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": ""}
 *R ?# 1964-07-31   -83.969862 G: f         PH rotundifolium DC. ~-M      united states Oo*&  DESMODIUM ROTUNDIFOLIUM sU        1334 g;     john d. ambrose   AM Sandy hilltop at edge of oak woods
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Desmodium rotundifolium", "scientificNameAuthorship": "DC.", "genus": "", "subgenus": "", "specificEpithet": "rotundifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John D. Ambrose", "recordNumber": "1334", "verbatimEventDate": "1964-07-31", "habitat": "Sandy hilltop at edge of oak woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-83.969862", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}