Annual Mercury (with thanks for the ID help)

Annual Mercury (with thanks for the ID help)

Observation - Annual Mercury (with thanks for the ID help) - UK and Ireland. Description: Found growing in a few locations near to each other. I'd assumed it to be a goosefoot or fat-hen, but I was far less certain when I delved into the books. Any assistance would be much appreciated. Many thanks.

Found growing in a few locations near to each other. I'd assumed it to be a goosefoot or fat-hen, but I was far less certain when I delved into the books. Any assistance would be much appreciated. Many thanks.