When Oscar Wilde visits his wife's grave near Genoa, the headstone states "Wife of Oscar Wilde". It originally stated only "Constance Mary, daughter of Horace Lloyd, Q.C." and "Wife of Oscar Wilde" was not added until later.
When Oscar is walking through Kensington Gardens, London, (seen as a wooded park) with his wife Constance and their baby in a pram, a part of the sculpture "Physical Energy" was in view. This sculpture of a horse and rider was erected in 1907, however Oscar died in 1900, so this was not possible.