Mayweed Chamomile (Anthemis cotula) also known as: Mayweed, Stinking Chamomile, Dog Fennel and Pig-Stye-Daisy. Division - Magnoliaphyta Class - Magnoliopsida Subclass - Asteridae Order - Asterales Family - Asteraceae Genus - Anthemis Weeds Taxonomic List List by Scientific Name List by Common Name