Suaeda calceoliformis (Hook.) Moq.
Family: Amaranthaceae
horned sea-blite, plains sea-blite, Pursh's seep-weed
[Chenopodium calceoliforme Hook.,  more...]
Suaeda calceoliformis image
from USDA Plants website  
Etymology: Suaeda: an Arabic name of antiquity
Plants: annual forb
Conservation Status: Introduced - adventive