Ratibida columnifera (French Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ratibida columnifera" in French language version.

refsWebsite

Global rank French rank

438^th place

1,120^th place

1books.google.com

3^rd place

11^th place

books.google.com

(en) James L. Stubbendieck, Stephan L. Hatch et L. M. Landholt, North American Wildland Plants : A Field Guide, University of Nebraska Press, 2003, 280–281 p. (ISBN 978-0-8032-9306-9, lire en ligne)

usda.gov

plants.usda.gov

(en) « Ratibida columnifera », sur plants.usda.gov (consulté le 29 janvier 2020).