39.55861 39.65861 -121.96888 -121.86888 UC/JEPS: Consortium Search Results
Search Results — 404 specimen records retrieved (404 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC65680  Acer negundo var. californicum Vernon H. Oswald 1996-3-22 7252 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, SW corner of Tract 2, on the edge of a branch of Angel Slough. 30 Comment
  CHSC65773  Acer negundo var. californicum Vernon H. Oswald 1996-4-10 7350 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the edge of a branch of Angel Slough at the SW corner of Tract 2, Sanctuary 1. 32 Comment
  CHSC65985  Achyrachaena mollis Vernon H. Oswald 1996-5-9 7546 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In the S paddock of Tract 7, Sanctuary II (formerly irrigated pasture). 32 Comment
  UC138055  Aesculus californica Mrs. R. M. Austin May 1896 134 Butte Little Chico Creek Comment
  CHSC65887  Agoseris heterophylla Vernon Oswald 1996-4-20 7402 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. 32 Comment
  CHSC66171  Agrostis avenacea Vernon H. Oswald; Lowell Ahart 1996-5-27 7663 .1 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the SW corner of Tract 3.4, Sanctuary II of Sacramento River National Wildlife Refuge, Llano Seco Unit. 32 Comment
  JEPS88257  Alisma plantago-aquatica Vernon H. Oswald and Lowell Ahart 1996-6-10 7764 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (along edge of slough near center of e side of Tract 5, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit 30 Comment
  CHSC2047  Alisma triviale D. Bower 1953-7-9 Butte 3B Llano Seco. 30 Comment
  CHSC2048  Alisma triviale D. Bower 1953-8-6 Butte 3B Llano Seco. 30 Comment
  CHSC66451  Alisma triviale Vernon H. Oswald; Lowell Ahart 1996-6-10 7764 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Vernally flooded slough near the center of the E side of Tract 5 (W side of dike at the SW corner of Tract 6), Sanctuary I. 30 Comment
  CHSC65906  Alopecurus pratensis Vernon H. Oswald 1996-4-20 7394 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge, Llano Seco Unit. 32 Comment
  CHSC66354  Amaranthus albus Vernon H. Oswald 1996-6-20 7823 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River (S end of Tract 2, Sanctuary II). 33 Comment
  JEPS95991  Amaranthus albus Lowell Ahart 1999-9-21 8265 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
  JEPS95988  Amaranthus rudis Lowell Ahart 1999-10-28 8316 Butte northwest of Parrott Landing; Chico, east side of the Sacramento River; 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
  CHSC26622  Ambrosia psilostachya M. P. Hayes 1977-9-24 120 Butte In drainage of Little Butte Creek where Little Butte Creek intersects road Z (Chico-Butte City Highway). 30 Comment
  CHSC66835  Ambrosia psilostachya Vernon H. Oswald 1996-8-29 8245 Butte Sacramento River National Widlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the southwest corner of Tract 3.4, Sanctuary II. 32 Comment
  CHSC66358  Ammannia coccinea Vernon H. Oswald 1996-6-20 7829 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  JEPS95943  Ammannia coccinea Lowell Ahart 1999-8-13 8167 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
  CHSC66359  Ammannia robusta Vernon H. Oswald 1996-6-20 7825 Butte Sacramento National Wildlife Refuge, Llano Seco unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  JEPS95918  Ammannia robusta Lowell Ahart 1999-8-13 8168 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
  CHSC65776  Amsinckia lycopsoides Vernon H. Oswald 1996-4-10 7351 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. On the levees at the NE corner of Tract 10.2, Sanctuary 1. 32 Comment
  CHSC65902  Anagallis arvensis Vernon H. Oswald 1996-4-20 7397 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Large population growing on a low levee in formerly irrigated pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66070  Anthemis cotula Vernon H. Oswald 1996-5-23 7636 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  SEINET10580344  Asclepias cordifolia R. M. Austin Austin 287 Butte Little Chico Creek Comment
  SEINET10862406  Asclepias cordifolia R. M. Austin Austin 869 Butte Iron Canyon Comment
  SEINET10961630  Asclepias cordifolia R. M. Austin Austin 868 Butte Iron Canyon Comment
  UC166407  Asclepias cordifolia Mrs. R. M. Austin May 1896 287 Butte Little Chico Creek Comment
  CHSC66660  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1996-7-22 8088 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 32 Comment
  CHSC65992  Astragalus tener var. ferrisiae Vernon H. Oswald 1996-5-9 7547 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65774  Baccharis salicifolia Vernon H. Oswald 1996-4-10 7353 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. 33 Comment
  CHSC66361  Bacopa rotundifolia Vernon H. Oswald 1996-6-20 7830 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  CHSC66455  Bolboschoenus glaucus Vernon H. Oswald 1996-6-10 7757 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Seasonal marsh in the NE corner of Tract 7.2, Sanctuary I. 33 Comment
  JEPS88224  Bolboschoenus glaucus Vernon H. Oswald and Lowell Ahart 1996-6-10 7757 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (in the ne corner of corner of Tract 7.2, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC66684  Bolboschoenus maritimus Vernon H. Oswald; Lowell Ahart 1996-7-22 8095 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Seasonal marsh in the NE corner of Tract 1.1, Sanctuary II. 33 Comment
  JEPS88584  Bolboschoenus maritimus subsp. paludosus Vernon H. Oswald and Lowell Ahart 1996-7-22 8095 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River Sacramento River National Wildlife Refuge, Llano Seco Unit (NE corner of Tract 1.1, Sanctuary II) 33 Comment
  CHSC66172  Bromus commutatus Vernon H. Oswald; Lowell Ahart 1996-5-27 7660 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II. 32 Comment
  JEPS88260  Bromus commutatus Vernon H. Oswald and Lowell Ahart 1996-5-27 7660 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (sw corner of Tract 3.4, Sanctuary II, Sacramento R. National Wildlife Refuge, Llano Seco Unit); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  CHSC65898  Callitriche heterophylla var. bolanderi Vernon H. Oswald 1996-4-20 7410 Butte Sacramento Valley. Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a drainage at the SW boundary of Tract 3.4, Sanctuary II. 32 Comment
  UC119761  Calochortus monophyllus Mrs. R. M. Austin May 1883 191 Butte Little Chico Creek Comment
  UC194202  Calycadenia truncata H. M. Hall 1914-7-18 9756 Butte Little Chico Creek 152 Comment
  CAS-BOT-BC275376  Calycadenia truncata var. truncata H. M. Hall 1914-7-18 9756 Butte Little Chico Creek 152 Comment
  CHSC65684  Capsella bursa-pastoris Vernon H. Oswald 1996-3-22 7258 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC43914  Carex barbarae L. P. Janeway 1986-9-20 1882 Butte West side of Comanche Cr and north side of Ord Ferry Rd. 33 Comment
  CHSC65785  Carex barbarae Vernon H. Oswald 1996-4-10 7345 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Sacramento Valley. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On a levee bank on the S side of the ranch road at the N end of Tract 7.2, Sanctuary 1. 33 Comment
  CHSC65784  Carex densa Vernon H. Oswald 1996-4-10 7346 Butte Sacramento River National Wildlift Refuge, Llano Seco Unit. U.S. Fish and Wildlife Services parcel between 7 Mile Lane and the Sacramento River. In a shallow roadside ditch on the S side of the ranch road at the N end of Tract 7.2, Sanctuary 1. Sacramento Valley. 33 Comment
  CHSC65783  Carex praegracilis Vernon H. Oswald 1996-4-10 7347 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. On the S side of the ranch road at the N end of Tract 7.2, Sanctuary 1. 33 Comment
  CHSC66453  Carex vulpinoidea Vernon H. Oswald; Lowell Ahart 1996-6-10 7754 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. A canal at the NE corner of Tract 7.2, Sanctuary I. Common along all this canal, its laterals, and the edges of Tract 6, a permanent pool in Sanctuary I. 33 Comment
  JEPS88574  Carex vulpinoidea Vernon H. Oswald and Lowell Ahart 1996-6-10 7754 Butte US Fish and Wildlife parcel between 7 Mile Lane and Sacramento River (canal at ne corner of Tract 7.2, Sanctuary I); Sacramento National Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC65901  Castilleja attenuata Vernon H. Oswald 1996-4-19 7389 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. 32 Comment
