Map showing an overview of sampling sites. From: Figure 1 in "Global richness of arbuscular mycorrhizal fungi" by Lutz et al. Fungal Ecology 74, 2025.
The symbiosis between plant roots and mycorrhizal fungi is one of the oldest and most widespread mutualistic associations on Earth. A recent paper in #FungalEcology gives updated estimates of AM fungi richness from 4,733 sampling sites across the globe: doi.org/10.1016/j.fu...