[TABLECONTEXT] : measurements : Needle length, cm | Needle length, cm : columbia_(ponderosa) : 16.8±0.29, N=48 | [TABLECONTEXT] : [title] : Pinus ponderosa | Needle length, cm : pacific_(critchfieldiana) : 19.8±0.44, N=30
The Needle length for Pinus Ponderosa in centimeters is 19.8±0.44, N=30 for the Pacific (critchfieldiana) subspecies and 16.8±0.29, N=48 for Columbia(ponderosa).