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    D^ nw1/4se1/4 sect 21 tA11n r8w   !o viburnum acerifolium  ,SCV J0HN W. BUNC3  ,:Sd 212  gEa5 OPEM SANDY POPPLE &  RED OAK. SCATTERED SPRAWLING SHRUBS. COMMON. "1-3 1/2'. Old stems red-black with promin. lenticels. New growth somewhat hirsute, pedicel much less so. Fls. ceam, long filiments." a3 >    43.32987 l1   gb nw1/4se1/4 sect 21 t11n r8w  1G0  montcalm 1246700 9tz$       AKA -85.2737 1974-06-09 <    L. ]r   MICHIGAN R<   acerifolium > 
{"catalogNumber": "1246700", "order": "", "family": "", "scientificName": "Viburnum acerifolium", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "acerifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John W. Bunce", "recordNumber": "212", "verbatimEventDate": "1974-06-09", "habitat": "Open sandy popple & red oak. Scattered sprawling shrubs. Common.", "occurrenceRemarks": "\"1-3 1/2'. Old stems red-black with promin. lenticels. New growth somewhat hirsute, pedicel much less so. Fls. cream, long filiments.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Montcalm", "municipality": "", "locality": "NW1/4SE1/4 Sect 21 T11N R8W", "decimalLatitude": "43.32987", "decimalLongitude": "-85.2737", "verbatimCoordinates": "NW1/4SE1/4 Sect 21 T11N R8W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}