Springbrook Rainforest Project, Australia: Aristea ecklonii
(Blue Stars) from South Africa and Madagascar belongs to an
emerging and insidious new class of shade-tolerant weeds
invading undisturbed habitats. Its densely clumping, lightblocking
habit, vigorous rhizomatous growth and rapid spread
over large areas is difficult to control and can eventually lead to
displacement of entire forests. (Case study 11