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": ""}
 Xu) 1941-06-01   Lous K. Ludwig dm    (C GROWING ON A DRY SANDY STERILE HILLSIDE   ]b bromus   POALES ,   8ikm Bromus inermis [LUDWIG HERBARIUM SPECIMENS DESTROYED] (AB      j 1309648     michigan *]l(K   Livingston I~ Ml     LEYSS.  9k2x[ 
{"catalogNumber": "1309648", "order": "Poales", "family": "", "scientificName": "Bromus inermis", "scientificNameAuthorship": "Leyss.", "genus": "Bromus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis K. Ludwig", "recordNumber": "", "verbatimEventDate": "1941-06-01", "habitat": "Growing on a dry sandy sterile hillside", "occurrenceRemarks": "[Ludwig herbarium specimens destroyed]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}