Amaranthus palmeri S. Watson National Museum of Natural History. Click to open image viewer. CC0 Usage Conditions Apply Click for more information. Click to view download files. Click to view IIIF ...

Sprague CL, Stoller EW, Maxx LM, Horak MJ (1997) Palmer amaranth (Amaranthus palmeri) and common waterhemp (Amaranthus rudis) resistance to selected ALS-inhibiting herbicides. Weed Sci 45:192–197.

Palmer pigweed (Amaranthus palmeri) is not a weed to trifle with.It can reach more than 2.5 metres tall, grow more than 6 centi­metres a day, produce 600,000 seeds and has a tough, woody stem ...

With its jumble of leaves and pointy, green, flower spikes, the plant known as pigweed or palmer amaranth (Amaranthus palmeri) isn’t much to look at. But to farmers in the southeastern United ...