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": ""}
MICHIGAN 21     aristosum ?nQ27  POALES oaK    Vje occasional, hemlock-hardwoods   dh brachyelytrum aristosum  poaceae L    Z 8 brachyelytrum Edward G. Voss !    l IRON   bc near center E1/2 sec. 14, T44N, R37W, ca. 1 mi. SE of Elmwood   OI    46.21008 (MICHX.) TREL. HQ    = 1958-07-25  K 7686  5X -88.89216  1309432 k-hK     ANTON A. REZNICEK  blz; UNITED STATES
{"catalogNumber": "1309432", "order": "Poales", "family": "Poaceae", "scientificName": "Brachyelytrum aristosum", "scientificNameAuthorship": "(Michx.) Trel.", "genus": "Brachyelytrum", "subgenus": "", "specificEpithet": "aristosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Edward G. Voss", "recordNumber": "7686", "verbatimEventDate": "1958-07-25", "habitat": "occasional, hemlock-hardwoods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Iron", "municipality": "", "locality": "near center E1/2 sec. 14, T44N, R37W, ca. 1 mi. SE of Elmwood", "decimalLatitude": "46.21008", "decimalLongitude": "-88.89216", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}