Years needles remain green : rocky_mountains_(scopulorum) : 5.7±0.28, N=23 | Years needles remain green : southwestern_(brachyptera) : 4.3±0.18, N=24 | [TABLECONTEXT] : [title] : Pinus ponderosa | [TABLECONTEXT] : measurements : Years needles remain green
The Years needles remain green for the Rocky Mountains(scopulorum) subspecies of Pinus Ponderosa is 5.7±0.28, N=23, and that for the Southwestern(brachyptera) is 4.3±0.18, N=24.