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": ""}
 x3k5 poales WILLD. EX DOELL rYY   PASPALUM Zx4d7   dS  1960-09-30     , C0ntact UM Herb4rium   1127714 UBQ&  19654 )-ay   UtAx mexico   ROGERS MCVAUGH 2 hB2   CONVEXUM M      T.R. SODERSTROM  66      0 6  poaceae PASPALUM CONVEXUM  ?+  
{"catalogNumber": "1127714", "order": "Poales", "family": "Poaceae", "scientificName": "Paspalum convexum", "scientificNameAuthorship": "Willd. ex Doell", "genus": "Paspalum", "subgenus": "", "specificEpithet": "convexum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "T.R. Soderstrom", "recordedBy": "Rogers McVaugh", "recordNumber": "19654", "verbatimEventDate": "1960-09-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}