Chris has a new paper out that helps explain why exotic chinese tallow plants recruit heavily in some areas at some times, but not in others. If we understand what controls “invasion pressure”, we can better allocate resources to controlling invasion of exotic plants.
Gabler CA, Siemann E (2013) Timing of favorable conditions, competition and fertility interact to govern recruitment of invasive Chinese tallow tree in stressful environments. PLoS ONE 8(8): e71446. doi:10.1371/journal.pone.0071446