chiefly Old World strong-smelling weedy herbs; comprises plants sometimes included in other genera: e.g. Tanacetum; Tripleurospermum
造句
Ubiquitous European annual weed with white flowers and finely divided leaves naturalized and sometimes cultivated in eastern North America,sometimes included in genus Matricaria. 普遍的歐洲年生草本植物，有白花和分開的葉子，有時(shí)在北美東部種植，有時(shí)歸入母菊屬。