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": ""}
von wolf *b2       poaceae   L^   eragrostis s    eragrostis i^+   e. k. janaki W)!P   Waste Land 6 Y[]  Poales y    1706980 <q/      Gh Tamil Nadu   mh 1932-03-12  
{"catalogNumber": "1706980", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis", "scientificNameAuthorship": "von Wolf", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. K. Janaki", "recordNumber": "", "verbatimEventDate": "1932-03-12", "habitat": "Waste Land", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Tamil Nadu", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}