[Cal-IPC] Australia Native, Invasiveness: Eucalyptus cladocalyx (sugargum) is a tree (family Myrtaceae) with white flowers and narrow leaves found in the central and south coast ranges of California. It is native to Southern Australia. It favors woodlands and grasslands. It propagates via seeds and is dispersed by wind. Cal-IPC Rating: Watch (link added by Mary Ann Machi)

[Wikipedia] Etymology: The specific epithet is taken from the Ancient Greek words klados, meaning branch, "twig" or "stem"[10]: 162  and kalyx, meaning "cup", "cover" or "outer envelope of a flower",[10]: 181  in reference to the leafless branchlets that bear the flowers. (link added by Mary Ann Machi)