Task: Text Simplification
Input (English): The Angiosperm Phylogeny Group , or APG , is an informal international group of systematic botanists who collaborate to establish a consensus on the taxonomy of flowering plants ( angiosperms ) that reflects new knowledge about plant relationships discovered through phylogenetic studies .
Output (English): The Angiosperm Phylogeny Group ( APG ) is an informal international group of botanists who came together to try try and get a consensus on the taxonomy of flowering plants ( angiosperms ) .