Native plant
The sanctuary also protects part of the puna ecosystem, comprising grasslands and wetlands. Native plant species found at the site include: "Festuca dolychophylla", "Jarava ichu", "Calamagrostris vicunarum", "Carex" "ecuadorica", "Alchemilla pinnata", "Trichophorum rigidum", "Astragalus garbancillo", "Distichia muscoides, Plantago rigida", "Werneria nubigena", "Hypochaeris taraxacoides", "Erythranthe glabrata", "Gentiana sedifolia", "Luzula peruviana", "Acaulimalva crenata", "Hordeum muticum", "Aciachne pulvinata", "Azorella diapensioides", "Solanum acaule", etc.