Part of the Special Operations Network, SO-32 is the Horticultural Enforcement Agency, also known as 'Weeds & Seeds.'
From the official SpecOps website: "Japanese Knotweed must be destroyed - heavy fines for unlicensed owners. Water feature suitability inspections undertaken. New for 2001: a crack squad to prune unlicensed or outsize Leylandii. Special report on the outlawed Pampas Grass Vigilante Squad and Join in our National survey on the most acceptable plural form of Narcissus."