Search Results — 367 specimen records retrieved (353 records with coordinates)
Results for search: County=COLUSA; Source=All; Collector=Oswald;   
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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
  CDA10716  Chaenactis glabriuscula var. heterocarpha Vernon H. Oswald & Lowell Ahart 1998-5-7 9011 Colusa Bartlett Springs Road 2.8 miles west of Bear Valley Road, 0.1 mile east of Sawtelle Valley and Grapevine Flat Roads. Comment
  CDA8257  Madia hallii Vernon H. Oswald & Lowell Ahart 1998-5-7 9012 Colusa Bartlett Springs Road 2.8 miles west of Bear Valley Road, 0.1 mile east of Sawtelle Valley and Grapevine Flat Roads. Comment
  CHSC38161  Ranunculus occidentalis var. occidentalis Vernon Oswald 1983-3-28 225 Colusa About 22.2 mi s and e of Stonyford on the Sites-Lodoga Rd. On a road cut. 213 Comment
  CHSC42571  Angelica tomentosa Vernon Oswald 1984-7-20 1612 Colusa Near the Lily Pond n of Letts Lake in the Mendocino Nat. Forest. 1280 Comment
  CHSC42572  Angelica tomentosa Vernon Oswald 1986-6-30 2178 Colusa Northwest side of Lily Pond near Letts Lake. 1188 Comment
  CHSC42573  Berula erecta Vernon Oswald 1986-6-30 2171 Colusa Fouts Spring Rd. (M10) at Candy Bucket Spring, 6.0 mi w of Rd. 306. 0.4 mi e of jct. John Smith Rd. (M5). 609 Comment
  CHSC42575  Cicuta douglasii Vernon Oswald 1986-6-30 2176 Colusa North end of Lily Pond near Letts Lake. 1188 Comment
  CHSC42597  Lomatium californicum Vernon Oswald 1986-6-4 2080 Colusa M10, 0.2 mi w of its jct. with M5. 609 Comment
  CHSC42602  Lomatium hooveri Vernon Oswald 1986-5-12 2005 Colusa Brim Rd. (Bartlett Springs Rd.) 1.5 mi w of Bear Valley Rd. 441 Comment
  CHSC42612  Lomatium macrocarpum Vernon Oswald 1986-3-25 1053 Colusa Fouts Springs Rd. (M10) at Diversion Dam Campground 3.4 mi w of Rd. 306. 411 Comment
  CHSC42649  Perideridia howellii Vernon Oswald 1986-6-30 2180 Colusa Mill Valley Campground near Letts Lake and Lily Pond. 1188 Comment
  CHSC42651  Perideridia kelloggii Vernon Oswald 1986-6-30 2175 Colusa Letts Lake Rd. (17N02) 0.6 mi se of M10. 1219 Comment
  CHSC42673  Sanicula tuberosa Vernon Oswald 1986-3-25 1052 Colusa Fouts Spring Rd. (M10) 0.5 mi e of John Smith Rd. (M5). 548 Comment
  CHSC43737  Galium andrewsii subsp. andrewsii Vernon Oswald 1986-5-12 2012 Colusa Brim Rd. (Bartlett Springs Rd.) 2.1 mi W of Bear Valley Rd. 487 Comment
  CHSC43804  Potamogeton natans Vernon Oswald 1984-7-20 1624 Colusa Lily Pond n of Letts Lake in Mendocino National Forest. In a pool on a streamlet in the meadow. 1280 Comment
  CHSC45069  Carex serratodens Vernon Oswald 1984-5-2 1169 Colusa Mendocino Nat. Forest, Fouts Spring Rd. (M10; 18N01) 5.9 mi w of Stonyford. 609 Comment
  CHSC45331  Sidalcea keckii Vernon Oswald 1984-5-2 1164 Colusa Along the access road on the e side of East Park Res. 0.3 mi n of Site-Lodoga Rd. 365 Comment
  CHSC45699  Rafinesquia californica Vernon Oswald 1986-5-12 2004 Colusa Sites-Lodoga Rd. 0.2 mi w of Grapevine Pass. Roadside. 487 Comment
  CHSC46306  Astragalus rattanii var. jepsonianus Vernon Oswald 1986-5-12 2006 Colusa Brim Rd. (Bartlett Springs Rd.) 1.8 mi w of Bear Valley Rd. 502 Comment
  CHSC46320  Schoenoplectus pungens Vernon Oswald 1989-6-3 3795 Colusa Little Stony Creek at the mouth of Frenzl Creek, ca. 6 mi s of Stonyford, north edge of Frenzel Creek Research Natural Area, Mendocino National Forest. 426 Comment
  CHSC46859  Acer macrophyllum Vernon Oswald 1989-9-12 4007 Colusa Goat Mtn Rd 3.0 mi wsw of Lodoga-Stonyford Rd, ca. 6 mi (air) s of Stonyford. 426 Comment
  CHSC46872  Cycloloma atriplicifolium Vernon Oswald 1989-9-12 4009 Colusa Goat Mtn Rd 2.1 mi wsw of Lodoga-Stonyford Rd, ca. 6 mi (air) s of Stonyford. On the n side of Little Stony Creek. 411 Comment
  CHSC46874  Frankenia salina Vernon Oswald 1989-9-12 4011 Colusa Maxwell-Colusa Rd 1.9 mi e of Maxwell, just w of Two-Mile Rd. On upper bank of roadside ditch. 33 Comment
  CHSC46877  Eriogonum wrightii var. trachygonum Vernon Oswald 1989-9-12 4010 Colusa Goat Mtn Rd 0.4 mi sw of Lodoga-Stonyford Rd, ca. 6 mi (air) s of Stonyford. 390 Comment
  CHSC46879  Cordylanthus pringlei Vernon Oswald 1989-9-12 4008 Colusa Goat Mtn Rd 2.1 mi wsw of Lodoga-Stonyford Rd, ca. 6 mi (air) s of Stonyford. At roadside on the n side of Little Stony Creek. 411 Comment
  CHSC46882  Lemna trisulca Vernon Oswald 1989-9-12 4005 Colusa Lily Pond near Letts Lake in the Mendocino National Forest, ca. 10 mi (air) sw of Stonyford. In pool at the outlet of the 'Lily Pond. 1341 Comment
  CHSC46886  Potamogeton pusillus var. tenuissimus Vernon Oswald 1989-9-12 4006 Colusa Letts Lake in the Mendocino National Forest, ca. 10 mi (air) sw of Stonyford. On the edge of the lake. 1365 Comment
  CHSC47984  Cryptantha torreyana Vernon Oswald 1986-6-30 2177 Colusa Northwest side of Lily Pond near Letts Lake. Roadway. 1188 Comment
  CHSC48008  Downingia elegans Vernon Oswald 1984-7-20 1616 Colusa Lily Pond n of Letts Lake in Mendocino National Forest. 1280 Comment
  CHSC48018  Lonicera involucrata var. ledebourii Vernon Oswald 1984-7-20 1618 Colusa Letts Lake in Mendocino National Forest. Comment
  CHSC48135  Chaenactis douglasii var. douglasii Vernon Oswald 1984-7-20 1620 Colusa Letts Lake in Mendocino National Forest on top of the dam. 1402 Comment
  CHSC48178  Madia elegans subsp. elegans Vernon Oswald 1986-6-30 2174 Colusa Letts Lake Rd. (17N02) 0.6 mi se of M10. 1219 Comment
  CHSC48252  Dianthus armeria subsp. armeria Vernon Oswald 1986-6-30 2179 Colusa Mill Valley Campground near Letts Lake and Lily Pond. In a meadow. 1188 Comment
  CHSC48348  Streptanthus breweri var. breweri Vernon Oswald 1984-5-2 1166 Colusa Fouts Springs Rd. (M10) in the Mendocino National Forest, 5.1 mi w of Stonyford. 548 Comment
  CHSC48382  Quercus durata var. durata Vernon Oswald 1986-5-12 2008 Colusa Brim Rd. (Bartlett Springs Rd.) 1.8 mi w of Bear Valley Rd. 502 Comment
  CHSC48439  Dicentra chrysantha Vernon Oswald 1984-7-20 1609 Colusa M10, 11.3 mi w of Rd. 306 at Stonyford. 792 Comment
  CHSC48455  Hippuris vulgaris Vernon Oswald 1984-7-20 1622 Colusa Lily Pond n of Letts Lake in Mendocino National Forest. Rooted in bottom mud of a small pool where the meadow drains beneath the road. 1280 Comment
  CHSC48457  Myriophyllum hippuroides Vernon Oswald 1984-7-20 1621 Colusa Letts Lake in Mendocino National Forest. 1402 Comment
  CHSC48483  Agastache urticifolia Vernon Oswald 1984-7-20 1613 Colusa Near the Lily Pond n of Letts Lake in Mendocino Nat. Forest. 1280 Comment
  CHSC48491  Monardella odoratissima subsp. pallida Vernon Oswald 1984-7-20 1611 Colusa Near the Lily Pond n of Letts Lake in the Mendocino National Forest. 1280 Comment
  CHSC48492  Monardella villosa subsp. villosa Vernon Oswald 1986-6-30 2172 Colusa Fouts Spring Rd. (M10) at Candy Bucket Spring, 6.0 mi w of Rd. 306, 0.4 mi e of jct. John Smith Rd. (M5). 609 Comment
  CHSC48511  Lathyrus vestitus var. vestitus Vernon Oswald 1986-5-12 2009 Colusa Brim Rd. (Bartlett Springs Rd.) 2.1 mi w of Bear Valley Rd. 487 Comment
  CHSC48530  Lupinus microcarpus var. densiflorus Vernon Oswald 1986-3-25 1051 Colusa Sites-Lodoga Rd. 5.2 mi ne of Lodoga, 0.6 mi e of Grapevine Pass. Roadcut. 463 Comment
  CHSC48598  Hesperolinon californicum Vernon Oswald 1986-5-12 2010 Colusa Brim Rd. (Bartlett Springs Rd.) 2.1 mi w of Bear Valley Rd. Common in a grassy opening on a serpentine slope. 487 Comment
  CHSC48626  Clarkia gracilis subsp. gracilis Vernon Oswald 1984-5-2 1163 Colusa Sites-Lodoga Rd. 9.5 mi w of Sites. On a road cut. 533 Comment
  CHSC48647  Collomia diversifolia Vernon Oswald 1986-5-12 2011 Colusa Brim Rd. (Bartlett Springs Rd.) 2.1 mi w of Bear Valley Rd. On a roadcut. 487 Comment
  CHSC48648  Collomia diversifolia Vernon Oswald 1984-5-2 1167 Colusa Mendocino Nat. Forest, Fouts Spring Rd. (M10; 18N01) 5.7 mi w of Stonyford. On a road cut. 609 Comment
  CHSC48685  Aquilegia eximia Vernon Oswald 1984-7-20 1625 Colusa M10, 5.4 mi w of Rd. 306 at Stonyford. 609 Comment
  CHSC48848  Horkelia californica subsp. dissita Vernon Oswald 1984-7-20 1614 Colusa Lily Pond n of Letts Lake in Mendocino National Forest. On the edge of a meadow. 1280 Comment
  CHSC48888  Galium trifidum var. pacificum Vernon Oswald 1984-7-20 1615 Colusa Lily Pond N of Letts Lake in Mendocino National Forest. 1280 Comment
  CHSC48974  Castilleja foliolosa Vernon Oswald 1983-3-28 224 Colusa About 19.3 mi s 7 e of Stonyford on the Sites-Lodoga Rd. 457 Comment
