History of botany scope of the subject as technology has opened up new techniques and areas of study. Modern molecular systematics, for example, entails the principles and techniques of taxonomy, molecular biology, computer science and more. Within botany there are a number of sub-disciplines that focus on particular plant groups, each with their own range of related studies (anatomy, morphology etc.). Included here are: phycology (algae), pteridology (ferns), bryology (mosses and liverworts) and palaeobotany (fossil plants) and their histories are treated elsewhere (see side bar). To this list can be added mycology, the study of fungi, which were once treated as plants, but
Pitcher Plants of the Old World Pitcher Plants of the Old World Pitcher Plants of the Old World is a two-volume monograph by Stewart McPherson on the pitcher plants of the genera "Nepenthes" and "Cephalotus". It was published in May 2009 by Redfern Natural History Productions and covers all species known at the time. The work was edited by Alastair Robinson and Andreas Fleischmann. The monograph was followed in 2011 by "New Nepenthes: Volume One", a supplementary work covering the many "Nepenthes" taxa documented in the preceding few years. In an interview with "The Hoopoe", McPherson explained his reasons for writing the book and the extensive