Pinus rigida, commonly known as the pitch pine, is a tree species that belongs to the pine family. It is native to North America and can grow up to 80 feet tall. Some synonyms for Pinus rigida include pitch pine, hard pine, and northern pitch pine.
Pitch pine is the most common synonym for Pinus rigida and is derived from the resinous pitch that the tree produces. The term hard pine is also used to describe this species due to its wood being tough and durable. The name northern pitch pine is used to differentiate it from the southern yellow pine species found in the United States. In addition, some people refer to it simply as "pine," although this can be confusing since there are many types of pine trees.