schemas/VegCore/VegCore.ERD.mwb: added reobservable_presence, which allows a vouchered taxon_presence (e.g. a set of aggregate_observations) to have taxon redeterminations
schemas/VegCore/VegCore.ERD.mwb: added reobservable_presence, which allows a vouchered taxon_presence (e.g. a set of aggregate_observations) to have taxon redeterminations