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": ""}
IN SANDY DITCH, ALONG WEEDY OLD-FIELD EDGE. Vc1   exigua P   0 allegan   !+ Michigan  Z zrX 43   ,Hs[ -86.0995           %e united states Salix Gu5   ALLEGAN STATE GAME AREA; 2 MILES S OF FENNVILLE. 120'< W OF 57TH ST., 15' N OF 120TH AVE.  ;     : Salix exigua   ?<* WILLIAM S. MARTINUS  42.5645 Yyf 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Salix exigua", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "exigua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William S. Martinus", "recordNumber": "843", "verbatimEventDate": "", "habitat": "In sandy ditch, along weedy old-field edge.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "Allegan State Game Area; 2 miles S of Fennville. 120' W of 57th St., 15' N of 120th Ave.", "decimalLatitude": "42.5645", "decimalLongitude": "-86.0995", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}