The scheme is still widely used, in either the original form or in adapted versions, but many botanists are adopting the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II.
The system as laid out in An Integrated System of Classification of Flowering Plants (1981) counts 321 families and 64 orders:
He's No Shrinking Violet! Family Day out Take One Seriously Mischievous Grandpa. Add an Imaginative Grandson. Throw in a Magic Shrinking Cap and Watch Grandpa Turn into the Biggest Child of the Lot as the Show Grandpa in My Pocket Comes to the Stage for the First Time
Jun 28, 2013; THERE'S a treat in store for young fans of the hit CBeebies television show Grandpa in my Pocket as it's about to hit the Cardiff...