Drymonia psilocalyx Drymonia psilocalyx Leeuwenb. in Phytologia 48: 437. 1981 sec. C. Feuillet & M.J. Jansen-Jacobs 2008≡Drymonia psila Leeuwenb. in Misc. Pap. Landbouwhogeschool 19: fig. 1. 1980
