Analysis of information sources in references of the Wikipedia article "亚美尼亚黑莓" in Chinese language version.
<ref>标签用不同内容定义了多次It escaped cultivation and has since invaded a variety of sites, including low-elevation streamside areas throughout the Pacific Northwest. Listed as a noxious weed in Oregon, Himalayan blackberry rapidly occupies disturbed areas, is very difficult to eradicate once established, and tends to out-compete native vegetation. For those trying to restore or enhance native streamside vegetation, Himalayan blackberry control is a major problem.
<ref>标签用不同内容定义了多次<ref>标签用不同内容定义了多次<ref>标签用不同内容定义了多次<ref>标签用不同内容定义了多次It escaped cultivation and has since invaded a variety of sites, including low-elevation streamside areas throughout the Pacific Northwest. Listed as a noxious weed in Oregon, Himalayan blackberry rapidly occupies disturbed areas, is very difficult to eradicate once established, and tends to out-compete native vegetation. For those trying to restore or enhance native streamside vegetation, Himalayan blackberry control is a major problem.