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": ""}
42.280554  M.  976 N  -K i SCROPHULARIA MARILANDICA  Cwf/ SCROPHULARIA     rAN&, Michigan marilandica .Bn`=        8 -83.721919  1926-10-10 -@f   p  l. SCROPHULARIACEAE 2  D   z UNITED STATES  ann arbor; nichols arboretum >krG   1:_Gg 1481725   ANTON A. REZNICEK ==g  WASH&TENAW V 
{"catalogNumber": "1481725", "order": "", "family": "Scrophulariaceae", "scientificName": "Scrophularia marilandica", "scientificNameAuthorship": "L.", "genus": "Scrophularia", "subgenus": "", "specificEpithet": "marilandica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "976", "verbatimEventDate": "1926-10-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor; Nichols Arboretum", "decimalLatitude": "42.280554", "decimalLongitude": "-83.721919", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}