First report of Melaleuca williamsii subsp. synoriensis in Italy
In Italy, Melaleuca williamsii subsp. synoriensis (Myrtaceae) was first found in Rome along the banks of the river Tevere in February 2023. This is the first discovery of the taxa outside its native range (East Australia). M. williamsii subsp. synoriensis was found growing among the cracks in a quay. The specimen was observed flowering and fruiting. For Italy, M. williamsii subsp. synoriensis is considered a casual alien species.
Sources
Iamonico D, Nicolella G (2024) First record of the woody Melaleuca williamsii s.l. (Myrtaceae) out of its native range. Acta Botanica Croatica 83(2), 8 pp. https://doi.org/10.37427/botcro-2024-019