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": ""}
ca. 2 mi. S of Amasa, around east end of Gibson Lake  4S  1987-08-21 1   _  DON HENSON (NUTT.) FISCH. & C.A. MEY. _uK   9 2409  minima _OkQB      4pQ michigan   united states$K3   CiH 1350180  Iron =>h?   -88.44019 f]   malpighiales jt20  ELATINACEAE xFhv   :L 46.195868  Ea growing in shallow water  5y> ELATINE    gu elatine minima
{"catalogNumber": "1350180", "order": "Malpighiales", "family": "Elatinaceae", "scientificName": "Elatine minima", "scientificNameAuthorship": "(Nutt.) Fisch. & C.A. Mey.", "genus": "Elatine", "subgenus": "", "specificEpithet": "minima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "2409", "verbatimEventDate": "1987-08-21", "habitat": "growing in shallow water", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Iron", "municipality": "", "locality": "ca. 2 mi. S of Amasa, around east end of Gibson Lake", "decimalLatitude": "46.195868", "decimalLongitude": "-88.44019", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}