The focus of the book is to consolidate the information on the principles of plant systematic, including detailed discussion on all major systems of classification, and significantly, also include discussion on the selected families of vascular plants, without sacrificing the di…
Each entry includes an in-depth species description; notes on habitat, behaviour, diet and conservation status; accurate illustrations and spoor drawings; and a distribution map. The book also details the whales, dolphins and seals seen along the coast.
Owls are enduringly popular birds, but due to their nocturnal habits most species are difficult to see well. The plumages of many species are cryptic and difficult to separate by plumage alone. This problem is compounded by the different morphs that many adopt. This book fully d…
Covering the important pathogens, this handbook provides concise descriptions of the symptoms and cycles of diseases, their distribution and economic importance and advice on their control. It also includes 'pest profiles' that identify with the use of colour photographs, the pe…
Many substrates other than land plants have their own characteristic fungi, which are often difficult to identify through usual taxonomic channels. They are much more easily tracked down when keyed out and described in small, specialized habit groups.
Most field guides only work when you have flowers or fruit. This key enables the user to easily identify over 3,000 native and alien plants without flowers or fruit, with nothing more than a hand lens.
The completely revised second edition of the bestselling Biological Control in Plant Protection: A Colour Handbook continues the objective of providing a handbook with profiles and full-colour photographs of as many examples of biological control organisms from as wide a global …
Ideas and concepts in sedimentology are changing rapidly, but field work and data collection remain the basis of the science. This is a guide to the recognition and description of sedimentary rocks in the field. It aims to help the geologist know what to observe and record, and …
Counter Ticks in the genus Rhipicephalus include many important vectors of animal and human pathogens, but many species are notoriously difficult to identify, particularly as immature stages. This reference volume provides identification keys for adult ticks from the Afrotropica…
. Eighteen are endemic to Madagascar and five occur in continental African (Angola, Mozambique, South Africa, Swaziland and Zimbabwe). The study is based on herbarium material and living plants. The varieties P. baronii var. windsorii and P. rosulatum var. gracilius are raised t…