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": ""}
    SCARCE, GRAVEL SHORE. 71<,+      middle island. N  1469639 B/    9REs` -83.321359 rumex crispus Ia       1972-07-14 6  CARYOPHYLLALES O!x7    POLYGONACEAE Ezo    !xV rumex 
{"catalogNumber": "1469639", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex crispus", "scientificNameAuthorship": "", "genus": "Rumex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1972-07-14", "habitat": "Scarce, gravel shore.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Middle Island.", "decimalLatitude": "", "decimalLongitude": "-83.321359", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}