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": ""}
 naGjas y      [smRv Norman C. Fassett  +y 29105 (SPRENG.) MAGNUS !4 vh    23.5611 @uC      var. KwZ0     hydrocharitaceae _>CE1      WC guadalupensis  -98.0563 JYoh   
{"catalogNumber": "", "order": "", "family": "Hydrocharitaceae", "scientificName": "", "scientificNameAuthorship": "(Spreng.) Magnus", "genus": "Najas", "subgenus": "", "specificEpithet": "guadalupensis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Norman C. Fassett", "recordNumber": "29105", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "23.5611", "decimalLongitude": "-98.0563", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}