Any of various ferns of the widely distributed genus Polypodium, having simple or compound fronds, round sori arranged in one or more rows along the midrib, and creeping rootstocks.

• 水龙骨属植物一种分布广泛的水龙骨属植物，有简单的或复合的厥叶，沿中脑以一行或多行排列的圆形囊群，和爬行的根状茎