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": ""}
2502  UM  EUPHORBIA RADIANS x   MEXICO S    5 CHIHUAHUA  radians 9H     Malpighiales L G  plateau, arid. grassland. in loose earth beteen rcks. uy@8I       ON$ EUPHORBIACEAE  Bfasuchil,N.of.About 10 mi.N.W.of Minaca |   M.H. MAYFIELD  6k  Euphorbia  oZe/     no data  |w 
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia radians", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "radians", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M.H. Mayfield", "recordedBy": "", "recordNumber": "2502", "verbatimEventDate": "", "habitat": "Plateau, arid. Grassland. In loose earth between rocks.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chihuahua", "county": "no data", "municipality": "", "locality": "Basuchil,N.of.About 10 mi.N.W.of Minaca", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}