Royal Society of Flora), founded in 1822, at the time of the United Kingdom of the Netherlands, was a botanical society in Brussels.
It was named after Flora, the Roman goddess of flowers and of the season of spring.
It is a successor of the Confrérie de Sainte Dorothée, founded in Brussels in 1660.
In 1935 it merged with the Société royale linnéenne de Bruxelles to form the Société royale linnéenne et de Flore de Bruxelles.
[1][2] They organised two yearly exhibitions, one in winter, in February, and the other in summer, in July.