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": ""}
(DESV. EX HAM.) B.F. HANSEN & WUNDERLIN TX  HUGH O'NEILL K&  Dichanthelium portoricense /N7)      ub.yJ Poales   +Rx.= 1930-08-28   PORTORICEMSE .sprz      6763 B[w   .0H8 CONTACT UM HERBARIUM  UNITED STATES b c>9  poaceae (<8e    AK dichanthelium     Bb Hillsborough 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium portoricense", "scientificNameAuthorship": "(Desv. ex Ham.) B.F. Hansen & Wunderlin", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "portoricense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hugh O'Neill", "recordNumber": "6763", "verbatimEventDate": "1930-08-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Hillsborough", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}