What is the common name associated with the tree species known as Crataegus x lavallei?

The correct common name associated with Crataegus x lavallei is Lavalle Hawthorne. This tree species, which is a hybrid derived from other hawthorn species, is recognized for its attractive flowers, small fruit, and thorny branches. It typically exhibits white blooms in the spring followed by red berries in the fall, making it a desirable ornamental tree in landscapes.

The other options relate to different tree species. For instance, the Pacific Dogwood is known as Cornus nuttallii, the Tulip Tree refers to Liriodendron tulipifera, and the Saucer Magnolia is called Magnolia x soulangeana. Each of these trees has distinct botanical characteristics, growing habits, and environmental adaptations that separate them from the Lavalle Hawthorne. Understanding these differences is crucial for proper identification and care in horticulture.