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": ""}
 OBTUSIFOLIUS mfuz+  e.s. george reserve. grid d-8, southwest woods     E Rumex  z H Polygonaceae  in oak-hickory woods. soil: sandy loam. associes: desmodium nudiflorum, carex convoluta, hackelia virginiana. :,skm   : s LIVINGSTON L.  HDt    &AEw 1961-07-23 1560105 qB    N F 937 42.4457 j>   y[Sv JARL K. HILTUNEN    O^m -84.01614    6 UNITED STATES  _R>k CARYOPHYLLALES   RUMEX OBTUSIFOLIUS i6   f3: Michigan
{"catalogNumber": "1560105", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex obtusifolius", "scientificNameAuthorship": "L.", "genus": "Rumex", "subgenus": "", "specificEpithet": "obtusifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jarl K. Hiltunen", "recordNumber": "937", "verbatimEventDate": "1961-07-23", "habitat": "In oak-hickory woods. Soil: sandy loam. Associes: Desmodium nudiflorum, Carex convoluta, Hackelia virginiana.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "E.S. George Reserve. Grid D-8, Southwest Woods", "decimalLatitude": "42.4457", "decimalLongitude": "-84.01614", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}