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": ""}
 K7 Plantago arenaria Sheldon V$=vv  1242982 p U  OLIVER A. FARWELL ,#y)f  -83.47762   2.27584 n,y     MIGHIGAN  XCF    WALDST. & KIT. ot-RA    Lamiales ;]GNJ   EtwVm plantago Plantaginaceae i%vD,    / 1931-7-21   ] 8947 WAYNE p@b    ARENARIA 7   [CIT3D PAP.MICH.ACAD. 23:132.1938] Ep  united states e 
{"catalogNumber": "1242982", "order": "Lamiales", "family": "Plantaginaceae", "scientificName": "Plantago arenaria", "scientificNameAuthorship": "Waldst. & Kit.", "genus": "Plantago", "subgenus": "", "specificEpithet": "arenaria", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "8947", "verbatimEventDate": "1931-07-21", "habitat": "", "occurrenceRemarks": "[Cited Pap.Mich.Acad. 23:132.1938]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "Sheldon", "decimalLatitude": "42.27584", "decimalLongitude": "-83.47762", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}