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": ""}
POTAMOGETON W=o   1910-07-01 t-v   TUCK. ikO    Hyl-2 Black river SOUTH HAVEN zUO6   sS|G Alismatales     ?5  -86.273621 42.402916 U  "infrequent" 8n  van buren hEp =      potamogeton amplifolius aP  Michigan ;i  1280071 2`.8   31 l.h. pennington  .m united states  potamogetonaceae ;Y 0= 
{"catalogNumber": "1280071", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton amplifolius", "scientificNameAuthorship": "Tuck.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L.H. Pennington", "recordNumber": "", "verbatimEventDate": "1910-07-01", "habitat": "Black river", "occurrenceRemarks": "\"infrequent\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "South Haven", "decimalLatitude": "42.402916", "decimalLongitude": "-86.273621", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}