  CHSC48984  Collinsia sparsiflora var. arvensis Vernon Oswald 1983-3-28 223 Colusa About 3.2 mi s of Stonyford on the Lodoga-Stonyford Rd. 365 Comment
  CHSC49580  Nassella cernua Vernon Oswald 1984-5-2 1165 Colusa Fouts Springs Rd. (M10) in the Mendocino National Forest, 4.6 mi w of Stonyford. 487 Comment
  CHSC49606  Juncus bolanderi Vernon Oswald 1984-7-20 1619 Colusa Letts Lake in Mendocino National Forest. 1402 Comment
  CHSC49642  Calochortus amabilis Vernon Oswald 1986-5-12 2007 Colusa Brim Rd, (Bartlett Springs Rd.) 1.8 mi w of Bear Valley Rd. 502 Comment
  CHSC49659  Lilium pardalinum subsp. pardalinum Vernon Oswald 1986-6-30 2173 Colusa Fouts Springs Rd. (M10) 14.5 mi w of Rd. 306, 0.5 mi ne of jct. Letts Lake Rd, 17N02. 1219 Comment
  CHSC49670  Toxicoscordion micranthum Vernon Oswald 1984-5-2 1170 Colusa Fouts Springs Rd. (M10) in Mendocino National Forest, 5.9 mi w of Stonyford. 60 Comment
  CHSC49694  Lemna minuta Vernon Oswald 1984-7-20 1623 Colusa Lily Pond n of Letts Lake in Mendocino National Forest. In a pool where meadow drains beneath road. 1280 Comment
  CHSC50794  Grindelia camporum var. camporum Vernon Oswald 1990-7-30 4410 Colusa Maxwell-Colusa Rd just east of Two Mile Rd, ca. 2 mi east of Maxwell. Between road and irrigation ditch. 27 Comment
  CHSC50803  Frankenia salina Vernon Oswald 1990-7-3 4411 Colusa Four Mile Rd ca. 4.5 mi n of Maxwell-Colusa Rd, ca. 6 mi (air) northeast of Maxwell. Along the edge of the road. 27 Comment
  CHSC53931  Chaenactis glabriuscula var. heterocarpha Vernon H. Oswald 1991-4-21 4518 Colusa Goat Mountain Rd, 0.4 mi southwest of Lodoga Stonyford Rd, south of Stonyford. 390 Comment
  CHSC53932  Cotula coronopifolia Vernon H. Oswald 1991-4-21 4524 Colusa Two Mile Rd, 3.7 mi south of Maxwell Colusa Rd. Along road through rice fields. 27 Comment
  CHSC53934  Lasthenia glabrata subsp. glabrata Vernon H. Oswald 1991-4-21 4520 Colusa Bear Valley Rd in Bear Valley, 1.0 mi south of Brim Rd (Bartlett Springs Rd), west of Williams. Roadside. 417 Comment
  CHSC53935  Lasthenia minor Vernon H. Oswald 1991-4-21 4527 Colusa Four Mile Rd, 3.1 mi south of Norman Rd, west-southwest of Princeton. Along the edge of the road. 27 Comment
  CHSC53936  Layia chrysanthemoides Vernon H. Oswald 1991-4-21 4521 Colusa Bear Valley Rd in Bear Valley, 1.0 mi south of Brim Rd (Bartlett Springs Rd), west of Williams. Roadside. 417 Comment
  CHSC53937  Layia platyglossa Vernon H. Oswald 1991-4-21 4522 Colusa Bear Valley Rd in Bear Valley, 3.3 mi south of Brim Rd (Bartlett Springs Rd), west of Williams. Roadside. 417 Comment
Read comments
May 24 2013
  CHSC53948  Spergularia marina Vernon H. Oswald 1991-4-21 4525 Colusa Two Mile Rd, 3.7 mi south of Maxwell Colusa Rd. On a flat along edge of road through rice fields. 27 Comment
  CHSC53964  Limnanthes douglasii subsp. nivea Vernon H. Oswald 1991-4-21 4517 Colusa Lodoga Stonyford Rd, ca. 2 mi south of Stonyford. Along drainages in pastures. 371 Comment
  CHSC53973  Linanthus dichotomus Vernon H. Oswald 1991-4-21 4519 Colusa Goat Mountain Rd, 0.4 mi southwest of Lodoga Stonyford Rd, south of Stonyford. 390 Comment
  CHSC53987  Calochortus uniflorus Vernon H. Oswald 1991-4-21 4523 Colusa Bear Valley Rd in Bear Valley, 4.6 mi south of Brim Rd (Bartlett Springs Rd), west of Williams. 417 Comment
  CHSC53989  Hordeum jubatum Vernon H. Oswald 1991-4-21 4526 Colusa Four Mile Rd, 1.9 mi north of Maxwell Colusa Rd. Roadside ditches in area of rice fields. 27 Comment
  CHSC60648  Cotula coronopifolia Vernon H. Oswald 1993-4-14 5266 Colusa S side of the Tour Route just W of Headquarters, Colusa National Wildlife Refuge, SW of Colusa. Bordering a pond. 18 Comment
  CHSC60658  Psilocarphus oregonus Vernon H. Oswald 1993-4-14 5268 Colusa Tour Route, Colusa National Wildlife Refuge, SW of Colusa. On top of a levee road branching off of the S leg of the tour route. 18 Comment
  CHSC60660  Amsinckia lycopsoides Vernon H. Oswald 1993-4-14 5267 Colusa Tour Route, Colusa National Wildlife Refuge, SW of Colusa. Along the edge of the levee road along the S leg of the tour route. 18 Comment
  CHSC60670  Callitriche marginata Vernon H. Oswald 1993-4-14 5261 Colusa W side of O'Hair Rd., just S of Hwy. 20, Colusa National Wildlife Refuge, SW of Colusa. On the bottom of a depression in a field along the road. 18 Comment
  CHSC60673  Downingia insignis Vernon H. Oswald 1993-4-14 5264 Colusa N side of O'Hair Rd., just E of the headquarters buildings, Colusa National Wildlife Refuge, SW of Colusa. 18 Comment
  CHSC60677  Spergularia marina Vernon H. Oswald 1993-4-14 5265 Colusa S side of the Tour Route just W of Headquarters, Colusa National Wildlife Refuge, SW of Colusa. 18 Comment
  CHSC60689  Diplacus tricolor Vernon H. Oswald 1993-4-14 5263 Colusa N. side of O'Hair Rd., just E of the headquarters buildings, Colusa National Wildlife Refuge, SW of Colusa. 18 Comment
  CHSC60692  Veronica peregrina subsp. xalapensis Vernon H. Oswald 1993-4-14 5262 Colusa W side of O'Hair Rd., just S of Hwy. 20, Colusa National Wildlife Refuge, SW of Colusa. 18 Comment
  CHSC60732  Downingia insignis Vernon H. Oswald; Lowell Ahart 1993-5-27 5428 Colusa Sites-Logoda Rd. ca. 0.5 mi NW of Sites in the rolling, grass covered hills bordering the W side of the Sacramento Valley. 121 Comment
  CHSC60744  Emmenanthe penduliflora var. penduliflora Vernon H. Oswald; Lowell Ahart 1993-5-27 5431 Colusa Sites-Lodoga Rd. ca 0.4 mi W of Grapevine Pass (4.6 road mi E of Lodoga). In loose mudstone along the road. 481 Comment
  CHSC60747  Phacelia imbricata subsp. imbricata Vernon H. Oswald; Lowell Ahart 1993-5-27 5430 Colusa Sites-Lodoga Rd. ca. 0.4 mi W of Grapevine Pass (4.6 road mi E of Lodoga). 481 Comment
  CHSC60750  Salvia columbariae Vernon H. Oswald; Lowell Ahart 1993-5-27 5432 Colusa Sites-Lodoga Rd. ca. 0.4 mi W of Grapevine Pass (4.6 road mi E of Lodoga). 481 Comment
  CHSC60872  Asclepias fascicularis Vernon H. Oswald 1993-6-23 5573 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, along the NE edge of Tract 41. 22 Comment
  CHSC60893  Salicornia subterminalis Vernon H. Oswald 1993-6-23 5572 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, on the W edge of Cell 2, Pool 11. 22 Comment
  CHSC60924  Phyla nodiflora var. rosea Vernon H. Oswald 1993-6-23 5571 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, near the S side of Cell 2, Pool 10. 21 Comment
  CHSC61030  Atriplex coronata var. coronata Vernon H. Oswald; Mike Wolder, Joe Silveira. 1993-7-26 5701 Colusa Colusa National Wildlife Refuge. Tract 18 on the S side of the refuge, ca. 1 mi W of Ohm Rd., ca. 1 mi N of Ware Rd., ca. 5 mi S of Colusa. 15 Comment
  CHSC61038  Atriplex joaquinana Vernon H. Oswald; Mike Wolder, Joe Silveira 1993-7-26 5702 Colusa Colusa National Wildlife Refuge. W side of Pool 3 on the S end of the refuge near Ohm Rd., ca. 2 mi N of Ware Rd., ca. 5 mi S of Colusa. 15 Comment
  CHSC61039  Atriplex depressa Vernon H. Oswald; Mike Wolder, Joe Silveira 1993-7-26 5703 Colusa Colusa National Wildlife Refuge. W side of Pool 3 on the S end of the refuge near Ohm Rd., ca. 2 mi N of Ware Rd., ca. 5 mi S of Colusa. 15 Comment
  CHSC61040  Bassia hyssopifolia Vernon H. Oswald; Mike Wolder, Joe Silveira 1993-7-26 5699 Colusa Colusa National Wildlife Refuge. SE corner of Tract 21 on the S side of the refuge near Ohm Rd., ca. 1 mi N of Ware Rd., ca. 6 mi S of Colusa. 15 Comment
  CHSC61041  Salicornia subterminalis Vernon H. Oswald; Mike Wolder, Joe Silveira 1993-7-26 5704 Colusa Colusa National Wildlife Refuge. Tract 7 just SW of the headquarters complex on O'Hair Rd., ca. 2 mi SW of Colusa. 12 Comment
  CHSC61042  Suaeda moquinii Vernon H. Oswald; Mike Wolder, Joe Silveira 1993-7-26 5698 Colusa Colusa National Wildlife Refuge. SE corner of Tract 21 on the S side of the refuge near Ohm Rd., ca. 1 mi N of Ware Rd., ca. 6 mi S of Colusa. 15 Comment
  CHSC61060  Cordylanthus palmatus Vernon H. Oswald; Mike Wolder, Joe Silveria 1993-7-26 5700 Colusa Tract 18 on the S side of the refuge, ca. 1 mi W of Ohm Rd, ca. 1 mi N of Ware Rd., ca. 5 mi S of Colusa. Colusa National Wildlife Refuge. 15 Comment
  CHSC61120  Lemna turionifera Vernon H. Oswald 1993-6-23 5570 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, near the SE corner of Cell 2, Pool 10. Along the edge of a marsh. 21 Comment
  CHSC61395  Ambrosia psilostachya Vernon H. Oswald; Joseph Silveira 1993-8-16 5804 Colusa Refuge located ca. 7 mi S of Willows, center N side of Tract 44, near the S boundary of the refuge. 24 Comment
