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": ""}
ipomoea hX4N   IlX E United States  VAR. !ui    HEDERIFOLIA 6.cIN   convolvulaceae DL   e no data V. Havard vW    [a 884   Y1(I; 1460676  (L.) A. GRAY $;]   s.n. c+          w>2;  Ipomoa coccinea var. bederitolia 
{"catalogNumber": "1460676", "order": "", "family": "Convolvulaceae", "scientificName": "Ipomoea coccinea var. hederifolia", "scientificNameAuthorship": "(L.) A. Gray", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "hederifolia", "identifiedBy": "", "recordedBy": "V. Havard", "recordNumber": "s.n.", "verbatimEventDate": "1884", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "no data", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}