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": ""}
UNITED STATES _L   9pj charles f. wheeler  potamogetonaceae u   x/=X8 potamogeton richardsonii  1281727 c_    &2a t michigan  etroit river ~( 7     g ALQISMATALES POTAMOGETON mP      83.190626     1892-07-18 .)    RICHARDSONII t   (? wayne 
{"catalogNumber": "1281727", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton richardsonii", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "richardsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles F. Wheeler", "recordNumber": "", "verbatimEventDate": "1892-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "Detroit River", "decimalLatitude": "", "decimalLongitude": "-83.190626", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}