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": ""}
 pfc<m MICHIGAN 42.316297 y3     l. dt  WASHTENAW tjU     ZQ y2 asteraceae  t+~N helian7hus decapetalus       z<`p DECAPETALUS    n Helianthus   huron river drive at foster's.  Aj   JOHN H. EHLERS L ;    
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Helianthus decapetalus", "scientificNameAuthorship": "L.", "genus": "Helianthus", "subgenus": "", "specificEpithet": "decapetalus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Huron River Drive at Foster's.", "decimalLatitude": "42.316297", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}