University of Missouri Extension

IPM1023, New January 2005

Missouri Weed Seeds

Amaranthaceae (Amaranth family)

Broadleaf plant family

In Missouri the amaranths (pigweeds) make up the vast majority of plant genera that occur within this family.

Amaranth, Palmer Amaranth, Palmer
Amaranthus palmerii

Pigweed, redroot Pigweed, redroot
Amaranthus retroflexus

Pigweed, smooth Pigweed, smooth
Amaranthus hybridus


Pigweed, tumble Pigweed, tumble
Amaranthus albus

Waterhemp Waterhemp, common
Amaranthus rudis

For an idea of relative seed size, each photo contains a millimeter ruler. The distance between increments is 1 mm.

IPM1023 Missouri Weed Seeds | University of Missouri Extension

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