About Exsertotheca crispa (Hedw.) S.Olsson, Enroth & D.Quandt
Exsertotheca crispa, commonly known as crisped neckera, is a moss species that belongs to the family Neckeraceae. This species is native to Europe and China. In Iceland, Exsertotheca crispa is only found at two locations, where it grows on palagonite cliffs. It is classified as a vulnerable (VU) species under conservation status in Iceland.