Mayer, V.; Ehrendorfer, F. (2000). Fruit differentiation, palynology, and systematics in Pterocephalus Adanson and Pterocephalodes, gen. nov. (Dipsacaceae.). Bot. J. Linn. Soc., 132 (1), 47-78
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Mayer, V.; Ehrendorfer, F.
2000
Fruit differentiation, palynology, and systematics in Pterocephalus Adanson and Pterocephalodes, gen. nov. (Dipsacaceae.).