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": ""}
       muhl. M[k        anton a. reznicek 3   PANICUM j+0     "scarce, a few patches in more densely vegetated areas of the upper shore; plants spreading and diffuse." ZZ       Panicum verrucosum y  Allegan zd /K  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Panicum verrucosum", "scientificNameAuthorship": "Muhl.", "genus": "Panicum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Scarce, a few patches in more densely vegetated areas of the upper shore; plants spreading and diffuse.\"", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}