Two New Threatened Species of Psyllocarpus (Rubiaceae; Spermacoceae) from Eastern Brazil

Autor: do Carmo, João A. M., Sobrado, Sandra V., Salas, Roberto M., Simões, André O., Wojciechowski, Martin F
Zdroj: Systematic Botany, 2018 Jan 01. 43(2), 579-590.
Databáze: JSTOR Journals