Discover what else Kew Science has to offer We’re trialling a new ‘app switcher’ feature to help our users move between our science apps. For now we’ve just listed some of our more popular apps, but soon we hope to show more and roll it out across all our science websites. Let us know what you think via the link at the bottom of the app switcher. Popular Kew Science Apps

The editors of WCSP would first like to thank the users for the more than 1000 emails of feedback they send each year. These help greatly to correct the many mistakes and reassess taxonomy by questioning expert decisions. The compilers listed below are the people who compiled the provisional checklist from available literature and some herbarium consultation. This document is then expert reviewed. The family reviewers are listed below in order of when they reviewed the families with the most recent first. The information in brackets is as follows: (institute or place of residence, year of first contribution or review, specific taxonomic group or geographical region reviewed). We would also like to acknowledge our regional reviewers; Errol Vela (Université de Montpellier, for Algeria), Pablo Bermudez (Peru) & Domenico Lucarini (Italy). Key to status abbreviations & family reviewers