Vitreorana helenae (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Vitreorana helenae" in English language version.

refsWebsite

Global rank English rank

2^nd place

88^th place

160^th place

1,578^th place

1,521^st place

amnh.org

Frost, Darrel R. (2019). "Vitreorana helenae (Ayarzagüena, 1992)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 1 November 2019.

IUCN SSC Amphibian Specialist Group (2020). "Vitreorana helenae". IUCN Red List of Threatened Species. 2020: e.T55017A109531839. doi:10.2305/IUCN.UK.2020-3.RLTS.T55017A109531839.en. Retrieved 15 November 2021.
Cole, C.J.; C.R. Townsend; R.P. Reynolds; R.D. MacCulloch & A. Lathrop (2013). "Amphibians and reptiles of Guyana, South America: Illustrated keys, annotated species accounts, and a biogeographic synopsis". Proceedings of the Biological Society of Washington. 125 (4): 317–620. doi:10.2988/0006-324x-125.4.317.

IUCN SSC Amphibian Specialist Group (2020). "Vitreorana helenae". IUCN Red List of Threatened Species. 2020: e.T55017A109531839. doi:10.2305/IUCN.UK.2020-3.RLTS.T55017A109531839.en. Retrieved 15 November 2021.