Picea engelmannii mexicana (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Picea engelmannii mexicana" in Italian language version.

refsWebsite

Global rank Italian rank

1iucnredlist.org

88^th place

77^th place

182^nd place

6^th place

215^th place

4^th place

6,321^st place

6,238^th place

394^th place

103^rd place

conifers.org

Picea engelmannii subsp. mexicana (Martínez) P. Schmidt 1988, su The Gymnosperm Database. URL consultato il 3 maggio 2020.

google.it

books.google.it

(EN) Aljos Farjon, A Handbook of the World's Conifers (2 vols.), Brill, 2010, pp. 567-569. URL consultato il 3 maggio 2020.

iucnredlist.org

apiv3.iucnredlist.org

(EN) Thomas, P. & Farjon, A. 2013., Picea engelmannii mexicana, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020.

kew.org

powo.science.kew.org

(EN) Picea engelmannii subsp. mexicana (Martínez) P.A.Schmidt, in Plants of the World Online, Board of Trustees of the Royal Botanic Gardens, Kew. URL consultato il 03/5/2020.

treccani.it

Picea engelmannii mexicana, in Treccani.it – Vocabolario Treccani on line, Roma, Istituto dell'Enciclopedia Italiana. URL consultato il 3 maggio 2020.