He wrote Botanologia Universalis Hibernicaor, or a general Irish Herbal Cork, 1735, a herbal, or book about medicinal plants, written in Manx (not Irish but related), phonetic English, and Latin, Zoologia Medicinalis Hibernica or, a Treatise on Birds, Beasts, Fishes, Reptiles or Insects known and propagated in this Kingdom, and Vindication of the Antiquities of Ireland Dublin, 1748, in which he gives an account of his family.
There is in that library a volume containing a collection of dried specimens of plants made by him, with his notes in manuscript on their medicinal uses.
The hills are notable as the habitat for over 2,000 species of medicinal plants and as the abode of the Vedic sage Agasthya, founder of the Siddhar practitioners of Rasayana herbal medicine, who is often depicted holding a mortar and pestle.
A physician to King Louis XIII of France, he is also notable for the creation of a major botanical garden of medicinal herbs, which was commissioned by the king.
TCVM practices include five major fundamental branches: Chinese food therapy, acupuncture, herbal therapy, Tui na ("twee-na") and Qigong ("chi-gong").