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": ""}
 ZLyN 1508751   $c (L.) ELLIOTT  Vermont  R,   S.N. Rk-y   r^8jU fred h. horsford  b 1880-08-28   no data f C   ! B 8 G RPM 40869  onagraceae !%z   palustris id    : CONTACT UM HERBARIUM United States -)f;     n. myrtales   LUDWIGIA PALUSTRIS B   Ludwigia k? 
{"catalogNumber": "1508751", "order": "Myrtales", "family": "Onagraceae", "scientificName": "Ludwigia palustris", "scientificNameAuthorship": "(L.) Elliott", "genus": "Ludwigia", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Fred H. Horsford", "recordNumber": "s.n.", "verbatimEventDate": "1880-08-28", "habitat": "", "occurrenceRemarks": "GRPM 40869", "associatedTaxa": "", "country": "United States", "stateProvince": "Vermont", "county": "no data", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}