The name Chamomile or Camomile is ambiguous and can refer to several distinct species.

• German chamomile Matricaria recucita (syn. M. chamomilla)
• Pineapple weed (or Wild chamomile) Matricaria matricarioides
• Roman chamomile Chamaemelum nobile (syn Anthemis nobilis) the "lawn" chamomile.
• Dog fennel Anthemis cotula and to some extent other Anthemis species

See also Mayweed