“INVASIVE SPECIES”

Plants & Restoration: “Where is it at home?” vs. “Where is it from?”

In pursuit of an approach based less on ideology and more on real world dynamics

Fireweed, at observed in Mt. Hood National Forest in Oregon, 2013. Photo by the author.

In 1912, Albert Thellung (1881–1928), a Swiss botanist, was one in a long line of people who proposed a taxonomy to differentiate various types of native and non-native plants, and though his system never caught…