Simplify the following text for a Grade 13 native English-speaking person.
Original: Chrysanthemums , often called mums or chrysanths , are of the genus ( Chrysanthemum ) constituting approximately 30 species of perennial flowering plants in the family Asteraceae which is native to Asia and northeastern Europe .
Simplified: Chrysanthemums are a genus ( Chrysanthemum ) of about 30 species of perennial flowering plants in the family Asteraceae , from Asia and northeast Europe .