forbestown Rd and Black Bart Rd, 12 air mi SE of Oroville 548 Comment
  JEPS103569  Bromus catharticus Lowell Ahart 2002-4-15 9493 Butte On a canal bank, on the W side of Faris Road, 3 miles W of West Biggs Gridley Road, ca 3 miles (air) SW of Biggs. 24 Comment
  JEPS103604  Kickxia elatine Lowell Ahart 2002-10-17 9993 Butte On the gentle hills below the high water line of Lake Oroville, ca 1 1/2 miles S of Highway 162 (Oroville Quincy Highway), ca 3 miles (air) NE of Oroville Dam. 227 Comment
  JEPS104027  Alisma plantago-aquatica Lowell Ahart 2003-6-23 10304 Butte In a rice field, Peter Ahart Ranch, ca 300 yd e of the Palermo Honcut Highway, ca 2 1/8 mi n of Honcut, ca 12 mi south of Oroville. 30 Comment
  JEPS104090  Juncus effusus subsp. pacificus Lowell Ahart 2003-6-30 10335 Butte In the gutter on the n side of Fields Ridge Rd, n of the Ponderosa Reservoir, ca 3 mi (air) n of Forbestown. 491 Comment
  JEPS104200  Downingia cuspidata Lowell Ahart 2003-5-28 10227 Butte Center of a vernal pool, ca 100 feet w of Hendricks ditch, ca 1 3/4 mi nw of the iron gate and fence, nw of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville. 271 Comment
  JEPS104210  Bromus commutatus Lowell Ahart 2003-5-27 10222 Butte About 100 yd w of the dirt road, w of Diversion Dam on Big Chico Creek, w of Parking Area L, Upper Bidwell Park, ca 3 1/2 mi e of Manzanita Avenue, Chico. 121 Comment
  JEPS104270  Clarkia mosquinii Lowell Ahart 2003-6-30 10327 Butte Near the small stream, on the w side of Ponderosa Way, ca 2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown. 490 Comment
  JEPS104276  Juncus leiospermus var. leiospermus Lowell Ahart 2003-4-15 10093 Butte High water line of vernal pool, ca 70-100 feet sw of section corner pipe, ca 1/8 mi sw of tall Digger Pine on s edge of Beatson Hollow, ca 1 1/4 mi nw of iron gate and fence, nw of Cherokee Rd, North Table M., ca 7 mi (air) n of Oroville. 299 Comment
  JEPS104628  Carex praegracilis Lowell Ahart 2000-4-27 8330 Butte On the cut bank on the west side of Pennington Road, about 400 feet north of Rutherford Road, Gray Lodge Waterfowl Management Area, about 6 miles (air) SW of Gridley. 21 Comment
  JEPS105995  Plagiobothrys greenei Lowell Ahart 2004-4-4 10713 Butte About 250 yards east of Wilber Road, northeast of the high hill crossed by Wilber Road, cattle pasture, about 3 miles (air) west of Thermalito 48 Comment
  JEPS106155  Eragrostis pectinacea var. pectinacea Lowell Ahart 2004-9-14 11402 Butte On the east side of Palermo Honcut Highway, about 20 feet south of Palermo Road, east part of Palermo 57 Comment
  JEPS106244  Potamogeton diversifolius Lowell Ahart 2004-7-11 11226 Butte On the southeast shore of Paradise Lake, about 3/4 mile northeast of the picnic area, about 1 mile northeast of Paradise Dam, about 4 miles (air) southwest of Stirling City 814 Comment
  JEPS107334  Pseudognaphalium luteoalbum Lowell Ahart 2005-4-14 11713 Butte Bottom of a deep drain ditch, about 200 feet east of the railroad tracks, north of Spruce Street, Gridley 28 Comment
  JEPS107337  Salix exigua Lowell Ahart 2005-4-2 11696 Butte Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico 25 Comment
  JEPS107420  Hesperevax acaulis var. robustior Lowell Ahart, Paul Maslin, John Dittes 2005-3-17 11673 Butte Big Chico Creek Ecological Reserve. Ridge top, on the north side of a very poor dirt road, about 1/2 mile southwest of the Indian Cave, about 1 1/4 miles west of Big Chico Creek, about 4 miles (air) northeast of Chico 497 Comment
  JEPS107749  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 2005-5-28 11820 Butte Pasture, on the south side of Nelson Avenue, east of the bridge across the Thermalito Forebay, Thermalito 67 Comment
  JEPS107893  Navarretia tagetina Lowell Ahart 2005-5-28 11821 Butte Pasture, on the north side of Falager Ct., south of the Durham Pentz Road, east of Highway 99 East, about 4 miles east of Durham 70 Comment
  JEPS108949  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-9-11 13279 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  JEPS110082  Ammannia coccinea Lowell Ahart 2006-8-5 13084 Butte On the bottom of a large wash, Peter Ahart Ranch, about 1 1/2 miles north and 300 yards east of Honcut, about 12 miles south of Oroville Comment
  JEPS110090  Solidago elongata Lowell Ahart 2006-8-15 13193 Butte Grassy area on the north side of Willow Creek, east edge of a large meadow, about 100 yards northwest of the Snowmobile Area, about 3/4 miles (air) northwest of Jonesville, about 4 miles (air) northeast of Butte Meadows 1516 Comment
  JEPS110130  Solanum americanum Lowell Ahart 2006-9-28 13377 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  JEPS110149  Juncus leiospermus var. ahartii Lowell Ahart 2006-4-27 12538 Butte In a vernal pool, about 100 yards north of the tower by the south fence, pasture fields, Peter Ahart Ranch, about 1 mile north and 1 3/4 miles east of Honcut 58 Comment
  JEPS110206  Linanthus harknessii Lowell Ahart 2006-7-16 13008 Butte On the west side of the poor dirt road, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1524 Comment
  JEPS110229  Equisetum laevigatum Lowell Ahart 2006-7-16 12984 Butte In the west edge of a large wet meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1569 Comment
  JEPS110243  Galium murale Lowell Ahart 2006-5-8 12598 Butte Steep bank on the east side of a small stream, about 50 yards east of the fence and reservoir, about 2 1/4 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville 296 Comment
  JEPS110270  Velezia rigida Lowell Ahart 2006-6-9 12646 Butte On the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 1/8 mile east of Highway 70, about 2 3/4 miles (air) southwest of Pulga 435 Comment
  JEPS110276  Cyperus flavescens Lowell Ahart 2006-9-28 13379 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  JEPS110324  Scirpus diffusus Lowell Ahart 2006-7-25 13062 Butte In the west part of a large wet meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1569 Comment
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Feb 23 2009
  JEPS110327  Mimulus guttatus Lowell Ahart 2006-7-25 13063 Butte In the west part of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1569 Comment
  JEPS110382  Oxypolis occidentalis Lowell Ahart 2006-9-9 13247 Butte West side of a large meadow with bogs, about 75 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1560 Comment
  JEPS110390  Cinna latifolia Lowell Ahart 2006-8-15 13191 Butte East part of a large meadow with bogs, on the east side of Willow Creek, about 100 yards southeast of the cabin, about 3/4 miles (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1569 Comment
  JEPS110396  Oreostemma alpigenum var. andersonii Lowell Ahart 2006-8-15 13182 Butte Bog, near the center of a large open meadow with bogs, about 70 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows 1569 Comment
  JEPS110436  Nemophila heterophylla Lowell Ahart 2006-4-28 12544 Butte On the south side of the dirt road, on the west side of a small stream, a part of the south drainage of Beatson Hollow, about 1/2 mile northwest of the Iron Gate along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville 301 Comment
  JEPS110515  Paspalum distichum Lowell Ahart 2006-10-13 13506 Butte Peter Ahart Ranch, about 1 1/2 mile north and 1 1/8 miles east of Honcut, about 12 miles southeast of Oroville 33 Comment
  JEPS113222  Aspidotis densa Lowell Ahart 2007-5-29 13966 Butte On the east side of Bald Rock Dome, Dome Trail at the Middle Fork of the Feather River, about 2 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 1/2 miles (air) northeast of Big Bald Rock, about 16 1/2 miles (air) 608 Comment
  JEPS113261  Trifolium willdenovii Lowell Ahart 2007-4-30 13710 Butte On the north side of Jordan Hill Road, about 2 miles northwest of Concow Creek, about 2 miles northwest of Concow Reservoir 484 Comment
  JEPS113268  Luzula comosa var. subsessilis Lowell Ahart 2007-4-30 13705 Butte On the west side of Jordan Hill Road, about 1 1/2 miles northwest of Concow Creek, about 1 1/2 miles west of Concow Reservoir 358 Comment
  JEPS113765  Juncus usitatus Lowell Ahart 2007-7-27 14397 Butte On the south strand of Thermalito Afterbay, about 200 yards north of Highway 162, about 5 miles west of the intersection of Highway 162 and Highway 70, about 5 1/2 miles (air) west of Oroville 36 Comment
  JEPS113854  Juncus triformis Lowell Ahart 2007-6-12 14062 Butte Along swales, west of a high ridge on Big Bald Rock, about 14 miles (air) northeast of Oroville 972 Comment
  JEPS113857  Juncus tenuis Lowell Ahart 2007-6-12 14081 Butte On the east side of Rockefeller Road, at the intersection of Bald Rock Road and Rockefeller Road, about 13 miles (air) northeast of Oroville 1011 Comment
  JEPS113871  Juncus effusus subsp. pacificus Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-7-10 14280 Butte Northwest part of a large open area, about 250 yards east of Bean Creek Road, northeast of Little Bald Road, about 16 miles (air) northeast of Oroville 1024 Comment
  JEPS114586  Geranium purpureum Lowell Ahart, Lawrence Janeway, Linnea Hanson 2008-5-27 14790 Butte Dry bare red soil, on the south side of Ponderosa Way, about 1 mile (air) soouthwest of the Pondersoa Dam, about 2 1/4 miles (air) northwest of Forbestown 670 Comment
  JEPS114719  Lupinus bicolor var. tridentatus Lowell Ahart 2008-5-12 14750 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 258 Comment
  JEPS114720  Veronica americana Lowell Ahart 2008-5-12 14736 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS114824  Festuca subulata Lowell Ahart 2008-6-2 14807 Butte Shaded road cut, on the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1.4 miles (air) northwest of Forbestown 670 Comment
  JEPS114860  Juncus brachyphyllus Lowell Ahart 2008-5-30 14792 Butte Northwest part of the top of Big Bald Rock, about 14 miles (air) northeast of Oroville 976 Comment
  JEPS114956  Briza minor Lowell Ahart 2008-5-12 14739 Butte Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam 258 Comment
  JEPS114965  Geranium carolinianum Lowell Ahart 2008-5-8 14721 Butte Below the high water line of Lake Oroville, about 50 yards east of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville 264 Comment
  JEPS114972  Poa annua Lowell Ahart 2008-5-21 14775 Butte Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam 246 Comment
  JEPS114995  Eragrostis hypnoides Lowell Ahart 2007-11-3 14559 Butte Along a very small stream, below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise 259 Comment
  JEPS115024  Portulaca oleracea Lowell Ahart 2007-11-3 14556 Butte Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise 259 Comment
  JEPS115055  Cyperus niger Lowell Ahart 2007-11-3 14554 Butte Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise 259 Comment
  JEPS115243  Taraxacum officinale Lowell Ahart 2009-4-3 15522 Butte On the east side and along margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico 67 Comment
  JEPS115270  Centaurea solstitialis Lowell Ahart 2009-5-30 15953 Butte Open area west of the Guardian Rock Trail, about 120 yards north of Pine Trail, about 3/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico 398 Comment
  JEPS115276  Ficus carica Lowell Ahart 2009-6-30 15976 Butte On dry soil, along a small flowing stream, about 20 yards south of the fence, about 150 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 242 Comment
  JEPS115285  Lepidium strictum Lowell Ahart 2009-4-3 15525 Butte On margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico 67 Comment
  JEPS115324  Trifolium microcephalum Lowell Ahart 2009-4-17 15542 Butte On the south slope of a ridge, about 150 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico 373 Comment
  JEPS115327 Image available Sherardia arvensis Lowell Ahart 2009-4-17 15547 Butte On the south slope of a ridge, about 150 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico 373 Comment
  JEPS115355  Spergularia bocconi Lowell Ahart 2009-7-3 15986 Butte On the north side of the road, 30 yards west of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 30 yards east of Cedar Grove, Lower Bidwell Park, Chico 67 Comment
  JEPS115505  Medicago lupulina Lowell Ahart 2009-6-12 15842 Butte 10 yards north of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico 67 Comment
  JEPS115575  Oxalis corniculata Lowell Ahart 2009-6-12 15841 Butte 10 yards north of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico 67 Comment
  JEPS115605  Rubus ursinus Lowell Ahart 2009-5-23 15736 Butte Along the west edge of a meadow and the east bank of Big Chico Creek, west of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 236 Comment
  JEPS115621  Trifolium ciliolatum Lowell Ahart 2009-5-15 15684 Butte East side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west Highway 32, about 10 miles northeast of Chico 235 Comment
  JEPS115628  Senecio sylvaticus Lowell Ahart 2009-5-15 15692 Butte On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 203 Comment
  JEPS115719  Grindelia hirsutula Lowell Ahart 2009-8-3 16263 Butte On the east side of Big Chico Creek, about 30 yards south of the gate, in the middle of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 269 Comment
  JEPS115720  Stachys pycnantha Lowell Ahart 2009-8-23 16259 Butte Drainage on the east side of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 209 Comment
  JEPS115726  Rumex stenophyllus Lowell Ahart 2009-7-4 15996 Butte On the sides of the road, near parking lot 18, Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley 19 Comment
  JEPS115824  Marah watsonii Lowell Ahart 2009-4-26 15648 Butte On the east side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 381 Comment
  JEPS115827  Eschscholzia californica subsp. californica Lowell Ahart 2009-4-26 15622 Butte In a small open meadow, about 150 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 286 Comment
  JEPS115855  Calocedrus decurrens Lowell Ahart 2009-11-19 16548 Butte About 80 yards southeast of the gate, about 70 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 269 Comment
  JEPS115882  Agoseris grandiflora Lowell Ahart 2009-6-19 15918 Butte On dry soil, on the north side of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 379 Comment
  JEPS115995  Carex fracta Lowell Ahart 2009-6-3 15826 Butte By a small wash, about 130 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 279 Comment
  JEPS116023  Poa compressa Lowell Ahart 2009-7-9 16022 Butte On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 1/4 mile west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico 203 Comment
  JEPS116030  Carex amplifolia Lowell Ahart 2009-6-30 15974 Butte On the bottom of a deep ditch, on the east side of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 209 Comment
  JEPS116036  Draba verna var. aestivalis Lowell Ahart, John Dittes 2009-3-20 15503 Butte Open area along the Guardian Rock Trail, about 150 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico 407 Comment
  JEPS116049  Triticum aestivum Lowell Ahart 2009-4-3 15537 Butte Along the south side of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico 67 Comment
  JEPS117133  Pectocarya pusilla Lowell Ahart 2010-5-7 16615 Butte Below rim, north side of disk golf area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico 360 Comment
  JEPS117179  Danthonia californica var. americana Lowell Ahart 2010-9-21 17230 Butte On damp bare disturbed soil, bottom and sides of a small wash, on the north side of a poor dirt road, about 1 mile (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir 1899 Comment
  JEPS117181  Carex Lowell Ahart 2010-4-23 16579 Butte Lawn of home #1082, near the middle of and north side of E7th Street, between Sycamore Street and Linden Street, Chico 63 Comment
  JEPS117188  Psilocarphus brevissimus var. brevissimus Lowell Ahart 2010-5-14 16649 Butte On the west side of the old Humboldt Road, Disc Golf Area, about 150 yards west of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico 395 Comment
  JEPS117194  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2010-6-20 16819 Butte Bottom of Wyandotte Creek, under the government pole line, about 1 mile east of Palermo Honcut Highway, Guidci Ranch, about 7 miles (air) southeast of Oroville 47 Comment
  JEPS117197  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2010-5-16 16678 Butte About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville 378 Comment
  JEPS117203  Plagiobothrys glyptocarpus var. glyptocarpus Lowell Ahart 2010-5-22 16715 Butte About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville 392 Comment
  JEPS117213  Callitriche marginata Lowell Ahart 2010-5-16 16687 Butte About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville 371 Comment
  JEPS117246  Castilleja lacera Lowell Ahart 2010-5-7 16625 Butte On both sides of Guardian Trail, about 1/2 mile west of Highway 32, Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico 238 Comment
  JEPS117409  Linanthus parviflorus Lowell Ahart 2010-5-7 16628 Butte On both sides of Guardian Trail, about 1/2 miles west of Highway 32, Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico 238 Comment
  JEPS117433  Eremocarpus setiger Lowell Ahart 2010-9-12 17148 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam 243 Comment
  JEPS117538  Trifolium dubium Lowell Ahart 2010-6-9 16784 Butte About 50 yards west of the fence, about 1/4 mile south of the improved parking area and Cherokee Road, North Table Mountain, about 5 3/4 miles (air) northeast of Oroville 405 Comment
  JEPS117545  Centaurea melitensis Lowell Ahart 2010-6-20 16835 Butte About 3/8 mile north of Cox Lane, about 1 1/2 miles east of Palermo Honcut Highway, Guidci Ranch, about 7 1/2 miles (air) southeast of Oroville 55 Comment
  JEPS118041  Stellaria media Lowell Ahart 2011-6-3 17361 Butte Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico 60 Comment
  JEPS118048  Gaultheria ovatifolia Lowell Ahart 2011-8-23 17653 Butte On the west edge of the large meadow, Pinkard Creek flows through the meadow, 40 yards north of the corral, about 1 mile north of Lost Creek Reservoir Dam, about 4 miles (air) northeast of Clipper Mills 1133 Comment
  JEPS118412  Arctostaphylos mewukka subsp. mewukka Lowell Ahart 2011-7-9 17566 Butte Near a large open area, about 1/4 mile east of Little Bald Rock, about 2 miles (air) southeast of Brush creek, about 15 miles (air) northeast of Oroville 975 Comment
  JEPS119524  Cyperus erythrorhizos Lowell Ahart 2011-10-29 17730 Butte On the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 miles northwest of Biggs. Comment
  JEPS119527  Lupinus albifrons var. albifrons Lowell Ahart 2012-4-20 17895 Butte On the west side of South Rim Trail, about 5/8 mile west of Highway 32, about 8 1/2 miles (air) northeast of Chico, south part of Upper Bidwell Park. Comment
  JEPS119555  Aristolochia californica Lowell Ahart 2012-2-22 17756 Butte About 50 feet from Highway 32, about 9 miles (air) northeast of Chico. Comment
  JEPS119566  Garrya fremontii Lowell Ahart 2012-2-22 17755 -A Butte On the north side of Guardian Trail, about 100 yards west of Ten Mile House Road, about 1/4 mile west of Highway 32, about 9 miles northeast of Chico. Comment
  JEPS119596  Salix laevigata Lowell Ahart 2012-4-9 17848 Butte About 50 feet east of South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico. Comment
  JEPS119624  Ceanothus cuneatus var. cuneatus Lowell Ahart 2012-6-9 18179 Butte On the north side of Guardian Trial, about 50 yards southwest of Ten Mile House Road, about 1/8 mile west of Highway 32, Upper Bidwell Park, about 9 miles northeast of Chico. Comment
  JEPS119627  Melissa officinalis Lowell Ahart 2012-6-14 18195 Butte About 100 yards east of Mangrove Avenue, Annie's Glen, Lower Bidwell Park, Chico. Comment
  JEPS119682  Plantago elongata Lowell Ahart 2012-5-4 17981 Butte About 1/2 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  JEPS119690  Chorizanthe polygonoides var. polygonoides Lowell Ahart 2012-5-2 17953 Butte About 50 yards northeast of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico. Comment
  JEPS119696  Lupinus bicolor Lowell Ahart 2012-5-2 17952 Butte West of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico. Comment
  JEPS119722  Sambucus nigra subsp. caerulea Lowell Ahart 2012-7-5 18280 Butte On the south side of Big Chico Creek, east of the Deer Pen, between Table 12 & 13, Lower Bidwell Park, Chico. Comment
  JEPS119784  Castilleja exserta subsp. exserta Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 18015 Butte South of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. Comment
  JEPS119787  Erodium brachycarpum Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 17998 Butte South of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. Comment
  JEPS119791  Plantago elongata Lowell Ahart 2012-5-4 17995 Butte About 1 1/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  JEPS119798  Castilleja lacera Lowell Ahart 2012-5-20 18100 Butte On the north side of the Humboldt Trail, about 50 yards northwest of the poor dirt road south of Highway 32, southeast part of Upper Bidwell Park, northeast of Chico. Comment
  JEPS119805  Ammannia robusta Lowell Ahart 2012-8-24 18429 Butte On the strand of Black Butte Reservoir (west side), about 3 miles north of the bridge across Stony Creek and the upper reaches of Black Butte Reservoir. Comment
  JEPS119880  Epilobium foliosum Lowell Ahart 2012-6-2 18141 Butte South edge of Truex Road, about 40 yards east of the intersection of Truex Road and Trevor Road, about 1/8 mile northwest of the West Branch Bridge across Lake Oroville. Comment
  JEPS119886  Epilobium campestre Lowell Ahart 2012-6-5 18166 Butte North of Beatson Hollow, about 1 3/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville. Comment
  JEPS119892  Carduus pycnocephalus subsp. pycnocephalus Lowell Ahart 2012-6-5 18172 Butte On the south side of Beatson Hollow, about 3/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville. Comment
  JEPS119906  Zeltnera muehlenbergii Lowell Ahart 2012-5-20 18097 Butte On the south side of the Humboldt Trail, about 100 yards east of the Guardian Trail, southeast part of Upper Bidwell Park, northeast of Chico. Comment
  JEPS119910  Amaranthus deflexus Lowell Ahart 2012-10-20 18516 Butte On the south side of the paved park road, about 30 yards east of Table 33, west of Cedar Grove, Lower Bidwell Park, Chico. Comment
  JEPS119916  Mentha arvensis Lowell Ahart 2012-10-20 18495 Butte On the south side of Big Chico Creek, about 50 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico. Comment
  JEPS119985  Trifolium bifidum var. bifidum Lowell Ahart 2012-4-30 17929 Butte On the west side of South Rim Trail, about 1/2 mile southwest of the old homestead, pond, and Ten Mile House Road, about 3/4 mile west of Highway 32, about 8 miles northeast of Chico, south part of Upper Bidwell Park. Comment
  JEPS120004  Geranium dissectum Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-4-16 17856 Butte East of the Deer Pen, between Tables 10 & 11, Lower Bidwell Park, Chico. Comment
  JEPS120007  Lonicera japonica Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino 2012-4-27 17914 Butte Near table 17, on the north side of Centennial Avenue, Lower Bidwell Park, Chico. Comment
  JEPS120014  Darmera peltata Lowell Ahart 2012-10-28 18541 Butte On the south side of Big Chico Creek, near Table 14, northeast of Cottonwood Avenue, Lower Bidwell Park, Chico. Comment
  JEPS120017  Cyperus eragrostis Lowell Ahart 2012-10-28 18527 Butte On the south side of Big Chico Creek, about 50 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico. Comment
  JEPS120051  Lagerstroemia indica Lowell Ahart 2012-10-28 18538 Butte On the west side of the horse path (gravel road), about 100 yards north of the paved park road, west side of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. Comment
  JEPS120058  Prunus cerasifera Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-4-16 17852 Butte Just east of the Deer Pen, near Table 10, Lower Bidwell Park, Chico. Comment
  JEPS120069  Aucuba japonica Lowell Ahart, John Dittes, Josephine Guardino 2012-4-6 17807 Butte On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico. Comment
  JEPS120074  Hedera helix Lowell Ahart, John Dittes, Josephine Guardino 2012-4-6 17806 Butte On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico. Comment
  JEPS120077  Crataegus monogyna Lowell Ahart 2012-5-17 18084 Butte On both sides of the horse trail, between the paved park road and the poor dirt road, between Table 21 and Larch, Lower Bidwell Park, Chico. Comment
  JEPS120113  Andropogon glomeratus var. scabriglumis Lowell Ahart 2012-4-9 17829 Butte East of the cement dam in Big Chico Creek, west of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico. Comment
  JEPS120139  Carex nudata Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 18010 Butte On the north side of Big Chico Creek, on the south side of the paved park road, south of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico. Comment
  JEPS120140  Pinus sabiniana Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-5-10 18019 Butte On the north side of Big Chico Creek, on the north side of the paved park road, southeast of part of the old walnut orchard, south of Vallombrosa Avenue, about 1/8 mile west of Peterson Drive, Lower Bidwell Park, Chico. Comment
  JEPS120146  Ceratophyllum demersum Lowell Ahart 2012-4-30 17927 Butte About 70 yards southeast of the intersection of South Rim Trail and Ten Mile House Road, about 5/8 mile west of Highway 32, about 9 miles (air) northeast of Chico. Comment
  JEPS120173  Polypodium calirhiza Lowell Ahart 2012-2-22 17740 Butte On the east edge of Big Chico Creek, about 100 yards south of the trail crossing the creek, about 100 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico. Comment
  JEPS120589  Dysphania ambrosioides Lowell Ahart 2013-11-18 19274 Butte Below the high-water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2.5 air miles northeast of Hurleton. Comment
  JEPS120601  Acmispon nevadensis Lowell Ahart 2013-11-17 19269 Butte About 60 yards east of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  JEPS120608  Lindernia dubia var. anagallidea Lowell Ahart 2013-11-13 19237 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  JEPS120618  Dysphania botrys Lowell Ahart 2013-11-13 19232 Butte Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam. Comment
  JEPS120654  Crassula aquatica Lowell Ahart 2013-10-26 19213 Butte On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir. Comment
  JEPS120657  Rorippa curvisiliqua var. orientalis Lowell Ahart 2013-10-26 19210 Butte On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir. Comment
  JEPS120700  Gnaphalium palustre Lowell Ahart 2013-10-26 19207 Butte On south side of Philbrook Creek, below the high water line (strand) of Philbrook reservoir. Comment
  JEPS120716  Najas guadalupensis subsp. guadalupensis Lowell Ahart 2013-10-16 19116 Butte Thermalito After Bay, about 20 feet north of the base of the large rock levee, about 100 yards north of Larkin Road, about 4 air miles north of East Biggs. Comment
  JEPS120851  Brodiaea sierrae Lowell Ahart 2013-7-1 18812 Butte About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown Comment
  JEPS120858  Glinus lotoides Lowell Ahart 2013-6-18 18810 Butte About 30 yards north of Lower Honcut Road, about 1.75 miles west of Honcut. Comment
  JEPS120959  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2013-4-20 18562 Butte Corral at the barn, about 1/4 mile N of Honcut Cemetery, about 3.25 air miles NE of Honcut. Comment
  JEPS120961  Spergularia bocconi Lowell Ahart 2013-4-29 18656 Butte About 1/4 mile N of the Honcut Cemetery, about 3.25 air miles NE of Honcut, Comment
  JEPS120984  Elatine ambigua Lowell Ahart 2013-6-5 18723 Butte About 30 yards N of Lower Honcut road, about 1.75 miles W of Honcut. Comment
  JEPS120987  Stipa lemmonii var. lemmonii Lowell Ahart 2013-5-27 18714 Butte On E side of Black Bart Road, about 0.75 miles by road SW of intersection of Forbestown Road and Black Bart Road, about 3.5 air miles SW of Forbestown. Comment
  JEPS121903  Gnaphalium palustre Lowell Ahart 2014-7-10 19626 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir. Comment
  JEPS121946  Carex simulata Lowell Ahart 2014-7-7 19584 Butte In the east part of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir. Comment
  JEPS121973  Trifolium breweri Lowell Ahart 2014-7-7 19572 Butte South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir. Comment
  JEPS122071  Stipa occidentalis var. californica Lowell Ahart 2014-7-13 19655 Butte About 40 yards south of Philbrook Road, from the large meadow go west to the snow lake, go on about 40 yards to the ridge, about 1 mile (air) west of Philbrook Reservoir Comment
