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": ""}
 [S 11539  l Infrequent perennial, in limestone soil  DALEA nC     n  greggii     8. warnock ZUkrh     rr DALEA GREGGII  1154576 C85        N a. gray  a8L FABACEAE FABALES LZ     
{"catalogNumber": "1154576", "order": "Fabales", "family": "Fabaceae", "scientificName": "Dalea greggii", "scientificNameAuthorship": "A. Gray", "genus": "Dalea", "subgenus": "", "specificEpithet": "greggii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "B. Warnock", "recordNumber": "11539", "verbatimEventDate": "", "habitat": "Infrequent perennial, in limestone soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}