Before revision:  We demonstrate that the - often overlooked - spatially extended but short-lived excitonic delocalization across RC and LH units plays a relevant role in general photosynthetic systems, as it causes a redistribution of direct absorption towards the charge separation unit.
After revision:  We demonstrate that the - often overlooked - spatially extended but short-lived excitonic delocalization across RC and LH pigments results in a redistribution of direct absorption towards the charge separation unit.