Polyarrhena (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Polyarrhena" in English language version.

refsWebsite

Global rank English rank

4,125^th place

9,546^th place

low place

8,293^rd place

sanbi.org

redlist.sanbi.org

"Species list: Polyarrhena". SANBI Threatened Species Programme.

zobodat.at

Grau, J. (1970). "Die Gattung Polyarrhena Cass. (Asteraceae — Asterinae)" (PDF). Mitteilungen der Botanischer Staatssammlung München. VII: 347–368. Retrieved 2018-01-20.