Template:O'Dwyer & Afonso-Carrillo, 2001
- O'Dwyer, J.A. & Afonso-Carrillo, J. 2001. Vegetative and reproductive morphology of Helminthocladia calvadosii, H. agardhiana and H. reyesii sp. nov. (Liagoraceae, Rhodophyta) from the eastern Atlantic. Phycologia 40: 53–66.