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": ""}
  Us euphorbia     M= euphorbia dioscoreoides subsp. attenuata    victor w. steinmann Txj   ] BARRANCA DE SANTA ROSA, 45 MILES NW OF GUADALAJARA  >LZv 10-12 IN. TALL ANNUAL; FEW   attenuata 8U  1161563 ]:p     MEXICO 1QoY       w0hB 1158  * dioscoreoides 
{"catalogNumber": "1161563", "order": "", "family": "", "scientificName": "Euphorbia dioscoreoides subsp. attenuata", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "dioscoreoides", "verbatimTaxonRank": "", "infraspecificEpithet": "attenuata", "identifiedBy": "Victor W. Steinmann", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "10-12 in. tall annual; few", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Barranca de Santa Rosa, 45 miles NW of Guadalajara", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1158", "maximumElevationInMeters": ""}