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 C. Johnston $=o    * CONTACT UM HERBARIUM  Gyv ERYNGIUM SERRATUM apiales jr0  ST.LAG. ,_xJn      .eu< MEXICO 1955-07-07  g     l MEXICO serratum oe   M.E. Mathias 2O  Eryngium C|Qa;  APACEAE 0      yczCf 1273772     2648 1  
{"catalogNumber": "1273772", "order": "Apiales", "family": "Apiaceae", "scientificName": "Eryngium serratum", "scientificNameAuthorship": "St.Lag.", "genus": "Eryngium", "subgenus": "", "specificEpithet": "serratum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M.E. Mathias", "recordedBy": "Marshall C. Johnston", "recordNumber": "2648", "verbatimEventDate": "1955-07-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Mexico", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}