Chamomile herb is definitely one of the most popular wild medicinal plants that can be eaten because of Chamomile Flower Health Benefits. The two main types of chamomile are the more popular German chamomile and Roman chamomile. Although they belong to different species, they are used to treat the same health ailments in herbal pharmacy. Both are used to calm frayed nerves, help in soothing various stomach problems, reduce muscle spasms, and to treat several skin conditions. German chamomile grows in many countries.