蕨类的

Here in the rainforest, the giant ohia lehua trees and hapuu ferns provide protective canopy to an amazingly diverse collection of plants and animals.

就在这片雨林中，高大的ohia lehua树和那叫hapuu的类植物给丰富得令人惊奇的动植物撑起了一把保护伞。

Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.

摘要型类的体可经体自交、异体交两类育系统或以无生殖的方式产生，异体交又可分为异体自交和异体异交两种方式。