Symphytum officinale (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Symphytum officinale" in Italian language version.

refsWebsite

Global rank Italian rank

2web.archive.org

1^st place

1^st place

1plantsoftheworldonline.org

3,195^th place

221^st place

1books.google.com

3^rd place

14^th place

2^nd place

7^th place

1researchgate.net

120^th place

267^th place

books.google.com

(EN) Cronquist A., An integrated system of classification of flowering plants, New York, Columbia University Press, 1981, ISBN 9780231038805.

doi.org

(EN) The Angiosperm Phylogeny Group, An update of the Angiosperm Phylogeny Group classification for the ordines and families of flowering plants: APG IV, in Botanical Journal of the Linnean Society, vol. 181, n. 1, 2016, pp. 1–20.

plantsoftheworldonline.org

(EN) Symphytum officinale, in Plants of the World Online, Board of Trustees of the Royal Botanic Gardens, Kew. URL consultato il 6/2/2020.

researchgate.net

https://www.researchgate.net/publication/289697853_Flowers_ecology_and_pollen_output_of_Symphytum_officinale_L

web.archive.org

Tavole di Botanica sistematica, su dipbot.unict.it. URL consultato il 20 gennaio 2009 (archiviato dall'url originale il 14 maggio 2011).
Plants For A Future, su pfaf.org. URL consultato il 20 gennaio 2009 (archiviato dall'url originale il 15 maggio 2009).