Cryptanthus acaulis (Lindl.) Beer - Accepted: Cryptanthus acaulis (Lindl.) Beer bei Zander 2008; Familie: Bromeliaceae (Zander 2008)
Cryptanthus acaulis var. ruber Beer - Accepted: Cryptanthus acaulis (Lindl.) Beer bei Zander 2008; Familie: Bromeliaceae (Zander 2008)
Cryptanthus acaulis (Lindl.) Beer - Accepted: Cryptanthus acaulis (Lindl.) Beer bei The Plant List (2014), version 1.1; Familie: Bromeliaceae (APG III)
Cryptanthus acaulis (Lindl.) Beer - Accepted: Cryptanthus acaulis (Lindl.) Beer bei Zander 2008; Familie: Bromeliaceae (APG IV)

Haider, M. et al. (2005): Wildbienenkataster. See: https://www.wildbienen-kataster.de;

The International Plant Names Index (2009). Published on the Internet http://www.ipni.org; Courtesy to IPNI, 2009. Exported from IPNI at date: 2009-09-22 20:17:51;

Westrich, P. et al. (2018): Die Wildbienen Deutschlands.. Ulmer Verlag ISBN 978-8186-0123-2.;