Tag Archives: Isla Isabela

Euphorbia equisetiformis Stewart

Equisetiform Spurge (Euphorbia equisetiformis)

This enigmatic species is known only from the type material that was collected on Isla Isabella, Galápagos Islands, it appears not to be related to any other Central- or South American species of its genus.

The species is a leafless, middle-sized shrub with several stems that bear clusters of branches on their upper nodes. [1]

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References:

[1] I. Loren Wiggins; D. M. Porter; E. F. Anderson: Flora of the Galápagos Islands. Stanford University Press 1971

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edited: 11.06.2020

Nesoryzomys sp. ‘1 Isla Isabela’

Isabela Rice Rat (Nesoryzomys sp.)

This is one of two species of rice rats that formerly were endemic to the Isla Isabela in the Galápagos Islands, it disappeared sometimes during the middle of the 19th to the early 20th century.

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edited: 11.06.2020

Megaoryzomys sp. ‘Isla Isabela’

Isabela Giant Rice Rat (Megaoryzomys sp.)  

This is an up to date undescribed and thus unnamed species that is known exclusively from subfossil remains that had been found on Isla Isabele, Galápagos Islands. [1]

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The Isabela sp. is apparently sometimes considered conspecific with the Galapagos Giant Rice Rat (Megaoryzomys curioi (Niethammer)) from the Isla Santa Cruz, another extinct rice rat species known only from subfossil remains.

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References:  

[1] Gustavo Jiménez-Uzcátegui; Bryan Milstead; Cruz Márquez; Javier Zabala; Paola Buitrón; Alizon Llerena; Sandie Salazar; Birgit Fessl: Galapagos vertebrates: endangered status and conservation actions. Galapagos Report 2006-2007

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edited: 11.06.2020