  JEPS122078  Carex vesicaria Lowell Ahart 2014-7-13 19668 Butte About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir Comment
  JEPS122153  Trifolium willdenovii Lowell Ahart 2014-5-2 19429 -A Butte About one mile northwest of Parking Area on the west side of Cherokee Road, about 8 miles (air) north of Oroville. (west of deep canyon, south of willow tops, extreme distance top of lone oak tree, north of deep drainage, fence, fence sigh, northwest top of Digger Pine). Comment
  JEPS122222  Sagina decumbens subsp. occidentalis Lowell Ahart 2014-4-26 19410 Butte On the south side of Butte City Highway (Highway 162), collected from the railroad to the east about 200 yards, east of the Rice Experiment Station. Comment
  JEPS122261  Rotala ramosior Lowell Ahart 2014-9-23 19866 Butte On the northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico. Comment
  JEPS122284  Elatine californica Lowell Ahart 2014-4-9 19349 Butte South of Rutherford Road, about 1/4 mile southeast of the headquarters of the Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley. Comment
  JEPS122287  Chamaesyce maculata Lowell Ahart 2014-8-24 19729 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS122291  Eriogonum nudum var. oblongifolium Lowell Ahart 2014-8-24 19727 -A Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS122318  Bergia texana Lowell Ahart 2014-8-31 19799 Butte On the west side of McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile southwest of the Enterprise Bridge across the South Fork of the Feather River, about 11 miles (air) east Oroville. Comment
  JEPS123821  Ceanothus integerrimus var. macrothyrsus Lowell Ahart 2015-4-18 20054 Butte About 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown. Comment
  JEPS123828  Spergularia marina Lowell Ahart 2015-4-24 20061 Butte About 1 1/4 miles north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley. Comment
  JEPS123875  Castilleja pruinosa Lowell Ahart 2015-4-30 20119 Butte About 1/4 mile south of Forbestown Reservoir Road, about 2 1/2 miles (air) northeast of Forbestown. Comment
  JEPS123886  Ranunculus pusillus Lowell Ahart 2015-5-5 20139 Butte About 400 yards south of Larkin Road Boat Lunch Area, near the Thermalito Afterbay, about 1 miles southwest of the Oroville Airport, about 6 miles (air) southwest of Oroville Comment
  JEPS123910  Elatine Lowell Ahart 2015-4-24 20074 Butte About 2 miles east of Pennington Road, Gray Lodge Wildlife Area, about 3 1/2 miles (air) southwest of Gridley. Comment
  JEPS124099  Rumex conglomeratus Lowell Ahart 2015-6-6 20204 Butte About 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville. Comment
  JEPS124146  Solanum americanum Lowell Ahart 2015-11-7 20631 Butte About 1/8 mile southwest of the parking area at the end of Old Highway Alternate 40, strand of Lake Oroville, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise. Comment
  JEPS124173  Arbutus menziesii Lowell Ahart 2015-3-14 19948 Butte Beastson Hollow, about 3/5 of a mile northwest of Cherokee Road, about 7 miles (air) north of Oroville. Comment
  JEPS124219  Trifolium Lowell Ahart 2015-3-27 19982 Butte About 1 mile (air) northwest of the improved parking area, North Table Mountain, about 8 miles north Oroville. Comment
  JEPS124220  Trifolium variegatum var. variegatum Lowell Ahart 2015-3-27 19973 Butte About 400 yards southeast of Coal Canyon Falls, about 1 1/2 miles (air) northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville. Comment
  JEPS124226  Castilleja affinis subsp. affinis Lowell Ahart 2015-3-21 19956 Butte About one mile south of Oregon City, about 4 1/2 miles north of the intersection of Cherokee Road and Oregon Gulch Road, about 8 miles north of Oroville. Comment
  JEPS124279  Symphyotrichum chilense var. chilense Lowell Ahart 2015-11-18 20657 Butte About 1 1/2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley. Comment
  JEPS124281  Azolla filiculoides Lowell Ahart 2015-11-18 20652 Butte About 2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley. Comment
  JEPS124288  Polystichum imbricans subsp. imbricans Lowell Ahart 2015-10-23 20581 Butte About 400 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  JEPS124297  Orobanche fasciculata Lowell Ahart 2015-4-13 20034 Butte About 2 1/2 miles (air) north of Jarbo Gap, about 17 miles (air) north of Oroville. Comment
  JEPS124351  Cyperus erythrorhizos Lowell Ahart 2015-10-26 20596 Butte About 1 mile (air) of southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise. Comment
  JEPS127249  Azolla microphylla Lowell Ahart 2016-9-4 21342 Butte Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles (air) south of Oroville. Comment
  JEPS87148  Polygonum douglasii subsp. douglasii Lowell Ahart 1992-7-29 6873 Butte about 1 mi ne Carr Mine (3/4 mi nw of Lotts Lake) 1798 Comment
  JEPS87163  Erigeron foliosus var. hartwegii Lowell Ahart 1992-5-9 6756 Butte along gulch about 1.25 mi w Oroville Dam; Lake Oroville Recreation Area, Oregon Gulch 91 Comment
  JEPS87378  Ammannia robusta Lowell Ahart 1993-7-13 7067 Butte ca. 1 1/2 mi. n. & 1 mi. e. Honcut (ca. 12 mi. s. of Oroville, Peter Ahart Ranch); Peter Ahart Ranch 36 Comment
  JEPS87480  Elymus stebbinsii Lowell Ahart 1993-6-26 7025 Butte ca. 1 mi. w. Lost Creek Reservoir (w. side of dirt rd., Mooreville Ridge); Mooreville Ridge 1188 Comment
  JEPS87529  Gnaphalium palustre Lowell Ahart 1993-7-6 7048 Butte on s side of dirt road about 1/4 mi w Lost Creek Reservoir 1036 Comment
  JEPS87530  Madia elegans Lowell Ahart 1993-6-20 6998 Butte about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat 1158 Comment
  JEPS87565  Polystichum imbricans subsp. curtum Lowell Ahart 1994-10-9 7561 Butte ca. 8 1/2 air mi n and 1 1/2 mi e of Feather Falls (n side of poor rd from Milsap Bar to Mountain Spring House, ca. 1 mi w of Mountain Spring House and the paved rd.) 1158 Comment
  JEPS87617  Eriogonum nudum var. oblongifolium Lowell Ahart 1994-10-16 7563 Butte about 3/4 mi sw along dirt road Forbestown Reservoir Dam (near creek, about 2 air mi n and 3 1/2 mi e of Forbestown); Woodleaf Creek 762 Comment
  JEPS87674  Sherardia arvensis Lowell Ahart 1994-4-22 7287 Butte about 3.5 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS88906  Lathyrus hirsutus Lowell Ahart 1994-6-6 7311 Butte about 3.5 mi (air) nw Oroville (n of the corral, on the n side of the bend in Cottonwood Road, about 0.25 mi w of Highway 70) 57 Comment
  JEPS88909  Rhamnus rubra Lowell Ahart 1994-6-5 7309 Butte about 3.5 mi sw Forbestown (s of the intersection of Black Bart Road and Forbestown Road) 609 Comment
  JEPS93810  Brodiaea sierrae Lowell Ahart 1998-7-19 8049 Butte about 2 1/2 air mi ne of Forbestown (on se side of dirt road to the Forbestown Reservoir, about 1 mi ne of Forbestown Road) 883 Comment
  JEPS93840  Viola purpurea subsp. quercetorum Lowell Ahart 1998-6-3 7974 Butte about 7 air mi n of Oroville (about 1/4 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 403 Comment
  JEPS93841  Clarkia arcuata Lowell Ahart 1998-6-3 7976 Butte about 7 air mi n of Oroville (about 1/4 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 403 Comment
  JEPS93847  Polypogon monspeliensis Lowell Ahart 1998-6-9 7991 Butte about 7 air mi n of Oroville (about 200 yards sw of the Ione oak tree, w of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 396 Comment
  JEPS93989  Crypsis schoenoides Lowell Ahart 1998-9-11 8061 Butte ca. 7 (air) mi. n. Oroville (on bottom of very large vernal pool ca. 0.75 mi. n.w. of the cattle chute on the w. side of Cherokee Rd., North Table Mt.); North Table Mt. 396 Comment
  JEPS94309  Symphyotrichum spathulatum var. spathulatum Lowell Ahart 1997-8-1 7784 Butte about 8 air mi ne of Stirling City (about 1/4 mi e of Table Mountain, near some small streamlets of Little Kimshew Creek in Snow Meadow); Snow Meadow 1524 Comment
  JEPS94327  Kelloggia galioides Lowell Ahart 1997-8-1 7802 Butte about 6 air mi ne of Stirling City (about 1 1/2 mi se of Bald Mountain, sw of Keyser Creek, on s side of the County Road); s side of the County Road 1432 Comment
  JEPS94824  Carex densa Lowell Ahart 1998-6-9 7989 Butte about 7 air mi n of Oroville (sw of the ione oak tree, nw of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 403 Comment
  JEPS95625  Calycadenia fremontii Lowell Ahart 1994-10-8 7551 Butte 1 mi e of Chico Bidwell Park; Chico, North Rim Trail 152 Comment
  JEPS95865  Hainardia cylindrica Lowell Ahart 1999-5-21 8067 Butte 50 yards north of Evans Reimer Road; about 7/8 mile east of Pennington Road; about 5 miles (air) southwest of Gridley 21 Comment
  JEPS95880 Image available Marsilea vestita subsp. vestita Lowell Ahart and Vernon H. Oswald 1999-10-3 8286 Butte 12 air miles SW of Chico (Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 2 mi SE of Ordbend) 32 Comment
  JEPS95881  Cyperus fuscus Lowell Ahart 1999-8-13 8181 Butte northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico 32 Comment
  JEPS95916  Chenopodium ambrosioides var. ambrosioides Lowell Ahart 1999-8-22 8183 Butte northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico 32 Comment
  JEPS95919  Cyperus acuminatus Lowell Ahart 1999-8-13 8142 Butte northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico 32 Comment
  JEPS95946  Lythrum tribracteatum Lowell Ahart 1999-5-21 8073 Butte on the east side of Evans Reimer Road; about 7/8 mile east of Pennington Road; about 5 miles (air) southwest of Gridley 21 Comment
  JEPS95949  Crypsis schoenoides Lowell Ahart 1999-8-13 8148 Butte northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico 32 Comment
  JEPS97334  Setaria parviflora Lowell Ahart 1995-8-19 7615 Butte 12 mi S of Oroville (Peter Ahart Ranch; E side of North Honcut Creek; 1 mi N and 2 3/4 mi E of Honcut) 36 Comment
  JEPS98417  Eleocharis acicularis Lowell Ahart 2000-6-5 8447 Butte On the N margin of a large wash, ca 100 yards W of the road crossing, Peter Ahart Ranch, ca 1 3/4 miles N and 1 1/4 miles E of Honcut, ca 12 miles (air) SE of Oroville. 36 Comment
  JEPS98510  Holcus lanatus Lowell Ahart 2000-7-17 8594 Butte On the west side of a small wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville. 45 Comment
  JEPS98523  Aristida oligantha Lowell Ahart 2000-9-17 8692 Butte About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  JEPS98541  Poa compressa Lowell Ahart 2000-6-29 8540 Butte On the west side of Concow Road at Flea Meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia. 1036 Comment
  JEPS98547  Eleocharis pachycarpa Lowell Ahart 2000-7-18 8597 Butte On the margins of a small pond, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville. 42 Comment
  JEPS98600  Eleocharis bolanderi Lowell Ahart 2000-6-4 8446 Butte about 3 1/2 mi (air) SW of Forbestown (small meadow S of intersection of Black Bart Rd and Forbestown Rd) 731 Comment
  JEPS98681  Lepidium pinnatifidum Lowell Ahart 2000-3-25 8325 Butte NE of Oroville Post Office (S side of the Ehmann Home) 36 Comment
  JEPS98687  Aristida dichotoma Lowell Ahart 2000-8-5 8624 Butte Above seeps on bare granite, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville. 1066 Comment
  JEPS98698  Sesbania punicea Lowell Ahart 2000-8-23 8660 Butte On the margins of a small pond, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville. 42 Comment
  JEPS98714  Crucianella angustifolia Lowell Ahart 2000-5-13 8354 Butte 5 mi SW of Oroville (Thermalito Afterbay, S side of access road to boat ramp, W of Larkin Road, 1 1/4 mi S of Oroville Airport) 42 Comment
  JEPS98722  Eleocharis rostellata Lowell Ahart 2000-6-21 8501 Butte In a large seep, on the west side of the dirt road at Parking Area L, just west of the Diversion Dam, Upper Bidwell Park, about 2 1/2 miles (air) northeast of Manzanita Avenue, Chico. 106 Comment
  JEPS98993  Myriophyllum spicatum Lowell Ahart 2001-6-3 8749 Butte On the west side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles SE of Oroville. 38 Comment
  JEPS99056  Polystichum imbricans subsp. imbricans Lowell Ahart 2002-6-21 9735 Butte 2 miles (air) NE of Bald Rock Dome; Watson Ridge; On a mountainside, Watson Ridge, about 2 miles (air) NE of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town). 1086 Comment
  NY30087  Taxus brevifolia L. Ahart 1983-9-21 4460 Butte This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA0039299  Artemisia douglasiana Lowell Ahart 2008-7-23 15150 Butte On the north side of Ponderosa Way, north of the waterfall, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown. 482 Comment
  RSA0047111  Cinna latifolia L. Ahart 2006-8-15 13191 Butte On the east side of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1570 Comment
  RSA0076091  Cotoneaster pannosus L. Ahart 2009-5-30 15802 Butte On the south side of Ten Mile House Road, Upper Bidwell Park, about 1/2 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 311 Comment
  RSA0081667  Eriogonum nudum var. oblongifolium L. Ahart 2010-9-12 17149 Butte Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 0.25 air miles northwest of the Ponderosa Dam. 243 Comment
  RSA0085003  Streptanthus longisiliquus L. Ahart 2006-7-11 12939 Butte 50 yards south of Humboldt Road, about 1.5 miles (air) southwest of Butte Meadows. 1436 Comment
  RSA0106562  Euphorbia serpillifolia subsp. serpillifolia Lowell Ahart 2014-9-23 19877 Butte On the northeast part of Horeshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico. 89 Comment
  RSA0106686  Glinus lotoides Lowell Ahart 2014-9-23 19869 Butte Northeast part of Horsehoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico. 89 Comment
  RSA0115349  Carex multicaulis Lowell A. Ahart 2013-5-27 18709 Butte About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3.25 miles (air) southwest of Forbestown. 764 Comment
  RSA0116252  Mimulus moschatus Lowell A. Ahart 2014-7-2 19538 Butte On the south side of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls. 1260 Comment
  RSA0117081  Castilleja lacera Lowell Ahart 2015-5-27 20193 Butte About 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) east of Oroville. 752 Comment
  RSA0118725  Veronica anagallis-aquatica Lowell A. Ahart 2014-4-25 19401 Butte On the west side of Richvale South Highway, south of the intersection of Richvale West Road and Richvale South Highway, Richvale. 31 Comment
  RSA384184  Abies concolor L. Ahart, Peter Ahart 1984-9-26 4812 Butte South Fork of the Feather River, near the new bridge 1 mile N of Golden Trout Crossing and 18 miles [10 road miles] E of Feather Falls [community]. 700 Comment
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Apr 30 2014
  RSA712864  Juncus leiospermus var. leiospermus L. Ahart 2006-5-8 12604 Butte About 1 1/2 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 340 Comment
  RSA712952  Vulpia microstachys var. ciliata L. Ahart 2006-5-10 12619 Butte Bardees Bar Road, about 100 yards north of poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of pulga. 355 Comment
  RSA715475  Trifolium willdenovii L. Ahart 2005-5-11 11794 Butte South part of North Table Mountain, about 200 yards northwest of the poor dirt road off of Cherokee Road, about 200 yard south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville 359 Comment
  RSA715575  Lathyrus jepsonii subsp. californicus L. Ahart 2005-4-14 11699 Butte East of the railroad tracks, north of Spruce Street, Gridley. 28 Comment
  RSA716799  Limnophila L. Ahart 2005-8-28 12336 Butte On the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Road. 29 Comment
  RSA718076  Elymus trachycaulus subsp. subsecundus L. Ahart 2006-7-16 12999 Butte on northwest edge of Willow Creek, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1516 Comment
  RSA718079  Ranunculus occidentalis var. ultramontanus L. Ahart 2006-7-16 12997 Butte NW edge of Willow Creek, 3/4 airmile NW of Jonesville, 5 airmiles NE of Butte Meadows. 1516 Comment
  RSA718082  Bromus vulgaris L. Ahart 2006-7-16 12975 Butte about 220 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. West edge of a large wet meadow and bog, 1570 Comment
  RSA718335  Streptanthus tortuosus L. Ahart 2006-6-9 12647 Butte On the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga. 404 Comment
  RSA718385  Melica aristata L. Ahart 2006-6-24 12861 Butte On the W side of the dirt road (Ponderosa Way) at an intersection, a gated road goes NW, on Cohasset Ridge, about 3.75 miles (air) NE of Cohasset. 1128 Comment
  RSA724878  Polygonum persicaria L. Ahart 2006-9-11 13290 Butte South edge of the North Fork of the Feather River, north side of highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 air miles northeast of Oroville. 432 Comment
  RSA725009  Equisetum hyemale var. affine L. Ahart 2006-9-13 13323 Butte South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of highway 70, about 2 3/4 miles northeast of pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  RSA725027  Salix lasiolepis var. lasiolepis L. Ahart 2006-8-9 13147 Butte N side and 30 yards W of bridge across Stony Creek. Just N of Stonyford. 348 Comment
  RSA725036  Lycopus americanus L. Ahart 2006-9-13 13320 Butte South edge of the North Fork of the Feather River, about 50 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville. 437 Comment
  RSA726433  Bidens frondosa L. Ahart 2007-11-3 14570 Butte About 3/4 mile east of the Power House below Kuncke Reservoir, about 1.25 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 259 Comment
  RSA726483  Quercus berberidifolia L. Ahart 2007-4-30 13707 Butte About 2 miles northwest of Concow Creek, about 2 miles northwest of Concow Reservoir. 484 Comment
  RSA726658  Juncus effusus subsp. pacificus L. Ahart, L. P. Janeway, Linnea Hanson 2007-7-13 14301 Butte About 30 yards east of a poor dirt road, about 1 1/2 milea (air) northeast of Clipper Mills. 1046 Comment
  RSA726779  Trifolium microcephalum L. Ahart 2007-4-30 13709 Butte About 2 miles northwest of Concow Creek, about 2 miles northwest of Concow Reservoir. 484 Comment
  RSA727521  Juncus usitatus L. Ahart 2007-7-31 14401 Butte On the north side of Highway 162, at the intersection of Highway 162 and Wickman Road, about 3 miles (air) southwest of Richvale. 26 Comment
  RSA754449  Salix gooddingii L. Ahart 2009-6-3 15827 Butte Along a small stream, meadow, about 50-55 yards SE of the gate, about 40-45 yards E of Ten Mile House Road, Upper Bidwell Park, about 3/4 air miles W of Highway 32, about 10 miles NE of Chico. 270 Comment
  RSA754851  Collinsia tinctoria L. Ahart 2009-5-30 15785 Butte About 100 yards north of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 0.5 mile (air) west of Highway 32, about 10 miles northeast of Chico. (GPS) 269 Comment
  RSA754857  Cercis occidentalis L. Ahart 2009-4-26 15620 Butte About 120 yards SW of Ten Mile House Road, Upper Bidwell Park, about 1/2 air miles SW of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico. 287 Comment
  RSA754860  Trifolium bifidum var. bifidum L. Ahart 2009-4-26 15627 Butte About 120 yards SW of Ten Mile House Road, Upper Bidwell Park, about 1/2 air miles SW of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico. 287 Comment
  RSA754861  Lupinus bicolor subsp. tridentatus L. Ahart 2009-4-26 15619 Butte About 120 yards SW of Ten Mile House Road, Upper Bidwell Park, about 1/2 air miles SW of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico. 287 Comment
  RSA754885  Carex gracilior L. Ahart 2009-6-18 15911 Butte 60 yards W of the dredger piles along N Honcut Creek, about 2.5 miles N and 2.75 miles E of Honcut, about 12 miles SE of Oroville. 59 Comment
  RSA754948  Aira caryophyllea L. Ahart 2008-5-12 14740 Butte Lake Oroville, on the east side of Sucker Creek, about 40-100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam. 258 Comment
  RSA754953  Malva nicaeensis L. Ahart 2009-6-12 15840 Butte 10-50 yards north of the Bear s Lair Picnic Area and Coastal Redwood Grove sign, about 80-130 yards east of Cedar Grove, Lower Bidwell park, Chico. 67 Comment
  RSA755366  Trichostema lanceolatum L. Ahart 2009-9-13 16405 Butte On the bottom of a large wash, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 air miles south of Oroville. 30 Comment
  RSA755369  Euthamia occidentalis L. Ahart 2009-10-8 16413 Butte On the south edge of a deep large ditch on the north side of the road, about 20 yards northeast of Parking Lot 12, Gray Lodge Waterfowl Management Area, about 7 air miles southwest of Gridley. 20 Comment
  RSA755422  Juglans californica var. hindsii L. Ahart 2009-8-3 16252 Butte North side of Ten Mile House Road, Upper Bidwell Park, about 3/8 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico. 380 Comment
  RSA795884  Epilobium foliosum L. Ahart 2012-6-2 18141 Butte South edge of Truex Road, about 40 yards east of the intersection of Truex Road and Trevor Road, about 1/8 miles northwest of the West Branch Bridge across Lake Oroville. 307 Comment
  SBBG119953  Trifolium willdenovii L. Ahart 2004-4-4 10723 Butte ca. 300 yards E of Wilber Rd, SE of the high hill crossed by Wilber Rd, SE of the wash, ca. 3 mi (air) W of Thermalito 48 Comment
  SBBG121216  Ceanothus diversifolius L. Ahart 2007-7-10 14283 Butte N side of USFS Rd 21N31Y, ca. 0.6 mi W of Bald Rock Rd, ca 17 mi NE of Oroville 1032 Comment
  SBBG128060  Danthonia californica L. Ahart 2010-9-21 17230 Butte N side of a poor dirt rd, ca. 1 mi NE of Jones Meadow, ca. 2.5 mi SE of Philbrook Reservoir 1899 Comment
  SD130961  Carex aurea Lowell Ahart 1981-8-15 3046 Butte Sierra Nevada; southeast of Snag Lake (about 3 miles south of Jonesville); 1 mile east of Coon Hollow Road. 1500 Comment
  SEINET12765120  Trifolium obtusiflorum Lowell Ahart 2006-9-28 13370 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.; 0 445 Comment
  SEINET13711416  Heliotropium europaeum Lowell William Ahart, Lowell William Ahart 1999-1 8163 Butte 12 Air Mi SW Chico, 2 Mi SE Ordbend, Sacramento River Comment
  SEINET3450774  Distichlis spicata Lowell Ahart, Josephine Guardino, Steve Green 2003-5-27 10223 Butte Chico, Chico, about 3.5 miles east of Manzanita Avenue, about 100 yards west of the dirt road, west of Diversion Dam on Big Chico Creek, west of Parking area L, Upper Bidwell Park 120 Comment
  SEINET3450900  Triodanis perfoliata Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2003-5-27 10219 Butte Chico, Chico, Upper Bidwell Park, about 3.5 miles east of Manzanita Avenue, about 150 yards west of Bear Hole, just north of Parking Area J, just above the Iahi Trail on the water ditch, just south of a mall drainage 120 Comment
  SEINET3923094  Bromus laevipes Lowell Ahart, Peter Ahart 1984-6-10 4699 Butte About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest.; 0 700 Comment
  SEINET6635801 Image available Epilobium brachycarpum Lowell Ahart 1985-10-12 5201 Butte end of Nelson Bar Road, ca. 1 mi S on Kunkle Reservoir, ca. 3 mi S of Paradise; near boat ramp 302 Comment
  SEINET7562437 Image available Carex integra Lowell Ahart 2006-8-15 13175 Butte About 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  UC1485925  Achnatherum stillmanii Lowell Ahart 1980-9-10 2626 Butte ca. 0.1 mi e Little Bald Rock (ne of Oroville) 1100 Comment
  UC1509634  Polygonum hydropiperoides L. Ahart 1982-8-22 3748 Butte ca 3 mi ne Honcut; Peter Ahart Ranch, North Honcut Creek 50 Comment
  UC1562293  Eragrostis pilosa var. pilosa Lowell Ahart 1990-7-15 6558 Butte about 0.25 mi nw Enterprise Bridge across Lake Oroville (e of the Enterprise Boat Launch Area); Lake Oroville 243 Comment
  UC1562411  Amaranthus deflexus Lowell Ahart 1990-5-28 6499 Butte about 2.5 mi ne East Gridley (along the edges of Palm Avenue, e of Larkin Road) 30 Comment
  UC1562417  Agrostis exarata Lowell Ahart 1990-5-21 6475 Butte 1/4 mi s, 4/10 mi w of Pacific Heights Road, 4 1/2 mi sw of Oroville Feather River 30 Comment
  UC1562423  Centaurium muehlenbergii Lowell Ahart 1990-6-16 6511 Butte on the e side Forbestown Reservoir (at the Forbestown Generator, on the e side of the dirt road) 487 Comment
  UC1562447  Silene antirrhina Lowell Ahart 1990-4-28 6469 Butte in the borrow area about 1/4 mi s Feather River ( about 4/10 mi w of Pacific Heights Road, about 4 1/2 mi sw of Oroville); s of the Feather River 30 Comment
  UC1563272  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1990-10-21 6637 Butte 1/2 mi W of Gold Flat (Lake Oroville, about 1 mi N of Nelson Bar Road) 213 Comment
  UC1563286  Stachys pycnantha Lowell Ahart 1990-10-3 6615 Butte East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/4 mi northeast of the Canyon Creek Bridge across Lake Oroville. 259 Comment
  UC1563289  Polygonum punctatum Lowell Ahart 1990-10-3 6620 Butte about 1/4 mi ne Canyon Creek Bridge across lake; Lake Oroville, East Fork of Canyon Creek 259 Comment
  UC1586554  Lythrum tribracteatum Lowell Ahart 1991-5-20 6655 Butte about 10 mi sw of Gridley (about 1/4 mi w of Pennington Road, on n side of Rutherford Road, Gray Lodge Waterfowl Management Area); Gray Lodge Waterfowl Management Area, Rutherford Road 19 Comment
  UC1594526  Cryptogramma acrostichoides Lowell Ahart 1992-7-26 6837 Butte ca. 1/2 mi n Carr Mine (ca. 2 air mi s of Snow Mt, s side of Coon Hollow) 1737 Comment
  UC1594530  Carex nudata Lowell Ahart 1992-4-7 6744 Butte about 1 1/4 mi w Biggs (on s side of the Biggs Princeton Road) 30 Comment
  UC1594531  Rorippa palustris Lowell Ahart 1992-4-7 6745 Butte on s side Biggs Princeton Road about 3 mi w Biggs; w of Biggs 30 Comment
  UC1594537  Pseudognaphalium californicum Lowell Ahart 1992-8-2 6910 Butte about 0.5 mi n of Flea Valley (about 4.5 mi (air) ne of Concow Reservoir, e of the intersection) 1158 Comment
  UC1594555  Leersia oryzoides Lowell Ahart 1992-9-9 6919 Butte about 1/2 mi se of Kunkle Reservoir (below the high water line of Lake Oroville); Lake Oroville 243 Comment
  UC1594565  Juncus bufonius var. occidentalis Lowell Ahart 1992-7-29 6882 Butte ca. 3/4 mi. n.w. Lotts Lake (ca. 1 mi. n.e. of Carr Mine) 1798 Comment
  UC1594580  Trifolium campestre Lowell Ahart 1992-5-9 6750 Butte ca 2 mi w Oroville Dam (n side of the Thermalito Diversion Pool, near Longs Bar Monument); Lake Oroville Recreation Area 76 Comment
  UC1594581  Erigeron foliosus var. hartwegii Lowell Ahart 1992-5-9 6756 Butte along gulch about 1.25 mi w Oroville Dam; Lake Oroville Recreation Area, Oregon Gulch 91 Comment
  UC1594610  Plantago elongata Lowell Ahart 1992-3-28 6740 Butte e side Oroville Dam (on the s side of the spillway of Oroville Dam) 274 Comment
  UC1594623  Ranunculus sardous Lowell Ahart 1992-5-9 6751 Butte Thermalite Diversion Pool Lake Oroville Recreation Area (n side, near Longs Bar Monument, about 2 mi w of Oroville Dam) 76 Comment
  UC1609052  Navarretia divaricata Lowell Ahart 1993-7-29 7125 Butte 6.5 mi ne Stirling City (2.5 mi ne of Bald Mountain, .12 mi n of the Snow Mine, on the e side of an old water ditch for gold mining) 1676 Comment
  UC1609062  Nemacladus capillaris Lowell Ahart 1993-6-20 6996 Butte about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat 1158 Comment
  UC1609078  Lotus oblongifolius Lowell Ahart 1993-6-26 7009 Butte about 0.25 mi w Lost Creek Reservoir (on the n side of the dirt road) 1036 Comment
  UC1609276  Trifolium wormskioldii Lowell Ahart 1993-7-22 7084 Butte w of the bridge across Fall River; ca 6 air mi ne of Feather Falls 1036 Comment
  UC1609282  Lythrum tribracteatum Lowell Ahart 1993-5-15 6938 Butte about 2 mi w of Biggs (on n side of Biggs Princeton Road); Biggs Princeton Road 30 Comment
  UC1609300  Eucephalus breweri Lowell Ahart 1993-9-8 7158 Butte about 1 mi e Snow Mountain (n side of ridge) 2072 Comment
  UC1609326  Cryptantha affinis Lowell Ahart 1993-7-31 7140 Butte about 2 mi se Bald Mountain (ne of Stirling City, on w side of a poor dirt road that leads to a camp, just w of where the dirt road crosses Big Kimshew Creek) 1493 Comment
  UC1609330  Stellaria crispa Lowell Ahart 1993-10-3 7268 Butte about 2 mi ne Coyote Gap (w branch of Wildcat Creek, on the s side) 1402 Comment
  UC1609331  Stellaria longipes var. longipes Lowell Ahart 1993-7-23 7111 Butte about 6 air mi ne Feather Falls (e side of Fall River, e of campgrounds on large gravel bar along Fall River); Fall River 1036 Comment
  UC1609337  Carex nudata Lowell Ahart 1993-4-8 6932 Butte about 1 1/4 mi w Biggs (on s side of the Biggs Princeton Road) 30 Comment
  UC1609387  Trifolium fragiferum Lowell Ahart 1993-11-1 7272 Butte ca 3 1/4 mi nw Biggs (Rice Experiment Station, s side of Butte City Hwy, e of Southern Pacific RR, w of Riceton) 30 Comment
  UC2026883  Solanum jasminoides Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino 2012-4-16 17870 Butte Between the edge of the paved road and the back of a home, east of the Deer Pen, between Table 12 & 13, Lower Bidwell Park, Chico. Comment
