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": ""}
  GuA Dahlem Envionmantal Center, Arboretum.     United States n4B   john h. guidinger s92)    0hn -84.432551  (fOM1 jackson   H*$ salix     ~mi: 1334823  1984-05-17  ^G]^   Height: 10'. EGV: Perhaps not pure? :KH   WETLANDS. ASSOCIATES: BUXNCH GRASS  bE  petiolaris 4%   ?1| t Malpighiales  MICHIGAN w;, 
{"catalogNumber": "1334823", "order": "Malpighiales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "petiolaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Guidinger", "recordNumber": "", "verbatimEventDate": "1984-05-17", "habitat": "Wetlands. Associates: Bunch grass", "occurrenceRemarks": "Height: 10'. EGV: Perhaps not pure?", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Jackson", "municipality": "", "locality": "Dahlem Environmantal Center, Arboretum.", "decimalLatitude": "", "decimalLongitude": "-84.432551", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}