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": ""}
   =h Gravel   EUPHORBIA efo_        8 B UNITED STATES   *yY EUPHOBIA VERMICULATA   F`( 1973-08-12  euphorbiaceae rg    o michigan     VERMICULATA  9V6    D John W. Bunce 
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia vermiculata", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "vermiculata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John W. Bunce", "recordNumber": "", "verbatimEventDate": "1973-08-12", "habitat": "Gravel", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}