mappings/DwC2-VegBIEN.specimens.csv, VegCSV-VegBIEN.specimens.csv: eventDate: collectiondate mapping: Removed _dateRangeStart filter because the eventDate (obsstartdate) is only valid as the date the specimen was collected if it is a single date, not a date range. (It is still valid as the obsstartdate/obsenddate if it's a range.)
mappings/DwC2-VegBIEN.specimens.csv, VegCSV-VegBIEN.specimens.csv: eventDate: collectiondate mapping: Removed _dateRangeStart filter because the eventDate (obsstartdate) is only valid as the date the specimen was collected if it is a single date, not a date range. (It is still valid as the obsstartdate/obsenddate if it's a range.)