What's the plural form of lodgepole pine? Here's the word you're looking for.
Answer
The noun lodgepole pine can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be lodgepole pine.
However, in more specific contexts, the plural form can also be lodgepole pines e.g. in reference to various types of lodgepole pines
or a collection of lodgepole pines.