Hugh T.W. Tan
"A Guide to Carnivorous Plants in Singapore"

Singapore Science Centre, Singapore, 1997. ISBN 9810086296, softcover

Description:

From the contents

• Introduction (10 p.)
• Native species and hybrids(80 p.)
• Exotic species (14 p.)
• Tropical pitcher plant ecology (46 p.)
• Conservation and Law (12 p.)
• Internet sources of information
• Index

Covered are N.ampullaria, gracilis, rafflesiana, x hookeriana, x trichocarpa, x dominii /intermedia, U.aurea, bifida, caerulea, gibba, minutissima.
A good book with a nice ecology chapter dealing with habitat, predators, prey, digestion and early succession in the pitcher-fluid, and pitcher fluid macrofauna of pitcher plants.