Carlina Acaulis is a beautiful perennial plant that is native to Europe. Commonly known as Stemless Carline Thistle, it has silver-grey leaves and a bright yellow flower head. This plant has some synonyms, which are used interchangeably to refer to it. They include Stone Thistle, Silver Thistle, and Rocky Mountain Thistle. The different names for Carlina Acaulis are given based on regions, its appearance, and habitats. For example, Rocky Mountain Thistle is usually used in areas with high elevations, while Silver Thistle is common in places with sandy or rocky soils. Regardless of the name used, this plant is a sight to behold, and its medicinal values make it a favorite among several cultures.