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": ""}
Michigan z       ODYwg wulfen   4G Maaple Bay, Douglas Lake -84.726972 B2p    # [cf. al5o ehlers 627|]    1921-08-16 EA0_       ~F)ud 1779 1281546 5(zq       yr. POTAOGETONACEAE  
{"catalogNumber": "1281546", "order": "", "family": "Potamogetonaceae", "scientificName": "", "scientificNameAuthorship": "Wulfen", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1779", "verbatimEventDate": "1921-08-16", "habitat": "", "occurrenceRemarks": "[cf. also Ehlers 6271]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Maple Bay, Douglas Lake", "decimalLatitude": "", "decimalLongitude": "-84.726972", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}