They are protected zones, with less than 20 hectares, for the conservation and monitoring of the rare, endemic or endangered botanical species.

In Dénia, there are flora micro-reserves in different environments:

1. Montgó Natural Park: one in the Cova de l’Aigua and another in Barranc de l’Emboixar, both signalled.
2. Les Rotes area: there are 3 flora micro-reserves, all signalled.