Fungi, specifically those that are “mycorrhizal,” are natural allies of the forest because they improve tree nutrient acquisition. But which of the mycorrhizal feeding strategies yields the greatest tree diversity in a forest: strategy A (ectomycorrhiza) or strategy B (arbuscular mycorrhiza)? Biologists from Université de Montréal and the Plant Biology Research Institute asked the question and found the answer is neither one nor the other, but rather a combination of the two--proving that there is strength in numbers--or rather, in diversity.
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