1.   This hardy tree is native to river bottoms, where it can grow to large size quickly.

2.   Try as I might, I can not find the name of this hardy tree.

3.   Many of the craggy islands, with hardy trees clinging precariously to cracks in the sheer rock faces, are virtually inaccessible.

4.   We don scarves and ski jackets and clamber over dusky red rocks, whose red soil is home to prickly cacti and hardy trees.

5.   Some hardy trees, imported from Asia, have been planted on both sides of the tracks to stop the sands.