Pterocephalus (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pterocephalus" in Spanish language version.

refsWebsite

Global rank Spanish rank

2books.google.com

3^rd place

7^th place

1theplantlist.org

480^th place

119^th place

713^th place

77^th place

books.google.com

Kriechbaum, Monika; Kletter, Christa (2001). Tibetan medicinal plants. Stuttgart: Medpharm. p. 270. ISBN 0-8493-0031-2.
George Don, Jr. (1834). A general system of gardening and botany. Founded upon Miller's Gardener's dictionary, and arranged according to the natural system. volume III (Calyciflorae). Gilbert and Rivington. p. 688.

theplantlist.org

Pterocephalus en PlantList

tropicos.org

«Pterocephalus». Tropicos.org. Missouri Botanical Garden. Consultado el 23 de octubre de 2013.