  UCD137808  Aristolochia californica L. Ahart 1974-3-8 310 Butte Peter Ahart Ranch, Honcut. 45 Comment
  UCD169354  Helminthotheca echioides Lowell Ahart 2012-6-21 18221 Butte About 15 yards east of the Freeway, south of Big Chico Creek, Lower Bidwell Park Chico. 62 Comment
  UCD55884  Alopecurus carolinianus L. Ahart 1977-4-19 s.n. Butte Honcut, Peter Ahart Ranch. 50 Comment
  UCSC010324  Trifolium depauperatum Lowell Ahart 2015-3-27 19981 Butte about 3/8 mile northeast of Coal Canyon Falls, about 1/8 miles northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville 389 Comment
  UCSC010675  Trifolium phaeocephalum Lowell Ahart 2015-3-27 19973 Butte 400 yards southeast of Coal Canyon Falls, about 1 1/2 miles northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville 398 Comment
  CAS-BOT-BC114075  Cyperus squarrosus Lowell Ahart 1983-9-17 4431 Butte Ca 1/8 mi NE of Kunkle Res., south of Paradise. 600 Comment
  CAS-BOT-BC114223  Cyperus flavescens Lowell Ahart 1981-9-6 3123 Butte Arch Rock Tunnel, Feather River Highway. 500 Comment
  CAS-BOT-BC133513  Iris Lowell Ahart 1980-5-29 2360 Butte 2 1/2 mi. north-east of Mountain House, about 50 m. E of the Oroville Quincy Highway 1100 Comment
  CAS-BOT-BC261714  Eriogonum nudum var. oblongifolium Lowell Ahart 1989-7-4 6365 Butte South of Oregon Gulch Road, about 1/4 mile north-west of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville 335 Comment
  CAS-BOT-BC263837  Viola Lowell Ahart 1988-3-8 5928 Butte Peter Ahart Ranch, about 1.5 miles N and 1 mile E of Honcut, about 12 miles S of Oroville 38 Comment
  CAS-BOT-BC279775  Chamaemelum fuscatum Lowell Ahart 1989-3-20 6193 Butte West of the intersection of Highway 70 and Lower Honcut Road, about 3 miles west of Honcut, about 13 miles south of Oroville 30 Comment
  CAS-BOT-BC334597  Leucanthemum vulgare Lowell Ahart 1987-5-27 5692 Butte Along the North Fork of teh Feather River near the Poe Power House about 2 miles south-east of Jarbo Gap 271 Comment
  CAS-BOT-BC356391  Pseudognaphalium beneolens Lowell Ahart 1986-10-16 5404 Butte About 1 mile south-west of and near the Ponderosa Dam, about 3 miles north-west of Forbestown 457 Comment
  CAS-BOT-BC356393  Pseudognaphalium beneolens Lowell Ahart 1983-9-17 4435 Butte Below the dirt road and about 2 1/2 miles south of Stirling City 1100 Comment
  CAS-BOT-BC357589  Pseudognaphalium stramineum Lowell Ahart 1980-5-4 2184 Butte Thermalito 65 Comment
  CAS-BOT-BC364549  Senecio vulgaris Lowell Ahart 1969-3-27 s.n. Butte Peter Ahart Ranch, Honcut 150 Comment
  CAS-BOT-BC384422  Silene coronaria Lowell Ahart 1983-7-29 4229 Butte About 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville 500 Comment
  CAS-BOT-BC400824  Hypericum anagalloides Lowell Ahart 1981-8-31 3055 Butte Along Black Bart Road, Forbestown 750 Comment
  CAS-BOT-BC418951  Persicaria lapathifolia Lowell Ahart 1982-10-15 3899 Butte On the bottom of North Honcut Creek, about 1 mile north and 2 and 3/4 miles east of Honcut 50 Comment
  CAS-BOT-BC433476  Rumex dentatus Lowell Ahart 1981-5-16 2804 Butte Gray Lodge, 11 miles southwest of Gridley. Gray Lodge Waterfowl Management Area. 35 Comment
  CAS-BOT-BC441207  Luzula macrantha Lowell Ahart 1988-3-27 5940 Butte Aboaut 1/10 mile N of the bridge across the North Fork of the Feather River, about 2 miles SE of Jarbo Gap 335 Comment
  CAS-BOT-BC487507  Calochortus albus Lowell Ahart 1980-4-21 2097 Butte Peter Ahart Ranch, Honcut 50 Comment
  CAS-BOT-BC489922  Calochortus leichtlinii Lowell Ahart 1982-6-4 3551 Butte About 8 miles east of Feather Falls. 304 Comment
  CAS-BOT-BC496965  Camassia leichtlinii subsp. suksdorfii Lowell Ahart 1982-6-1 3528 Butte A little south of the intersection of Black Bart Road and Forbestown Road, west of Forbestown 750 Comment
  CAS-BOT-BC536250  Horkelia tridentata var. tridentata Lowell Ahart 1985-5-15 5001 Butte 1/8 mile east of the dirt road, 1 1/2 miles north-east of Concow Res. 800 Comment
  CAS-BOT-BC60824  Planodes virginica Lowell Ahart 1985-3-14 4846 Butte Peter Aharts Ranch, about 1.5 mile north and 1 mile east of Honcut, about 12 miles south of Oroville. 50 Comment
  CAS-BOT-BC68689  Athyrium filix-femina var. californicum Lowell Ahart 1982-9-13 3811 Butte Along Pinkard Creek, about 1/8 mile north of the Lost Creek Res. Dam, about 2 and 1/8 miles north-west of Strawberry Vly 1100 Comment
  CAS-BOT-BC77082  Pentagramma triangularis subsp. triangularis Lowell Ahart 1980-3-16 2044 Butte Honcut, Peter Ahart Ranch 50 Comment
  CAS-BOT-BC89881  Lepidium nitidum Lowell Ahart 1979-4-14 s.n. Butte Peter Ahart Ranch. Honcut. 50 Comment
  CAS-BOT-BC98328  Symphyotrichum subulatum var. parviflorum Lowell Ahart 1982-9-9 3767 Butte Gray Lodge, SW of Gridley - sides of a deep ditch, about 100 meters north of the Check-in-Station, Gray Lodge, 35 Comment
  CDA2788  Polygonum hydropiper L. Ahart, Vernon Oswald 1999-10-3 8293 Butte Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. Comment
  CDA38954  Eleocharis acicularis var. acicularis L. Ahart 2000-9-15 8690 Butte North of a large pond on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. Comment
  CDA4211  Melilotus officinalis L. Ahart 2001-6-13 8817 Butte On the sides of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley. Comment
  CHSC10666  Hosackia incana Lowell Ahart 1970-5-19 Butte Four miles N. E. of Stirling City. 1066 Comment
  HSC93373  Trifolium gracilentum var. gracilentum L. Ahart 1995-5-30 7580 Butte N Table Mtn., about 7 mi. N of Oroville, about 2 mi. NW of Cherokee Rd., 1/10 mi. SE of the reservoir. 305 Comment
  JEPS104423  Pedicularis racemosa Lowell Ahart 2003-8-26 10543 Butte On the w side of the dirt road, w of where Pinkard Creek flows into the Lost Creek Reservoir, ca 3/8 mi n of the Lost Creek Reservoir Dam, 1 1/8 mi (air) sw of the Sly Creek Reservoir Dam. 996 Comment
  RSA325884  Lupinus andersonii var. andersonii L. Ahart, P. Ahart 1983-7-29 4250 Butte Ca. 3 mi e of Milsap Bar, ca. 25 mi ne of Oroville. 1100 Comment
  RSA392754  Chorizanthe membranacea L. Ahart 1984-6-8 4678 Butte Along the dirt road near the water tower, above the generator, ca. 1 mile E of Ponderosa Dam, ca. 2 miles N of Forbestown. 475 Comment
  RSA401578B  Monardella lanceolata var. lanceolata L. Ahart 1984-5-28 4652 Butte On a large road cutbank along Hwy 40, now called Dark Canyon Rd, ca. 2 mi E of Old Yankee Hill, ca 16 mi NE of Oroville. 450 Comment
  RSA448320  Clarkia purpurea subsp. viminea L. Ahart, Peter Ahart 1984-5-28 4650 Butte On a large road cutbank along Highway 40, now called Dark Canyon Road, ca. 2 miles E of Old Yankee Hill, ca. 16 miles NE of Oroville. 450 Comment
  SBBG121270  Galium bolanderi L. Ahart, L. Janeway 2007-7-10 14284 Butte N side of USFS Rd 21N31Y, ca. 0.6 mi W of Bald Rock Rd, ca. 17 air mi NE of Oroville 1032 Comment
  SBBG128082  Sidalcea calycosa subsp. calycosa L. Ahart 2009-5-23 15764 Butte W side of Guardians Trail, just NW of Pine Trail, Upper Bidwell Park, ca. 3/8 mi SW of intersection of Hwy 32 and Ten Mi House Rd 381 Comment
  SBBG128720  Erigeron philadelphicus var. philadelphicus L. Ahart 2012-5-25 18114 Butte NW of intersection of W Frances Willard Avenue and Arcadian Avenue, one block S of Chico High School, Chico 59 Comment
  SBBG128726  Hypericum anagalloides L. Ahart 2011-7-9 17575 Butte seeps, SE edge of large open bare granite area, ca. 3.8 mi NE of Little Bald Rock, ca. 2 mi (air) SE of Brush Crk, ca. 15 mi (air) NE of Oroville 974 Comment
  SBBG128797  Cyperus iria L. Ahart 2012-10-5 18476 Butte S edge of parking area at the restroom, end of rd to the Larkin Rd Boat Launch Area, ca. 0.25 mi W of Larking Rd, ca. 2 mi (air) SW of the Oroville Airport 28 Comment
  SEINET10448517  Streptanthus polygaloides Lowell Ahart 1985-5-15 Ahart 4975 Butte West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill, N of Oroville. Comment
  SEINET10452614  Lupinus albicaulis Lowell Ahart 1985-5-10 Ahart 4949 Butte East branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam. Comment
  SEINET10454502  Lomatium marginatum Lowell Ahart 1985-4-24 Ahart 4884 Butte Along the steep sides of North Honcut Creek, Peter Ahart Ranch, about 1 and 1/4 miles north and 3 miles east of Honcut, about 12 miles south of Oroville. Comment
  SEINET10454550  Perideridia lemmonii Lowell Ahart 1985-8-11 Ahart 5160 Butte Peter Ahart Ranch about 1 mile north and 3 miles east of Honcut, about 12 miles south of Oroville. Comment
  SEINET10454551  Perideridia lemmonii Lowell Ahart, Peter Ahart 1985-7-9 Ahart 5112 Butte About 8 miles north-east of Feather Falls. Comment
  SEINET10454597  Sphenosciadium capitellatum Lowell Ahart 1985-7-9 Ahart 5108 Butte About 1 mile south of the Ponderosa Dam Across the South Fork of the Feather River, about 3 miles north-west of Forbestown. Comment
  SEINET10454777  Torilis heterophylla Lowell Ahart, Peter Ahart 1983-6-26 Ahart 4111 Butte T21N R5E se/se sec 32. Ca. 1/8 mi e of jct of Oroville-Quincy Hwy & Ponderosa Way (Big Ridge Rd), ca. 15 mi ne of Oroville. Foothill Woodland. 500 Comment
  SEINET10467275  Scirpus koilolepis Lowell Ahart, Peter Ahart 1983-6-12 Ahart 4048 Butte T20N R5E n half sec 36. Ca. 1 mi s of Crystal Hill, n of Oregon Gulch, near Lake Oroville, ca. 7 mi sw of Feather Falls. Yellow Pine Forest. Comment
  SEINET10469608  Calochortus tolmiei Lowell Ahart 1985-5-15 Ahart 5000 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow of Reservoir. Comment
  SEINET10470231  Pellaea brachyptera Lowell Ahart 1985-6-17 Ahart 5053 Butte Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls. Comment
  SEINET10470286  Cheilanthes covillei Lowell Ahart 1983-5-28 Ahart 4024 Butte Along trail to Feather Falls, ca. 5 mi n of the town of Feather Falls. Yellow Pine Forest; 600 m. 600 Comment
  SEINET10470595  Dryopteris arguta Lowell Ahart, Peter Ahart 1983-6-30 Ahart 4171 Butte T21N R4E ne sec 11. Dark Canyon, along old Hwy 40, ca. 4 mi s of Jarbo Gap, ne of Oroville. Foothill Woodland; 350 m. 350 Comment
  SEINET10471411  Thelypteris nevadensis Lowell Ahart, Peter Ahart 1983-7-29 Ahart 4222 Butte T21N R6E sec 10? Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Yellow Pine Forest; 750 m. 750 Comment
  SEINET10471638  Taxus brevifolia Lowell Ahart 1987-5-22 Ahart 5682 Butte On damp white soil, near a small bog or meadow, near the dirt road, about 1/8 mile north-east of Camp 18, about 6 1/2 miles nort-east of Feather Falls. 1219 Comment
  SEINET10471671  Torreya californica Lowell Ahart 1987-5-9 Ahart 5585 Butte Along Pulga Road, about 0.25 m W of Bardees Bar along the North Fork of the Feather River, about 2.5 miles south-west of Pulga. Yellow Pine Forest. Uncommon, on dry broken serpentine along a wash. Comment
  SEINET10471990  Allium peninsulare Lowell Ahart 1985-5-15 Ahart 5003 Butte 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow of Reservoir. Comment
  SEINET10472284  Juncus ensifolius Lowell Ahart, Peter Ahart 1983-7-29 Ahart 4223 Butte T21N R6E sec 10? Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Yellow Pine Forest; 750 m. 750 Comment
  SEINET10472784  Odontostomum hartwegii Lowell Ahart 1985-5-15 Ahart 4980 Butte West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill, N of Oroville. Comment
  SEINET10474107  Artemisia douglasiana Lowell Ahart 1990-10-3 Ahart 6625 Butte On the bottom of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/4 mile north-east of the Canyon Creek Bridge across Lake Oroville. Foothill Woodland (destroyed). T20N R5E SW/S16. 259 Comment
  SEINET10474621  Erigeron foliosus var. hartwegii Lowell Ahart, Peter Ahart 1983-7-24 Ahart 4211 Butte T20N R7E ne sec 32. At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. Yellow Pine Forest; 450 m. 450 Comment
  SEINET10479079  Chenopodium pumilio Lowell Ahart, Peter Ahart 1984-7-19 Ahart 4744 Butte About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City. Comment
  SEINET10483826  Cotoneaster pannosus Lowell Ahart 1991-6-19 Ahart 6661 Butte Along the Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd. East, southwest of Oroville Dam. Foothill Woodland. T19N R4E c/s/S2. 213 Comment
  SEINET10500613  Crucianella angustifolia Lowell Ahart 1984-6-8 Ahart 4681 Butte Along the edge of the dirt road, the road forks here and one goes to Feather Falls and the other to Lumpkin Ridge Rd, ca. 3 mi NE of Ponderosa Dam, ca. 3 mi N of Forbestown; Yellow Pine Forest. 500 Comment
  SEINET10508324  Polypogon interruptus Lowell Ahart 1983-6-15 Ahart 4057 Butte Peter Ahart Ranch, ca. 2.5 mi ne of Honcut. Foothill Woodland; 50 m. Along the edges of North Honcut Creek. 50 Comment
  SEINET10508561  Agrostis diegoensis Lowell Ahart, Peter Ahart 1983-6-21 Ahart 4091 Butte T21N R5E sec 31. Along Bloomer Hill Rd, ca. 1.3 mi w of Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 450 m. 450 Comment
  SEINET10535997  Thalictrum polycarpum Lowell Ahart 1985-5-10 Ahart 4954 Butte East branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam. Comment
  SEINET10537547  Velezia rigida Lowell Ahart 1985-5-6 Ahart 4933 Butte Along Table Mountain Boulevard, south of the Cambell Overflow, 1/2 mile south of the inter- section of Highway 70 and 149, about 7 miles north of Oroville. Comment
  SEINET10537640  Stellaria nitens Lowell Ahart, James D. Jokerst 1985-3-24 Ahart 4862 Butte West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill. Comment
  SEINET10559487  Festuca subulata Lowell Ahart 1981-9-15 Ahart 3159 Butte On moist soil on the sides of Pinkard Creek, ca. 0.5 mi N of the Lost Creek Reservoir. County Record. 1100 Comment
  SEINET10790510  Alopecurus carolinianus Lowell Ahart 1990-4-15 Ahart 6450 Butte Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville. T19N R6E nw/S6. Foothill woodland (destroyed). Carolina Foxtail. 290 Comment
  SEINET10838855  Alnus rhombifolia Lowell Ahart 1985-1-27 Ahart 4837 Butte Kunkle Res., about 2 miles south of Paradise. Comment
  SEINET10839518  Azolla filiculoides Lowell Ahart, James D. Jokerst 1985-3-24 Ahart 4850 Butte On shallow water in the ditch south of Highway 70, at the intersection of Highway 70 and 191. Comment
  SEINET10846779  Agrostis avenacea Lowell Ahart 1990-5-25 Ahart 6492 Butte Below the high water line of Lake Oroville, E of the Enterprise Boat Launch Area. About 1/8 mile NW of the Enterprise Bridge across Lake Orovilla. T19N R6E nw/S6. Foothill Woodland (destroyed). 259 Comment
  SEINET10873897  Daucus pusillus Lowell Ahart 1985-5-15 Ahart 4985 Butte East of the dirt road, about 1 1/2 miles north-east of Concow Reservoir. north-east of Oroville. Comment
  SEINET10904729  Dicentra formosa Lowell Ahart, Peter Ahart 1984-6-10 Ahart 4710 Butte About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m. 700 Comment
  SEINET10905684  Scirpus setaceus Lowell Ahart, Peter Ahart 1983-6-12 Ahart 4047 Butte T20N R5E n half sec 36. Ca. 1 mi s of Crystal Hill, n of Oregon Gulch, near Lake Oroville, ca. 7 mi sw of Feather Falls. Yellow Pine Forest. Comment
  SEINET10906090  Heterocodon rariflorum Lowell Ahart 1973-5-29 Ahart 246 Butte Peter Ahart Ranch, Honcut 46 Comment
  SEINET10906780  Perideridia oregana Lowell Ahart 1985-6-17 Ahart 5061 Butte Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls. Comment
  SEINET10939984  Trifolium pratense Lowell Ahart 1984-6-8 Ahart 4684 Butte Along the edge of the dirt road that goes to Lumpkin Ridge Rd, ca. 6 mi NE of Ponderosa Dam, ca. 4 mi SE of Feather Falls; Yellow Pine Forest; 550 m. 550 Comment
  SEINET10940001  Trifolium amplectens Lowell Ahart 1983-4-10 Ahart 3920 Butte S of a large wash, 1/10 mi e of the large barn, ca. 1.4 mi ne of Hwy 99 and Pentz Rd jct, ca. 16 mi s of Chico. Valley Grassland; 65 m. 65 Comment
  SEINET10948371  Gnaphalium palustre Lowell Ahart 1986-11-9 Ahart 5450 Butte On damp red gravelly soil, on the bottom of a pond, about 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville. 37 Comment
  SEINET10971397  Juncus cyperoides Lowell Ahart, Peter Ahart 1984-6-10 Ahart 4692 Butte About 0.5 mi SW of the jct of Black Bart Rd and Forbestown Rd, ca. 14 mi E of Oroville; Yellow Pine Forest; 650 m. 650 Comment
  SEINET10971559  Pellaea mucronata Lowell Ahart 1983-3-28 Ahart 3912 Butte E bank of Woodleaf Creek above the rd, ca. 3/8 mi sw of Forbestown Reserv., ca. 4 mi ne of Forbestown. Yellow Pine Forest. 450 Comment
  SEINET10972188  Githopsis specularioides Lowell Ahart 1973-5-6 Ahart s.n. Butte Swedes Flat road, near Bangor 457 Comment
  SEINET11910948  Horkelia californica subsp. dissita L. Ahart, Ahart, P. 1984-1 4647 Butte About 1mi. NE of the West Branch Bridge, ca 2mi. S of Old Yankee Hill, ca 16mi. NE of Oroville 450 Comment
  SEINET11934432  Polygonum parryi L. Ahart, Ahart, P. 1984-1 4730 Butte About 1.5 mi SE of Bald Mountain, 3/4 mi W of Oak Point, about 4 mi NE of Stirling City 1500 Comment
  SEINET12186045  Linum micranthum L. Ahart, Ahart, P. 1983-1 4094 Butte along Bloomer Hill Rd., 1.3 mi W of Oroville-Quincy Hwy, 15 mi NE of Oroville 450 Comment
  SEINET516425  Parvisedum pumilum Lowell Ahart 1983-1 3932 Butte Normal size plant, growing on dry poor thin soil, about 1/2 mi NE of Hwy 99 & Pentz Rd. 61 Comment
  SEINET6646079 Image available Mollugo verticillata Lowell Ahart 1984-1 4787 Butte West of Pacific Heights Raod, about 5 miles South-west of Oroville 40 Comment
  SEINET7587005 Image available Eleocharis quinqueflora Lowell Ahart 2000-7-5 8553 Butte West of the cow chute and the large parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. 404 Comment
  UCD124964  Lycopus americanus Lowell Ahart 1998-7-18 8042 Butte southwest of the lone oak tree, west of the cow chute on the west side of Cherokee Road, North Table Mountain, about 7 air miles north of Oroville. 403 Comment
  UCD133407  Jensia rammii L. Ahart 1976-4-15 1067 Butte Peter Ahart Ranch, Honcut. 45 Comment
  UCD141911  Juncus triformis L. Ahart 1980-7-20 2474 Butte on the north side of Bean Creek Road, about 1/2 mile south of Little Bald Rock, about 15 miles northeast of Oroville. 1005 Comment
  UCSB63744  Cyperus eragrostis Ahart, Lowell 1998-6-30 Butte T20N, R4E, NE1/4 Section 17; west of lone oak tree; west of cow shute on the west side of Cherokee Road; North Table Mountain; about 7 miles (air) north of Oroville 403 Comment
  UCSB64012  Amaranthus deflexus Ahart, Lowell 1982-7-10 Butte Near a small building in the parking area at the Gray Lodge check in station, about 12 miles south-west of Gridley 30 Comment
  CDA41832  Mimulus pilosus L. Ahart 2006-8-9 13113 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. Comment
  CHSC112219  Juncus bufonius Lowell Ahart 2013-5-1 18691 Colusa Inner North Coast Range. In a small drainage, north of the wash and State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 566 Comment
  CHSC112220  Allium fimbriatum var. purdyi Lowell Ahart; John Dittes, Josephine Guardino 2013-4-26 18641 Colusa Inner North Coast Range. On the north side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 566 Comment
  CHSC112226  Camissoniopsis hirtella Lowell Ahart 2013-5-1 18671 Colusa On the east side of Bear Valley Road, about 2 1/2 miles (by road) northwest of the intersection of State Highway 20 and Bear Valley Road. 533 Comment
  CHSC112233  Yabea microcarpa Lowell Ahart 2013-5-1 18661 Colusa On the east side of Bear Valley Road, about 2 1/2 miles (by road) northwest of the intersection of State Highway 20 and Bear Valley Road. 533 Comment
  CHSC112314  Daucus pusillus Lowell Ahart 2013-5-1 18675 Colusa Inner North Coast Range. On the north side of the wash, north of State Highway 20, just east of Lake County Line, 12.2 mile (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 566 Comment
  CHSC112317  Galium andrewsii subsp. andrewsii Lowell Ahart 2013-5-1 18694 Colusa Inner North Coast Range. Near a small drainage, north of the wash and State Highway 20, just east of Lake County Line, 12.2 mile (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. 566 Comment
  CHSC113055  Pseudognaphalium stramineum Lowell Ahart 2013-10-1 19070 Colusa Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. 364 Comment
  CHSC114994  Chenopodium californicum Lowell Ahart 2015-4-28 20112 Colusa High bank on the west side of Leesville-Lodoga Road, about 300 yards north of the intersection of Bear Valley Road and Brim Road, Bear Valley, about 2 miles southwest of Leesville, about 14 1/2 miles(air) west of Williams. 395 Comment
  CHSC114997  Plantago elongata Lowell Ahart 2015-4-28 20114 Colusa On the north side of Maxwell-Colusa Road, about 5 1/2 miles east of Maxwell. 53 Comment
  CHSC116673  Lemna minuta Lowell Ahart; John Dittes, Josephine Guardino 2016-2-14 20723 Colusa Small pond on the east side of the graveel road, about 1/2 mile north of Letts Lake, about 1/2 mile south of the large campground, about 13 miles (air) southwest of Stonyford. 966 Comment
  CHSC84195  Juncus balticus Lowell Ahart 2003-7-14 10384 Colusa Along a stream, field on the south side of Highway 20, about 2 miles southwest of the intersection of Highway 20 and Bear Valley Road, about 21 miles (by road) southwest of Williams. 520 Comment
  CHSC84247  Navarretia jepsonii Lowell Ahart 2003-7-14 10385 Colusa Field on the south side of Highway 20, about 2 miles southwest of the intersection of Highway 20 and Bear Valley Road, about 21 miles (by road) southwest of Williams. 520 Comment
  CHSC94290  Stachys ajugoides var. rigida Lowell Ahart 2006-8-9 13091 Colusa Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford. 455 Comment
  CHSC94406  Zeltnera trichantha Lowell Ahart 2006-8-22 13230 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC94413  Polypogon maritimus Lowell Ahart 2006-8-9 13171 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC94420  Plantago coronopus Lowell Ahart 2006-8-9 13154 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC94439  Nicotiana quadrivalvis Lowell Ahart 2006-8-9 13141 Colusa North side and west of the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC94458  Kickxia elatine Lowell Ahart 2006-8-9 13134 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC94468  Juncus bufonius var. bufonius Lowell Ahart 2006-8-9 13144 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC94520  Stephanomeria paniculata Lowell Ahart 2006-8-22 13219 Colusa South side of Stony Ceek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. 349 Comment
  CHSC94521  Solanum physalifolium var. nitidibaccatum Lowell Ahart 2006-8-22 13223 Colusa South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. 349 Comment
  CHSC94527  Elymus glaucus subsp. glaucus Lowell Ahart 2006-8-9 13136 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC94712  Paspalum distichum Lowell Ahart 2006-9-26 13352 Colusa Along the deep ditch, south side of the Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5 1/2 miles east of Maxwell. 24 Comment
  CHSC94988  Urtica dioica subsp. gracilis Lowell Ahart 2006-10-31 13519 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  JEPS108753  Atriplex prostrata Lowell Ahart 2006-9-26 13347 Colusa Along the deep ditch, south side of the Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5 1/2 miles east of Maxwell 24 Comment
  JEPS110060  Mentha spicata var. spicata Lowell Ahart 2006-8-22 13207 Colusa North side and under the bridge across Stony Creek, just north of Stonyford 347 Comment
  JEPS110096  Stachys ajugoides var. rigida Lowell Ahart 2006-8-9 13118 Colusa North side and under the bridge across Stony Creek, just north of Stonyford 347 Comment
  JEPS110449  Scirpus acutus var. occidentalis Lowell Ahart 2006-8-22 13214 Colusa South side of Stony Creek, about 100 yards W of the bridge across Stony Creek, just N of Stonyford. 349 Comment
  JEPS120706  Dysphania pumilio Lowell Ahart 2013-10-1 19086 Colusa Strand of East Park Reservoir, about 2.5 air miles SE of Stonyford, about 2.5 miles NW of Lodoga, about 10 air miles NW of Sites. Comment
  JEPS120804  Heliotropium curassavicum Lowell Ahart 2013-10-1 19096 Colusa Strand of East Park Reservoir, about 2.5 air miles SE of Stonyford, about 2.5 miles NW of Lodoga, about 10 air miles NW of Sites. Comment
  JEPS120807  Stachys albens Lowell Ahart 2013-10-1 19079 Colusa Strand of East Park Reservoir, about 2.5 air miles SE of Stonyford, about 2.5 miles NW of Lodoga, about 10 air miles NW of Sites. Comment
  JEPS120899  Calochortus amabilis Lowell Ahart, John Dittes, Josephine Guardino 2013-4-26 18640 Colusa Rocky serpentine outcrop on the N side of Hwy 20, just E of the Lake County line, 12.2 air miles ENE of the town of Clear Lake, 17.1 air miles W of Williams Comment
  JEPS120968  Acmispon brachycarpus Lowell Ahart, John Dittes, Josephine Guardino 2013-4-26 18648 -A Colusa On N side of Hwy 20, just E of Lake County Line, 12.2 air miles ENE of town of Clear Lake, 17.1 air miles W of Williams. Comment
  JEPS120991  Castilleja foliolosa Lowell Ahart, John Dittes, Josephine Guardino 2013-4-26 18642 Colusa Rocky serpentine outcrop on the north side of Hwy 20, just east of Lake County line, 12.2 air miles east northeast of the town of Clear Lake, 17.1 air miles west of Williams. Comment
  JEPS121122  Trifolium obtusiflorum Lowell Ahart 2013-5-1 18679 Colusa On the N side of the wash, N side of Hwy 20, just E of Lake County line, 12.2 air miles ENE of the town of Clear Lake, 17.1 air miles W of Williams. Comment
  JEPS123892  Chenopodium californicum Lowell Ahart 2015-4-28 20112 Colusa About 300 yards north of the intersection of Bear Valley Road and Brim Road, about 2 miles southwest of Leesville, about 14 1/2 miles (air) west of Williams. Comment
  JEPS124209  Castilleja attenuata Lowell Ahart 2015-4-10 20005 Colusa About 1/2 mile east of Leesville, about 12 miles (air) northwest of Williams. Comment
  JEPS124233  Castilleja rubicundula subsp. rubicundula Lowell Ahart 2015-4-1 19987 Colusa Inner North Coast Range. 1/2 mile east of Lake County Line, 12 miles (air) east-northeast of Clear Lake (town), 17 miles (air) west of Williams. Comment
  RSA718532  Ambrosia psilostachya L. Ahart 2006-10-31 13518 Colusa 20 yards northeast of the bridge across Stony creek, just north of Stonyford. 348 Comment
  RSA724964  Datisca glomerata L. Ahart 2006-8-9 13146 Colusa North side and just east of the bridge across Stony Creek, just north of Stonyford 348 Comment
  RSA725020  Zannichellia palustris Lowell Ahart 2006-8-22 13234 Colusa North side of Stony Creek, about 50 yards E of the north end of the bridge across Stony Creek, just N of Stonyford. 348 Comment
  RSA725021  Agrostis avenacea L. Ahart 2006-8-22 13227 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 348 Comment
  CHSC116603  Medicago polymorpha var. brevispina Lowell Ahart; Josephine Guardino 2016-4-19 20763 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of LosVaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  CHSC116613  Castilleja exserta subsp. exserta Lowell Ahart; Josephine Guardino 2016-4-19 20779 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  JEPS127044  Spergularia rubra Lowell Ahart, Josephine Guardino 2016-4-19 20775 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  JEPS127047  Matricaria discoidea Lowell Ahart, Josephine Guardino 2016-4-19 20766 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  JEPS127100  Trifolium hirtum Lowell Ahart, Josephine Guardino 2016-4-19 20759 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Spring USGS 7.5' Quad. Comment
  CDA42505  Adiantum capillus-veneris L. Ahart 12732 Glenn On the west side of Forest Road 18N03, about 1 1/2 miles (air) northeast of the North Fork Campground, about 5 3/4 miles west-northwest of Stonyford. Comment
  CDA42924  Malvella leprosa L. Ahart 2012-8-24 18430 Glenn On the strand of Black Butte Reservoir (west side), about 3 miles north of the bridge across Stony Creek and the upper reaches of Black Butte Reservoir. Comment
  CDA8628  Senecio flaccidus var. douglasii L. Ahart 2004-6-3 11149 Glenn On the east side of the road to Grindstone Rancheria Indian Reservation, east of Grindstone Creek, about 1/4 mile east of Road 306 (Elk Creek Newville Road). Comment
  CHSC112671  Mentha pulegium Lowell Ahart 2013-10-19 19144 Glenn Under and around willows, on the west side of the backwater, along the west side of the Sacramento River, about 300 yards north of the bridge, west of Butte City. 26 Comment
  CHSC113027  Mentha arvensis Lowell Ahart 2013-8-8 19014 Glenn North end of Grizzly Flat, strand of Black Butte Reservoir, about 9 miles (air) west of Orland. 132 Comment
  CHSC81086  Amaranthus californicus Lowell Ahart; Vernon H. Oswald 2001-8-22 9167 Glenn Along a small wash, on the strand and on the west side of Black Butte Reservoir, about 3 miles north of the bridge across Stony Creek and the upper reaches of Black Butte Reservoir. 140 Comment
