Botanists are scouring the US-Mexico border to document a forgotten ecosystem split by a giant wall

Botanists and citizen scientists armed with the iNaturalist app on their smartphones are recording the biodiversity along the U.S.-Mexico border

​Botanists and citizen scientists armed with the iNaturalist app on their smartphones are recording the biodiversity along the U.S.-Mexico border Botanists and citizen scientists armed with the iNaturalist app on their smartphones are recording the biodiversity along the U.S.-Mexico border US