Is this Fat Hen (chenopodium album) ?

Is this Fat Hen (chenopodium album) ?

Observation - Is this Fat Hen (chenopodium album) ? - UK and Ireland. Description: About five inches high. Small flower buds in cluster. Upper leaves have almost smoothly curved edges. Lower ones jagged.

About five inches high. Small flower buds in cluster. Upper leaves have almost smoothly curved edges. Lower ones jagged.