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": ""}
Solanum triquetrum ?+e&M   d AMOS A. HELLER      a.$np 1399 1437657 S7G  texas ,2w.1  SOLANACEAE KM     Solanum ?#$    solanales x       A united states  x CONTACT UM HERBARIUM  cav. Rg  NUECES  b_<6  triquetrum n   
{"catalogNumber": "1437657", "order": "Solanales", "family": "Solanaceae", "scientificName": "Solanum triquetrum", "scientificNameAuthorship": "Cav.", "genus": "Solanum", "subgenus": "", "specificEpithet": "triquetrum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Amos A. Heller", "recordNumber": "1399", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Nueces", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}