Hassemer G, Rønsted N.

The critically endangered Saint Helena endemic Plantago robusta (Plantaginaceae): typification, complete morphological account and discussion of knowledge gaps

. Phytotaxa [Internet]. 2020 Nov. 12 [cited 2025 Dec. 17];471(2):127–138. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.471.2.3