This species of chamomile is also called German chamomile to distinguish
it from another plant known as English or Roman chamomile (Chamaemelum
nobile syn. Anthemis nobilis). Although the two are different species of
plants, they both belong to the daisy family and have similar
properties.
Other common names for German chamomile include Hungarian chamomile or blue
chamomile, the latter being a reference to the blue oil produced by
steam distillation of the flowers. The plant is native to Europe and
northern Asia, and is commercially cultivated in France, Egypt and
Hungary.