As a desert plant it is a hardy species, surviving with little water and lots of sunlight.

This hardy species can survive for some time out of water.

There are even one or two fully hardy species from Turkey.

Many of the most hardy species have adapted by using more than one summer to ripen seeds.

The answer implied that there were not any hardy species.

They are generally a hardy species that do well in captivity if given good water quality.

This extremely hardy species can survive for more than a day out of water.

It is probably the most cold hardy species in the genus.

In this group are many hardy species popular with gardeners and plant collectors.

If hardy species are planted, plants will survive best on their own.