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": ""}
  xm Sagittaria demersa alismataceae _ 3f   AGUASCALIENTES MGk    permanently wet depressions in level grassland, ab^undant in water up toB 30 cm. deep. inflorescence and upper part of leaves emersed, flowers white. m  l       17153 q$%_I          #) J.G. Sm.    Alismatales  Ru9  
{"catalogNumber": "", "order": "Alismatales", "family": "Alismataceae", "scientificName": "Sagittaria demersa", "scientificNameAuthorship": "J.G. Sm.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "17153", "verbatimEventDate": "", "habitat": "Permanently wet depressions in level grassland, abundant in water up to 30 cm. Deep. Inflorescence and upper part of leaves emersed, flowers white.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Aguascalientes", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}