Poisonous mushrooms include all harmful or deadly species to consume. Most people know that red fly agaric is poisonous; other poisonous mushrooms include the brown fly agaric, the insidious fly agaric, and the False Morel (or Turban Fungus).
Sources
Britannica – 7 of the World’s Most Poisonous Mushrooms
Natur & Kultur – Unusual Edible Mushrooms by Oliver Karlöf
April 2023, TÄNKOM | Revised February 2024 RETHINK