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": ""}
   asperifolia  @   MICHX. 4_         oryzopsis BZ?i          1aSw united states   IN DEEP DUFF OF MAPLE FOREST OVER SAND SOIL AT DGE OF ENTRANCE TO LARGE LIMESTONE CAVE SYSTEM. OCCASIONAL IN LARGE TUFTS, WITH MILIUM EFFUSUM AND DRYOPTERIS SP. |Nr`3  460 T   1239382 ` 
{"catalogNumber": "1239382", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Oryzopsis", "subgenus": "", "specificEpithet": "asperifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "460", "verbatimEventDate": "", "habitat": "In deep duff of maple forest over sandy soil at edge of entrance to large limestone cave system. Occasional in large tufts, with Milium effusum and Dryopteris sp.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}