Ruige rudbeckia (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ruige rudbeckia" in Dutch language version.

refsWebsite

Global rank Dutch rank

713^th place

625^th place

607^th place

1,143^rd place

732^nd place

747^th place

ars-grin.gov

npgsweb.ars-grin.gov

Germplasm Resources Information Network (GRIN), USDA, ARS, National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. geraadpleegd op 28. april 2016.

efloras.org

Lowell E. Urbatsch, Patricia B. Cox: Rudbeckia. In: Flora of North America Editorial Committee (Hrsg.): Flora of North America North of Mexico, Volume 21 – Magnoliophyta: Asteridae (in part): Asteraceae, part 3, Oxford University Press, New York und Oxford, 2006, ISBN 0-19-530565-5

tropicos.org

legacy.tropicos.org

Aantal chromosomen