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 @4 contortus   / TEXAS united states CPW  (L.) BEAUV. EX ROEMER & J.A. SCHULTE5 ;##v>     Heteropogon xr  contact um herbarium ib*   1415814 u      1933-04-09 Mmib#     rs poaceae  4%h  847  HETEROPOGON CONTORTUS <u     oX[c# Hidalgo  
{"catalogNumber": "1415814", "order": "", "family": "Poaceae", "scientificName": "Heteropogon contortus", "scientificNameAuthorship": "(L.) Beauv. ex Roemer & J.A. Schultes", "genus": "Heteropogon", "subgenus": "", "specificEpithet": "contortus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "847", "verbatimEventDate": "1933-04-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Hidalgo", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}