Complex sentence: After his return he succeeded Friedrich Vaupel as curator of the Botanical Garden and took care of cacti and other succulents in the herbarium and was incharge of the scientific reviews of the stocks in the greenhouses of the Botanical Garden.
Split into simpler sentences: After his return he succeeded Friedrich Vaupel as curator of the Botanical Garden and took care of cacti and other succulents in the herbarium. He was in charge of the scientific reviews of the stocks in the greenhouses of the Botanical Garden.