Which of the following are deciduous trees?
 
 Abies concolor
 Acer rubrum
 Acer saccharinum
 Cornus florida
 Gleditsia triacanthos
 Picea glauca
 picea pungens
 Picea abies
 Pinus strobus
 Quercus rubra
Of the species listed, Acer rubrum, Acer saccharinum, Gleditsia triacanthos, Quercus rubra, and Cornus florida are deciduous trees.