  CHSC61398  Artemisia douglasiana Vernon H. Oswald 1993-8-16 5809 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, NE corner of Tract 41. 25 Comment
  CHSC61405  Hemizonia congesta subsp. luzulifolia Vernon H. Oswald 1993-8-16 5808 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, N end of E edge of Tract 41. Also in the south portion of the refuge. 25 Comment
  CHSC61423  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald; Joseph Silveira 1993-8-16 5803 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, center N side of Tract 44, near the S boundary of the refuge. On the N bank of Hunters Creek. 24 Comment
  CHSC61424  Croton setiger Vernon H. Oswald 1993-8-16 5805 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, W1/4 of Tract 44, near the S boundary of the refuge. Field on the N side of Hunters Creek. 24 Comment
  CHSC61429  Stachys stricta Vernon H. Oswald 1993-8-16 5806 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, W 1/4 of Tracts 44, near the S boundary of the refuge. Growing on N bank of Hunters Creek. 24 Comment
  CHSC61435  Persicaria punctata Vernon H. Oswald 1993-8-16 5807 Colusa Sacramento National Wildlife Refuge located ca. 7 mi S of Willows, W1/4 of Tract 44, near the S boundary of the refuge. Growing in shallow water on the N edge of Hunters Creek. 24 Comment
  CHSC61479  Lythrum tribracteatum Vernon H. Oswald; Lowell Ahart 1993-5-27 5429 Colusa Sites-Lodoga Rd. ca. 0.5 mi NW of Sites in the rolling, grass-covered hills bordering the W side of the Sacramento Valley. 121 Comment
  CHSC61686  Cyperus erythrorhizos Vernon H. Oswald 1993-9-1 5891 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, E side of Cell 2, Pool 12, near the S boundary of the refuge. 22 Comment
  CHSC61752  Lythrum californicum Vernon H. Oswald 1993-9-1 5890 Colusa Sacramento Wildlife Refuge. Refuge located ca. 7 mi S of Willows, N side of Hunters Creek in Tract 44, near the S boundary of the refuge. Growing along tules in a ditch along the levee road bordering the N side of Tract 44, S of Cell 1, Pool 12. 22 Comment
  CHSC61769  Euthamia occidentalis Vernon H. Oswald 1993-9-1 5889 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, N side of Hunters Creek in Tract 44, near the S boundary of the refuge. 22 Comment
  CHSC62834  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1994-3-23 6014 Colusa Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. 518 Comment
  CHSC62835  Cupressus sargentii Vernon H. Oswald; Lowell Ahart 1994-3-23 6010 Colusa Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. 518 Comment
  CHSC62836  Apiastrum angustifolium Vernon H. Oswald; Lowell Ahart 1994-3-23 6017 Colusa Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford. 505 Comment
  CHSC62837  Ericameria linearifolia Vernon H. Oswald; Lowell Ahart 1994-3-23 6019 Colusa Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford. Along road. 505 Comment
  CHSC62838  Layia septentrionalis Vernon H. Oswald; Lowell Ahart 1994-3-23 6020 Colusa Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford. Between the road and Little Stony Creek. 505 Comment
  CHSC62839  Cynoglossum grande Vernon H. Oswald; Lowell Ahart 1994-3-23 6023 Colusa Little Stony Creek just W of Digger Pine Campground on Goat Mtn. Rd., S of Stonyford. On slopes along the creek. 490 Comment
  CHSC62843  Lupinus albifrons var. collinus Vernon H. Oswald; Lowell Ahart 1994-3-23 6022 Colusa Little Stony Creek just W of Digger Pine Campground on Goat Mtn. Rd., S of Stonyford. 490 Comment
  CHSC62844  Arctostaphylos viscida subsp. pulchella Vernon H. Oswald 1994-3-23 6011 Colusa Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. 518 Comment
  CHSC62845  Phacelia distans Vernon H. Oswald; Lowell Ahart 1994-3-23 6021 Colusa Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford. Locally common in gravelly serpentine soil on the bank between the road and Little Stony Creek. 505 Comment
  CHSC62847  Pterostegia drymarioides Vernon H. Oswald; Lowell Ahart 1994-3-23 6018 Colusa Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford. Growing at the base of an outcropping of serpentine. 505 Comment
  CHSC62848  Claytonia exigua subsp. exigua Vernon H. Oswald; Lowell Ahart 1994-3-23 6015 Colusa Frenzel Creek Research Natural Area on the S side of Liitle Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. 518 Comment
  CHSC62849  Salix breweri Vernon H. Oswald; Lowell Ahart 1994-3-23 6016 Colusa Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section of the E side of Frenzel Creek, S of Stonyford. 518 Comment
  CHSC62850  Pedicularis densiflora Vernon H. Oswald 1994-3-23 6012 Colusa Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. 518 Comment
  CHSC62851  Nicotiana glauca Vernon H. Oswald; Lowell Ahart 1994-3-23 6024 Colusa Goat Mtn. Rd. 1.8 mi W of Stonyford-Lodoga Rd., S of Stonyford. Between the road and Little Stony Creek. 487 Comment
  CHSC62852  Fritillaria affinis Vernon H. Oswald; Lowell Ahart 1994-3-23 6013 Colusa Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. 518 Comment
  CHSC62858  Layia chrysanthemoides Vernon H. Oswald 1994-4-11 6103 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, on the E side of Pool 10 between levee road and Logan Creek. 21 Comment
  CHSC62885  Stellaria media Vernon H. Oswald 1994-3-14 5991 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, between Cell 1, Tract 38 and Tract 41. Along the side of a levee road. 25 Comment
  CHSC62886  Crassula tillaea Vernon H. Oswald 1994-3-14 5993 Colusa Refuge located ca. 7 mi S of Willows, in the parking area in the NE corner of Tract 41. Sacramento National Wildlife Refuge. 25 Comment
  CHSC62894  Erodium botrys Vernon H. Oswald 1994-3-14 5992 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, in the parking area in the NE corner of Tract 41. 25 Comment
  CHSC62909  Juncus balticus Vernon H. Oswald 1994-4-11 6104 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, at the SW corner of Tract 39. 25 Comment
  CHSC62917  Cheilanthes intertexta Vernon H. Oswald; Lowell Ahart 1994-4-6 6061 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. 469 Comment
  CHSC62918  Yabea microcarpa Vernon H. Oswald; Lowell Ahart 1994-4-6 6063 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. 469 Comment
  CHSC62919  Micropus californicus var. californicus Vernon H. Oswald; Lowell Ahart 1994-4-6 6067 B Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. 469 Comment
  CHSC62921  Pectocarya pusilla Vernon H. Oswald; Lowell Ahart 1994-4-6 6071 Colusa Goat Mtn. Rd. 0.8 mi S of Sullivan Creek Bridge, SW of Digger Pine Flat, S of Stonyford. On the edge of the road. 487 Comment
  CHSC62922  Plagiobothrys tenellus Vernon H. Oswald; Lowell Ahart 1994-4-6 6069 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. On the slopes bordering Sullivan Creek. 469 Comment
  CHSC62923  Cardamine oligosperma Vernon H. Oswald; Lowell Ahart 1994-4-6 6056 Colusa Goat Mtn. Rd. 0.1 mi NE of Digger Pine Flat, S of Stonyford. On a roadside bank. 463 Comment
  CHSC62925  Hornungia procumbens Vernon H. Oswald; Lowell Ahart 1994-4-6 6075 Colusa Goat Mtn. Rd. 0.3 mi S of Little Stony Creek Bridge, SW of Digger Pine Flat, SSW of Stonyford. Along a drainage. 548 Comment
  CHSC62926  Lepidium dictyotum var. dictyotum Vernon H. Oswald; Lowell Ahart 1994-4-6 6074 Colusa Goat Mtn. Rd. 0.3 mi S of Little Stony Creek Bridge, SW of Digger Pine Flat, SSW of Stonyford. Along a drainage. 548 Comment
  CHSC62927  Thysanocarpus curvipes var. curvipes Vernon H. Oswald; Lowell Ahart 1994-4-6 6064 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. On the slopes bordering Sullivan Creek. 469 Comment
  CHSC62928  Thysanocarpus laciniatus Vernon H. Oswald; Lowell Ahart 1994-4-6 6065 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. On the slopes bordering Sullivan Creek. 469 Comment
  CHSC62930  Stellaria nitens Vernon H. Oswald; Lowell Ahart 1994-4-6 6072 Colusa Goat Mtn. Rd. 0.8 mi S of Sullivan Creek Bridge, SW of Digger Pine Flat, S of Stonyford. On the edge of the road. 487 Comment
  CHSC62933  Lathyrus vestitus var. vestitus Vernon H. Oswald; Lowell Ahart 1994-4-6 6070 Colusa Goat Mtn. Rd. 0.3 mi S of Sullivan Creek Bridge, SW of Digger Pine Flat, S of Stonyford. 487 Comment
  CHSC62937  Nemophila heterophylla Vernon H. Oswald; Lowell Ahart 1994-4-6 6058 Colusa Goat Mtn. Rd. 0.1 mi NE of Digger Pine Flat, S of Stonyford. Growing in gravelly soil of a roadside bank. 463 Comment
