schemas/VegCore/ERD/VegCore.ERD.mwb: taxon_observation: added primary_collector, to scope the collector_number. collectors: renamed to all_collectors for clarity, now that there is a primary_collector field.
schemas/VegCore/ERD/VegCore.ERD.mwb: taxon_observation: added primary_collector, to scope the collector_number. collectors: renamed to all_collectors for clarity, now that there is a primary_collector field.