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": ""}
    united states ;D       :I l mark h. mayfield     /x MALPIGHIALES  Roadside V_@@   jefferson 0t1  John H. Elers 7     246384 ? Cw  euphorbia davidii 2Q#A   ~- EUPHORBIA   
{"catalogNumber": "1246384", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia davidii", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mark H. Mayfield", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "", "habitat": "Roadside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Jefferson", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}