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": ""}
42.456686 (   mp~ united states     zi: bromus pu8escens      :B p pubescens  : Michigan       =h Muhl. ex Willd. -84.005246 ?prML    YpF george reserve s w woods 485 w i     & BROMUS  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Bromus pubescens", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Bromus", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "485", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "George Reserve S W Woods", "decimalLatitude": "42.456686", "decimalLongitude": "-84.005246", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}