Chamomile is a herb that belongs to the Asteraceae family. There are two common varieties of chamomile that people often use for tea: German (Chamomilla recutita) and Roman (Chamaemelum nobile).

de la Torre MF, Sanchez MI, Garcia Robaina JC, et al. Clinical cross-reactivity between Artemisia vulgaris and Matricaria chamomilla (chamomile). J Investig Allergol Clin Immunol 2001;11(2):118-122.

Native to southern and eastern Europe and western Asia, the plants that chamomile tea is typically made from are German ...