This book shows the diversity of succulents that occur in Southern Africa with special emphasis on the larger groups -mesems (vygies) and aloes. The book covers approximately 250 individual species, focusing on the most common and most interesting, and each entry features a phot…
This edition of this internationally acclaimed book combines over 1000 outstanding illustrations and expanded, authoritative text covering the clinical diagnosis, pathology and ecology of all recognised tropical and parasitic diseases.
by Shields, Chris, Feare, Chris, Craig, Adrian, Croucher, Barry, Kamol Komolphalin
fromHelm Identification Guides
This authoritative guide treats all the world's starlings and mynas (114 species) in detail, with the 32 colour plates depicting all species and a variety of races where relevant. Social behaviour and food and feeding are given particular prominence, being crucial to an understa…
"Waders of Europe, Asia and North America features: a definitive field guide to the 124 species of northern hemisphere waders; 77 colour plates show the full range of plumage variation in each species, with a separate section for birds in flight; birds are grouped on plates so t…
"From the macaws of South America to the cockatoos of Australia, parrots are among the most beautiful and exotic birds in the world--and also among the most endangered. This ... covers all 356 species and well-differentiated subspecies of parrots, and is the only guide organized…
In the thirty years since the second edition of A Manual of Acarology was published, acarologists have discovered a multitude of new taxa, made major modifications in classification of acarids, and profoundly altered their understanding of the Acari, inspiring new and innovative…
by Largent, D. L., Thiers, H. D., Johnson, D., Watling, R.
Een serie in 3 delen over eetbare paddestoelen bestaande uit een herkenningsgids met determinatietabel, een genera-overzicht voor in het veld en een leidraad voor laboratorium-omstandigheden
