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": ""}
   ca 14 miles nw of bad axe, wilderness arboretum (a tract 120 acres, of alternating sand ridges and shallow swales in hume twp)  7B            i ht9 amphibia       PERSICARIA AMPHIBIA ,ALnt        M 43.997504 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Persicaria amphibia", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "amphibia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "ca 14 miles NW of Bad Axe, Wilderness Arboretum (a tract 120 acres, of alternating sand ridges and shallow swales in Hume Twp)", "decimalLatitude": "43.997504", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}