Template:Ronse et al., 2010
- Ronse, A.C., Popper, Z.A., Preston, J.C. & Watson, M.F. 2010. Taxonomic revision of European Apium L. s.l.: Helosciadium W.D.J.Koch restored. Plant Systematics and Evolution 287(1–2): 1–17. DOI: 10.1007/s00606-010-0284-3
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