"This is what happens when introduced plants are left to go rampant in their new environment." He said, keeping an eye on their surroundings as he walked, "Most plant species in city parks aren't native varieties, they're imported, and most of them are quote unquote female, because of the brighter colors and the flowers that everyone's so fond of."
He shrugged, "Of course, left to go on their own, they'll take over, especially if they're any form of bamboo or fruit-producing plant."