Lambsquarters, Lamb's Quarters, Pigweed
Chenopodium album
Synonyms: Chenopodium album var. album, Chenopodium album var. missouriense, Chenopodium album var. stevensii

The photos on this page show pigweed as seen
along Kreps Lane in Conboy National Wildlife Refuge........July 9,
2006. Note that the inflorescences are axillary or found in the leaf axils of
the upper leaves.

Greenish upper surface of a leaf blade of lambsquarters.

Grayish lower leaf blade surface of lambsquarters.
Paul Slichter