Name some tress which have moved to the verge of extinct on due to enrichment of plantation.

The agarwood tree (Aquilaria malaccensis), whose resin extract is widely used in perfumes and incense, is one step away from being declared extinct in the wild by the International Union for Conservation of Nature (IUCN). The IUCN, an international organisation which maintains an authoritative database on the status of species, called the red list, issued an update this week and moved the species from the vulnerable to the critically endangered category. “The Aquilaria malaccensis tree, which produces one of the world’s most valued woods, moved from ‘vulnerable’ to ‘critically endangered’ as logging and deforestation caused population to decline by more than 80% over the past 150 years,” the IUCN summary said. The red list places flora and fauna species in seven categories: extinct, extinct in wild, critically endangered. endangered, vulnerable, near threatened and least concern.