Opuntia atrispina (English Wikipedia)

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

refsWebsite

Global rank English rank

low place

low place

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

doi.org

Terry, M.; Heil, K. (2017) [amended version of 2013 assessment]. "Opuntia atrispina". IUCN Red List of Threatened Species. 2017: e.T152871A121614199. doi:10.2305/IUCN.UK.2017-3.RLTS.T152871A121614199.en. Retrieved 29 August 2021.

iucnredlist.org

Terry, M.; Heil, K. (2017) [amended version of 2013 assessment]. "Opuntia atrispina". IUCN Red List of Threatened Species. 2017: e.T152871A121614199. doi:10.2305/IUCN.UK.2017-3.RLTS.T152871A121614199.en. Retrieved 29 August 2021.

opuntiads.com

"Opuntia atrispina, Texas prickly pear cactus". Opuntia Web. 2011-12-24. Retrieved 2021-03-10.
"Annual Report Missouri Botanical Garden 21: 172, 1910" (PDF). Opuntia Web.