Either that, or what we have here is another academic with too much free time on his hands:

Radio 4’s Gardeners’ Question Time accused of being a vehicle to project ‘racist’ leanings

British people talking about plants? Clearly, that’s racist!

“The distinction that gets made between native species and non-native species and this kind of policing of what belongs and what does not belong I think is symptomatic of a kind of desire to defend the fantasy of the national space.”

Meh.