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": ""}
 S 25  H PHYLLIS J. HIGMAN  ? "assoc.: centaurea maculosa, poa compressa, ambrosia artemisiifolia,s panicum capillare" UNITED STATES ObgO  (Hack.) Fernald bK%(d    /k CENCHRUS    g 44.6777   y eSO poales   diFXz Crawford   Y -84.71753    ?=R0P 1993-09-15       Z^b  se corner of airort outside the fence. t26n r03w, sec. 6 s9e1/4 sw1/4 Michigan  ~    /` LONGISPINUS  = DISTURBED DRY NORTHERN FOREST; ROADSIDE RIGHT-OF-WAY, MOIST GRAVELLY SAND, FULL SUN. INFREQUENT.
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "(Hack.) Fernald", "genus": "Cenchrus", "subgenus": "", "specificEpithet": "longispinus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Phyllis J. Higman", "recordNumber": "425", "verbatimEventDate": "1993-09-15", "habitat": "Disturbed Dry Northern Forest; roadside right-of-way, moist gravelly sand, full sun. Infrequent.", "occurrenceRemarks": "\"Assoc.: Centaurea maculosa, Poa compressa, Ambrosia artemisiifolia, Panicum capillare\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Crawford", "municipality": "", "locality": "SE corner of Airport outside the fence. T26N R03W, Sec. 6 SE1/4 SW1/4", "decimalLatitude": "44.6777", "decimalLongitude": "-84.71753", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}