It is time for the fall reminder on leaf toxicity. Although the dangers of poisoning from one species, the red maple, Acer rubrum, are well known, research suggests that other trees of the species, including the sugar and silver maples and their hybrids, may also pose a threat.
Source: EQUUS, July 25, 2019. Link.
Also see: Search Results for: Leaves, toxic. AHD. Link.