Additionally, F. pardalis has been introduced to Réunion and Mauritius, while F. oustaleti has been introduced to near Nairobi in Kenya.
Furcifer willsii can be found in central Madagascar, with a type locality of west Imerina Imady, in the forest region.
Pollen's name is commemorated in the species epithet's of the Comoros Olive Pigeon (Columba pollenii), of the Pollen's Vanga (Xenopirostris polleni), of the Mayotte chameleon (Furcifer polleni), and the Madagascar coastal skink (Madascincus polleni).