  CHSC294  Centaurea solstitialis D. Bower 1953-7-23 Butte La Llano Seco. Rice Field. 30 Comment
  SEINET3094331 Image available Centaurium muehlenbergii Marc Mittleman 1980-8-1 227 Butte Little Chico Creek, adjacent to China Garden Springs. Comment
  CHSC66439  Centaurium tenuiflorum Vernon H. Oswald; Lowell Ahart 1996-6-10 7758 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 mile Lane and the Sacramento River. At NE corner of Tract 7.2, Sanctuary I. 33 Comment
  CHSC66838  Centromadia fitchii Vernon H. Oswald 1996-8-29 8248 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the northwest corner of Tract 5, Sanctuary II. 32 Comment
  CHSC66662  Centromadia parryi subsp. rudis Vernon H. Oswald; Lowell Ahart 1996-7-22 8096 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the edge of the public access parking lot on Seven Mile Lane, adjacent to the SE corner of Tract 2, Sanctuary II. 33 Comment
  JEPS88496  Centromadia parryi subsp. rudis Vernon H. Oswald and Lowell Ahart 1996-7-22 8096 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (on edge of public access parking lot on 7 Mile Lane, adjacent to se corner of Tract 2, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC65777  Cerastium glomeratum Vernon H. Oswald 1996-3-22 7257 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  JEPS95931  Chamaesyce maculata Lowell Ahart 1999-8-13 8160 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
  JEPS95806  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 1999-10-28 8310 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
  JEPS95989  Chenopodium album Lowell Ahart 1999-10-28 8312 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
  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
  JEPS95932  Chenopodium botrys Lowell Ahart 1999-8-13 8178 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
  CDA952  Chloris virgata D. G. Kelch 2006-8-2 6 .337 Butte Along Ord Ferry Rd. Comment
  UC107825  Clarkia gracilis subsp. albicaulis R. M. Austin July 1896 848 Butte Little Chico Creek Comment
  UC83810  Claytonia parviflora subsp. parviflora Mrs. R. M. Austin May 1896 73 Butte Little Chico Creek Comment
  CDA24214  Clematis ligusticifolia D. G. Kelch 2006-8-2 06 .335B Butte Along Ord Ferry Rd. Comment
  UC103389  Collinsia heterophylla Mrs. R. M. Austin Apr 1896 125 Butte Little Chico Creek Comment
  UC103369  Collinsia parviflora Mrs. R. M. Austin May 1896 258 Butte Little Chico Creek Comment
  UC116644  Comandra Mrs. R. M. Austin May 1896 298 Butte Little Chico Creek Comment
  CHSC65991  Crassula aquatica Vernon H. Oswald 1996-4-20 7405 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the W end of the S paddock of Tract 7, Sanctuary II. Sacramento River National Wildlife Refuge, Llano Seco Unit. 32 Comment
  CHSC66367  Crypsis schoenoides Vernon H. Oswald 1996-6-20 7826 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bed of a marsh at the SW corner of Tract 2, Sanctuary II. 33 Comment
  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
  JEPS98274  Cuscuta campestris Lowell Ahart 2000-9-4 8681 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
  CHSC66667  Cuscuta pentagona Vernon H. Oswald 1996-7-17 8070 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the NE corner of Tract 5, Sanctuary II. 33 Comment
  JEPS95935  Cycloloma atriplicifolium Lowell Ahart 1999-8-13 8159 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
  CHSC66173  Cynodon dactylon Vernon H. Oswald; Lowell Ahart 1996-5-27 7668 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  JEPS88266  Cynodon dactylon Vernon H. Oswald and Lowell Ahart 1996-5-27 7668 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (in the S paddock of Tract 7, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 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
  CHSC2108  Cyperus difformis D. Bower 1953-7-23 Butte 3A Llano Seco. 30 Comment
  CHSC66364  Cyperus difformis Vernon H. Oswald 1996-6-20 7832 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Marsh at NE corner of Tract 3.1, Sanctuary II. 33 Comment
  JEPS95922  Cyperus difformis Lowell Ahart 1999-8-13 8139 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
  CHSC2109  Cyperus eragrostis D. Bower 1953-7-23 Butte 1A Llano Seco. 30 Comment
  CHSC66365  Cyperus erythrorhizos Vernon H. Oswald 1996-6-20 7828 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the SW corner of Tract 2, Sanctuary II. 33 Comment
  CHSC66856  Cyperus erythrorhizos Vernon H. Oswald 1996-9-30 8291 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Llano Seco Rancho between 7 Mile Lane and the Sacramento River. Northern Sacramento Valley. Margin of Angel Slough on the W side of Tract 4.1, Sanctuary I. [Label says 'T20N R01W S15 SE1/4 of NW1/4']. 30 Comment
  JEPS95920  Cyperus esculentus Lowell Ahart 1999-8-13 8141 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
  JEPS95785  Cyperus flavescens Lowell Ahart 1999-8-13 8143 Butte about 1 mile southeast of Ord Ferry; Chico; 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
  JEPS95884  Cyperus flavescens Lowell Ahart 1999-8-13 8143 Butte about 1 mile southeast of Ord Ferry; Chico; 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
  JEPS95885  Cyperus flavescens Lowell Ahart 1999-10-28 8303 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
  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
  JEPS95883  Cyperus fuscus Lowell Ahart 1999-10-3 8287 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
  JEPS95982  Cyperus squarrosus Lowell Ahart 1999-10-28 8302 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
  JEPS95921  Cyperus strigosus Lowell Ahart 1999-8-13 8140 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
  CHSC65905  Damasonium californicum Vernon H. Oswald 1996-4-20 7411 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Marshy drainage at the SW boundary of Tract 3.4, Sanctuary II. 32 Comment
  JEPS95790  Datisca glomerata Lowell Ahart and Vernon H. Oswald 1999-10-3 8289 Butte about 1 mi SE of Ord Ferry (E side of river, NW of Parrott Landing, about 2 mi SE of Ordbend, about 12 miles (air) SW of Chico); Sacramento River 32 Comment
  JEPS95823  Datisca glomerata Lowell Ahart and Vernon H. Oswald 1999-10-3 8289 Butte about 1 mi SE of Ord Ferry (E side of river, NW of Parrott Landing, about 2 mi SE of Ordbend, about 12 miles (air) SW of Chico); Sacramento River 32 Comment
  UC106444  Daucus pusillus R. M. Austin May, 1883 200 Butte Little Chico Creek Comment
  UC143050  Dichelostemma capitatum Mrs. R. M. Austin Apr 1896 40 Butte Little Chico Creek Comment
  JEPS95929  Digitaria sanguinalis Lowell Ahart 1999-8-13 8154 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
  CHSC65904  Diplacus tricolor Vernon H. Oswald 1996-4-20 7396 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In pasture in the S half of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65990  Downingia bicornuta var. bicornuta Vernon Oswald 1996-5-9 7541 Butte Sacramento River National Wildlife Refuge. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. On the drying bed of seasonal marsh (N end of Tract 4.2, Sanctuary II). 33 Comment
  CHSC65899  Downingia ornatissima var. ornatissima Vernon H. Oswald 1996-4-20 7408 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In formally irrigated pasture in the S end of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC2142  Echinochloa crus-galli D. Bower 1953-8-27 Butte Llano Seco. 30 Comment
  CHSC2188  Echinochloa crus-galli D. Bower 1953-7-16 Butte Llano Seco. 30 Comment
  CHSC66174  Echinochloa crus-galli Vernon H. Oswald; Lowell Ahart 1996-5-27 7664 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bed of a seasonal marsh on the S side of Tract 1.1, Sanctuary II. 33 Comment
  JEPS96001  Echinochloa crus-galli Vernon H. Oswald and Lowell Ahart 1996-5-27 7664 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (on the s side of Tract 1.1, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC66452  Echinodorus berteroi Vernon H. Oswald; Lowell Ahart 1996-6-10 7763 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Vernally flooded slough near the center of the E side of Tract 5 (W side of dike at the SW corner of Tract 6), Sanctuary I. 30 Comment
  JEPS88258  Echinodorus berteroi Vernon H. Oswald and Lowell Ahart 1996-6-10 7763 Butte near center of e. side of Tract 5 (w. side of dike at s.w. corner of Tract 6), Santuary 1 Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit (U.S. Fish & Wildlife Service parcel betw. 7 Mile Lane & Sacramento R.) 30 Comment
