资料来源 : pyDict

松柏纲

资料来源 : WordNet®

Pinopsida
     n : most conifers: in some systems classified as a class
         (Pinopsida) and in others as a subdivision (Pinophytina);
         used in some classifications for one of five subdivisions
         of Gymnospermophyta [syn: {class Pinopsida}, {Pinophytina},
          {subdivision Pinophytina}]