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": ""}
 oliver a. farwell R-P+  UNITED STATES _AJn!  poaceae K   8146 =N     1%yNg OAKLAND      Z Muhl. ex Willd.    @ 7 [2ND GLUME 5-NERVED; UPPER SHEATHS GLABROUS EXCEPT AT SUMMIT]   bX@ Michigan    T0U r BROMUS PUBESCENS    0q X POALES bromus 7WM`   c~I6  PUBESCENS 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus pubescens", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Bromus", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "8146", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[2nd glume 5-nerved; upper sheaths glabrous except at summit]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}