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": ""}
   Y MAINE Beach of Aroostook Rive, Fort Fairfield ?i         p  richardsonis   6+ MUHLENBERGIA RICHARDSONIS s.n. c  (TRIN.) RYDB. F    0 Dlq E. F. WILLIAMS, B. L. ROBINSON, M. L. FERNALD Poales $    MW 1418101   &WYHf muhlenbergia   5/ L- United States  Ey~N 1901-08-14   _SfW Poaceae  B aroostook
{"catalogNumber": "1418101", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia richardsonis", "scientificNameAuthorship": "(Trin.) Rydb.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "richardsonis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. F. Williams, B. L. Robinson, M. L. Fernald", "recordNumber": "s.n.", "verbatimEventDate": "1901-08-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maine", "county": "Aroostook", "municipality": "", "locality": "Beach of Aroostook River, Fort Fairfield", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}