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": ""}
 MEXICO :N 2  D.E. STONE & J.W. WALKER z    d.e.stone I     DF CONTACT UM HERBARIUM 2136 jh   Veracruz Y+utf  Fagales Tw  1200226 rP5  mexicana ?BT.L  Alfaroa .r]         Juglandaceae 6s   ALFAROA MEXICANA Srp[  1966-03-1 ]A   
{"catalogNumber": "1200226", "order": "Fagales", "family": "Juglandaceae", "scientificName": "Alfaroa mexicana", "scientificNameAuthorship": "D.E.Stone", "genus": "Alfaroa", "subgenus": "", "specificEpithet": "mexicana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D.E. Stone & J.W. Walker", "recordNumber": "2136", "verbatimEventDate": "1966-03-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Veracruz", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}