What is archangelica?

Some articles on archangelica:

Angelica Archangelica
... Angelica archangelica, commonly known as Garden Angelica, Holy Ghost, Wild Celery, and Norwegian angelica, is a biennial plant from the Apiaceae family, a subspecies of which is ... Synonyms include Archangelica officinalis Hoffm ... and Archangelica officinalis var ...