| lip fern | (n) any of various terrestrial ferns of the genus Cheilanthes; cosmopolitan in arid and semiarid temperate or tropical regions, Syn. lipfern |
| smooth lip fern | (n) southeastern United States to northern Mexico and Jamaica, Syn. Alabama lip fern, Cheilanthes alabamensis |
| southwestern lip fern | (n) lip fern of Texas to Oklahoma and Colorado and Arizona and Mexico having tall erect tufted fronds, Syn. Cheilanthes eatonii |
| wooly lip fern | (n) small North American evergreen fern whose stipes and lower frond surfaces are densely wooly, Syn. hairy lip fern, Cheilanthes lanosa |
| lip fern | |