This attractive field-friendly 164 page guide simplifies grass identification. It is rich in photographs and diagrams and contains both a floristic guide and a vegetative key. It will help you identify up to 100 Irish species.
The guide can be purchased online at http://www.biodiversityireland.ie/home-page/shop/ for €15 or by contacting the Centre at info@biodiversityireland.ie for bulk orders.