Petrorhagia 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 be found nearly worldwide, having
Minuartia Minuartia Minuartia is a genus of flowering plants commonly known as "sandworts" in the carnation family Caryophyllaceae. Minuartias are small annual or perennial plants which grow in otherwise inhospitable conditions such as on rocky ledges and in stony soil. The genus is widely distributed in the northern hemisphere, mainly distributed in Europe, in the Mediterranean region, and north Africa, southwest Asia, and the Caucasus Mountains in India. Many "Minuartia" species were formerly classed in the genus "Arenaria", and the obsolete genus "Alsine". In 2014, the polyphyletic "Minuartia" "sensu lato" was recircumscribed, with many of the species transferred to other genera,