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": ""}
united states 9  dubia Y _V   <, 1334658 Heteranthera i     d~n Millpond.  hZ  (Jacq.) MacMill.     b=q  commelinales   ABOUT ALMA V<   charles a. davis 36_,o   08M>Q Anton A. Reznicek Gratiot @   =g -84.65758 Pontederiaceae W   < > HETERANTHERA DUBIA S.N. n^  1895-06-25 Y   %0+ g michigan   wBU`8 43.38095 
{"catalogNumber": "1334658", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera dubia", "scientificNameAuthorship": "(Jacq.) MacMill.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "dubia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1895-06-25", "habitat": "Millpond.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Gratiot", "municipality": "", "locality": "About Alma", "decimalLatitude": "43.38095", "decimalLongitude": "-84.65758", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}