Oak Park Conservatory groups ("Cereus", "Opuntia", and "Pereskia"), plus succulents including "Agave", "Crassula", succulent euphorbias, "Gasteria", "Haworthia", and "Kalanchoe". Woody plants in this room include olive, etrog, fig, date palm, bay and pomegranate. The conservatory's orchids and ferns collection holds orchids, Australian tree ferns and other tropic and sub-tropic fern species, as well as begonias, "Clivia", Ponderosa lemon, sea grape, "Strelitzia reginae", and "Syzygium". The rainforest collection includes "Anthurium", aroids, banana, cycads, dracaenas, ferns, fig trees, "Monstera deliciosa", palms (lady, fishtail, fan, and Canary Island date), papaya, "Peperomia", "Pilea", spider plants, as well as a pond with koi, goldfish, and turtles. In addition
Citrus × deliciosa traditional cultivars. This is the case of the PGI "Citrinos do Algarve". These characteristics and its time of maturity, which implies being little affected by "Ceratitis capitata", make Mediterranean mandarin recommended for organic farming. Citrus × deliciosa Citrus" × "deliciosa (thorny (Australia), amarillo, beladi, "Willowleaf Mandarin", "Mediterranean Mandarin") is a citrus hybrid mandarin orange with just under 6 % pumelo ancestry. It is related to the ponkan. It has been widely grown around the Mediterranean since it appeared in Italy (between 1810 and 1818), but was not found in the orient until it was exported there. It is one of