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": ""}
 marshall Lo   MISSISSIPPI  UNX>  asteraceae -   Zy2ql conyza canadensis  United States <  holly springs j  ASTERALES         canadensis 6M     GRPM 44873 ,l2y8  CONYZA n@%l    -# A.B. SEYMOUR  ~Bz. 1538184  h< t (L.) CRONQUIST 1891-09-24 H|,  
{"catalogNumber": "1538184", "order": "Asterales", "family": "Asteraceae", "scientificName": "Conyza canadensis", "scientificNameAuthorship": "(L.) Cronquist", "genus": "Conyza", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.B. Seymour", "recordNumber": "", "verbatimEventDate": "1891-09-24", "habitat": "", "occurrenceRemarks": "GRPM 44873", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "Marshall", "municipality": "", "locality": "Holly Springs", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}