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": ""}
 ALLEGAN STATE GAME AREA, CA. 4 MILES SE OF ALEGAN, AT TROWBRIDGE DAM, ON THE E SIDE OF 28TH STREET AT THE KALAMAZOO RIVER. ~PoNK  Hteranthera oubia roa0d     x VZ Anton A. Reznicek   *Tw pontederiaceae dubia $Db+4   1197  ?     LQ united states  7Y -85.7961   HETERANTHERA 1    OVNm IN SHALLOW, CA. 7-12 INCHES OF WATER ADJACENT TO THE BOAT RAMP. WITH STUCKENIA FILIFORMIS. IN Â± QUIET, SILTY WATER.  Fe^#P 1517872  michigan (  42.48218 vNg5,   / RUSSELL G. SCHIPPER  
{"catalogNumber": "1517872", "order": "", "family": "Pontederiaceae", "scientificName": "Heteranthera dubia", "scientificNameAuthorship": "", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "dubia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Russell G. Schipper", "recordNumber": "1197", "verbatimEventDate": "", "habitat": "In shallow, ca. 7-12 inches of water adjacent to the boat ramp. With Stuckenia filiformis. In \u00c2\u00b1 quiet, silty water.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Allegan State Game Area, ca. 4 miles SE of Allegan, at Trowbridge Dam, on the E side of 28th Street at the Kalamazoo River.", "decimalLatitude": "42.48218", "decimalLongitude": "-85.7961", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}