  CHSC87979  Bolboschoenus glaucus Lowell Ahart 2004-6-18 11074 Glenn On the west side of Grindstone Creek, about 100 yards north of Stony Creek, about 50 yards east of Road 306 (Elk Creek Newville Road), west of the Grindstone Rancheria Indian Reservation. 178 Comment
  CHSC94683  Elymus lanceolatus subsp. lanceolatus Lowell Ahart 2006-6-15 12778 Glenn On the east side of the creek, about 100 yards southeast of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles west-northwest of Stonyford. 595 Comment
  CHSC94742  Lythrum hyssopifolia Lowell Ahart 2006-6-15 12787 Glenn On the east side of Forest Road 18N03, about 1 1/1 miles (air) northeast of the North Fork Campground, about 5 3/4 miles (air) west-northwest of Stonyford. 630 Comment
  CHSC94773  Navarretia mellita Lowell Ahart 2006-6-15 12749 Glenn On the north side of Forest Road 18N03, about 1/2 mile (by road) east of the ford of Stony Creek, about 2 miles (air) northeast of North Fork Campground, about 5 1/4 miles (air) west-northwest of Stonyford. 644 Comment
  JEPS102627  Ammannia robusta Lowell Ahart 2001-8-22 9171 Glenn On the strand and on the west side of Black Butte Reservoir, about 3 miles north of the bridge across Stony Creek and the upper reaches of Black Butte Reservoir. 140 Comment
  JEPS106330  Datisca glomerata Lowell Ahart 2004-6-18 11089 Glenn On the west side of Salt Creek, south of the bridge across Salt Creek, on the south side of Newville Road, about 1/4 mile west of Newville, about 5 miles (air) west of Black Butte Reservoir 203 Comment
  JEPS108742  Lythrum hyssopifolia Lowell Ahart 2006-6-15 12787 Glenn On the east side of Forest Road 18N03, about 1 1/1 miles (air) northeast of the North Fork Campground, about 5 3/4 miles (air) west-northwest of Stonyford 630 Comment
  JEPS110210  Polypogon monspeliensis Lowell Ahart 2006-6-15 12771 Glenn On the west side of the creek, about 30 yards south of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles (air) west-northwest of Stonyford 595 Comment
  JEPS110216  Elymus lanceolatus subsp. lanceolatus Lowell Ahart 2006-6-15 12778 Glenn On the east side of the creek, about 100 yards southeast of the ford across Stony Creek (Forest Road 18N03), about 2 miles (air) northeast of the North Fork Campground, about 5 1/4 miles west-northwest of Stonyford 595 Comment
  JEPS110355  Carex praegracilis Lowell Ahart 2006-6-11 12690 Glenn In a meadow east of the road, seep at the start of Black Diamond Creek, about 2 1/2 miles (air) northeast of the North Fork Campground, about 4 miles (air) northwest of Stonyford 741 Comment
  JEPS119943  Bergia texana Lowell Ahart 2012-8-24 18426 Glenn On the strand of Black Butte Reservoir (west side), about 3 miles north of the bridge across Stony Creek and the upper reaches of Black Butte Reservoir. Comment
  JEPS120625  Crypsis alopecuroides Lowell Ahart 2013-10-22 19191 Glenn Strand of Stony Gorge Reservoir, about 2.5 miles south of the dam, about 17 air miles northwest of Willows. Comment
  JEPS120678  Cyperus eragrostis Lowell Ahart 2013-10-19 19158 Glenn Between the river and the large gravel bar, along the west side of the Sacramento River, southwest of the boat launch area, west of Butte City. Comment
  RSA0037105  Chamaesyce serpillifolia subsp. serpillifolia Lowell A. Ahart 2013-10-22 19186 Glenn Near an old homestead, strand of Stony Gorge Reservoir, about two miles south of the dam, about 17 miles (air) northwest of Willows. 248 Comment
  RSA0112649  Chamaesyce ocellata subsp. rattanii Lowell Ahart 2013-8-8 19012 Glenn North end of Grizzly Flat, strand of Black Butte Reservoir, about 9 miles (air) west of Orland. 132 Comment
  RSA699615  Polypogon maritimus L. Ahart 2004-6-18 11104 Glenn Salt Creek, south of bridge across Salt Creek, on the south side of Newville Rd., about 1/4 mi. west of Newville, about 5 mi. (air) west of Black Butte Reservoir. 204 Comment
  RSA795694  Malvella leprosa L. Ahart 2012-8-24 18430 Glenn The strand of Black Butte Reservoir (west side), about 3 miles north of the bridge across Stony Creek and the upper reaches of Black Butte Reservoir. 136 Comment
  SEINET12875378 Image available Cyperus fuscus Lowell Ahart 2013-1 19196 Glenn 241 Comment
  SBBG128779  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2013-10-22 19186 Glenn near old homestead, strand of Stony Gorge Reservoir, ca. two mi S of the dam, ca. 17 mi (air) NW of Willows 248 Comment
  SEINET8380162  Erythranthe floribunda Lowell Ahart 2006-6-15 12741 Glenn on the northwest side of Black Diamond Road, about 2 1/2 miles west of the paved road, about 4 3/4 miles (by road) from Stonyford. 750 Comment
  CDA8725  Solidago canadensis subsp. elongata L. Ahart 2004-10-4 11428 Lake Along the stream that flows into Indian Valley Reservoir, the northeast part of the reservoir, on the south side of Bartlett Springs Road. Comment
  CHSC84324  Allium amplectens Lowell Ahart 2003-7-14 10409 Lake Along a small stream, on the north side of Bartlett Springs Road, about 2 miles west of Bear Valley. 630 Comment
  JEPS104390  Agrostis exarata Lowell Ahart 2003-7-14 10406 Lake Along a stream, on the e side of the second causeway going sw on Bartlett Springs Rd, Indian Valley Reservoir. 449 Comment
  JEPS105950  Trichostema laxum Lowell Ahart 2004-10-4 11436 Lake Below the high water line of Indian Valley Reservoir, along the stream in the northeast part of the reservoir, on the south side of Bartlett Springs Road 446 Comment
  JEPS105956  Chenopodium pumilio Lowell Ahart 2004-10-4 11449 Lake Below the high water line of Indian Valley Reservoir, east of the causeway, in the northwest part of the reservoir, on the east side of Bartlett Springs Road 446 Comment
  JEPS106182  Pinus attenuata Lowell Ahart 2004-10-14 11469 Lake On the south side of Cache Creek, on the south side of Bartlett Springs Road (Road M 12), about 2 miles west of the northwest part of Indian Valley Reservoir 477 Comment
  JEPS106196  Helenium puberulum Lowell Ahart 2004-10-4 11450 Lake Below the high water line of Indian Valley Reservoir, along the stream in the northeast part of the reservoir, on the south side of Bartlett Springs Road 446 Comment
  JEPS123916  Plantago erecta Lowell Ahart 2015-4-28 20097 Lake About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams. Comment
  JEPS124294  Plectritis macrocera Lowell Ahart 2015-4-10 20023 Lake Barrel Spring, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams. Comment
  RSA702783  Arceuthobium occidentale L. Ahart 2004-10-14 11458 Lake On the south edge of Bartlett Springs Road (Road M12), near the northwest part of Indian Valley Reservoir. 459 Comment
  RSA702854  Verbena lasiostachys L. Ahart 2004-10-14 11466 Lake On the south side of the bridge across Cache Creek, on the south side of Bartlett Springs Road (Road M 12), about 3 miles west of the northwest part of Indian Valley Reservoir. 503 Comment
  CHSC105259  Pterospora andromedea Lowell Ahart; John Dittes 2010-7-31 17007 Lassen On the sout side of the road, about 50 yards east of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. 1516 Comment
  CHSC106353  Marrubium vulgare Lowell Ahart; John Dittes 2010-8-30 17087 Lassen On the north side of the road, between Elkins Lane and Walters Road, 550 feet south of Modoc County Lane and Walters Road, 550 feet south of Modoc County Line, about 4.3 miles (air) west-southwest of Adin, about 7.3 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  CHSC107335  Trifolium beckwithii Lowell Ahart; John Dittes 2011-6-21 17535 Lassen About 100 yards north of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. 1263 Comment
  CHSC107341  Elatine californica Lowell Ahart; John Dittes 2011-6-21 17527 Lassen Along the bottom of a small drainage, about 30 yards north of the road, between Elkins Lane and Walters Road, about 100 yards south of the old barn, 500 feet south of Modoc County Line, about 4.3 miles (air) west-southwest of Adin, about 7.3 miles (air) northeast of Bieber, Big Valley. 1268 Comment
  CHSC110909  Navarretia leucocephala subsp. minima Lowell Ahart; John Dittes 2012-7-9 18288 Lassen . Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. About 100 yards southeast of the tall poles. 1267 Comment
  CHSC112399  Lupinus microcarpus var. microcarpus Lowell Ahart; John Dittes, Todd Sloat 2013-6-9 18781 Lassen Pasture field, about 100 yards west of the north-south road, on the west side of McArthur Diversion Canal, 2.1 air-miles of Rat Farm Boat Launch, 1.2 air-miles north of McArthur, Fall River Valley, McArthur Swamp. 1007 Comment
  CHSC112403  Thlaspi arvense Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18745 Lassen Drainage filled with dirt from construction of a pond, about 30 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC112413  Collinsia parviflora Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18737 Lassen Drainage filled with dirt from construction of a pond, about 30 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC112770  Eleocharis acicularis Lowell Ahart; John Dittes 2013-7-22 18880 Lassen Drainage filled with dirt from construction of a pond, 40 yards south of the man made pond, about 110 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC112987  Melilotus officinalis Lowell Ahart; John Dittes 2013-7-22 18868 Lassen On the sides of the levee road, about 100 yards south of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC112998  Lepidium campestre Lowell Ahart; John Dittes 2013-7-23 18886 Lassen Drainage filled with dirt from construction of a pond, 40 yards south of the man made pond, about 110 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC113060  Lythrum hyssopifolia Lowell Ahart; John Dittes 2013-7-23 18896 Lassen Along the south margin of the levee road, about 100 yards east of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC113082  Epilobium densiflorum Lowell Ahart; John Dittes 2013-7-22 18878 Lassen Drainage filled with dirt from construction of a pond, 40 yards south of the man made pond, about 110 yards north of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC113090  Castilleja tenuis Lowell Ahart; John Dittes 2013-7-22 18840 Lassen West margin of a duck field, about 30 yards southeast of the four tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC115514  Poa secunda subsp. juncifolia Lowell Ahart; John Dittes 2015-7-14 20331 Lassen On the west side of the road, about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. 1267 Comment
  CHSC115577  Elymus trachycaulus subsp. trachycaulus Lowell Ahart; John Dittes 2015-7-14 20332 Lassen On the west side of the road, about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. 1267 Comment
  CHSC115607  Epilobium densiflorum Lowell Ahart; John Dittes 2015-7-13 20307 Lassen About 100 yards southwest of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber,, Big Valley. 1267 Comment
  CHSC116101  Veronica arvensis Lowell Ahart; John Dittes 2015-7-13 20321 Lassen About 100 yards southwest of the 4 tall poles, Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117195  Juniperus occidentalis Lowell Ahart; John Dittes 2016-6-7 20974 Lassen 20 yards west of the pond, about 100 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. 1289 Comment
  CHSC31978  Distichlis spicata L. Ahart; J. T. Howell 1974-7-9 536 Lassen Along rd, 5 mi w of Susanville. 1584 Comment
  CHSC43311  Nama densa Lowell Ahart 1974-7-9 543 Lassen Along the edge of the road, near the wouth-west edge of Eagle Lake. 1584 Comment
  CHSC76105  Eragrostis cilianensis Lowell Ahart; Vernon H. Oswald 1999-9-13 8229 Lassen Along the north side of Mapes Road, about 200 yards east of Lambert Lane, about 3 1/2 miles (air) southeast of Standish. 1210 Comment
  CHSC91186  Ranunculus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-1 11857 Lassen On the west side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction. 1448 Comment
  CHSC91195  Clarkia lassenensis Lowell Ahart; John Dittes 2005-6-2 11951 Lassen Along a poor dirt road, about 1/2 mile west of the Anderson Ranch home, Long Valley, about 4 3/4 miles (air) northwest of the intersection of Scott Road and Highway 70, 6.6 miles (air) northwest of Hallelujah Junction. 1512 Comment
  CHSC91312  Myosotis discolor Lowell Ahart; John Dittes 2005-6-1 11896 Lassen On the south side of Scott Road, east side of the railroad underpass, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction. 1459 Comment
  CHSC91324  Nama densa var. densa Lowell Ahart; John Dittes 2005-6-1 11874 Lassen On the south side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 1 3/4 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.7 miles (air) northwest of Hallelujah Junction. 1461 Comment
  CHSC99292  Stellaria longipes var. longipes Lowell Ahart; John Dittes 2008-6-20 14956 Lassen About 200 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber. 1263 Comment
  CHSC99740  Veronica catenata Lowell Ahart; John Dittes 2008-6-20 14932 Lassen In vernal pools and swales, about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.0 miles (air) northeast of Bieber. 1263 Comment
  CHSC99741  Cerastium glomeratum Lowell Ahart; John Dittes 2008-6-20 14966 Lassen About 10 yards west of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.0 miles (air) northeast of Bieber. 1263 Comment
  HSC97103  Collinsia parviflora L. Ahart 2005-6-1 11858 Lassen 1/2 mile west of Scott Rd., Long Valley, about 2 air miles NW of the intersection of Scott Rd. and Hwy. 70. 3.9 air miles NW of Hallelujah Junction 1449 Comment
  JEPS107834  Carex praegracilis Lowell Ahart, John Dittes 2005-6-1 11864 Lassen on the west side of the poor dirt road, about 1/2 mile west of Scott Road, Long Valley, about 2 miles (air) northwest of the intersection of Scott Road and Highway 70, 3.9 miles (air) northwest of Hallelujah Junction Comment
  JEPS107837  Capsella bursa-pastoris Lowell Ahart, John Dittes 2005-6-2 11919 Lassen Near bunkhouse, Anderson Ranch home, Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction 1459 Comment
  JEPS114360  Descurainia nelsonii Lowell Ahart, John Dittes 2008-6-19 14891 Lassen Bottom and sides of a small drainage, west bank of Willow Creek, about 5 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber 1578 Comment
  JEPS114396  Navarretia leucocephala subsp. minima Lowell Ahart, John Dittes 2008-6-20 14952 Lassen about 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.0 miles (air) northeast of Bieber 1263 Comment
  JEPS114621  Packera cana Lowell Ahart, John Dittes 2008-6-19 14877 Lassen Open flat, east bank of Willow Creek, about 30 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber 1578 Comment
  JEPS114709  Penstemon rydbergii var. oreocharis Lowell Ahart, John Dittes 2008-6-20 14919 Lassen About 100 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber 1263 Comment
  JEPS114764  Hordeum murinum subsp. leporinum Lowell Ahart, John Dittes 2008-6-20 14915 Lassen On the levee road, where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber 1263 Comment
  JEPS114767  Carex nebrascensis Lowell Ahart, John Dittes 2008-6-20 14953 Lassen In meadow, about 300 yards southwest of where the levee road crosses Big Valley Canal, in Big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber 1263 Comment
  JEPS117494  Sidalcea glaucescens Lowell Ahart, John Dittes 2010-7-31 17016 Lassen On the south side of the road, about 50 yards east of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin 1516 Comment
  JEPS117497  Tragopogon dubius Lowell Ahart, John Dittes 2010-7-31 16998 Lassen About 5 yards north of the large culvert, where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin 1516 Comment
  JEPS117583  Castilleja applegatei subsp. pinetorum Lowell Ahart, John Dittes 2010-7-31 17009 Lassen About 2,300 feet north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin 1510 Comment
  JEPS118450  Poa bulbosa Lowell Ahart, John Dittes 2011-6-20 17495 Lassen About 40 yards east of the stream, about 80 yards north of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin 1520 Comment
  JEPS118465  Arnica chamissonis subsp. foliosa Lowell Ahart, John Dittes 2011-6-21 17534 Lassen About 100 yards southwest of where the levee road crosses Big Valley Canal, in big Valley, about 4 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7 miles (air) northeast of Bieber 1263 Comment
  JEPS120869  Claytonia rubra subsp. depressa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18742 Lassen About 30 yards N of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. Comment
  JEPS121253  Epilobium brachycarpum Lowell Ahart 2013-7-22 18845 Lassen W margin of duck field, about 10 yards E of the four tall poles, Ash Creek State Wildlife Area, about 5.5 air miles NE of Bieber, Big Valley. Comment
  JEPS123970  Elatine californica Lowell Ahart, John Dittes 2015-7-13 20296 Lassen Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS124374  Nepeta cataria Lowell Ahart, John Dittes 2015-7-13 20313 Lassen Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS124377  Thlaspi arvense Lowell Ahart, John Dittes 2015-7-13 20309 Lassen Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS127170  Galium aparine Lowell Ahart, John Dittes 2016-7-15 21223 Lassen Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS127347  Euphorbia virgata Lowell Ahart, John Dittes 2016-7-13 21118 Lassen 150 yards east of Stonebreaker Road, 0.6 miles south of County Road A-2, 5.3 miles (air) east of Bieber, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley. Comment
  JEPS95903  Atriplex prostrata Lowell Ahart 1999-9-13 8209 Lassen just south of the parking area; about 1 mile south of the sign in station; Honey Lake Wildlife Area; 5 1/2 miles (air) southeast of Standish 1207 Comment
  RSA768028  Astragalus filipes L. Ahart, John Dittes 2010-7-31 16976 Lassen About 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 air miles northwest of Moll Reservoir, 2.8 air miles west of Ash Valley, 8.4 air miles southeast of Adin. 1521 Comment
  RSA795326  Hesperolinon micranthum L. Ahart, John Dittes 2010-7-31 16975 Lassen About 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 air miles northwest of Moll Reservoir, 2.8 air miles west of Ash Valley, 8.4 air miles southeast of Adin. 1521 Comment
  SEINET10774227  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2010-7-31 Ahart 16977 Lassen T38N, R10E, center of north 1/2 Section 22. Stems from a plant 2 1/2 feet tall, on dry bare soil, about 100 yards northeast of where the road crosses Hunsinger Draw, 1.9 miles (air) northwest of Moll Reservoir, 2.8 miles (air) west of Ash Valley, 8.4 miles (air) southeast of Adin. 1521 Comment
  UCD169449  Amsinckia menziesii Lowell Ahart; John Dittes 2005-6-1 11899 Lassen Long Valley, about 4 3/4 miles (air) north of the intersection of Scott Road and Highway 70, 6.2 miles (air) northwest of Hallelujah Junction, east side of the railroad underpass, on the north side of Scott Road. 1459 Comment
  UCSC011165  Trifolium geminiflorum Lowell Ahart, John Dittes 2016-7-15 21233 Lassen About 10 yards west of State Highway 299, Big Valley Mountains, 0.4 air miles northeast of Big Valley Summit, 5.0 air miles southwest of Bieber. 1398 Comment
  SBBG128882  Lasthenia glaberrima L. Ahart, J. Dittes 2008-6-20 14901 Lassen sides of a vernal pool, ca. 100 yards W of where the levee rd crosses Big Valley Canal, in Big Valley, ca. 4 mi (air) NE of the Headquarters at Ash Crk State Wildlife Area, ca. 7 mi (air) NE of Bieber 1263 Comment
  CDA34689  Mentha pulegium L. Ahart 2009-11-12 16519 Mendocino On the south side of the Russian River, below the high water line of Lake Mendocino, about 200 yards south of Highway 20. Comment
  CHSC103436  Echinochloa colona Lowell Ahart 2009-11-12 16536 Mendocino South edge of the mud flat on the south side of the Russian River, below the high water line of Lake Mendocino, about 200 yards south of Highway 20. 230 Comment
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Aug 12 2012
  CHSC112279  Carex gynodynama Lowell Ahart; John Dittes, Josephine Guardino 2013-4-24 18581 Mendocino North Coast. South of the entrance and road, 2.9 miles (air) northwest of Pt. Arena, 3.3 miles (air) southwest of Manchester. 15 Comment
  CHSC112281  Isoetes nuttallii Lowell Ahart; John Dittes, Josephine Guardino 2013-4-24 18586 Mendocino North Coast. South of the entrance and road, 2.9 miles (air) northwest of Pt. Arena, 3.3 miles (air) southwest of Manchester. 15 Comment
  CHSC112288  Petasites frigidus var. palmatus Lowell Ahart; John Dittes, Josephine Guardino 2013-4-24 18572 Mendocino Outer North Coast Range. Redwood forest south of Mountain View Road, 1.9 miles (air) west of Boonville. 339 Comment
  CHSC112294  Cardamine oligosperma Lowell Ahart; John Dittes, Josephine Guardino 2013-4-26 18613 Mendocino North Coast. Base of eroding cliffs, above the sand beach, 1.1 miles (air) southeast of Anchor Bay, 2.0 miles (air) northwest of mouth of Gualala River. 3 Comment
  CHSC112297  Euphorbia spathulata Lowell Ahart; John Dittes, Josephine Guardino 2013-4-26 18618 Mendocino North Coast. Base of eroding cliffs, above the sand beach, 1.1 miles (air) southeast of Anchor Bay, 2.0 miles (air) northwest of mouth of Gualala River. 3 Comment
  JEPS115149  Cyperus erythrorhizos Lowell Ahart 2009-11-12 16529 Mendocino South edge of the mud flat on the south side of the Russian River, below the high water line of Lake Mendocino, about 200 yards south of Highway 20 230 Comment
  JEPS115210  Atriplex triangularis Lowell Ahart 2009-11-12 16515 Mendocino On the south side of the Russian River, below the high water line of Lake Mendocino, about 200 yards south of Highway 20 230 Comment
  JEPS121184  Elatine Lowell Ahart, John Dittes 2013-7-24 18919 A Mendocino Around a man-made pond, north side of Ash Creek floodplain, 0.54 air miles southeast of Pilot Butte parking area, 1.1 air miles south of County Road 87, 6.8 air miles west of Adin, Big Valley. Comment
  UCSC010860  Trifolium Lowell Ahart, John Dittes, Josephine Guardino 2013-4-24 18576 Mendocino Near the entrance and road, 2.9 air miles northwest of Pt. Arena, 3.3 air miles southwest of Manchester. 15 Comment
  SBBG128575  Juncus acuminatus L. Ahart 2009-11-12 16531 Mendocino S edge of mud flat on S side of Russian River, below high water line of Lake Mendocino, ca. 200 yards S of Hwy 20 230 Comment
  CDA32110  Amaranthus albus L. Ahart, John Dittes 2008-8-21 15218 Merced Near the windmill and corral, about 1/4 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. Comment
  CDA32113  Atriplex rosea L. Ahart, John Dittes 2008-8-21 15232 Merced Thirty yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. Comment
  CDA32118  Hirschfeldia incana L. Ahart, John Dittes 2008-8-21 15230 Merced On south bank of Dutchman Slough, about 100 yards east of west fence, northwest of the windmill and corral, about 1/4 mile southwest of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. Comment
  CDA42991  Trifolium depauperatum var. truncatum L. Ahart, John Dittes, Josephine Guardino 2008-4-11 14625 Merced About 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. Comment
  CHSC100018  Xanthium strumarium Lowell Ahart; John Dittes 2008-8-21 15228 Merced On the banks and bottom of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC100371  Epilobium brachycarpum Lowell Ahart; John Dittes 2008-8-21 15262 Merced On the banks of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southwest of Merced. 53 Comment
  CHSC100504  Setaria gracilis Lowell Ahart; John Dittes 2008-8-21 15260 Merced On the bottom of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southwest of Merced. 53 Comment
  CHSC98814  Isoetes nuttallii Lowell Ahart; John Dittes, Josephine Guardino 2008-4-12 14664 Merced A high area in a vernal pool, about 1/2 mile south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98822  Trifolium gracilentum var. gracilentum Lowell Ahart; John Dittes, Josephine Guardino 2008-4-11 14626 Merced Above the high margins of vernal pools, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98844  Medicago polymorpha Lowell Ahart; John Dittes, Josephine Guardino 2008-4-11 14659 Merced Along the fence, about 20 yards east of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98870  Marsilea vestita subsp. vestita Lowell Ahart; John Dittes, Josephine Guardino 2008-4-13 14697 Merced On the bottom of a vernal pool, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  CHSC98877  Erythranthe guttata Lowell Ahart; John Dittes, Josephine Guardino 2008-4-11 14623 Merced Above the high margins of vernal pools, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  JEPS114449  Spergularia atrosperma Lowell Ahart, John Dittes, Josephine Guardino 2008-4-11 14620 Merced about 20 yards east of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114580  Crassula tillaea Lowell Ahart, John Dittes, Josephine Guardino 2008-4-11 14619 Merced On dry soil, along the fence, about 20 yards east of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114592  Trifolium gracilentum var. gracilentum Lowell Ahart, John Dittes, Josephine Guardino 2008-4-11 14626 Merced Above the high margins of vernal pools, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114675  Bromus madritensis subsp. rubens Lowell Ahart, John Dittes, Josephine Guardino 2008-4-11 14639 Merced Grassy mounds, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114788  Elymus trachycaulus subsp. trachycaulus Lowell Ahart, John Dittes 2008-8-21 15252 Merced On south side of Dutchman Slough, about 220 yards south of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114866  Vulpia bromoides Lowell Ahart, John Dittes, Josephine Guardino 2008-4-11 14641 Merced Grassy mounds, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114902  Glyceria declinata Lowell Ahart, John Dittes, Josephine Guardino 2008-4-11 14643 Merced Dry bare soil at bottom of a vernal pool, about 20 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  JEPS114950  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes, Josephine Guardino 2008-4-13 14697 Merced On the bottom of a vernal pool, about 40 yards southeast of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced 53 Comment
  RSA0108927  Mimulus guttatus Lowell Ahart, John Dittes, Josephine Guardino 2008-4-11 14649 Merced Along the fence, about 20 yards east of the wire gate on the south side of Sandy Mush Road, 3.7 miles west of Highway 99, about 8.5 miles south-southeast of Merced. 53 Comment
  SBBG128896  Trifolium microcephalum L. Ahart, J. Dittes, J. Guardino 2008-4-11 14623 Merced above high margins of vernal pools, ca. 40 yards SE of the wire gate on the S side of Sandy Mush Rd, 3.7 mi W of Hwy 99, ca. 8.5 mi SSE of Merced 53 Comment
  CDA31945  Elytrigia pontica subsp. pontica L. Ahart, John Dittes 2008-8-25 15307 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout Comment
  CDA34281  Iva axillaris subsp. robustior L. Ahart, J. Dittes 2010-8-3 17085 Modoc About 20 yards north of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, and about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC100008  Lepidium appelianum Lowell Ahart; John Dittes 2008-8-25 15287 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC100011  Iva axillaris subsp. robustior Lowell Ahart; John Dittes 2008-8-25 15304 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC100354  Scirpus microcarpus Lowell Ahart; John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC100357  Anthemis cotula Lowell Ahart; John Dittes 2008-8-26 15356 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC100389  Ericameria bloomeri Lowell Ahart; John Dittes 2008-8-26 15337 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC100507  Carex pellita Lowell Ahart; John Dittes 2008-8-26 15355 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC105979  Symphyotrichum ascendens Lowell Ahart; John Dittes 2010-8-30 17053 Modoc Bottom of a small vernal pool, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC106342  Helianthus annuus Lowell Ahart; John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC109678  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2012-7-10 18325 Modoc Along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC110988  Astragalus gibbsii Lowell Ahart; John Dittes 2012-7-12 18374 Modoc Along the poor dirt road to the gravel pit, about 1/10 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1276 Comment
  CHSC111409  Cirsium Lowell Ahart; John Dittes 2012-7-10 18329 Modoc Open meadow, about 300 yeards northeast of the old barn, on the north side of the mowed road. Ash Creek State Wildlife Area, northeast of Bieber, Big Valley. 1266 Comment
