The Plant Crib was prepared to facilitate plant identification and recording of the British Flora, in particular providing guidance on problematic and difficult groups.
This is part of our Good Practice Guidance for Habitats and Flora, produced by Richard Jefferson, Dominic Price, Iain Diack, Steve Coates and Andy Mclay.
Reference: Rich, T.C.G . & Jermy, A.C. (2012) (reprint) Plant Crib 2nd ed, BSBI publications.