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": ""}
Rubus biformispinus b v   1G Rosaceae NEW HAMPSHIRE 7=#iJ      m. p. widrlechner Rx$Dc    ]U^9 contact um herbarium    dA$j United States   JX2 BLANCH.   G biformispinus   GRAFTON 7  M. L. Fernald  ?a      1461357 !(  1917-08-15 $s 
{"catalogNumber": "1461357", "order": "", "family": "Rosaceae", "scientificName": "Rubus biformispinus", "scientificNameAuthorship": "Blanch.", "genus": "", "subgenus": "", "specificEpithet": "biformispinus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "M. L. Fernald", "recordNumber": "", "verbatimEventDate": "1917-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "New Hampshire", "county": "Grafton", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}