HASSEMER, G.

Plantago hatschbachiana (Plantaginaceae), a critically-endangered new species from sandstone grasslands in Brazil, and an updated identification key to Plantago in Brazil and Paraguay

. Phytotaxa, Auckland, New Zealand, v. 278, n. 2, p. 141–152, 2016. DOI: 10.11646/phytotaxa.278.2.4. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.278.2.4. Acesso em: 6 dec. 2025.