The vegetative key to the British flora: a new approach to naming British vascular plants based on vegetative characters.
Totton: John Poland, 2009. Octavo, paperback, colour illustrations, line drawings. Conventional field guides only work when you have flowers or fruit - something all botanists find rather frustrating when out in the field. This key is an outstanding innovation. It enables the user to easily identify over 3,000 native and..... More