Inlay

Invasive plants did not behave the same way everywhere. Across the continental U.S., harsh climates favored species more like natives, while mild climates favored more distinct plants, often flowering earlier. doi.org/hb5324

2/ ...Furthermore, given that microbes evolve quickly in stressful environments, those previously introduced to Mars could have mutated such that they are now distinct from their ancestral forms. If these are introduced back to Earth (rebound contamination) they would pose a novel bioinvasion risk.