Alternanthera bettzickiana (calico plant).

There are no published reports about the invasiveness of A. bettzickiana, a cultivated herb not known from the wild other than where escaped from cultivation. In most of the countries where it occurs, it is reported as an ornamental species (Missouri Botanical Garden, 2016). In Palau, although is listed as only planted near the Capitol, it is listed as a species of possible threat without further information (Space et al., 2009). In Texas it is not considered as a threat to native plant communities, although occasionally escaping to disturbed areas near where planted (Nesom, 2009). It is reported as a short-term escape for India (Sankaran et al., 2014) and common and not invasive in Taiwan (Wu et al., 2004). It is also escaped and naturalized in the British Virgin Islands, Costa Rica, Colombia, Dominican Republic, Peru and St. Lucia (D'Arcy, 1967; Graveson, 2012; Missouri Botanical Garden, 2016), but without further details.