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": ""}
    1960-05-14 rErX         k5ZS Cardamine diphylla ca. 8 mi. sw of ludington ;   D Ea9 BEECH-MAPLE WOODS ON MORAINE.   Michigan /;2     O7YT 9407      DIP.HYLLA q .l.  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Cardamine diphylla", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "diphylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "9407", "verbatimEventDate": "1960-05-14", "habitat": "Beech-maple woods on moraine.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "ca. 8 mi. SW of Ludington", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}