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": ""}
 XS.x: Deptb of Water: 2(1-5) ft. Bottom: muck  _<nQ:@ -85.204128  S!- UNITED STATES  MP tubbs lake  "ABUNDANT" [?-LEAVES TENDING TO BE BROADER AND SHORTER THAN USUAL FOR N. FLEXILIS.] ,o8   OLIVACEA EVu       [JOR4 43.713512 VAR. 3X721   hydrocharitaceae *4gv     j. funk  W^    ?@D Mecosta   K> p! 1304626  MpA najas guadalupensis var. olivacea  =/ (ro5enSd. & butters) r.r. haynes & hellq.  1940-07-20 `NW  
{"catalogNumber": "1304626", "order": "", "family": "Hydrocharitaceae", "scientificName": "Najas guadalupensis var. olivacea", "scientificNameAuthorship": "(Rosend. & Butters) R. R. Haynes & Hellq.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "olivacea", "identifiedBy": "", "recordedBy": "J. Funk", "recordNumber": "", "verbatimEventDate": "1940-07-20", "habitat": "Depth of Water: 2(1-5) ft. Bottom: muck", "occurrenceRemarks": "\"abundant\" [?-leaves tending to be broader and shorter than usual for N. flexilis.]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Mecosta", "municipality": "", "locality": "Tubbs Lake", "decimalLatitude": "43.713512", "decimalLongitude": "-85.204128", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}