Misallocation of mycorrhizal traits leads to misleading results

Based on a long-term field experiment involving 35 tree species, Sun et al. (1) suggest that mycorrhizal types of plants differ in decomposition rates of leaf litter, but not root litter. Although the authors refer to several publications regarding mycorrhizal status of plants and claim to have performed their own observations, we contest that they have misallocated the mycorrhizal type in many of the woody plants, a fundamental mistake that may...