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": ""}
D-on Henson v     UNITED STATES LrW#o    ORCHIDACEAE rY :  Spiranthes f    $] (l.) ric.     Ht cernua 1343687 UM)9     3441 O4Q 4   &f -86.64749   ALGER zvAz   uB  Michigan  spiranthes cernua epG   
{"catalogNumber": "1343687", "order": "", "family": "Orchidaceae", "scientificName": "Spiranthes cernua", "scientificNameAuthorship": "(L.) Rich.", "genus": "Spiranthes", "subgenus": "", "specificEpithet": "cernua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "3441", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alger", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.64749", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}