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": ""}
I. M. JOHNST. >N=   610 oL< #       ?LKhn 1894-05-07   pc Kerr    s_X7 TEXANA  1714 g4jdF   ! a. arthur heller  xr / 1645621 Euphorbiaceae <L(  at Kerrville  23xM   o. STILLINGIA  texas Gd       STILLINGIA TEXANA ~I 
{"catalogNumber": "1645621", "order": "", "family": "Euphorbiaceae", "scientificName": "Stillingia texana", "scientificNameAuthorship": "I. M. Johnst.", "genus": "Stillingia", "subgenus": "", "specificEpithet": "texana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Arthur Heller", "recordNumber": "1714", "verbatimEventDate": "1894-05-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "Kerr", "municipality": "", "locality": "at Kerrville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}