Weber, A. & L.E. Skog. Diastema. The genera of Gesneriaceae. Basic information with illustration of selected species. Ed. 2. 2007 onw. [2015-04-07]. (原始内容存档于2015-09-24).请检查|date=中的日期值 (帮助)
theplantlist.org
Diastema. The Plant List Version 1.1. [2014-03-18].
Weber, A. & L.E. Skog. Diastema. The genera of Gesneriaceae. Basic information with illustration of selected species. Ed. 2. 2007 onw. [2015-04-07]. (原始内容存档于2015-09-24).请检查|date=中的日期值 (帮助)