  CHSC112776  Elatine californica Lowell Ahart; John Dittes 2013-7-24 18918 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC112814  Collomia grandiflora Lowell Ahart; John Dittes 2013-7-25 18965 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CHSC112817  Isatis tinctoria Lowell Ahart; John Dittes 2013-7-25 18962 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CHSC115517  Veronica anagallis-aquatica Lowell Ahart; John Dittes 2015-7-16 20364 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC116189  Elatine Lowell Ahart; John Dittes 2015-7-15 20353 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117041  Microseris nutans Lowell Ahart; John Dittes 2016-6-6 20958 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC117048  Antennaria luzuloides subsp. luzuloides Lowell Ahart; John Dittes 2016-6-6 20949 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC117232  Centromadia pungens subsp. pungens Lowell Ahart; John Dittes 2016-7-16 21258 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CHSC99514  Elymus trachycaulus subsp. subsecundus Lowell Ahart; John Dittes 2008-6-21 15014 Modoc On the south side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  CHSC99522  Agropyron desertorum Lowell Ahart; John Dittes 2008-6-21 15016 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  CHSC99774  Vulpia myuros var. myuros Lowell Ahart; John Dittes 2008-6-21 15009 Modoc On dry soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  HSC104031  Salix exigua L. Ahart, John Dittes 2008-8-25 15310 Modoc About 3.8 air mi. NNE of Lookout, ~ 1/8 mi. E of County Road 91, on the east bank (flood plain) of the Pit River 1273 Comment
  JEPS114430  Epilobium densiflorum Lowell Ahart, John Dittes 2008-8-26 15341 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS114662  Iva axillaris subsp. robustior Lowell Ahart, John Dittes 2008-8-25 15304 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS114686  Veronica catenata Lowell Ahart, John Dittes 2008-6-21 14998 Modoc On wet soil, in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  JEPS117167  Helianthus annuus Lowell Ahart, John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117363  Prunus subcordata Lowell Ahart, John Dittes 2010-8-30 17062 Modoc Around a large rock, near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS118472  Taraxia subacaulis Lowell Ahart, John Dittes 2011-6-21 17516 Modoc Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS119560  Veronica anagallis-aquatica Lowell Ahart, John Dittes 2012-7-12 18361 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS119655  Ribes aureum var. aureum Lowell Ahart, John Dittes 2012-7-10 18317 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS119666  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2012-7-11 18342 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  JEPS119976  Astragalus gibbsii Lowell Ahart, John Dittes 2012-7-12 18374 Modoc About 1/10 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS121187  Symphyotrichum campestre Lowell Ahart, John Dittes 2013-7-25 18950 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  JEPS121191  Lupinus lepidus var. confertus Lowell Ahart, John Dittes 2013-7-25 18966 Modoc 10 yards W of the N-S fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  JEPS121198  Epilobium brachycarpum Lowell Ahart, John Dittes 2013-7-25 18961 Modoc 30 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  JEPS123862  Cirsium arvense Lowell Ahart, John Dittes 2015-7-16 20384 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS123976  Elatine Lowell Ahart, John Dittes 2015-7-15 20351 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS124304  Cichorium intybus Lowell Ahart, John Dittes 2015-7-15 20344 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  JEPS124307  Carex douglasii Lowell Ahart, John Dittes 2015-7-15 20338 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  JEPS126542  Downingia bacigalupii Lowell Ahart, John Dittes 2016-6-6 20962 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS126553  Eriogonum sphaerocephalum var. halimioides Lowell Ahart, John Dittes 2016-6-6 20953 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS127152  Mimulus breviflorus Lowell Ahart, John Dittes 2016-7-16 21239 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  JEPS127230  Carex praegracilis Lowell Ahart, John Dittes 2016-6-6 20966 Modoc About one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  RSA0037175  Poteridium annuum Lowell A. Ahart, John Dittes 2012-7-11 18341 Modoc Along a poor mowed road, about 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  RSA0058899  Carex nebrascensis Lowell A. Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 0.8 miles (air) northeast of Bieber, Big Valley. 1268 Comment
  RSA0113963  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2013-7-24 18920 Modoc North side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  RSA767683  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-30 17054 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  CDA34651  Conyza sumatrensis L. Ahart 2009-10-12 16419 Napa At the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CDA34654  Helenium puberulum L. Ahart 2009-10-12 16423 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CDA34660  Mentha pulegium L. Ahart 2009-10-12 16440 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CDA34663  Nicotiana acuminata var. multiflora L. Ahart 2009-10-12 16455 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CDA34668  Polypogon interruptus L. Ahart 2009-10-12 16466 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  CHSC102264  Cypselea humifusa Lowell Ahart 2009-10-27 16475 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102267  Erigeron canadensis Lowell Ahart 2009-10-27 16477 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102281  Rumex fueginus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, about 20 miles (air) northwest of Winters. 130 Comment
  CHSC102297  Sonchus asper subsp. asper Lowell Ahart 2009-10-12 16429 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CHSC102304  Solanum americanum Lowell Ahart 2009-10-12 16456 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 437 Comment
  CHSC102518  Croton setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC103024  Lactuca saligna Lowell Ahart 2009-10-12 16425 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CHSC10563  Leptosiphon parviflorus Lowell Ahart 1969-6-7 Napa Near Lake Berryessa. 243 Comment
  JEPS115686  Rumex maritimus Lowell Ahart 2009-10-27 16493 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  JEPS115733  Echinochloa colona Lowell Ahart 2009-10-12 16463 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of 133 Comment
  JEPS115779  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-27 16486 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winte 130 Comment
  RSA769185  Schoenoplectus maritimus L. Ahart 2009-10-12 16460 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  UCD169857  Dittrichia graveolens Lowell Ahart 2009-10-27 16503 Napa Along all the sides of the roads at the intersection of Pope Canyon Road and Berryessa Knoxville Road, near Lake Berryessa, about 20 miles, about 20 miles(air) west of Winters. 152 Comment
  SBBG128692  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa below the high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  CDA1338  Eriogonum wrightii var. subscaposum L. Ahart 2005-8-3 12365 Nevada Donner Pass, SE of Donner Summit. S of old Hwy 80. Comment
  CDA2167  Glyceria declinata L. Ahart 2002-5-28 9673 Nevada South side of McCourtney Road, about 300 yards east of the intersection of McCourtney Road and White Oak Drive, about 1/4 mile southwest of where McCourtney Road crosses Rock Creek, about 2 3/4 miles (air) northeast of Camp Far West Dam. Comment
  CDA31582  Bromus ciliatus L. Ahart 2004-8-9 11370 Nevada About 200 yards south of the GPS location at Catfish Lake, about 200 yards south of Catfish Lake,about 100 yards west of Meadow Lake Road, about 1/2 mile (air) east of Jackson Lake, on a poor logging road. Comment
  CHSC107544  Selaginella watsonii Lowell Ahart 2011-7-23 17581 Nevada On rocks, around the small meadow where there are two grave memorials, about 40 yards west of Bowman Lake road, about 1/8 mile west of the bridge across the South Fork of the Yuba River, about 1 mile (air) north of Highway 20 at the intersection of Bowman Lake Road. 1379 Comment
  CHSC107547  Muhlenbergia filiformis Lowell Ahart 2011-7-23 17611 Nevada In the small meadow where there are two grave memorials, about 40 yards west of Bowman Lake road, about 1/8 mile west of the bridge across the South Fork of the Yuba River, about 1 mile (air) north of Highway 20 at the intersection of Bowman Lake Road. 1379 Comment
  CHSC110919  Madia gracilis Lowell Ahart 2012-7-28 18389 Nevada On the west side of Pioneer Trail, about 30 yards east of the PG and E Pavilion and restrooms, on the east side of Bowman Lake Road, about 30 yards south of the Bear River, Bear Valley. 1433 Comment
  CHSC110920  Lepidium virginicum subsp. menziesii Lowell Ahart 2012-7-28 18402 Nevada On the Pioneer Trail, about 50 yards northeast of the PG and E Pavilion and restrooms, on the east side of Bowman Lake Road, on the east side of the bridge across the Bear River, Bear Valley. 1433 Comment
  CHSC118531  Mimulus torreyi Lowell Ahart; John Dittes, Josephine Guardino 2017-6-26 21419 Nevada About 20 yards southeast of the gate, south of Carpenter Valley Road, about 4 miles (air) west x southwest of Hobart Mills, about 5.2 miles (air) northwest of Truckee, southeast corner of Carpenter Valley. 1908 Comment
  CHSC118538  Mimulus guttatus Lowell Ahart; John Dittes, Josephine Guardino 2017-6-27 21432 Nevada In drying seeps, mountainside, about 200 yards north of Carpenter Meadow, about 4.9 miles (air) northwest of Truckee, Basin of Prosser Creek, Carpenter Valley. 1938 Comment
  CHSC32000  Ericameria cuneata L. Ahart 1974-10-17 662 Nevada N side of Bowman Lake. 1828 Comment
  CHSC69435  Tribulus terrestris Lowell Ahart 1997-8-13 7849 Nevada Penn Valley Road, just east of the intersection of Indian Springs Road and Penn Valley Road, just south of Highway 20, about 1.5 miles west of Penn Valley. 426 Comment
  CHSC69461  Eragrostis cilianensis Lowell Ahart 1997-8-13 7854 Nevada Along the north side of Penn Valley Road, just west of the intersection of Pleasant Valley Road and Penn Valley Road, just south of Highway 20, about 1.5 miles west of Penn Valley. 426 Comment
  CHSC78405  Cinna latifolia Lowell Ahart 2000-7-28 8619 Nevada On the south side of Fall Creek, about 150 yards east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC78496  Senecio triangularis Lowell Ahart 2000-8-10 8632 Nevada Gravel bars, south of the cement dam across Fall Creek, about 1/4 mile east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC78528  Polygonum douglasii subsp. douglasii Lowell Ahart 2000-8-10 8649 Nevada Along a dirt road, dry overflow area south of Fall Creek, about 3/5 mile east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC78550  Agrostis idahoensis Lowell Ahart 2000-8-10 8639 Nevada Gravel bars along Fall Creek, about 1/8 mile east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC78551  Agrostis stolonifera Lowell Ahart 2000-8-10 8631 Nevada Gravel bars along Fall Creek, about 1/8 mile east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC78557  Elymus glaucus subsp. glaucus Lowell Ahart 2000-8-10 8655 Nevada Mountain slope near dirt road and dry flat southeast of the cement dam across Fall Creek, about 1/4 mile east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  CHSC80815  Boechera divaricarpa Lowell Ahart 2001-7-21 8992 Nevada In a large meadow, on the south side of the dirt road, 50 yards east of the old sheep corral, northeast of Lake Van Norden, about 1 1/2 miles east of Soda Springs. 2063 Comment
  CHSC80845  Gayophytum humile Lowell Ahart 2001-7-27 9015 Nevada Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  CHSC80908  Elymus trachycaulus subsp. subsecundus Lowell Ahart 2001-7-21 8997 Nevada Near the edge of a large meadow, on the south side of the dirt road, 30 yards east of the old sheep corral, northeast of Lake Van Norden, about 1 1/2 miles east of Soda Springs. 2063 Comment
  CHSC80925  Arnica chamissonis Lowell Ahart 2001-7-27 9005 Nevada Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  CHSC80959  Navarretia capillaris Lowell Ahart 2001-7-27 9018 Nevada Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  CHSC80966  Rosa gymnocarpa Lowell Ahart 2001-8-8 9055 A Nevada On the sides of Burlington Ridge Road, about 1 mile south of Skillman Flat Campground, about 12 miles (air) northeast of Nevada City. 1219 Comment
  CHSC80990  Glyceria borealis Lowell Ahart 2001-7-27 9036 Nevada Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  CHSC80991  Hordeum jubatum Lowell Ahart 2001-7-27 9035 Nevada Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  CHSC80997  Sparganium emersum subsp. emersum Lowell Ahart 2001-7-27 9039 Nevada Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  CHSC81009  Cryptantha ambigua Lowell Ahart 2001-8-14 9133 A Nevada On the south side of Meadow Lake Road (Forest Road 18), south of and between the two sets of three large culverts where the road crosses Jackson Creek, at the east end of Bowman Lake and west of the major campgrounds and buildings. 1706 Comment
  CHSC81021  Cuscuta californica var. californica Lowell Ahart 2001-8-14 9116 Nevada Outcrop, on the north side of Meadow Lake Road (Forest Road 18), at Bowman Lake. 1706 Comment
  CHSC81027  Trifolium variegatum var. geminiflorum Lowell Ahart 2001-8-14 9156 Nevada On the north side of Meadow Lake Road (Forest Road 18), north of the first set of three large culverts where the road crosses Jackson Creek, closest to the east end of Bowman Lake and west of the major campgrounds and buildings. 1706 Comment
  CHSC81039  Orobanche californica subsp. grayana Lowell Ahart 2001-8-14 9118 Nevada On the bottom and sides of a large snow lake, about 200 feet from the north side of the dirt road, north of Sawmill Lake, about 3 miles (air) northeast of Bowman Lake Dam. 1828 Comment
  CHSC81043  Polygonum aviculare Lowell Ahart 2001-8-14 9142 Nevada On the north side of Meadow Lake Road (Forest Road 18), north of the first set of three large culverts where the road crosses Jackson Creek, closest to the east end of Bowman Lake and west of the major campgrounds and buildings. 1706 Comment
  CHSC81068  Eleocharis quinqueflora Lowell Ahart 2001-8-14 9127 Nevada Small mountain meadow, east of the dirt road that goes to Sawmill Lake, south of Prairie Creek, about 1/4 mile south of campgrounds and buildings at the east end of Bowman Lake. 1737 Comment
  CHSC82071  Trisetum projectum Lowell Ahart 2001-7-21 8991 Nevada Near the pipeline right-of-way, north of the dirt road, about 100 yards northeast of the old sheep corralm northeast of Lake Van Norden, about 1 1/2 miles east of Soda Springs. 2063 Comment
  CHSC82388  Lepechinia calycina Lowell Ahart 2002-5-28 9672 Nevada On top of the road cut, east side of Patterson Valley Road, about 25 yards north of the intersection of Patterson Valley Road and McCourtney Road, about one mile east of the intersection of Indian Springs Road and McCourtney Road, about 6 miles southwest of Grass Valley. 518 Comment
  CHSC87355  Cardamine pachystigma var. pachystigma Lowell Ahart 2004-5-3 10873 Nevada West of the large flat area on the west side of Washington Road, about 1 1/4 miles north of the intersection of Highway 20 and Washington Road, about 4 1/4 miles (by road) south of Washington. 1243 Comment
  CHSC87380  Sanicula tuberosa Lowell Ahart 2004-5-3 10864 Nevada West of the large flat area on the west side of Washington Road, about 1 1/4 miles north of the intersection of Highway 20 and Washington Road, about 4 1/4 miles (by road) south of Washington. 1241 Comment
  CHSC87381  Arctostaphylos viscida subsp. viscida Lowell Ahart 2004-5-3 10867 Nevada West of the large flat area on the west side of Washington Road, about 1 1/4 miles north of the intersection of Highway 20 and Washington Road, about 4 1/4 miles (by road) south of Washington. 1241 Comment
  CHSC87387  Phlox speciosa subsp. occidentalis Lowell Ahart 2004-5-3 10868 Nevada West of the large flat area on the west side of Washington Road, about 1 1/4 miles north of the intersection of Highway 20 and Washington Road, about 4 1/4 miles (by road) south of Washington. 1241 Comment
  CHSC88414  Carex mariposana Lowell Ahart 2004-8-17 11375 Nevada On the east edge of a small snow lake, along Jackson Creek, about 300 yards east of Jackson Lake, at the north base of English Mountain. 2058 Comment
  CHSC88422  Festuca viridula Lowell Ahart 2004-8-9 11338 Nevada About 150 yards south of the mine waste mound, on the east side of the very upper reaches of Jackson Creek, on the northeast side of English Mountain, about 3/4 mile (air) south of Catfish Lake, about 2 3/4 miles east of the east end of Bowman Lake. 2124 Comment
  CHSC88444  Isoetes bolanderi Lowell Ahart 2004-8-17 11389 Nevada West shore of a small drying snow lake, snow lake outlet flows east into Secret Lake, east of a small dry meadow, on the very very upper reaches of Jackson Creek, on the northeast side of English Mountain, about 3/4 mile (air) south of Catfish Lake, about 2 3/4 (air) miles east of the east end of Bowman Lake. 2263 Comment
  CHSC92094  Cryptantha affinis Lowell Ahart 2005-7-31 12212 Nevada Between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit. 2062 Comment
  HSC95353  Vaccinium uliginosum L. Ahart 2003-7-25 10449 Nevada 50 yds. E of log landing in a logged over forest, 1/8 mi. N of Grouse Ridge Rd., 0.5 mi. NE of Bowman Lake Rd., 5 air mi. N of Bear Valley and Hwy. 20 1770 Comment
  HSC97058  Rhodiola integrifolia subsp. integrifolia L. Ahart 2004-8-17 11393 Nevada 100 yds. S of the mine waste mound, E side of upper reaches of Jackson Creek, NE side of English Mtn., 3/4 air mi. S of Catfish Lake, 2 3/4 air mi. E of the E end of Bowman Lake 2125 Comment
  HSC97153  Epilobium ciliatum subsp. glandulosum L. Ahart 2003-7-25 10452 Nevada 50 yds. E of log landing in a logged over forest, 1/8 mi. N of Grouse Ridge Rd., 0.5 mi. NE of Bowman Lake Rd., 5 air mi. N of Bear Valley and Hwy. 20 1770 Comment
  JEPS102328  Eriogonum cernuum Lowell Ahart 2001-8-14 9154 Nevada Bowman Lake, E end; N side of Meadow Lake Road (Forest Rd. 18), W side of the first set of three large culverts where the road crosses Jackson Creek 1706 Comment
  JEPS102362  Rumex salicifolius var. triangulivalvis Lowell Ahart 2001-7-21 8976 Nevada about 1 1/2 mi E of Soda Springs (on S side of dirt road, 50 yds. E of old sheep corral, NE of Lake Van Norden) 2063 Comment
  JEPS102375  Delphinium glaucum Lowell Ahart 2001-8-14 9125 Nevada E of the dirt road to Sawmill Lake, S of Prairie Creek, aabout 1/4 mi S of campgrounds and buildings at the E end of Bowman Lake 1737 Comment
  JEPS102380  Spergularia rubra Lowell Ahart 2001-8-14 9140 Nevada N side of Meadow Lake Road (FS 18), N of the first set of three large culverts where the road crosses Jackson Creek 1706 Comment
  JEPS102386  Lotus purshianus var. purshianus Lowell Ahart 2001-7-27 9045 Nevada On a small gravel bar, strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  JEPS102392  Monardella odoratissima subsp. pallida Lowell Ahart 2001-7-21 8970 Nevada Near the edge of a large meadow, on the south side of the dirt road, 50 yards east of the old sheep corral, NE of Lake Van Norden, about 1 1/2 miles east of Soda Springs. 2063 Comment
  JEPS102582  Polemonium californicum Lowell Ahart 2001-7-21 8995 Nevada Near a small dry stream, on the north side of the dirt road, about 100 yards NE of the old sheep corral, NE of Lake Van Norden, about 1 1/2 miles east of Soda Springs. 2063 Comment
  JEPS102624 Image available Artemisia tripartita Lowell Ahart 2001-7-21 8957 Nevada NE of Lake Van Norden (edge of large meadow, S side of dirt road, 50 yds E of old sheep corral; 1 1/2 mi E of Soda Springs) 2063 Comment
  JEPS102690  Juncus tenuis Lowell Ahart 2001-8-14 9163 Nevada Near a pile of dirt dug out of a small lake and along the poor dirt road, near Round Valley, about 1 mile NW of Graniteville Road (Forest Road 18), about 3/4 mile (air) west of Jackson Meadow Reservoir Dam. 1981 Comment
  JEPS102696  Hordeum jubatum Lowell Ahart 2001-7-27 9035 Nevada Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  JEPS102759  Cuscuta subinclusa Lowell Ahart 2001-8-8 9056 Nevada Along the east side of Burlington Ridge Road, about 1 mile south of Skillman Flat Campground, about 12 miles (air) NE of Nevada City. 1219 Comment
  JEPS102815  Limosella acaulis Lowell Ahart 2001-7-27 9040 Nevada Strand of Prosser Creek Reservoir, south of Commemorative Emigrant Trail, about 1/4 mile east of Highway 89, about 4 miles (air) north of Truckee. 1746 Comment
  JEPS103287  Plagiobothrys glyptocarpus var. glyptocarpus Lowell Ahart 2002-5-4 9585 Nevada East of the private driveway, south side of Perimeter Road, about 2.8 miles east of the intersection of Perimeter Road and White Oak Drive, about 5 miles (air) east of Camp Far West Dam, about 1 1/2 miles (air) SE of Rock Mountain. 243 Comment
  JEPS103291  Achyrachaena mollis Lowell Ahart 2002-5-4 9584 Nevada In the road gutter, S side of Perimeter Road, just W of the private driveway, ca 2.8 miles E of the intersection of Perimeter Road and White Oak Drive, ca 5 miles (air) E of Camp Far West Dam, ca 1 1/2 miles (air) SE of Rock Mountain. 243 Comment
  JEPS104621  Deschampsia elongata Lowell Ahart 2003-7-25 10442 Nevada Log landing in a logged over forest, on the w side of a poor road, ca 100 yd n of the locked gate, ca 1/8 mi n of Grouse Ridge Rd, ca 1/2 mi ne of Bowman Lake Rd (Forest Rd 18), ca 5 mi (air) n of Bear Valley and Highway 20. 1751 Comment
  JEPS105882  Epilobium minutum Lowell Ahart 2004-5-3 10882 Nevada Serpentine ridge, west of the large flat area on the west side of Washington Road, about 1 1/4 miles north of the intersection of Highway 20 and Washington Road, about 4 1/4 miles (by road) south of Washington 1195 Comment
  JEPS106124  Holodiscus microphyllus var. microphyllus Lowell Ahart 2004-8-9 11366 Nevada Near the base of cliffs, on the east side of the very upper reaches of Jackson Creek, on the northeast side of English Mountain, about 3/4 mile (air) south of Catfish Lake, about 2 3/4 miles east of the east end of Bowman Lake 2162 Comment
  JEPS106127  Potentilla flabellifolia Lowell Ahart 2004-8-9 11363 Nevada N of mine waste mound, S of small dry meadow, SW of large snow lake, on the upper reaches of Jackson Creek, on the NE side of English Mountain, ca. 3/4 mi (air) S of Catfish Lake, ca. 2 3/4 mi E of the E end of Bowman Lake 2290 Comment
  JEPS107426  Scleranthus annuus subsp. annuus Lowell Ahart 2005-5-4 11593 Nevada Spenceville Wildlife Management Area. On sides of the road gutter, on the N side of Spenceville Rd (no longer maintained), ca. 150 yd E of the wood bridge across Dry Creek, ca. 3 mi E of the intersection of Camp Far West Rd and Spenceville Rd 107 Comment
  JEPS107433  Athysanus pusillus Lowell Ahart 2005-5-4 11581 Nevada Spenceville Wildlife Management Area. Road bank, on the north side of Spenceville Road (no longer maintained), about 3/4 mile east of the wood bridge across Dry Creek, about 3 3/4 miles east of the intersection of Camp Far West Road and Spenceville Road 169 Comment
  JEPS107531  Heterocodon rariflorum Lowell Ahart 2005-7-23 12195 Nevada Along the north side of a small wash, meadow, under the power lines, about 100 yards west of the paved road, southwest of Lake Spaulding, about 1/2 mile north of Highway 20 1572 Comment
  JEPS107545  Erigeron miser Lowell Ahart 2005-7-31 12208 Nevada Between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit 2062 Comment
  JEPS107863  Madia glomerata Lowell Ahart 2005-7-31 12211 Nevada Between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit 2062 Comment
  JEPS114505  Chenopodium botrys Lowell Ahart 2008-7-18 15125 Nevada Along the P. G. & E. water ditch at the 3 1/4 mile mark, about one mile southwest of Highway 20 (by ditch), about 1/2 mile south of Bear Valley 1744 Comment
  JEPS114779  Achnatherum occidentale subsp. occidentale Lowell Ahart 2008-7-18 15116 Nevada Along the PG&E water ditch at the 3 1/4 mile mark, about one mile southwest of Highway 20 (by ditch), about 1/2 mile south of Bear Valley 1744 Comment
  JEPS119821  Lepidium campestre Lowell Ahart 2012-7-28 18401 Nevada On the east side of Pioneer Trail, about 30 yards east of the P. G. & E Pavilion and restrooms, on the east side of Bowman Lake Road, about 30 yards south of the Bear River, Bear Valley. Comment
  JEPS119828  Plantago lanceolata Lowell Ahart 2012-7-28 18410 Nevada On the east side of Bowman Lake Road, about 130 yards northeast of the P. G. & E Pavilion and restrooms, north side of the bridge across the Bear River, Bear Valley. Comment
  JEPS119970  Carex nebrascensis Lowell Ahart 2012-7-28 18393 Nevada On the west side of Pioneer Trail, about 150 yards east of the P. G. & E Pavilion and restrooms, on the east side of Bowman Lake Road, about 20 yards south of the Bear River, Bear Valley. Comment
  JEPS128593  Juncus mertensianus Lowell Ahart, John Dittes 2017-7-20 21641 Nevada South of Prosser Creek, south side of Carpenter Valley, about 200 yards north of the poor dirt road, about 4 miles (air) west x southwest of Hobart Mills, about 5.2 miles (air) northwest of Truckee, southeast of Carpenter Valley. Comment
  JEPS128634  Monardella odoratissima subsp. pallida Lowell Ahart, John Dittes 2017-7-19 21577 Nevada About 100 yards north of Carpenter Meadow, about 4.9 miles (air) west of Hobart Mills, about 6.1 miles (air) northwest of Truckee, Basin of Prosser Creek, Carpenter Valley. Comment
  JEPS128663  Navarretia divaricata subsp. divaricata Lowell Ahart, John Dittes, Josephine Guardino 2017-6-27 21462 Nevada About 50 yards north of the north edge of Carpenter Meadow, about 50 yards south of the poor dirt road, about 4.9 miles (air) west of Hobart Mills, about 6.1 miles (air) northwest of Truckee, Basin of Prosser Creek, Carpenter Valley. Comment
  JEPS128732  Calyptridium monospermum Lowell Ahart, John Dittes, Josephine Guardino 2017-6-26 21425 Nevada About 40 yards north of Carpenter Valley Road, about 300 yards west of the gate, about 4 miles (air) west x southwest of Hobart Mills, about 5.2 miles (air) northwest of Truckee, southeast corner of Carpenter Valley. Comment
  JEPS95887  Eriogonum marifolium Lowell Ahart 1999-7-26 8106 Nevada on the north side of Grouse Ridge Road (Road 14) and northeast of the Lookout; about 6 miles northeast of Bowman Lake Road (Road 18); about 4 miles (air) south of Bowman Lake 2316 Comment
  JEPS98540  Stellaria crispa Lowell Ahart 2000-7-28 8606 ` Nevada Just southwest of a small spring, on the east side of Fall Creek, about 200 yards east of where Fall Creek crosses Forest Highway 18, or Bowman Lake Road, about 5 miles (air) or 8 miles by road north of Highway 20 and Bear Valley. 1706 Comment
  RSA700784  Bromus orcuttianus L. Ahart 2004-8-9 11369 Nevada about 200 yards south of the GPS location at Catfish Lake, about 200 yards south of Catfish Lake, about 100 yards west of Meadow Lake Road, about 1/2 mile (air) east of Jackson Lake. 1985 Comment
  RSA701080  Carex laeviculmis L. Ahart 2004-8-9 11372 Nevada On the southeast shore of Catfish Lake, about 50 yards west of Meadow Lake Road, about 1/2 mile (air) northeast of Jackson Lake. 1985 Comment
  RSA701081  Carex straminiformis L. Ahart 2004-8-9 11346 Nevada On the east side of the very upper reaches of Jackson Creek, on the northeast side of English Mountain, about 3/4 mile (air) south of Catfish Lake, about 2 3/4 miles east of the east end of Bowman Lake. 2163 Comment
  RSA701235  Potentilla flabellifolia L. Ahart 2004-8-9 11363 Nevada north of the mine waste mound, south of a small dry meadow, southwest of a large snow lake, on the very upper reaches of Jackson Creek, on the northeast side of English Mountain. about 0.75 mi (air) south of Catfish Lake., About 2.75 mi. east of the east end of Bowman Lake. 2291 Comment
  RSA715715  Cardamine oligosperma L. Ahart 2005-5-4 11595 Nevada Wood bridge across Dry Creek, about 3 miles east of the intersection of Camp Far West Road and Spenceville Road. 105 Comment
  RSA715842  Campanula prenanthoides L. Ahart 2005-7-23 12197 Nevada About 100 yards west of the paved road, southwest of Lake Spaulding, about 1/2 mile north of Highway 20. 1573 Comment
  RSA716132  Eleocharis bella L. Ahart 2005-7-23 12161 Nevada Under power lines, about 100 yards west of the paved road, SW of Lake Spaulding, about 1/2 mile N of Highway 20. 1573 Comment
