SCHNEIDER, A. A., and I. I. BOLDRINI. “<em>Hysterionica matzenbacherii</Em>, a New Species of Astereae (Asteraceae) from Brazil”.
Phytotaxa
, vol. 49, no. 1, Mar. 2012, pp. 50–54, doi:10.11646/phytotaxa.49.1.8.