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": ""}
 PLANTAE EXSICCATAE GRAYANAE [ANONYMOUS, PL. EXS. GRAAN.], 1 - 1500 OR MORE, ANONYMOUS, EXS #: 77 ] p     EFXaE MAINE     Merritt L. Fernald & Edward B. Chamberlain Jj   KENNEBEC  =B0&    1902-05-17 )U !       B C-B Vassalboro.  s.n. nDS    poales ? [   %vL CAREX UMBELLATA  5 ,e CAREX 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex umbellata", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Merritt L. Fernald & Edward B. Chamberlain", "recordNumber": "s.n.", "verbatimEventDate": "1902-05-17", "habitat": "", "occurrenceRemarks": "Plantae exsiccatae Grayanae [Anonymous, Pl. Exs. Grayan.], 1 - 1500 or more, Anonymous, exs #: 77", "associatedTaxa": "", "country": "", "stateProvince": "Maine", "county": "Kennebec", "municipality": "", "locality": "Vassalboro.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}