Densely tufted fern ally of southwestern United States to Peru; curls up in a tight ball when dry and expands and grows under moist conditions.

synonyms: rose of Jericho, Selaginella lepidophylla.

Small grey Asiatic desert plant bearing minute white flowers that rolls up when dry and expands when moist.

synonyms: Anastatica hierochuntica, rose of Jericho.