OuelletteG. B., RiouxD., SimardM., ChamberlandH., CherifM., & BaayenR. P. (2004). Ultrastructure of the alveolar network and its relation to coating on vessel walls in elms infected by Ophiostoma novo-ulmi and in other plants affected with similar wilt diseases. Forest Systems, 13(1), 147-160. https://doi.org/10.5424/820