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": ""}
 Prunus angustifolia A~-       b FENCE ROW IN SANDY SOIL    9 15853      #9 MARSHALL        J. Rohrer      :s9~ thickets. [close to prunus angustifolia but far north of range. not p. cerasifera. j. rohrer, univ of wisc. -eauclaire 2002].  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Prunus angustifolia", "scientificNameAuthorship": "Marshall", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J. Rohrer", "recordedBy": "", "recordNumber": "15853", "verbatimEventDate": "", "habitat": "Fence row in sandy soil", "occurrenceRemarks": "Thickets. [Close to Prunus angustifolia but far north of range. Not P. cerasifera. J. Rohrer, Univ of Wisc. -EauClaire 2002].", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}