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": ""}
HEXANDRA M L   ?? DICHORISANDRA HEXANDRA       17.9147 8         Standl. in Standl. & S.Calderon ->p        B  paul c. standley    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Dichorisandra hexandra", "scientificNameAuthorship": "Standl. in Standl. & S.Calderon", "genus": "", "subgenus": "", "specificEpithet": "hexandra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Paul C. Standley", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "17.9147", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}