Ficus carica (common fig).
Abstract Ficus carica, the common fig, is a rapidly growing tree that can spread by both seeds and cuttings, and if left unattended will form dense thickets that displace native trees and shrubs (Weber, 2003). It is known to be invasive to Australia and the western United States (Weber, 2003) since the introduction of its pollinator wasp to the USA in 1900 (Hanelt et al., 2001); in California's wildland, it is reportedly threatening the state's increasingly rare riparian forests (California Invasive Plant Council, 2014). The species is listed as "casual alien, cultivation escape, environmental weed, garden thug, naturalised, noxious weed, weed" in the Global Compendium of Weeds (Randall, 2012), but is not listed in the Geographical Atlas of World Weeds (Holm, 1979) and is currently considered a low-risk species according to a risk assessment of the species prepared for Hawaii (PIER, 2014). Re-evaluation is recommended in the future.