Corydalis flavula Steve Hurst - USDA-NRCS PLANTS Database - Not copyrighted image - Views: 217
| Corydalis flavula USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. - Not copyrighted image - Views: 214
| Corydalis flavula USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 144. - Views: 217
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Corydalis micrantha ssp. australis USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 145. - Views: 121
| Corydalis sempervirens Jose Hernandez - USDA-NRCS PLANTS Database - Not copyrighted image - Views: 157
| Corydalis sempervirens USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 144. - Views: 161
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