[TABLECONTEXT] : [title] : Pinus ponderosa | Needle thickness : central_high_plains_(readiana) : 49.7±0.61, N=5 | [TABLECONTEXT] : measurements : Needle thickness | Needle thickness : columbia_(ponderosa) : 47.8±0.51, N=48
The Columbia(ponderosa) subspecies of Pinus Ponderosa has needle thickness 47.8±0.51, N=48 whereas the Central High Plains(readiana) measured 49.7±0.61, N=5.