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": ""}
 w.a. matthews |B   -4:Vg 2968   GMCU cyperaceae   42.398778 RXP   -78.184599 ^      v0 MOSS LAKE.   w< allegany rhynchospora G1     NEW YORK Ax5  1929-08-22 YFz     UNITED STATES *    xs (L.) VAHL
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "(L.) Vahl", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.A. Matthews", "recordNumber": "2968", "verbatimEventDate": "1929-08-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "New York", "county": "Allegany", "municipality": "", "locality": "Moss Lake.", "decimalLatitude": "42.398778", "decimalLongitude": "-78.184599", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}