  JEPS95994  Echinodorus berteroi Lowell Ahart 1999-9-21 8275 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
  CHSC66357  Elatine chilensis Vernon H. Oswald 1996-6-20 7835 Butte Sacramento National Wildlife Refuge, Llano Seco Unit, U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and the Sacramento River. 32 Comment
  CHSC65778  Elatine heterandra Vernon H. Oswald 1996-4-10 7354 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  JEPS98305  Eleocharis acicularis Lowell Ahart 2000-10-2 8699 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
  JEPS98466  Eleocharis acicularis Lowell Ahart 2000-9-15 8691 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
  JEPS98467  Eleocharis acicularis Lowell Ahart 2000-9-15 8690 Butte 2 mi SE of Ordbend (N of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico) 32 Comment
  UCD49689  Eleocharis acicularis var. occidentalis L. Ahart 2000-9-15 8691 Butte Normal sized plants, on wet bare sand, 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
  JEPS98276  Eleocharis atropurpurea Lowell Ahart 2000-9-4 8683 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
  JEPS98464  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
  JEPS98468  Eleocharis bella Lowell Ahart 2000-9-15 8689 Butte 2 mi SE of Ordbend (N of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico) 32 Comment
  CHSC65994  Eleocharis engelmannii Vernon H. Oswald 1996-5-9 7542 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. On the drying bed of a seasonal marsh (N end of Tract 4.2, Sanctuary II). 33 Comment
  CHSC2111  Eleocharis macrostachya D. Bower 1953-7-23 Butte 3A Llano Seco. 30 Comment
  JEPS98264  Eleocharis macrostachya Lowell Ahart 2000-10-2 8702 Butte 2 mi SE of Ordbend (near the river and S of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico) 32 Comment
  JEPS95984  Eleocharis obtusa Lowell Ahart 1999-10-28 8304 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
  JEPS98699  Eleocharis obtusa Lowell Ahart 2000-9-4 8685 Butte Along the west margin 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
  JEPS98504  Eleocharis obtusa var. obtusa Lowell Ahart 2000-9-4 8685 Butte Along the west margin 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
  JEPS95995  Eleocharis parishii Lowell Ahart 1999-9-21 8277 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
  JEPS98378  Eleocharis parishii Lowell Ahart 2000-10-2 8701 Butte 2 mi SE of Ordbend (W side of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico) 32 Comment
  CHSC66683  Eleocharis quadrangulata Vernon H. Oswald; Lowell Ahart 1996-7-22 8092 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of Tract 3.1, Sanctuary II. 32 Comment
  JEPS88549  Eleocharis quadrangulata Vernon H. Oswald and Lowell Ahart 1996-7-22 8092 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (on s side of Tract 3.1, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS98265  Eleocharis radicans Lowell Ahart 2000-10-2 8698 Butte 2 mi SE of Ordbend (N of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico) 32 Comment
  JEPS98377  Eleocharis radicans Lowell Ahart 2000-10-2 8700 Butte 2 mi SE of Ordbend (N of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico) 32 Comment
  JEPS98465  Eleocharis radicans Lowell Ahart 2000-9-4 8686 Butte Along the west margin 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
  CHSC66164  Epilobium campestre Vernon H. Oswald; Lowell Ahart 1996-5-27 7653 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bed of a marsh on the S end of Tract 2, Sanctuary II. 33 Comment
  JEPS88598  Epilobium campestre Vernon H. Oswald and Lowell Ahart 1996-5-27 7653 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane and Sacramento R. (Sacramento R. National Wildlife Refuge, Llano Seco Unit, at s. end of Tract 2, Sanctuary II); Sacramento R. National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS95175  Epilobium campestre Vernon H. Oswald and Lowell Ahart 1996-5-27 7653 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane and the Sacramento River (Sacramento River National Wildlife Refuge, Llano Seco Unit, at s end of Tract 2, Sanctuary II); Sacramento R. National Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC66672  Epilobium ciliatum subsp. ciliatum Vernon H. Oswald; Lowell Ahart 1996-7-22 8078 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the edge of the farm road crossing a branch of Angel Slough W of Refuge Headquarters at the SE corner of Tract 1, Sanctuary I. 32 Comment
  JEPS88582  Epilobium ciliatum subsp. ciliatum Vernon H. Oswald and Lowell Ahart 1996-7-22 8078 Butte US Fish & Wildlife Service parcel betw 7 Mile Lane and Sacramento R. (edge of farm rd. crossing branch of Angel Slough w of Refuge HQ's at s.e. corner of Tract 1, Sanctuary 1); Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS95939  Epilobium ciliatum subsp. ciliatum Lowell Ahart 1999-8-13 8171 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
  JEPS95928  Eragrostis cilianensis Lowell Ahart 1999-8-22 8187 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
  CHSC66857  Eragrostis hypnoides Vernon H. Oswald 1996-9-30 8292 Butte Northern Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Llano Seco Rancho between 7 Mile Lane and the Sacramento River. On the margin of Angel Slough on the W side of Tract 4.1, Sanctuary I. [Label says 'T20N R01W S15 SE1/4 of NW1/4']. 30 Comment
  JEPS95948  Eragrostis hypnoides Lowell Ahart 1999-8-13 8151 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
  JEPS95812  Eragrostis mexicana subsp. virescens Lowell Ahart 1999-10-28 8306 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
  JEPS95983  Eragrostis pilosa var. pilosa Lowell Ahart 1999-10-28 8307 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
  CHSC65903  Erythranthe guttata Vernon H. Oswald 1996-4-20 7399 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 mile Lane and the Sacramento River. Sacramento Valley. 32 Comment
  UC142902  Eschscholzia caespitosa Mrs. R. M. Austin Apr., 1896 94 Butte Little Chico Creek; bluffs Comment
  CHSC26621  Euthamia occidentalis M. P. Hayes 1977-9-24 119 Butte In drainage of Little Butte Creek where Little Butte Creek intersects road Z (Chico-Butte City Highway). Along edge of road. 30 Comment
  CHSC60481  Euthamia occidentalis K. R. Stern 1972-9-19 3783 Butte Perkins Lake, Llano Seco Rancho, ca. 10 mi sw of Chico. Comment
  CHSC65888  Filago pyramidata var. pyramidata Vernon H. Oswald 1996-4-20 7404 Butte Sacramento Valley. Sacramento River National Wildllife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  JEPS95914  Fimbristylis autumnalis Lowell Ahart and Vernon H. Oswald 1999-8-13 8145 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
  CHSC66658  Foeniculum vulgare Vernon H. Oswald; Lowell Ahart 1996-7-22 8076 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wldlife parcel between 7 Mile Lane and the Sacramento River. Growing along the edge of a levee road along the N side of Tract 6, Sanctuary I. 33 Comment
  JEPS88545  Foeniculum vulgare Vernon H. Oswald and Lowell Ahart 1996-7-22 8076 Butte U.S. Fish & Wildlife Service parcel betw. 7 Mile Lane and Sacramento R. (edge of levee rd. along n. side of Tract 6 - Sanctuary 1); Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC66162  Geranium dissectum Vernon H. Oswald; Lowell Ahart 1996-5-27 761 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Locally abundant on the edge of a marshy area on the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II. 32 Comment
  JEPS88265  Geranium dissectum Vernon H. Oswald and Lowell Ahart 1966-5-27 7661 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River, S side of the levee road at the SW corner of Tract 3.4, Sanctuary II Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  CHSC13813  Heliotropium curassavicum K. R. Stern 1972-9-19 3778 Butte Field, Llano Seco Rancho, ca. 10 mi sw of Chico. Comment
  JEPS95933  Heliotropium europaeum Lowell Ahart 1999-8-13 8163 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
  CHSC66837  Hemizonia congesta subsp. luzulifolia Vernon H. Oswald 1996-8-29 8247 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. (Collected at the northeast corner of Tract 5, Sanctuary II). 32 Comment
  JEPS95917  Herniaria hirsuta subsp. hirsuta Lowell Ahart 1999-8-13 8158 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
