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": ""}
 w?Y4N DICHANTHELIUM SPRETUM    1307356)FBTh  Poaceae      #j+  poales      #| 7 united states  1/M leroy h. harvey      -I Dichanthelium 1938-07-13 =  -84.20437 W!Nm       old bed of lake 16 ?  
{"catalogNumber": "1307356", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium spretum", "scientificNameAuthorship": "", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "", "verbatimEventDate": "1938-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "old bed of Lake 16", "decimalLatitude": "", "decimalLongitude": "-84.20437", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}