Research at the Royal Botanical Gardens, Kew is organised into two teams I: Alismatids and Lilioids and II: Commelinids.
[1] A similar approach is taken by Judd in his Plant systematics.
[2] Cladogram showing the orders of monocots (Lilianae sensu Chase & Reveal)[3] based on molecular phylogenetic evidence according to the Angiosperm Phylogeny Group IV (APG IV).
Petrosaviales Dioscoreales Pandanales Liliales Asparagales
By contrast, the Alismatales is a much larger grouping, with about 13 families, 165 genera and about 4,500 species.