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IN THEIR RESEARCH ARTICLE “Global diversity and geography of soil fungi” Tedersoo et al. (28 November, 2014) present a compelling study regarding patterns of biodiversity of fungi, at a scale unprecedented to date for fungal biogeographical studies. The study demonstrates strong global biogeographic patterns in richness and community composition of soil fungi, what concerns us with the study is what we don’t see. Unfortunately this study underestimates fungal diversity of at least one key group of soil fungi due to reliance on a single “traditional” primer with known flaws, and as a consequence the overall relative abundance of fungal groups may also be skewed.