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": ""}
     ;(WlW 15  HARRIS @NO   1921-12-20 6!#)-  ALTERNIFOLIUS ROd`Z   l [`I CYPERACEAE  george l. fisher <:V   eP;  Cyperus Texas xh   POALES ;@J+,     X Cyperus alternifolius  v4[v s.n.  3wf HOUSTON.      
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus alternifolius", "scientificNameAuthorship": "", "genus": "Cyperus", "subgenus": "", "specificEpithet": "alternifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Fisher", "recordNumber": "s.n.", "verbatimEventDate": "1921-12-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "Harris", "municipality": "", "locality": "Houston.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "15", "maximumElevationInMeters": ""}