Template:Herrero et al., 2001
- Herrero, A., Pajarón, S. & Prada, C. 2001. Isozyme variation and genetic relationships among taxa in the Asplenium obovatum group (Aspleniaceae, Pteridophyta). American Journal of Botany 88(11): 2040–2050. DOI: 10.2307/3558430
