The Royal Botanic Gardens, Kew has published its State of the World's Plants and Fungi 2026 report, revealing the scale of what remains undiscovered in the fungal kingdom. Fungi underpin nutrient cycling, forest connectivity, and food systems, yet the majority of species remain formally undescribed by science. The findings carry urgent implications for conservation, medicine, and food security at a time when fungal habitats face mounting pressure from land-use change and clim