https://medcraveonline.com/IJMBOA/morphologic-and-molecular-identification-of-xiphinema-americanum-associated-with-pine-trees.html
Xiphinemaspp. member Xiphinemaamericanum, isolated from soils around roots of pine tree (Pinus spp.) were identified by morphological and molecular methods....
xiphinema americanummorphologicmolecularidentificationassociated