Original: It is not uncommon for people to mistakenly refer to Mato Grosso do Sul as simply "Mato Grosso", which has prompted the government to consider changing its name to "Pantanal", a reference to its best known geographical feature (see below).
Simplified: Many people wrongly refer to Mato Grosso do Sul as simply "Mato Grosso". This has caused the government to consider changing its name to "Pantanal", the world's largest wetlands which is in the state.