Tillandsia guelzii is a species in the genus Tillandsia. It is endemic to Jujuy Province of northern Argentina.Kew World Checklist of Selected Plant FamiliesTropicos, Missouri Botanical Garden, Tillandsia guelzii Rauh Zuloaga, F. O., O. N. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi. (eds.) 2008. Catálogo de las plantas vasculares del Cono Sur. Monographs in systematic botany from the Missouri Botanical Garden 107(1–3): i–xcvi, 1–3348International Plant Names Index, Tillandsia guelzii Rauh
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