BBC News Published Botanic gardens in Scotland have helped to identify dozens of new species under lockdown. A rhododendron from the mountains of Vietnam has become the 73rd species to be identified as "new to science" since March 2020. Royal Botanic Garden Edinburgh (RBGE) and its international partners have continued to work behind closed doors. It said the teams were continuing to identify more than one new plant every week during the Covid pandemic. image copyrightRBGE image captionOne of the three new Zingiberaceae (gingers) new to science - Globba luteola The latest species - rhododendron tephropeploides - was collected by an international team of scientists and horticulturists from Scotland, England, Vietnam, the USA and Canada in 2014.