These findings have significant implications for forensic investigation protocols, particularly the collection
and interpretation phases of trace evidence analysis. The distribution of pollen around a room ensures that
viable sources of trace pollen are available for transfer if contact is made between a location in the room
and a suspect. The persistence of pollen many days after the flowers have been removed from a room indicates that many rooms in domestic dwellings will have distinctive assemblages that reflect the history of
the flowers that have been displayed within that room in the past, and that these assemblages will persist
and therefore be available for transfer. These preliminary findings indicate that investigation by forensic palynology in indoor domestic settings may well be an underutilised technique that has the potential to provide
accurate and valuable intelligence and evidence for forensic enquiry.