Template:Doweld, 2013с
- Doweld, A.B. 2013. (2183–2184) Proposals to conserve the names Equisetites against Oncylogonatum with a conserved type and Equisetum columnare (Equisetites columnaris) against Oncylogonatum carbonarium with a conserved type (fossil Equisetopsida). Taxon 62(4): 837–839. DOI: 10.12705/624.19