Encyclopaedia

Search for a specific plant, by family, genera or species to find out more about your chosen topic.

The online encyclopaedia has been developed from our acclaimed print edition. First published in 1993, it has been referred to as ‘the standard reference in its field.’ Our encyclopaedia offers a wealth of information contributed by some of our incredibly knowledgeable members.

The online version is continuously being edited and extended to ensure all information is up-to-date, accurate and insightful.