Aloe silicicola H. Perrier



Taxonomy & Nomenclature



Conservation Status

Extinct in the wild

Last wild record: 1920

IUCN RedList status: Extinct in the Wild



Laniharina-Tsitondroina range, Madagascar


Biology & Ecology










Castillon, J.-B. and Castillon, J.-P. 2010. Les Aloe de Madagascar/The Aloes of Madagascar. J.-P. Castillon, La Réunion.

Dalrymple, S. E., Abeli, T., Ewen, J. G., Gilbert, T. C., Hogg, C. J., Lloyd, N. A., Moehrenschlager, A., Rodríguez, J. P. and Smith, D. (2023). Addressing Threats and Ecosystem Intactness to Enable Action for Extinct in the Wild Species. Diversity 15: 268.

Rakotoarisoa, S. E. (2020). Aloe silicicola (errata version published in 2021). The IUCN Red List of Threatened Species 2020: e.T110097724A197312879. Accessed on 11 June 2022.

Rakotoarisoa, Solofo E., Klopper, Ronell R. and Smith, Gideon F. (2014). A preliminary assessment of the conservation status of the genus Aloe L. in Madagascar. Bradleya 32: 81-91.

Smith, Donal et al. (2023). Extinct in the wild: The precarious state of Earth’s most threatened group of species. Science 379(6634): eadd2889.


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