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": ""}
     6=?E  sandy-loam soil; oak-pine association 1407178 #z+_    <@ ^ HARRIS    )%84 UNITED TATES  pqw catharticus POALES        u(W 4 Houston andQ vicinity     JL bromus caharticus  7$ V 3916     larry c. higgins pEiLQ   S.5v# 1971-03-31  @p:m vahl Texas BCz 
{"catalogNumber": "1407178", "order": "Poales", "family": "", "scientificName": "Bromus catharticus", "scientificNameAuthorship": "Vahl", "genus": "", "subgenus": "", "specificEpithet": "catharticus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Larry C. Higgins", "recordNumber": "3916", "verbatimEventDate": "1971-03-31", "habitat": "sandy-loam soil; Oak-Pine association", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Harris", "municipality": "", "locality": "Houston and vicinity", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}