Image Recruiting List - Most Common and Troublesome Weeds in the South
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The Most Common and Troublesome Weeds surveys are used to document shifts in weed populations and management systems. The survey is divided into four classes of crops: grass, broadleaf, vegetables and fruits, and aquatics and ornamentals. Each class is reviewed, in turn, every four years. The surveys are sent out to extension specialists in each state responsible for the crops contained in that year’s survey. Their responses for the top common and troublesome weeds in that crop are based on experiences with growers, consultants, and colleagues.
- Number of Subjects on List: 269
- Number of Subjects with at least one image: 242
- Number of Images: 14,670
- Number of Subjects with image set selected as of April 18, 2024: 248
| Subject Name | Scientific Name | Images | Complete | Collection | Recruiting Note |
|---|---|---|---|---|---|
| Carolina foxtail | Alopecurus carolinianus | 0 | No | No | |
| false ragweed | Ambrosia tenuifolia | 0 | No | No | |
| purple ammannia | Ammannia robusta | 0 | No | No | |
| common broomweed | Amphiachyris dracunculoides | 0 | No | No | |
| texasweed | Caperonia palustris | 0 | No | No | |
| buckbrush | Ceanothus cuneatus | 0 | No | No | |
| bermudagrass | Cynodon transvaalensis | 0 | No | No | |
| hairy indigo | Indigofera hirsuta | 0 | No |
108989
|
|
| cotton morning-glory | Ipomoea cordatotriloba var. torreyana | 0 | No | No | |
| red sprangletop | Leptochloa panicea | 0 | No | No | |
| Amazon sprangletop | Leptochloa panicoides | 0 | No | No | |
| bull paspalum | Paspalum boscianum | 0 | No | No | |
| sour paspalum | Paspalum conjugatum | 0 | No |
109024
|
|
| shinnery oak | Quercus havardii | 0 | No | No | |
| bulbous buttercup | Ranunculus bulbosus | 0 | No |
118022
|
|
| tropical signalgrass | Urochloa distachya | 0 | No |
109051
|
|
| alexandergrass | Urochloa plantaginea | 0 | No | No | |
| Euphorbia nutans | 2 | No |
112942
|
||
| nalta jute | Corchorus olitorius | 3 | No | No | |
| Pennsylvania smartweed | Persicaria pensylvanica | 28 | No |
110417
|
|
| common chickweed | Stellaria media | 35 | No |
108143
|