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": ""}
   M qp carl a. purpus       ASTRAGALUS HELLERI 39   3ek 19.5223  -97.1892 RX   p helleri   Mexico v<g.      @g~ fabaceae      K veracruz  .< 1927-04
{"catalogNumber": "", "order": "", "family": "Fabaceae", "scientificName": "Astragalus helleri", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "helleri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl A. Purpus", "recordNumber": "", "verbatimEventDate": "1927-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Veracruz", "county": "", "municipality": "", "locality": "", "decimalLatitude": "19.5223", "decimalLongitude": "-97.1892", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}