The species invade outdoor mushroom beds after wood chips have decomposed by a primary saprotroph.

The species is also invading a rainforest in Australia, where it may be displacing the native species.

Some native plants and creatures could die out and other species could invade.

Altogether, researchers estimate that 50,000 species have invaded the United States as a result of human activities.

Invasive species such as star thistle, cheat grass, and teasel have invaded these areas.

Some exotic species which arrived as landscape plants now invade and threaten natural areas.

An alien transgenic species has invaded Earth while Duke has been fighting in space.

The new species of white fly could invade gardens, if not controlled at the source.

Many non-native species have invaded the park and continue to do so because of accidental and purposeful introduction by people.

Research is being conducted at Helen Springs to study how the species invades grazing lands.