| cotula | (n) cosmopolitan herbs especially southern hemisphere; many used as ground covers, Syn. genus Cotula |
| brass buttons | (n) South African herb with golden-yellow globose flower heads; naturalized in moist areas along coast of California; cultivated as an ornamental, Syn. Cotula coronopifolia |
| mayweed | (n) widespread rank-smelling weed having white-rayed flower heads with yellow discs, Syn. stinking mayweed, stinking chamomile, Anthemis cotula, dog fennel |