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": ""}
Howard S. Gentry [j    Rancho Byerly, Sierra Charuco m$x   B  -) SEROTINA  &B& CHIHUAHUA     1948-04-17 W       qW mexico  1768 YZ^   D% Prunus serotina subsp. virens      d&;U 8037   ROSACEAE [k16c 
{"catalogNumber": "", "order": "", "family": "Rosaceae", "scientificName": "Prunus serotina subsp. virens", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "serotina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "8037", "verbatimEventDate": "1948-04-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chihuahua", "county": "", "municipality": "", "locality": "Rancho Byerly, Sierra Charuco", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1768", "maximumElevationInMeters": ""}