Lodgepole pine and Pine tree

Lodgepole pine noun - Shrubby two-needled pine of coastal northwestern United States; red to yellow-brown bark fissured into small squares.

Pine tree and lodgepole pine are semantically related. In some cases you can use "Pine tree" instead a noun phrase "Lodgepole pine".

Pine tree noun - A coniferous tree.

Lodgepole pine and pine tree are semantically related. Sometimes you can replace phrase "Lodgepole pine" with "Pine tree", this phrases are similar.