  CHSC65890  Hesperevax caulescens Vernon H. Oswald 1996-4-20 7392 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Sacramento Valley. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the S half of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66687  Heteranthera limosa Vernon H. Oswald; Lowell Ahart 1996-7-22 8084 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a drainage in the NW corner of Tract 9.1, Sanctuary I. 30 Comment
  JEPS88408  Heteranthera limosa Vernon H. Oswald and Lowell Ahart 1996-7-22 8084 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (in the nw corner of Tract 9.1, Sanctuary I, (a unit managed for watergrass)); Sacramento River National Wildlife Refuge, Llano Seco Unit 30 Comment
  UCD116345  Hibiscus lasiocarpos var. occidentalis G. L. Webster; G. L. Stebbins 1967-8-27 7531 Butte Rancho Llano Seco, near end of west arm of Eddy Lake. Comment
  UCD116346  Hibiscus lasiocarpos var. occidentalis G. L. Webster; G. L. Stebbins 1967-8-27 7533 Butte Howard Slough, along Biggs-Princeton road c. 1/2 mile W of Butte Creek. Comment
  CHSC38040  Hirschfeldia incana R. E. Preston 1982-12-4 370 Butte At roadside; n side of Ord Ferry Rd at jct with Seven Mile Lane, ca. 7.8 mi ssw of Chico. 36 Comment
  CHSC66459  Holcus lanatus Vernon H. Oswald; Lowell Ahart 1996-6-10 7761 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a ditch along the farm road on the N side of Tract 7.2, Sanctuary I. 33 Comment
  CHSC8213  Holcus lanatus B. Hamilton 1969-4-15 4 Butte Found near irrigation ditch on corner of Ord Ferry and Butte-City-Chico Rd. Comment
  CHSC65907  Hordeum brachyantherum subsp. brachyantherum Vernon H. Oswald 1996-4-20 7398 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65995  Hordeum depressum Vernon H. Oswald 1996-5-9 7550 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the SW corner of the S paddock of Tract 7, Sanctuary II. 32 Comment
  UC143451  Iris macrosiphon Mrs. R. M. Austin Mar 1896 13 Butte Little Chico Creek Comment
  CHSC93634  Juglans californica var. hindsii Paul Kirk; Joe Silveira 2001-5-25 1 Butte Rancho Llano Seco, W of Ryan Island, 2.8 km W of ranch house, 200 meters E of Sacramento River. 30 Comment
  CHSC93641  Juglans microcarpa Paul Kirk 2001-10-26 15 Yolo Wolfskill Orchard at the USDA-ARS National Clonal Germplasm Repository in Winters, Ca. Clone accession # DJUG 53.3 A located in orchard at block B 11 25. 35 Comment
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Jun 12 2008
  CHSC93633  Juglans nigra Paul Kirk 2001-5-25 5 Butte City of Chico, parking lot on south side of the Senator Theater at 517 Main St. 30 Comment
  CHSC93640  Juglans nigra Paul Kirk 2001-5-25 16 Yolo Wolfskill Orchard at the USDA-ARS National Clonal Germplasm Repository in Winters, Ca. Clone accession # DJUG 307.A located in orchard at block C 4 14. 35 Comment
  CHSC93644  Juglans nigra Paul Kirk 2001-10-25 10 Napa Duffy Ranch. 30 Comment
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Jan 14 2009
  CHSC66169  Juncus bufonius var. congestus Vernon H. Oswald; Lowell Ahart 1996-5-27 7658 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River . 32 Comment
  JEPS88259  Juncus bufonius var. congestus Vernon H. Oswald and Lowell Ahart 1996-5-27 7658 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (sw corner of Tract 3.4, Sanctuary II); Sacramento River Wildlife Refuge, Llano Seca Unit 32 Comment
  CHSC66170  Juncus oxymeris Vernon H. Oswald; Lowell Ahart 1996-5-27 7659 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a marshy area on the S side of the levee road at the SW cor-ner of Tract 3.4, Sanctuary II. 32 Comment
  JEPS96003  Juncus oxymeris Vernon H. Oswald and Lowell Ahart 1996-5-27 7659 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (s side of levee road at sw corner of Tract 3.4, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS98992  Juncus patens Lowell Ahart 2001-7-6 8881 Butte West of a large pond, large overflow area on the east side of the Sacramento River, NW of Parrott Landing, about 1 mile SE of Ord Ferry, about 2 miles SE of Ord Bend, about 12 miles (air) SW of Chico. 32 Comment
  JEPS95924  Kickxia elatine Lowell Ahart 1999-8-13 8132 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
  CHSC66663  Lactuca saligna Vernon H. Oswald; Lowell Ahart 1996-7-22 8080 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Field on the W side of the levee at the SW corner of Tract 6, Sanctuary 1. 30 Comment
  JEPS88497  Lactuca saligna Vernon H. Oswald and Lowell Ahart 1996-7-22 8080 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (on w side of levee at sw corner of Tract 6, Sanctuary 1); Sacramento River Wildlife Refuge, Llano Seco Unit 30 Comment
  CHSC365  Lactuca serriola D. Bower 1953-8-13 Butte 3A Llano Seco. Rice field. 30 Comment
  CHSC66664  Lactuca serriola Vernon H. Oswald; Lowell Ahart 1996-7-22 8081 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the W side of the levee at the SW corner of Tract 6, Sanctuary 1. 30 Comment
  JEPS96112  Lactuca serriola Vernon H. Oswald and Lowell Ahart 1996-7-22 8081 Butte US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (on w side of levee at sw corner of Tract 6, Sanctuary 1); Sacramento River Wildlife Refuge, Llano Seco Unit 30 Comment
  CHSC65891  Lasthenia californica Vernon H. Oswald 1996-4-20 7395 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the S half of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65892  Lasthenia fremontii Vernon H. Oswald 1996-4-20 7393 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Pasture in the S half of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66159  Lathyrus angulatus Vernon H. Oswald; Lowell Ahart 1996-5-27 7652 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In weeds between the hiking trail and the S end of Tract 2, Sanctuary II. 33 Comment
  JEPS96018  Lathyrus angulatus Vernon H. Oswald and Lowell Ahart 1996-5-27 7652 Butte U.S. Fish and Wildlife Service parcel betw Seven Mile Lane and Sacramento River (Sac. R. Nat'l Wildlife Refuge, Llano Seco Unit, between hiking trail and s end of Tract 2...); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC65987  Layia fremontii Vernon H. Oswald 1996-4-26 7455 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the NW corner of the north paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66460  Leersia oryzoides Vernon H. Oswald; Lowell Ahart 1996-6-10 7760 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Near the center of the W side of Tract 7.1, Sanctuary 1. 33 Comment
  JEPS98546  Lemna minor Lowell Ahart 2000-7-23 8604 Butte Near 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
  CHSC65988  Leontodon saxatilis subsp. longirostris Vernon H. Oswald 1996-5-9 7544 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. In the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66153  Leontodon saxatilis subsp. longirostris Vernon H. Oswald 1996-5-9 7544 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. In the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65989  Lepidium didymum Vernon H. Oswald 1996-5-9 7548 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the levee at the SW corner of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65686  Lepidium nitidum var. nitidum Vernon H. Oswald 1996-3-22 7254 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC65685  Lepidium strictum Vernon H. Oswald 1996-3-22 7248 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 7.2. Ranch and levee roads at this location. 33 Comment
  JEPS88261  Leptochloa fascicularis Vernon H. Oswald and Lowell Ahart 1996-5-27 7664 .1 Butte Sanctuary II Sacramento River National Wildlife Refuge, Llano Seco Unit (seasonal marsh on s side of Tract 1.1, US Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River) 33 Comment
  JEPS95945  Leptochloa fascicularis Lowell Ahart 1999-8-13 8153 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
  CHSC2157  Leptochloa fusca subsp. fascicularis Don Bower 1923-7-16 Butte 3A Llano Seco. 30 Comment
  CHSC66175  Leptochloa fusca subsp. fascicularis Vernon H. Oswald; Lowell Ahart 1996-5-27 7664 .1 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of Tract 1.1, Sanctuary II. 33 Comment
  CHSC66176  Leptochloa fusca subsp. fascicularis Vernon H. Oswald; Lowell Ahart 1996-5-27 7662 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II. 32 Comment
  CHSC66679  Lindernia dubia var. anagallidea Vernon H. Oswald; Lowell Ahart 1996-7-22 8083 Butte U.S. Fish and Wildlife service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge. Llano Seco Unit. 30 Comment
