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": ""}
 dichanthelium subvillosum TP$   ar poaceae Massachusetts aB  Dichanthelium % Zu     poales A      U West Roxbury  @B  42.278    5 subvillosum           7/mf^ (Ashe) Mohlenbr.
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium subvillosum", "scientificNameAuthorship": "(Ashe) Mohlenbr.", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "subvillosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Massachusetts", "county": "", "municipality": "", "locality": "West Roxbury", "decimalLatitude": "42.278", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}