University of Wyoming Extension
Department #3354
1000 E. University Ave.
Laramie, WY 82071
Phone: (307) 766-5124
Email: uwext@uwyo.edu
![]() | Amaranthus species - A current and emerging threat in Wyoming | |
Publication #: B-1299 Publication Author(s): |
Description:
The genus Amaranthus comprises more than 70 summer annual weed species commonly referred to as pigweeds. Many are native to Central and North America, and they have a history of association with agricultural cultivation. In Wyoming, the most common Amaranthus species are redroot pigweed (Amaranthus retroflexus) and prostrate pigweed (Amaranthus blitoides). Amaranthus species occur in cultivated lands, gardens, and disturbed soils.
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University of Wyoming Extension
Department #3354
1000 E. University Ave.
Laramie, WY 82071
Phone: (307) 766-5124
Email: uwext@uwyo.edu