Template:Doweld, 2013h
- Doweld, A.B. 2013. (2246–2247) Proposals to conserve the names Todites against Acrostichites and Germaria, and Pecopteris williamsonis (Todites williamsonis) against P. curtata, P. hastata, and P. recentior (fossil Pteridophyta: Osmundopsida). Taxon 62(6): 1345–1346. DOI: 10.12705/626.33