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": ""}
  `i6M 1439778   >mV>  37452       w# POLYGONUM  < Delzie Demaree phillips m]       r SUBSP. (Meisn.) Arcang. : o]V   _~? POLYGONACEAE United St4tes 5   :9j<N contact um herbarium  4D 4RKANSAS  8 AVICULARE     C- Caryophyllales polygonum aviculare subsp. depressum 4X ei 
{"catalogNumber": "1439778", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum aviculare subsp. depressum", "scientificNameAuthorship": "(Meisn.) Arcang.", "genus": "Polygonum", "subgenus": "", "specificEpithet": "aviculare", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Delzie Demaree", "recordNumber": "37452", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Phillips", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}