Alternanthera
Alligatorweed, Alligatorweed, Alligatorweed, Alternanthera philoxeroides, Alternanthera philoxeroides (Alligatorweed), Alternanthera tenella
Amaranthus
Amaranthus albus, Amaranthus blitum, Amaranthus blitum, Amaranthus hypochondriacus, Amaranthus retroflexus, Amaranthus rudis, Amaranthus spinosus, Amaranthus spinosus
Amaranthaceae
Description, covering topics including habit and leaf form; anatomy; morphology; physiology; biochemistry; and geography.
The Amaranthaceae
General description of this family, mostly herbs but also including some shrubs or small trees. Includes photos of some representatives, mostly from Hawaii.