Research results show that Knobcone pine populations are extremely dynamic, with losses, gains, extirpation and colonization occurring among different populations across its range.
Reilly, M. J., V. J. Monleon, E. S. Jules, and R. J. Butz. 2019. Range-wide population structure and dynamics of a serotinous conifer, knobcone pine (Pinus attenuata L.), under an anthropogenically-altered disturbance regime. Forest Ecology and Management 441:182-191. https://doi.org/10.1016/j.foreco.2019.03.017