All three have long been known for their serious horticultural study and efforts to preserve native plants.

On the disk, some models talk about the importance of saving the rain forest to protect air quality and preserve plants used in disease-fighting drugs.

But environmentalists say there are many important reasons, including economic ones, for preserving endangered plants and animals, no matter what or where they are.

Across the country, members have created private sanctuaries to preserve indigenous plants which range in size from a quarter acre to hundreds of acres.

This method of conservation is used in parts of the world to preserve plants for as long as possible.

The organization's mission is to preserve animals and plants by acquiring land and water to protect the environment from development.

He collected over 36,000 different species and preserved some 900 threatened and endangered plants.

Its "paramount purpose is to preserve wild plants".

Knowing the importance of preserving rare plants, the National Trust intervened and acquired the land.

The aim was to preserve wild plants and animals from commercial overexploitation.