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": ""}
 u SPIKELETS GREENISH OR PALE TAN    GYPERACEAE X^38@    W  Poales    18.7427 TrZw      ? Common on sandy roadside seepage    N 25463 -95.9382 `  (ALL.) ROEM. & SCHULT. A Pnu  1965-08-13 R6b  annua EdEM         
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "(All.) Roem. & Schult.", "genus": "", "subgenus": "", "specificEpithet": "annua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "25463", "verbatimEventDate": "1965-08-13", "habitat": "Common on sandy roadside seepage", "occurrenceRemarks": "spikelets greenish or pale tan", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "18.7427", "decimalLongitude": "-95.9382", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}