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": ""}
 K Caryophyllales   X,k4 630 united states Ko^j   N. sid of tracks. About 30 km SW wof Hillsdale. &8m  occasional along railroad tracks. +< x!   L.;k -84.81578     /& polygonaceae  i6igD RUMEX CRISPUS  S crispus 1469616 u+xH     0 1988-06-12 HILLSDALE  sa   Z0& & peter w. fritsch    Cx=M L.  michigan .%8lX   pKJFH Rumex  a 6  41.774121
{"catalogNumber": "1469616", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex crispus", "scientificNameAuthorship": "L.", "genus": "Rumex", "subgenus": "", "specificEpithet": "crispus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter W. Fritsch", "recordNumber": "630", "verbatimEventDate": "1988-06-12", "habitat": "Occasional along railroad tracks.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Hillsdale", "municipality": "", "locality": "N. side of tracks. About 30 km SW of Hillsdale.", "decimalLatitude": "41.774121", "decimalLongitude": "-84.81578", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}