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": ""}
-81.81079 a+B+d   United States d   O L! 1459820     VAR. F    ]gYe J. RETTIG  contact um herbarium )P Va    lucorum XBYGC   z^jp@ carex 3787 w5VNq   YX` a Carl J. Aothfels AVERY %%6FV    POALES ]|  carex lucorum var. austrolucorum 4     IB5^  2010-04-18 
{"catalogNumber": "1459820", "order": "Poales", "family": "", "scientificName": "Carex lucorum var. austrolucorum", "scientificNameAuthorship": "J. Rettig", "genus": "Carex", "subgenus": "", "specificEpithet": "lucorum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl J. Rothfels", "recordNumber": "3787", "verbatimEventDate": "2010-04-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Avery", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "-81.81079", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}