Monster Tumbleweed Invades US – Geek.com
A hybrid species of giant tumbleweed once expected to go extinct is alive and well—and growing. Salsola ryanii, according to a study from the University of California Riverside, develops more “vigorously” than its parent plants thanks to a double set of their chromosomes. “[This] is a nasty species replacing other nasty species of tumbleweed in […]