Guide to Mosses and Liverworts of towns and gardens

A Key to the major groups of terrestrial invertabrates

Key to the earthworms of UK and Ireland

Non native invasive plants of Britain an Ireland

Jellyfish and allied species (kwallen)

Key to British land mammals

Guide to the reptiles and amphibians

Bats guide

A guide to plant galls in Britain

Plantenliefde

Basisboek Paddenstoelen

Pilze der Schweiz

Fungi of Switzerland

Champignons de Suisse

Plastic Panda’s

Writing Effective Ecological Reports

Measuring Abundance – Overvloed meten