ferns

Ferns fringed the pool.

池塘周围长着厥类植物

the ferns began to change shape .

这些蕨类植物开始变形。

Ferns grow in shady and moist places.

羊齿类植物生长在阴暗潮湿地方。

ferns like a bright position out of direct sunlight.

蕨类植物喜欢生长在没有阳光直射明亮地方。

she parted the ferns and looked between them.

她拨开那些蕨类植物，朝中间看了看。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类植物最早登陆维管植物，至今生态系统初级生产力重要组成部分。

The Kizilsu palynofloras are characterized by the dominance of coniferae, abundance of schizaeaceous ferns and presence of primitive angiospermous pollen.

克孜勒粉组合以松杉目优势、真蕨目海金沙科显赫和原始被子植物出现为特征。

tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.

分布于温带澳大拉西亚树蕨，叶二回羽状分裂或三回羽状分裂，囊位于叶边缘；在一些分类中归入桫椤科。

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.

摘要同型子蕨类子体可经由同配子体自交、异配子体交配两类配育系统或以无配生殖方式产生，异配子体交配又可分为异配子体自交和异配子体异交两种方式。

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ohia lehua树和那叫hapuu蕨类植物给丰富得令人惊奇动植物撑起了一把保护伞。

Characteristics: Terrestrial ferns; stipes tuft, backlish at base; young fronds pinnaye with wider pinnae, when getting older, the fronds become bipinnate or tripinnatifid with slender pinnules.

形态：地生，叶柄丛生，基部黑色；较年轻叶子一回羽状复叶，较老叶子二回或三回羽状复叶。