  CHSC62938  Nemophila pedunculata Vernon H. Oswald; Lowell Ahart 1994-4-6 6076 Colusa Goat Mtn. Rd. 0.3 mi S of Little Stony Creek Bridge, SW of Digger Pine Flat, SSW of Stonyford. 548 Comment
  CHSC62939  Allophyllum gilioides subsp. violaceum Vernon H. Oswald; Lowell Ahart 1994-4-6 6060 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. On slopes bordering Sullivan Creek. 469 Comment
  CHSC62941  Claytonia exigua subsp. glauca Vernon H. Oswald; Lowell Ahart 1994-4-6 6055 Colusa Goat Mtn. Rd. 0.1 mi NE of Digger Pine Flat, S of Stonyford. Locally abundant on gravelly soil of a roadside bank. 463 Comment
  CHSC62943  Ranunculus hebecarpus Vernon H. Oswald; Lowell Ahart 1994-4-6 6057 Colusa Goat Mtn. Rd. 0.1 mi NE of Digger Pine Flat, S of Stonyford. On a roadside bank. 463 Comment
  CHSC62945  Galium aparine Vernon Oswald; Lowell Ahart 1994-4-6 6062 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. 469 Comment
  CHSC62946  Tonella tenella Vernon H. Oswald; Lowell Ahart 1994-4-6 6068 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. 469 Comment
  CHSC62948  Plectritis ciliosa subsp. ciliosa Vernon H. Oswald; Lowell Ahart 1994-4-6 6066 Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. 469 Comment
  CHSC62949  Plectritis macrocera Vernon H. Oswald; Lowell Ahart 1994-4-6 6067 A Colusa Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat. S of Stonyford. 469 Comment
  CHSC62951  Toxicoscordion paniculatum Vernon H. Oswald; Lowell Ahart 1994-4-6 6073 Colusa Goat Mtn. Rd. 1.5 mi S of Sullivan Creek Bridge, SW of Digger Pine Flat, S of Stonyford. 518 Comment
  CHSC62952  Scribneria bolanderi Vernon H. Oswald; Lowell Ahart 1994-4-6 6059 Colusa Goat Mtn. Rd. 0.8 mi SW of Digger Pine Flat, S of Stonyford. Flat bordering the road. 481 Comment
  CHSC63425  Solanum elaeagnifolium Vernon H. Oswald 1994-7-18 6411 Colusa Near the S boundary of the Sacramento National Wildlife Refuge located S of Willows, on the S side of Cell 3 of Pool 11 bordering Hunters Creek. Along a levee road. 21 Comment
  CHSC63534  Downingia ornatissima var. ornatissima Vernon H. Oswald; Joseph Silveira 1994-4-18 6110 Colusa Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, on the SW side of Tract H. 21 Comment
  CHSC64613  Euphorbia spathulata Vernon H. Oswald; Margie McNairn 1995-4-23 6680 Colusa Inner North Coast Ranges. Along a roadside ditch bordering Bear Valley Rd. s of Brim Rd. (Bartlett Springs Rd.), w of Williams. 417 Comment
  CHSC68546  Pickeringia montana var. montana Vernon Oswald; David Isle, Rhonda Isle 1997-5-3 8362 Colusa Inner North Coast Range. Goat Mtn. Rd. on Pine Ridge, southwest of Stony ford. 807 Comment
  CHSC69683  Navarretia intertexta subsp. intertexta Vernon Oswald 1984-7-23 1617 Colusa Lily Pond near Letts Lake in Mendocino National Forest. On a road along the edge of a meadow. 1280 Comment
  CHSC69690  Claytonia exigua subsp. exigua Vernon Oswald 1984-5-2 1172 Colusa Mendocino Nat. Forest, Fouts Spring Rd. (M10; 18n01) 11.9 mi w of Stonyford. Growing in gravel on a road cut. 868 Comment
  CHSC70858  Lomatium hooveri Vernon Oswald; Lowell Ahart 1998-4-21 8943 Colusa Stonyford-Logoda Rd. 3.7 mi south of Stonyford. 384 Comment
  CHSC70861  Hesperevax acaulis var. robustior Vernon Oswald; Lowell Ahart 1998-4-21 8948 Colusa Goat Mtn. Rd. 0.2 mi southwest of Stonyford-Lodoga Rd. Bordering the road. 390 Comment
  CHSC70866  Pentachaeta exilis subsp. exilis Vernon Oswald; Lowell Ahart 1998-4-21 8947 Colusa Goat Mtn. Rd. 0.2 mi southwest of Stonyford-Lodoga Rd. Roadside. 390 Comment
  CHSC70890  Nemophila menziesii var. menziesii Vernon Oswald; Lowell Ahart 1998-4-21 8949 Colusa Rd. 401 1.8 mi north of Grapevine Pass on the Sites-Lodoga Rd. 472 Comment
  CHSC70904  Salix breweri Vernon H. Oswald; Lowell Ahart 1998-4-21 8944 Colusa Stonyford-Lodoga Rd. 3.7 mi south of Stonyford. 384 Comment
  CHSC70908  Collinsia sparsiflora var. arvensis Vernon Oswald; Lowell Ahart 1998-4-21 8946 Colusa Stonyford-Lodga Rd. 4.2 mi south of Stonyford. 384 Comment
  CHSC70922  Triteleia laxa Vernon Oswald; Lowell Ahart 1998-4-21 8945 Colusa Stonyford-Lodoga Rd 3.7 mi south of Stonyford. 384 Comment
  CHSC70962  Yabea microcarpa Vernon Oswald; Lowell Ahart 1998-5-7 8993 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC70963  Balsamorhiza macrolepis var. macrolepis Vernon Oswald; Lowell Ahart 1998-5-7 9010 Colusa Bartlett Springs Rd. 2.8 mi west of Bear Valley Rd., 0.1 mi east of Sawtelle Valley and Grapevine Flat road. 633 Comment
  CHSC70964  Chaenactis glabriuscula var. heterocarpha Vernon Oswald; Lowell Ahart 1998-5-7 9011 Colusa Bartlett Springs Rd. 2.8 mi west of Bear Valley Rd., 0.1 mi east of Sawtelle Valley and Grapevine Flat roads. Roadside banks. 633 Comment
  CHSC70966  Lagophylla minor Vernon Oswald; Lowell Ahart 1998-5-7 8998 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC70967  Harmonia hallii Vernon Oswald; Lowell Ahart 1998-5-7 9012 Colusa Bartlett Springs Rd. 2.8 mi west of Bear Valley Rd., 0.1 mi east of Sawtelle Valley and Grapevine Flat roads. On roadside banks. 633 Comment
  CHSC70968  Microseris douglasii subsp. douglasii Vernon Oswald; Lowell Ahart 1998-5-7 8999 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC70969  Microseris sylvatica Vernon Oswald; Lowell Ahart 1998-5-7 8991 Colusa Lodoga-Leesville Rd. 4.3 mi south of Cooks Spring Rd. Roadcut. 469 Comment
  CHSC70976  Calystegia collina subsp. oxyphylla Vernon Oswald; Lowell Ahart 1998-5-7 9000 Colusa Barlett Springs Rod. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC70978  Euphorbia crenulata Vernon Oswald; Lowell Ahart 1998-5-7 8994 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. Roadside bank. 487 Comment
  CHSC70979  Euphorbia spathulata Vernon Oswald; Lowell Ahart 1998-5-7 9002 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC70981  Trifolium albopurpureum var. dichotomum Vernon Oswald; Lowell Ahart 1998-5-7 9001 Colusa Bartlett Springs Rd, 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC70984  Sidalcea diploscypha Vernon Oswald; Lowell Ahart 1998-5-7 9003 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC70985  Camissoniopsis hirtella Vernon Oswald; Lowell Ahart 1998-5-7 9004 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC70986  Epilobium minutum Vernon Oswald; Lowell Ahart 1998-5-7 9005 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC70988  Papaver rhoeas Vernon Oswald; Lowell Ahart 1998-5-7 8990 Colusa Sites-Lodoga Rd. just west of Grapevine Pass and County Rd. 401 to Elk Creek: Chaparral. 481 Comment
  CHSC70989  Collomia diversifolia Vernon Oswald; Lowell Ahart 1998-5-7 9006 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. At roadside. 524 Comment
  CHSC70992  Leptosiphon parviflorus Vernon Oswald; Lowell Ahart 1998-5-7 9006 .1 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC71000  Castilleja applegatei subsp. martinii Vernon Oswald; Lowell Ahart 1998-5-7 8995 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC71005  Styrax officinalis var. redivivus Vernon Oswald; Lowell Ahart 1998-5-7 8996 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC71006  Plectritis macrocera Vernon Oswald; Lowell Ahart 1998-5-7 9007 Colusa Barlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC71008  Iris macrosiphon Vernon Oswald; Lowell Ahart 1998-5-7 9008 Colusa Bartlett Springs Rd. 2.2 mi west of Bear Valley Rd., 0.7 mi east of Sawtelle Valley and Grapevine Flat roads. 524 Comment
  CHSC71009  Allium falcifolium Vernon Oswald; Lowell Ahart 1998-5-7 9009 Colusa Bartlett Springs Rd. 2.8 mi west of Bear Valley Rd., 0.1 mi east of Sawtelle Valley and Grapevine Flat roads. 633 Comment
  CHSC71010  Allium serra Vernon Oswald; Lowell Ahart 1998-5-7 8992 Colusa Lodoga-Leesville Rd. 4.3 mi south of Cooks Springs Rd. 469 Comment
  CHSC71012  Bromus laevipes Vernon Oswald; Lowell Ahart 1998-5-7 8997 Colusa On a roadside bank. 487 Comment
  CHSC71414  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1998-7-15 9266 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC71419  Lessingia ramulosa var. adenophora Vernon H. Oswald; Lowell Ahart 1998-7-15 9276 Colusa West side of county on Sawtelle Valley Rd. 0.4 mi north of Bartlett Springs Rd. 670 Comment
  CHSC71422  Streptanthus drepanoides Vernon H. Oswald; Lowell Ahart 1998-7-15 9275 Colusa Bartlett Springs Rd. 2.6 mi west of Bear Valley Rd., 0.3 mi east of Sawtelle Valley and Grapevine Flat roads. On a roadcut. 624 Comment
