Genus Comptonia is a type of shrub that belongs to the family Myricaceae. It is commonly known as sweet fern due to its pleasant aroma. However, there are several other synonyms for this shrub, such as Comptonia peregrina, Myrica asplenifolia, and Kalmia asplenifolia. These synonyms are used interchangeably by botanists and horticulturists to refer to this plant. The genus Comptonia contains just one species, Comptonia peregrina, which is native to North America. Sweet fern has a long history of use in traditional medicine and is still used today for its various health benefits. Its leaves can also be used for brewing tea or as a seasoning in cooking.