  RSA716176  Astragalus canadensis var. brevidens L. Ahart 2005-7-31 12218 Nevada Donner Summit, about 200 yards southwest of the GPS location, southeast of the bridge on old Highway 80, southeast of Donner Pass and Donner Summit. 2063 Comment
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Nov 29 2010
  RSA716182  Deschampsia danthonioides L. Ahart 2005-7-31 12246 Nevada between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit. 2063 Comment
  RSA716316  Eriogonum wrightii var. subscaposum L. Ahart 2005-8-30 12365 Nevada Normal size stems from a low shrub, on dry bare granite soil, on the old road, south of the old Hiway 80, southeast of Donner Pass and Donner Summit. 2055 Comment
  RSA716564  Mimulus breweri L. Ahart 2005-7-31 12251 Nevada between the curve and below the bridge on old Highway 80, east of Donner Pass and Donner Summit. 2063 Comment
  RSA795718  Melilotus albus L. Ahart 2012-7-28 18411 Nevada East side of Bowman Lake Road, about 130 yards northeast of the PGE Pavilion and restrooms, north of the bridge across the Bear River, Bear Valley. 1434 Comment
  SEINET13711261  Vaccinium uliginosum subsp. occidentale Lowell William Ahart, Lowell William Ahart 2003-1 10449 -A Nevada 5 Air Mi. N of Bear Valley and Hwy 20 (39 Deg 22'34.0"N, 120 Deg 39'49.1'W) (T18N, R12E, sec 31, SE 1/4) 5800 Ft. 1768 Comment
  SEINET245590  Achnatherum occidentale Lowell Ahart 2004-7-17 11269 Nevada Very upper reaches of Steephollow Creek, about 100 yards west of Highway 20, about 150 yards south of the intersection of Highway 20 and Lowell Hill Road, about 2 miles northwest of Bear Valley, about 3 miles southeast of the Omega Rest Area, about 16 mil 1463 Comment
  CDA39427  Allium amplectens L. Ahart 2002-5-28 9670 Nevada About 25 yards northeast of the intersection of Patterson Valley Road and McCourtney Road, about one mile east of the intersection of Indian Springs Road and McCourtney Road, about 6 miles southwest of Grass Valley. Comment
  SEINET10585756  Carex utriculata Lowell Ahart 2001-8-8 Ahart 9062 Nevada T19N, R13E, east of center of Section 31. By a large rock, on the south bank of Catfish Lake, about 3 miles (air) south of the spillway of Jackson Meadow Reservoir. 1890 Comment
  SEINET13710769  Pedicularis racemosa Lowell William Ahart, Lowell William Ahart 2001-1 9061 Nevada Catfish Lake, 3 Air Mi. S of Spillway of Jackson Meadow Reservoir (T19N, R13E, sec 31, E of Ctr.) 6200 Ft. 1890 Comment
  SEINET13711320  Descurainia incana Lowell William Ahart, Lowell William Ahart 2001-1 8963 Nevada NE of Lake Van Norden 1.5 Mi. E of Soda Springs (T17N, R14E, sec 25, NW 1/4) 6770 Ft. 2063 Comment
  SEINET13711321  Cardaria pubescens Lowell William Ahart, Lowell William Ahart 2001-1 8962 Nevada NE of Lake Van Norden 1.5 Mi. E of Soda Springs (T17N, R14E, sec 25, NW 1/4) 6770 Ft. 2063 Comment
  UCSB64024  Dysphania botrys Ahart, Lowell 1974-8-19 Nevada Along the edge of the road below Fuller Lake, this is the road from Highway 20 to Bowman Lake 1524 Comment
  CAS-BOT-BC8778  Delphinium gracilentum f. versicolor Lowell Ahart 1962-7-14 s.n. Placer French Meadows 1676 Comment
  CHSC10553  Calyptridium umbellatum Lowell Ahart 1962-7-14 Placer French Meadows. 1676 Comment
  CHSC11101  Boykinia major Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  CHSC81742  Juniperus occidentalis var. occidentalis Lowell Ahart 2001-10-10 9335 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
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Jan 4 2007
  CHSC82522  Diplacus leptaleus Lowell Ahart 2002-7-22 9903 Placer On the south side of a small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CHSC82570  Erythranthe primuloides Lowell Ahart 2002-7-22 9902 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  CHSC82571  Mimulus moschatus Lowell Ahart 2002-7-22 9901 Placer About 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  CHSC82604  Cryptantha affinis Lowell Ahart 2002-7-22 9880 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  CHSC96470  Plagiobothrys fulvus Lowell Ahart; Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CHSC96471  Lasthenia glaberrima Lowell Ahart; Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CHSC97701  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-13 14593 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  CHSC97765  Gnaphalium palustre Lowell Ahart 2007-11-13 14597 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  JEPS103259  Mimulus torreyi Lowell Ahart 2002-7-22 9904 Placer 50 yards NE of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  JEPS103311  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2002-7-22 9886 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  JEPS103318  Mimulus leptaleus Lowell Ahart 2002-7-22 9903 Placer On the S side of a small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  JEPS113142  Navarretia leucocephala subsp. leucocephala Lowell Ahart, Brian Williams 2007-4-13 13664 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  JEPS113259  Juncus bufonius var. bufonius Lowell Ahart, Brian Williams 2007-4-13 13657 Placer On damp granite soil, on the bottom and sides of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  RSA726776  Lasthenia glaberrima L. Ahart 2007-4-13 13632 Placer About 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 44 Comment
  SBBG121276  Glinus lotoides L. Ahart 2007-11-13 14594 Placer strand of Camp Far West reservoir, ca. 300 yards W of Bear River, ca. 1/8 mi E of McCourtney Rd, ca. 5.5 mi NE of Sheridan 73 Comment
  SEINET11263970  Gilia capillaris Lowell Ahart 2002-7-22 9893 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80.; 0 1780 Comment
  CAS-BOT-BC174366  Eremogone kingii var. glabrescens Lowell Ahart 1983-8-17 4321 Plumas Near Onion Valley, near the Quincy La Porte Road, west of Pilot Pk., north-east of La Porte 2000 Comment
  CAS-BOT-BC219225  Ribes nevadense Lowell Ahart 1989-7-2 6343 Plumas On the NW side and near summit of Pilot Peak, about 10 miles NE of La Porte 2255 Comment
  CAS-BOT-BC295790  Erigeron petrophilus var. sierrensis Lowell Ahart 1981-7-21 2945 Plumas Above the head of Dixon Creek, 1/8 mi. below the Buzzards Roost Ridge, ca. 1.5 mi. N of Pilot Peak 1800 Comment
  CDA2343  Polypogon monspeliensis L. Ahart 2001-8-29 9259 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. Comment
  CDA34127  Juncus confusus L. Ahart, J Guardino 2005-8-9 12265 Plumas Between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. Comment
  CDA34550  Chrysothamnus nauseosus subsp. albicaulis L. Ahart 2008-9-1 15360 Plumas On both sides of the Quincy La Porte Road, northwest of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. Comment
  CDA34753  Dittrichia graveolens L. Ahart, John Dittes 2010-10-5 17302 Plumas North side of Highway 70, Serpentine Canyon, 2.7 miles (air) east-northeast of Rich Bar, 3.9 miles (air)west of Twain. Comment
  CHSC100311  Bromus ciliatus Lowell Ahart 2008-7-16 15075 Plumas Forest floor, edge of a seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC100318  Phacelia mutabilis Lowell Ahart 2008-8-14 15194 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  CHSC100325  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15158 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC100378  Juncus macrandrus Lowell Ahart 2008-8-14 15213 Plumas Meadow (swamp, bog), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 41/2 miles (air) north of La Porte. 1597 Comment
  CHSC100442  Anaphalis margaritacea Lowell Ahart 2008-9-10 15361 Plumas On both sides of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC101942  Platanthera leucostachys Lowell Ahart; John Dittes 2009-7-13 16049 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC102051  Hordeum jubatum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16244 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102058  Calocedrus decurrens Lowell Ahart; John Dittes 2009-7-15 16085 Plumas On dry rocky soil, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CHSC102069  Sedum spathulifolium Lowell Ahart; John Dittes 2009-7-15 16096 Plumas On dry rocky soil, east of the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC102074  Heuchera micrantha var. erubescens Lowell Ahart; John Dittes 2009-7-15 16101 Plumas On broken rock, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC102077  Pyrola dentata Lowell Ahart; John Dittes 2009-7-14 16065 Plumas On dry soil, on the both sides of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CHSC102113  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16228 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102139  Agoseris grandiflora Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16245 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102140  Chenopodium album Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16246 Plumas On dry bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102146  Potentilla norvegica Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16234 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102307  Portulaca oleracea Lowell Ahart; John Dittes 2009-9-7 16389 Plumas Below the high wate line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 5220 Comment
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Dec 18 2016
  CHSC102654  Potentilla glandulosa subsp. ashlandica Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16143 Plumas On dry gravelly soil, bottom of a small wash, on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC102657  Kyhosia bolanderi Lowell Ahart; John Dittes 2009-8-28 16352 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CHSC102678  Crassula aquatica Lowell Ahart; John Dittes 2009-9-7 16388 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC102706  Arnica nevadensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16161 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC102752  Spiranthes porrifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16152 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC102968  Potamogeton crispus Lowell Ahart; John Dittes 2009-9-7 16392 Plumas In 3-4 feet of water, Lake Almanor, about 1000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC103123  Stellaria crispa Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16106 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC103130  Lotus purshianus var. purshianus Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16113 Plumas West of a man made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC103136  Conyza canadensis Lowell Ahart; John Dittes 2009-9-7 16376 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC103149  Rotala ramosior Lowell Ahart; John Dittes 2009-9-7 16383 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC105674  Stachys ajugoides var. rigida Lowell Ahart 2010-10-21 17309 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  CHSC105677  Erigeron inornatus var. inornatus Lowell Ahart 2010-10-21 17307 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak. 1928 Comment
  CHSC105964  Carex athrostachya Lowell Ahart 2010-9-9 17145 Plumas About 20 feet north of the culvert, bottom of Onion Valley Creek, on the east side of Quincy La Porte Road, Onion Valley, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  CHSC10778  Penstemon deustus var. suffrutescens Lowell Ahart 1969-5-11 Plumas 15 miles S. W. of Quincy on Hwy 70. 914 Comment
  CHSC108109  Carex abrupta Lowell Ahart 2011-9-20 17686 Plumas Along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  CHSC108120  Pedicularis racemosa Lowell Ahart 2011-9-17 17666 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC110371  Scirpus congdonii Lowell Ahart 2012-9-5 18439 Plumas At the end of a small stream that flows into the South Fork of the Feather River, about 350 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1889 Comment
  CHSC110979  Carex multicaulis Lowell Ahart 2012-7-1 18249 Plumas About 200 yeards west of Caribuou Road, about 4 miles (air) northeast of Belden. 833 Comment
  CHSC112608  Monardella odoratissima subsp. pallida Lowell Ahart 2013-9-11 19024 Plumas Near large granite boulders, on east side of Antelope Lake, west of the paved road, south of Antelope Creek, about 16 miles (air) northeast of Taylorsville. 1562 Comment
  CHSC112611  Asyneuma prenanthoides Lowell Ahart 2013-9-11 19034 Plumas Gravel bar on the west side of Chips Creek, about 20 yards south of Highway 70, about one mile southwest of Belden. 676 Comment
  CHSC113605  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-9-9 19857 Plumas Below the high water line, sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC113621  Symphyotrichum frondosum Lowell Ahart 2014-8-31 19830 Plumas On the west side of Black Rock Creek, about 250 yards south of the foot bridge across Black Rock Creek, about 250 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC113628  Penstemon roezlii Lowell Ahart 2014-8-31 19828 Plumas Strand, gravel bars along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC113855  Erigeron canadensis Lowell Ahart 2014-9-9 19835 Plumas Below the high water line,on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1074 Comment
  CHSC113866  Pseudognaphalium luteoalbum Lowell Ahart 2014-9-9 19858 Plumas On the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. 1069 Comment
  CHSC113882  Juncus bufonius var. bufonius Lowell Ahart 2014-8-26 19780 Plumas Silt bars on the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC113890  Polygonum minimum Lowell Ahart 2014-8-24 19752 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC113896  Panicum capillare Lowell Ahart 2014-8-26 19794 Plumas On the north side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC115801  Ericameria nauseosa var. oreophila Lowell Ahart; John Deurloo 2015-8-25 20531 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  CHSC115825  Orthilia secunda Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20421 Plumas On the south side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 289 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  CHSC116157  Castilleja tenuis Lowell Ahart 2015-7-4 20275 Plumas About 110 yards south of the paved road to Tamarack Flat, about 1/2 mile west of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam. 1712 Comment
  CHSC23376  Juncus hemiendytus var. hemiendytus Lowell Ahart 1975-7-16 891 Plumas Section 13, eight miles north of La Porte. Found in a meadow, two miles north-east of Little Grass Valley Res. 1828 Comment
  CHSC30854  Cheilanthes gracillima L. Ahart 1980-9-17 2650 Plumas Ca. 0.5 mi w of Fowler Peak. Ca. 8 mi n of La Porte. 1800 Comment
  CHSC32030  Achnatherum occidentale subsp. californicum L. Ahart 1978-7-29 1792 Plumas 0.5 mi below Bunker Hill Mine. 2000 Comment
  CHSC32031  Trifolium depauperatum var. depauperatum L. Ahart 1974-8-3 577 Plumas In a logged area nerar Bunker Hill Creek, below Bunker Hill Mine. 1676 Comment
  CHSC32037  Calochortus leichtlinii L. Ahart 1979-7-18 1999 Plumas S of Onion Valley Reservoir, ca. 1 mi w of Pilot Peak, ca. 12 mi n of La Porte. 1800 Comment
  CHSC34303  Epilobium ciliatum subsp. ciliatum L. Ahart 1981-9-6 3098 Plumas On sand bar along Indian Creek, ca. 1/2 mi sw of jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC34316  Chenopodium berlandieri L. Ahart 1981-9-6 3074 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1 1/2 mi sw of Crescent Mills. 1200 Comment
  CHSC34333  Eleocharis engelmannii L. Ahart 1981-9-6 3101 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of the jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  CHSC40256  Crypsis schoenoides Lowell Ahart; Rob Schlising, Jim Jokerst 1985-8-12 5162 Plumas Near the edge of Highway 70, about 1.7 miles west of Rich Gulch Road, about 2 miles east of Rich Bar. 822 Comment
  CHSC40413  Carex vesicaria Lowell Ahart 1985-7-11 5124 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles northeast of La Porte. 1584 Comment
  CHSC41413  Boechera retrofracta Lowell Ahart 1986-7-25 5370 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak. 1828 Comment
  CHSC41893  Cryptantha torreyana Lowell Ahart 1986-7-25 5372 Plumas Along Cleghorn Bar Road, about 1 1/2 miles west of Finger Board, about 4 miles north-west of Pilot Peak. 1828 Comment
  CHSC42044  Potentilla gracilis var. fastigiata Lowell Ahart 1986-7-15 5364 Plumas Near the edges of meadows, east of the road where there are two springs, about 1 1/2 miles east of the Independent Mine, about 1 mile south-west of Pilot Peak, about 9 miles north-east of La Porte. 1950 Comment
  CHSC43340  Linnaea borealis var. longiflora Lowell Ahart 1975-7-2 839 Plumas About 7 miles north of the Sly Creek Dam. 914 Comment
  CHSC44324  Leptosiphon ciliatus Lowell Ahart 1974-7-30 562 Plumas About 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC45462  Polygonum douglasii subsp. douglasii Lowell Ahart 1977-8-2 1536 Plumas About 1 mile west of Pilot Peak, about 15 miles north-east of La Porte, on a bare open mountain side. 1828 Comment
  CHSC45478  Eriogonum ursinum var. ursinum Lowell Ahart 1969-9-21 922 Plumas On a dry rocky ridge, east of Mount Etna, near the headwaters of Hopkins Creek, about 12 miles north-east of La Porte. 2133 Comment
  CHSC46652  Chimaphila menziesii Lowell Ahart 1989-7-7 6367 Plumas East of Bunker Hill Creek, about 1/2 mile north-east of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CHSC46662  Penstemon deustus var. suffrutescens Lowell Ahart 1989-7-2 6336 Plumas Growing on the north side and near the summit of Pilot Peak, about 10 miles northeast of La Porte. 2255 Comment
  CHSC61781  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-10 7225 Plumas Near the west side of the South Fork of the Feather River, on the north side of the dirt road, about 1 (air) mile south-west of Pilot Peak. 2072 Comment
  CHSC63119  Cryptantha simulans Lowell Ahart 1994-7-7 7460 Plumas Plumas/Sierra Counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC63149  Clarkia rhomboidea Lowell Ahart 1994-7-7 7454 Plumas Plumas County/Sierra County. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC63201  Triteleia montana Lowell Ahart 1994-6-29 7401 Plumas About 1/2 mile south of Bucks Lake. 1828 Comment
  CHSC63237  Sanicula tuberosa Lowell Ahart 1994-6-12 7315 Plumas Near Cedar Flat, on the west side of Faggs Mine Road, south-west of a small branch of Willow Creek, about 1 1/4 miles (air) south of Bucks Lake. 1706 Comment
  CHSC63265  Lewisia nevadensis Lowell Ahart 1994-6-15 7338 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CHSC63287  Carex fracta Lowell Ahart 1994-6-17 7349 Plumas Meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC63298  Clintonia uniflora Lowell Ahart 1994-6-17 7345 Plumas On the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC63302  Triteleia montana Lowell Ahart 1994-6-15 7329 Plumas On the wet side of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CHSC63450  Boechera pinetorum Lowell Ahart 1994-7-22 7493 Plumas Plumas and Sierra counties. Ravine, south of the Pacific Crest Trail, north-west side of the large twin rocks on the north-east side of Mount Etna. 1981 Comment
  CHSC63461  Astragalus whitneyi var. lenophyllus Lowell Ahart 1994-7-20 7473 Plumas Label also says Sierra County. On both sides of the the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. 1981 Comment
  CHSC63467  Eriogonum strictum var. anserinum Lowell Ahart 1994-7-20 7483 Plumas Open bare area, on both sides of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile north-west of Mount Etna. Label said both Plumas and Sierra County. 1981 Comment
  CHSC63485  Juncus nevadensis Lowell Ahart 1994-7-28 7534 Plumas On the sides of a small stream, northeast of Frenchman Hill, southwest of Bucks Lake. 1706 Comment
  CHSC69428  Eriogonum umbellatum var. polyanthum Lowel Ahart 1997-8-19 7871 Plumas On the east side of Lumpkin Ridge Road, about 7 1/2 miles east of Camp 18, about 14 miles (air) northeast of Feather Falls. 1402 Comment
  CHSC69528  Setaria pumila Lowell Ahart 1997-9-11 7906 Plumas On the west edge of Caribou Road, on the west side of the North Fork of the Feather River, about 1/2 mile south of Mosquito Creek, about 4 1/2 miles (air) northeast of Belden. 792 Comment
  CHSC81089  Achillea millefolium Lowell Ahart 2001-8-29 9266 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC81115  Elatine chilensis Lowell Ahart 2001-8-29 9232 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC81145  Ranunculus flammula var. ovalis Lowell Ahart 2001-8-28 9217 Plumas Near strand of Lake Almanor, south of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, where there are springs andon the west side of the poor dirt road, about 3/4 mile northeast of Chester. 1371 Comment
  CHSC81193  Torreyochloa pallida var. pauciflora Lowell Ahart 2001-8-29 9251 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  CHSC81603  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart 2001-10-8 9315 Plumas On the south side of Boulder Creek, below or near the high water line of Antelope Lake, about 24 miles (air) northeast of Quincy. 1524 Comment
  CHSC81616  Elatine triandra Lowell Ahart 2001-10-8 9325 A Plumas In shallow water of a small stream, east of Lost Cove, below the high water line of Antelope Lake, northeast of Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CHSC81773  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-10-16 9381 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC81815  Amelanchier alnifolia var. pumila Lowell Ahart 2001-10-16 9388 Plumas On the northwest side of Round Valley Reservoir, just south of the road, about 2 1/2 miles southwest of Greenville. 1366 Comment
  CHSC82356  Ceanothus integerrimus Lowell Ahart 2002-7-6 9844 Plumas On the west side of the dirt road and east of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  CHSC82444  Panicum acuminatum var. acuminatum Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9817 Plumas On the bottom of the water holding pond, about 150 yards north of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1597 Comment
  CHSC82514  Stellaria umbellata Lowell Ahart 2002-6-26 9757 Plumas In a meadow, on the southwest side of a gravel road, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1741 Comment
  CHSC82544  Eriogonum umbellatum var. modocense Lowell Ahart 2002-7-18 9859 Plumas Basalt ridge, about 1/8 mile north of the intersection of Lumpkin Ridge Road and road to Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1743 Comment
  CHSC84217  Eleocharis quinqueflora Lowell Ahart 2003-7-18 10432 Plumas Along a drainage, in a meadow, about 150 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1752 Comment
  CHSC84223  Eleocharis engelmannii Lowell Ahart 2003-7-18 10427 Plumas In a meadow, on the north side of the road, about 1/4 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1709 Comment
  CHSC84342  Actaea rubra Lowell Ahart 2003-8-13 10502 Plumas On the east side of Hopkins Creek, about 30 yards south of where Hopkins Creek forks, about 1/8 mile south of Turkey Town, about 1 mile (air) southwest of Blue Nose Mountain, about 10 1/2 miles (air) northeast of La Porte. 1524 Comment
  CHSC84415  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2003-8-8 10488 Plumas On the south side of Marble Lane, near a bridge, about 2 1/4 miles (by road) east of Beckwourth Calpine Road, about 4 miles (air) southeast of Beckwourth, Sierra Valley. 1527 Comment
  CHSC84940  Polemonium pulcherrimum var. pulcherrimum Lowell Ahart 2003-10-17 10648 Plumas Cliffs northeast of Humboldt Peak, about 3/4 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2103 Comment
  CHSC84941  Cryptantha torreyana Lowell Ahart 2003-10-26 10683 Plumas On a gravel bar on the east side of the South Fork of the Feather River, where the old road crosses the river, about 1/8 mile west of the Feather Fork Mine, about 1 3/4 miles (air) northeast of Little Grass Valley Reservoir, about 6 1/2 miles (air) northeast of La Porte. 1600 Comment
  CHSC84974  Hazardia whitneyi var. whitneyi Lowell Ahart 2003-10-17 10651 Plumas On the south side of the Pacific Crest Trail, about 1/2 mile northeast of Humboldt Peak, about 1 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2133 Comment
  CHSC87834  Calochortus tolmiei Lowell Ahart; John Dittes, Josephine Guardino 2004-6-6 11003 Plumas On the west side of a small drainage, on the north side of the logging road, about 1 1/2 miles (air) south of Lower Taylor Rock, about 7 1/2 miles (air) northeast of Quincy. 1517 Comment
  CHSC88194  Bromus ciliatus Lowell Ahart 2004-7-27 11314 Plumas Along Hopkins Creek, about 200 yards north of the fork of Hopkins Creek and the East Branch of Hopkins Creek, about 3/4 mile south of Turkeytown, about 1 mile (air) southwest of Blue Nose Mountain, about 10 miles (air) northeast of La Porte. 1645 Comment
  CHSC91911  Symphyotrichum spathulatum var. spathulatum Lowell Ahart; Josephine Guardino 2005-8-9 12258 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC91917  Juncus dubius Lowell Ahart; Josephine Guardino 2005-8-10 12311 Plumas Small meadow, along a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  CHSC91940  Polygonum douglasii subsp. douglasii Lowell Ahart; Josephine Guardino 2005-8-9 12261 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC91941  Madia glomerata Lowell Ahart; Josephine Guardino 2005-8-9 12262 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC91947  Deschampsia elongata Lowell Ahart; Josephine Guardino 2005-8-9 12275 Plumas Depression (mining?) in a small drainage that runs into Fant Creek, west of the meadow, about 250 yards southwest of Fant Creek and the corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC92122  Epilobium ciliatum subsp. glandulosum Lowell Ahart; John Dittes 2005-9-19 12388 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope lake. 2080 Comment
  CHSC92170  Gratiola ebracteata Lowell Ahart; John Dittes 2005-9-19 12392 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2076 Comment
  CHSC92171  Erigeron inornatus var. inornatus Lowell Ahart; John Dittes 2005-9-20 12456 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  CHSC92177  Sorbus californica Lowell Ahart; John Dittes 2005-9-19 12381 Plumas On the edge of the bank, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  CHSC92310  Carex pachystachya Lowell Ahart; Josephine Guardino 2005-8-9 12256 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1635 Comment
  CHSC92822  Festuca pratensis Lowell Ahart; Josephine Guardino 2005-8-9 12293 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1597 Comment
  CHSC94633  Veronica peregrina subsp. xalapensis Lowell Ahart 2006-10-8 13418 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC94969  Calocedrus decurrens Lowell Ahart 2006-9-28 13387 Plumas On the west side of the North Fork of the Feather River, on the west side of Highway 70, at Indian Jim Campground, about 3/4 mile southwest of Chambers Creek. 646 Comment
  CHSC94990  Muhlenbergia filiformis Lowell Ahart 2006-10-23 13500 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC94991  Juncus acuminatus Lowell Ahart 2006-10-23 13488 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC94997  Juncus tenuis Lowell Ahart 2006-10-23 13491 A Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC95004  Saponaria officinalis Lowell Ahart 2006-10-23 13479 Plumas On large gravel, on the southeast side of Slate Creek (there is a large gravel flat caused by the dam), about 80 yards east of where the road ends, about 100 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  CHSC96894  Nemophila parviflora var. austiniae Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13998 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC97084  Juncus balticus subsp. ater Lowell Ahart; Josephine Guardino 2007-7-20 14331 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  CHSC97152  Crepis occidentalis subsp. occidentalis Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 13986 Plumas East side of an open rocky flat, 30 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  CHSC97162  Salix exigua Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14024 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  CHSC97178  Antennaria dimorpha Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14039 Plumas Along the west side of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  CHSC97254  Carex angustata Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14475 Plumas About 100 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  CHSC97264  Madia gracilis Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14462 Plumas About 30 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis. 1761 Comment