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Jul 24 2018
  CHSC71425  Trifolium obtusiflorum Vernon H. Oswald; Lowell Ahart 1998-7-15 9302 Colusa West side of county on Walker Ridge Rd. 8.2 mi south of Bartlett Springs Rd., 6.3 mi north of Hwy. 20. In meadow. 792 Comment
  CHSC71426  Zeltnera muehlenbergii Vernon H. Oswald; Lowell Ahart 1998-7-15 9267 A Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. In a meadow. 487 Comment
  CHSC71427  Zeltnera trichantha Vernon H. Oswald; Lowell Ahart 1998-7-15 9267 B Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. In a meadow. 487 Comment
  CHSC71433  Stachys albens Vernon H. Oswald; Lowell Ahart 1998-7-15 9268 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC71435  Hesperolinon californicum Vernon H. Oswald; Lowell Ahart 1998-7-15 9269 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC71440  Epilobium densiflorum Vernon H. Oswald; Lowell Ahart 1998-7-15 9303 Colusa West side of county on Walker Ridge Rd. 8.2 mi south of Bartlett Springs Rd., 6.3 mi north of Hwy. 20. In a meadow. 792 Comment
  CHSC71441  Orobanche californica subsp. jepsonii Vernon H. Oswald; Lowell Ahart 1998-7-15 9274 Colusa Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. Along the edge of a meadow. 524 Comment
  CHSC71448  Horkelia californica subsp. dissita Vernon H. Oswald; Lowell Ahart 1998-7-15 9270 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. In a meadow. 487 Comment
  CHSC71451  Castilleja minor subsp. spiralis Vernon H. Oswald; Lowell Ahart 1998-7-15 9271 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC71454  Verbena lasiostachys var. scabrida Vernon H. Oswald; Lowell Ahart 1998-7-15 9304 Colusa West side of county on Walker Ridge Rd. 8.2 mi south of Bartlett Springs Rd., 6.3 mi north of Hwy. 20. In a meadow. 792 Comment
  CHSC71456  Triteleia peduncularis Vernon H. Oswald; Lowell Ahart 1998-7-15 9272 Colusa Bartlett Sptings Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC71458  Agrostis exarata Vernon H. Oswald; Lowell Ahart 1998-7-15 9273 Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  CHSC71509  Juncus bufonius var. congestus Vernon H. Oswald; Lowell Ahart 1998-7-15 9305 Colusa West side of county on Walker Ridge Rd. 8.2 mi south of Bartlett Springs Rd., 6.3 mi north of Hwy. 20. In meadow. 792 Comment
  CHSC75583  Asclepias speciosa Vernon H. Oswald; Lowell Ahart 1999-6-22 9774 Colusa Fouts Springs Rd. (M10) 9.9 mi west of Stonyford-Elk Creek Rd. 624 Comment
  CHSC75599  Erysimum capitatum var. capitatum Vernon H. Oswald; Lowell Ahart 1999-6-22 9776 Colusa Lily Pond near Upper Letts Lake west of Stonyford. Adjacent to meadow at the Lily Pond. 1243 Comment
  CHSC75613  Scutellaria californica Vernon H. Oswald; Lowell Ahart 1999-6-22 9775 Colusa West of Stonyford on Fouts Springs Rd. (M10) 0.5 mi east of Dixie Glade Picnic Area. 975 Comment
  CHSC75615  Mentzelia dispersa Vernon H. Oswald; Lowell Ahart 1999-6-22 9778 Colusa Lily Pond near upper Letts Lake west of Stonyford. 1243 Comment
  CHSC75622  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1999-6-22 9771 Colusa Fouts Spring Rd. (M10) 6.1 mi west of Stonyford-Elk Creek Rd. 548 Comment
  CHSC75627  Geum macrophyllum Vernon H. Oswald; Lowell Ahart 1999-6-22 9781 Colusa Lily Pond near Upper Letts Lake west of Stonyford. Along the edge of the meadow at Lily Pond. 1243 Comment
  CHSC75646  Schoenoplectus pungens Vernon H. Oswald 1999-6-22 9772 Colusa Fouts Springs Rd. (M10) 6.7 mi west of Stonyford-Elk Creek Rd. 597 Comment
  CHSC75651  Lilium pardalinum subsp. pardalinum Vernon H. Oswald; Lowell Ahart 1999-6-22 9789 Colusa 2.2 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek. 426 Comment
  CHSC75667  Apocynum cannabinum Vernon H. Oswald; Lowell Ahart 1999-6-22 9773 Colusa Fouts Spring Rd. (M10) 9.9 mi west of Stonyford-Elk Creek Rd. 624 Comment
  CHSC75683  Packera clevelandii Vernon H. Oswald; Lowell Ahart 1999-6-22 9783 Colusa 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek. 359 Comment
  CHSC75703  Cornus sericea subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1999-6-22 9777 Colusa Lily Pond near Upper Letts Lake west of Stonyford. 1243 Comment
  CHSC75705  Datisca glomerata Vernon H. Oswald; Lowell Ahart 1999-6-22 9787 Colusa 2.2 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek. 426 Comment
  CHSC75707  Rhododendron occidentale Vernon H. Oswald; Lowell Ahart 1999-6-22 9788 Colusa 2.2 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek. 426 Comment
  CHSC75710  Lathyrus jepsonii var. californicus Vernon H. Oswald 1999-6-22 9782 Colusa West of Stonyford and 0.7 mi south of Letts Lake Road on FS 17N02. On a roadcut near a tributary of Miners Creek. 1353 Comment
  CHSC75725  Stachys albens Vernon H. Oswald; Lowell Ahart 1999-6-22 9784 Colusa 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek. 359 Comment
  CHSC75732  Fraxinus latifolia Vernon H. Oswald; Lowell Ahart 1999-6-22 9779 Colusa Lily Pond near Upper Letts Lake west of Stonyford. 1243 Comment
  CHSC75739  Actaea rubra Vernon H. Oswald; Lowell Ahart 1999-6-22 9780 Colusa Lily Pond near Upper Letts Lake west of Stonyford. Along the edge of the meadow at the Lily Pond. 1243 Comment
  CHSC75745  Rhamnus tomentella subsp. crassifolia Vernon H. Oswald; Lowell Ahart 1999-6-22 9785 Colusa 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek. Common shrub on a roadcut and on the rocky bank of Little Stony Creek. 426 Comment
  CHSC75757  Salix breweri Vernon H. Oswald; Lowell Ahart 1999-6-22 9786 Colusa 1.5 mi west of Stonyford-Lodoga Road 42 paralleling Little Stony Creek. 426 Comment
  CHSC77462  Trifolium fucatum Vernon H. Oswald 2000-3-27 9901 B Colusa Lodoga-Stonyford Rd. ca. 2 mi south of Stonyford. 381 Comment
  CHSC77467  Ranunculus canus Vernon H. Oswald 2000-3-29 9904 Colusa Bear Valley Road 4.5 mi south of Brim Road. 405 Comment
  CHSC77468  Collinsia sparsiflora var. arvensis Vernon H. Oswald 2000-3-29 9905 Colusa Hwy. 20 600 ft west of Bear Creek, 0.25 mi west of Hwy. 16. 323 Comment
  CHSC78236  Monolopia major Vernon H. Oswald 2000-4-20 9915 Colusa Bear Valley Road. 2.5 mi south of Rim Rd. (to Bartlett Springs). 402 Comment
  CHSC78346  Calochortus luteus Vernon H. Oswald 2000-5-11 9917 Colusa Brim Rd. 1.5 mi west of Bear Valley Rd. 446 Comment
  CHSC78515  Lupinus luteolus Vernon H. Oswald 2000-8-21 9950 Colusa Bear Valley near the junction of Bear Valley and Brim roads. 411 Comment
  CHSC78973  Atriplex triangularis Vernon H. Oswald; Joseph G. Silveira 2000-10-12 9977 Colusa Delevan National Wildlife Refuge. 18 Comment
  CHSC78975  Salicornia subterminalis Vernon H. Oswald; Joseph G. Silveira 2000-10-12 9979 Colusa Colusa National Wildlife Refuge. On the west side of Powell Slough 0.25 mi south-southwest of Refuge Headquarters. 15 Comment
  CHSC78976  Salicornia virginica Vernon H. Oswald; Joseph G. Silveira 2000-9-29 9972 Colusa Delevan National Wildlife Refuge. 15 Comment
  CHSC78977  Salicornia virginica Vernon H. Oswald; Joseph G. Silveira 2000-10-12 9976 Colusa Sacremento National Wildlife Refuge. 18 Comment
  CHSC78978  Salsola soda Vernon H. Oswald; Joseph G. Silveira 2000-10-12 9978 Colusa Delevan National Wildlife Refuge. Adjecent to the main refuge road 0.2 mi north of Maxwell-Colusa Rd. 18 Comment
  CHSC78980  Lythrum californicum Vernon H. Oswald 2000-9-29 9973 Colusa Colusa National Wildlife Refuge. 13 Comment
  JEPS87655  Ranunculus hebecarpus Vernon H. Oswald and Lowell Ahart 1994-4-6 6057 Colusa Goat Mtn. Rd. 0.1 mi ne Digger Pine Flat (s of Stonyford) 463 Comment
  JEPS87656  Ranunculus hebecarpus Vernon H. Oswald and Lowell Ahart 1994-4-6 6057 Colusa Goat Mtn. Rd. 0.1 mi ne Digger Pine Flat (s of Stonyford) 463 Comment
  JEPS87659  Thysanocarpus laciniatus Vernon H. Oswald and Lowell Ahart 1994-4-6 6065 Colusa s. Stonyford (Goat Mtn. Rd at Sullivan Creek, 1.2 mi sw of Digger Pine Flat); Sullivan Creek, sw of Digger Pine Flat 469 Comment
  JEPS87660  Thysanocarpus laciniatus Vernon H. Oswald and Lowell Ahart 1994-4-6 6065 Colusa s. Stonyford (Goat Mtn. Rd at Sullivan Creek, 1.2 mi sw of Digger Pine Flat); Sullivan Creek, sw of Digger Pine Flat 469 Comment
  JEPS87661  Claytonia parviflora subsp. parviflora Vernon H. Oswald and Lowell Ahart 1994-4-6 6055 Colusa Goat Mtn Rd 0.1 mi ne Digger Pine Flat (s of Stonyford) 463 Comment
  JEPS87662  Claytonia parviflora subsp. parviflora Vernon H. Oswald and Lowell Ahart 1994-4-6 6055 Colusa Goat Mtn Rd 0.1 mi ne Digger Pine Flat (s of Stonyford) 463 Comment
