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": ""}
 ROMUS c   P:5ci A. GRAY BROMUS KALMII5   1983-08-17 v    DELTA R5GCz   pD 1550 -87.19332 ?a     D POALES   ^ United States     q ca. 8 miles NW of Gladstone, Sec 6 T40N-R23W & Sec. 33 T41N-R23W.  hR kalmii POACEAE HO  1309748 J5k   +  c Michigan  pe don henson  
{"catalogNumber": "1309748", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus kalmii", "scientificNameAuthorship": "A. Gray", "genus": "Bromus", "subgenus": "", "specificEpithet": "kalmii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "1550", "verbatimEventDate": "1983-08-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "ca. 8 miles NW of Gladstone, Sec 6 T40N-R23W & Sec. 33 T41N-R23W.", "decimalLatitude": "", "decimalLongitude": "-87.19332", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}