Hypericum Prolificum, also known as the Shrubby St. John's Wort, has several synonyms that are commonly used to refer to this plant. Some of the popular synonyms that are used for Hypericum Prolificum include Hypericum kalmii, Kalm's St. John's Wort, Creeping St. John's Wort, and Bushy St. John's Wort. These synonyms are used interchangeably to refer to this plant, which is known for its healing properties and use in traditional medicine. Hypericum Prolificum is a hardy plant that can grow up to three feet tall, and it is often used as an ornamental plant in gardens or for naturalizing landscapes. Regardless of the name used to refer to this plant, it remains a popular choice for gardeners and herbalists alike.