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": ""}
 *  +4871 MEISN. zyW    mexicanus  BN-!2       RUMEX kLin   jV0 ONTARIO   O>.z% 1305302  I2 CARYOPHYLLALES 197808-26 ]s5   ANTON A. REZNICEK     QD~L CANADA     SIMCOE      M @ RUMEX MEXICANUS 
{"catalogNumber": "1305302", "order": "Caryophyllales", "family": "", "scientificName": "Rumex mexicanus", "scientificNameAuthorship": "Meisn.", "genus": "Rumex", "subgenus": "", "specificEpithet": "mexicanus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "4871", "verbatimEventDate": "1978-08-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}