| Site | Weed species | |||||
| Scientific name | Common name | Family | Life cycle | |||
| All sites | Acanthospermum australe (Loefl.) Kuntze | sheepbur | Asteraceae | annual | ||
|
| Alternanthera tenella Colla | - | Amaranthaceae | perennial | ||
|
| Bidens pilosa L. | beggarticks | Asteraceae | annual | ||
|
| Cenchrus echinatus L. | sandbur | Poaceae | annual | ||
|
| Commelina benghalensis L. | dayflower | Commelinaceae | perennial | ||
|
| Conyza bonariensis (L.) Cronquist | fleabane | Asteraceae | annual | ||
|
| Cyperus rotundus L. | nutsedge | Cyperaceae | perennial | ||
|
| Digitaria insularis (L.) Mex ex Ekman | sourgrass | Poaceae | perennial | ||
|
| Eleusine indica (L.) Gaertner | goosegrass | Poaceae | annual | ||
|
| Emilia sonchifolia (L.) DC. ex Wight | tasselflower | Asteraceae | annual | ||
|
| Sida sp. L. | - | Malvaceae | annual | ||
| Jaboticabal-NTS | Acanthospermum hispidum DC. | bristly starbur | Asteraceae | annual | ||
| (soybean/corn crop) | Digitaria nuda Schumacher | naked crabgrass | Poaceae | annual | ||
|
| Panicum maximum Jacq. | guineagrass | Poaceae | perennial | ||
| Guaíra-NTS | Brachiaria decumbens Stapf | signal grass | Poaceae | perennial | ||
| (soybean/corn crop) |
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| Guaíra-CTS | Brachiaria decumbens Stapf | signal grass | Poaceae | perennial | ||
| (soybean/corn crop) |
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| Gavião Peixoto | Brachiaria decumbens Stapf | signal grass | Poaceae | perennial | ||
| (orange orchard) | Chamaesyce hirta (L.) Millsp. | spurge | Euphorbiaceae | annual | ||
|
| Parthenium hysterophorus L. | ragweed | Asteraceae | annual | ||
| Descalvado | Amaranthus sp. L. | - | Amaranthaceae | annual | ||
| (orange orchard) | Brachiaria decumbens Stapf | signal grass | Poaceae | perennial | ||
|
| Digitaria nuda Schumacher | naked crabgrass | Poaceae | annual | ||
|
| Panicum maximum Jacq. | guineagrass | Poaceae | perennial | ||
|
| Rhynchelitrum repens (Willd.) C.E. Hubb | natal grass | Poaceae | annual | ||