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": ""}
 : Emery C. Leomard     gigantea xL  Arundinaria r<Cat   ; Virginia contact um herbarium #     = POACEAE   ze UNTED STAT3S   143 Q 1406163 M!    qk ARUNDINARIA GIGANTEA SUBSP. MACROSPERMA SUBSP. D`   k/km 1921-05-03   2=z!H poales   `H8 (Michx.) McClure   b4C=4 MACROSPRMA 
{"catalogNumber": "1406163", "order": "Poales", "family": "Poaceae", "scientificName": "Arundinaria gigantea subsp. macrosperma", "scientificNameAuthorship": "(Michx.) McClure", "genus": "Arundinaria", "subgenus": "", "specificEpithet": "gigantea", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "macrosperma", "identifiedBy": "", "recordedBy": "Emery C. Leonard", "recordNumber": "143", "verbatimEventDate": "1921-05-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}