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": ""}
  ]d In sandy old field, now colonized by a diversity of oak barrens species. AssociaHtes: Achillea millefolium, Aristida purpurascens, Desmodium sessifolium, Digitaria cognata, Eragrostis spectabilis, Euphorbi4 corollata, Galium pilosum, Juniperus virginiana, Poa pratensis, Prunus serotina, Quercus velutina, Rubus flagellaris, Schizachyrium scoparium, Solidag0 juncea, Sympbyotrichum pilosum.       hGAX 2013-09-26  R  ~ Asclepias viridiflora   |, ~f VIRIDIFLORA united state5 *&y                
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Asclepias viridiflora", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "viridiflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2013-09-26", "habitat": "In sandy old field, now colonized by a diversity of oak barrens species. Associates: Achillea millefolium, Aristida purpurascens, Desmodium sessifolium, Digitaria cognata, Eragrostis spectabilis, Euphorbia corollata, Galium pilosum, Juniperus virginiana, Poa pratensis, Prunus serotina, Quercus velutina, Rubus flagellaris, Schizachyrium scoparium, Solidago juncea, Symphyotrichum pilosum.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}