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": ""}
 R m. s. young  alopecurus carolinianus wvf0v   P@ athens ry. track    g Al=opecurus   c26. 1404394   #v Poaceae    [ carolnianus    W POALES   .o% 1916-04-09  TEXAS P:;   K&L- walter   7X united states  34A Ldx   
{"catalogNumber": "1404394", "order": "Poales", "family": "Poaceae", "scientificName": "Alopecurus carolinianus", "scientificNameAuthorship": "Walter", "genus": "Alopecurus", "subgenus": "", "specificEpithet": "carolinianus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. S. Young", "recordNumber": "34a", "verbatimEventDate": "1916-04-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Athens Ry. track", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}