Danger of Japanese barberry "Ecological threat"
Honeysuckle -- invasive or not?
Honeysuckle: A well behaved beauty
Invasive, exotic plants threaten biodiversity
Japanese stilt grass and Voles
On the wild side: Invasives
Oregon Grape Holly
Pretty, green and a problem
When is being green not the same as sustainability?
Wild ‘raspberries’ great for eating, not planting