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": ""}
     h7 Mexico   ^D ` paul a.E fryxell   .Uy Maclura tinctoria D.Don ex Steud. F      /_T moraceae tinctoria:gM   c 1981-05-21  t( contact um herbarium  RWhmB MACLURA    S 3530  R6aW: 1267|96  q0m9r ROSALES  san lui;s potosi |   
{"catalogNumber": "1267196", "order": "Rosales", "family": "Moraceae", "scientificName": "Maclura tinctoria", "scientificNameAuthorship": "D.Don ex Steud.", "genus": "Maclura", "subgenus": "", "specificEpithet": "tinctoria", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Paul A. Fryxell", "recordNumber": "3530", "verbatimEventDate": "1981-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "San Luis Potosi", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}