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": ""}
 HETERANTHERA V$orSa  Commelinales um&b    0&k) charles n. horn   bIW 9 1067  6mT 1 HETERANTHERA LIMOSA   q 67      tx]*x BLACK BLUSCHY SOIL IN CHAINGE DITCH BY A ROAD  nR  limosa    $P) 1950-08-11       C_t 1 -98.7569  
{"catalogNumber": "", "order": "Commelinales", "family": "", "scientificName": "Heteranthera limosa", "scientificNameAuthorship": "", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "limosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Charles N. Horn", "recordedBy": "", "recordNumber": "67", "verbatimEventDate": "1950-08-11", "habitat": "Black bluschy soil in chainge ditch by a road", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-98.7569", "verbatimCoordinates": "", "minimumElevationInMeters": "1067", "maximumElevationInMeters": ""}