  JEPS95879  Lindernia dubia var. anagallidea Lowell Ahart 1999-8-13 8131 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
  JEPS95950  Lipocarpha aristulata Lowell Ahart 1999-8-13 8146 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
  JEPS98349  Lipocarpha aristulata Lowell Ahart 2000-10-15 8709 Butte 12 air miles SW of Chico (E edge of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry. 2 mi SE of Ordbend) 32 Comment
  JEPS95792  Lipocarpha micrantha Lowell Ahart 1999-10-28 8301 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
  JEPS95811  Lipocarpha micrantha Lowell Ahart 1999-10-28 8301 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
  UC137062  Lithophragma parviflorum var. trifoliatum Mrs. R. M. Austin Apr. 1896 263 Butte Bluffs Little Chico Creek Little Chico Creek; Bluffs Little Chico Creek Comment
  CHSC65889  Logfia gallica Vernon H. Oswald 1996-4-20 7403 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66160  Lotus corniculatus Vernon H. Oswald; Lowell Ahart 1996-5-27 7671 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In formerly irrigated pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC869  Lotus corniculatus D. Bower 1953-8-6 Butte 1B Llano Seco. 30 Comment
  JEPS88599  Lotus corniculatus Vernon H. Oswald and Lowell Ahart 1996-5-27 7671 Butte U.S. Fish and Wildlife Service parcel betw Seven Mile Lane and Sacramento River (in the s paddock of Tract 7, Santuary II, Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  UC80909  Lotus micranthus R. M. Austin May 1896 702 Butte Little Chico Creek Comment
  SEINET2062315 Image available Lotus oblongifolius Marc Mittleman 1980-8-1 226 Butte Little Chico Creek adjacent to china Garden Springs. 262 Comment
  SEINET2062321 Image available Lotus unifoliolatus Marc Mittleman 1980-8-1 225 Butte L:ittle Chico Creek, adjacent to China Garden Springs. 262 Comment
  JEPS95926  Ludwigia palustris Lowell Ahart 1999-8-22 8186 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
  JEPS95927  Ludwigia peploides subsp. montevidensis Lowell Ahart 1999-8-13 8172 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
  CHSC1135  Ludwigia peploides subsp. peploides D. Bower 1953-7-16 Butte 3A Llano Seco. Marsh. 30 Comment
  CHSC13718  Ludwigia peploides subsp. peploides K. R. Stern 1972-9-19 3775 Butte Margin of Perkins Lake, Llano Seco Rancho, ca. 5 mi wsw of Chico. Comment
  CHSC66360  Ludwigia peploides subsp. peploides Vernon H. Oswald 1996-6-20 7827 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a drainage in the SW corner of Tract 2, Sanctuary II. 33 Comment
  JEPS95993  Ludwigia peploides subsp. peploides Lowell Ahart 1999-9-21 8280 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
  CHSC65779  Lupinus bicolor var. tridentatus Vernon Oswald 1996-4-10 7357 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common in an equiptment storage lot off of 7 Mile Lane near the S end of Tract 8, Sanctuary 2. 33 Comment
  CHSC65780  Lupinus polycarpus Vernon H. Oswald 1996-4-10 7348 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. Common among weeds on the N end of the levee road between Tract6 and Tract 7.1, Sanctuary 1. 32 Comment
  CHSC26620  Lycopus americanus Hayes 1977-9-24 117 Butte In drainage of Little Butte Creek where Little Butte Creek intersects road z (Chico-Butte City Highway). In ditch along road edge. 30 Comment
  CHSC66668  Lycopus americanus Vernon H. Oswald; Lowell Ahart 1996-7-22 8079 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 mile Lane and the Sacramento River. Common along tules on the edge of the farm road crossing a branch of Angel Slough W of Refuge Headquarters at the SE corner of Tract 1, Sanctuary I. 32 Comment
  JEPS88581  Lycopus americanus Vernon H. Oswald and Lowell Ahart 1996-7-22 8079 Butte edge of farm rd. crossing branch of Angel Slough w. Refuge H.Q.'s (s.e. corner of Tract 1-Sanctuary 1, U.S. Fish & Wildlife Service parcel betw 7 Mile Lane & Sacramento R.); Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit 32 Comment
  CHSC1028  Lythrum hyssopifolia D. Bower 1953-7-9 Butte 3A Llano Seco. 30 Comment
  CHSC66078  Lythrum hyssopifolia Vernon H. Oswald 1996-5-23 7631 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common in the NE corner of Tract 7.2, Sanctuary I. 33 Comment
  JEPS95938  Lythrum hyssopifolia Lowell Ahart 1999-8-13 8169 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
  CHSC66163  Lythrum tribracteatum Vernon H. Oswald; Lowell Ahart 1996-5-27 7654 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 33 Comment
  JEPS88568  Lythrum tribracteatum Vernon H. Oswald and Lowell Ahart 1996-5-27 7654 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (at s end of Tract 2, Sancturary II, Llano Seco Unit of Sacramento R. National Wildlife Refuge); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC66080  Malva parviflora Vernon H. Oswald 1996-5-23 7637 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the levee between Tract 7.3 and Tract 10.2, Sanctuary I. 33 Comment
  CHSC66671  Malvella leprosa Vernon H. Oswald; Lowell Ahart 1996-7-22 8094 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the NE corner of Tract 1.1, Sanctuary II. 33 Comment
  JEPS88407  Malvella leprosa Vernon H. Oswald and Lowell Ahart 1996-7-22 8094 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane & Sacramento R. (n.e. c); Sacamento R. Nat'l Wildlife Refuge, Llano Seco Unit 33 Comment
  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
  CHSC65986  Matricaria occidentalis Vernon H. Oswald 1996-5-9 7545 Butte Sacramento River Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the S paddock of Tract 7, Sanctuary II. 32 Comment
  UC1601096  Meconella californica Mrs. R. M. Austin Mar 1896 96 Butte Little Chico Creek Comment
  JEPS95986  Medicago lupulina Lowell Ahart 1999-10-28 8315 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
  CHSC947  Medicago polymorpha D. Bower 1953-7-16 Butte 4A Llano Seco. 30 Comment
  CHSC26619  Mentha canadensis M. P. Hayes 1977-9-24 116 Butte In drainage of Little Butte Creek where Little Butte Creek intersects road z (Chico-Butte City Highway). Along edge of road. 30 Comment
  CHSC66441  Mentha pulegium Vernon Oswald; Lowell Ahart 1996-6-10 7756 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the NE corner of Tract 7.2, Sactuary I. 33 Comment
  JEPS95864  Mentha pulegium Lowell Ahart 1999-8-13 8164 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
  CHSC65893  Microseris douglasii subsp. douglasii Vernon H. Oswald 1996-4-19 7388 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Pasture near the S end of the S paddock of Tract 7, Sanctuary II. 32 Comment
  UC103699  Mimulus glaucescens R. M. Austin Apr, 1883 213 Butte Little Chico Creek Comment
  UC103740  Mimulus glaucescens Mrs. R. M. Austin 1890-1 159 Butte Little Chico Canyon Comment
  SEINET3079039 Image available Mimulus guttatus Marc Mittleman 1980-8-1 228 Butte Little Chico Creek, east side of China Garden Springs 262 Comment
  UC103727  Mimulus latidens Mrs. R. M. Austin 1890-1 164 Butte Little Chico Creek Comment
  JEPS95802  Mimulus pilosus Lowell Ahart 1999-8-13 8133 Butte about 1 mile southeast of Ord Ferry; Chico; 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
  JEPS95876  Mimulus pilosus Lowell Ahart 1999-8-13 8133 Butte about 1 mile southeast of Ord Ferry; Chico; 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
  JEPS95930  Mollugo verticillata Lowell Ahart 1999-8-13 8176 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
  JEPS95821  Muhlenbergia filiformis Lowell Ahart 1999-10-3 8284 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
  CHSC66685  Najas gracillima Vernon H. Oswald; Lowell Ahart 1996-7-22 8093 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In shallow water on the S side of Tract 3.1, Sanctuary II. 32 Comment
  JEPS88529  Najas gracillima Vernon H. Oswald and Lowell Ahart 1996-6-22 8093 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River. 32 Comment
  CHSC66081  Navarretia leucocephala subsp. leucocephala Vernon H. Oswald 1996-5-23 7634 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bed of a vernal pool in Tract 5, Sanctuary I. 32 Comment
  JEPS95923  Nicotiana acuminata var. multiflora Lowell Ahart 1999-8-13 8135 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
  JEPS95801  Nicotiana quadrivalvis Lowell Ahart 1999-8-13 8136 Butte about 1 mile southeast of Ord Ferry; Chico; 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
