Optimum row (1=S tip of US, 277=N tip of US, click on help above for map) and potential movement, in km of the latitudinal optimum for sassafras

FIA-Optimum	135
PRD-Optimum	143
GISS-Optimum	153
GISS-Movement	100N
GFDL-Optimum	152
GFDL-Movement	90N
HAD-Optimum	156
HAD-Movement	130N
UKMO-Optimum	148
UKMO-Movement	50N
CCC-Optimum	152
CCC-Movement	90N