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": ""}
1960-09-01 Hb  edward g. voss isx    xxP#X elymu    KZ9< RIPARIUS   WIEGAND a   MARQUETTE gmcp      o Mouth of Salmon Trout River Huron Mountain Club 1216578 [    Elymus riparius > Q33       -87.771373  G>   #wg poales  a.g. etter Q   7B Michigan
{"catalogNumber": "1216578", "order": "Poales", "family": "", "scientificName": "Elymus riparius", "scientificNameAuthorship": "Wiegand", "genus": "Elymus", "subgenus": "", "specificEpithet": "riparius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "A.G. Etter", "recordNumber": "", "verbatimEventDate": "1960-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Marquette", "municipality": "", "locality": "Mouth of Salmon Trout River Huron Mountain Club", "decimalLatitude": "", "decimalLongitude": "-87.771373", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}