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": ""}
 42.48218 ;F      8VD IN SHALLOW, CA. 7-12 INCHES OF WATER ADJACENT TO THE BOAT RAMP. WITH STUCKENIA FILIFORMIS. IN Â± QUIET, SILTY WATER.  ))R 1517872   K*t heteranthera    y1197 Y  pontederiaceae   03   %0[ C michigan russell g. schipper G       _ Heteranthera dubia   A  allegan state game area, ca. 4 miles se ofu allegan, at tr owbridge dam, on the e side of 28th street at the kalamazoo river. $ v;tQx ANTON A. REZNICEK   O Y dubia United States y#   -85.7961 <Jtp  
{"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": ""}