German Chamomile (Matricaria recutita L., syn. M. chamomilla)
Also known as: Blue Chamomile, Hungarian Chamomile, Mayweed, Wild Chamomile
Roman Chamomile (Chamaemelum nobile L., syn. Anthemis nobilis)
Also known as: English Chamomile, Garden Chamomile, Maythen, Sweet Chamomile
Both plants also known as: Camomile, True Chamomile