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": ""}
L. ZkW  POLYGONACEAE  i   UNITED STATES f T8  anton a. reznicek u       IN CASUGALLY MAINTAINED FLOWER BED, MOSTLY SHADED, IN SANDY LOAM. 8n    wH 1517918  gL -85.99507   >D/T russell g. schipper  2017-0-25 x  1073 9B-7;     0KSJ RUMEX      qG;s michigan
{"catalogNumber": "1517918", "order": "", "family": "Polygonaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Rumex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Russell G. Schipper", "recordNumber": "1073", "verbatimEventDate": "2017-06-25", "habitat": "In casually maintained flower bed, mostly shaded, in sandy loam.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-85.99507", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}