  CHSC97534  Alopecurus aequalis Lowell Ahart; John Dittes 2007-6-16 14149 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC97584  Eleocharis macrostachya Lowell Ahart; John Dittes 2007-6-17 14200 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  CHSC97622  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2007-6-16 14104 Plumas Gravel bars along a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  HSC102796  Trifolium wormskioldii L. Ahart 2008-8-13 15185 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  HSC104000  Frangula purshiana subsp. annonifolia L. Ahart 2012-7-1 18255 Plumas About 4 air mi. NE of Belden, ~ 200 yds. NW of Caribou Rd., along the creek 834 Comment
  HSC95568  Carex lenticularis var. lipocarpa L. Ahart 2003-7-18 10431 Plumas 150 yds. S of the road, 3/4 mi. W of Lumpkin Ridge Rd., 1 mi. SE of Tamarack Flat, 2 mi. NW of Little Grass Valley Reservoir dam, 5 mi. NW of La Porte 1731 Comment
  JEPS102560  Gnaphalium palustre Lowell Ahart 2001-10-16 9369 Plumas On the north side of a small stream, and on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS102655  Symphyotrichum frondosum Lowell Ahart 2001-8-29 9268 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS102722 Image available Amelanchier alnifolia var. pumila Lowell Ahart 2001-10-16 9388 Plumas On the NW side of Round Valley Reservoir, just south of the road, about 2 1/2 miles SW of Greenville. 1366 Comment
  JEPS102791  Salix lasiandra var. lasiandra Lowell Ahart 2001-6-4 8754 Plumas On the north side of the South Fork of the Feather River, about 1/4 mile NE of the Feather Fork mine, about 2 miles NE of Little Grass Valley Reservoir, about 6 miles (air) NE of La Porte. 1615 Comment
  JEPS102798  Urtica dioica subsp. holosericea Lowell Ahart 2001-9-24 9203 Plumas Near strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, on the west side of the poor dirt road, about 3/4 mile NE of Chester. 1371 Comment
  JEPS102821  Heterotheca villosa var. minor Lowell Ahart 2001-8-29 9269 Plumas On the west side of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS102828  Polypogon monspeliensis Lowell Ahart 2001-8-29 9259 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  JEPS103325  Lithophragma glabrum Lowell Ahart 2002-6-26 9759 Plumas On the SW side of a gravel road, ca 2 miles (air) NW of Little Grass Valley Reservoir Dam, ca 5 miles (air) NW of La Porte. 1741 Comment
  JEPS104252 Image available Calocedrus decurrens Lowell Ahart 2003-10-15 10636 Plumas On the e side of Forest Rd 22N94E, ca 50 yd south of Forest Rd 22N94, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 4 1/2 mi (air) nw of Tamarack Flat, ca 9 mi (air) nw of La Porte. 1583 Comment
  JEPS104605  Polygonum arenastrum Lowell Ahart 2003-8-8 10486 Plumas On an old abandoned road, on the e side of Beckwourth Calpine Rd, ca 3 mi south of Beckwourth, Sierra Valley. 1482 Comment
  JEPS104615  Carex lenticularis var. impressa Lowell Ahart 2003-7-18 10433 Plumas Seep, on the e side of the road, ca 3/4 mi w of Lumpkin Ridge Rd, ca 1 mi se of Tamarack Flat, ca 2 mi (air) nw of Little Grass Valley Reservoir dam, ca 5 mi (air) nw of La Porte. 1752 Comment
  JEPS106190  Lupinus apertus Lowell Ahart, Josephine Guardino 2004-5-24 10944 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1204 Comment
  JEPS107494  Eurybia integrifolia Lowell Ahart, John Dittes 2005-9-19 12378 Plumas On the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  JEPS107497  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2005-9-19 12387 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  JEPS107631  Descurainia incisa subsp. filipes Lowell Ahart, Josephine Guardino 2005-8-9 12280 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS107638  Agrostis exarata Lowell Ahart, Josephine Guardino 2005-8-9 12285 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS107683  Pteridium aquilinum var. pubescens Lowell Ahart, John Dittes 2005-9-19 12404 Plumas Along the sides of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1989 Comment
  JEPS107723  Achillea millefolium Lowell Ahart, John Dittes 2005-9-20 12436 Plumas Along the dry stream, north of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2041 Comment
  JEPS107730  Glyceria borealis Lowell Ahart, John Dittes 2005-9-19 12386 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  JEPS107736  Panicum capillare Lowell Ahart, John Dittes 2005-9-19 12393 Plumas Below the high water line of Taylor Lake, on the northeast side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  JEPS107942  Juncus occidentalis Lowell Ahart, Josephine Guardino 2005-8-10 12309 Plumas Along a poor logging road, northeast of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  JEPS110423  Poa pratensis subsp. pratensis Lowell Ahart 2006-7-9 12925 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  JEPS110430  Deschampsia elongata Lowell Ahart 2006-7-9 12931 Plumas Near a small seep in a small open area in brush, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Resevoir 1678 Comment
  JEPS110521  Plantago major Lowell Ahart 2006-10-23 13482 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley 1281 Comment
  JEPS113371  Symphoricarpos rotundifolius var. rotundifolius Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14010 Plumas Around trees, east side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS113442  Veronica americana Lowell Ahart, John Dittes 2007-6-17 14182 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  JEPS113514  Pterospora andromedea Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14478 Plumas About 120 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  JEPS113517  Cordylanthus tenuis subsp. tenuis Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14468 Plumas About 60 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  JEPS113558  Artemisia ludoviciana subsp. incompta Lowell Ahart, John Dittes 2007-6-17 14205 Plumas Gravel bar along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  JEPS113599  Mimulus guttatus Lowell Ahart, Josephine Guardino 2007-7-21 14388 Plumas Bottom and sides of a small stream, about 30 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  JEPS113604  Trifolium microcephalum Lowell Ahart, John Dittes 2007-6-16 14101 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113607  Perideridia bolanderi subsp. bolanderi Lowell Ahart, John Dittes 2007-6-16 14146 Plumas On dry gravelly soil, on a low rocky open hill, west of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113614  Veronica peregrina subsp. xalapensis Lowell Ahart, John Dittes 2007-6-16 14090 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113617  Lupinus lepidus var. confertus Lowell Ahart, John Dittes 2007-6-16 14119 Plumas West of a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113651  Deschampsia elongata Lowell Ahart, Josephine Guardino 2007-7-21 14382 Plumas Sides of a small drying stream, about 60 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  JEPS113658  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2007-6-16 14092 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113669  Carex angustata Lowell Ahart, Josephine Guardino 2007-7-21 14387 Plumas About 40 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  JEPS113674  Deschampsia cespitosa subsp. cespitosa Lowell Ahart, Josephine Guardino 2007-7-20 14344 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS113677  Agrostis scabra Lowell Ahart, Josephine Guardino 2007-7-20 14340 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis 1763 Comment
  JEPS113750  Poa secunda subsp. secunda Lowell Ahart, John Dittes 2007-6-16 14142 Plumas On dry gravelly soil, west of a small stream, about 200 yards south of of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113756  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2007-6-16 14104 Plumas Gravel bars along a small stream, on the south side of of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  JEPS113772  Cystopteris fragilis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14017 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS113795  Poa cusickii var. cusickii Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14014 Plumas West side of an open rocky flat, 20 yards west of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS113801  Carex athrostachya Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14032 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  JEPS113811  Carex bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14457 Plumas About 10 yards south of Beckwourth Gensee Road, there is a small quarry east of a poor road, the meadow and stream, about 2 miles (air) north of the north end of Lake Davis 1761 Comment
  JEPS113825  Carex subfusca Lowell Ahart, Josephine Guardino 2007-7-21 14356 Plumas Near a spring, open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis 1787 Comment
  JEPS114355  Boechera rectissima Lowell Ahart 2008-7-16 15084 Plumas Forest floor, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  JEPS114366  Lotus purshianus var. purshianus Lowell Ahart 2008-9-10 15381 Plumas On the sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  JEPS114521  Eurybia radulina Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  JEPS114528  Phacelia mutabilis Lowell Ahart 2008-8-14 15194 Plumas 20 yards northeast of the metal gate, east side of Forest Road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  JEPS114605  Erigeron petrophilus var. sierrensis Lowell Ahart 2008-9-10 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  JEPS114615  Polygonum minimum Lowell Ahart 2008-9-10 15378 Plumas On the bottom and sides of Onion Valley Creek, in the northeast part of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte road, about 9 1/2 miles (air) northeast of La Porte 1916 Comment
  JEPS114827  Deschampsia elongata Lowell Ahart 2008-9-10 15369 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1593 Comment
  JEPS114912  Gratiola ebracteata Lowell Ahart 2008-7-9 15063 Plumas Edges of a small pond, south of the road, about 1/2 mile northwest of the dam at Little Grass Valley Reservoir, about 4 miles (air) northwest of La Porte 1689 Comment
  JEPS115082  Prunella vulgaris var. lanceolata Lowell Ahart, John Dittes 2009-7-13 16042 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  JEPS115090  Rubus leucodermis Lowell Ahart, John Dittes 2009-7-14 16071 Plumas On the south side of Forest Service Road 26N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1677 Comment
  JEPS115096  Apocynum androsaemifolium Lowell Ahart, John Dittes 2009-7-14 16074 Plumas Along Forest Service Road 26N22, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam 1536 Comment
  JEPS115206  Keckiella lemmonii Lowell Ahart, John Dittes 2009-7-15 16099 Plumas On dry rocky soil, northeast of the power line, on the west side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam 1517 Comment
  JEPS115216  Spiranthes porrifolia Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16152 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  JEPS115229  Piperia unalascensis Lowell Ahart, John Dittes 2009-7-15 16088 Plumas On dry rocky soil, open forest, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  JEPS115521  Lindernia dubia var. anagallidea Lowell Ahart, John Dittes 2009-9-7 16403 Plumas On damp bare soil, below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  JEPS115562  Barbarea orthoceras Lowell Ahart, John Dittes 2009-7-27 16165 Plumas On dry to damp soil, below a small dam, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam 1479 Comment
  JEPS115680  Portulaca oleracea Lowell Ahart, John Dittes 2009-9-7 16389 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam Comment
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Dec 18 2016
  JEPS115781  Ceanothus cordulatus Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15868 Plumas East of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  JEPS115788  Mimulus mephiticus Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15853 Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  JEPS115794  Epilobium minutum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15863 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  JEPS115797  Polygonum polygaloides subsp. kelloggii Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15896 Plumas About 200 yards northwest of Lake Almanor Dam, depressions in mined over area 1421 Comment
  JEPS115866  Collinsia parviflora Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15867 Plumas East of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  JEPS115890  Danthonia californica var. americana Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16159 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  JEPS115896  Melica subulata Lowell Ahart, John Dittes, Josephine Guardino 2009-7-21 16104 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor 1302 Comment
  JEPS115972  Juncus effusus var. exiguus Lowell Ahart, John Dittes 2009-7-28 16201 Plumas On damp bare soil, center of a logging road, near seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  JEPS117531  Carex athrostachya Lowell Ahart 2010-9-9 17145 Plumas About 20 feet north of the culvert, bottom of Onion Valley Creek, on the east side of Quincy La Porte Road, Onion Valley, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  JEPS117645  Carex hoodii Lowell Ahart 2010-7-27 16930 Plumas North road bank of Forest Road 22N68, 150 yards west of the South Fork of the Feather River, about 1/4 mile southwest of the Feather Fork Mine, about 1 1/2 miles (air) northeast of Little Grass Valley Reservoir 1575 Comment
  JEPS118348  Juncus occidentalis Lowell Ahart 2011-9-17 17667 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir 1595 Comment
  JEPS119929  Actaea rubra Lowell Ahart 2012-9-5 18433 Plumas About 200 yards east of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  JEPS120752  Linaria vulgaris Lowell Ahart 2013-9-11 19028 Plumas Grave bar on the north side of the Feather River, about 20 yards west of Chips Creek, about 50 yards south of Hwy 70, about one mile southwest of Belden. Comment
  JEPS122089  Galium triflorum Lowell Ahart 2014-8-26 19790 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS122298  Salix melanopsis Lowell Ahart 2014-8-31 19810 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  JEPS122301  Navarretia leptalea subsp. leptalea Lowell Ahart 2014-8-31 19829 Plumas On the east side of Black Rock Creek, about 300 yards south of the foot bridge across Black Rock Creek, about 300 yards south of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. Comment
  JEPS122311  Echinochloa crus-galli Lowell Ahart 2014-9-9 19859 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS122325  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2014-9-9 19857 Plumas Below the high water line, on the sides of Sly Creek, Sly Creek Reservoir, about 7 miles (air) southwest of La Porte. Comment
  JEPS123952  Orthilia secunda Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20421 Plumas On the south side of Blue Lake, 2,710 feet north of Forest Service Road 29N18, 2.89 air miles west-southwest of Sifford Mt., 6.26 air miles south-southeast of Lassen Peak. Comment
  JEPS127236  Poa cusickii subsp. cusickii Lowell Ahart 2016-6-29 21061 Plumas About 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS127344  Pyrola dentata Lowell Ahart 2016-7-9 21098 Plumas About 1/2 mile southeast of Table Mountain, about 1 1/2 miles (air) northwest of of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  JEPS87531  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-24 7263 Plumas on n side of trail about 400 yd ne trail head (about 1/10 mi e of the Quincy La Porte Rd, about 1 mi w of Pilot Peak); Pacific Crest Trail 1920 Comment
  JEPS87598  Osmorhiza berteroi Lowell Ahart 1994-7-7 7453 Plumas n side of trail about 3 (air) mi se Pilot Peak (Plumas and Sierra Cos.); Pacific Crest Trail, Bunker Hill Ridge 2011 Comment
  JEPS87647  Claytonia rubra subsp. rubra Lowell Ahart 1994-7-7 7465 Plumas about 0.75 air mi s Pilot Peak (n side of Pacific Crest Trail, Plumas and Sierra Counties); Bunker Hill Ridge 2011 Comment
  JEPS95053  Ericameria nauseosa var. oreophila Lowell Ahart 1997-9-11 7903 Plumas about 1/2 mi s of Mosquito Creek (about 4 1/2 air mi ne of Beldon, on w idge of Caribou Road, on w side of the North Fork of Feather River); North Fork of Feather River, Caribou Road 792 Comment
  JEPS95126  Eriogonum vimineum Lowell Ahart 1997-9-11 7905 Plumas about 1/2 mi s of Mosquito Creek (about 4 1/2 air mi ne of Beldon, on the e edge of Caribou Road, on w side of the North Fork of the Feather River); North Fork of the Feather River 792 Comment
  JEPS95553 Image available Orobanche fasciculata Lowell Ahart 1994-7-7 7458 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 2011 Comment
  RSA0039309  Aster radulinus Lowell Ahart 2008-8-14 15211 Plumas 300 yards northeast of the metal gate, east side of Forest Road 22N68, about 100 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  RSA0039367  Thysanocarpus curvipes var. curvipes Lowell Ahart, Richard Rabeler, L. P. Janeway, Linnea Hanson 2005-4-20 11747 Plumas On the north side of Highway 70, about 1/8 mile east of Chambers Creek, about 1 mile northeast of Indian Jim Campground. 629 Comment
  RSA0058869  Sanicula graveolens Lowell A. Ahart 2008-7-16 15099 Plumas West of a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir,, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  RSA0058874  Cryptantha affinis Lowell A. Ahart 2008-7-9 15053 Plumas About 20 yards north of the dirt road, about 1/4 mile east of the Feather Fork mine, road is east of the main road and will take you east to the paved County Road, about 6 miles (air) northeast of La Porte. 1686 Comment
  RSA715664  Polygonum douglasii L. Ahart 2005-8-9 12261 Plumas Between Lights Creek and Fant Creek, W of Forest Road 27N09 about 6 miles (air) NW of the Boulder Creek Work Center at Antelope Lake. 1636 Comment
  RSA716796  Athyrium filix-femina subsp. cyclosorum L. Ahart, John Dittes 2005-9-20 12441 Plumas East of the end of Forest Road, northeast of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2062 Comment
  RSA716802  Salix lucida subsp. lasiandra L. Ahart, John Dittes 2005-9-20 12453 Plumas S side of Forest Road 27N34, about 1 mile NE of Eisenheimer Peak, about 3/4 of a mile S of Wilcox Valley 1985 Comment
  RSA716879  Thinopyrum intermedium L. Ahart 2005-9-20 12459 Plumas on the south side of the forest road 27N34m about 1 mile Northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1985 Comment
  RSA726354  Polygonum douglasii L. Ahart, John Dittes 2007-6-16 14091 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  RSA726364  Castilleja applegatei L. Ahart, John Dittes, Josephine Guardino 2007-6-9 14054 Plumas About a mile (air) north of the north end of Lake Davis. 1858 Comment
  RSA726446  Agoseris glauca var. monticola L. Ahart, John Dittes 2007-6-17 14167 Plumas About 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1655 Comment
  RSA754546  Lepidium virginicum var. pubescens L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16225 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  RSA754549  Mentha arvensis L. Ahart, John Dittes, Josephine Guardino 2009-7-29 16243 Plumas Below the high water line of Lake Almanor, 1849 feet NW of Lake Almanor Dam. 1591 Comment
  RSA755684  Kelloggia galioides L. Ahart, John Dittes 2009-7-15 16083 Plumas Along a small wash on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  RSA755774  Festuca subulata L. Ahart, John Dittes, Josephine Guardino 2009-7-21 16107 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 air miles southwest of Lake Almanor. 1303 Comment
  RSA768930  Erigeron inornatus var. inornatus L. Ahart, John Dittes 2010-10-21 17307 Plumas About 5 yards west of the spring, on the south side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2.5 air miles northeast of Pilot Peak. 1929 Comment
  RSA794839  Hackelia californica L. Ahart, John Dittes, Josephine Guardino 2009-6-15 15906 Plumas About 100 yards west of the Lake Almanor Dam. 1422 Comment
  RSA795331  Carex heteroneura var. heteroneura L. Ahart 2010-7-27 16932 Plumas North side of Forest Road 22N68, about 150 yards north of the South Fork of the Feather River, about 0.25 miles southwest of Feather Fork Mine, about 1.5 air miles northeast of Little Grass Valley Reservoir. 1635 Comment
  SBBG119863  Blepharipappus scaber L. Ahart, J. Dittes 2003-8-8 10484 Plumas E side of Beckwourth Calpine Rd, ca. 3 mi S of Beckwourth, Sierra Valley 1482 Comment
  SBBG128096  Deschampsia cespitosa subsp. cespitosa L. Ahart, J. Dittes, J. Guardino 2009-7-29 16 210 Plumas bottom of a snow lake, on the S side of Forest Rd 26N67F3, 1.2 mi NE of Rush Crk Hill, 2.6 mi ESE of Caribou Powerhouse 1677 Comment
  SBBG128285  Acer macrophyllum L. Ahart, J. Dittes 2009-7-13 16047 Plumas N side of Forest Service Rd 27N98, headwater of Clear Crk, ca. 2.0 mi N of Butt Valley Reservoir Dam, ca. 3 mi SW of Lake Almanor Reservoir Dam 1476 Comment
  SBBG128586  Ericameria nauseosa var. speciosa L. Ahart 2008-9-10 15360 Plumas both sides of the Quincy La Porte Rd, NW of E Branch Crk, ca. 1 3/4 mi (air) S of Little Grass Valley Reservoir, ca. one mi NE of La Porte 1593 Comment
  SD130996  Schoenoplectus subterminalis Lowell Ahart 1980-9-17 2655 Plumas In lake, I(c) mile west of Fowler Park. 1600 Comment
  SD192838  Juncus nevadensis var. nevadensis Lowell Ahart 2008-9-10 15373 Plumas South edge of Onion Valley, ca. 0.75 mile northwest of Pilot Peak, ca. 0.5 mile east of the Ouincy La Porte Road, ca. 9.5 miles northeast of La Porte. 1915 Comment
  SEINET12765121  Phacelia humilis var. humilis Lowell Ahart 2007-6-8 14005 Plumas 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis.; 0 1966 Comment
  UC1562394  Listera convallarioides Lowell Ahart 1990-7-16 6569 Plumas about 1/2 mi ne Independent Mine (on s bank of South Fork Feather River, about 3 1/2 mi ne of Little Grass Valley Reservoir); South Fork Feather River 1828 Comment
  UCD169861  Juncus tenuis Lowell Ahart; John Dittes 2009-9-7 16390 A Plumas About 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  CAS-BOT-BC311032  Heterotheca oregona var. compacta Lowell Ahart 1981-9-6 3067 Plumas About 6 miles N of Taylorsville 1300 Comment
  CAS-BOT-BC391477  Aconitum columbianum subsp. columbianum Lowell Ahart 1981-7-21 2949 Plumas Near Dixon Creek, north of Pilot Peak 1600 Comment
  CAS-BOT-BC422048  Rumex acetosella Lowell Ahart 1985-9-26 5170 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte 1584 Comment
  CAS-BOT-BC56989  Equisetum arvense Lowell Ahart 1968-5-20 s.n. Plumas Sam's Camp, near Webber Lake, Lodgepole Forest 2133 Comment
  CAS-BOT-BC65501  Adiantum aleuticum Lowell Ahart 1979-8-4 s.n. Plumas About 1 mile west of Pilot Pk. 1800 Comment
  CDA33193  Eleocharis acicularis var. occidentalis L. Ahart 2001-8-28 9195 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester Comment
  JEPS102566  Ranunculus aquatilis Lowell Ahart 2001-10-16 9378 Plumas 2 1/2 mi SW of Greenville (Round Valley Reservoir, SW side) 1363 Comment
  SBBG121528  Potentilla rivalis L. Ahart 2007-6-17 14181 Plumas Red Clover Crk ca. 30 yards E of County Rd 111 (Beckwourth Genesee Rd), ca. 0.25 mi E of bridge across Red Clover Crk, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1654 Comment
  SBBG121615  Polystichum imbricans subsp. imbricans L. Ahart 2006-10-23 13470 Plumas W side of Slate Crk, ca. 50 yards N of where the rd ends, ca. 100 yards N of the dam across Slate Crk, ca. 1/8 mi NE of Scales Rd, ca. 5.5 mi NE of Strawberry Valley 1281 Comment
  SBBG128276  Collinsia rattanii L. Ahart, J. Dittes, J. Guardino 2009-6-14 15859 Plumas NW of cut bank of Forest Rd 27N01Y, ca. 1.3 mi W of Lake Almanor Dam 1462 Comment
  SEINET10479516  Eriogonum lobbii Lowell Ahart, Peter Ahart 1983-8-17 Ahart 4325 Plumas Near Onion Valley, west of Pilot Peak, near the Quincy-LaPorte Rd, northeast of La Porte. Red Fir Forest; 2000 m. 2000 Comment
  SEINET10485202  Lupinus dalesiae Lowell Ahart, Peter Ahart 1983-6-14 Ahart 4193 Plumas Along bank of South Fork of Feather River, s of Feather Fork Mine, ca. 1.5 mi ne of Little Grass Valley REservoir, ca. 5 mi n of La Porte. Red Fir Forest. 1750 Comment
  SEINET10497114  Plagiobothrys scouleri Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5175 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SEINET10898116  Limosella aquatica Lowell Ahart, Peter Ahart 1985-9-26 Ahart 5171 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SEINET10965512  Spergularia rubra Lowell Ahart 1984-6-3 Ahart 4657 Plumas On a road along Hwy 70, at Keddie, N of Quincy; Yellow Pine Forest; 1000 m. 1000 Comment
  SEINET13709633  Centaurea maculosa Lowell William Ahart, Lowell William Ahart 2001-1 8887 Plumas Hwy 89 W of Spillway at Lake Almanor (T27N, R8E, sec 28, NW 1/4) 4510 Ft. 1375 Comment
  SEINET13710152  Cryptantha torreyana Lowell William Ahart, Lowell William Ahart 2001-1 8934 Plumas Branch of Butt Creek, N Side of Dirt Road W of Ruffa Ranch, about 1 Air Mi. N of Eagle Rocks, 2 Air Mi. NE Humboldt Summit (T27N, R5E, sec 21, SW 1/4), 5600 Ft. 1707 Comment
  SEINET13710280  Epilobium ciliatum subsp. ciliatum Lowell William Ahart, Lowell William Ahart 2001-1 9242 Plumas Frenchman Lake on Last Chance Creek (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  SEINET13710281  Potentilla biennis Lowell William Ahart, Lowell William Ahart 2001-1 9237 Plumas Frenchman Lake on Little Last Chance Creek (T24N, R16E, sec 8, SE 1/4) 5580 Ft. 1701 Comment
  SEINET13710601  Pyrrocoma uniflora Lowell William Ahart, Lowell William Ahart 2001-1 9269 Plumas Little Last Chance Creek at Frenchman Lake (T24N, R16E, sec 8, SE 1/4) Comment
  CHSC11608  Funastrum hirtellum Lowell Ahart 1962-4-16 San Bernardino Near Twentynine Palms. 914 Comment
  CHSC83942  Lupinus congdonii Emma M. Ahart 2003-3-19 San Diego Flat area in Palm Canyon, about 100 yards south of the road, south of Road S3, about 12 miles southwest of Borrego Springs, in Anza-Borrego Desert State Park. 914 Comment
  CHSC83973  Salvia carduacea Emma M. Ahart 2003-3-22 San Diego Box Canyon, near Highway S2, in Anza-Borrego Desert State Park. 1219 Comment
  CHSC112473  Veronica catenata Lowell Ahart; John Dittes 2013-6-9 18791 Shasta On the bottom of a deep irrigation ditch, Hollenbeck Field, 950 feet east of Rat Farm Boat Launch, 3.4 air-miles north of McArthur, Fall River Valley, McArthur Swamp. 1007 Comment
  CHSC115558  Lythrum salicaria Lowell Ahart; John Dittes 2015-7-15 20358 Shasta South side of Fall River, on the north side of County Road A19, 3.8 miles west of McArthur, Fall River Valley. 1006 Comment
  CHSC118545  Lepidium latipes var. latipes Lowell Ahart; John Dittes, Josephine Guardino 2017-6-15 21404 Shasta Along poor dirt road extending from end of Mackey's Cove Road to northeast shore of Fall River Lake, about 0.5 mile northwest of airport runway, about 1.2 miles (air) north of Fall River Mills, Fall River Valley. 1008 Comment
  CHSC84045  Trifolium striatum Lowell Ahart; John Dittes 2003-5-22 10181 Shasta Just west of the gate, on the road, on the south side of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 271 Comment
  CHSC84093  Lasthenia californica Lowell Ahart; John Dittes 2003-5-12 10132 Shasta Near a marshy vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  CHSC84106  Psilocarphus oregonus Lowell Ahart; John Dittes 2003-5-12 10137 Shasta In a vernal pool, near a marshy vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  CHSC84109  Scribneria bolanderi Lowell Ahart; John Dittes 2003-5-12 10168 Shasta In a vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  CHSC84121  Trifolium microcephalum Lowell Ahart; John Dittes 2003-5-12 10153 Shasta Near a vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  CHSC84136  Isoetes nuttallii Lowell Ahart; John Dittes 2003-5-12 10128 Shasta In a vernal pool, about 250 yards south of the barn, about 1/4 mile south of the Coleman Canal, 2.8 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 12 miles (air) east-northeast of Cottonwood. 265 Comment
  CHSC96684  Castilleja lacera Lowell Ahart; John Dittes, Andrea Craig 2007-5-13 13839 Shasta About 100 yards north of a poor dirt road, about 1/4 mile north of Digger Creek, about 1/2 mile north of Manton Road, about 4.3 miles east northeast of the intersection of Manton Road and Wildcat Road, about 1 1/2 miles (air) southwest of Manton. 256 Comment
  JEPS104055  Leontodon saxatilis subsp. longirostris Lowell Ahart 2003-5-22 10190 Shasta North side of a wash, w of the poor dirt road, ca 150 yd south of the Coleman Canal, ca 1 1/8 mi w of the barn, 4 mi (air) wsw of Darah Springs State Fish Hatchery, ca 11 mi (air) ene of Cottonwood. 259 Comment
