英语语法分析

Monotypic genera are those which contain only one species.

单型属就是指那些只包括一个种的属。

So it seems reasonable to separate Pseudolarix from Laricoideae and to establish a new monotypic subfamily Pseudolaricoideae Li.

因此似乎有理由把金钱松从该亚科分出并建立一个单型的金钱松新亚科。

Therefore, the study of the genetic relationship and the mycogeography of the monotypic genus have important theoretical values.

因此，单种属的亲缘关系和菌物地理学研究具有重要的理论意义。