Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
 MdDXg John K. Morton & Joan M. Venn  ?bC juncus brachycephalus        (3ngelm.) Buchenau 1Xa   @Z#5 1977-08-25    ontario m      U4N? CANADA 1447156 F  brachycephalus pkfH;   53ys bruce contact um herbarium jYg   t8uncus /G1 `   
{"catalogNumber": "1447156", "order": "", "family": "", "scientificName": "Juncus brachycephalus", "scientificNameAuthorship": "(Engelm.) Buchenau", "genus": "Juncus", "subgenus": "", "specificEpithet": "brachycephalus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John K. Morton & Joan M. Venn", "recordNumber": "", "verbatimEventDate": "1977-08-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Bruce", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}