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": ""}
united states y se  Rosaceae         3PD HURON  +H ROSALES unionville. VR-b    1927-05-22 ?W9%  Ernest J. Palmer  tc   crataegus (0   qi Crataegus mollis  LO mollis    wS jQ MICHIGAN    _sOG R.R. Dreisbach    Z Woods.  (torr. & a. gray) scheele NLVm   C 4726
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "scientificName": "Crataegus mollis", "scientificNameAuthorship": "(Torr. & A. Gray) Scheele", "genus": "Crataegus", "subgenus": "", "specificEpithet": "mollis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Ernest J. Palmer", "recordedBy": "R.R. Dreisbach", "recordNumber": "4726", "verbatimEventDate": "1927-05-22", "habitat": "Woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Huron", "municipality": "", "locality": "Unionville.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}