Opuntia galapageia (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Opuntia galapageia" in English language version.

refsWebsite

Global rank English rank

11kew.org

394^th place

442^nd place

2ipni.org

3,075^th place

3,035^th place

1iucnredlist.org

88^th place

160^th place

1doi.org

2^nd place

1darwin-online.org.uk

2,821^st place

2,253^rd place

darwin-online.org.uk

Keynes, Richard (2000), Charles Darwin's zoology notes & specimen lists from H.M.S. Beagle., Cambridge University Press, pp. 360–367, retrieved 2009-01-27

doi.org

Tye, A.; Kling, M. (2017). "Opuntia galapageia". IUCN Red List of Threatened Species. 2017: e.T21053131A121621159. doi:10.2305/IUCN.UK.2017-3.RLTS.T21053131A121621159.en. Retrieved 14 November 2021.

ipni.org

"Opuntia helleri K.Schum.". The International Plant Names Index. Retrieved 2021-06-04.
"Opuntia galapageia; Hensl&period". The International Plant Names Index. Retrieved 2021-06-04.

iucnredlist.org

Tye, A.; Kling, M. (2017). "Opuntia galapageia". IUCN Red List of Threatened Species. 2017: e.T21053131A121621159. doi:10.2305/IUCN.UK.2017-3.RLTS.T21053131A121621159.en. Retrieved 14 November 2021.

kew.org

powo.science.kew.org

"Opuntia galapageia var. myriacantha (F.A.C.Weber) Backeb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-04.
"Opuntia galapageia var. insularis (A.Stewart) Backeb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-04.
"Opuntia galapageia var. saxicola (J.T.Howell) Backeb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-04.
"Opuntia galapageia Hensl.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-03.
"Opuntia galapageia subvar. barringtonensis (E.Y.Dawson) Backeb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-03.
"Opuntia galapageia var. gigantea (J.T.Howell) Backeb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-03.
"Opuntia galapageia var. helleri (K.Schum. ex B.L.Rob.) Backeb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-04.
"Opuntia galapageia subvar. inermis (E.Y.Dawson) Backeb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-03.
"Opuntia galapageia var. macrocarpa E.Y.Dawson". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-03.
"Opuntia galapageia var. profusa E.F.Anderson & Walk.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-04.
"Opuntia galapageia var. zacana (J.T.Howell) Backeb.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-06-04.