Name the type of vegetation found in saline environment under tidal influence and name the most important tree associated with the above type of vegetation.

Mangrove vegetation with breathing roots or pneumatophores which act as respiratory organs are found in saline environment under tidal influence. The most important tree associated with the Mangrove vegetation are 'Sundari trees'. These are the trees after which the forest has been named as Sunderbans. The sundari trees are used for boat building as it wood is very hard, strong and durable.