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": ""}
puebla z    x= 18.606          poaceae JRPQJ   l| 1120322  (KUNTH) HENR.     Lomas de Alchichica; Matamoros   w7  1971-09-04 I   Digitaria ?    a. beetle & m. may G     DIGITARIA ADSCENDENS `0 
{"catalogNumber": "1120322", "order": "", "family": "Poaceae", "scientificName": "Digitaria adscendens", "scientificNameAuthorship": "(Kunth) Henr.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Beetle & M. May", "recordNumber": "", "verbatimEventDate": "1971-09-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Puebla", "county": "", "municipality": "", "locality": "Lomas de Alchichica; Matamoros", "decimalLatitude": "18.606", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}