 It was first discovered on Gozo, hence its second English name, then later found on the larger island Malta, in three separate localities.Its distribution range covers the entire western half of the perimeter on the island of Gozo, while on the island of Malta it is found on pocket isolated populations along the western cliffs of the island.It occurs in habitats such as cliffs, coastal garigue, rubble walls and boulder screes, and mainly in shady areas.