討論:Vinca difformis
山羊百科，林文智老師的植物、山岳、攝影紀錄
- Vinca difformis Pourr. is an accepted name；http://www.plantlist.org/tpl1.1/record/kew-213148
- Vinca difformis Pourr.；Mém. Acad. Sci. Toulouse 3: 333 1788.
- Vinca difformis Pourr.；Rehder, Bibl. Cult. Trees and Shrubs 580 1949；https://www.biodiversitylibrary.org/page/39585104#page/355/mode/1up
- Vinca difformis Pourr.；Rouy, Fl. France 10: 226 1893；https://www.biodiversitylibrary.org/page/22500611#page/1148/mode/1up
- Vinca difformis Pourr.；Bot. Mag. 139: 8506 1913；https://www.biodiversitylibrary.org/page/472320#page/113/mode/1up
