Carol I of Romania
After Maximilian's incarceration in June 1867, he briefly served in Lacroma (a small island in the Adriatic Sea), before going into the service of "Domnitor", later King Carol I of Romania, as Director of Gardens and Professor of Botany at the Bucharest School of Agriculture. He was knighted "Cavaler al Ordinului Coroanei României" (Knight of the Order of the Romanian Crown) by Carol I of Romania on 17 January 1883.