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": ""}
hispidum X  jamaica ,    18437 p        T/v shrub aboutf 4 ft high     f x thicket  piper xX    Z > 76 t. g. 2yunc#ker  6oR$   Sw. - `       Q=&`` piperaceae
{"catalogNumber": "", "order": "", "family": "Piperaceae", "scientificName": "", "scientificNameAuthorship": "Sw.", "genus": "Piper", "subgenus": "", "specificEpithet": "hispidum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "T. G. Yuncker", "recordNumber": "18437", "verbatimEventDate": "", "habitat": "thicket", "occurrenceRemarks": "shrub about 4 ft high", "associatedTaxa": "", "country": "Jamaica", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "76", "maximumElevationInMeters": ""}