Michаel Frаnkis ha marcado «File: Cabbage tree.jpg» como fiable en la página «Cordyline australis (Forst. (eol.org)
Auroras — both the aurora borealis in the Northern Hemisphere and the aurora australis in the Southern Hemisphere — appear when charged particles from the sun, carried by a solar wind, run headlong into the Earth's own magnetically charged atmosphere. (discovermagazine.com)
In their study of native and non-native sub-species of P. australis on both continents, they also found that herbivores feed upon the native Phragmites in North America at a much greater rate than on the invasive Phragmites. (sciencedaily.com)