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": ""}
holosteum      Clarke 2  Holosteum umbellatum c8C   Waste places N  Arthur Cronquist $21J    MTH ATHENS; WAS&TE PLACES AT EDGE OF UNIVERSITY CAMPUS    P L. UMBELLATUM sP,mi   +[8 244   90 Caryophyllales    Caryophyllaceae [|x6    qOP^$ united states 1564744 r^      H| 4223   
{"catalogNumber": "1564744", "order": "Caryophyllales", "family": "Caryophyllaceae", "scientificName": "Holosteum umbellatum", "scientificNameAuthorship": "L.", "genus": "Holosteum", "subgenus": "", "specificEpithet": "umbellatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Arthur Cronquist", "recordNumber": "4223", "verbatimEventDate": "", "habitat": "Waste places", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Clarke", "municipality": "", "locality": "Athens; Waste places at edge of University campus", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "244", "maximumElevationInMeters": ""}