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": ""}
 r walter n. koelz   B?n? marsh  1492772 e2vp   2  BURMANNIA DISTICHA  Dioscoreales &PG     1949-08-07   pynursla 2H   BURMANNIA ?      < east khasi hlls     Zsq`k 1219   =)R] 23434 L. <    6_ MEGHALAYA  burmanniaceae ( 
{"catalogNumber": "1492772", "order": "Dioscoreales", "family": "Burmanniaceae", "scientificName": "Burmannia disticha", "scientificNameAuthorship": "L.", "genus": "Burmannia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "23434", "verbatimEventDate": "1949-08-07", "habitat": "Marsh", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Pynursla", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}