Verbatim text: Smit, P. G. and W. Punt. 1969. Taxonomy and pollen morphology of the Caltha leptosepala complex. Proc. Kon. Ned. Akad. Wetensch. C. 72: 16-27.
Author: Smit, P.G., Punt, W.
Year: 1969
Title: Taxonomy and pollen morphology of the Caltha leptosepala complex
Journal: Proc. Kon. Ned. Akad. Wetensch. C
Volume: 72
Pages: 16–27