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": ""}
United States :    W70# 1930-11-14     m 1411708  W< P walteri   (Pursh) A. Heller ^bP     3733 6C  florida O$Eg  contact um herbarium e`   POALES i    ISJ james b. mcfarlin     4T echinochloa    9 echinochloa walt3ri 
{"catalogNumber": "1411708", "order": "Poales", "family": "", "scientificName": "Echinochloa walteri", "scientificNameAuthorship": "(Pursh) A. Heller", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "walteri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James B. McFarlin", "recordNumber": "3733", "verbatimEventDate": "1930-11-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}