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": ""}
    1950-08-11 JT    1142182 13SlP       black bluschy soil in chainge Pditch by a road   CH4RLES N. HORN ^I        Pontederiaceae uD3  mexico WXCC   M n@P HETERANTHERA    _ X axochiapan; axochiapan; 1/2 mi nw of axochiapan  2G7< (SW.) WILLD.   
{"catalogNumber": "1142182", "order": "", "family": "Pontederiaceae", "scientificName": "", "scientificNameAuthorship": "(Sw.) Willd.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Charles N. Horn", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1950-08-11", "habitat": "Black bluschy soil in chainge ditch by a road", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Axochiapan; Axochiapan; 1/2 mi NW of Axochiapan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}