Treason is also covered under sedition, meaning over throw of the US government. No foreign enemy is required. Go read the law again pede. Bare minimum sedition and treason are basically the same thing in the end. They basically are punished the same in the end as well. Organized destruction of the American nation state is organized destruction of the American nation state.

A rose by any other name would still smell as sweet. The definition of treason only requires one to "levy war against the United States". this clause is separate from aid and comfort for the enemy.

Whoever, owing allegiance to the United States, levies war against them or adheres to their enemies, giving them aid and comfort within the United States or elsewhere, is guilty of treason and shall suffer death, or shall be imprisoned not less than five years and fined under this title but not less than $10,000; and shall be incapable of holding any office under the United States.

(Sedition is) the Federal crime of advocacy of insurrection against the government or support for an enemy of the nation during time of war, by speeches, publications and organization. Sedition usually involves actually conspiring to disrupt the legal operation of the government and beyond expression of an opinion or protesting government policy. Sedition is a lesser crime than "treason," which requires actual betrayal of the government or "espionage."