A stunning visual guide to identifying trees of the Netherlands.
No connection to the internet or mobile network is needed.
Great fun to use, identification can be enjoyed by the whole family.

The original and the best, Tree Id is an easy to use but comprehensive field guide to trees found growing in open countryside and natural woodland of the Netherlands. The guide has been created by professional published ecologists, accept no cheap imitations!

One of BBC Countryfile's top 10 apps and one of the World Wildlife Fund's top 10 apps. Described as "incredibly useful" by ITV's Seth Conway and "a lovely app" by Adam Vaughan of the Guardian. It was voted No. 5 in the Guardian Green Living top 10 apps and was given the "Best" award by iPhone Apps Plus. Our app is the only tree identification app in the Woodland Trust top apps list.

Have you ever been on a walk in the countryside and wondered "What tree is that?". TreeId is a great tool to help you quickly and easily identify trees you find in the countryside. Its great fun to use too. With TreeId, identification can be enjoyed by the whole family, and can engage children with the natural world around them. For the tree enthusiast, there is comprehensive anatomical and ecological information, with high quality images of the leaf, flower, fruit etc, of every species.

When you have identified a tree, why not take a photo and record it on our map. See how many species you can identify this year!

The app does not need an internet connection, all content is downloaded when the app is purchased.

Isoperla field guides are the only products on the market that use the KUSAM species identification methodology. This state of the art method is a modern taxonomic keying system designed specifically for use on mobile devices.