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": ""}
Spirodela %   8_ah Spirodel4 polyrhiza   polyrhiza .    #E Alismatales  z1f MANANILLO      vvd> 1957-07-23   LN colima     JY&  A. Novelo Retana 18.9675 ]Y    `>l8t 15682 1139150 r[   ^ rogers mcvaugh   -104.104 9f 
{"catalogNumber": "1139150", "order": "Alismatales", "family": "", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "", "genus": "Spirodela", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. Novelo Retana", "recordedBy": "Rogers McVaugh", "recordNumber": "15682", "verbatimEventDate": "1957-07-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Colima", "county": "Manzanillo", "municipality": "", "locality": "", "decimalLatitude": "18.9675", "decimalLongitude": "-104.104", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}