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Final germination percentages of Euphorbia dendroides, E. melapetala, E. myrsinites, and E. rigida at two storage periods (<150 and >150 days), two light conditions (photoperiod of 12/12 hr, with the highest temperature during daytime; darkness), at constant and fluctuating temperature (LEGEND: open symbols represent the alternating light/darkness regime while closed symbols represent the continuous darkness regime). Vertical bars represent standard errors
