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": ""}
Depth of water 2-4 ft. Bottom type sand. >    ? variegata  United States  gPm   MICHIGAN  Vy   1938-07-12 `B    a4` 1302129  Nymphaeaceae ]  -89.08509 g   L46.2249R59   o  nuphar NUPHAR VARIEGATA x   Durand gK=f   W5 nymphaeales   imp lake.  `R[.      H. Kilpela CYrqw  
{"catalogNumber": "1302129", "order": "Nymphaeales", "family": "Nymphaeaceae", "scientificName": "Nuphar variegata", "scientificNameAuthorship": "Durand", "genus": "Nuphar", "subgenus": "", "specificEpithet": "variegata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Kilpela", "recordNumber": "", "verbatimEventDate": "1938-07-12", "habitat": "Depth of water 2-4 ft. Bottom type sand.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Imp Lake.", "decimalLatitude": "46.224959", "decimalLongitude": "-89.08509", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}