| 2722027 |
soybean |
Glycine max |
beat sheet sampling |
| 2722026 |
peanut |
Arachis hypogaea |
Georgia Peanut Scout School in late 1970s |
| 1241404 |
Appalachian violet |
Viola appalachiensis |
Somerset County, Pennsylvania |
| 1241401 |
Appalachian violet |
Viola appalachiensis |
Somerset County, Pennsylvania |
| 1350070 |
knapweeds |
Centaurea spp. |
for insects |
| 5408950 |
yellow 'lima |
Sida fallax |
aeiral survey |
| 5357004 |
alfalfa |
Medicago sativa |
Ed Nigh conducting a nematode survey in an alfalfa field in 1987. |
| 5357002 |
alfalfa |
Medicago sativa |
Gary McIntyre conducting a disease survey in an alfalfa field. |
| 0024049 |
yellow starthistle |
Centaurea solstitialis |
a Russian entomologist examining a seed head |