Zizka, Georg; Schneider, Julio V.; Schulte, Katharina; Novoa, Patricio (2013-07-09). "Taxonomic revision of the Chilean Puya species (Puyoideae, Bromeliaceae), with special notes on the Puya alpestris-Puya berteroniana species complex". Brittonia. 65 (4). Springer Science and Business Media LLC: 387–407. doi:10.1007/s12228-012-9290-9. ISSN0007-196X. S2CID207403894.
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Zizka, Georg; Schneider, Julio V.; Schulte, Katharina; Novoa, Patricio (2013-07-09). "Taxonomic revision of the Chilean Puya species (Puyoideae, Bromeliaceae), with special notes on the Puya alpestris-Puya berteroniana species complex". Brittonia. 65 (4). Springer Science and Business Media LLC: 387–407. doi:10.1007/s12228-012-9290-9. ISSN0007-196X. S2CID207403894.
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Rauh, Werner (1990). Bromelien : Tillandsien und andere kulturwürdige Bromelien (in German). Stuttgart: E. Ulmer. ISBN3-8001-6371-3. OCLC24143489.
Zizka, Georg; Schneider, Julio V.; Schulte, Katharina; Novoa, Patricio (2013-07-09). "Taxonomic revision of the Chilean Puya species (Puyoideae, Bromeliaceae), with special notes on the Puya alpestris-Puya berteroniana species complex". Brittonia. 65 (4). Springer Science and Business Media LLC: 387–407. doi:10.1007/s12228-012-9290-9. ISSN0007-196X. S2CID207403894.