The BBCH-scale (weed) identifies the phenological development stages of weed species. It is a plant species specific version of the BBCH-scale.
D = Dicotyledons<br> G = Gramineae<br> M = Monocotyledons<br> P = Perennial plants<br> V = Development from vegetative parts or propagated organs<br> No code letter is used if the description applies to all groups of plants.