  JEPS95875  Nicotiana quadrivalvis Lowell Ahart 1999-8-13 8136 Butte about 1 mile southeast of Ord Ferry; Chico; 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
  CHSC2167  Oryza sativa D. Bower 1953-9-8 Butte 4A Llano Seco. 30 Comment
  POM125853  Oryza sativa Donahoe 1923-10 s.n. Butte Llano Seco Ranch, Chico. Comment
  JEPS95815  Panicum capillare Lowell Ahart 1999-9-21 8281 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
  JEPS88223  Panicum dichotomiflorum Vernon H. Oswald and Lowell Ahart 1996-6-10 7755 Butte in US Fish & Wildlife parcel between 7 Mile Lane and Sacramento River, in NE corner of Tract 7.2, Sanctuary I Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  CHSC66462  Panicum dichotomiflorum subsp. dichotomiflorum Vernon H. Oswald; Lowell Ahart 1996-6-10 7755 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Bed of seasonal marsh in the NE corner of Tract 7.2, Sanctuary I. 33 Comment
  CHSC2171  Paspalum dilatatum D. Bower 1953-7-23 Butte 1A Llano Seco. 30 Comment
  CHSC2170  Paspalum distichum D. Bower 1953-7-9 Butte 1A Llano Seco. 30 Comment
  CHSC66464  Paspalum distichum Vernon H. Oswald; Lowell Ahart 1996-6-10 7759 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bed of a seasonal marsh near the center of the W side of Tract 7.1, Sanctuary I. 33 Comment
  JEPS98522  Paspalum distichum Lowell Ahart 2000-10-2 8697 Butte Northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) soutwest of Chico. 32 Comment
  UC88561  Paspalum distichum Vernon H. Oswald and Lowell Ahart 1996-6-10 7759 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (near the center of the w side of Tract 7.1, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  UC103098  Penstemon newberryi var. newberryi Mrs. R. M. Austin June 1899 175 Butte Bluffs Little Chico Creek Comment
  CHSC66659  Perideridia kelloggii Vernon H. Oswald; Lowell Ahart 1996-7-22 8089 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Near the SW corner of Tract 3.4, Sanctuary II, on the Llano Seco Ranch side of the refuge boundary. 32 Comment
  CHSC48661  Persicaria amphibia Vernon Oswald 1987-7-4 3091 Butte Rancho Aquas Frias. 7-Mile Lane, 2.8 mi s of Dayton-Ord Hwy, between Chico and Butte City. Growing in a dry roadside ditch. 33 Comment
  CHSC66166  Persicaria amphibia Vernon H. Oswald; Lowell Ahart 1996-5-27 7672 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Large colonies in a ditch between Seven Mile Lane and Tract 6, Santuary II, just N of the equipment parking lot. 32 Comment
  CHSC66674  Persicaria hydropiperoides Vernon H. Oswald; Lowell Ahart 1996-7-22 8082 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Abundant in wet mud on the bottom of a drying slough on the W side of the levee at the SW corner of Tract 6, Sanctuary I. 30 Comment
  CHSC23425  Persicaria lapathifolia K. R. Stern 1972-9-19 3781 Butte Margin of Perkins Lake, Llano Seco Rancho, ca. 10 mi sw of Chico. Comment
  CHSC66167  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1996-5-27 7665 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile lane and the Sacramento River. Locally common on the drying bed of seasonal marsh on the S side of Tract 1.1, Sanctuary II. 33 Comment
  CHSC1348  Persicaria maculosa D. Bower 1953-7-16 Butte 3A Llano Seco. 30 Comment
  CHSC66675  Persicaria maculosa Vernon H. Oswald; Lowell Ahart 1996-7-22 8097 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Growing in gravel on the edge of the public access parking lot on Seven Mile Lane, adjacent to the SE corner of Tract 2, Santuary II. 33 Comment
  CHSC66676  Persicaria punctata Vernon H. Oswald; Lowell Ahart 1996-7-22 8077 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common among tules on the edge of the farm road crossing a branch of Angel Slough W of Refuge Headquarters at the SE corner of Tract 1, Sanctuary I. 32 Comment
  CHSC65996  Phalaris lemmonii Vernon H. Oswald 1996-4-20 7400 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC2173  Phalaris paradoxa D. Bower 1953-8-27 Butte 1A Llano Seco. 30 Comment
  CHSC66101  Phalaris paradoxa Vernon H. Oswald 1996-5-23 7635 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the levee at the SW edge of Tract 9.2, Sanctuary I. 32 Comment
  HSC97374  Phyllostachys bambusoides var. aurea J. P. Smith, J. O. Sawyer 2007-9-2 12421 Butte Ord Ferry Rd., SW of Dayton 42 Comment
  CDA9258  Physalis acutifolia D. G. Kelch 2006-8-2 6 .336 Butte Along Ord Ferry Rd. Comment
  CHSC1932  Physalis acutifolia V. Holt 1935-10-1 Butte Ord road. Ditch near alfalfa field. Comment
  SD175856  Physalis acutifolia D. G. Kelch 2006-8-2 06 336 Butte Along Ord Ferry Road, east of old Sacramento River channel. 29 Comment
  CHSC1931  Physalis lancifolia D. Bower 1953-8-13 Butte 4A Llano Seco. Rice fields. Comment
  CHSC66362  Physalis lancifolia Vernon H. Oswald 1996-6-20 7822 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the hiking trail near the east observation platform (S end of Tract 2, Sanctuary II). 33 Comment
  UC114301  Physocarpus capitatus Mrs. R. M. Austin May 1896 730 Butte Little Chico Creek Comment
  CHSC65896  Plagiobothrys stipitatus var. micranthus Vernon H. Oswald 1996-4-20 7407 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In formerly irrigated pasture in the S end of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65897  Plagiobothrys stipitatus var. stipitatus Vernon H. Oswald 1996-4-10 7355 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a check in an old irrigated pasture at the S end of Tract 7, Sanctuary 2. 33 Comment
  CHSC66158  Planodes virginica Vernon H. Oswald; Lowell Ahart 1996-5-27 7655 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Bed of marsh at the S end of Tract 2, Sanctuary II. 33 Comment
  UC171664  Plantago erecta Mrs. R. M. Austin Apr 1896 248 Butte Little Chico Creek Comment
  CHSC66165  Plantago lanceolata Vernon Oswald; Lowell Ahart 1996-5-27 7666 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and the Sacramento River. Scattered plants in the formerly irrigated pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  JEPS88267  Plantago lanceolata Vernon H. Oswald and Lowell Ahart 1996-5-27 7666 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane & Sacramento R. Sacramento R. Nat'l Wildlife Refuge (in the s. paddock of Tract 7, Sanctuary II, Llano Seco Unit); , Llano Seco Unit 32 Comment
  UC102803  Plantago lanceolata Mrs. R. M. Austin May 1896 290 Butte Little Chico Creek Comment
  JEPS95936  Plantago major Lowell Ahart 1999-8-13 8173 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
  CHSC65692  Poa annua Vernon H. Oswald 1996-3-22 7251 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, N end of levee between Tracts 6 and 7.1. On the levee road. 33 Comment
  JEPS95987  Poa annua Lowell Ahart 1999-10-28 8311 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
  CHSC772  Pogogyne douglasii D. Bower 1953-7-16 Butte 4A Llano Seco. 30 Comment
  JEPS95886  Polanisia dodecandra subsp. trachysperma Lowell Ahart 1999-8-13 8157 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
  JEPS88567  Polygonum amphibium var. emersum Vernon H. Oswald and Lowell Ahart 1996-5-27 7672 Butte U.S. Fish and Wildlife parcel between 7 Mile Lane and Sacramento River (in a ditch between 7 Mile Lane and Tract 6, Sanctuary 2, just n of the equipment parking lot); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS88583  Polygonum douglasii subsp. douglasii Vernon H. Oswald and Lowell Ahart 1996-7-22 8082 Butte U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (w side of levee at sw corner of Tract 6, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit 30 Comment
  JEPS95813  Polygonum hydropiper Lowell Ahart 1999-10-3 8293 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
  JEPS95814  Polygonum hydropiper Lowell Ahart 1999-9-21 8271 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
  JEPS95934  Polygonum lapathifolium Lowell Ahart 1999-8-13 8174 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
  JEPS96004  Polygonum lapathifolium Vernon H. Oswald and Lowell Ahart 1996-5-27 7665 Butte U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and Sacramento River (seasonal marsh on s side of Tract 1.1, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  CDA2775  Polygonum persicaria L. Ahart 1999-9-21 8270 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
  JEPS88546  Polygonum persicaria Vernon H. Oswald and Lowell Ahart 1996-7-22 8097 Butte U.S. Fish and Wildlife Service Parcel between 7-Mile Lane and Sacramento River (edge of public access parking lot on 7-Mile Lane, adjacent to se corner of Tract 2, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 33 Comment
