It's not an end-of-the-world scenario anymore, it's whether it's the end-of-that-article or not.
The Triffid II is an upgrade of the Triffid. As well as being a plant that eats human flesh, it also eats bones too! The Triffid II was made so that there would be no remains of corpses. A bomber dropped a box full of Triffid II's 10 years later after "The Day Of The Triffids".