image: Gentianella hirculus is a species endemic in Ecuador. This material relates to a paper that appeared in the 22 Dec. 2017, issue of Science, published by AAAS. The paper, by C. Ulloa Ulloa at Missouri Botanical Garden in St. Louis, Mo., and colleagues was titled, "An integrated assessment of the vascular plant species of the Americas." view more
Credit: C. Ulloa