Wang C-H, Liu Z-E, Li Y, Wang X-F.

A new species Rubia urceolata (Rubiaceae: Rubieae) from Shennongjia National Park, central China

. Phytotaxa [Internet]. 2018 Jun. 26 [cited 2025 Dec. 6];357(3):220–224. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.357.3.7