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": ""}
sapindaes ;; yg     1302960 W         L a few trees; "Single stem about 10 m x 20 cm. Both staminate and pistillate f|owers present."    1G Michigan -84.81657 /RV     k+0# wet soil among glacial till at edge of corn field      l.      g^m acer saccharinum 
{"catalogNumber": "1302960", "order": "Sapindales", "family": "", "scientificName": "Acer saccharinum", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "wet soil among glacial till at edge of corn field", "occurrenceRemarks": "a few trees; \"Single stem about 10 m x 20 cm. Both staminate and pistillate flowers present.\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.81657", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}