Centaurea Solstitialis, commonly known as yellow star thistle, is an invasive plant species that originated from the Mediterranean region. This plant species has become a menace in North America, where it has rapidly spread to pasturelands, roadsides, and other open areas. In the effort to control the spread of this plant, identifying its synonyms can be helpful. Some of the synonyms for Centaurea Solstitialis include yellow cockspur, golden star thistle, and golden star. Despite the varying names, these synonyms all refer to the same invasive weed that poses a threat to the environment and agricultural economies.