  JEPS88548  Polygonum punctatum Vernon H. Oswald and Lowell Ahart 1996-7-22 8077 Butte U.S. Fish and Wildlife Service parcel between 7-Mile Lane and Sacramento River (edge of farm road crossing a branch of Angel Slough w of Refuge HQ at se corner of Tract 1...); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  UCR263557  Polygonum punctatum Vernon H. Oswald, Lowell Ahart 1996-7-22 8077 Butte Sacramento Valley, Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common among tules on the edge of the farm road crossing a branch of Angel Slough W of Refuge Headquarters at the SE corner of Tract 1, Sanctuary I 32 Comment
  UC122771  Polypodium calirhiza Mrs. R. M. Austin 1883-4-1 313 Butte bluffs - Little Chico Creek Little Chico Creek Comment
  JEPS88273  Polypogon maritimus Vernon H. Oswald and Lowell Ahart 1996-5-27 7662 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane & the Sacramento R. Sacramento R. Nat'l Wildlife Refuge (s. side of levee rd. at s.w. corner of Tract 3.4, Sanctuary II, Llano Seco Unit); , Llano Seco Unit 32 Comment
  CHSC66177  Polypogon monspeliensis Vernon H. Oswald; Lowell Ahart 1996-5-27 7663 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II. 32 Comment
  JEPS88274  Polypogon monspeliensis Vernon H. Oswald and Lowell Ahart 1996-5-27 7663 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane & the Sacramento R. Scaramento R. Nat'l Wildlife Refuge (on s. side of levee rd. at s.w. corner of Tract 3.4, Sanctuary II, Llano Seco Unit); , Llano Seco Unit 32 Comment
  CHSC65689  Populus fremontii subsp. fremontii Vernon H. Oswald 1996-3-22 7250 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, S edge of Tract 2. 33 Comment
  JEPS95861  Potamogeton crispus Lowell Ahart 1999-8-22 8189 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
  CHSC66688  Potamogeton foliosus var. foliosus Vernon H. Oswald; Lowell Ahart 1996-7-22 8091 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the SW corner of Tract 3.2, Sanctuary II. 32 Comment
  JEPS102423  Potamogeton illinoensis Lowell Ahart 2001-7-6 8882 Butte Small pond, west of a large pond, large overflow area on the east side of the Sacramento River, NW of Parrott Landing, about 1 mile SE of Ord Ferry, about 2 miles SE of Ord Bend, about 12 miles (air) SW of Chico. 32 Comment
  JEPS98974  Potamogeton illinoensis Lowell Ahart 2001-7-6 8882 Butte Small pond, west of a large pond, large overflow area on the east side of the Sacramento River, NW of Parrott Landing, about 1 mile SE of Ord Ferry, about 2 miles SE of Ord Bend, about 12 miles (air) SW of Chico. 32 Comment
  CHSC66689  Potamogeton nodosus Vernon H. Oswald; Lowell Ahart 1996-7-22 8090 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the SW corner of Tract 3.2, Sanctuary II. 32 Comment
  JEPS88536  Potamogeton nodosus Vernon H. Oswald and Lowell Ahart 1996-7-22 8090 Butte U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River (at sw corner of Tract 3.2, Sanctuary II); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  JEPS95859  Potamogeton pusillus var. pusillus Lowell Ahart 1999-8-22 8190 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
  SEINET3077020 Image available Potentilla flabellifolia Marc Mittleman 1980-8-1 Butte Little Chico Creek, adjacent to China Garden Springs. 262 Comment
  CHSC28731  Proboscidea louisianica M. Banchero; R. Schlising, R. Banchero 1979-9-23 45 Butte SW of Chico, along Ord Ferry Road, 3.7 mi W of jct Ord Ferry and Goodspeed--Watt Roads (= Dayton Four Corners). Comment
  CHSC66305  Proboscidea louisianica subsp. louisianica Vernon H. Oswald 1996-6-20 7834 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Growing on the edge of a marshy drainage on the dry bed of seasonal marsh at the NW corner of Tract 2, Sanctuary II. 33 Comment
  CHSC35644  Pseudognaphalium luteoalbum R. E. Preston 1982-4-7 228 Butte On n bank of Western Canal, at jct with Aguas Frias Rd, ca. 12 mi s of Chico. 32 Comment
  CHSC65682  Pseudognaphalium luteoalbum Vernon H. Oswald 1996-3-22 7256 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  SEINET2054141 Image available Pseudognaphalium luteoalbum Marc Mittleman 1980-8-1 221 Butte Little Chico Creek, adjacent to China Garden Springs. 262 Comment
  CHSC65894  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald 1996-4-19 7391 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Pasture near the S end of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC65895  Psilocarphus oregonus Vernon H. Oswald 1996-4-20 7406 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along the W end of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC3160  Quercus kelloggii Dona Kingsford 1966-4-23 Butte 11.1 miles SW of Hooker Oak Tree. Chico. Comment
  CHSC26646  Rhamnus tomentella subsp. tomentella M. S. Taylor 1977-11-10 1514 Butte Small tree, at jct of Chico-Butte Hwy and Ord Ferry Rd, ca. 6 mi s of Chico. 36 Comment
  UC80208  Rhamnus tomentella subsp. tomentella Mrs. R. M. Austin 1895-2 694 Butte Little Chico Creek Comment
  UC124165  Rhus trilobata Mrs. R. M. Austin 1896-4 767 Butte Little Chico Creek Comment
  CHSC65775  Rorippa curvisiliqua var. occidentalis Vernon H. Oswald 1996-4-10 7352 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the levee between Tract 10.1 and Tract 10.2 (seasonal marshes), Sanctuary 1. 32 Comment
  JEPS95863  Rorippa curvisiliqua var. occidentalis Lowell Ahart 1999-8-13 8155 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
  JEPS95951  Rorippa palustris var. hispida Lowell Ahart 1999-8-13 8182 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
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Feb 25 2009
  CHSC35643  Rorippa palustris var. occidentalis R. E. Preston 1982-4-7 227 Butte On n bank of Western Canal; at its jct with Aguas Frias Rd, ca. 12 mi s of Chico. 32 Comment
  CHSC33638  Rosa californica M. Merryman; R. A. Schlising 1979-9-23 46 Butte SW of Chico along Ord Ferry Rd, ca. 3.7 mi w of Dayton Four Corners. Just w of the meridian. Field edge at roadside. 35 Comment
  CHSC66669  Rotala ramosior Vernon H. Oswald; Lowell Ahart 1996-7-22 8085 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 30 Comment
  JEPS88409  Rotala ramosior Vernon H. Oswald and Lowell Ahart 1996-7-22 8085 Butte U.S. Fish and Wildlife Service between Seven Mile Lane and Sacramento River (Sacramento River National Wildlife Refuge, Llano Seco Unit, nw corner of Tract 9.1, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit 30 Comment
  JEPS95941  Rotala ramosior Lowell Ahart 1999-8-13 8170 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
  CHSC65688  Rubus ursinus Vernon H. Oswald 1996-3-22 7253 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, SE corner of Tract 1, on the edge of a branch of Angel Slough. 30 Comment
  CHSC23688  Sagittaria latifolia K. Stern 1970-6-1 Butte Growing in ditch in Rancho Llano Seco. Comment
  CHSC44433  Sagittaria longiloba Carl Wick 1988-6-17 Butte Rice field, south of Grainland Road, west of Agua Fria Road (Goodspeed Watt Road), south of Dayton. 39 Comment
  CHSC66682  Sagittaria longiloba Vernon H. Oswald; Lowell Ahart 1996-7-22 8087 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a roadside ditch S of Refuge Headquarters on the E side of Tract 7.3, Sanctuary I. 32 Comment
  JEPS88387  Sagittaria longiloba Vernon H. Oswald and Lowell Ahart 1996-7-22 8087 Butte on the e side of Tract 7.3, Sanctuary I in a roadside ditch s Refuge Headquarters (U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River); Sacramento River National Wildlife Refuge, Llano Seco Unit 32 Comment
  CHSC2052  Sagittaria montevidensis subsp. calycina D. Bower 1953-7-23 Butte 1A Llano Seco. 30 Comment
  CHSC2053  Sagittaria montevidensis subsp. calycina D. Bower 1953-7-9 Butte 3A Llano Seco. 30 Comment
  CHSC66363  Sagittaria montevidensis subsp. calycina Vernon H. Oswald 1996-6-20 7831 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the S end of Tract 3.4, Sanctuary II. 33 Comment
  CHSC65690  Salix gooddingii Vernon H. Oswald 1996-3-22 7249 Butte Sanctuary 1, S edge of Tract 2. 33 Comment
  CHSC65781  Salix lasiolepis Vernon H. Oswald 1996-4-10 7349 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the NE corner of Tract 4.2, Sanctuary 1. Sacramento River National Wildlife Refuge, Llano Seco Unit. 32 Comment
  JEPS95990  Salsola tragus Lowell Ahart and Vernon H. Oswald 1999-10-3 8295 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
