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": ""}
myrtales P&      contact um herbarium H2      TX  Mexico Lythraceahe G   .Y 1262541     iI 1972-07-27 mexico wLBWI   _x   willd. exO koehne     1~/i aequipetala      1896  vr    .B shirley a. graham
{"catalogNumber": "1262541", "order": "Myrtales", "family": "Lythraceae", "scientificName": "", "scientificNameAuthorship": "Willd. ex Koehne", "genus": "", "subgenus": "", "specificEpithet": "aequipetala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Shirley A. Graham", "recordedBy": "", "recordNumber": "1896", "verbatimEventDate": "1972-07-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Mexico", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}