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": ""}
  L Heteranthera  COMMELINALES >~P      HETERANTHERA DUBIA Sr.   1991-08-03 &#1K(     ?-8h$ FM 8n1 AT CIBOLO CREEK. E OF PANNA MARIA  1659752 =G+      TEXAS JX  (Jacq.) MacMill. 0DI     D UNITED STATES CHARLES N. HORN V  PONTEDERIACEAE d_5p 
{"catalogNumber": "1659752", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera dubia", "scientificNameAuthorship": "(Jacq.) MacMill.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles N. Horn", "recordNumber": "", "verbatimEventDate": "1991-08-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "FM 81 at Cibolo Creek. E of Panna Maria", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}