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": ""}
1958-05-31 x    1472062 h  Montiaceae c 4Z&         edward g. voss G6H@       ysua CLAYTONIA  Caryophyllales O;R Y      aiv  Ray J. Dav|s   c wl michx.  frequent, hemlock-hardwotods. mYw@   u united states
{"catalogNumber": "1472062", "order": "Caryophyllales", "family": "Montiaceae", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Claytonia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Ray J. Davis", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1958-05-31", "habitat": "Frequent, hemlock-hardwoods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}