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": ""}
saltonstall, p. m. peterson & soreng |y   S=UBSP. aJo    Ba phragmites australis subsp. americanus      ~ 8 POALES PHRAGMITES oW   1987-07-17 n   Y michigan ROADSIDE DITCH 1/4 MI. S. OF LAKE AVALON RD. ea |@  united states r-j       t~>LL 1307900 2 mi. n. of town of hillman on e. side of co. rd. 451. hillman twp. :@ l      
{"catalogNumber": "1307900", "order": "Poales", "family": "", "scientificName": "Phragmites australis subsp. americanus", "scientificNameAuthorship": "Saltonstall, P. M. Peterson & Soreng", "genus": "Phragmites", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1987-07-17", "habitat": "Roadside ditch 1/4 mi. S. of Lake Avalon Rd.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "2 mi. N. of town of Hillman on E. side of Co. Rd. 451. Hillman Twp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}