  JEPS87663  Plectritis ciliosa subsp. ciliosa Vernon H. Oswald and Lowell Ahart 1994-4-6 6066 Colusa 1.2 mi sw of Digger Pine Flat (s of Stonyford, Goat Mountain Road at Sullivan Creek); Sullivan Creek, Goat Mountain Road 469 Comment
  JEPS87664  Plectritis ciliosa subsp. ciliosa Vernon H. Oswald and Lowell Ahart 1994-4-6 6066 Colusa 1.2 mi sw of Digger Pine Flat (s of Stonyford, Goat Mountain Road at Sullivan Creek); Sullivan Creek, Goat Mountain Road 469 Comment
  JEPS87665  Micropus californicus var. californicus Vernon H. Oswald and Lowell Ahart 1994-4-6 6067 B Colusa s. Stonyford (Goat Mt. Rd. at Sullivan Creek, 1.2 mi. s.w. of Digger Pine Flat); Sullivan Creek 469 Comment
  JEPS87666  Micropus californicus var. californicus Vernon H. Oswald and Lowell Ahart 1994-4-6 6067 B Colusa s. Stonyford (Goat Mt. Rd. at Sullivan Creek, 1.2 mi. s.w. of Digger Pine Flat); Sullivan Creek 469 Comment
  JEPS87667  Pectocarya pusilla Vernon H. Oswald and Lowell Ahart 1994-4-6 6071 Colusa s. Stonyford (Goat Mtn. Road 0.8 mi s. of Sullivan Creek Bridge, sw of Digger Pine Flat) 487 Comment
  JEPS87668  Pectocarya pusilla Vernon H. Oswald and Lowell Ahart 1994-4-6 6071 Colusa s. Stonyford (Goat Mtn. Road 0.8 mi s. of Sullivan Creek Bridge, sw of Digger Pine Flat) 487 Comment
  JEPS87669  Yabea microcarpa Vernon H. Oswald and Lowell Ahart 1994-4-6 6063 Colusa s. Stonyford (Goat Mt. Rd. at Sullivan Creek, 1.2 mi. s.w. of Digger Pine Flat); Sullivan Creek 469 Comment
  JEPS87670  Yabea microcarpa Vernon H. Oswald and Lowell Ahart 1994-4-6 6063 Colusa 1.2 mi sw Digger Pine Flat (Goat Mtn Rd at Sullivan Creek, s of Stonyford); Sullivan Creek 469 Comment
  JEPS87672  Cheilanthes covillei Vernon H. Oswald and Lowell Ahart 1994-4-6 6061 Colusa 1.2 mi sw of Digger Pine Flat (s of Stonyford, Goat Mt Rd at Sullivan Creek) 469 Comment
  JEPS87723  Apiastrum angustifolium Vernon H. Oswald and Lowell Ahart 1994-3-23 6017 Colusa just w of bridge over Sullivan Creek (s of Stonyford, Goat Mountain Road); Goat Mountain Road 505 Comment
  JEPS87724  Apiastrum angustifolium Vernon H. Oswald and Lowell Ahart 1994-3-23 6017 Colusa just w of bridge over Sullivan Creek (s of Stonyford, Goat Mountain Road); Goat Mountain Road 505 Comment
  JEPS87754  Arctostaphylos viscida subsp. pulchella Vernon H. Oswald and Lowell Ahart 1994-3-23 6011 Colusa s side Little Stony Creek (in section on e side of Frenzel Creek, s of Stonyford); Frenzel Creek Research Natural Area 518 Comment
  JEPS87758  Arctostaphylos viscida subsp. pulchella Vernon H. Oswald and Lowell Ahart 1994-3-23 6011 Colusa s side Little Stony Creek (in section on e side of Frenzel Creek, s of Stonyford); Frenzel Creek Research Natural Area 518 Comment
  JEPS87759  Nicotiana glauca Vernon H. Oswald and Lowell Ahart 1994-3-23 6024 Colusa 1.8 mi w Stonyford-Lodoga Rd. (Goat Mtn Rd, s of Stonyford, between the road and Little Stony Creek) 487 Comment
  JEPS87760  Nicotiana glauca Vernon H. Oswald and Lowell Ahart 1994-3-23 6024 Colusa 1.8 mi w Stonyford-Lodoga Rd. (Goat Mtn Rd, s of Stonyford, between the road and Little Stony Creek) 487 Comment
  JEPS87762  Pedicularis densiflora Vernon H. Oswald and Lowell Ahart 1994-3-23 6012 Colusa s of Stonyford (Frenzel Creek Research Natural Area, on s side of Little Stony Creek, along e side of Frenzel Creek); Frenzel Creek Research Natural Area, Little Stony Creek 518 Comment
  JEPS87787  Cupressus sargentii Vernon H. Oswald and Lowell Ahart 1994-3-23 6010 Colusa s side Little Stony Creek (in section on e side of Frenzel Creek, s of Stonyford); Frenzel Creek Research Natural Area 518 Comment
  JEPS87788  Cupressus sargentii Vernon H. Oswald and Lowell Ahart 1994-3-23 6010 Colusa s side Little Stony Creek (in section on e side of Frenzel Creek, s of Stonyford); Frenzel Creek Research Natural Area 518 Comment
  JEPS88897  Lathyrus vestitus var. vestitus Vernon H. Oswald and Lowell Ahart 1994-4-6 6070 Colusa 0.3 mi s of Sullivan Creek Bridge (Goat Mountain Rd, sw of Digger Pine Flat, s of Stonyford); Goat Mountain Rd 487 Comment
  JEPS93801  Triteleia peduncularis Vernon H. Oswald and Lowell Ahart 1998-7-15 9272 Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS93802  Horkelia californica var. elata Vernon H. Oswald and Lowell Ahart 1998-7-15 9270 Colusa Bartlett Springs Road 1.6 mi west of Bear Valley Road 487 Comment
  JEPS93803  Centaurium trichanthum Vernon H. Oswald and Lowell Ahart 1998-7-15 9267 A Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS93866  Streptanthus drepanoides Vernon H. Oswald and Lowell Ahart 1998-7-15 9275 Colusa Bartlett Springs Road 2.6 mi w of Bear Valley Road (0.3 mi e of Sawtelle Valley and Grapevine Flat Roads) 624 Comment
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Jul 24 2018
  JEPS93867  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-7-15 9266 Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS93868  Castilleja minor subsp. spiralis Vernon H. Oswald and Lowell Ahart 1998-7-15 9271 Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS93871  Juncus bufonius var. congestus Vernon H. Oswald and Lowell Ahart 1998-7-15 9305 Colusa w side of county on Walker Ridge Road 8.2 mi s of Bartlett Springs Road (6.3 mi n of Highway 20); Walker Ridge Road 792 Comment
  JEPS94159  Salix breweri Vernon Oswald and Lowell Ahart 1998-4-21 8944 Colusa Stonyford-Lodoga Rd. 3.7 mi. s. Stonyford 384 Comment
  JEPS94162  Pentachaeta exilis Vernon Oswald and Lowell Ahart 1998-4-21 8947 Colusa bordering Goat Mt. Rd. 0.2 mi. s.w. of Stonyford-Lodoga Rd. 390 Comment
  JEPS94165  Collinsia sparsiflora var. arvensis Vernon Oswald and Lowell Ahart 1998-4-21 8946 Colusa Stonyford-Lodoga Rd. 4.2 mi. s. Stonyford 384 Comment
  JEPS94183  Nemophila menziesii var. menziesii Vernon Oswald and Lowell Ahart 1998-4-21 8949 Colusa Rd. 401 1.8 mi. n. Grapevine Pass (on the Sites-Lodoga Rd.) 472 Comment
  JEPS94194  Linanthus parviflorus Vernon Oswald and Lowell Ahart 1998-5-7 9006 .1 Colusa Bartlett Springs Rd. 2.1 mi. w. of Bear Valley Rd. and 0.8 m,i. e. of Sawtelle Valley & Grapevine Flat rds. 524 Comment
  JEPS94195  Plectritis macrocera Vernon Oswald and Lowell Ahart 1998-5-7 9007 Colusa Bartlett Springs Rd. 2.1 mi. w. of Bear Valley Rd., 0.8 mi. e. of Sawtelle Valley & Grapevine Flat rds. 524 Comment
  JEPS94196  Sidalcea diploscypha Vernon Oswald and Lowell Ahart 1998-5-7 9003 Colusa Bartlett Springs Rd. 2.1 mi. w. of Bear Valley Rd., 0.8 mi. e. of Sawtelle Valley and Grapevine Flat Rds. 524 Comment
  JEPS94198  Castilleja applegatei subsp. martinii Vernon Oswald and Lowell Ahart 1998-5-7 8995 Colusa Bartlett Springs Rd. 1.6 mi. w. of Bear Valley Rd. 487 Comment
  JEPS94201  Collomia diversifolia Vernon Oswald and Lowell Ahart 1998-5-7 9006 Colusa Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94202  Calystegia collina subsp. oxyphylla Vernon Oswald and Lowell Ahart 1998-5-7 9000 Colusa Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94203  Allium serra Vernon Oswald and Lowell Ahart 1998-5-7 8992 Colusa Lodoga-Leesville Road 4.3 mi s of Cooks Springs Road; Lodoga-Leesville Road 469 Comment
  JEPS94204  Yabea microcarpa Vernon Oswald and Lowell Ahart 1998-5-7 8993 Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS94209  Microseris sylvatica Vernon Oswald and Lowell Ahart 1998-5-7 8991 Colusa Lodoga-Leesville Road 4.3 mi s of Cooks Springs Road; Lodoga-Leesville Road 469 Comment
  JEPS94210  Bromus laevipes Vernon Oswald and Lowell Ahart 1998-5-7 8997 Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS94211  Iris macrosiphon Vernon Oswald and Lowell Ahart 1998-5-7 9008 Colusa Bartlett Springs Road 2.2 mi w of Bear Valley Road (0.7 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94212  Allium falcifolium Vernon Oswald and Lowell Ahart 1998-5-7 9009 Colusa Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 633 Comment
  JEPS94218  Chaenactis glabriuscula var. heterocarpha Vernon Oswald and Lowell Ahart 1998-5-7 9011 Colusa Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Valley and Grapevine Flat Roads) 633 Comment
  JEPS94219  Microseris douglasii subsp. douglasii Vernon Oswald and Lowell Ahart 1998-5-7 8999 Colusa Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94220  Camissoniopsis hirtella Vernon Oswald and Lowell Ahart 1998-5-7 9004 Colusa Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94654  Lessingia ramulosa Vernon H. Oswald and Lowell Ahart 1998-7-15 9276 Colusa on Sawtelle Valley Rd. 0.4 mi n Bartlett Springs Rd. (w side of county) 670 Comment
