This article is re-posted from M0YMA’s personal blog (originally posted 12th January 2016)
When the World Flora Fauna program was first established, the Directory appears to have put together with limited knowledge of the UK’s designated areas.
Originally, reference GFF-121 was defined as Castle Bottom – which is assumed to have meant the small area designated as a National Nature Reserve.
Previously, as adding new references was nigh on impossible, the GFF Committee extended and clarified the scope of GFF-121 to include all 13 separate Sites of Special Scientific Importance (SSSIs) within the wider Thames Basin Heaths SPA.
Subsequently, after representation from potential activators, some standalone parts of the SPA were granted their own GFF/WWFF references: