This research redefined and clarified the identity of an important fungal species, Trichoderma viride, which has been frequently misidentified in scientific literature. The study showed that what was thought to be a single species is actually several different but related species. This has important implications because these fungi are widely used in agriculture and industry. Impacts on everyday life: – Improved accuracy in identifying beneficial fungi used in agriculture and biological control – Better quality control for industrial processes using these fungi – More reliable research results when studying these organisms – Enhanced understanding of fungal diversity in natural environments – More effective use of these fungi in sustainable agriculture practices