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": ""}
F.R.Waller & Morden H      1939-07-22 7w     1126912  g;(p  panicum $ z  7558 5    H. CONTACT UM HERBARUM    PANICUM TAMAULIPENSE N   Wn 5c poaceae  UED@L Virginius H. Chase  +Nb~V tamaulipense    3&a MEXICO   7 Poales  FLOYD R. WALLER, JR. ` 
{"catalogNumber": "1126912", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum tamaulipense", "scientificNameAuthorship": "F.R.Waller & Morden", "genus": "Panicum", "subgenus": "", "specificEpithet": "tamaulipense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Floyd R. Waller, Jr.", "recordedBy": "Virginius H. Chase", "recordNumber": "7558", "verbatimEventDate": "1939-07-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}