Lamb's quarters

Lamb's quarter, lambsquarters and similar terms refer to various edible species of goosefoot, or pigweed.

There are numerous variations, with or without hyphens and apostrophes, using one word or two, and singular or plural. As a rule, the British English spelling uses two terms with or without hyphen though usually with an apostrophe, while the American English spelling uses one word.

In Europe, the term usually refers to Chenopodium album (White Goosefoot)
In North America, the term usually refers to Chenopodium berlandieri (Pitseed Goosefoot)