Which of the following is commonly known as horse-tail?

Which of the following is commonly known as horse-tail?

مندرجہ ذیل میں سے کون عام طور پر گھوڑے کی دم کے نام سے جانا جاتا ہے؟
Explanation

Equisetum is commonly called horse-tail due to its brush-like appearance.

It belongs to Pteridophytes.

It is a living fossil.

It is found near wetlands.