Their differences in plant habit may have had as much to do with ecological difference as anything, with the highly specialized lepidodendrid trees living in the Pennsylvanian coal swamp, and other forms often occurring in more marginal environments.
(Their differences in plant habit; may have had; as much to do with ecological difference as anything, with the highly specialized lepidodendrid trees living in the Pennsylvanian coal swamp, and other forms) (as much; to do; ) (the highly specialized lepidodendrid trees; living; L:in the Pennsylvanian coal swamp) (other forms; occurring; L:in more marginal environments; T:often)
Their differences in plant habit as much the highly specialized lepidodendrid trees other forms
may have had to do living occurring
as much to do with ecological difference as anything, with the highly specialized lepidodendrid trees living in the Pennsylvanian coal swamp, and other forms
L:in the Pennsylvanian coal swamp
L:in more marginal environments T:often