Fungi

In the past, mushrooms were considered a part of the plant world, a group of fungi.

An excerpt from the article 22 facts about fungi

It was suggested that they had a limited ability to move, their type of growth, and their morphological differences from animals. This is still the case in popular consciousness, when, for example, when simplified lists of protected species are prepared, mushrooms are combined with plants. Mycology is also included in botany in the educational program, and the group of fungi inhabiting a given environment is called flora or mycoflora (recently also mycobiota or funga).

The separation of fungi from plants was first proposed in 1969 by the American botanist and climatologist, Robert Whittaker.