In 1935, weeping lovegrass was planted in Oklahoma to stop erosion; one strain later covered 2 million acres, and studies found lower plant diversity

Weeping lovegrass was planted from 1935 to stop erosion and spread widely, but a 1999 study found 42 fewer plant species in its plots than in native grassland.

MediaNews shows the headline and summary published by the outlet. The full article is on the publisher's website. (www.hindustantimes.com)