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": ""}
 dO Spreading shrub about 2.5 m high under red oak, almost completely covered with Vitis sp.  6 CRATAEGUS  uG= Roy E. Gereau -84.866595 Sh%M   1982-05-29 z          (Lodd. ex Loudon) Eggl. O   WO Rosaceaue       975 l_D ?     
{"catalogNumber": "", "order": "", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "(Lodd. ex Loudon) Eggl.", "genus": "Crataegus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Roy E. Gereau", "recordNumber": "975", "verbatimEventDate": "1982-05-29", "habitat": "Spreading shrub about 2.5 m high under red oak, almost completely covered with Vitis sp.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.866595", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}