在某些分类系统中细分的水龙骨科成员的一个科；乌毛蕨属；水龙骨属；狗脊属。
One of a number of families into which the family Polypodiaceae has been subdivided in some classification systems ; includes genera blechnum ; doodia ; sadleria ; stenochlaena ; woodwardia .
水龙骨属