  JEPS94662  Euphorbia spathulata Vernon Oswald and Lowell Ahart 1998-5-7 Colusa Bartlett Springs Rd. 2.1 mi w Bear Valley Rd. (0.8 mi e of Sawtelle Valley and Grapevine Flat roads) 524 Comment
  JEPS94680  Stachys albens Vernon H. Oswald and Lowell Ahart 1998-7-15 9268 Colusa Bartlett Springs Rd. 1.6 mi w Bear Valley Rd. 487 Comment
  JEPS94683  Trifolium obtusiflorum Vernon H. Oswald and Lowell Ahart 1998-7-15 9302 Colusa Walker Ridge Rd. 8.2 mi s Bartlett Springs Rd. (6.3 mi n of Hwy 20, w side of county) 792 Comment
  JEPS94706  Harmonia hallii Vernon Oswald and Lowell Ahart 1998-5-7 9012 Colusa Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Vallyy and Grapevine Flat Roads); Bartlett Springs Road 633 Comment
  JEPS94735  Hesperolinon californicum Vernon H. Oswald and Lowell Ahart 1998-7-15 9269 Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS94736  Agrostis exarata Vernon H. Oswald and Lowell Ahart 1998-7-15 9273 Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS94737  Trifolium obtusiflorum Vernon H. Oswald and Lowell Ahart 1998-7-15 9302 Colusa 6.3 mi n of Highway 20 (w side of county on Walker Ridge Road 8.2 mi s of Bartlett Springs Road); Walker Ridge Road 792 Comment
  JEPS94742  Stachys albens Vernon H. Oswald and Lowell Ahart 1998-7-15 9268 Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road 487 Comment
  JEPS94756  Epilobium densiflorum Vernon H. Oswald and Lowell Ahart 1998-7-15 9303 Colusa 6.3 mi n of Highway 20 (w side of Walker Ridge Road 8.2 mi s of Bartlett Springs Road); Walker Ridge Road 792 Comment
  JEPS94758  Centaurium trichanthum Vernon H. Oswald and Lowell Ahart 1998-7-15 9267 B Colusa Bartlett Springs Road 1.6 mi w of Bear Valley Road 487 Comment
  JEPS94768  Harmonia hallii Vernon Oswald and Lowell Ahart 1998-5-7 9012 Colusa Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 633 Comment
  JEPS94775  Epilobium minutum Vernon Oswald and Lowell Ahart 1998-5-7 9005 Colusa Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94797  Trifolium albopurpureum var. dichotomum Vernon Oswald and Lowell Ahart 1998-5-7 9001 Colusa Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94798  Euphorbia spathulata Vernon Oswald and Lowell Ahart 1998-5-7 9002 Colusa Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94813  Lagophylla minor Vernon Oswald and Lowell Ahart 1998-5-7 8998 Colusa Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road 524 Comment
  JEPS94888  Lessingia ramulosa Vernon H. Oswald and Lowell Ahart 1998-7-15 9276 Colusa w side of county on Sawtelle Valley Road 0.4 mi n of Bartlett Springs Road; Sawtelle Valley Road 670 Comment
  JEPS95275  Aspidotis densa Vernon H. Oswald and Lowell Ahart 1994-3-23 6014 Colusa S of Stonyford (Frenzel Creek Research Natural Area, S side of Litte Stony Creek, in the section on the E side of creek) 518 Comment
  JEPS95421  Lupinus albifrons var. collinus Vernon H. Oswald and L. Ahart 1994-3-23 6022 Colusa T17N R6W NW1/4 NW1/4 Sec. 31, 1610 ft, Chaparral. Little Stony Creek just W of Digger Pine Campground on Goat Mtn. Rd., S of Stonyford 490 Comment
  JEPS95451  Thysanocarpus curvipes var. curvipes Vernon H. Oswald and L. Ahart 1994-4-6 6064 Colusa T17N R7W SE1/4 SW1/4 Sec. 36, 1540 ft, Chaparral. Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. Occasional groups of plants in gravelly soil (serpentine) on the slopes bordering Sullivan Creek. 469 Comment
  JEPS95487  Galium aparine Vernon H. Oswald and L. Ahart 1994-4-6 6062 Colusa T17N R7W SE1/4 SW1/4 Sec. 36, 1540 ft, Chaparral. Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford 469 Comment
  JEPS95488  Plectritis macrocera Vernon H. Oswald and L. Ahart 1994-4-6 6067 A Colusa T17N R7W SE1/4 SW1/4 Sec. 36, 1540 ft, Chaparral. Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford 469 Comment
  JEPS95489  Nemophila heterophylla Vernon H. Oswald and L. Ahart 1994-4-6 6058 Colusa T17N R6W NW1/4 Sec. 31, 1520 ft, Chaparral. Goat Mtn. Rd. 0.1 mi NE of Digger Pine Flat, S of Stonyford 463 Comment
  JEPS95500  Fritillaria affinis Vernon H. Oswald and L. Ahart 1994-3-23 6013 Colusa T17N R6W NW1/4 Sec. 32, 1700 ft, Chaparral. Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford 518 Comment
  JEPS95503  Claytonia exigua subsp. exigua Vernon H. Oswald 1994-3-23 6015 Colusa T17N R6W NW1/4 Sec. 32, 1700 ft, Chaparral. Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. Occasional populations in serpentine soil of brushy and rocky slopes. 518 Comment
  JEPS95504  Phacelia distans Vernon H. Oswald and L. Ahart 1994-3-23 6021 Colusa T16N R7W NE1/4 NW1/4 Sec. 1, 1660 ft, Chaparral. Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford 505 Comment
  JEPS95505  Ericameria linearifolia Vernon H. Oswald and L. Ahart 1994-3-23 6019 Colusa just W of the bridge over Sullivan Creek, S of Stonyford; Goat Mtn. Rd; T16N R7W NE1/4 NW1/4 Sec. 1, 1660 ft, Chaparral. Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford 505 Comment
  JEPS95511  Hornungia procumbens Vernon H. Oswald and L. Ahart 1994-4-6 6075 Colusa T16N R7W SW1/4 Sec. 11, 1800 ft, Chaparral. Goat Mtn. Rd. 0.3 mi S of Little Stony Creek Bridge, SW of Digger Pine Flat, SSW of Stonyford 548 Comment
  JEPS95512  Lepidium dictyotum var. dictyotum Vernon H. Oswald and L. Ahart 1994-4-6 6074 Colusa T16N R7W SW1/4 Sec. 11, 1800 ft, Chaparral. Goat Mtn. Rd. 0.3 mi S of Little Stony Creek Bridge, SW of Digger Pine Flat, SSW of Stonyford 548 Comment
  JEPS95518  Scribneria bolanderi Vernon H. Oswald and L. Ahart 1994-4-6 6059 Colusa T17N R7W SE1/4 Sec. 36, 1580 ft, Chaparral. Goat Mtn. Rd. 0.8 mi SW of Digger Pine Flat, S of Stonyford 481 Comment
  JEPS95519  Tonella tenella Vernon H. Oswald and L. Ahart 1994-4-6 6068 Colusa T17N R7W SE1/4 SW1/4 Sec. 36, 1540 ft, Chaparral. Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford 469 Comment
  JEPS95520  Plagiobothrys tenellus Vernon H. Oswald and L. Ahart 1994-4-6 6069 Colusa T17N R7W SE1/4 SW1/4 Sec. 36, 1540 ft, Chaparral. Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. Occasional populations in openings in brush on the rocky slopes (serpentine) bordering Sullivan Creek. 469 Comment
  JEPS95531  Cupressus sargentii Vernon H. Oswald and L. Ahart 1994-3-23 6010 Colusa T17N R6W NW1/4 Sec. 32, 1700 ft, Chaparral. Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford 518 Comment
  JEPS95541  Salix lasiolepis Vernon H. Oswald and Lowell Ahart 1994-3-23 6016 Colusa s side Little Stony Creek (in section on e side of Frenzel Creek, s of Stonyford); Frenzel Creek Research Natural Area 518 Comment
  JEPS95611  Zigadenus paniculatus Vernon H. Oswald and L. Ahart 1994-4-6 6073 Colusa T16N R7W NW1/4 Sec. 12, 1700 ft, Chaparral. Goat Mtn. Rd. 1.5 mi S of Sullivan Creek Bridge, SW of Digger Pine Flat, S of Stonyford 518 Comment
  JEPS95624  Layia septentrionalis Vernon H. Oswald and L. Ahart 1994-3-23 6020 Colusa T16N R7W NE1/4 NW1/4 Sec. 1, 1660 ft, Chaparral. Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford 505 Comment
  JEPS95645  Apocynum cannabinum Vernon H. Oswald and L. Ahart 1999-6-18 9773 Colusa Fouts Springs Rd. (M10) 9.9 mi west of Stonyford-Elk Creek Rd.: T17N R7W Sect. 7, 2050 ft, chaparral, serpentine substrate 624 Comment
  JEPS95646  Mentzelia dispersa Vernon H. Oswald and L. Ahart 1999-6-22 9778 Colusa Lily Pond near Upper Letts Lake west of Stonyford: T17N R8W Sect. 24, ca. 4080 ft, mixed coniferous forest 1243 Comment
  JEPS95647  Lathyrus jepsonii var. californicus Vernon H. Oswald and L. Ahart 1999-6-22 9782 Colusa West of Stonyford and 0.7 mi south of Letts Lake Road on FS 17N02: T17N R8W Sect. 25, 4440 ft, mixed coniferous forest 1353 Comment
  JEPS95648  Salix breweri Vernon H. Oswald and L. Ahart 1999-6-22 9786 Colusa 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 29, ca. 1400 ft, 1180 ft, chaparral, serpentine substrate. Abundant shrubby willow on the rocky bank of Little Stony Creek. 426 Comment
  JEPS95649  Rhamnus tomentella subsp. crassifolia Vernon H. Oswald and L. Ahart 1999-6-22 9785 Colusa 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 29, ca. 1400 ft, 1180 ft, chaparral, serpentine substrate 426 Comment
  JEPS95650  Datisca glomerata Vernon H. Oswald and L. Ahart 1999-6-22 9787 Colusa 2.2 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 30, ca. 1400 ft, chaparral, serpentine substrate. Herbaceous perennial ca. 1 m tall on the rocky bank of Little Stony Creek. 426 Comment