  UC174165  Sanicula bipinnata Mrs. R. M. Austin Apr. 1896 210 Butte Little Chico Creek Comment
  UC174161  Sanicula bipinnatifida Mrs. R. M. Austin Apr. 1896 214 Butte Little Chico Creek Comment
  CHSC65885  Scandix pecten-veneris Vernon H. Oswald 1996-4-20 7409 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the SE corner of Tract 5, Sanctuary II. Sacramento Valley. 32 Comment
  CHSC66168  Schoenoplectus acutus var. occidentalis Vernon H. Oswald 1996-5-27 7656 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a drainage on the bed of seasonal marsh at the SW corner of Tract 2, Sanc-tuary II. 33 Comment
  CHSC66366  Schoenoplectus mucronatus Vernon H. Oswald 1996-6-20 7836 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. A seasonal marsh at the SW corner of Tract 2, Sanctuary II. 33 Comment
  JEPS95816  Schoenoplectus tabernaemontani Lowell Ahart 1999-9-21 8278 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
  UC306791  Selaginella hansenii R. M. Austin May 1883 20 Butte bluffs along Little Chico Creek Little Chico Creek Comment
  CHSC65683  Senecio vulgaris Vernon H. Oswald 1996-3-22 7255 Butte Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract. 33 Comment
  CHSC2186  Setaria pumila D. Bower 1953-7-16 Butte 3A Llano Seco. 30 Comment
  CHSC66686  Setaria pumila Vernon H. Oswald; Lowell Ahart 1996-7-22 8086 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the NW corner of Tract 9.1, Sanctuary I. 30 Comment
  CHSC66102  Setaria sphacelata Vernon H. Oswald 1996-5-23 7630 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the NE corner of Tract 7.2. Sanctuary I. 33 Comment
  UC725875  Sidalcea hartwegii A. A. Heller 1926-4-28 13934 Butte near Little Chico Creek; near Little Chico Creek Comment
  UC138306  Sidalcea robusta Mrs. R. M. Austin Apr 1896 822 Butte Little Chico Canyon Comment
  UC185513  Silene gallica Mrs. R. M. Austin May, 1896 859 Butte Little Chico Creek Comment
  CHSC66154  Silybum marianum Vernon H. Oswald; Lowell Ahart 1996-5-27 7667 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC80520  Sinapis arvensis Vernon H. Oswald 2001-4-1 9993 Butte Grainland Rd (Pratt Grant Rd) 0.75 mi east of Seven Mile Lane, southwest of Chico. 30 Comment
  CHSC66084  Solanum americanum Vernon H. Oswald 1996-5-23 7633 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a branch of Angel Slough at the SE corner of Tract 1, Sanctuary I. 33 Comment
  JEPS95793  Solanum americanum Lowell Ahart 1999-10-28 8319 Butte about 1 mile southeast of Ord Ferry Ord Ferry; Chico; 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
  JEPS95810  Solanum americanum Lowell Ahart 1999-10-28 8319 Butte about 1 mile southeast of Ord Ferry Ord Ferry; Chico; 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
  UC104231  Solanum umbelliferum Mrs. R. M. Austin May 1896 140 Butte Little Chico Creek Comment
  CHSC13804  Solidago velutina subsp. californica K. R. Stern 1972-9-19 3782 Butte Margins of Perkins Lake, Llano Seco Rancho, ca. 10 mi sw of Chico. Comment
  CHSC66155  Sonchus asper subsp. asper Vernon H. Oswald; Lowell Ahart 1996-5-27 7669 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66156  Sonchus oleraceus Vernon H. Oswald; Lowell Ahart 1996-5-27 7669 .1 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66157  Sonchus tenerrimus Vernon H. Oswald; Lowell Ahart 1996-5-27 7670 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  JEPS95809  Sorghum halepense Lowell Ahart 1999-10-28 8318 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
  CHSC66077  Stachys stricta Vernon H. Oswald 1996-5-23 7632 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Growing along a branch of Angel Slough at the SE corner of Tract 1, Sanctuary I. 33 Comment
  CHSC13803  Symphyotrichum chilense K. R. Stern 1972-9-19 3780 Butte Dry margins of Perkins Lake, Llano Seco Rancho, ca 10 mi SW of Chico. Comment
  CHSC66847  Symphyotrichum chilense Vernon H. Oswald 1996-9-30 8293 Butte Northern Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Llano Seco Rancho between 7 Mile Lane and the Sacramento River. At the S end of Tract 5, Sanctuary I. 30 Comment
  CHSC65886  Symphyotrichum lanceolatum var. hesperium Vernon H. Oswald 1996-4-20 7401 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacra-mento Valley. 32 Comment
  CHSC66836  Symphyotrichum subulatum var. parviflorum Vernon H. Oswald 1996-8-29 8246 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 32 Comment
  UC106147  Tauschia hartwegii Mrs. R. M. Austin Mar. 1896 Butte Little Chico Creek Comment
  CHSC66069  Torilis arvensis subsp. arvensis Vernon H. Oswald 1996-5-23 7629 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildllife Service parcel between 7 Mile Lane and the Sacramento River. On the levee at eh NE corner of Tract 7.2, Sanctuary I. 33 Comment
  CHSC66066  Torilis nodosa Vernon H. Oswald 1996-5-9 7549 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. 32 Comment
  UC106142  Torilis nodosa R. M. Austin May 1883 210 Butte Little Chico Creek Comment
  UC449714  Toxicodendron diversilobum Mrs. R. M. Austin May, 1896 97 Butte Little Chico Creek Comment
  SEINET2066373 Image available Trichostema lanceolatum Marc Mittleman 1980-8-1 228 Butte Little Chico Creek, E side of China Garden Springs 262 Comment
  CHSC65993  Trifolium bifidum var. decipiens Vernon H. Oswald 1996-5-9 7543 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 Mile Lake and the Sacramento River. Sacramento Valley. In the S paddock of Tract 7, Sanctuary II (formerly irrigated pasture). 32 Comment
  CHSC65900  Trifolium fucatum Vernon H. Oswald 1996-4-19 7390 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In adobe soil of a formerly irrigated pasture near the S end of the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC66161  Trifolium willdenovii Vernon H. Oswald; Lowell Ahart 1996-5-27 7657 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common on an elevated area on the bed of seasonal marsh at the SW corner of Tract2, Sanctuary II. 33 Comment
  JEPS88272  Trifolium willdenovii Vernon H. Oswald and Lowell Ahart 1996-5-27 7657 Butte U.S. Fish & Wildlife Service parcel between 7 Mile Lane and Sacramento R. (bed of seasonal marsh at s.w. corner of Tract 2 Sanctuary II); Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit 33 Comment
  UC143061  Triteleia bridgesii Mrs. R. M. Austin May 1896 38 Butte Little Chico Creek Comment
  CHSC66855  Urtica urens Vernon H. Oswald 1996-9-30 8290 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. Llano Seco Rancho between 7 Mile Lane and the Sacramento River. On the drying margin of Angel Slough on the W side of Tract 4, Sanctuary I. 30 Comment
  CHSC816  Utricularia gibba D. Bower 1953-8-3 Butte 5A Llano Seco. 30 Comment
  CHSC25322  Verbena hastata Hayes; Warner, Schlising 1977-8-23 50 Butte Where the little Butte Creek drainage crosses road Z, c. 8 mi sw of Chico. 60 Comment
  CHSC66449  Verbena hastata Vernon H. Oswald; Lowell Ahart 1996-6-10 7762 Butte Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and the Sacramento River. Near the farm road crossing a branch of Angel Slough at the SE corner of Tract 1, Sanctuary I. 32 Comment
  CHSC66681  Verbena litoralis Vernon H. Oswald 1996-7-17 8060 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. 30 Comment
  JEPS95878  Veronica anagallis-aquatica Lowell Ahart 1999-8-13 8129 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
  JEPS95985  Veronica anagallis-aquatica Lowell Ahart 1999-10-28 8299 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
  CHSC65782  Veronica peregrina subsp. xalapensis Vernon H. Oswald 1996-4-10 7356 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture at the S end of Tract 7, Sanctuary 2. 33 Comment
  UC137678  Vitis californica Mrs. R. M. Austin May 1896 136 Butte Little Chico Creek Comment
  CHSC66178  Vulpia bromoides Vernon H. Oswald; Lowell Ahart 1996-5-27 7671 .1 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit.U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. 32 Comment
  CHSC432  Xanthium spinosum D. Bower 1953-7-23 Butte 3A Llano Seco. Marsh. 30 Comment
  UC174167  Yabea microcarpa Mrs. R. M. Austin May 1896 69 Butte bluffs Little Chico Creek Comment
  JEPS95860  Zannichellia palustris Lowell Ahart 1999-8-22 8188 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
  UC142123  Zigadenus venenosus var. venenosus Mrs. R. M. Austin Apr 1896 31 Butte Little Chico Creek Comment



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