Some original park trees from the 1870s survive and include a number of rare species such as the Chinese necklace poplar, Populus lasiocarpa.
Populus | Populus tremuloides | Populus tremula | Abies lasiocarpa | Populus alba | Populus nigra | Populus fremontii | Populus sect. Aigeiros | ''populus Romanus'' (Roman people) | ''Populus nigra'', originating in the United States from plantings by André Michaux | Populus lasiocarpa | Populus deltoides |