  JEPS104096  Scribneria bolanderi Lowell Ahart 2003-5-12 10168 Shasta In a vernal pool, ca 250 yd south of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  JEPS104216  Trifolium dubium Lowell Ahart 2003-5-22 10183 Shasta Just w of the gate, on the road, on the south side of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 271 Comment
  JEPS104355  Trifolium ciliolatum Lowell Ahart 2003-5-12 10148 Shasta About 100 yd e of the barn, ca 1/4 mi south of the Coleman Canal, 2.8 mi (air) wsw of Darah Springs State Fish Hatchery, ca 12 mi (air) ene of Cottonwood. 265 Comment
  RSA0045629  Lonicera interrupta Lowell A. Ahart, John Dittes 2008-6-19 14854 Shasta About 5 yards east of the Pit River, about 150 yards southwest of the intersection of Cassel-Fall River Road and Dee-Knoch Road, about 1/4 mile southeast of HIghway 299 in Fall River Mills. 993 Comment
  SEINET3450677  Daucus pusillus Lowell Ahart, John Dittes 2003-5-22 10200 Shasta Cottonwood, Cottonwood, about 11 air miles east/northeast, north side of the small water ditch, east of the poor dirt road, about 150 yards south of the Coleman Canal, about 1 1/8 miles west of the barn, 4 air miles west/southwestof Darah Springs State Fish Hatchery 250 Comment
  SEINET3450724  Salix lucida subsp. lasiandra Lowell Ahart, John Dittes 2003-5-22 10203 Shasta Cottonwood, Cottonwood, about 11 air miles east/northeast, 4 air miles west/southwestof Darah Springs State Fish Hatchery, about 1 1/8 miles west of the barn, about 150 yards south of the Coleman Canal, east of the poor dirt road 250 Comment
  CAS-BOT-BC170323  Polygala cornuta var. cornuta Lowell Ahart 1982-7-28 3686 Sierra 1/4 mile north of the Pacific Mine, about 5 miles east of La Porte 1700 Comment
  CAS-BOT-BC261613  Eriogonum nudum var. nudum Lowell Ahart 1980-9-9 2601 Sierra Between the outlet of Webber Lake and Little Truckee River 2200 Comment
  CAS-BOT-BC267037  Muhlenbergia filiformis Lowell Ahart 1977-8-2 s.n. Sierra Found on the N side of Mount Fillmore, on the N side of Mount Fillmore 2000 Comment
  CAS-BOT-BC47623  Primula suffrutescens Lowell Ahart 1976-10-11 s.n. Sierra On the north side of Mt. Fillmore 2286 Comment
  CHSC105551  Ribes cereum var. cereum Lowell Ahart 2010-9-15 17160 Sierra About 20 yards southeast of the cabin, about 20 yards southeast of the upper pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  CHSC105825  Agrostis idahoensis Lowell Ahart 2010-8-3 17036 Sierra Disturbed area along a small stream that flows into Negro Creek east side of the poor logging road, about 100 yards east of Negro Creek, about 1/4 mile (air) southwest of the Burlington Mine, about 1 3/4 miles (air) southwest of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 8 miles (air) northeast of Alleghany. 1731 Comment
  CHSC10659  Aspidotis densa Lowell Ahart 1967-9-29 Sierra Near Sam's Camp. 2438 Comment
  CHSC108093  Pterospora andromedea Lowell Ahart 2011-9-23 17715 Sierra Forest floor, west of a small stream that flows into Pass Creek, about 100 yards north of Pass Creek, about 300 yards south of Hennas Pass Road, west of French Meadow, east of Forest Road 70, about 3 miles (air) northwest of Webber Lake. 2016 Comment
  CHSC115259  Madia gracilis Lowell Ahart 2015-5-9 20169 Sierra On the north side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 49, about one mile west of Indian Valley. 692 Comment
  CHSC115261  Castilleja applegatei subsp. pinetorum Lowell Ahart 2015-5-9 20173 Sierra On the south side of the Canyon Creek Trail, trail on the north side of the North Fork of the Yuba River, about 300 yards west of Highway 40, about one mile west of Indian Valley. 692 Comment
  CHSC25493  Silene invisa L. Ahart 1977-7-15 1477 Sierra Near a small wash. Found on n side of Mt. Fillmore, ca. 10 mi ne of La Porte. 2000 Comment
  CHSC32065  Ericameria bloomeri L. Ahart 1975-9-28 992 Sierra Along edge of rd , ca. 2 mi nw of Sattley, Sierra Valley, along Hwy 49 above Sierra Valley. 1676 Comment
  CHSC37209  Calyptridium umbellatum L. Ahart 1982-7-28 3717 Sierra On dry bare loose coarse soil near the road at the Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC37221  Sedum obtusatum subsp. boreale L. Ahart 1982-7-28 3700 Sierra Ca. 1/4 mi n of Pacific Mine, Ca. 5 mi e of LaPorte. 518 Comment
  CHSC37227  Scutellaria californica L. Ahart 1982-7-28 3692 Sierra Ca 1/4 mi n of Pacific Mine, ca. 5 mi e of LaPorte. 1700 Comment
  CHSC43317  Phacelia vallicola Lowell Ahart 1978-6-4 1770 Sierra On a dry rocky ridge above the Foote Road, about 5 miles south of Alleghany, 1219 Comment
  CHSC44593  Elymus elymoides subsp. californicus Lowell Ahart 1977-8-2 1517 Sierra On a ridge on the west side of Mount Fillmore, near the summit of Mount Fillmore, about 12 miles north-east of La Porte. 2194 Comment
  CHSC46170  Cystopteris fragilis Lowell Ahart 1976-5-22 1126 Sierra Along Goodyears Bar Road. 914 Comment
  CHSC47380  Boechera divaricarpa Lowell Ahart 1985-7-13 877 Sierra On a gravel bar along Pass Creek, in French Meadows, about 3 miles west and 1/2 mile south of Webber Lake. 2133 Comment
  CHSC50702  Alopecurus aequalis Lowell Ahart 1990-6-29 6531 Sierra On the bottom of Poverty Hill Mine (hydraulic mine). 1524 Comment
  CHSC54551  Hieracium scouleri Lowell Ahart 1991-7-22 6672 Sierra On the west side of a dirt road, near a small hydrolic mine, near Burlington, about 1 mile north-east of Harris Meadow, about 1 1/4 miles north-east of Granite Mountain. 1828 Comment
  CHSC54557  Silene bernardina Lowell Ahart 1991-7-29 6701 Sierra On the west side of Negro Creek, west of Burlington, about 1 mile north-east of Harris Meadow, about 1 1/4 miles north-east of Granite Mountain. 1828 Comment
  CHSC54560  Allotropa virgata Lowell Ahart 1991-7-22 6670 Sierra Near Burlington, about 1 mile north-east of Harris Meadow, about 1-1/4 miles north-east of Granite Mountain. 1828 Comment
  CHSC54561  Rhododendron neoglandulosum Lowell Ahart 1991-7-22 6671 Sierra On the east side of the dirt road, near a small hydrolic mine, near Burlington, about 1 mile north-east of Harris Meadow, about 1-1/4 miles north-east of Granite Mountain. 1828 Comment
  CHSC54567  Erythranthe breweri Lowell Ahart 1991-7-22 6679 Sierra Along a small stream in French Meadow, about 1/4 miles south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC54585  Trifolium monanthum subsp. monanthum Lowell Ahart 1991-7-22 5581 Sierra In French Meadow, about 1/4 mile south of Henness Pass Road, about 3 miles north-west of Webber Lake. 2133 Comment
  CHSC61798  Pectiantia breweri Lowell Ahart 1993-8-10 7192 Sierra Along the edges of a small stream, at the end of a poor dirt road where there is a camp and water ditch, on the north side of Mt. Fillmore, about 1 mile south-west of the dirt road from Gibsonville to Johnsville. 2133 Comment
  CHSC63116  Erigeron reductus var. reductus Lowell Ahart 1994-7-1 7432 Sierra South of the larger pond, on the north side of Henness Pass Road, at Keystone Gap, east of Keystone Mountain, about 1 1/2 miles north-east of Middlewaters, about 11 miles (air) north-east of Alleghany. 1889 Comment
  CHSC65172  Leptosiphon ciliatus Lowell Ahart 1995-8-7 7596 Sierra On the south side of the Pacific Crest Trail, on Bunker Hill Ridge, about 1/2 mile (air) south-west of Pilot Peak. 2011 Comment
  CHSC66528  Leptosiphon ciliatus Lowell Ahart 1996-7-25 7691 Sierra Along the dirt road, old Henness Pass Road, French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CHSC66596  Stellaria obtusa Lowell Ahart 1996-7-25 7696 Sierra On the east side of a small stream, south of the Old Henness Pass Road, just west of French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CHSC66599  Sidalcea glaucescens Lowell Ahart 1996-7-25 7694 Sierra Old Henness Pass Road, French Meadow, about 2 miles west of Webber Lake. 1950 Comment
  CHSC81020  Chenopodium berlandieri Lowell Ahart 2001-8-10 9074 Sierra Strand of Sampede Reservoir, about 1 mile southwest of Henness Pass Road, about 1 1/4 miles northwest of the Stampede Reservoir Dam. 1810 Comment
  CHSC81072  Juncus orthophyllus Lowell Ahart 2001-8-8 9067 Sierra In a large mountain meadow, Haypress Valley, 100 yards south of Yuba Pass Webber Lake Road (Forest Road 12), about 1/2 mile northwest of Church Camp, about 4 miles (air) northwest of Webber Lake. 2133 Comment
  CHSC94115  Gilia capitata subsp. mediomontana Lowell Ahart 2006-6-21 12821 Sierra On the south side of the Foote Road, about 1.3 miles (by road) southwest of Alleghany. 1305 Comment
  CHSC94193  Monardella odoratissima subsp. glauca Lowell Ahart 2006-6-28 12882 Sierra On the south slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1903 Comment
  CHSC94225  Castilleja applegatei subsp. pinetorum Lowell Ahart 2006-6-28 12879 Sierra On the south slope and near the top of the serpentine area, about 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1903 Comment
  CHSC94238  Claytonia parviflora subsp. parviflora Lowell Ahart 2006-6-21 12850 Sierra On the south side of the Foote Road, about 1.3 miles (by road) southwest of Alleghany. 1305 Comment
  HSC97040  Eremogone kingii var. glabrescens L. Ahart 2006-6-28 12875 Sierra 3/4 air mi. E of Lake Delahunty, 2 air mi. NE of Gibsonville 1836 Comment
  HSC97064  Melica fugax L. Ahart 2006-6-28 12873 Sierra 3/4 mi. E of Lake Delahunty, about 2 mi. NE of Gibsonville. 1784 Comment
  JEPS107583  Elymus glaucus subsp. glaucus Lowell Ahart 2005-8-30 12362 Sierra East of Pass Creek, about 100 yards southeast of the falls on Pass Creek, about 1/4 mile south of French Meadow, about 2 1/2 miles west of Webber Lake 2073 Comment
  JEPS108835  Allium platycaule Lowell Ahart 2006-6-28 12872 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville 1784 Comment
  JEPS110055  Asclepias cordifolia Lowell Ahart 2006-6-21 12825 Sierra On the north side of the road, about 2 miles (by road) west of Forest 1329 Comment
  JEPS110366  Melica geyeri Lowell Ahart 2006-6-21 12832 Sierra About 30 yards east of Lucky Dog Creek, about 100 yards west of the road, about 2 1/2 miles (by road) west of Forest 1397 Comment
  JEPS117426  Pyrola dentata Lowell Ahart 2010-8-3 17038 Sierra About 100 yards west of the poor logging road, about 2 miles (air) west of Keystone Mountain, about 1/2 mile (air) north of the Burlington Mine, about 1 3/4 miles (air) northwest of Middlewaters, about 9 miles (air) northeast of Alleghany 1733 Comment
  JEPS124058  Trifolium microcephalum Lowell Ahart 2015-5-9 20151 Sierra About 300 yards west of the Highway 49, about one mile west of Indian Valley. Comment
  JEPS124074  Selaginella wallacei Lowell Ahart 2015-5-9 20158 Sierra About 300 yards west of Highway 49, about one mile west of Indian Valley. Comment
  JEPS87610  Isoetes bolanderi Lowell Ahart 1994-7-1 7426 Sierra ca 11 air miles ne Alleghany (ca 1 1/2 mi ne of Middlewaters, e of Keystone Mt, n side of Henness Pass Rd, at Keystone Gap, small pond w of larger pond) 1889 Comment
  JEPS87611  Heuchera micrantha Lowell Ahart 1994-7-1 7430 Sierra about 1 1/2 mi ne Middlewaters (e of Keystone Mountain, n side of Henness Pass Road at Keystone Gap, about 11 mi (air) ne of Alleghany); ne of Middlewaters, e of Keystone Mountain, Keystone Gap 1889 Comment
  JEPS87623  Cornus sericea subsp. sericea Lowell Ahart 1994-7-1 7435 Sierra about 1 1/2 mi ne Middlewaters (s side of the larger pond, slope on n side Henness Pass Road at Keystone Gap, e of Keystone Mountain, about 11 mi (air) ne of Alleghany); e of Keystone Mountain, ne of Middlewaters, Keystone Gap 1889 Comment
  JEPS95837  Ribes aureum var. aureum Lowell Ahart 1999-7-26 8128 Sierra about 7 miles (air) east of Webber Lake; Little Truckee River; on the west side of Independence Road; just south of the Little Truckee River; south of Fibreboard Road; about 7 miles (air) east of Webber Lake 1889 Comment
  JEPS98601  Streptanthus polygaloides Lowell Ahart 2000-6-15 8474 Sierra 3 mi (air) NW of Alleghany (around the monument, int. of Mountain House Road and Henness Pass Road, 2 mi (air) NW of Forest) 1463 Comment
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Jun 21 2014
  RSA718396  Senecio integerrimus var. major L. Ahart 2006-6-28 12866 Sierra About 3/4 mile (air) east of Lake Delahunty, about 2 miles (air) northeast of Gibsonville. 1784 Comment
  RSA769167  Juncus covillei L. Ahart 2010-9-15 17181 Sierra About 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2.75 air miles north of Yuba Pass on Highway 49, about 4 air miles east of Haskell Peak 2135 Comment
  RSA772433  Polygonum douglasii subsp. douglasii L. Ahart 2010-9-15 17165 Sierra About 20 yrds NW of the cabin, about 50 yrds SW of the middle pond, At the spring, About 2.75 air miles north of Yuba Pass on Hwy 49, about 4 air miles east of Haskell Peak. 2135 Comment
  UC1594674  Achnatherum stillmanii Lowell Ahart 1992-7-17 6787 Sierra logging roads 2 air mi e Quartz Point (6 air mi se of Downieville) 1706 Comment
  UC1594734  Parnassia californica Lowell Ahart 1992-8-6 6917 Sierra about 1/2 mi w of Harris Meadow (about 1 mi s of Granite Mountain, n of Black Jack Ravine) 1676 Comment
  UCD169805  Juncus covillei Lowell Ahart 2010-9-15 17181 Sierra Along the west side of a poor road, about 15 yards north of the first pond, about 20 yards northwest of the cabin, about 50 yards southwest of the middle pond, at the spring, about 2 3/4 miles (air) north of Yuba Pass on Highway 49, about 4 miles (air) east of Haskell Peak. 2134 Comment
  UCR263567  Bulbostylis capillaris Lowell Ahart 1994-7-1 7438 Sierra Sierra Nevada Mtns., on the N side of Henness Pass Road, at Keystone Gap, E of Keystone Mountain, about 1.5 mi NE of Middlewaters, about 11 mi (air) NE of Alleghany 1890 Comment
  CAS-BOT-BC31574  Carex luzulifolia Lowell Ahart 1978-9-26 s.n. Sierra Mt. Fillmore. 670 Comment
  CAS-BOT-BC390710  Spergularia rubra Lowell Ahart 1983-10-27 4485 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadows Res., about 1 mile south of Pass Creek, near Jackson Meadows Res. 2200 Comment
  CAS-BOT-BC414582  Polygonum douglasii Lowell Ahart 1983-10-27 4478 Sierra Near a dirt road that is about 2 miles south-east of Jackson Meadows Res., about 1 mile south of Pass Creek, near Jackson Meadows Res. 2200 Comment
  CAS-BOT-BC444496  Lewisia triphylla Lowell Ahart 1978-9-26 s.n. Sierra On north side of Mt. Fillmore. 2200 Comment
  SEINET10604381  Trisetum cernuum Lowell Ahart 1982-7-28 Ahart 3727 Sierra Normal size. On damp soil near a small spring and near the dirt road N of the Pacific Mine, ca. 5 mi E of La Porte. Scattered around the spring; not common. Red Fir Forest. 1700 Comment
  SEINET12163991  Lotus nevadensis L. Ahart, Ahart, P. 1983-1 4466 Sierra to Ahart Sheep Camp, ca 1miN of Milton Reservoir, 3miNW of Jackson Meadow Reservoir 1800 Comment
  SEINET13709300  Madia elegans subsp. elegans Lowell William Ahart, Lowell William Ahart 2001-1 9098 Sierra Diversion Dam across Little Truckee River Near Fiberboard Road (Fsr 18) 1/8 Mi. N of Henness Pass, 5 Air Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft. 1920 Comment
  SEINET13709301  Horkelia fusca subsp. parviflora Lowell William Ahart, Lowell William Ahart 2001-1 9100 Sierra Diversion Dam across Little Truckee River Near Fiberboard Rd., 5 Mi. E of Webber Lake (T19N, R15E, sec 15, SW 1/4) 6300 Ft 1920 Comment
  CDA34725  Myosotis laxa L. Ahart, John Dittes 2010-7-3 16944 Siskiyou About 30 yards south the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  CHSC106101  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2010-7-30 1936 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC106108  Asclepias speciosa Lowell Ahart; John Dittes 2010-7-30 16965 Siskiyou About 10 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC32080  Crocidium multicaule L. Ahart 1973-3-13 166 Siskiyou Hillsides near Fort Jonces. 762 Comment
  CHSC91223  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12042 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC91241  Eleocharis parishii Lowell Ahart; John Dittes 2005-6-10 12096 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC91247  Apera interrupta Lowell Ahart; John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC91342  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC91373  Camissonia contorta Lowell Ahart; John Dittes 2005-6-10 12088 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
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Jul 20 2020
  CHSC93544  Cryptantha intermedia Lowell Ahart; John Dittes 2005-6-10 12114 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC97143  Veronica peregrina subsp. xalapensis L. Ahart, John Dittes 2005-6-10 12059 Siskiyou Depression near dirt road, 80 yds. N of pump house along the Shasta River, 1.9 mi. S of Hwy. 99/97 Cutoff, 6 mi. ESE of Grenada 777 Comment
  JEPS107363  Puccinellia distans Lowell Ahart, John Dittes 2005-6-9 12002 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107393  Opuntia fragilis Lowell Ahart, John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS107419  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-9 12022 Siskiyou Pasture field, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107479  Heliotropium curassavicum Lowell Ahart, John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107481  Penstemon deustus var. suffrutescens Lowell Ahart, John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107488  Galium parisiense Lowell Ahart, John Dittes 2005-6-10 12116 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS117464  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  JEPS117723  Azolla microphylla Lowell Ahart, John Dittes 2010-7-30 16955 Siskiyou Along the west edge of the Shasta River, about 120 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA715492  Heliotropium curassavicum var. oculatum L. Ahart 2005-6-9 12038 Siskiyou 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  RSA716054  Vulpia myuros var. hirsuta L. Ahart, John Dittes 2005-6-10 12069 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Hwy 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  RSA768926  Nasturtium officinale L. Ahart, John Dittes 2010-7-30 16960 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  RSA795337  Solanum dulcamara L. Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  SBBG60476  Myosotis laxa L. Ahart with J. Dittes 2010-7-30 16944 Siskiyou N side of a water ditch, at the edge of the dry upland, ca. 30 yards S of the Shasta River, ca. 80 yards W of the pipe across the Shasta River, ca. 200 yards E of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 m Comment
  SEINET13710513  Potentilla millefolia Lowell William Ahart, Lowell William Ahart 1998-1 9342 Siskiyou Me of Weed and E of Grass Lake on S Side of Tennant Rd. 0.2 Mi. of Old State Hwy. to Bray (T44N, R1W, sec 30, SE 1/4) 4600 Ft. 1402 Comment
  SEINET13710780  Trichostema oblongum Lowell William Ahart, Lowell William Ahart 1998-1 9358 Siskiyou NE of Weed, E of Grass Lake, and West of Bray on Old Stste Hwy. 0.8 Mi. E of Tennent Rd. (T44N, R1W, sec 20, SW 1/4) 4650 Ft. 1417 Comment
  CHSC32081  Salicornia virginica L. Ahart 1976-8-14 1191 Solano In equipment storage area on dry soil, F.P. Smith Equipment Cp., Suisun. 7 Comment
  JEPS121159  Isolepis carinata Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18594 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  CAS-BOT-BC10068  Delphinium hesperium subsp. pallescens Lowell Ahart 1986-5-4 5272 Sutter About 5 miles northwest of Sutter, Sutter Buttes 259 Comment
  CAS-BOT-BC12977  Lepidium strictum Lowell Ahart 1984-4-19 4556 Sutter North of the Sacramento Outing Club. Along the edge of West Butte Road, about 1/8 mile north of the club. Sutter Buttes. 35 Comment
  CAS-BOT-BC165679  Clarkia unguiculata Lowell Ahart 1984-5-21 4621 Sutter At the old homestead on the south side of the South Butte, Sutter Buttes 400 Comment
  CAS-BOT-BC165680  Clarkia unguiculata Lowell Ahart 1982-5-30 3505 Sutter About 3/4 mile west of the Myers home, Myers Ranch, Sutter Buttes 50 Comment
  CAS-BOT-BC192054  Garrya fremontii Lowell Ahart 1981-7-3 2902 Sutter On north side of the South Butte, Sutter Buttes 600 Comment
  CAS-BOT-BC203731  Elymus glaucus subsp. glaucus Lowell Ahart 1985-10-19 5212 Sutter On the rocky north side of Little North Butte, about 1/2 mile north of the Dean Cabin, Dean Ranch, Sutter Buttes 320 Comment
  CAS-BOT-BC209119  Digitaria sanguinalis Lowell Ahart 1982-10-11 3869 Sutter Along the edge of West Butte Road, ca. 0.5 mi. S of the Sacramento Outing Club, Sutter buttes 50 Comment
  CAS-BOT-BC257034  Chorizanthe membranacea Lowell Ahart 1980-5-1 2144 Sutter South Butte, Sutter Buttes 400 Comment
  CAS-BOT-BC348277  Matricaria occidentalis Lowell Ahart 1983-5-4 3938 Sutter Along the edge of Pass Road, about 4 miles west of Kellogg Road, Sutter Buttes 50 Comment
  CAS-BOT-BC348858  Microseris douglasii subsp. douglasii Lowell Ahart 1982-6-20 3614 Sutter Just inside the first gate to the Dean Ranch, Sutter Buttes 35 Comment
  CAS-BOT-BC355507  Lasthenia glaberrima Lowell Ahart 1983-5-14 3996 Sutter Along West Butte Road, about 1/8 mile north of the Sacramento Outing Club, Sutter Buttes. 35 Comment
  CAS-BOT-BC438618  Calandrinia ciliata Lowell Ahart 1984-4-19 4568 Sutter Along the edge of West Butte Road, about 1/8 mile north of the Sacramento Outing Club, Sutter Buttes 35 Comment
  CAS-BOT-BC55543  Ambrosia psilostachya Lowell Ahart 1984-10-22 4825 Sutter South Butte, Sutter Buttes 300 Comment
  CDA5607  Heliotropium europaeum L. Ahart 2000-8-29 8671 Sutter On the north side of Pass Road, Sutter Buttes, about 1 1/2 miles northwest of Sutter. Comment
  CHSC33752  Cryptantha intermedia L. Ahart 1981-4-6 2725 Sutter On e side of small stream on s side of South Butte, Sutter Buttes. 200 Comment
  CHSC36233  Lupinus polycarpus L. Ahart 1982-4-23 3313 Sutter Nea cow trails, w of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC36246  Solanum parishii L. Ahart 1982-4-24 3384 Sutter S slope near the S fence line, ca. 3/4 mi sw of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC36249  Platystemon californicus L. Ahart 1982-4-17 3284 Sutter On a n slope and a little e of the w fence line, nw of Dean Cabin, Dean Ranch, Sutter Buttes. 350 Comment
  CHSC37059  Digitaria sanguinalis L. Ahart 1982-10-11 3869 Sutter Along the edge of West Butte Rd, ca. 1/2 mi s of Sacramento Outing Club, Sutter Buttes. 50 Comment
  CHSC37236  Gastridium phleoides L. Ahart 1982-5-30 3471 Sutter On and along cow trails ca. 1/4 mi w of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC37239  Triticum aestivum L. Ahart 1982-5-30 3464 Sutter On a gravel bar along the wash where the road crosses, ca. 1/8 mi w of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC37243  Navarretia pubescens L. Ahart 1982-5-30 3454 Sutter Ca. 1/8 mi w of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC37322  Cyperus eragrostis L. Ahart 1982-5-30 3520 Sutter Bottom of a small wash near the s fence line, ca. 3/4 mi s of Myers home, Myers Ranch, Sutter Buttes. 50 Comment
  CHSC39656  Trifolium albopurpureum var. albopurpureum Lowell Ahart 1983-5-4 3962 Sutter Along Pass Road, about 2 miles west of Kellogg Road, Sutter Buttes. 50 Comment
  CHSC39946  Blennosperma nanum Lowell Ahart 1984-3-24 4525 Sutter West Butte Road, 1.4 miles N of the Sacramento Outing Club, Sutter Buttes, west of Marysville. Along edge of West Butte Road. 35 Comment
  CHSC40288  Aira caryophyllea Lowell Ahart 1985-5-5 4901 Sutter East of the road, about 2 miles south-east of the Dean Cabin, about 2 miles north of Sutter, Sutter Buttes. 100 Comment
  CHSC40291  Gastridium phleoides Lowell Ahart 1985-5-5 4912 Sutter North of the road, about 3/4 mile south-east of the Dean Cabin, Dean Ranch, about 3 1/2 miles north-west of Sutter, Sutter Buttes. 200 Comment
  CHSC40297  Cirsium occidentale var. venustum Lowell Ahart 1985-5-5 4900 Sutter Along a small wash, east of the road, about 2 miles south-east of the Dean Cabin, about 2 miles north of Sutter, Sutter Buttes. 100 Comment
  CHSC40558  Solidago velutina subsp. californica Lowell Ahart 1985-10-19 5220 Sutter Along the edge of the dirt road and near a small stream, about 1/2 mile west of the Dean Cabin, Dean Ranch, Sutter Buttes. 304 Comment
  CHSC40619  Polygonum californicum Lowell Ahart 1985-10-19 5222 Sutter On a small hill about 1/8 mile west of the Dean Cabin, Dean Ranch, Sutter Buttes. 304 Comment
  CHSC41406  Madia gracilis Lowell Ahart 1986-5-26 5318 Sutter Along the edge of the dirt road, near a stream, about 1/8 mile south of the Myers Ranch, about 1 and 1/8 mile south of the Myers home, about 3 miles south-west of Pennington, Sutter Buttes. 45 Comment
  CHSC41420  Carex barbarae Lowell Ahart 1986-5-24 5296 Sutter Bottom of a small wash that flows into the stream below the pond, about 1/2 mile south of the Dean Cabin, Dean Ranch, about 3 1/4 miles north-west of Sutter, Sutter Buttes. 243 Comment
  CHSC41436  Vulpia microstachys var. ciliata Lowell Ahart 1986-5-4 5267 Sutter On a hill about 1/8 mile west of the Dean Cabin, Dean Ranch, about 5 miles north-west of Sutter, Sutter Buttes. 259 Comment
  CHSC41439  Isoetes howellii Lowell Ahart 1986-5-4 5249 Sutter Near the first gate to the Dean Ranch, about 1/2 mile north of the intersection of Mallott Road and Alf Road, about 2 miles north-east of Sutter, Sutter Buttes. 30 Comment
  CHSC41458  Trifolium bifidum var. decipiens Lowell Ahart 1986-5-4 5255 Sutter On the bottom of a large vernal pool, near the first gate to the Dean Ranch, about 1/2 mile north of the intersection of Mallott Road and Alf Road, about 2 miles north-east of Sutter, Sutters. 30 Comment
  CHSC41969  Navarretia pubescens Lowell Ahart 1986-5-24 5289 Sutter Near the road and near the fifth gate to the Dean Ranch, about 3 1/2 miles north of Sutter, Sutter Buttes. 213 Comment
  CHSC42740  Tropidocarpum gracile Lowell Ahart 1977-4-5 1240 Sutter On the south side of the South Butte, Sutter Buttes. 182 Comment
  CHSC42741  Thysanocarpus curvipes var. elegans Lowell Ahart 1977-4-7 1265 Sutter Myers Ranch, on the north side of the Sutter Buttes. 45 Comment
  CHSC42747  Boechera breweri Lowell Ahart 1977-4-5 1258 Sutter On the west side of the South Butte, Sutter Buttes. 457 Comment
  CHSC43310  Phacelia tanacetifolia Lowell Ahart 1977-4-5 1261 Sutter On the south-west side of the South Butte, Sutter Buttes. 457 Comment
  CHSC44109  Erodium botrys Lowell Ahart 1985-5-5 4911 Sutter On a bank along the road, about 3/4 mile south-east of the Dean Cabin, Dean Ranch, about 3 1/2 miles north-west of Sutter, Sutter Buttes. 200 Comment
  CHSC44545  Bromus madritensis subsp. madritensis Lowell Ahart 1977-5-19 1372 Sutter On the south side of the South Butte, Sutter Buttes. 137 Comment
  CHSC45552  Chenopodium vulvaria Lowell Ahart 1981-7-3 2884 Sutter About 100 yards south of the old gas well, on the south side of the South Butte, Sutter Buttes. One colony near the road and the west fence. 91 Comment
  CHSC46738  Crassula connata Lowell Ahart 1983-5-4 3939 Sutter Along the edge of Pass Road, about 4 miles west of Kellogg Road, Sutter Buttes. 45 Comment
  CHSC47381  Sinapis alba Lowell Ahart 1984-4-19 4583 Sutter Along the edge of West Butte Road, about 300 feet north of the intersection of Pass Road, Sutter Buttes. 30 Comment
  CHSC47398  Triodanis perfoliata Lowell Ahart 1980-5-1 2146 Sutter East of the old homestead, on the south side of the South Butte, Sutter Buttes. 365 Comment
  CHSC47462  Plantago erecta Lowell Ahart 1983-5-4 3964 Sutter Along Pass Road, about 2 miles west of Kellogg Road, Sutter Buttes. 45 Comment
  CHSC47578  Juncus uncialis Lowell Ahart 1984-3-24 4526 Sutter Along the scraped edge of West Butte Road, about 1/4 mile north of the Sacramento Outing Club, Sutter Buttes. 30 Comment
  CHSC87307  Tauschia kelloggii Lowell Ahart 2004-5-2 10858 Sutter Mountaintop, on the south side of the road just west of the lower tower, near the top of the South Butte, Sutter Buttes, about 5 miles (air) northwest of Sutter. 431 Comment
  CHSC87337  Phacelia egena Lowell Ahart 2004-5-2 10834 A Sutter On a mountainside, on the northwest side of the South Butte, Sutter Buttes, about 5 miles (air) northwest of Sutter. 453 Comment
  CHSC87398  Phacelia distans Lowell Ahart 2004-5-2 10848 Sutter On a mountainside, on the west side of the South Butte, Sutter Buttes, about 5 miles (air) northwest of Sutter. 551 Comment
  HSC92440  Gastridium phleoides L. Ahart 1982-5-30 3471 Sutter 1/4 mi. W jof the Myers home, Myers Ranch, Sutter Buttes 46 Comment
  HSC92443  Hordeum marinum subsp. gussoneanum L. Ahart 1982-5-30 3459 Sutter About 1/8 mi. W of Myers home, Myers Ranch, Sutter Buttes. Comment
  JEPS105860  Phacelia imbricata subsp. imbricata Lowell Ahart 2004-5-2 10834 Sutter On a mountainside, on the northwest side of the South Butte, Sutter Buttes, about 5 miles (air) northwest of Sutter 453 Comment