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": ""}
   greenland twp. corner rousseau & savela rds. sec. 4, t50n, r38w. N^        8m COARSE GRAVEL OVER RED CLAY; FULL SUN; W/ LOTUS CORNICULATA, CHRYSANTHEMUM LEUCANTHEMUM;    u "stms red; deep rhizomes. early flowering goldenrod; fls gold-yel."  N 1987-07-16    MICHIGAN O     AITON 8 `=U   united states )     
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Aiton", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1987-07-16", "habitat": "Coarse gravel over red clay; full sun; w/ Lotus corniculata, Chrysanthemum leucanthemum;", "occurrenceRemarks": "\"stems red; deep rhizomes. Early flowering goldenrod; fls gold-yel.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Greenland Twp. Corner Rousseau & Savela Rds. Sec. 4, T50N, R38W.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}