CLIFF CUDWEED AT SPECIFIC RANK IN PSEUDOGNAPHALIUM (ASTERACEAE: GNAPHALIEAE)

Autor: Ballard,, Harvey E., Feller, Danielle Sky, Nesom, Guy L.
Zdroj: SIDA, Contributions to Botany, 2004 Dec . 21(2), 777-779.
Databáze: JSTOR Journals