Centaurea nigra subsp. rivularis (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Centaurea nigra subsp. rivularis" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

1floraiberica.es

8,848^th place

5,599^th place

713^th place

364^th place

floraiberica.es

Castroviejo, S. (coord. gen.). 1986-2012. Flora iberica 1-8, 10-15, 17-18, 21. Real Jardín Botánico, CSIC, Madrid.

tropicos.org

Tropicos.org. Missouri Botanical Garden. 7 de Outubro de 2014 <http://www.tropicos.org>