Crespo, M. B., and C. Pena-Martín. “Typification of <em>Pascalia glauca</Em> (Heliantheae, Asteraceae), With Historical Notes on That Name”.
Phytotaxa
, vol. 186, no. 4, Dec. 2014, pp. 215–221, doi:10.11646/phytotaxa.186.4.5.