Stephan Friedrich Ladislaus Endlicher, also known as Endlicher István László, was an Austrian botanist, numismatist and Sinologist. He was a director of the Botanical Garden of Vienna.

Charles von Hügel, sometimes spelt in English Huegel, was an Austrian nobleman, army officer, diplomat, botanist, and explorer, now primarily remembered for his travels in northern India during the 1830s. During his lifetime he was celebrated by the European ruling classes for his botanical garden and his introduction of plants and flowers from New Holland (Australia) to Europe's public gardens.