Template:Munzinger & Ballard, 2003
- Munzinger, J.K. & Ballard, H.E. 2003. Hekkingia (Violaceae), a new arborescent violet genus from French Guiana, with a key to genera in the family. Systematic Botany 28(2): 345-351. DOI: 10.1043/0363-6445-28.2.345
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