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": ""}
  pontederiace ae -&s+       Zb)/ united states  iiu DUBIA edwar4d g. voss xC@&]    330 RZ40   heteranthera  *DRm  Morrisom Lake rt   -85.21102 8J6  42.86097 f)   :n% HETERANTHERA DUBIA   +OWI 1941-07-24  O Ionia  J&> (jacq.) macmill.  @oS Commelinales  ] depth of water 2-5' bottom: marl, pulpy peat 
{"catalogNumber": "", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera dubia", "scientificNameAuthorship": "(Jacq.) MacMill.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "dubia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "", "recordNumber": "330", "verbatimEventDate": "1941-07-24", "habitat": "Depth of Water 2-5' Bottom: Marl, Pulpy peat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Ionia", "municipality": "", "locality": "Morrison Lake", "decimalLatitude": "42.86097", "decimalLongitude": "-85.21102", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}