Crataegus coccinea is a common plant species that belongs to the Rosaceae family. It is often referred to as the Scarlet Hawthorn or Red Haw. It is a small deciduous tree that is native to North America. The plant has green leaves, bright red berries, and thorny branches. The Scarlet Hawthorn has many synonyms that are used to refer to the same plant. Some of the common synonyms are Hawthorn, May-tree, Whitethorn, and Thimbleberry. Other synonyms include White Hawthorn, Red-berried Thorn, and Red Haw. The scientific synonyms for the plant include Crataegus Crus-galli, Crataegus spathulata, and Crataegus viridis.