<orgName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0016789 http://d-nb.info/gnd/7655437-5">Botanischer Garten</orgName> in <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0008236 https://www.geonames.org/498817"><choice> <abbr>St.</abbr> <expan>Sankt</expan> </choice> Petersburg</placeName>, <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>d</abbr> <expan>den</expan> </choice> <date xmlns="http://www.tei-c.org/ns/1.0" when="1829-05-12" calendar="#julian #gregorian">30 April/12 Mai</date>