Petrorhagia been introduced to other continents. Petrorhagia Petrorhagia is a small genus of annual and perennial plants of the pink or carnation family, mostly native to the Mediterranean region. The genus is often referred to as Tunica, which is an obsolete synonym. It is low-growing with wiry stems and narrow, grass-like leaves. The flowers are small, in clusters similar to members of the genus "Dianthus", in pink, lilac, or white. "Petrorhagia saxifraga" is the tunic flower or coat flower, similar to Baby's Breath, but shorter, and used in rock gardens. These plants are mainly native to Eurasia, but some species can
Artemisia (genus) the Flora of North America, exclude any New World plants from "Seriphidium". They are herbaceous plants or small shrubs. One group which is well-supported by molecular data is subgenus "Dracunculus". It consists of 80 species found in both North America and Eurasia, of which the best-known is perhaps "Artemisia dracunculus", the spice tarragon. Artemisia (genus) Artemisia is a large, diverse genus of plants with between 200 and 400 species belonging to the daisy family Asteraceae. Common names for various species in the genus include mugwort, wormwood, and sagebrush. "Artemisia" comprises hardy herbaceous plants and shrubs, which are known for the