for example is variously considered to be a variety or subspecies of Cedrus libani, or a species C. brevifolia in its own right; some evidence from allozymes suggests it may even be embedded within the range of variation in the Turkish cedar. Divergence ages are marked on the cladogram.

The species cannot hybridise in nature due to their geographical separation, but when brought together in cultivation, they do so freely. However, because cedars (particularly