Iris is extensively grown as ornamental plant in home and botanical gardens. Many universities, museums, and botanical gardens maintain herbaria. The monotypic habitat occurs in both botanical and zoological contexts. Lederberg maintained a lifelong love of botany and botanical gardens. It maintains a database of rare and endangered species in botanical gardens' living collections. Rotorua is also home to botanical gardens and historic architecture. The green is in reflection of the neighbouring Royal Botanical Gardens. He planted tulips at the Vienna Imperial Botanical Gardens in 1573. Frankfurt is home to two major botanical gardens. The Professor Atilio Lombardo Museum and Botanical Gardens were established in 1902. It is in proximity to the Lalbagh Botanical Gardens. Five trees survive from the establishment of the botanical gardens in 1762. Others are simple derivatives of botanical natural products. Erodium is a genus of flowering plants in the botanical family Geraniaceae. It has been planted in the Americas but confined to botanical gardens.