Reference
Wolfgang Wetschnig, Andreas Brudermann, Walter Knirsch, Michael Pinter, Martin Pfosser (2012): Massonia pustulata Jacq. 1791 and M. longipes
Baker 1897 (Hyacinthaceae), two frequently misunderstood
species - or: how M. pustulata became
depressed. – Stapfia – 0097: 210 - 221.