Question: What is the common name for the hostplant of Phyllocnistis Iiriodendronella that is a tree of the family Magnoliaceae?
Related documents: [0]  [DOC] Phyllocnistis liriodendronella is a moth of the Gracillariidae family, known from the United States (New York, New Jersey, Maryland, Pennsylvania, Kentucky). The hostplants for the species include "Liriodendron tulipifera", "Magnolia glauca", "Magnolia grandiflora", and "Magnolia virginiana". They mine the leaves of their host plant. The mine has the form of a long, winding, linear mine on either surface of the leaf, especially the small terminal leaves. [END] 
[1]  [DOC] Magnolia grandiflora, commonly known as the southern magnolia or bull bay, is a tree of the family Magnoliaceae native to the southeastern United States, from coastal North Carolina to central Florida, and west to East Texas and Oklahoma. Reaching 27.5 m in height, it is a large, striking evergreen tree, with large dark green leaves up to 20 cm long and 12 cm wide, and large, white, fragrant flowers up to 30 cm in diameter. Although endemic to the lowland subtropical forests on the Gulf and south Atlantic coastal plain, magnolia grandiflora is widely cultivated in warmer areas around the world. The timber is hard and heavy, and has been used commercially to make furniture, pallets, and veneer. [END] 
Answer: 
southern magnolia or bull bay
southern magnolia or bull bay