  JEPS95651  Asclepias speciosa Vernon H. Oswald and L. Ahart 1999-6-18 9774 Colusa Fouts Springs Rd. (M10) 9.9 mi west of Stonyford-Elk Creek Rd.: T17N R7W Sect. 7, 2050 ft, chaparral, serpentine substrate. From a colony growing along the edge of a roadside seep. 624 Comment
  JEPS95791  Stachys albens Vernon H. Oswald and L. Ahart 1999-6-22 9784 Colusa 1.5 mi west of Stonyford-Lodoga Road on County Road 42 Stonyford-Lodoga Road; Little Stony Creek; 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 29, ca. 1400 ft, 1180 ft, chaparral, serpentine substrate 426 Comment
  JEPS95817  Scutellaria californica Vernon H. Oswald and L. Ahart 1999-6-22 9775 Colusa West of Stonyford on Fouts Springs Rd. (M10) 0.5 mi east of Dixie Glade Picnic Area: T17N R8W Sect. 12, ca. 3200 ft, mixed coniferous forest, serpentine substrate 975 Comment
  JEPS95818  Fraxinus latifolia Vernon H. Oswald and L. Ahart 1999-6-22 9779 Colusa Lily Pond near Upper Letts Lake west of Stonyford: T17N R8W Sect. 24, ca. 4080 ft, mixed coniferous forest. Twig of a small tree growing in wet soil along the edge of the meadow at the Lily Pond. 1243 Comment
  JEPS95819  Cornus sericea subsp. occidentalis Vernon H. Oswald and L. Ahart 1999-6-22 9777 Colusa Lily Pond near Upper Letts Lake west of Stonyford: T17N R8W Sect. 24, ca. 4080 ft, mixed coniferous forest. Twigs of a shrub ca. 3 m tall growing in wet soil along the edge of the meadow at the Lily Pond. 1243 Comment
  JEPS95820  Stachys albens Vernon H. Oswald and L. Ahart 1999-6-22 9784 Colusa 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 29, ca. 1400 ft, 1180 ft, chaparral, serpentine substrate 426 Comment
  JEPS95824  Schoenoplectus pungens var. longispicatus Vernon H. Oswald and L. Ahart 1999-6-22 9772 Colusa Fouts Springs Rd. (M10) 6.7 mi west of Stonyford-Elk Creek Rd.: T18N R7W Sect. 33, 1960 ft, chaparral, serpentine substrate 597 Comment
  JEPS95997  Geum macrophyllum Vernon H. Oswald and Lowell Ahart 1999-6-22 9781 Colusa W of Stonyford ( Lily Pond near Upper Letts Lake) Comment
  JEPS95998  Packera clevelandii Vernon H. Oswald and L. Ahart 1999-6-22 9783 Colusa 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 29, ca. 1400 ft, 1180 ft, chaparral, serpentine substrate 426 Comment
  JEPS95999  Rhododendron occidentale Vernon H. Oswald and L. Ahart 1999-6-22 9788 Colusa 2.2 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 30, ca. 1400 ft, chaparral, serpentine substrate. Shrub on the rocky bank of Little Stony Creek. 426 Comment
  JEPS96000  Lilium pardalinum subsp. pardalinum Vernon H. Oswald and L. Ahart 1999-6-22 9789 Colusa 2.2 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 30, ca. 1400 ft, chaparral, serpentine substrate 426 Comment
  JEPS97385  Claytonia parviflora subsp. parviflora Vernon H. Oswald and L. Ahart 1994-4-6 6055 Colusa T17N R6W NW1/4 Sec. 31, 1520 ft, Chaparral. Goat Mtn. Rd. 0.1 mi NE of Digger Pine Flat, S of Stonyford 463 Comment
  JEPS98267  Salsola soda Vernon H. Oswald and Joseph G. Silveira 2000-10-12 9978 Colusa Delevan National Wildlife Refuge; adjacent to the main refuge road 0.2 mi N of Maxwell-Colusa Road 18 Comment
  JEPS98320  Salicornia virginica Vernon H. Oswald and Joseph G. Silveira 2000-9-29 9972 Colusa Delevan National Wildlife Refuge 15 Comment
  JEPS98324  Lythrum californicum Vernon H. Oswald 2000-9-29 9973 Colusa Colusa National Wildlife Refuge, between the hiking trail and Powell Slough 13 Comment
  JEPS98385  Lupinus luteolus Vernon H. Oswald 2000-8-21 9950 Colusa Bear Valley near the junction of Bear Valley and Brim roads 411 Comment
  JEPS98411  Trifolium fucatum Vernon H. Oswald 2000-3-27 9901 B Colusa ca. 2 mi S of Stonyford (Lodoga-Stonyford Road) 381 Comment
  SEINET516297  Trifolium obtusiflorum Vernon H. Oswald 1998-7-15 9302 Colusa W side of county on Walker Ridge Rd. 8.2 mi S of Bartlett Springs Rd., 6.3 mi N of Hwy 20. 792 Comment
  UC1532346  Berula incisa Vernon Oswald 1986-6-30 2171 Colusa Fouts Spring Road (M10) at Candy Bucket Spring, 6.0 miles W of Road 306, 0.4 mi E of junction John Smith Road (M5). Comment
  UC1532347  Cicuta Vernon Oswald 1986-6-30 2176 Colusa North end of Lily Pond near Letts Lake. 1188 Comment
  UC1532348  Perideridia howellii Vernon Oswald 1986-6-30 2180 Colusa Mill Valley Campground near the Lily Pond and Letts Lake. 1188 Comment
  UC1609126  Atriplex coronata Vernon H. Oswald, Mike Wolder and Joe Silveira 1993-7-26 5701 Colusa ca 5 mi s Colusa (ca 1 mi n of Ware Rd., ca 1 mi w of Ohm Rd., Tract 18 on the s side of the Colusa National Wildlife Refuge); s side Colusa National Wildlife Refuge, s of Colusa 15 Comment
  UC1609127  Arthrocnemum subterminale Vernon H. Oswald, Mike Wolder and Joe Silveira 1993-7-26 5704 Colusa National Wildlife Refuge. Tract 7, just SW of the headquarters complex on O'Hair Rd, ca 2 mi SW of Colusa. 12 Comment
  UC1609171  Emmenanthe penduliflora Vernon H. Oswald and Lowell Ahart 1993-5-27 5431 Colusa Sites-Lodoga Rd. ca. 0.4 mi W of Grapevine Pass (4.6 rd mi e of Lodoga) 481 Comment
  UC1609312  Downingia insignis Vernon H. Oswald and Lowell Ahart 1993-5-27 5428 Colusa ca 0.5 mi nw Sites (Sites-Lodoga Rd, Sacramento Valley); Sacramento Valley 121 Comment
  UC1609379  Phacelia imbricata Vernon H. Oswald and Lowell Ahart 1993-5-27 5430 Colusa Sites-Lodoga Rd ca 0.4 mi w Grapevine Pass (4.6 road mi e of Lodoga) 481 Comment
  UC1609445  Lythrum tribracteatum Vernon H. Oswald and Lowell Ahart 1993-5-27 5429 Colusa 0.5 mi nw of Sites (bordering the w side of Sacramento Valley, Sites-Lodoga Road); Sacramento Valley, Sites-Lodoga Road 121 Comment
  UCSB63779  Agrostis exarata Oswald, Vernon; Ahart, Lowell 1998-7-15 Colusa Bartlett Springs Rd; 1.6 mi W of Bear Valley Rd; T15N R5W Sect 7 487 Comment
  CDA35306  Euphorbia spathulata Vernon H. Oswald & Lowell Ahart 1998-5-7 9002 Colusa Bartlett Springs Road, 2.1 miles west of Bear Valley Road, 0.8 mile east of Sawtelle Valley and Grapevine Flat Roads. Comment
  CDA38025  Camissoniopsis hirtella Vernon H. Oswald & Lowell Ahart 1998-5-7 9004 Colusa Bartlett Springs Road, 2.1 miles west of Bear Valley Road, 0.8 mile east of Sawtelle Valley and Grapevine Flat Roads. Comment
  CDA38111  Epilobium minutum Vernon H. Oswald & Lowell Ahart 1998-5-7 9005 Colusa Bartlett Springs Road, 2.1 miles west of Bear Valley Road, 0.8 mile east of Sawtelle Valley and Grapevine Flat Roads. Comment
  CDA38554  Yabea microcarpa Vernon H. Oswald & Lowell Ahart 1998-5-7 8993 Colusa Bartlett Springs Road 1.6 miles west of Bear Valley Road. Comment
  CDA39419  Allium serra Vernon H. Oswald & Lowell Ahart 1998-5-7 8992 Colusa Lodoga-Leesville Road 4.3 miles south of Cooks Springs Rd. Comment
  CDA40008  Collomia diversifolia Vernon H. Oswald & Lowell Ahart 1998-5-7 9006 Colusa Bartlett Springs Road 2.1 miles west of Bear Valley Road, 0.8 mile east of Sawtelle Valley and Grapevine Flat roads. Comment
  CDA40096  Linanthus parviflorus Vernon H. Oswald & Lowell Ahart 1998-5-7 9006 .1 Colusa Bartlett Springs Road 2.1 miles west of Bear Valley Road, 0.8 mile east of Sawtelle Valley and Grapevine Flat roads. Comment
  CDA8085  Lagophylla minor Vernon H. Oswald & Lowell Ahart 1998-5-7 8998 Colusa Bartlett Springs Road 2.1 miles west of Bear Valley Road, 0.8 mile east of Sawtelle Valley and Grapevine Flat roads. Comment
  CDA8387  Microseris douglasii subsp. douglasii Vernon H. Oswald & Lowell Ahart 1998-5-7 8999 Colusa Bartlett Springs Road, 2.1 miles west of Bear Valley Road, 0.8 mile east of Sawtelle Valley and Grapevine Flat Roads. Comment
  RSA500440  Cordylanthus pringlei Vernon H. Oswald 1989-4-12 4008 Colusa Goat Mtn Rd. 2.1 mi wsw of Lodoga-Stonyford Rd, ca. 6 mi (air) s of Stonyford. On the n side of Little Stony Creek. 412 Comment
  UCD121476  Zeltnera trichantha Vernon H. Oswald; Lowell Ahart 1998-7-15 9267 B Colusa Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. 487 Comment
  UCD125973  Verbena lasiostachys var. scabrida Vernon H. Oswald; Lowell Ahart 1998-7-15 9304 Colusa Walker Ridge Rd. 8.2 mi south of Barlett Springs Rd., 6.3 mi north of Hwy. 20. 792 Comment
  UCD134101  Lessingia ramulosa Vernon H. Oswald; Lowell Ahart 1998-7-15 9276 Colusa west side of county on Sawtelle Valley Road 0.4 mile north of Bartlett Springs Road. 670 Comment
  UCSB63777  Juncus bufonius var. bufonius Oswald, Vernon; Ahart, Lowell 1998-7-15 Colusa West side of county on Walker Ridge Rd; 8.2 mi south of Bartlett Springs Rd; 6.3 mi north of Hwy. 20; T14N R6W Sect. 12 Comment



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