Yu, Q.; Ye, W.; Powers, T. (2017). Morphological and Molecular Characterization of Gracilacus wuae n. sp. (Nematoda: Criconematoidea) Associated with Cow Parsnip (Heracleum maximum) in Ontario, Canada. Journal of Nematology. 48(3): 203-213.
Morphological and Molecular Characterization of <i>Gracilacus wuae</i> n. sp. (Nematoda: Criconematoidea) Associated with Cow Parsnip (<i>Heracleum maximum</i>) in Ontario, Canada