| 0 | PI 689681 | Iowa 2018001 | Setaria viridis (L.) P. Beauv. var. viridis | Iowa, United States | NC7 |  | | 2018 | COLLECTED | 09/14/2018 | Story Co. - Ames, Iowa. Roadsides by a corn field along Isaac Newton Dr., and the east side of S. Dayton Ave. from Isaac newton Dr. north to S. Dayton Pl. | 42.01244500, -93.58431900 | 788 | Road edge by a corn field | Wild material | Conforms to the robusta-purpurea description in the Schreiber and Oliver 1971 publication. A common roadside weed. The plants are large 0.5 to 1.5 m tall, in the same size range as Setaria faberi, but unlike S. faberi, lacking pilose hairs on the upper blade surfaces, and with smaller spikelets, and red-purple bristles. | 1967551 | PI 689681 |
| 1 | PI 689682 | Iowa 2018002 | Setaria viridis (L.) P. Beauv. var. viridis | Iowa, United States | NC7 |  | | 2018 | COLLECTED | 09/14/2018 | Story Co. - Ames, Iowa. Roadsides by a corn field along Isaac Newton Dr., and the east side of S. Dayton Ave. from Isaac newton Dr. north to S. Dayton Pl. | 42.01244500, -93.58431900 | 788 | Road edge by a corn field | Wild material | Conforms to the robusta-alba description in the Schreiber and Oliver 1971 publication. A common roadside weed. The plants are large 0.5 to 1.5 m tall, in the same size range as Setaria faberi, but unlike S. faberi, lacking pilose hairs on the upper blade surfaces, and with smaller spikelets. The bristles are green. | 1967552 | PI 689682 |
| 2 | Ames 35056 | DB 2019002 | Setaria viridis (L.) P. Beauv. var. major Gray | Iowa, United States | NC7 |  | | 2019 | COLLECTED | 09/13/2019 | Ames, Iowa, in Story County, 530th avenue from Collaboration Place to 280th Street, and nearby 520th avenue from 260th street to 270th street. | 41.98221100, -93.63937000 | 300 | Road edge by crop fields, especially at the driveways between the roads and fields. | Wild material | Conforms to the Setaria viridis var. major description in the Schreiber and Oliver 1971 publication. A common roadside weed. The plants are large, 1 m tall, heads to 15 cm long, fully developed blades are 15 mm wide, it is in the same size range as Setaria faberi, but unlike S. faberi, lacking pilose hairs on the upper blade surfaces, and with smaller spikelets, and distinctive yellow-brown bristles. | 2097025 | Ames 35056 |