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 KCak?    LM: caryophyllales  o edward g. voss      NS Rmex michigan  a     q dt 1972-07-14    middle island. 1wI   CN Rumex crispus -83.321359  V>DR      polygoaceae x5H0-   L. ui]  
{"catalogNumber": "", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex crispus", "scientificNameAuthorship": "L.", "genus": "Rumex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1972-07-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Middle Island.", "decimalLatitude": "", "decimalLongitude": "-83.321359", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}