Genus Anacyclus is a botanical name that refers to a group of flowering plant species within the Asteraceae family. However, there are some synonyms for this genus that may confuse people. The common names of some Anacyclus species such as pellitory, Spanish chamomile, and biting camomile, are widely used as synonyms. Other synonyms include Anthemis and Matricaria. These names are used to describe plants with similar characteristics and properties to those of the Anacyclus species. For example, Anthemis arvensis and Matricaria chamomilla are both medicinal plants that contain essential oils and have anti-inflammatory properties, similar to those of Anacyclus. It is important to be aware of these synonyms when searching for information on this genus or related plants.